+ if (create_small_bitmaps)
+ {
+ new_width = width_1;
+ new_height = height_1 + (height_1 + 1) / 2; /* prevent odd height */
+
+ new_bitmap = CreateBitmap(new_width, new_height, DEFAULT_DEPTH);
+
+ BlitBitmap(tmp_bitmap_1, new_bitmap, 0, 0, width_1, height_1, 0, 0);
+ BlitBitmap(tmp_bitmap_2, new_bitmap, 0, 0, width_1 / 2, height_1 / 2,
+ 0, height_1);
+ BlitBitmap(tmp_bitmap_4, new_bitmap, 0, 0, width_1 / 4, height_1 / 4,
+ width_1 / 2, height_1);
+ BlitBitmap(tmp_bitmap_8, new_bitmap, 0, 0, width_1 / 8, height_1 / 8,
+ 3 * width_1 / 4, height_1);
+ }
+ else
+ {
+ new_width = width_1;
+ new_height = height_1;
+
+ new_bitmap = tmp_bitmap_1; /* directly use tmp_bitmap_1 as new bitmap */
+ }
+
+ if (create_small_bitmaps)
+ {
+ /* if no small bitmaps created, tmp_bitmap_1 is used as new bitmap now */
+ if (zoom_factor != 1)
+ FreeBitmap(tmp_bitmap_1);
+
+ if (zoom_factor != 2)
+ FreeBitmap(tmp_bitmap_2);
+
+ if (zoom_factor != 4)
+ FreeBitmap(tmp_bitmap_4);
+
+ if (zoom_factor != 8)
+ FreeBitmap(tmp_bitmap_8);
+ }
+
+ /* replace image with extended image (containing 1/1, 1/2, 1/4, 1/8 size) */
+#if defined(TARGET_SDL)
+ swap_bitmap.surface = old_bitmap->surface;
+ old_bitmap->surface = new_bitmap->surface;
+ new_bitmap->surface = swap_bitmap.surface;
+#else
+ swap_bitmap.drawable = old_bitmap->drawable;
+ old_bitmap->drawable = new_bitmap->drawable;
+ new_bitmap->drawable = swap_bitmap.drawable;
+#endif
+
+ old_bitmap->width = new_bitmap->width;
+ old_bitmap->height = new_bitmap->height;
+
+ FreeBitmap(new_bitmap); /* this actually frees the _old_ bitmap now */
+}
+
+void CreateBitmapWithSmallBitmaps(Bitmap *old_bitmap, int zoom_factor)
+{
+ CreateScaledBitmaps(old_bitmap, zoom_factor, TRUE);
+}
+
+void ScaleBitmap(Bitmap *old_bitmap, int zoom_factor)
+{
+ CreateScaledBitmaps(old_bitmap, zoom_factor, FALSE);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* mouse pointer functions */
+/* ------------------------------------------------------------------------- */
+
+#if !defined(PLATFORM_MSDOS)
+/* XPM */
+static const char *cursor_image_playfield[] =
+{
+ /* width height num_colors chars_per_pixel */
+ " 16 16 3 1",
+
+ /* colors */
+ "X c #000000",
+ ". c #ffffff",
+ " c None",
+
+#if 1
+ /* some people complained about a "white dot" on the screen and thought it
+ was a graphical error... OK, let's just remove the whole pointer :-) */
+
+ /* pixels */
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+
+ /* hot spot */
+ "0,0"