+ Bitmap swap_bitmap;
+ Bitmap *new_bitmap;
+ Bitmap *tmp_bitmap_1;
+ Bitmap *tmp_bitmap_2;
+ Bitmap *tmp_bitmap_4;
+ Bitmap *tmp_bitmap_8;
+ Bitmap *tmp_bitmap_16;
+ Bitmap *tmp_bitmap_32;
+ int width_1, height_1;
+ int width_2, height_2;
+ int width_4, height_4;
+ int width_8, height_8;
+ int width_16, height_16;
+ int width_32, height_32;
+ int new_width, new_height;
+
+ /* calculate new image dimensions for normal sized image */
+ width_1 = old_bitmap->width * zoom_factor;
+ height_1 = old_bitmap->height * zoom_factor;
+
+ /* get image with normal size (this might require scaling up) */
+ if (zoom_factor != 1)
+ tmp_bitmap_1 = ZoomBitmap(old_bitmap, width_1, height_1);
+ else
+ tmp_bitmap_1 = old_bitmap;
+
+ /* this is only needed to make compilers happy */
+ tmp_bitmap_2 = NULL;
+ tmp_bitmap_4 = NULL;
+ tmp_bitmap_8 = NULL;
+ tmp_bitmap_16 = NULL;
+ tmp_bitmap_32 = NULL;
+
+ if (create_small_bitmaps)
+ {
+ /* calculate new image dimensions for small images */
+ width_2 = width_1 / 2;
+ height_2 = height_1 / 2;
+ width_4 = width_1 / 4;
+ height_4 = height_1 / 4;
+ width_8 = width_1 / 8;
+ height_8 = height_1 / 8;
+ width_16 = width_1 / 16;
+ height_16 = height_1 / 16;
+ width_32 = width_1 / 32;
+ height_32 = height_1 / 32;
+
+ UPDATE_BUSY_STATE();
+
+ /* get image with 1/2 of normal size (for use in the level editor) */
+ if (zoom_factor != 2)
+ tmp_bitmap_2 = ZoomBitmap(tmp_bitmap_1, width_1 / 2, height_1 / 2);
+ else
+ tmp_bitmap_2 = old_bitmap;
+
+ UPDATE_BUSY_STATE();
+
+ /* get image with 1/4 of normal size (for use in the level editor) */
+ if (zoom_factor != 4)
+ tmp_bitmap_4 = ZoomBitmap(tmp_bitmap_2, width_2 / 2, height_2 / 2);
+ else
+ tmp_bitmap_4 = old_bitmap;
+
+ UPDATE_BUSY_STATE();
+
+ /* get image with 1/8 of normal size (for use on the preview screen) */
+ if (zoom_factor != 8)
+ tmp_bitmap_8 = ZoomBitmap(tmp_bitmap_4, width_4 / 2, height_4 / 2);
+ else
+ tmp_bitmap_8 = old_bitmap;
+
+ UPDATE_BUSY_STATE();
+
+ /* get image with 1/16 of normal size (for use on the preview screen) */
+ if (zoom_factor != 16)
+ tmp_bitmap_16 = ZoomBitmap(tmp_bitmap_8, width_8 / 2, height_8 / 2);
+ else
+ tmp_bitmap_16 = old_bitmap;
+
+ UPDATE_BUSY_STATE();
+
+ /* get image with 1/32 of normal size (for use on the preview screen) */
+ if (zoom_factor != 32)
+ tmp_bitmap_32 = ZoomBitmap(tmp_bitmap_16, width_16 / 2, height_16 / 2);
+ else
+ tmp_bitmap_32 = old_bitmap;
+
+ UPDATE_BUSY_STATE();
+ }
+
+#if 0
+ /* if image was scaled up, create new clipmask for normal size image */
+ if (zoom_factor != 1)
+ {
+#if defined(TARGET_X11)
+ if (old_bitmap->clip_mask)
+ XFreePixmap(display, old_bitmap->clip_mask);
+
+ old_bitmap->clip_mask =
+ Pixmap_to_Mask(tmp_bitmap_1->drawable, width_1, height_1);
+
+ XSetClipMask(display, old_bitmap->stored_clip_gc, old_bitmap->clip_mask);
+#else
+ SDL_Surface *tmp_surface_1 = tmp_bitmap_1->surface;
+
+ if (old_bitmap->surface_masked)
+ SDL_FreeSurface(old_bitmap->surface_masked);