svgtopt/SVG/SVGEngine/src/SVGFourPointRect.cpp
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     1 /*
       
     2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  SVG Engine header file
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 #include "SVGFourPointRect.h"
       
    20 
       
    21 // ---------------------------------------------------------------------------
       
    22 // Constructor
       
    23 // ---------------------------------------------------------------------------
       
    24 TSvgFourPointRect::TSvgFourPointRect( )
       
    25 {
       
    26 	iPoint1.iX = 0;
       
    27    	iPoint1.iY = 0;
       
    28 
       
    29    	iPoint2.iX = 0;
       
    30    	iPoint2.iY = 0;
       
    31 
       
    32    	iPoint3.iX = 0;
       
    33    	iPoint3.iY = 0;
       
    34 
       
    35    	iPoint4.iX = 0;
       
    36    	iPoint4.iY = 0;
       
    37 }
       
    38 
       
    39 
       
    40 // --------------------------------------------------------------------------
       
    41 // TSvgFourPointRect::TSvgFourPointRect( TGfxRectangle2D aRect )
       
    42 // ---------------------------------------------------------------------------
       
    43 TSvgFourPointRect::TSvgFourPointRect( TGfxRectangle2D aRect )
       
    44 {
       
    45     	iPoint1.iX = aRect.iX;
       
    46     	iPoint1.iY = aRect.iY;
       
    47 
       
    48     	iPoint2.iX = aRect.iX + aRect.iWidth;
       
    49     	iPoint2.iY = aRect.iY;
       
    50 
       
    51     	iPoint3.iX = aRect.iX;
       
    52     	iPoint3.iY = aRect.iY + aRect.iHeight;
       
    53 
       
    54     	iPoint4.iX = aRect.iX + aRect.iWidth;
       
    55     	iPoint4.iY = aRect.iY + aRect.iHeight;
       
    56 
       
    57 }
       
    58 
       
    59 // --------------------------------------------------------------------------
       
    60 // void TSvgFourPointRect::SetRectPoints( TGfxRectangle2D aRect )
       
    61 // ---------------------------------------------------------------------------
       
    62 void TSvgFourPointRect::SetRectPoints( TGfxRectangle2D aRect )
       
    63 {
       
    64     	iPoint1.iX = aRect.iX;
       
    65     	iPoint1.iY = aRect.iY;
       
    66 
       
    67     	iPoint2.iX = aRect.iX + aRect.iWidth;
       
    68     	iPoint2.iY = aRect.iY;
       
    69 
       
    70     	iPoint3.iX = aRect.iX;
       
    71     	iPoint3.iY = aRect.iY + aRect.iHeight;
       
    72 
       
    73     	iPoint4.iX = aRect.iX + aRect.iWidth;
       
    74     	iPoint4.iY = aRect.iY + aRect.iHeight;
       
    75 
       
    76 }
       
    77 
       
    78 // --------------------------------------------------------------------------
       
    79 // TSvgFourPointRect::TSvgFourPointRect( TFloatFixPt aX, TFloatFixPt aY, TFloatFixPt aWidth, TFloatFixPt aHeight )
       
    80 // ---------------------------------------------------------------------------
       
    81 TSvgFourPointRect::TSvgFourPointRect( TFloatFixPt aX, TFloatFixPt aY, TFloatFixPt aWidth, TFloatFixPt aHeight )
       
    82 {
       
    83 		iPoint1.iX = aX;
       
    84     	iPoint1.iY = aY;
       
    85 
       
    86     	iPoint2.iX = aX + aWidth;
       
    87     	iPoint2.iY = aY;
       
    88 
       
    89     	iPoint3.iX = aX;
       
    90     	iPoint3.iY = aY + aHeight;
       
    91 
       
    92     	iPoint4.iX = aX + aWidth;
       
    93     	iPoint4.iY = aY + aHeight;
       
