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1 // Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // GC and Graphics functions |
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15 // |
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16 // |
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17 |
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18 #include <e32std.h> |
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19 #include <s32mem.h> |
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20 #include "gc.h" |
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21 #include "backedupwindow.h" |
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22 #include "windowgroup.h" |
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23 #include "ScrDev.H" |
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24 #include "wstop.h" |
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25 #include "panics.h" |
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26 #include "Graphics/WSGRAPHICDRAWER.H" |
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27 #include "wsfont.h" |
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28 |
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29 CFbsBitmap *CWsGc::iScratchBitmap=NULL; |
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30 CFbsBitmap *CWsGc::iScratchMaskBitmap=NULL; |
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31 |
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32 GLREF_C TInt ExternalizeRegionL(RWriteStream& aWriteStream, const RWsRegion& aRegion); |
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33 |
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34 /*CWsGc*/ |
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35 |
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36 CWsGc* CWsGc::NewL(CWsClient *aOwner) |
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37 { |
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38 CWsGc* self = new(ELeave) CWsGc(aOwner); |
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39 CleanupStack::PushL(self); |
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40 self->ConstructL(); |
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41 CleanupStack::Pop(self); |
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42 return self; |
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43 } |
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44 |
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45 void CWsGc::InitStaticsL() |
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46 { |
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47 iScratchBitmap=new(ELeave) CFbsBitmap(); |
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48 iScratchMaskBitmap=new(ELeave) CFbsBitmap(); |
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49 } |
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50 |
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51 void CWsGc::DeleteStatics() |
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52 { |
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53 delete iScratchBitmap; |
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54 delete iScratchMaskBitmap; |
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55 } |
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56 |
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57 CWsGc::CWsGc(CWsClient *owner) : CWsObject(owner,WS_HANDLE_GC) |
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58 { |
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59 __DECLARE_NAME(_S("CWsGc")); |
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60 } |
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61 |
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62 void CWsGc::ConstructL() |
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63 { |
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64 NewObjL(); |
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65 iGdi=CFbsBitGc::NewL(); |
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66 } |
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67 |
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68 void CWsGc::Activate(CWsClientWindow *win) |
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69 { |
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70 if (iWin!=NULL) |
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71 { |
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72 if (CWsClient::iCurrentCommand.iOpcode==0) |
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73 { |
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74 WS_PANIC_ALWAYS(EWsPanicDrawCommandsInvalidState); |
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75 } |
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76 else |
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77 { |
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78 OwnerPanic(EWservPanicGcActive); |
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79 } |
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80 } |
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81 iWin=win; |
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82 iGdi->ActivateNoJustAutoUpdate(iWin->Redraw()->OutputDevice()); |
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83 iWin->GcActivated(this); |
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84 iGdi->SetBrushColor(iWin->BackColor()); |
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85 iOrigin.SetXY(0,0); |
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86 ResetClippingRect(); |
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87 if(iWsOwner) |
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88 { |
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89 CWsWindowGroup *winGp = iWin->WinGroup(); |
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90 if(!winGp->Device()) |
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91 OwnerPanic(EWservPanicGroupWinScreenDeviceDeleted); |
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92 SetReply(winGp->Device()->ClientDevicePointer()); |
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93 } |
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94 } |
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95 |
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96 void CWsGc::Activate(const TInt &aHandle) |
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97 { |
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98 CWsClientWindow *win; |
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99 iWsOwner->HandleToClientWindow(aHandle,&win); |
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100 if (!win->BaseParent()) |
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101 OwnerPanic(EWservPanicParentDeleted); |
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102 Activate(win); |
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103 } |
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104 |
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105 void CWsGc::Reactivate() |
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106 { |
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107 WS_ASSERT_DEBUG(iWin != NULL, EWsPanicDrawCommandsInvalidState); |
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108 iGdi->ActivateNoJustAutoUpdate(iWin->Redraw()->OutputDevice()); |
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109 } |
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110 |
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111 CWsGc::~CWsGc() |
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112 { |
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113 if (iWin!=NULL) |
