author | Pat Downey <patrick.downey@nokia.com> |
Thu, 25 Jun 2009 15:59:54 +0100 | |
changeset 1 | 0a7b44b10206 |
child 2 | 806186ab5e14 |
permissions | -rw-r--r-- |
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// Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Symbian Foundation License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// e32\euser\us_regn.cpp |
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// Optimisation note, it may well be worth machine coding the SubRect() function |
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// this is at the heart of nearly all complex region calculations. |
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// |
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// |
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#include "us_std.h" |
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NONSHARABLE_CLASS(TRectKey) : public TKey |
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{ |
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public: |
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TRectKey(const TRect *aRectList,const TPoint &aOffset); |
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virtual TInt Compare(TInt aLeft,TInt aRight) const; |
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private: |
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const TRect *iRectList; |
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TBool iDown; |
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TBool iRight; |
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}; |
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NONSHARABLE_CLASS(TRectSwap) : public TSwap |
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{ |
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public: |
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inline TRectSwap(TRect *aRectList); |
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virtual void Swap(TInt aLeft,TInt aRight) const; |
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private: |
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TRect *iRectList; |
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}; |
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inline TRectSwap::TRectSwap(TRect *aRectList) |
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{iRectList=aRectList;} |
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enum {ERegionBufSize=8}; |
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EXPORT_C TRegion::TRegion(TInt aAllocedRects) |
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// |
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// Constructor. |
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// |
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: iCount(0),iError(EFalse),iAllocedRects(aAllocedRects) |
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{} |
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EXPORT_C TBool TRegion::IsEmpty() const |
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/** |
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Tests whether the region is empty. |
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@return True, if the region is empty and its error flag is unset; |
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false, otherwise. |
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*/ |
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{ |
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return(iCount==0 && !iError); |
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} |
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#ifndef __REGIONS_MACHINE_CODED__ |
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EXPORT_C TRect TRegion::BoundingRect() const |
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/** |
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Gets the minimal rectangle that bounds the entire region. |
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@return The region's minimal bounding rectangle. |
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*/ |
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{ |
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TRect bounds; |
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const TRect *pRect; |
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const TRect *pEnd; |
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if (iCount>0) |
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{ |
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pRect=RectangleList(); |
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bounds=(*pRect++); |
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for (pEnd=pRect+(iCount-1);pRect<pEnd;pRect++) |
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{ |
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if (pRect->iTl.iX<bounds.iTl.iX) |
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bounds.iTl.iX=pRect->iTl.iX; |
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if (pRect->iTl.iY<bounds.iTl.iY) |
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bounds.iTl.iY=pRect->iTl.iY; |
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if (pRect->iBr.iX>bounds.iBr.iX) |
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bounds.iBr.iX=pRect->iBr.iX; |
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if (pRect->iBr.iY>bounds.iBr.iY) |
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bounds.iBr.iY=pRect->iBr.iY; |
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} |
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} |
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return(bounds); |
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} |
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#endif |
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EXPORT_C const TRect &TRegion::operator[](TInt aIndex) const |
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/** |
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Gets a rectangle from the region. |
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@param aIndex The index of a rectangle within the region's array of rectangles. |
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Indexes are relative to zero. |
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@return The specified rectangle. |
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117 |
@panic USER 81, if aIndex is greater than or equal to the number |
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118 |
of rectangles in the region. |
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119 |
*/ |
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120 |
{ |
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121 |
|
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122 |
__ASSERT_ALWAYS((TUint)aIndex<(TUint)iCount,Panic(ETRegionOutOfRange)); |
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123 |
return(*(RectangleList()+aIndex)); |
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124 |
} |
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125 |
|
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126 |
|
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127 |
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128 |
|
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129 |
#ifndef __REGIONS_MACHINE_CODED__ |
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EXPORT_C TBool TRegion::IsContainedBy(const TRect &aRect) const |
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131 |
/** |
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Tests whether the region is fully enclosed within the specified rectangle. |
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133 |
|
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@param aRect The specified rectangle. |
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135 |
|
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136 |
@return True, if the region is fully enclosed within the rectangle (their sides |
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137 |
may touch); false, otherwise. |
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138 |
*/ |
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139 |
{ |
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140 |
|
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141 |
const TRect *pRect1; |
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142 |
const TRect *pEnd1; |
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143 |
for (pRect1=RectangleList(),pEnd1=pRect1+iCount;pRect1<pEnd1;pRect1++) |
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144 |
{ |
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145 |
if (pRect1->iTl.iX<aRect.iTl.iX || pRect1->iBr.iX>aRect.iBr.iX || pRect1->iTl.iY<aRect.iTl.iY || pRect1->iBr.iY>aRect.iBr.iY) |
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146 |
return(EFalse); |
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147 |
} |
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148 |
return(ETrue); |
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149 |
} |
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150 |
|
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151 |
|
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152 |
|
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153 |
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154 |
EXPORT_C TBool TRegion::Intersects(const TRect &aRect) const |
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155 |
/** |
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156 |
Tests whether where there is any intersection between this region and the specified rectangle. |
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157 |
|
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158 |
@param aRect The specified rectangle. |