    94 }
       
    95 
       
    96 // --------------------------------------------------------------------------
       
    97 // void TSvgFourPointRect::SetRectPoints( TFloatFixPt aX, TFloatFixPt aY, TFloatFixPt aWidth, TFloatFixPt aHeight )
       
    98 // ---------------------------------------------------------------------------
       
    99 void TSvgFourPointRect::SetRectPoints( TFloatFixPt aX, TFloatFixPt aY, TFloatFixPt aWidth, TFloatFixPt aHeight )
       
   100 {
       
   101 		iPoint1.iX = aX;
       
   102     	iPoint1.iY = aY;
       
   103 
       
   104     	iPoint2.iX = aX + aWidth;
       
   105     	iPoint2.iY = aY;
       
   106 
       
   107     	iPoint3.iX = aX;
       
   108     	iPoint3.iY = aY + aHeight;
       
   109 
       
   110     	iPoint4.iX = aX + aWidth;
       
   111     	iPoint4.iY = aY + aHeight;
       
   112 }
       
   113 
       
   114 
       
   115 
       
   116 
       
   117 // --------------------------------------------------------------------------
       
   118 // TSvgFourPointRect::TSvgFourPointRect(TGfxPoint2D aPoint1, TGfxPoint2D aPoint2, TGfxPoint2D aPoint3, TGfxPoint2D aPoint4)
       
   119 // ---------------------------------------------------------------------------
       
   120 TSvgFourPointRect::TSvgFourPointRect(TGfxPoint2D aPoint1, TGfxPoint2D aPoint2, TGfxPoint2D aPoint3, TGfxPoint2D aPoint4)
       
   121 {
       
   122 	iPoint1 = aPoint1;
       
   123 	iPoint2 = aPoint2;
       
   124 	iPoint3 = aPoint3;
       
   125 	iPoint4 = aPoint4;
       
   126 }
       
   127 
       
   128 
       
   129 // --------------------------------------------------------------------------
       
   130 // void TSvgFourPointRect::SetRectPoints(TGfxPoint2D aPoint1, TGfxPoint2D aPoint2, TGfxPoint2D aPoint3, TGfxPoint2D aPoint4)
       
   131 // ---------------------------------------------------------------------------
       
   132 void TSvgFourPointRect::SetRectPoints(TGfxPoint2D aPoint1, TGfxPoint2D aPoint2, TGfxPoint2D aPoint3, TGfxPoint2D aPoint4)
       
   133 {
       
   134 	iPoint1 = aPoint1;
       
   135 	iPoint2 = aPoint2;
       
   136 	iPoint3 = aPoint3;
       
   137 	iPoint4 = aPoint4;
       
   138 }
       
   139 
       
   140 // --------------------------------------------------------------------------
       
   141 // TSvgFourPointRect::TSvgFourPointRect(TPoint aPoint1, TPoint aPoint2, TPoint aPoint3, TPoint aPoint4)
       
   142 // ---------------------------------------------------------------------------
       
   143 TSvgFourPointRect::TSvgFourPointRect(TPoint aPoint1, TPoint aPoint2, TPoint aPoint3, TPoint aPoint4)
       
   144 {
       
   145 	iPoint1.iX = TFloatFixPt(aPoint1.iX);
       
   146 	iPoint2.iX = TFloatFixPt(aPoint2.iX);
       
   147 	iPoint3.iX = TFloatFixPt(aPoint3.iX);
       
   148 	iPoint4.iX = TFloatFixPt(aPoint4.iX);
       
   149 	iPoint1.iY = TFloatFixPt(aPoint1.iY);
       
   150 	iPoint2.iY = TFloatFixPt(aPoint2.iY);
       
   151 	iPoint3.iY = TFloatFixPt(aPoint3.iY);
       
   152 	iPoint4.iY = TFloatFixPt(aPoint4.iY);
       
   153 
       
   154 }
       
   155 
       
   156 // --------------------------------------------------------------------------
       
   157 // void TSvgFourPointRect::SetRectPoints(TPoint aPoint1, TPoint aPoint2, TPoint aPoint3, TPoint aPoint4)
       
