rnd-20030118-1-src

[rocksndiamonds.git] / src / libgame / image.c

diff --git a/src/libgame/image.c b/src/libgame/image.c
index 8299ad2b400e1ec20907442d04f575582d9ac830..ce66e3280b43eaed02485317de4edeff0d7e5aef 100644 (file)
--- a/src/libgame/image.c
+++ b/src/libgame/image.c
@@ -14,8 +14,13 @@
 #include "image.h"
 #include "pcx.h"
 #include "misc.h"
+#include "setup.h"
 
 
+/* ========================================================================= */
+/* PLATFORM SPECIFIC IMAGE FUNCTIONS                                         */
+/* ========================================================================= */
+
 #if defined(TARGET_X11)
 
 /* for MS-DOS/Allegro, exclude all except newImage() and freeImage() */
@@ -33,8 +38,8 @@ Image *newImage(unsigned int width, unsigned int height, unsigned int depth)
   depth = 8;
 #endif
 
-  image = checked_malloc(sizeof(Image));
-  image->data = checked_malloc(width * height * bytes_per_pixel);
+  image = checked_calloc(sizeof(Image));
+  image->data = checked_calloc(width * height * bytes_per_pixel);
   image->width = width;
   image->height = height;
   image->depth = depth;
@@ -635,3 +640,126 @@ int Read_PCX_to_Pixmap(Display *display, Window window, GC gc, char *filename,
 
 #endif /* PLATFORM_UNIX */
 #endif /* TARGET_X11 */
+
+
+/* ========================================================================= */
+/* PLATFORM INDEPENDANT IMAGE FUNCTIONS                                      */
+/* ========================================================================= */
+
+struct ImageInfo
+{
+  char *source_filename;
+  int num_references;
+
+  Bitmap *bitmap;
+};
+typedef struct ImageInfo ImageInfo;
+
+static struct ArtworkListInfo *image_info = NULL;
+
+static void *Load_PCX(char *filename)
+{
+  ImageInfo *img_info;
+
+#if 0
+  printf("loading PCX file '%s'\n", filename);
+#endif
+
+  img_info = checked_calloc(sizeof(ImageInfo));
+
+  if ((img_info->bitmap = LoadImage(filename)) == NULL)
+  {
+    Error(ERR_WARN, "cannot read image file '%s': LoadImage() failed: %s",
+         filename, GetError());
+    free(img_info);
+    return NULL;
+  }
+
+  img_info->source_filename = getStringCopy(filename);
+
+  return img_info;
+}
+
+static void FreeImage(void *ptr)
+{
+  ImageInfo *image = (ImageInfo *)ptr;
+
+  if (image == NULL)
+    return;
+
+  if (image->bitmap)
+    FreeBitmap(image->bitmap);
+
+  if (image->source_filename)
+    free(image->source_filename);
+
+  free(image);
+}
+
+struct FileInfo *getCurrentImageList()
+{
+  return image_info->file_list;
+}
+
+Bitmap *getBitmapFromImageID(int graphic)
+{
+  ImageInfo **img_info = (ImageInfo **)image_info->artwork_list;
+
+  return (img_info[graphic] != NULL ? img_info[graphic]->bitmap : NULL);
+}
+
+char *getTokenFromImageID(int graphic)
+{
+  struct FileInfo *file_list = (struct FileInfo *)image_info->file_list;
+
+  return file_list[graphic].token;
+}
+
+char *getImageConfigFilename()
+{
+  return getCustomArtworkConfigFilename(image_info->type);
+}
+
+void InitImageList(struct ConfigInfo *config_list,
+                  struct ConfigInfo *config_suffix_list,
+                  int num_file_list_entries)
+{
+  int i;
+
+  image_info = checked_calloc(sizeof(struct ArtworkListInfo));
+
+  image_info->type = ARTWORK_TYPE_GRAPHICS;
+
+  image_info->num_file_list_entries = num_file_list_entries;
+  image_info->num_suffix_list_entries = 0;
+  for (i=0; config_suffix_list[i].token != NULL; i++)
+    image_info->num_suffix_list_entries++;
+
+  image_info->file_list =
+    getFileListFromConfigList(config_list, config_suffix_list,
+                             num_file_list_entries);
+  image_info->suffix_list = config_suffix_list;
+  image_info->custom_setup_list = NULL;
+
+  image_info->artwork_list =
+    checked_calloc(num_file_list_entries * sizeof(ImageInfo *));
+
+  image_info->content_list = NULL;
+
+  image_info->load_artwork = Load_PCX;
+  image_info->free_artwork = FreeImage;
+}
+
+void ReloadCustomImages()
+{
+#if 0
+  printf("DEBUG: reloading images '%s' ...\n", artwork.gfx_current_identifier);
+#endif
+
+  ReloadCustomArtworkList(image_info);
+}
+
+void FreeAllImages()
+{
+  FreeCustomArtworkList(image_info);
+}