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159 |
|
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160 |
@return True, if there is an intersection; false, otherwise. |
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161 |
*/ |
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162 |
{ |
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163 |
|
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164 |
const TRect *pRect1; |
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165 |
const TRect *pEnd1; |
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166 |
for (pRect1=RectangleList(),pEnd1=pRect1+iCount;pRect1<pEnd1;pRect1++) |
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167 |
{ |
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168 |
if (aRect.Intersects(*pRect1)) |
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169 |
return ETrue; |
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170 |
} |
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171 |
return EFalse; |
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172 |
} |
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173 |
|
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174 |
|
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175 |
|
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176 |
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177 |
EXPORT_C void TRegion::Copy(const TRegion &aRegion) |
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178 |
/** |
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179 |
Copies another region to this region. |
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180 |
|
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181 |
The state of the specified region's error flag is also copied. |
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182 |
|
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183 |
@param aRegion The region to be copied. |
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184 |
*/ |
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185 |
{ |
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186 |
|
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187 |
if (aRegion.iError) |
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188 |
ForceError(); |
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189 |
else |
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190 |
{ |
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191 |
if (iError) |
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192 |
Clear(); |
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193 |
if (SetListSize(aRegion.iCount)) |
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194 |
{ |
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195 |
iCount=aRegion.iCount; |
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196 |
Mem::Copy(RectangleListW(), aRegion.RectangleList(), sizeof(TRect)*aRegion.iCount); |
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197 |
} |
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198 |
} |
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199 |
} |
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200 |
|
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201 |
|
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202 |
|
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203 |
|
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204 |
EXPORT_C void TRegion::Offset(const TPoint &aOffset) |
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205 |
/** |
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206 |
Moves the region by adding a TPoint offset to the co-ordinates of its corners. |
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207 |
|
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208 |
The size of the region is not changed. |
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209 |
|
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210 |
@param aOffset The offset by which the region is moved. The region is moved |
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211 |
horizontally by aOffset.iX pixels and vertically by aOffset.iY pixels. |
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212 |
*/ |
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213 |
{ |
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214 |
|
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215 |
TRect *pR=RectangleListW(); |
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216 |
const TRect *pE=pR+iCount; |
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217 |
while (pR<pE) |
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218 |
{ |
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219 |
pR->Move(aOffset); |
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220 |
pR++; |
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221 |
} |
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222 |
} |
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223 |
|
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224 |
|
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225 |
|
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226 |
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227 |
EXPORT_C void TRegion::Offset(TInt aXoffset,TInt aYoffset) |
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228 |
/** |
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229 |
Moves the region by adding X and Y offsets to the co-ordinates of its corners. |
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230 |
|
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231 |
The size of the region is not changed. |
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232 |
|
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233 |
@param aXoffset The number of pixels by which to move the region horizontally. |
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234 |
If negative, the region moves leftwards. |
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235 |
@param aYoffset The number of pixels by which to move the region vertically. |
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236 |
If negative, the region moves upwards. |
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237 |
*/ |
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238 |
{ |
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239 |
|
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240 |
Offset(TPoint(aXoffset,aYoffset)); |
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241 |
} |
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242 |
|
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243 |
|
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244 |
|
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245 |
|
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246 |
EXPORT_C TBool TRegion::Contains(const TPoint &aPoint) const |
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247 |
/** |
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248 |
Tests whether a point is located within the region. |
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249 |
|
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250 |
If the point is located on the top or left hand side of any rectangle in the |
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251 |
region, it is considered to be within that rectangle and within the region. |
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252 |
|
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253 |
If the point is located on the right hand side or bottom of a rectangle, it |
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254 |
is considered to be outside that rectangle, and may be outside the region. |
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255 |
|
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256 |
@param aPoint The specified point. |
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257 |
|
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258 |
@return True, if the point is within the region; false, otherwise. |
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259 |
*/ |
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260 |
{ |
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261 |
const TRect *pR=RectangleList(); |
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262 |
const TRect *pE=pR+iCount; |
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263 |
while (pR<pE) |
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264 |
{ |
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265 |
if (pR->Contains(aPoint)) |
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266 |
return(ETrue); |
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267 |
pR++; |
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268 |
} |
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269 |
return(EFalse); |
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270 |
} |
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271 |
|
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272 |
|
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273 |
|
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274 |
|
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275 |
EXPORT_C void TRegion::SubRect(const TRect &aRect,TRegion *aSubtractedRegion) |
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276 |
/** |
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277 |
Removes a rectangle from this region. |
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278 |
|
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279 |
If there is no intersection between the rectangle and this region, then this |
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280 |
region is unaffected. |
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281 |
|
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282 |
@param aRect The rectangular area to be removed from this region. |
