void update_gdi_bitmap_update(rdpContext* context, BITMAP_UPDATE* bitmap_update)
{
int i;
rdpBitmap* bitmap;
BITMAP_DATA* bitmap_data;
tbool reused = true;
rdpCache* cache = context->cache;
if (cache->bitmap->bitmap == NULL)
{
cache->bitmap->bitmap = Bitmap_Alloc(context);
cache->bitmap->bitmap->ephemeral = true;
reused = false;
}
bitmap = cache->bitmap->bitmap;
for (i = 0; i < (int) bitmap_update->number; i++)
{
bitmap_data = &bitmap_update->rectangles[i];
bitmap->bpp = bitmap_data->bitsPerPixel;
bitmap->length = bitmap_data->bitmapLength;
bitmap->compressed = bitmap_data->compressed;
Bitmap_SetRectangle(context, bitmap,
bitmap_data->destLeft, bitmap_data->destTop,
bitmap_data->destRight, bitmap_data->destBottom);
Bitmap_SetDimensions(context, bitmap, bitmap_data->width, bitmap_data->height);
bitmap->Decompress(context, bitmap,
bitmap_data->bitmapDataStream, bitmap_data->width, bitmap_data->height,
bitmap_data->bitsPerPixel, bitmap_data->bitmapLength,
bitmap_data->compressed, CODEC_ID_NONE);
if (reused)
bitmap->Free(context, bitmap);
else
reused = true;
bitmap->New(context, bitmap);
bitmap->Paint(context, bitmap);
}
}
BOOL gdi_bitmap_update(rdpContext* context,
const BITMAP_UPDATE* bitmapUpdate)
{
UINT32 index;
if (!context || !bitmapUpdate || !context->gdi || !context->codecs)
return FALSE;
for (index = 0; index < bitmapUpdate->number; index++)
{
const BITMAP_DATA* bitmap = &(bitmapUpdate->rectangles[index]);
rdpBitmap* bmp = Bitmap_Alloc(context);
if (!bmp)
return FALSE;
Bitmap_SetDimensions(bmp, bitmap->width, bitmap->height);
Bitmap_SetRectangle(bmp, bitmap->destLeft, bitmap->destTop, bitmap->destRight,
bitmap->destBottom);
if (!bmp->Decompress(context, bmp, bitmap->bitmapDataStream,
bitmap->width, bitmap->height, bitmap->bitsPerPixel,
bitmap->bitmapLength, bitmap->compressed,
RDP_CODEC_ID_NONE))
{
Bitmap_Free(context, bmp);
return FALSE;
}
if (!bmp->New(context, bmp))
{
Bitmap_Free(context, bmp);
return FALSE;
}
if (!bmp->Paint(context, bmp))
{
Bitmap_Free(context, bmp);
return FALSE;
}
Bitmap_Free(context, bmp);
}
return TRUE;
}