   158 // ---------------------------------------------------------------------------
       
   159 void TSvgFourPointRect::SetRectPoints(TPoint aPoint1, TPoint aPoint2, TPoint aPoint3, TPoint aPoint4)
       
   160 {
       
   161 	iPoint1.iX = TFloatFixPt(aPoint1.iX);
       
   162 	iPoint2.iX = TFloatFixPt(aPoint2.iX);
       
   163 	iPoint3.iX = TFloatFixPt(aPoint3.iX);
       
   164 	iPoint4.iX = TFloatFixPt(aPoint4.iX);
       
   165 	iPoint1.iY = TFloatFixPt(aPoint1.iY);
       
   166 	iPoint2.iY = TFloatFixPt(aPoint2.iY);
       
   167 	iPoint3.iY = TFloatFixPt(aPoint3.iY);
       
   168 	iPoint4.iY = TFloatFixPt(aPoint4.iY);
       
   169 
       
   170 }
       
   171 
       
   172 
       
   173 // --------------------------------------------------------------------------
       
   174 // void TSvgFourPointRect::GetPoints(TPoint& aPoint1, TPoint& aPoint2, TPoint& aPoint3, TPoint& aPoint4) const
       
   175 // ---------------------------------------------------------------------------
       
   176 void TSvgFourPointRect::GetPoints(TPoint& aPoint1, TPoint& aPoint2, TPoint& aPoint3, TPoint& aPoint4) const
       
   177 {
       
   178 		aPoint1.iX = (TInt)iPoint1.iX;
       
   179 		aPoint1.iY = (TInt)iPoint1.iY;
       
   180 
       
   181 		aPoint2.iX = (TInt)iPoint2.iX;
       
   182 		aPoint2.iY = (TInt)iPoint2.iY;
       
   183 
       
   184 		aPoint3.iX = (TInt)iPoint3.iX;
       
   185 		aPoint3.iY = (TInt)iPoint3.iY;
       
   186 
       
   187 		aPoint4.iX = (TInt)iPoint4.iX;
       
   188 		aPoint4.iY = (TInt)iPoint4.iY;
       
   189 }
       
   190 
       
   191 // --------------------------------------------------------------------------
       
   192 // void TSvgFourPointRect::GetPoints(TGfxPoint2D& aPoint1, TGfxPoint2D& aPoint2, TGfxPoint2D& aPoint3, TGfxPoint2D& aPoint4)
       
   193 // ---------------------------------------------------------------------------
       
   194 void TSvgFourPointRect::GetPoints(TGfxPoint2D& aPoint1, TGfxPoint2D& aPoint2, TGfxPoint2D& aPoint3, TGfxPoint2D& aPoint4)
       
   195 {
       
   196 		aPoint1 = iPoint1;
       
   197 		aPoint2 = iPoint2;
       
   198 		aPoint3 = iPoint3;
       
   199 		aPoint4 = iPoint4;
       
   200 }
       
   201 
       
   202 
       
   203 // --------------------------------------------------------------------------
       
   204 // void TSvgFourPointRect::GetTRect(TRect& aRect)
       
   205 // ---------------------------------------------------------------------------
       
   206 void TSvgFourPointRect::GetTRect(TRect& aRect)
       
   207 {
       
   208 
       
   209 	TFloatFixPt lMaxX = iPoint1.iX;
       
   210 
       
   211     if (iPoint2.iX > lMaxX)
       
   212     {
       
   213     	lMaxX = iPoint2.iX;
       
   214     }
       
   215     if (iPoint3.iX > lMaxX)
       
   216     {
       
   217     	lMaxX = iPoint3.iX;
       
   218     }
       
   219     if (iPoint4.iX > lMaxX)
       
   220     {
       
   221     	lMaxX = iPoint4.iX;
       
   222     }
       
   223 
       
   224     TFloatFixPt lMaxY = iPoint1.iY;
       
   225 
       
   226     if (iPoint2.iY > lMaxY)
       