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114 Deactivate(); |
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115 delete iGdi; |
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116 delete iPolyPoints; |
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117 } |
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118 |
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119 void CWsGc::Deactivate() |
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120 { |
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121 if (iWin) // Protect against deactivating an already deactivated GC, this is allowed to aid clean up code. |
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122 { |
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123 CWsFontCache::Instance()->ReleaseFont(iFont); |
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124 iGdi->Reset(); |
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125 iWin->GcDeactivated(this); |
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126 CancelClippingRegion(); |
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127 iWin->Redraw()->GcDeactivate(this); |
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128 iWin=NULL; |
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129 } |
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130 } |
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131 |
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132 void CWsGc::Reset() |
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133 { |
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134 iGdi->Reset(); |
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135 } |
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136 |
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137 void CWsGc::SetClippingRect(const TRect &aRect) |
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138 { |
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139 iClippingRect=aRect; |
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140 iClippingRect.Move(iOrigin); |
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141 iClippingRectSet=ETrue; |
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142 } |
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143 |
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144 void CWsGc::ResetClippingRect() |
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145 { |
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146 iClippingRectSet=EFalse; |
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147 } |
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148 |
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149 void CWsGc::SetClippingRegionL(TInt aRegionCount) |
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150 { |
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151 RWsRegion *newRegion=GetRegionFromClientL(iWsOwner, aRegionCount); |
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152 CancelClippingRegion(); |
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153 iUserDefinedClippingRegion=newRegion; |
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154 |
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155 if (iUserDefinedClippingRegion) |
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156 { |
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157 iUserDefinedClippingRegion->Offset(iOrigin); |
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158 } |
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159 } |
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160 |
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161 void CWsGc::CancelClippingRegion() |
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162 { |
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163 if (iUserDefinedClippingRegion) |
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164 { |
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165 iUserDefinedClippingRegion->Destroy(); |
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166 iUserDefinedClippingRegion=NULL; |
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167 } |
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168 } |
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169 |
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170 void CWsGc::CheckPolyData(const TAny* aDataPtr, TInt aHeaderSize, TInt aNumPoints) |
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171 { |
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172 TInt maxDataLen; |
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173 if (CWsClient::iCurrentCommand.iOpcode>0) |
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174 { |
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175 maxDataLen=CWsClient::EndOfCommandBuffer()-static_cast<const TUint8*>(aDataPtr); |
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176 } |
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177 else // Playing back from redraw store |
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178 { |
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179 maxDataLen=CWsClient::iCurrentCommand.iCmdLength; |
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180 } |
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181 const TInt dataSize=aHeaderSize+aNumPoints*sizeof(TPoint); |
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182 if (dataSize>maxDataLen) |
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183 GcOwnerPanic(EWservPanicBadPolyData); |
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184 } |
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185 |
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186 void CWsGc::DoDrawPolygon(const TWsGcCmdDrawPolygon *aDrawPolygon) |
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187 { |
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188 CheckPolyData(aDrawPolygon,sizeof(TWsGcCmdDrawPolygon),aDrawPolygon->numPoints); |
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189 iGdi->DrawPolygon((TPoint *)(aDrawPolygon+1),aDrawPolygon->numPoints,aDrawPolygon->fillRule); |
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190 } |
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191 |
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192 void CWsGc::StartSegmentedDrawPolygonL(const TWsGcCmdStartSegmentedDrawPolygon* aDrawPolygon) |
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193 { |
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194 if (iPolyPoints || !Rng(0, aDrawPolygon->totalNumPoints, KMaxTInt/2 - 1)) // Restarting without finishing old polygon or invalid size |
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195 GcOwnerPanic(EWservPanicBadPolyData); |
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196 iPolyPoints=(TPoint *)User::AllocL(aDrawPolygon->totalNumPoints*sizeof(TPoint)); |
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197 iPolyPointListSize=aDrawPolygon->totalNumPoints; |
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198 } |
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199 |
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200 void CWsGc::SegmentedDrawPolygonData(const TWsGcCmdSegmentedDrawPolygonData* aDrawPolygon) |
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201 { |
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202 if (aDrawPolygon->index<0 || (aDrawPolygon->index+aDrawPolygon->numPoints)>iPolyPointListSize) |
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203 GcOwnerPanic(EWservPanicBadPolyData); |
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204 Mem::Copy(iPolyPoints+aDrawPolygon->index,aDrawPolygon+1,aDrawPolygon->numPoints*sizeof(TPoint)); |