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283 |
@param aSubtractedRegion A pointer to a region. If this is supplied, the |
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284 |
removed rectangle is added to it. By default this |
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285 |
pointer is NULL. |
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286 |
*/ |
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287 |
{ |
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288 |
if (aRect.IsEmpty()) |
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289 |
return; |
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290 |
TRect *prect=RectangleListW(); |
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291 |
TInt limit=iCount; |
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292 |
for (TInt index=0;index<limit;) |
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293 |
{ |
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294 |
if (prect->iBr.iX>aRect.iTl.iX && prect->iBr.iY>aRect.iTl.iY && prect->iTl.iX<aRect.iBr.iX && prect->iTl.iY<aRect.iBr.iY) |
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295 |
{ |
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296 |
TRect rect(*prect); |
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297 |
TRect inter(aRect); |
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298 |
inter.Intersection(*prect); |
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299 |
DeleteRect(prect); |
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300 |
if (inter.iBr.iY!=rect.iBr.iY) |
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301 |
AppendRect(TRect(rect.iTl.iX,inter.iBr.iY,rect.iBr.iX,rect.iBr.iY)); |
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302 |
if (inter.iTl.iY!=rect.iTl.iY) |
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|
303 |
AppendRect(TRect(rect.iTl.iX,rect.iTl.iY,rect.iBr.iX,inter.iTl.iY)); |
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304 |
if (inter.iBr.iX!=rect.iBr.iX) |
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|
305 |
AppendRect(TRect(inter.iBr.iX,inter.iTl.iY,rect.iBr.iX,inter.iBr.iY)); |
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|
306 |
if (inter.iTl.iX!=rect.iTl.iX) |
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|
307 |
AppendRect(TRect(rect.iTl.iX,inter.iTl.iY,inter.iTl.iX,inter.iBr.iY)); |
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|
308 |
if (iError) |
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|
309 |
break; |
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310 |
if (aSubtractedRegion!=NULL) |
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311 |
aSubtractedRegion->AddRect(inter); |
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312 |
prect=RectangleListW()+index; // List might have been re-allocated so re-get the pointer |
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|
313 |
limit--; |
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314 |
} |
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315 |
else |
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316 |
{ |
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|
317 |
index++; |
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|
318 |
prect++; |
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|
319 |
} |
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320 |
} |
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321 |
} |
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|
322 |
#endif |
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|
323 |
|
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|
324 |
|
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325 |
|
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|
326 |
|
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327 |
EXPORT_C void TRegion::Union(const TRegion &aRegion) |
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328 |
/** |
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|
329 |
Replaces this region with the union of it and the specified region. |
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|
330 |
|
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|
331 |
Note that if the error flag of either this region or the specified region is |
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|
332 |
set, then this region is cleared and its error flag is set. This frees up |
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|
333 |
allocated memory. |
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|
334 |
|
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|
335 |
@param aRegion The region to be joined to this region. |
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336 |
*/ |
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|
337 |
{ |
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338 |
RRegionBuf<ERegionBufSize> temp; |
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339 |
temp.Copy(aRegion); |
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340 |
if (temp.iCount>iCount) |
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341 |
{ |
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342 |
temp.AppendRegion(*this); |
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|
343 |
Copy(temp); |
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|
344 |
} |
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345 |
else |
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|
346 |
AppendRegion(temp); |
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|
347 |
temp.Close(); |
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|
348 |
} |
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|
349 |
|
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changeset
|
350 |
|
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changeset
|
351 |
|
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diff
changeset
|
352 |
|
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|
353 |
#ifndef __REGIONS_MACHINE_CODED__ |
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|
354 |
EXPORT_C void TRegion::Intersection(const TRegion &aRegion1,const TRegion &aRegion2) |
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|
355 |
/** |
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changeset
|
356 |
Replaces this region with the area of intersection between two specified regions. |
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changeset
|
357 |
|
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diff
changeset
|
358 |
Notes: |
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changeset
|
359 |
|
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changeset
|
360 |
1. If the error flag of either of the two specified regions is set, then this |
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changeset
|
361 |
region is cleared and its error flag is set. This frees up allocated memory. |
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changeset
|
362 |
|
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changeset
|
363 |
2. If this region's error flag is already set, then the function has no effect. |
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diff
changeset
|
364 |
|
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parents:
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changeset
|
365 |
@param aRegion1 The first region. |
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|
366 |
@param aRegion2 The second region. |
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changeset
|
367 |
*/ |
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parents:
diff
changeset
|
368 |
{ |
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parents:
diff
changeset
|
369 |
if (aRegion1.iError || aRegion2.iError) |
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changeset
|
370 |
ForceError(); |
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parents:
diff
changeset
|
371 |
else |
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parents:
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changeset
|
372 |
{ |
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parents:
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changeset
|
373 |
iCount=0; |
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changeset
|
374 |
const TRect *pRect1,*pEnd1; |
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changeset
|
375 |
const TRect *pRect2,*pEnd2; |
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parents:
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changeset
|
376 |
for (pRect1=aRegion1.RectangleList(),pEnd1=pRect1+aRegion1.iCount;pRect1<pEnd1;pRect1++) |
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parents:
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changeset
|
377 |
{ |
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parents:
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changeset
|
378 |
for (pRect2=aRegion2.RectangleList(),pEnd2=pRect2+aRegion2.iCount;pRect2<pEnd2;pRect2++) |
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parents:
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changeset
|
379 |
{ |
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parents:
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changeset
|
380 |
if (pRect1->iBr.iX>pRect2->iTl.iX && pRect1->iBr.iY>pRect2->iTl.iY && pRect1->iTl.iX<pRect2->iBr.iX && pRect1->iTl.iY<pRect2->iBr.iY) |
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parents:
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changeset
|
381 |
{ |
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parents:
diff
changeset
|
382 |
TRect rect(*pRect2); |
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parents:
diff
changeset
|
383 |
rect.Intersection(*pRect1); |
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parents:
diff
changeset
|
384 |
AppendRect(rect); |