   227     {
       
   228     	lMaxY = iPoint2.iY;
       
   229     }
       
   230     if (iPoint3.iY > lMaxY)
       
   231     {
       
   232     	lMaxY = iPoint3.iY;
       
   233     }
       
   234     if (iPoint4.iY > lMaxY)
       
   235     {
       
   236     	lMaxY = iPoint4.iY;
       
   237     }
       
   238 
       
   239    	TFloatFixPt lMinX = iPoint1.iX;
       
   240 
       
   241     if (iPoint2.iX < lMinX)
       
   242     {
       
   243     	lMinX = iPoint2.iX;
       
   244     }
       
   245     if (iPoint3.iX < lMinX)
       
   246     {
       
   247     	lMinX = iPoint3.iX;
       
   248     }
       
   249     if (iPoint4.iX < lMinX)
       
   250     {
       
   251     	lMinX = iPoint4.iX;
       
   252     }
       
   253 
       
   254     TFloatFixPt lMinY = iPoint1.iY;
       
   255 
       
   256     if (iPoint2.iY < lMinY)
       
   257     {
       
   258     	lMinY = iPoint2.iY;
       
   259     }
       
   260     if (iPoint3.iY < lMinY)
       
   261     {
       
   262     	lMinY = iPoint3.iY;
       
   263     }
       
   264     if (iPoint4.iY < lMinY)
       
   265     {
       
   266     	lMinY = iPoint4.iY;
       
   267     }
       
   268 
       
   269     aRect.iBr.iX = lMaxX;
       
   270     aRect.iBr.iY = lMaxY;
       
   271     aRect.iTl.iX = lMinX;
       
   272     aRect.iTl.iY = lMinY;
       
   273 
       
   274 }
       
   275 
       
   276 
       
   277 // --------------------------------------------------------------------------
       
   278 // void TSvgFourPointRect::GetTRect(TGfxRectangle2D& aRect)
       
   279 // ---------------------------------------------------------------------------
       
   280 void TSvgFourPointRect::GetTRect(TGfxRectangle2D& aRect)
       
   281 {
       
   282 
       
   283 	TFloatFixPt lMaxX = iPoint1.iX;
       
   284 
       
   285     if (iPoint2.iX > lMaxX)
       
   286     {
       
   287     	lMaxX = iPoint2.iX;
       
   288     }
       
   289     if (iPoint3.iX > lMaxX)
       
   290     {
       
   291     	lMaxX = iPoint3.iX;
       
   292     }
       
   293     if (iPoint4.iX > lMaxX)
       
   294     {
       
   295     	lMaxX = iPoint4.iX;
       
   296     }
       
   297 
       
   298     TFloatFixPt lMaxY = iPoint1.iY;
       
   299 
       
   300     if (iPoint2.iY > lMaxY)
       
   301     {
       
   302     	lMaxY = iPoint2.iY;
       
   303     }
       
   304     if (iPoint3.iY > lMaxY)
       
   305     {
       
   306     	lMaxY = iPoint3.iY;
       
   307     }
       
   308     if (iPoint4.iY > lMaxY)
       
   309     {
       
   310     	lMaxY = iPoint4.iY;
       
   311     }
       
   312 
       
   313    	TFloatFixPt lMinX = iPoint1.iX;
       
   314 
       
   315     if (iPoint2.iX < lMinX)
       
   316     {
       
   317     	lMinX = iPoint2.iX;
       
   318     }
       
   319     if (iPoint3.iX < lMinX)
       
   320     {
       
   321     	lMinX = iPoint3.iX;
       
   322     }
       
   323     if (iPoint4.iX < lMinX)
       
   324     {
       
   325     	lMinX = iPoint4.iX;
       
   326     }
       
   327 
       
   328     TFloatFixPt lMinY = iPoint1.iY;
       
   329 
       
   330     if (iPoint2.iY < lMinY)
       
   331     {
       
   332     	lMinY = iPoint2.iY;
       