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205 } |
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206 |
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207 void CWsGc::EndSegmentedPolygon() |
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208 { |
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209 delete iPolyPoints; |
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210 iPolyPoints=NULL; |
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211 iPolyPointListSize = 0; |
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212 } |
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213 |
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214 void CWsGc::DoDrawPolyLine(const TWsGcCmdDrawPolyLine *aDrawPolyLine, TBool aContinued) |
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215 { |
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216 TInt numPoints=aDrawPolyLine->numPoints; |
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217 CheckPolyData(aDrawPolyLine,sizeof(TWsGcCmdDrawPolyLine),numPoints); |
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218 const TPoint *points=(TPoint *)(aDrawPolyLine+1); |
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219 if (aContinued) |
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220 { |
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221 numPoints++; |
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222 points=&aDrawPolyLine->last; |
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223 } |
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224 if (aDrawPolyLine->more) // more to come so don't draw the end point |
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225 iGdi->DrawPolyLineNoEndPoint(points,numPoints); |
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226 else |
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227 iGdi->DrawPolyLine(points,numPoints); |
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228 } |
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229 |
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230 void CWsGc::GcOwnerPanic(TClientPanic aPanic) |
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231 { |
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232 iGdi->SetClippingRegion(NULL); |
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233 EndSegmentedPolygon(); |
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234 iWin->WsOwner()->PPanic(aPanic); |
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235 } |
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236 |
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237 TPtrC CWsGc::BufferTPtr(TText* aStart,TInt aLen) |
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238 { |
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239 TPtrC gcPtr; |
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240 if (!CWsClient::BufferTPtrGc(aStart,aLen,gcPtr)) |
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241 GcOwnerPanic(EWservPanicBufferPtr); |
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242 return(gcPtr); |
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243 } |
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244 |
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245 void CWsGc::DoDrawCommand(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData, const TRegion *aRegion) |
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246 { |
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247 if (aRegion) |
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248 { |
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249 WS_ASSERT_DEBUG(iWin,EWsPanicWindowNull); |
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250 if (aRegion->Count()==0) |
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251 return; |
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252 if (aRegion->IsContainedBy(TRect(TPoint(0,0), iGdi->Device()->SizeInPixels()))) |
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253 { |
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254 iGdi->SetClippingRegion(aRegion); |
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255 } |
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256 } |
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257 switch(aOpcode) |
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258 { |
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259 case EWsGcOpDrawWsGraphic: |
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260 case EWsGcOpDrawWsGraphicPtr: |
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261 { |
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262 // CWsGc doesn't support CRPs. CPlaybackGc does. This means backedup windows |
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263 // don't get to play with them yet. |
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264 break; |
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265 } |
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266 case EWsGcOpMapColorsLocal: |
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267 iGdi->MapColors(pData.MapColorsLocal->rect, pData.MapColorsLocal->colors,pData.MapColorsLocal->numPairs,pData.MapColorsLocal->mapForwards); |
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268 break; |
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269 case EWsGcOpDrawPolyLineLocalBufLen: |
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270 iGdi->DrawPolyLine(pData.DrawPolyLineLocalBufLen->points,pData.DrawPolyLineLocalBufLen->length); |
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271 break; |
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272 case EWsGcOpDrawPolyLineLocal: |
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273 iGdi->DrawPolyLine(pData.PointList); |
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274 break; |
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275 case EWsGcOpDrawPolygonLocalBufLen: |
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276 iGdi->DrawPolygon(pData.DrawPolygonLocalBufLen->points,pData.DrawPolygonLocalBufLen->length,pData.DrawPolygonLocalBufLen->fillRule); |
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277 break; |
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278 case EWsGcOpDrawPolygonLocal: |
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279 iGdi->DrawPolygon(pData.DrawPolygonLocal->pointList,pData.DrawPolygonLocal->fillRule); |
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280 break; |
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281 case EWsGcOpDrawBitmapLocal: |
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282 iGdi->DrawBitmap(pData.BitmapLocal->pos, pData.BitmapLocal->bitmap); |
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283 break; |
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284 case EWsGcOpDrawBitmap2Local: |
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285 iGdi->DrawBitmap(pData.Bitmap2Local->rect, pData.Bitmap2Local->bitmap); |
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286 break; |
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287 case EWsGcOpDrawBitmap3Local: |
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288 iGdi->DrawBitmap(pData.Bitmap3Local->rect, pData.Bitmap3Local->bitmap, pData.Bitmap3Local->srcRect); |
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289 break; |
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290 case EWsGcOpDrawBitmapMaskedLocal: |
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291 iGdi->DrawBitmapMasked(pData.iBitmapMaskedLocal->iRect, pData.iBitmapMaskedLocal->iBitmap, pData.iBitmapMaskedLocal->iSrcRect, pData.iBitmapMaskedLocal->iMaskBitmap,pData.iBitmapMaskedLocal->iInvertMask); |
