请教：图片画成这个样子是什么原因？

Question

用bitblt画图，可是画出来的图片好像被分割了，哪位高人指点一下，谢谢！！！图片见下面的连接
http://www.czvc.com/bbs/showthread.asp?threadid=4027

Answer 1

谢谢楼上的回答。
图片是自己用程序作的
slim_bool
PeerTestApp_MakePixMap(TPeerTestApp *self)
{
slim_int bpp;
slim_int w, h, size;
void *pixmap; switch(self->fScreenInfo.fPixelMapType){
case SLIM_WWWPIXMAP_ARGB32:
case SLIM_WWWPIXMAP_RGB16:
bpp = sizeof(TColor);
break;
case SLIM_WWWPIXMAP_ARGB12:
case SLIM_WWWPIXMAP_RGB16MASK:
case SLIM_WWWPIXMAP_ARGB16:
case SLIM_WWWPIXMAP_SPECIAL16:
case SLIM_WWWPIXMAP_SPECIAL16MASK:
case SLIM_WWWPIXMAP_RGB32:
case SLIM_WWWPIXMAP_SPECIAL32:
case SLIM_WWWPIXMAP_SPECIAL32MASK:
default:
/* not supported */
return slim_false;
} w = self->fScreenInfo.fWidth;
h = self->fScreenInfo.fHeight / 4; size = h * SLIM_ROUNDUP(bpp * w, self->fScreenInfo.fScanLineAlign); pixmap = nmcsMemoryAllocPeer(size);
if(!pixmap){
return slim_false;
}
self->fPixMap       = pixmap;
self->fPixMapWidth  = w;
self->fPixMapHeight = h;
slim_memset(pixmap,0,size);
PeerTestApp_FillPixMap(self);
return slim_true;
}void
PeerTestApp_FillPixMap(TPeerTestApp *self)
{
slim_int x;
slim_int y;
slim_int w;
slim_int bpp;
TColor *p;
TColor *q; bpp = 4;
switch(self->fScreenInfo.fPixelMapType){
case SLIM_WWWPIXMAP_ARGB32:
case SLIM_WWWPIXMAP_RGB16:
{
q = self->fPixMap;
w = self->fPixMapWidth;
for(y = 0; y < self->fPixMapHeight; y++){
for(x = 0; x < self->fPixMapWidth; x++){
p = q + x + y * w; /* Ugh! */
*p = SLIM_COLOR_PINK;
}
}
}
break;
case SLIM_WWWPIXMAP_ARGB12:
case SLIM_WWWPIXMAP_RGB16MASK:
case SLIM_WWWPIXMAP_ARGB16:
case SLIM_WWWPIXMAP_SPECIAL16:
case SLIM_WWWPIXMAP_SPECIAL16MASK:
case SLIM_WWWPIXMAP_RGB32:
case SLIM_WWWPIXMAP_SPECIAL32:
case SLIM_WWWPIXMAP_SPECIAL32MASK:
default:
/* not supported */
break;
}
}