   333     }
       
   334     if (iPoint3.iY < lMinY)
       
   335     {
       
   336     	lMinY = iPoint3.iY;
       
   337     }
       
   338     if (iPoint4.iY < lMinY)
       
   339     {
       
   340     	lMinY = iPoint4.iY;
       
   341     }
       
   342 
       
   343     aRect.iX = lMinX;
       
   344     aRect.iY = lMinY;
       
   345     aRect.iWidth = lMaxX - lMinX;
       
   346     aRect.iHeight = lMaxY - lMinY;
       
   347 
       
   348 }
       
   349 
       
   350 // --------------------------------------------------------------------------
       
   351 // void TSvgFourPointRect::Center(TPoint& aCenter)
       
   352 // ---------------------------------------------------------------------------
       
   353 void TSvgFourPointRect::Center(TPoint& aCenter)
       
   354 {
       
   355 	TFloatFixPt lMaxX = iPoint1.iX;
       
   356 
       
   357     if (iPoint2.iX > lMaxX)
       
   358     {
       
   359     	lMaxX = iPoint2.iX;
       
   360     }
       
   361     if (iPoint3.iX > lMaxX)
       
   362     {
       
   363     	lMaxX = iPoint3.iX;
       
   364     }
       
   365     if (iPoint4.iX > lMaxX)
       
   366     {
       
   367     	lMaxX = iPoint4.iX;
       
   368     }
       
   369 
       
   370     TFloatFixPt lMaxY = iPoint1.iY;
       
   371 
       
   372     if (iPoint2.iY > lMaxY)
       
   373     {
       
   374     	lMaxY = iPoint2.iY;
       
   375     }
       
   376     if (iPoint3.iY > lMaxY)
       
   377     {
       
   378     	lMaxY = iPoint3.iY;
       
   379     }
       
   380     if (iPoint4.iY > lMaxY)
       
   381     {
       
   382     	lMaxY = iPoint4.iY;
       
   383     }
       
   384 
       
   385    	TFloatFixPt lMinX = iPoint1.iX;
       
   386 
       
   387     if (iPoint2.iX < lMinX)
       
   388     {
       
   389     	lMinX = iPoint2.iX;
       
   390     }
       
   391     if (iPoint3.iX < lMinX)
       
   392     {
       
   393     	lMinX = iPoint3.iX;
       
   394     }
       
   395     if (iPoint4.iX < lMinX)
       
   396     {
       
   397     	lMinX = iPoint4.iX;
       
   398     }
       
   399 
       
   400     TFloatFixPt lMinY = iPoint1.iY;
       
   401 
       
   402     if (iPoint2.iY < lMinY)
       
   403     {
       
   404     	lMinY = iPoint2.iY;
       
   405     }
       
   406     if (iPoint3.iY < lMinY)
       
   407     {
       
   408     	lMinY = iPoint3.iY;
       
   409     }
       
   410     if (iPoint4.iY < lMinY)
       
   411     {
       
   412     	lMinY = iPoint4.iY;
       
   413     }
       
   414 
       
   415  	aCenter.iX = (( lMaxX - lMinX ) / TFloatFixPt(2) ) + lMinX;
       
   416  	aCenter.iY = (( lMaxY - lMinY ) / TFloatFixPt(2) ) + lMinY;
       
   417 }
       
   418 
       
   419 // --------------------------------------------------------------------------
       
   420 // TBool TSvgFourPointRect::Intersects(const MRect& aFourPointRect)
       
   421 // ---------------------------------------------------------------------------
       
   422 TBool TSvgFourPointRect::Intersects(const MRect& aFourPointRect)
       
   423 {
       
   424 	TGfxRectangle2D rect;
       
   425 	TGfxRectangle2D thisRect;
       
   426 
       
   427 	GetTRect(thisRect);
       
   428 	((TSvgFourPointRect&)aFourPointRect).GetTRect(rect);
       
   429 
       
   430     return ( thisRect.Intersects(rect) );
       
   431 }