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292 break; |
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293 case EWsGcOpAlphaBlendBitmapsLocal: |
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294 iGdi->AlphaBlendBitmaps(pData.AlphaBlendBitmapsLocal->point,pData.AlphaBlendBitmapsLocal->iBitmap, |
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295 pData.AlphaBlendBitmapsLocal->source, pData.AlphaBlendBitmapsLocal->iAlpha, |
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296 pData.AlphaBlendBitmapsLocal->alphaPoint); |
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297 |
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298 break; |
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299 case EWsGcOpDrawText: |
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300 iGdi->DrawText(BufferTPtr((TText *)(pData.DrawText+1),pData.DrawText->length),pData.DrawText->pos); |
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301 break; |
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302 case EWsGcOpDrawBoxTextOptimised1: |
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303 iGdi->DrawText(BufferTPtr((TText *)(pData.BoxTextO1+1),pData.BoxTextO1->length),pData.BoxTextO1->box, |
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304 pData.BoxTextO1->baselineOffset,CGraphicsContext::ELeft,0); |
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305 break; |
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306 case EWsGcOpDrawBoxTextOptimised2: |
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307 iGdi->DrawText(BufferTPtr((TText *)(pData.BoxTextO2+1),pData.BoxTextO2->length),pData.BoxTextO2->box, |
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308 pData.BoxTextO2->baselineOffset,pData.BoxTextO2->horiz,pData.BoxTextO2->leftMrg); |
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309 break; |
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310 case EWsGcOpDrawTextPtr: |
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311 iGdi->DrawText(*pData.DrawTextPtr->text,pData.DrawTextPtr->pos); |
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312 break; |
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313 case EWsGcOpDrawTextPtr1: |
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314 iGdi->DrawText(*pData.DrawTextPtr->text); |
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315 break; |
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316 case EWsGcOpDrawBoxText: |
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317 iGdi->DrawText(BufferTPtr((TText *)(pData.BoxText+1),pData.BoxText->length),pData.BoxText->box,pData.BoxText->baselineOffset,pData.BoxText->width,pData.BoxText->horiz,pData.BoxText->leftMrg); |
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318 break; |
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319 case EWsGcOpDrawBoxTextPtr: |
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320 iGdi->DrawText(*pData.DrawBoxTextPtr->text,pData.DrawBoxTextPtr->box,pData.DrawBoxTextPtr->baselineOffset,pData.DrawBoxTextPtr->width,pData.DrawBoxTextPtr->horiz,pData.DrawBoxTextPtr->leftMrg); |
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321 break; |
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322 case EWsGcOpDrawBoxTextPtr1: |
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323 iGdi->DrawText(*pData.DrawBoxTextPtr->text,pData.DrawBoxTextPtr->box); |
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324 break; |
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325 case EWsGcOpDrawTextVertical: |
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326 iGdi->DrawTextVertical(BufferTPtr((TText *)(pData.DrawTextVertical+1),pData.DrawTextVertical->length),pData.DrawTextVertical->pos |
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327 ,pData.DrawTextVertical->up); |
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328 break; |
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329 case EWsGcOpDrawTextVerticalPtr: |
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330 iGdi->DrawTextVertical(*pData.DrawTextVerticalPtr->text,pData.DrawTextVerticalPtr->pos,pData.DrawTextVerticalPtr->up); |
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331 break; |
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332 case EWsGcOpDrawTextVerticalPtr1: |
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333 iGdi->DrawTextVertical(*pData.DrawTextVerticalPtr->text,pData.DrawTextVerticalPtr->up); |
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334 break; |
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335 case EWsGcOpDrawBoxTextVertical: |
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336 iGdi->DrawTextVertical(BufferTPtr((TText *)(pData.DrawBoxTextVertical+1),pData.DrawBoxTextVertical->length), |
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337 pData.DrawBoxTextVertical->box, pData.DrawBoxTextVertical->baselineOffset, |
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338 pData.DrawBoxTextVertical->up,(CGraphicsContext::TTextAlign)pData.DrawBoxTextVertical->vert,pData.DrawBoxTextVertical->margin); |
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339 break; |
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340 case EWsGcOpDrawBoxTextVerticalPtr: |
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341 iGdi->DrawTextVertical(*pData.DrawBoxTextVerticalPtr->text,pData.DrawBoxTextVerticalPtr->box,pData.DrawBoxTextVerticalPtr->baselineOffset |
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342 ,pData.DrawBoxTextVerticalPtr->width,pData.DrawBoxTextVerticalPtr->up,pData.DrawBoxTextVerticalPtr->vert,pData.DrawBoxTextVerticalPtr->margin); |
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343 break; |
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344 case EWsGcOpDrawBoxTextVerticalPtr1: |
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345 iGdi->DrawTextVertical(*pData.DrawBoxTextVerticalPtr->text,pData.DrawBoxTextVerticalPtr->box,pData.DrawBoxTextVerticalPtr->up); |
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346 break; |
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347 case EWsGcOpDrawTextLocal: |
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348 iGdi->DrawText(*pData.DrawTextLocal->desc,pData.DrawTextLocal->pos); |
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349 break; |
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350 case EWsGcOpDrawBoxTextLocal: |
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351 iGdi->DrawText(*pData.BoxTextLocal->desc,pData.BoxTextLocal->box,pData.BoxTextLocal->baselineOffset, |
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352 pData.BoxTextLocal->horiz,pData.BoxTextLocal->leftMrg); |
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353 break; |
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354 case EWsGcOpDrawLine: |
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355 iGdi->DrawLine(pData.DrawLine->pnt1,pData.DrawLine->pnt2); |
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356 break; |
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357 case EWsGcOpDrawTo: |
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358 iGdi->DrawLine(iLinePos,*pData.Point); |
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359 break; |
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360 case EWsGcOpDrawBy: |
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361 iGdi->DrawLine(iLinePos,iLinePos+(*pData.Point)); |
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362 break; |
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363 case EWsGcOpPlot: |
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364 iGdi->Plot(*pData.Point); |