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parents:
diff
changeset
|
385 |
} |
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parents:
diff
changeset
|
386 |
} |
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parents:
diff
changeset
|
387 |
} |
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parents:
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changeset
|
388 |
} |
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parents:
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changeset
|
389 |
} |
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parents:
diff
changeset
|
390 |
#endif |
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parents:
diff
changeset
|
391 |
|
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parents:
diff
changeset
|
392 |
|
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parents:
diff
changeset
|
393 |
|
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parents:
diff
changeset
|
394 |
|
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parents:
diff
changeset
|
395 |
EXPORT_C void TRegion::Intersect(const TRegion &aRegion) |
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parents:
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changeset
|
396 |
/** |
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parents:
diff
changeset
|
397 |
Replaces this region with the area of intersection between it and the specified |
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parents:
diff
changeset
|
398 |
region. |
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parents:
diff
changeset
|
399 |
|
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parents:
diff
changeset
|
400 |
Note that if the error flag of either this region or the specified region is |
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parents:
diff
changeset
|
401 |
set, then this region is cleared and its error flag is set. This frees up |
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parents:
diff
changeset
|
402 |
allocated memory. |
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parents:
diff
changeset
|
403 |
|
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parents:
diff
changeset
|
404 |
@param aRegion The region to be intersected with this region. |
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parents:
diff
changeset
|
405 |
*/ |
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parents:
diff
changeset
|
406 |
{ |
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parents:
diff
changeset
|
407 |
if (iCount!=0) |
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parents:
diff
changeset
|
408 |
{ |
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parents:
diff
changeset
|
409 |
RRegionBuf<ERegionBufSize> temp; |
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parents:
diff
changeset
|
410 |
temp.Copy(*this); |
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parents:
diff
changeset
|
411 |
Intersection(temp,aRegion); |
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parents:
diff
changeset
|
412 |
temp.Close(); |
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parents:
diff
changeset
|
413 |
} |
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parents:
diff
changeset
|
414 |
} |
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parents:
diff
changeset
|
415 |
|
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parents:
diff
changeset
|
416 |
|
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parents:
diff
changeset
|
417 |
|
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parents:
diff
changeset
|
418 |
|
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parents:
diff
changeset
|
419 |
EXPORT_C void TRegion::AddRect(const TRect &aRect) |
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parents:
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changeset
|
420 |
/** |
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parents:
diff
changeset
|
421 |
Adds a rectangle to this region. |
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parents:
diff
changeset
|
422 |
|
0a7b44b10206
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parents:
diff
changeset
|
423 |
Notes: |
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parents:
diff
changeset
|
424 |
|
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parents:
diff
changeset
|
425 |
1. If this region's error flag is already set, this function has no effect. |
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parents:
diff
changeset
|
426 |
|
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parents:
diff
changeset
|
427 |
2. If the operation causes the capacity of this region to be exceeded, or if |
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parents:
diff
changeset
|
428 |
memory allocation fails, the region is cleared, freeing up any memory which |
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parents:
diff
changeset
|
429 |
has been allocated; its error flag is also set. |
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parents:
diff
changeset
|
430 |
|
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parents:
diff
changeset
|
431 |
@param aRect The rectangle to be added to this region. |
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parents:
diff
changeset
|
432 |
*/ |
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parents:
diff
changeset
|
433 |
{ |
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parents:
diff
changeset
|
434 |
|
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parents:
diff
changeset
|
435 |
if (!aRect.IsEmpty() && !iError) |
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parents:
diff
changeset
|
436 |
{ |
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parents:
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changeset
|
437 |
if (IsContainedBy(aRect)) |
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parents:
diff
changeset
|
438 |
{ |
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parents:
diff
changeset
|
439 |
iCount=0; |
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parents:
diff
changeset
|
440 |
AppendRect(aRect); |
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parents:
diff
changeset
|
441 |
} |
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parents:
diff
changeset
|
442 |
else |
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parents:
diff
changeset
|
443 |
{ |
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parents:
diff
changeset
|
444 |
RRegionBuf<ERegionBufSize> temp(aRect); |
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parents:
diff
changeset
|
445 |
AppendRegion(temp); |
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parents:
diff
changeset
|
446 |
temp.Close(); |
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parents:
diff
changeset
|
447 |
} |
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parents:
diff
changeset
|
448 |
} |
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parents:
diff
changeset
|
449 |
} |
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parents:
diff
changeset
|
450 |
|
0a7b44b10206
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Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
451 |
|
0a7b44b10206
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Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
452 |
|
0a7b44b10206
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Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
453 |
|
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parents:
diff
changeset
|
454 |
EXPORT_C void TRegion::SubRegion(const TRegion &aRegion,TRegion *aSubtractedRegion) |
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parents:
diff
changeset
|
455 |
/** |
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Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
456 |
Removes a region. |
0a7b44b10206
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parents:
diff
changeset
|
457 |
|
0a7b44b10206
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parents:
diff
changeset
|
458 |
If there is no area of intersection between the two regions, this region is |
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parents:
diff
changeset
|
459 |
unaffected. |
0a7b44b10206
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parents:
diff
changeset
|
460 |
|
0a7b44b10206
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parents:
diff
changeset
|
461 |
@param aRegion The region to be removed from this region. |
0a7b44b10206
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parents:
diff
changeset
|
462 |
If aRegion's error flag is set, then this region is |
0a7b44b10206
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parents:
diff
changeset
|
463 |
cleared, freeing up any allocated memory, and the |
0a7b44b10206
Catch up of Symbian tools for @1627812
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parents:
diff
changeset
|
464 |
error flag is set. |
0a7b44b10206
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parents:
diff
changeset
|
465 |
@param aSubtractedRegion If specified, then on return contains the area removed |
0a7b44b10206
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parents:
diff
changeset
|
466 |
from this region. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
467 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
468 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
469 |
if (iCount!=0) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
470 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
471 |
if (aRegion.iError) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
472 |
ForceError(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
473 |
else |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
474 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
475 |
const TRect *pR=aRegion.RectangleList(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
476 |
const TRect *pE=pR+aRegion.iCount; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
