rnd-20020903-1-src

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

diff --git a/src/libgame/image.c b/src/libgame/image.c
index 9b89100b75548709fcc6ec8b2df7966c9250efea..13cfce001e50e03caf5a01eee2241bbfccc4b9b5 100644 (file)
--- a/src/libgame/image.c
+++ b/src/libgame/image.c
@@ -1,7 +1,7 @@
 /***********************************************************
 * Artsoft Retro-Game Library                               *
 *----------------------------------------------------------*
-* (c) 1994-2001 Artsoft Entertainment                      *
+* (c) 1994-2002 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
@@ -16,6 +16,10 @@
 #include "misc.h"
 
 
+/* ========================================================================= */
+/* PLATFORM SPECIFIC IMAGE FUNCTIONS                                         */
+/* ========================================================================= */
+
 #if defined(TARGET_X11)
 
 /* for MS-DOS/Allegro, exclude all except newImage() and freeImage() */
@@ -245,6 +249,7 @@ XImageInfo *Image_to_Pixmap(Display *display, int screen, Visual *visual,
       bluestep = 256 / bluecolors;
       redbottom = greenbottom = bluebottom = 0;
       redtop = greentop = bluetop = 0;
+
       for (a=0; a<visual->map_entries; a++)
       {
        if (redbottom < 256)
@@ -275,10 +280,12 @@ XImageInfo *Image_to_Pixmap(Display *display, int screen, Visual *visual,
          /* something completely unexpected happened */
 
          fprintf(stderr, "Image_to_Pixmap: XAllocColor failed on a TrueColor/Directcolor visual\n");
+
           free(redvalue);
           free(greenvalue);
           free(bluevalue);
           free(ximageinfo);
+
          return NULL;
        }
 
@@ -291,6 +298,7 @@ XImageInfo *Image_to_Pixmap(Display *display, int screen, Visual *visual,
        while ((bluebottom < 256) && (bluebottom < bluetop))
          bluevalue[bluebottom++] = xcolor.pixel & visual->blue_mask;
       }
+
       break;
     }
 
@@ -421,6 +429,7 @@ XImageInfo *Image_to_Pixmap(Display *display, int screen, Visual *visual,
     default:
       Error(ERR_RETURN,"DirectColor, TrueColor or PseudoColor display needed");
       SetError(error, "display class not supported");
+
       return NULL;
   }
 
@@ -467,6 +476,7 @@ XImageInfo *Image_to_Pixmap(Display *display, int screen, Visual *visual,
              dst_ptr += display_bytes_per_pixel;
            }
          }
+
          break;
        }
 
@@ -486,14 +496,17 @@ XImageInfo *Image_to_Pixmap(Display *display, int screen, Visual *visual,
              dst_ptr += display_bytes_per_pixel;
            }
          }
+
          break;
        }
 
         default:
          Error(ERR_RETURN, "RGB or TrueColor image needed");
          SetError(error, "image type not supported");
+
          return NULL;
       }
+
       break;
     }
 
@@ -517,12 +530,14 @@ XImageInfo *Image_to_Pixmap(Display *display, int screen, Visual *visual,
          }
        }
       }
+
       break;
     }
 
     default:
       Error(ERR_RETURN,"DirectColor, TrueColor or PseudoColor display needed");
       SetError(error, "display class not supported");
+
       return NULL;
   }
 
@@ -544,11 +559,9 @@ XImageInfo *Image_to_Pixmap(Display *display, int screen, Visual *visual,
   XPutImage(ximageinfo->display, ximageinfo->pixmap, gc,
            ximage, 0, 0, 0, 0, ximage->width, ximage->height);
 
-  free(ximage->data);
-  ximage->data = NULL;
   XDestroyImage(ximage);
 
-  return(ximageinfo);
+  return ximageinfo;
 }
 
 void freeXImage(Image *image, XImageInfo *ximageinfo)
@@ -593,7 +606,11 @@ int Read_PCX_to_Pixmap(Display *display, Window window, GC gc, char *filename,
   /* convert image structure to X11 Pixmap */
   if (!(ximageinfo = Image_to_Pixmap(display, screen, visual,
                                     window, gc, depth, image)))
+  {
+    freeImage(image);
+
     return PCX_OtherError;
+  }
 
   /* if a private colormap has been created, install it */
   if (ximageinfo->cmap != DefaultColormap(display, screen))
@@ -613,8 +630,37 @@ int Read_PCX_to_Pixmap(Display *display, Window window, GC gc, char *filename,
   *pixmap = ximageinfo->pixmap;
   *pixmap_mask = ximageinfo->pixmap_mask;
 
+  /* free generic image and ximageinfo after native Pixmap has been created */
+  free(ximageinfo);
+  freeImage(image);
+
   return PCX_Success;
 }
 
 #endif /* PLATFORM_UNIX */
 #endif /* TARGET_X11 */
+
+
+/* ========================================================================= */
+/* PLATFORM INDEPENDANT IMAGE FUNCTIONS                                      */
+/* ========================================================================= */
+
+struct ImageInfo
+{
+  char *source_filename;
+  int num_references;
+};
+typedef struct ImageInfo ImageInfo;
+
+static ImageInfo **ImageList = NULL;
+static struct ArtworkConfigInfo *image_config = NULL;
+static int num_images = 0;
+
+void InitImageList(struct ArtworkConfigInfo *config_list, int num_list_entries)
+{
+  if (ImageList == NULL)
+    ImageList = checked_calloc(num_list_entries * sizeof(ImageInfo *));
+
+  image_config = config_list;
+  num_images = num_list_entries;
+}