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365 break; |
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366 case EWsGcOpMoveTo: |
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367 case EWsGcOpMoveBy: |
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368 break; |
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369 case EWsGcOpGdiBlt2Local: |
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370 iGdi->BitBlt(pData.GdiBlt2Local->pos,pData.GdiBlt2Local->bitmap); |
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371 break; |
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372 case EWsGcOpGdiBlt3Local: |
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373 iGdi->BitBlt(pData.GdiBlt3Local->pos,pData.GdiBlt3Local->bitmap, pData.GdiBlt3Local->rect); |
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374 break; |
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375 case EWsGcOpGdiBltMaskedLocal: |
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376 iGdi->BitBltMasked(pData.GdiBltMaskedLocal->pos,pData.GdiBltMaskedLocal->bitmap, |
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377 pData.GdiBltMaskedLocal->rect,pData.GdiBltMaskedLocal->maskBitmap, |
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378 pData.GdiBltMaskedLocal->invertMask); |
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379 break; |
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380 case EWsGcOpGdiWsBlt2: |
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381 case EWsGcOpGdiWsBlt3: |
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382 case EWsGcOpGdiWsBltMasked: |
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383 case EWsGcOpGdiWsAlphaBlendBitmaps: |
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384 case EWsGcOpWsDrawBitmapMasked: |
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385 { |
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386 CFbsBitmap* scratchBimap=iScratchBitmap; |
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387 CFbsBitmap* scratchMaskBimap=iScratchMaskBitmap; |
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388 TInt maskHandle=0; |
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389 TInt handle=WsBitmapHandle(aOpcode,pData, maskHandle); |
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390 CWsClient* owner=iWin->WsOwner(); // We can't just use iWsOwner - it can be null for stored commands |
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391 if (owner!=NULL) |
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392 { |
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393 DWsBitmap *bitmap=(DWsBitmap *)owner->HandleToObj(handle, WS_HANDLE_BITMAP); |
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394 if (!bitmap) |
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395 GcOwnerPanic(EWservPanicBitmap); |
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396 scratchBimap=bitmap->FbsBitmap(); |
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397 if (aOpcode==EWsGcOpGdiWsBltMasked || aOpcode==EWsGcOpGdiWsAlphaBlendBitmaps || aOpcode==EWsGcOpWsDrawBitmapMasked) |
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398 { |
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399 DWsBitmap *bitmap2=(DWsBitmap *)owner->HandleToObj(maskHandle, WS_HANDLE_BITMAP); |
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400 if (!bitmap2) |
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401 GcOwnerPanic(EWservPanicBitmap); |
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402 scratchMaskBimap=bitmap2->FbsBitmap(); |
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403 } |
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404 } |
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405 else |
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406 { |
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407 GcOwnerPanic(EWservPanicBitmap); |
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408 } |
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409 switch(aOpcode) |
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410 { |
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411 case EWsGcOpGdiWsBlt2: |
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412 iGdi->BitBlt(pData.GdiBlt2->pos,scratchBimap); |
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413 break; |
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414 case EWsGcOpGdiWsBlt3: |
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415 iGdi->BitBlt(pData.GdiBlt3->pos,scratchBimap, pData.GdiBlt3->rect); |
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416 break; |
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417 case EWsGcOpGdiWsBltMasked: |
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418 { |
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419 iGdi->BitBltMasked(pData.GdiBltMasked->destination,scratchBimap, |
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420 pData.GdiBltMasked->source, scratchMaskBimap, |
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421 pData.GdiBltMasked->invertMask); |
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422 } |
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423 break; |
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424 case EWsGcOpGdiWsAlphaBlendBitmaps: |
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425 { |
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426 iGdi->AlphaBlendBitmaps(pData.AlphaBlendBitmaps->point,scratchBimap, |
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427 pData.AlphaBlendBitmaps->source, scratchMaskBimap, |
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428 pData.AlphaBlendBitmaps->alphaPoint); |
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429 } |
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430 break; |
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431 case EWsGcOpWsDrawBitmapMasked: |
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432 { |
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433 iGdi->DrawBitmapMasked(pData.iBitmapMasked->iRect,scratchBimap, |
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434 pData.iBitmapMasked->iSrcRect,scratchMaskBimap, |
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435 pData.iBitmapMasked->iInvertMask); |
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436 } |
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437 break; |
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438 } |
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439 break; |
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440 } |
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441 case EWsGcOpGdiBlt2: |
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442 case EWsGcOpGdiBlt3: |
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443 case EWsGcOpGdiBltMasked: |
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444 case EWsGcOpGdiAlphaBlendBitmaps: |
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445 case EWsGcOpDrawBitmap: |
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446 case EWsGcOpDrawBitmap2: |
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447 case EWsGcOpDrawBitmap3: |
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448 case EWsGcOpDrawBitmapMasked: |
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449 { |
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450 TInt maskHandle=0; |
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451 TInt ret = iScratchBitmap->Duplicate(FbsBitmapHandle(aOpcode, pData,maskHandle)); |
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452 if(ret == KErrNoMemory) |
