From 1ec7a01403d374273c3090fe93ca2e59869802f0 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Mon, 2 Mar 2015 13:40:34 +0100
Subject: [PATCH] updated special function to generate custom element graphics

---
 src/files.c | 12 ++++++------
 src/files.h |  1 +
 src/init.c  |  6 ++++++
 src/main.c  |  1 +
 4 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/files.c b/src/files.c
index d79e5f55..21b2472d 100644
--- a/src/files.c
+++ b/src/files.c
@@ -9772,24 +9772,24 @@ void CreateLevelSketchImages()
 /* create and save images for custom and group elements (raw BMP format)     */
 /* ------------------------------------------------------------------------- */
 
-void CreateCustomElementImages()
+void CreateCustomElementImages(char *filename)
 {
 #if defined(TARGET_SDL)
-  char *filename = "graphics.classic/RocksCE.bmp";
+  char *src_basename = "RocksCE.tmpl.ilbm";
   Bitmap *bitmap;
   Bitmap *src_bitmap;
-  int dummy_graphic = IMG_CUSTOM_99;
   int yoffset_ce = 0;
   int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
-  int src_x, src_y;
   int i;
 
+  SDLInitVideoDisplay();
+
+  src_bitmap = LoadCustomImage(src_basename);
+
   bitmap = CreateBitmap(TILEX * 16 * 2,
 			TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
 			DEFAULT_DEPTH);
 
-  getFixedGraphicSource(dummy_graphic, 0, &src_bitmap, &src_x, &src_y);
-
   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
   {
     int x = i % 16;
diff --git a/src/files.h b/src/files.h
index c7f72437..3041cc83 100644
--- a/src/files.h
+++ b/src/files.h
@@ -70,5 +70,6 @@ void LoadHelpTextInfo();
 
 void ConvertLevels();
 void CreateLevelSketchImages();
+void CreateCustomElementImages(char *);
 
 #endif	/* FILES_H */
diff --git a/src/init.c b/src/init.c
index e4b15279..38dd52b6 100644
--- a/src/init.c
+++ b/src/init.c
@@ -4734,6 +4734,12 @@ void Execute_Command(char *command)
       Error(ERR_EXIT, "image target directory '%s' not found or not writable",
 	    global.create_images_dir);
   }
+  else if (strPrefix(command, "create CE image "))
+  {
+    CreateCustomElementImages(&command[16]);
+
+    exit(0);
+  }
 
 #if DEBUG
 #if defined(TARGET_SDL2)
diff --git a/src/main.c b/src/main.c
index 9bcc40a8..836e0594 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5580,6 +5580,7 @@ static void print_usage()
 	 "  \"autoplay LEVELDIR [NR ...]\"     play level tapes for LEVELDIR\n"
 	 "  \"convert LEVELDIR [NR]\"          convert levels in LEVELDIR\n"
 	 "  \"create images DIRECTORY\"        write BMP images to DIRECTORY\n"
+	 "  \"create CE image FILE\"           write BMP image to FILE\n"
 	 "\n",
 	 program.command_basename);
 }
-- 
2.34.1