lib/libvgl/bitmap.c

293 __VGLBitmapCopy(VGLBitmap *src, int srcx, int srcy,
298   if (srcx>src->VXsize || srcy>src->VYsize
301   if (srcx < 0) {
302     width=width+srcx; dstx-=srcx; srcx=0;
308     width=width+dstx; srcx-=dstx; dstx=0;
313   if (srcx+width > src->VXsize)
314      width=src->VXsize-srcx;
326 	(src->Bitmap+(srcline*src->VXsize)+srcx));
331       ReadVerticalLine(src, srcx, srcline, width,
347       ReadVerticalLine(src, srcx, srcline, width, p);
357 VGLBitmapCopy(VGLBitmap *src, int srcx, int srcy,
363   error = __VGLBitmapCopy(src, srcx, srcy, dst, dstx, dsty, width, hight);