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453 break; |
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454 if (ret !=KErrNone) |
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455 GcOwnerPanic(EWservPanicBitmap); |
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456 |
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457 switch(aOpcode) |
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458 { |
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459 case EWsGcOpGdiBlt2: |
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460 iGdi->BitBlt(pData.GdiBlt2->pos,iScratchBitmap); |
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461 break; |
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462 case EWsGcOpGdiBlt3: |
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463 iGdi->BitBlt(pData.GdiBlt3->pos,iScratchBitmap, pData.GdiBlt3->rect); |
|
464 break; |
|
465 case EWsGcOpGdiBltMasked: |
|
466 { |
|
467 TInt ret = iScratchMaskBitmap->Duplicate(pData.GdiBltMasked->maskHandle); |
|
468 if(ret == KErrNoMemory) |
|
469 break; |
|
470 if (ret !=KErrNone) |
|
471 GcOwnerPanic(EWservPanicBitmap); |
|
472 |
|
473 iGdi->BitBltMasked(pData.GdiBltMasked->destination,iScratchBitmap, |
|
474 pData.GdiBltMasked->source, iScratchMaskBitmap, |
|
475 pData.GdiBltMasked->invertMask); |
|
476 iScratchMaskBitmap->Reset(); |
|
477 } |
|
478 break; |
|
479 case EWsGcOpGdiAlphaBlendBitmaps: |
|
480 { |
|
481 TInt ret = iScratchMaskBitmap->Duplicate(pData.AlphaBlendBitmaps->alphaHandle); |
|
482 if (ret == KErrNoMemory) |
|
483 break; |
|
484 if (ret != KErrNone) |
|
485 GcOwnerPanic(EWservPanicBitmap); |
|
486 |
|
487 iGdi->AlphaBlendBitmaps(pData.AlphaBlendBitmaps->point, iScratchBitmap, |
|
488 pData.AlphaBlendBitmaps->source, iScratchMaskBitmap, |
|
489 pData.AlphaBlendBitmaps->alphaPoint); |
|
490 iScratchMaskBitmap->Reset(); |
|
491 break; |
|
492 } |
|
493 case EWsGcOpDrawBitmap: |
|
494 iGdi->DrawBitmap(pData.Bitmap->pos, iScratchBitmap); |
|
495 break; |
|
496 case EWsGcOpDrawBitmap2: |
|
497 iGdi->DrawBitmap(pData.Bitmap2->rect, iScratchBitmap); |
|
498 break; |
|
499 case EWsGcOpDrawBitmap3: |
|
500 iGdi->DrawBitmap(pData.Bitmap3->rect, iScratchBitmap, pData.Bitmap3->srcRect); |
|
501 break; |
|
502 case EWsGcOpDrawBitmapMasked: |
|
503 { |
|
504 TInt ret = iScratchMaskBitmap->Duplicate(pData.iBitmapMasked->iMaskHandle); |
|
505 if (ret == KErrNoMemory) |
|
506 break; |
|
507 if (ret != KErrNone) |
|
508 GcOwnerPanic(EWservPanicBitmap); |
|
509 |
|
510 iGdi->DrawBitmapMasked(pData.iBitmapMasked->iRect, iScratchBitmap, |
|
511 pData.iBitmapMasked->iSrcRect, iScratchMaskBitmap, |
|
512 pData.iBitmapMasked->iInvertMask); |
|
513 iScratchMaskBitmap->Reset(); |
|
514 } |
|
515 break; |
|
516 } |
|
517 iScratchBitmap->Reset(); |
|
518 break; |
|
519 } |
|
520 case EWsGcOpDrawSegmentedPolygon: |
|
521 iGdi->DrawPolygon(iPolyPoints,iPolyPointListSize,pData.DrawSegmentedPolygon->fillRule); |
|
522 break; |
|
523 case EWsGcOpDrawPolygon: |
|
524 DoDrawPolygon(pData.Polygon); |
|
525 break; |
|
526 case EWsGcOpDrawPolyLine: |
|
527 DoDrawPolyLine(pData.PolyLine, EFalse); |
|
528 break; |
|
529 case EWsGcOpDrawPolyLineContinued: |
|
530 DoDrawPolyLine(pData.PolyLine, ETrue); |
|
531 break; |
|
532 case EWsGcOpClear: |
|
533 iGdi->Clear(TRect(iWin->Size())); |
|
534 break; |
|
535 case EWsGcOpClearRect: |
|
536 iGdi->Clear(*pData.Rect); |
|
537 break; |
|
538 case EWsGcOpDrawRect: |
|
539 iGdi->DrawRect(*pData.Rect); |
|
540 break; |
|
541 case EWsGcOpDrawEllipse: |
|
542 iGdi->DrawEllipse(*pData.Rect); |
|
543 break; |
|
544 case EWsGcOpDrawRoundRect: |
|
545 iGdi->DrawRoundRect(*pData.Rect,pData.RoundRect->ellipse); |
|
546 break; |
|
547 case EWsGcOpDrawArc: |
|
548 iGdi->DrawArc(*pData.Rect,pData.ArcOrPie->start,pData.ArcOrPie->end); |
|
549 break; |
|
550 case EWsGcOpDrawPie: |
|
551 iGdi->DrawPie(*pData.Rect,pData.ArcOrPie->start,pData.ArcOrPie->end); |
|
552 break; |
|
553 case EWsGcOpCopyRect: |
|
554 iGdi->CopyRect(pData.CopyRect->pos,*pData.Rect); |
|
555 break; |
|
556 case EWsGcOpMapColors: |
|
557 iGdi->MapColors(pData.MapColors->rect,(TRgb *)(pData.MapColors+1),pData.MapColors->numPairs,pData.MapColors->mapForwards); |
|
558 break; |
|
559 |
|
560 default: |
|
561 GcOwnerPanic(EWservPanicOpcode); |
|
562 } |
|
563 iGdi->SetClippingRegion(NULL); |
|
564 } |
|
565 |
|
566 TInt CWsGc::WsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle) |
|
567 { |
|
568 TInt handle=0; |
|
569 switch(aOpcode) |
|
570 { |
|
571 case EWsGcOpGdiWsBlt2: |
|
572 handle=pData.GdiBlt2->handle; |
|
573 break; |
|
574 case EWsGcOpGdiWsBlt3: |
|
575 handle=pData.GdiBlt3->handle; |
|
576 break; |
|
577 case EWsGcOpGdiWsBltMasked: |
|
578 handle=pData.GdiBltMasked->handle; |
|
579 aMaskHandle = pData.GdiBltMasked->maskHandle; |
|
580 break; |
|
581 case EWsGcOpGdiWsAlphaBlendBitmaps: |
|
582 handle=pData.AlphaBlendBitmaps->bitmapHandle; |
|
583 aMaskHandle = pData.AlphaBlendBitmaps->alphaHandle; |
|
584 break; |
|
585 case EWsGcOpWsDrawBitmapMasked: |
|
586 handle=pData.iBitmapMasked->iHandle; |
|
587 aMaskHandle=pData.iBitmapMasked->iMaskHandle; |
|
588 break; |
|
589 default: |
|
590 OwnerPanic(EWservPanicOpcode); |
|
591 } |
|
592 return handle; |
|
593 } |
|
594 |
|
595 TInt CWsGc::FbsBitmapHandle(TInt aOpcode, const TWsGcCmdUnion &pData, TInt& aMaskHandle) |
|
596 { |
|
597 TInt handle=0; |
|
598 aMaskHandle=0; |
|
599 switch(aOpcode) |
|
600 { |
|
601 case EWsGcOpGdiBlt2: |
|
602 handle=pData.GdiBlt2->handle; |
|
603 break; |
|
604 case EWsGcOpGdiBlt3: |
|
605 handle=pData.GdiBlt3->handle; |
|
606 break; |
|
607 case EWsGcOpGdiBltMasked: |
|
608 handle=pData.GdiBltMasked->handle; |
|
609 aMaskHandle=pData.GdiBltMasked->maskHandle; |
|
610 break; |
|
611 case EWsGcOpGdiAlphaBlendBitmaps: |
|
612 handle=pData.AlphaBlendBitmaps->bitmapHandle; |
|
613 aMaskHandle=pData.AlphaBlendBitmaps->alphaHandle; |
|
614 break; |
|
615 case EWsGcOpDrawBitmap: |
|
616 handle=pData.Bitmap->handle; |
|
617 break; |
|
618 case EWsGcOpDrawBitmap2: |
|
619 handle=pData.Bitmap2->handle; |
|
620 break; |
|
621 case EWsGcOpDrawBitmap3: |
|
622 handle=pData.Bitmap3->handle; |
|
623 break; |
|
624 case EWsGcOpDrawBitmapMasked: |
|
625 handle=pData.iBitmapMasked->iHandle; |
|
626 aMaskHandle=pData.iBitmapMasked->iMaskHandle; |
|
627 break; |
|
628 default: |
|
629 OwnerPanic(EWservPanicOpcode); |
|
630 } |
|
631 return handle; |
|
632 } |
|
633 |
|
634 |
|
635 void CWsGc::UpdateJustification(TText* aText,TInt aLen) |
|
636 { |
|
637 iGdi->UpdateJustification(BufferTPtr(aText,aLen)); |
|
638 } |
|
639 |
|
640 void CWsGc::DoDrawing2(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData) |
|
641 { |
|
642 iGdi->SetUserDisplayMode(iWin->DisplayMode()); |
|
643 if (iClippingRectSet) |
|
644 { |
|
645 iGdi->SetOrigin(TPoint(0,0)); |
|
646 iGdi->SetClippingRect(iClippingRect); |
|
647 } |
|
648 iGdi->SetOrigin(iOrigin); |
|
649 |
|
650 DoDrawCommand(aOpcode,pData,iUserDefinedClippingRegion); |
|
651 |
|
652 iGdi->SetUserDisplayMode(ENone); |
|
653 iGdi->CancelClippingRect(); |
|
654 switch(aOpcode) |
|
655 { |
|
656 case EWsGcOpDrawLine: |
|
657 iLinePos=pData.DrawLine->pnt2; |
|
658 break; |
|
659 case EWsGcOpDrawTo: |
|
660 case EWsGcOpMoveTo: |
|
661 case EWsGcOpPlot: |
|
662 iLinePos=(*pData.Point); |
|
663 break; |
|
664 case EWsGcOpDrawBy: |
|
665 case EWsGcOpMoveBy: |
|
666 iLinePos+=(*pData.Point); |
|
667 break; |
|
668 case EWsGcOpDrawSegmentedPolygon: |
|
669 EndSegmentedPolygon(); |
|
670 break; |
|
671 case EWsGcOpDrawText: |
|
672 UpdateJustification((TText *)(pData.DrawText+1),pData.DrawText->length); |
|
673 break; |
|
674 case EWsGcOpDrawTextVertical: |
|
675 UpdateJustification((TText *)(pData.DrawTextVertical+1),pData.DrawTextVertical->length); |
|
