X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fimage.c;h=1475fe1e45ce4592daa77197704e9d005f5ac1c5;hb=c42862bb754d7a8b1ff476887669650845f7570e;hp=4088af3b0bf5665b171efee4e64ffa4decd5cb7d;hpb=b7c0e8ca1c06e1d54714b382d6b92f4ff2d47af7;p=rocksndiamonds.git

diff --git a/src/libgame/image.c b/src/libgame/image.c
index 4088af3b..1475fe1e 100644
--- a/src/libgame/image.c
+++ b/src/libgame/image.c
@@ -636,6 +636,8 @@ XImageInfo *Image_to_Pixmap(Display *display, int screen, Visual *visual,
 
   Important note: The scaling code currently only supports scaling of the image
   up or down by a power of 2 -- other scaling factors currently not supported!
+  Also not supported is scaling of pixmap masks (with depth 1); to scale them,
+  better use Pixmap_to_Mask() for now.
   -----------------------------------------------------------------------------
 */
 
@@ -648,13 +650,9 @@ void ZoomPixmap(Display *display, GC gc, Pixmap src_pixmap, Pixmap dst_pixmap,
   int bits_per_pixel;
   int bytes_per_pixel;
   int x, y, xx, yy, i;
-#if 1
-  boolean scale_down = (src_width > dst_width);
-  int zoom_factor;
-#else
-  int zoom_factor = src_width / dst_width;	/* currently very limited! */
-#endif
   int row_skip, col_skip;
+  int zoom_factor;
+  boolean scale_down = (src_width > dst_width);
 
   if (scale_down)
   {
@@ -706,33 +704,6 @@ void ZoomPixmap(Display *display, GC gc, Pixmap src_pixmap, Pixmap dst_pixmap,
   {
     row_skip = src_width * bytes_per_pixel;
 
-#if 0
-    printf("::: %d, %d -> %d, %d [%d / %d]\n[%ld -> %ld (%ld)] [%ld -> %ld (%ld)]\n",
-	   src_width, src_height,
-	   dst_width, dst_height,
-	   zoom_factor, bytes_per_pixel,
-	   src_ptr,
-	   src_ptr + src_width * src_height * bytes_per_pixel,
-	   src_width * src_height * bytes_per_pixel,
-	   dst_ptr,
-	   dst_ptr + dst_width * dst_height * bytes_per_pixel,
-	   dst_width * dst_height * bytes_per_pixel);
-
-    printf("A\n");
-
-    for (i = 0; i < src_width * src_height * bytes_per_pixel;
-	 i++)
-    {
-      byte x = *(byte *)(src_ptr + i);
-
-      printf("::: %d ...\n", i);
-
-      x = x * 1;
-    }
-
-    printf("B\n");
-#endif
-
     /* scale image up by scaling factor 'zoom_factor' */
     for (y = 0; y < src_height; y++)
     {
@@ -741,19 +712,11 @@ void ZoomPixmap(Display *display, GC gc, Pixmap src_pixmap, Pixmap dst_pixmap,
 	if (yy > 0)
 	  src_ptr -= row_skip;
 
-#if 0
-	printf("::: [%d -> %ld / %ld]\n", y, src_ptr, dst_ptr);
-#endif
-
 	for (x = 0; x < src_width; x++)
 	{
 	  for (xx = 0; xx < zoom_factor; xx++)
 	    for (i = 0; i < bytes_per_pixel; i++)
-#if 1
 	      *dst_ptr++ = *(src_ptr + i);
-#else
-	      *dst_ptr++ = 0;
-#endif
 
 	  src_ptr += i;
 	}
@@ -857,7 +820,12 @@ struct ImageInfo
   int num_references;
 
   Bitmap *bitmap;
-  boolean contains_small_images;
+
+  int original_width;			/* original image file width */
+  int original_height;			/* original image file height */
+
+  boolean contains_small_images;	/* set after adding small images */
+  boolean scaled_up;			/* set after scaling up */
 };
 typedef struct ImageInfo ImageInfo;
 
@@ -883,7 +851,11 @@ static void *Load_PCX(char *filename)
 
   img_info->source_filename = getStringCopy(filename);
 
+  img_info->original_width  = img_info->bitmap->width;
+  img_info->original_height = img_info->bitmap->height;
+
   img_info->contains_small_images = FALSE;
+  img_info->scaled_up = FALSE;
 
   return img_info;
 }
@@ -910,7 +882,7 @@ int getImageListSize()
 	  image_info->num_dynamic_file_list_entries);
 }
 
-struct FileInfo *getImageListEntry(int pos)
+struct FileInfo *getImageListEntryFromImageID(int pos)
 {
   int num_list_entries = image_info->num_file_list_entries;
   int list_pos = (pos < num_list_entries ? pos : pos - num_list_entries);
@@ -932,33 +904,30 @@ static ImageInfo *getImageInfoEntryFromImageID(int pos)
 
 Bitmap *getBitmapFromImageID(int pos)
 {
-#if 0
-  int num_list_entries = image_info->num_file_list_entries;
-  int list_pos = (pos < num_list_entries ? pos : pos - num_list_entries);
-  ImageInfo **img_info =
-    (ImageInfo **)(pos < num_list_entries ? image_info->artwork_list :
-		   image_info->dynamic_artwork_list);
-
-  return (img_info[list_pos] != NULL ? img_info[list_pos]->bitmap : NULL);
-#else
   ImageInfo *img_info = getImageInfoEntryFromImageID(pos);
 
   return (img_info != NULL ? img_info->bitmap : NULL);
-#endif
 }
 
-char *getTokenFromImageID(int graphic)
+int getOriginalImageWidthFromImageID(int pos)
 {
-#if 0
-  /* !!! this does not work for dynamic artwork (crash!) !!! */
-  struct FileInfo *file_list = (struct FileInfo *)image_info->file_list;
+  ImageInfo *img_info = getImageInfoEntryFromImageID(pos);
+
+  return (img_info != NULL ? img_info->original_width : 0);
+}
 
-  return file_list[graphic].token;
-#else
-  struct FileInfo *file_list = getImageListEntry(graphic);
+int getOriginalImageHeightFromImageID(int pos)
+{
+  ImageInfo *img_info = getImageInfoEntryFromImageID(pos);
+
+  return (img_info != NULL ? img_info->original_height : 0);
+}
+
+char *getTokenFromImageID(int graphic)
+{
+  struct FileInfo *file_list = getImageListEntryFromImageID(graphic);
 
   return (file_list != NULL ? file_list->token : NULL);
-#endif
 }
 
 int getImageIDFromToken(char *token)
@@ -1074,16 +1043,23 @@ void ReloadCustomImages()
   ReloadCustomArtworkList(image_info);
 }
 
-void CreateImageWithSmallImages(int pos)
+void CreateImageWithSmallImages(int pos, int zoom_factor)
 {
   ImageInfo *img_info = getImageInfoEntryFromImageID(pos);
 
   if (img_info == NULL || img_info->contains_small_images)
     return;
 
-  CreateBitmapWithSmallBitmaps(img_info->bitmap);
+  CreateBitmapWithSmallBitmaps(img_info->bitmap, zoom_factor);
 
   img_info->contains_small_images = TRUE;
+  img_info->scaled_up = TRUE;
+
+#if 0
+  if (zoom_factor)
+    printf("CreateImageWithSmallImages: '%s' zoomed by factor %d\n",
+	   img_info->source_filename, zoom_factor);
+#endif
 
 #if 0
   printf("CreateImageWithSmallImages: '%s' done\n", img_info->source_filename);