git.maemo.org Git - presencevnc/blob - libvnc/examples/rotatetemplate.c

   1 #define OUT_T CONCAT3E(uint,OUT,_t)
   2 #define FUNCTION CONCAT2E(FUNCNAME,OUT)
   3
   4 static void FUNCTION(rfbScreenInfoPtr screen)
   5 {
   6         OUT_T* buffer = (OUT_T*)screen->frameBuffer;
   7         int i, j, w = screen->width, h = screen->height;
   8         OUT_T* newBuffer = (OUT_T*)malloc(w * h * sizeof(OUT_T));
   9
  10         for (j = 0; j < h; j++)
  11                 for (i = 0; i < w; i++)
  12                         newBuffer[FUNC(i, j)] = buffer[i + j * w];
  13
  14         memcpy(buffer, newBuffer, w * h * sizeof(OUT_T));
  15         free(newBuffer);
  16
  17 #ifdef SWAPDIMENSIONS
  18         screen->width = h;
  19         screen->paddedWidthInBytes = h * OUT / 8;
  20         screen->height = w;
  21
  22         {
  23                 rfbClientIteratorPtr iterator;
  24                 rfbClientPtr cl;
  25                 iterator = rfbGetClientIterator(screen);
  26                 while ((cl = rfbClientIteratorNext(iterator)) != NULL)
  27                         cl->newFBSizePending = 1;
  28         }
  29 #endif
  30
  31         rfbMarkRectAsModified(screen, 0, 0, screen->width, screen->height);
  32 }
  33
  34 #if OUT == 32
  35 void FUNCNAME(rfbScreenInfoPtr screen) {
  36         if (screen->serverFormat.bitsPerPixel == 32)
  37                 CONCAT2E(FUNCNAME,32)(screen);
  38         else if (screen->serverFormat.bitsPerPixel == 16)
  39                 CONCAT2E(FUNCNAME,16)(screen);
  40         else if (screen->serverFormat.bitsPerPixel == 8)
  41                 CONCAT2E(FUNCNAME,8)(screen);
  42         else {
  43                 rfbErr("Unsupported pixel depth: %d\n",
  44                         screen->serverFormat.bitsPerPixel);
  45                 return;
  46         }
  47 }
  48 #endif
  49
  50 #undef FUNCTION
  51 #undef OUT
  52