676 break; |
|
677 case EWsGcOpDrawBoxText: |
|
678 UpdateJustification((TText *)(pData.BoxText+1),pData.BoxText->length); |
|
679 break; |
|
680 case EWsGcOpDrawBoxTextOptimised1: |
|
681 UpdateJustification((TText *)(pData.BoxTextO1+1),pData.BoxTextO1->length); |
|
682 break; |
|
683 case EWsGcOpDrawBoxTextOptimised2: |
|
684 UpdateJustification((TText *)(pData.BoxTextO2+1),pData.BoxTextO2->length); |
|
685 break; |
|
686 case EWsGcOpDrawBoxTextVertical: |
|
687 UpdateJustification((TText *)(pData.DrawBoxTextVertical+1),pData.DrawBoxTextVertical->length); |
|
688 break; |
|
689 case EWsGcOpDrawTextLocal: |
|
690 iGdi->UpdateJustification(*pData.DrawTextLocal->desc); |
|
691 break; |
|
692 case EWsGcOpDrawBoxTextLocal: |
|
693 iGdi->UpdateJustification(*pData.BoxTextLocal->desc); |
|
694 break; |
|
695 case EWsGcOpDrawTextPtr: |
|
696 iGdi->UpdateJustification(*pData.DrawTextPtr->text); |
|
697 break; |
|
698 case EWsGcOpDrawTextVerticalPtr: |
|
699 iGdi->UpdateJustification(*pData.DrawTextVerticalPtr->text); |
|
700 break; |
|
701 case EWsGcOpDrawBoxTextPtr: |
|
702 iGdi->UpdateJustification(*pData.DrawBoxTextPtr->text); |
|
703 break; |
|
704 case EWsGcOpDrawBoxTextVerticalPtr: |
|
705 iGdi->UpdateJustification(*pData.DrawBoxTextVerticalPtr->text); |
|
706 break; |
|
707 } |
|
708 } |
|
709 |
|
710 void CWsGc::DoDrawing1(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData) |
|
711 { |
|
712 TWsGcLargeStruct newData; |
|
713 TWsGcCmdUnion pNewData; |
|
714 TWsGcOpcodes opcode; |
|
715 TDesC **string; |
|
716 TInt toGo; |
|
717 pNewData.LargeStruct=&newData; |
|
718 switch (aOpcode) |
|
719 { |
|
720 case EWsGcOpDrawTextPtr: |
|
721 WS_ASSERT_DEBUG(sizeof(TWsGcLargeStruct)>=sizeof(TWsGcCmdDrawTextPtr), EWsPanicGcStructSizeError); |
|
722 opcode=EWsGcOpDrawTextPtr1; |
|
723 toGo=pData.DrawText->length; |
|
724 pNewData.DrawTextPtr->pos=pData.DrawText->pos; |
|
725 string=&(pNewData.DrawTextPtr->text); |
|
726 break; |
|
727 case EWsGcOpDrawTextVerticalPtr: |
|
728 WS_ASSERT_DEBUG(sizeof(TWsGcLargeStruct)>=sizeof(TWsGcCmdDrawTextVerticalPtr), EWsPanicGcStructSizeError); |
|
729 opcode=EWsGcOpDrawTextVerticalPtr1; |
|
730 toGo=pData.DrawTextVertical->length; |
|
731 pNewData.DrawTextVerticalPtr->pos=pData.DrawTextVertical->pos; |
|
732 pNewData.DrawTextVerticalPtr->up=pData.DrawTextVertical->up; |
|
733 string=&(pNewData.DrawTextVerticalPtr->text); |
|
734 break; |
|
735 |
|
736 case EWsGcOpDrawBoxTextPtr: |
|
737 WS_ASSERT_DEBUG(sizeof(TWsGcLargeStruct)>=sizeof(TWsGcCmdBoxTextPtr), EWsPanicGcStructSizeError); |
|
738 opcode=EWsGcOpDrawBoxTextPtr1; |
|
739 toGo=pData.BoxText->length; |
|
740 pNewData.DrawBoxTextPtr->box=pData.BoxText->box; |
|
741 pNewData.DrawBoxTextPtr->baselineOffset=pData.BoxText->baselineOffset; |
|
742 pNewData.DrawBoxTextPtr->horiz=pData.BoxText->horiz; |
|
743 pNewData.DrawBoxTextPtr->leftMrg=pData.BoxText->leftMrg; |
|
744 pNewData.DrawBoxTextPtr->width=pData.BoxText->width; |
|
745 string=&(pNewData.DrawBoxTextPtr->text); |
|
746 break; |
|
747 |
|
748 case EWsGcOpDrawBoxTextVerticalPtr: |
|
749 WS_ASSERT_DEBUG(sizeof(TWsGcLargeStruct)>=sizeof(TWsGcCmdBoxTextVerticalPtr), EWsPanicGcStructSizeError); |
|
750 opcode=EWsGcOpDrawBoxTextVerticalPtr1; |
|
751 toGo=pData.DrawBoxTextVertical->length; |
|
752 pNewData.DrawBoxTextVerticalPtr->box=pData.DrawBoxTextVertical->box; |
|
753 pNewData.DrawBoxTextVerticalPtr->baselineOffset=pData.DrawBoxTextVertical->baselineOffset; |
|
754 pNewData.DrawBoxTextVerticalPtr->up=pData.DrawBoxTextVertical->up; |
|
755 pNewData.DrawBoxTextVerticalPtr->vert=pData.DrawBoxTextVertical->vert; |
|
756 pNewData.DrawBoxTextVerticalPtr->margin=pData.DrawBoxTextVertical->margin; |
|
757 pNewData.DrawBoxTextVerticalPtr->width=pData.DrawBoxTextVertical->width; |
|
758 string=&(pNewData.DrawBoxTextVerticalPtr->text); |
|
759 break; |
|
760 |
|
761 default: |
|
762 DoDrawing2(aOpcode,pData); |
|
763 return; |
|
764 } |
|
765 |
|
766 TBuf<ETextPtrBufLen> buf; |
|
767 TInt len=ETextPtrBufLen; |
|
768 TInt bufOffset=0; |
|
769 *string=&buf; |
|
770 while(toGo>0) |
|
771 { |
|
772 if (len>toGo) |
|
773 len=toGo; |
|
774 iWsOwner->RemoteRead(buf,bufOffset); |
|
775 DoDrawing2(aOpcode,pNewData); |
|
776 aOpcode=opcode; |
|
777 bufOffset+=len; |
|
778 toGo-=len; |
|
779 } |
|
780 } |
|
781 |
|
782 void CWsGc::SetGcAttribute(TInt aOpcode, TWsGcCmdUnion pData) |
|
783 { |
|
784 switch(aOpcode) |
|
785 { |
|
786 case EWsGcOpSetDrawMode: |
|
787 iGdi->SetDrawMode((CGraphicsContext::TDrawMode)*pData.UInt); |
|
788 break; |
|
789 case EWsGcOpUseFont: |
|
790 if (CWsFontCache::Instance()->UseFont(iFont, *pData.UInt)) |
|
791 { // Couldn't cache it |
|
792 TInt ret = iGdi->UseFont(*pData.UInt); |
|
793 if (ret == KErrNoMemory) |
|
794 return; |
|
795 if (ret != KErrNone) |
|
796 OwnerPanic(EWservPanicFont); |
|
797 } |
|
798 else |
|
799 { |
|
800 if (iFont==NULL) |
|
801 OwnerPanic(EWservPanicFont); |
|
802 iGdi->UseFontNoDuplicate(iFont); |
|
803 } |
|
804 break; |
|
805 case EWsGcOpDiscardFont: |
|
806 CWsFontCache::Instance()->ReleaseFont(iFont); |
|
807 iGdi->DiscardFont(); |
|
808 break; |
|
809 case EWsGcOpSetUnderlineStyle: |
|
810 iGdi->SetUnderlineStyle(*pData.SetUnderlineStyle); |
|
811 break; |
|
812 case EWsGcOpSetStrikethroughStyle: |
|
813 iGdi->SetStrikethroughStyle(*pData.SetStrikethroughStyle); |
|
814 break; |
|
815 case EWsGcOpUseBrushPattern: |
|
816 { |
|
817 TInt ret = iGdi->UseBrushPattern(*pData.handle); |
|
818 if (ret == KErrNoMemory) |
|
819 return; |
|
820 if (ret != KErrNone) |
|
821 OwnerPanic(EWservPanicBitmap); |
|
822 } |
|
823 break; |
|
824 case EWsGcOpDiscardBrushPattern: |
|
825 iGdi->DiscardBrushPattern(); |
|
826 break; |
|
827 case EWsGcOpSetBrushColor: |
|
828 iGdi->SetBrushColor(*pData.rgb); |
|
829 break; |
|
830 case EWsGcOpSetPenColor: |
|
831 iGdi->SetPenColor(*pData.rgb); |
|
832 break; |
|
833 case EWsGcOpSetPenStyle: |
|
834 iGdi->SetPenStyle((CGraphicsContext::TPenStyle)*pData.UInt); |
|
835 break; |
|
836 case EWsGcOpSetPenSize: |
|
837 iGdi->SetPenSize(*pData.Size); |
|
838 break; |
|
839 case EWsGcOpSetBrushStyle: |
|
840 if ((CGraphicsContext::TBrushStyle)*pData.UInt==CGraphicsContext::EPatternedBrush && |
|
841 !iGdi->IsBrushPatternUsed()) |
|
842 OwnerPanic(EWservPanicNoBrush); |
|
843 iGdi->SetBrushStyle((CGraphicsContext::TBrushStyle)*pData.UInt); |
|
844 break; |
|
845 case EWsGcOpReset: |
|
846 CWsFontCache::Instance()->ReleaseFont(iFont); |
|
847 iGdi->Reset(); |
|
848 iOrigin.SetXY(0,0); |
|
849 ResetClippingRect(); |
|
850 iGdi->SetBrushColor(iWin->BackColor()); |
|
851 break; |
|
852 case EWsGcOpSetBrushOrigin: |
|
853 iGdi->SetBrushOrigin(*pData.Point); |
|
854 break; |
|
855 case EWsGcOpSetDitherOrigin: |
|
856 iGdi->SetDitherOrigin(*pData.Point); |
|
857 break; |
|
858 case EWsGcOpSetWordJustification: |
|
859 iGdi->SetWordJustification(pData.SetJustification->excessWidth, pData.SetJustification->numGaps); |
|
860 break; |
|
861 case EWsGcOpSetCharJustification: |
|
862 iGdi->SetCharJustification(pData.SetJustification->excessWidth, pData.SetJustification->numGaps); |
|
863 break; |
|
864 case EWsGcOpSetOrigin: |
|
865 SetOrigin(*pData.Point); |
|
866 break; |
|
867 case EWsGcOpSetOpaque: |
|
868 //SetOpaque(*pData.Bool); |
|
869 break; |
|
870 case EWsGcOpSetShadowColor: |
|
871 iGdi->SetShadowColor(*pData.rgb); |
|
872 break; |
|
873 } |
|
874 } |
|
875 |
|
876 void CWsGc::DoDrawing0L(TWsGcOpcodes aOpcode, const TWsGcCmdUnion &pData) |
|
877 { |
|
878 if (iWin==NULL) |
|
879 { |
|
880 OwnerPanic(EWservPanicGcNotActive); |
|
881 return; |
|
882 } |
|
883 |
|
884 switch(aOpcode) |
|
885 { |
|
886 case EWsGcOpStartSegmentedDrawPolygon: |
|
887 // Andy - why are these two special cased like this? |
|