477 |
while (pR<pE && !iError) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
478 |
SubRect(*pR++,aSubtractedRegion); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
479 |
if (iError && aSubtractedRegion) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
480 |
aSubtractedRegion->ForceError(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
481 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
482 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
483 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
484 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
485 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
486 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
487 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
488 |
#ifndef __REGIONS_MACHINE_CODED__ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
489 |
EXPORT_C void TRegion::ClipRect(const TRect &aRect) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
490 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
491 |
Clips the region to the specified rectangle. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
492 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
493 |
The resulting region is the area of overlap between the region and the rectangle. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
494 |
If there is no overlap, all rectangles within this region are deleted and |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
495 |
the resulting region is empty. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
496 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
497 |
@param aRect The rectangle to which this region is to be clipped. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
498 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
499 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
500 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
501 |
for (TInt index=0;index<iCount;) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
502 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
503 |
TRect *r2=RectangleListW()+index; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
504 |
if (r2->iTl.iX<aRect.iTl.iX) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
505 |
r2->iTl.iX=aRect.iTl.iX; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
506 |
if (r2->iTl.iY<aRect.iTl.iY) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
507 |
r2->iTl.iY=aRect.iTl.iY; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
508 |
if (r2->iBr.iX>aRect.iBr.iX) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
509 |
r2->iBr.iX=aRect.iBr.iX; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
510 |
if (r2->iBr.iY>aRect.iBr.iY) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
511 |
r2->iBr.iY=aRect.iBr.iY; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
512 |
if (r2->IsEmpty()) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
513 |
DeleteRect(r2); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
514 |
else |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
515 |
index++; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
516 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
517 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
518 |
#endif |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
519 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
520 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
521 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
522 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
523 |
EXPORT_C void TRegion::Clear() |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
524 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
525 |
Clears this region. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
526 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
527 |
This frees up any memory which has been allocated and unsets the error flag. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
528 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
529 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
530 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
531 |
if (iAllocedRects>=0) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
532 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
533 |
User::Free(((RRegion *)this)->iRectangleList); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
534 |
((RRegion *)this)->iRectangleList=NULL; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
535 |
iAllocedRects=0; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
536 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
537 |
iCount=0; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
538 |
iError=EFalse; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
539 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
540 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
541 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
542 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
543 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
544 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
545 |
#ifndef __REGIONS_MACHINE_CODED__ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
546 |
EXPORT_C void TRegion::Tidy() |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
547 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
548 |
Merges all rectangles within this region which share an adjacent edge of the |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
549 |
same length. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
550 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
551 |
The function subsequently frees up any allocated but unused memory. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
552 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
553 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
554 |
restart: |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
555 |
if (iCount>1) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
556 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
557 |
const TRect *pEnd1=RectangleList()+iCount-1; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
558 |
const TRect *pEnd2=RectangleList()+iCount; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
559 |
TRect *pRect1=RectangleListW(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
560 |
for (;pRect1<pEnd1;pRect1++) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
561 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
562 |
TRect *pRect2=pRect1+1; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
563 |
for (;pRect2<pEnd2;pRect2++) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
564 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
565 |
if (pRect1->iTl.iX==pRect2->iTl.iX && pRect1->iBr.iX==pRect2->iBr.iX) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
566 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
567 |
if (pRect1->iBr.iY==pRect2->iTl.iY) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
568 |
pRect1->iBr.iY=pRect2->iBr.iY; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
569 |
else if (pRect1->iTl.iY==pRect2->iBr.iY) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
570 |
pRect1->iTl.iY=pRect2->iTl.iY; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
571 |
else |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
572 |
continue; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
573 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
574 |
else if (pRect1->iTl.iY==pRect2->iTl.iY && pRect1->iBr.iY==pRect2->iBr.iY) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
575 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
576 |
if (pRect1->iBr.iX==pRect2->iTl.iX) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
577 |
pRect1->iBr.iX=pRect2->iBr.iX; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
578 |
else if (pRect1->iTl.iX==pRect2->iBr.iX) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
579 |
pRect1->iTl.iX=pRect2->iTl.iX; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
580 |
else |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
581 |
continue; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
582 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
583 |
else |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
584 |
continue; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
585 |
DeleteRect(pRect2); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
586 |
goto restart; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
587 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
588 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
589 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
590 |
if (iAllocedRects>iCount) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
591 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
592 |
TRect *newList=(TRect *)User::ReAlloc(((RRegion *)this)->iRectangleList,iCount*sizeof(TRect)); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
593 |
if (newList!=NULL) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
594 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
595 |
iAllocedRects=iCount; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
596 |
((RRegion *)this)->iRectangleList=newList; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
597 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
598 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
599 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
600 |
#endif |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
601 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
602 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
603 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
604 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
605 |
EXPORT_C TInt TRegion::Sort() |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
606 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
607 |
