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Viewing changes to ica/x11/libvncserver/draw.c

  • Committer: Bazaar Package Importer
  • Author(s): Patrick Winnertz
  • Date: 2008-06-17 13:46:54 UTC
  • mfrom: (1.2.1 upstream) (4.1.1 gutsy)
  • Revision ID: james.westby@ubuntu.com-20080617134654-cl0gi4u524cv1ici
Tags: 1:1.0.9~rc3-1
http://bugs.debian.org/481974
* Package new upstream version
  - upstream ported the code to qt4.4 (Closes: #481974)

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ica/x11/libvncserver/draw.c
 
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#include <rfb/rfb.h>
 
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void rfbFillRect(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2,rfbPixel col)
 
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{
 
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  int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3;
 
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  int i,j;
 
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  char* colour=(char*)&col;
 
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   if(!rfbEndianTest)
 
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    colour += 4-bpp;
 
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  for(j=y1;j<y2;j++)
 
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    for(i=x1;i<x2;i++)
 
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      memcpy(s->frameBuffer+j*rowstride+i*bpp,colour,bpp);
 
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  rfbMarkRectAsModified(s,x1,y1,x2,y2);
 
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}
 
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#define SETPIXEL(x,y) \
 
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  memcpy(s->frameBuffer+(y)*rowstride+(x)*bpp,colour,bpp)
 
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void rfbDrawPixel(rfbScreenInfoPtr s,int x,int y,rfbPixel col)
 
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{
 
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  int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3;
 
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  char* colour=(char*)&col;
 
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  if(!rfbEndianTest)
 
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    colour += 4-bpp;
 
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  SETPIXEL(x,y);
 
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  rfbMarkRectAsModified(s,x,y,x+1,y+1);
 
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}
 
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void rfbDrawLine(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2,rfbPixel col)
 
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{
 
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  int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3;
 
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  int i;
 
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  char* colour=(char*)&col;
 
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  if(!rfbEndianTest)
 
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    colour += 4-bpp;
 
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#define SWAPPOINTS { i=x1; x1=x2; x2=i; i=y1; y1=y2; y2=i; }
 
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  if(abs(x1-x2)<abs(y1-y2)) {
 
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    if(y1>y2)
 
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      SWAPPOINTS
 
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    for(i=y1;i<=y2;i++)
 
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      SETPIXEL(x1+(i-y1)*(x2-x1)/(y2-y1),i);
 
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    /* TODO: Maybe make this more intelligently? */
 
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    if(x2<x1) { i=x1; x1=x2; x2=i; }
 
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    rfbMarkRectAsModified(s,x1,y1,x2+1,y2+1);
 
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  } else {
 
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    if(x1>x2)
 
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      SWAPPOINTS
 
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    else if(x1==x2) {
 
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      rfbDrawPixel(s,x1,y1,col);
 
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      return;
 
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    }
 
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    for(i=x1;i<=x2;i++)
 
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      SETPIXEL(i,y1+(i-x1)*(y2-y1)/(x2-x1));
 
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    if(y2<y1) { i=y1; y1=y2; y2=i; }
 
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    rfbMarkRectAsModified(s,x1,y1,x2+1,y2+1);
 
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  }
 
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}