create_bitmap_ex

Creates a memory bitmap specifying color depth.

Description

BITMAP *create_bitmap_ex(int color_depth, int width, int height);
Creates a bitmap in a specific color depth (8, 15, 16, 24 or 32 bits per pixel). Example: 
      /* Create screen sized bitmap in 32 bits per pixel. /*
      BITMAP *bmp = create_bitmap_ex(32, SCREEN_W, SCREEN_H);
      if (!bmp)
	 abort_on_error("Couldn't create bitmap!");
      /* Use the bitmap. */
      ...
      /* Destroy it when we don't need it any more. */
      destroy_bitmap(bmp);
Returns a pointer to the created bitmap, or NULL if the bitmap could not be created. Remember to free this bitmap later to avoid memory leaks.
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