Sorts the region's array of rectangles according to their vertical position |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
608 |
on the screen. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
609 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
610 |
The sort uses the bottom right hand corner co-ordinates of the rectangles. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
611 |
The co-ordinates of the top and left hand sides are irrelevant |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
612 |
to the sort operation. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
613 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
614 |
Higher rectangles take precedence over lower ones. For rectangles at the same |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
615 |
vertical position, the leftmost takes priority. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
616 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
617 |
Note that the sort order may need to be different from the default if, for example, |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
618 |
a region is moved downwards so that lower non-overlapping rectangles need |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
619 |
to be redrawn (and sorted) before higher ones. In this case, use the second |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
620 |
overload of this function. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
621 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
622 |
@return KErrNone, if the operation is successful; KErrGeneral, otherwise. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
623 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
624 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
625 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
626 |
return Sort(TPoint(-1,-1)); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
627 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
628 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
629 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
630 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
631 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
632 |
EXPORT_C TInt TRegion::Sort(const TPoint &aOffset) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
633 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
634 |
// Sort the region for copying to the same display. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
635 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
636 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
637 |
Sorts the region's array of rectangles according to a specified sort order. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
638 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
639 |
The sort uses the bottom right hand co-ordinates of the rectangles. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
640 |
The co-ordinates of the top and left hand sides are irrelevant |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
641 |
to the sort operation |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
642 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
643 |
The order of the sort is determined by whether the iX and iY members of aOffset |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
644 |
are positive, or zero or less. If aOffset.iY is greater than zero, |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
645 |
lower rectangles take precedence over higher rectangles in the list order. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
646 |
Otherwise, higher rectangles take precedence. For rectangles of equal height, |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
647 |
aOffset.iX becomes relevant to the sort. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
648 |
If is greater than zero, rightmost rectangles |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
649 |
take precedence. Otherwise, leftmost rectangles take precedence. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
650 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
651 |
Note that the sort order may need to be different from the default if, |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
652 |
for example, a region is moved downwards so that lower non-overlapping |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
653 |
rectangles need to be redrawn (and sorted) before higher ones. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
654 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
655 |
@param aOffset A point whose iX and iY members determine the order of the |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
656 |
sort. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
657 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
658 |
@return KErrNone, if the operation is successful; KErrGeneral, otherwise. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
659 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
660 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
661 |
TRectKey key(RectangleList(),aOffset); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
662 |
TRectSwap swap(RectangleListW()); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
663 |
return(User::QuickSort(iCount,key,swap)); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
664 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
665 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
666 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
667 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
668 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
669 |
EXPORT_C TRect *TRegion::RectangleListW() |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
670 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
671 |
// Return a writeable rectangle list. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
672 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
673 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
674 |
if (iAllocedRects>=0) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
675 |
return(((RRegion *)this)->iRectangleList); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
676 |
else if (iAllocedRects&ERRegionBuf) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
677 |
return((TRect *)(this+1)); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
678 |
return((TRect *)(((RRegion *)this)+1)); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
679 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
680 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
681 |
TBool TRegion::SetListSize(TInt aCount) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
682 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
683 |
if (iAllocedRects<0) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
684 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
685 |
if (aCount>(-(iAllocedRects|ERRegionBuf))) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
686 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
687 |
if ((iAllocedRects&ERRegionBuf) || |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
688 |
(((RRegion *)this)->iRectangleList= |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
689 |
(TRect *)User::Alloc(aCount*sizeof(TRect)))==NULL) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
690 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
691 |
ForceError(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
692 |
return(EFalse); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
693 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
694 |
iAllocedRects=aCount; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
695 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
696 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
697 |
else if (iAllocedRects<aCount) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
698 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
699 |
TRect *newList=(TRect *)User::ReAlloc(((RRegion *)this)->iRectangleList,aCount*sizeof(TRect)); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
700 |
if (newList==NULL) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
701 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
702 |
ForceError(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
703 |
return(EFalse); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
704 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
705 |
((RRegion *)this)->iRectangleList=newList; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
706 |
iAllocedRects=aCount; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
707 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
708 |
return(ETrue); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
709 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
710 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
711 |
#ifndef __REGIONS_MACHINE_CODED__ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
712 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
713 |
EXPORT_C void TRegion::ForceError() |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
714 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
715 |
Sets the error flag, and clears the region. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
716 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
717 |
This frees up memory allocated to the region. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
718 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
719 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
720 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
721 |
Clear(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
722 |
iError=ETrue; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
723 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
724 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
725 |
void TRegion::AppendRect(const TRect &aRect) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