888 //tell Redraw Store about the drawing data, so that it is stored and CWsGc::ExternalizeL can be called if required |
|
889 if (iWin->Redraw()->DrawCommand(this,pData.any)) |
|
890 StartSegmentedDrawPolygonL(pData.StartSegmentedDrawPolygon); |
|
891 return; |
|
892 case EWsGcOpSegmentedDrawPolygonData: |
|
893 //tell Redraw Store about the drawing data, so that it is stored and CWsGc::ExternalizeL can be called if required |
|
894 if (iWin->Redraw()->DrawCommand(this,pData.any)) |
|
895 SegmentedDrawPolygonData(pData.SegmentedDrawPolygonData); |
|
896 return; |
|
897 case EWsGcOpSetClippingRegion: |
|
898 SetClippingRegionL(*pData.Int); |
|
899 break; |
|
900 case EWsGcOpSetClippingRect: |
|
901 SetClippingRect(*pData.Rect); |
|
902 break; |
|
903 case EWsGcOpCancelClippingRect: |
|
904 ResetClippingRect(); |
|
905 break; |
|
906 case EWsGcOpCancelClippingRegion: |
|
907 CancelClippingRegion(); |
|
908 break; |
|
909 case EWsGcOpSetFaded: |
|
910 iGdi->SetFaded(*pData.Bool); |
|
911 break; |
|
912 case EWsGcOpSetFadeParams: |
|
913 iGdi->SetFadingParameters(WservEncoding::ExtractFirst8BitValue(*pData.UInt),WservEncoding::ExtractSecond8BitValue(*pData.UInt)); |
|
914 break; |
|
915 case EWsGcOpSetDrawMode: |
|
916 case EWsGcOpUseFont: |
|
917 case EWsGcOpDiscardFont: |
|
918 case EWsGcOpUseBrushPattern: |
|
919 case EWsGcOpDiscardBrushPattern: |
|
920 case EWsGcOpSetBrushColor: |
|
921 case EWsGcOpSetPenColor: |
|
922 case EWsGcOpSetPenStyle: |
|
923 case EWsGcOpSetPenSize: |
|
924 case EWsGcOpSetBrushStyle: |
|
925 case EWsGcOpReset: |
|
926 case EWsGcOpSetBrushOrigin: |
|
927 case EWsGcOpSetDitherOrigin: |
|
928 case EWsGcOpSetUnderlineStyle: |
|
929 case EWsGcOpSetStrikethroughStyle: |
|
930 case EWsGcOpSetWordJustification: |
|
931 case EWsGcOpSetCharJustification: |
|
932 case EWsGcOpSetOrigin: |
|
933 case EWsGcOpSetOpaque: |
|
934 case EWsGcOpSetShadowColor: |
|
935 { |
|
936 SetGcAttribute(aOpcode,pData); |
|
937 break; |
|
938 } |
|
939 case EWsGcOpDrawBoxText: |
|
940 case EWsGcOpDrawBoxTextOptimised1: |
|
941 case EWsGcOpDrawBoxTextOptimised2: |
|
942 case EWsGcOpDrawBoxTextPtr: |
|
943 case EWsGcOpDrawBoxTextPtr1: |
|
944 case EWsGcOpDrawTextPtr: |
|
945 case EWsGcOpDrawTextPtr1: |
|
946 case EWsGcOpDrawText: |
|
947 case EWsGcOpDrawTextVertical: |
|
948 case EWsGcOpDrawTextVerticalPtr: |
|
949 case EWsGcOpDrawTextVerticalPtr1: |
|
950 case EWsGcOpDrawBoxTextVertical: |
|
951 case EWsGcOpDrawBoxTextVerticalPtr: |
|
952 case EWsGcOpDrawBoxTextVerticalPtr1: |
|
953 case EWsGcOpDrawTextLocal: |
|
954 case EWsGcOpDrawBoxTextLocal: |
|
955 { |
|
956 //Make sure a font is set before any text related opcodes are used. |
|
957 if (!iGdi->IsFontUsed()) |
|
958 OwnerPanic(EWservPanicNoFont); |
|
959 //fall through |
|
960 } |
|
961 default: // Assume remaining functions will draw |
|
962 { |
|
963 if (iWin->WinType()!=EWinTypeRoot) |
|
964 { |
|
965 if (!iWin->BaseParent()) |
|
966 OwnerPanic(EWservPanicParentDeleted); |
|
967 if (iWin->WinType()!=EWinTypeClient) |
|
968 OwnerPanic(EWservPanicReadOnlyDrawable); |
|
969 } |
|
970 if (iWin->Redraw()->DrawCommand(this,pData.any)) |
|
971 DoDrawing1(aOpcode,pData); |
|
972 return; |
|
973 } |
|
974 } |
|
975 iWin->Redraw()->GcAttributeChange(this,pData.any); |
|
976 } |
|
977 |
|
978 void CWsGc::CommandL(TInt aOpcode, const TAny *aCmdData) |
|
979 { |
|
980 TWsGcOpcodes opcode = static_cast<TWsGcOpcodes>(aOpcode); |
|
981 |
|
982 TWsGcCmdUnion pData; |
|
983 pData.any=aCmdData; |
|
984 switch(opcode) |
|
985 { |
|
986 case EWsGcOpActivate: |
|
987 Activate(*pData.handle); |
|
988 break; |
|
989 case EWsGcOpDeactivate: |
|
990 Deactivate(); |
|
991 break; |
|
992 case EWsGcOpFree: |
|
993 delete this; |
|
994 break; |
|
995 case EWsGcOpTestInvariant: |
|
996 break; |
|
997 default: |
|
998 DoDrawing0L(opcode,pData); |
|
999 break; |
|
1000 } |
|
1001 } |
|
1002 |
|
1003 void CWsGc::SetOrigin(const TPoint &aOrigin) |
|
1004 { |
|
1005 iOrigin=aOrigin; |
|
1006 } |
|
1007 |
|
1008 |
|
1009 void CWsGc::SetOpaque(TBool /*aDrawOpaque*/) |
|
1010 { |
|
1011 } |
|
1012 |
|
1013 /*------------------------------------------------------------------------------ |
|
1014 Description: Saves graphics context information into a given buffer from a |
|
1015 given start position rather than just streaming data to the end. |
|
1016 This variant allows for buffers that are not fully utilised. |
|
1017 -----------------------------------------------------------------------------*/ |
|
1018 TInt CWsGc::ExternalizeL(CBufBase& aBuffer, TInt aStartPos) |
|
1019 { |
|
1020 WS_ASSERT_DEBUG(!IsPolyPointData(), EWsPanicDrawCommandsInvalidState); |
|
1021 |
|
1022 // Open the stream used for the output from the given start position |
|
1023 // in the buffer. |
|
1024 RBufWriteStream bufWriteStream; |
|
1025 bufWriteStream.Open(aBuffer, aStartPos); |
|
1026 CleanupClosePushL(bufWriteStream); |
|
1027 |
|
1028 // Font/Bitmap Server data is serialised below in a call to |
|
1029 // CFbsBitGc::ExternalizeL(). As this method does not return the amount of |
|
1030 // the data externalised we use methods in the underlying stream to |
|
1031 // calculate it. We do this because we need to return an accurate count of |
|
1032 // data serialised from this method so that the caller can update its |
|
1033 // buffer write counter. |
|
1034 MStreamBuf* ptrToRawStream = bufWriteStream.Sink(); // This is the real stream |
|
1035 |
|
1036 // Position of read seek pointer before externalise |
|
1037 TStreamPos size1 = ptrToRawStream->TellL(MStreamBuf::EWrite); |
|
1038 |
|
1039 // Save the font/bitmap server data |
|
1040 iGdi->ExternalizeL(bufWriteStream); |
|
1041 |
|
1042 bufWriteStream.WriteInt32L(iOrigin.iX); |
|
1043 bufWriteStream.WriteInt32L(iOrigin.iY); |
|
1044 |
|
1045 bufWriteStream.WriteInt8L(iClippingRectSet); |
|
1046 |
|
1047 // If there is a clipping rectangle output that too. |
|
1048 if (iClippingRectSet) |
|
1049 { |
|
1050 bufWriteStream << iClippingRect; |
|
1051 } |
|
1052 |
|
1053 // Save clipping region data. |
|
1054 ExternalizeClippingRegionL(bufWriteStream); |
|
1055 |
|
1056 // Save the Alpha values for Brush and Pen colors. |
|
1057 ExternalizeAlphaValueL(bufWriteStream); |
|
1058 |
|
1059 // Position of read seek pointer after externalise |
|
1060 TStreamPos size2 = ptrToRawStream->TellL(MStreamBuf::EWrite); |
|
1061 CleanupStack::PopAndDestroy(&bufWriteStream); |
|
1062 |
|
1063 // Return actual size of data serialized |
|
1064 return (size2 - size1); |
|
1065 } |
|
1066 |
|
1067 /*------------------------------------------------------------------------------ |
|
1068 Description: Saves TRgb::alpha value information into a given buffer. |
|
1069 ----------------------------------------------------------------------------*/ |
|
1070 void CWsGc::ExternalizeAlphaValueL(RWriteStream& aWriteStream) |
|
1071 { |
|
1072 aWriteStream.WriteUint8L(iGdi->BrushColor().Alpha()); |
|
1073 aWriteStream.WriteUint8L(iGdi->PenColor().Alpha()); |
|
1074 } |
|
1075 |
|
1076 /*------------------------------------------------------------------------------ |
|
1077 Description: Helper method to store clipping region data to a given |
|
1078 write stream. |
|
1079 -----------------------------------------------------------------------------*/ |
|
1080 TInt CWsGc::ExternalizeClippingRegionL(RWriteStream& aWriteStream) |
|
1081 { |
|
1082 TBool clipRegion = (iUserDefinedClippingRegion != NULL); |
|
1083 // Store flag to indicate if client has defined a clipping region |
|
1084 aWriteStream.WriteInt8L(clipRegion); |
|
1085 // Store client clipping region data if it exists |
|
1086 if (clipRegion) |
|
1087 { |
|
1088 return ExternalizeRegionL(aWriteStream, *iUserDefinedClippingRegion) + sizeof(TInt8); |
|
1089 } |
|
1090 return sizeof(TInt8); |
|
1091 } |
|
1092 |