726 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
727 |
// Add a rectangle to the list. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
728 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
729 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
730 |
if (!iError) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
731 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
732 |
TRect *prects=NULL; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
733 |
if (iAllocedRects&ERRegionBuf) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
734 |
{ // TRegionFix |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
735 |
if (iCount==-iAllocedRects) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
736 |
{ // Can't expand a TRegionFix |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
737 |
ForceError(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
738 |
return; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
739 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
740 |
prects=(TRect *)(this+1); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
741 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
742 |
else if (iAllocedRects<0) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
743 |
{ // RRegionBuf |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
744 |
prects=(TRect *)(((RRegion *)this)+1); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
745 |
if (iCount==(-(iAllocedRects|ERRegionBuf))) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
746 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
747 |
iAllocedRects=iCount+((RRegion *)this)->iGranularity; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
748 |
if ((((RRegion *)this)->iRectangleList=(TRect *)User::Alloc(iAllocedRects*sizeof(TRect)))==NULL) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
749 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
750 |
ForceError(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
751 |
return; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
752 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
753 |
Mem::Copy(((RRegion *)this)->iRectangleList, prects, sizeof(TRect)*((RRegion *)this)->iGranularity); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
754 |
prects=((RRegion *)this)->iRectangleList; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
755 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
756 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
757 |
else |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
758 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
759 |
RRegion *pr=(RRegion *)this; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
760 |
prects=pr->iRectangleList; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
761 |
if (iAllocedRects==iCount) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
762 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
763 |
iAllocedRects+=pr->iGranularity; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
764 |
prects=(TRect *)User::ReAlloc(prects, iAllocedRects*sizeof(TRect)); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
765 |
if (prects==NULL) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
766 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
767 |
ForceError(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
768 |
return; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
769 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
770 |
pr->iRectangleList=prects; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
771 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
772 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
773 |
*(prects+iCount)=aRect; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
774 |
iCount++; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
775 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
776 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
777 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
778 |
void TRegion::DeleteRect(TRect *aRect) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
779 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
780 |
// Delete a specific rectangle in the list. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
781 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
782 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
783 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
784 |
iCount--; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
785 |
Mem::Copy(aRect,aRect+1,((TUint8 *)(RectangleList()+iCount))-((TUint8 *)aRect)); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
786 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
787 |
#endif |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
788 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
789 |
void TRegion::AppendRegion(TRegion &aRegion) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
790 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
791 |
// Append all the rectangles from aRegion to this. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
792 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
793 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
794 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
795 |
if (aRegion.iError) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
796 |
ForceError(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
797 |
else |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
798 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
799 |
aRegion.SubRegion(*this); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
800 |
const TRect *pR=aRegion.RectangleList(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
801 |
const TRect *pE=pR+aRegion.iCount; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
802 |
while (pR<pE) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
803 |
AppendRect(*pR++); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
804 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
805 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
806 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
807 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
808 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
809 |
EXPORT_C RRegion::RRegion() |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
810 |
: TRegion(0), iGranularity(EDefaultGranularity), iRectangleList(NULL) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
811 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
812 |
Default constructor. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
813 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
814 |
Initialises its granularity to five. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
815 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
816 |
{} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
817 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
818 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
819 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
820 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
821 |
EXPORT_C RRegion::RRegion(TInt aGran) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
822 |
: TRegion(0), iGranularity(aGran), iRectangleList(NULL) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
823 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
824 |
Constructs the object with the specified granularity. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
825 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
826 |
@param aGran The initial value for the region's granularity. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
827 |
This value must not be negative. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
828 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
829 |
{} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
830 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
831 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
832 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
833 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
834 |
EXPORT_C RRegion::RRegion(const TRect &aRect, TInt aGran) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
835 |
: TRegion(0), iGranularity(aGran), iRectangleList(NULL) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
836 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
837 |
Constructs the object with the specified rectangle and granularity. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
838 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
839 |
The resulting region consists of the specified single rectangle. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
840 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
841 |
@param aRect The single rectangle with which to initialise the region |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
842 |
@param aGran The initial value for the region's granularity. By default, |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
843 |
this is five. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
844 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
845 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
846 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
847 |
if (!aRect.IsEmpty()) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
848 |
AppendRect(aRect); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
849 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
850 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
851 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
852 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
853 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
854 |
EXPORT_C RRegion::RRegion(const RRegion &aRegion) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
855 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
856 |
Copy constructor. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
857 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
858 |
Constructs a new region from an existing one by performing a bit-wise copy. Both the new and |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
859 |
existing regions are left containing pointers to the same data, so Close() must only be called on |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
860 |
one of them. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
861 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
862 |
Use of this method is not reccomended. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
863 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
864 |
@param aRegion The region to be copied. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
865 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
866 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
867 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
868 |
*this=aRegion; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
869 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
870 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
871 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
872 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
873 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
874 |
EXPORT_C RRegion::RRegion(TInt aBuf, TInt aGran) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
875 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
876 |
// Constructor. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
877 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
878 |
: TRegion(aBuf), iGranularity(aGran), iRectangleList(NULL) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
879 |
{} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
880 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
881 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
882 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
883 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
884 |
EXPORT_C RRegion::RRegion(TInt aCount,TRect* aRectangleList,TInt aGran/*=EDefaultGranularity*/) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
885 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
886 |
Constructor that takes ownership of an already created rectangle list. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
887 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
888 |
@param aCount The number of rectangles in the region. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
889 |
@param aRectangleList A pointer to the set of rectangles. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
890 |
@param aGran The region's granularity. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
891 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
892 |
: TRegion(aCount), iGranularity(aGran), iRectangleList(aRectangleList) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
893 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
894 |
iCount=aCount; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
895 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
896 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
897 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
898 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
899 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
900 |
EXPORT_C void RRegion::Close() |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
901 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
902 |
Closes the region. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
903 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
904 |
Frees up any memory which has been allocated, and unsets the error flag, if |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
905 |
set. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
906 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
907 |
The region can be re-used after calling this method. Its granularity is preserved. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
908 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
909 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
910 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
911 |
Clear(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
912 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
913 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
914 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
915 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
916 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
917 |
EXPORT_C void RRegion::Destroy() |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
918 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
919 |
// Destroy |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
920 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
921 |
/** |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
922 |
Deletes the region. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
923 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
924 |
Frees all memory. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
925 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
926 |
Note this method will delete the RRegion object and therefore it should not be |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
927 |
invoked on RRegion objects that are not allocated on the heap. RRegion::Close() |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
928 |
should be used for RRegion objects stored on the stack. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
929 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
930 |
@panic USER 42 if the RRegion object is stored on the stack. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
931 |
*/ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
932 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
933 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
934 |
Clear(); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
935 |
delete this; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
936 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
937 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
938 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
939 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
940 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
941 |
TInt TRectKey::Compare(TInt aLeft,TInt aRight) const |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
942 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
943 |
// Compares two rectangles for partial ordering. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
944 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
945 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
946 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
947 |
if (aLeft==aRight) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
948 |
return(0); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
949 |
const TRect *r1=&iRectList[aLeft]; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
950 |
const TRect *r2=&iRectList[aRight]; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
951 |
if (r2->iBr.iY<=r1->iTl.iY) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
952 |
return(iDown ? -1 : 1); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
953 |
if (r1->iBr.iY<=r2->iTl.iY) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
954 |
return(iDown ? 1 : -1); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
955 |
if (r2->iBr.iX<=r1->iTl.iX) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
956 |
return(iRight ? -1 : 1); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
957 |
__ASSERT_DEBUG(r1->iBr.iX<=r2->iTl.iX,Panic(ETRegionInvalidRegionInSort)); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
958 |
return(iRight ? 1 : -1); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
959 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
960 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
961 |
void TRectSwap::Swap(TInt aLeft,TInt aRight) const |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
962 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
963 |
// Swap two rectangles. |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
964 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
965 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
966 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
967 |
TRect tmp(iRectList[aLeft]); |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
968 |
iRectList[aLeft]=iRectList[aRight]; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
969 |
iRectList[aRight]=tmp; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
970 |
} |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
971 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
972 |
TRectKey::TRectKey(const TRect *aRectList,const TPoint &aOffset) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
973 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
974 |
// Rectangle key constructor |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
975 |
// |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
976 |
{ |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
977 |
|
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
978 |
iRectList=aRectList; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
979 |
if(aOffset.iX>0) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
980 |
iRight=ETrue; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
981 |
else |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
982 |
iRight=EFalse; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
983 |
if(aOffset.iY>0) |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
984 |
iDown=ETrue; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
985 |
else |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
986 |
iDown=EFalse; |
0a7b44b10206
Catch up of Symbian tools for @1627812
Pat Downey <patrick.downey@nokia.com>
parents:
diff
changeset
|
987 |
} |