+static void set_graphic_parameters(int graphic, char **parameter_raw)
+{
+ Bitmap *src_bitmap = getBitmapFromImageID(graphic);
+ int num_xtiles = (src_bitmap ? src_bitmap->width : TILEX) / TILEX;
+ int num_ytiles = (src_bitmap ? src_bitmap->height * 2 / 3 : TILEY) / TILEY;
+ int parameter[NUM_GFX_ARGS];
+ int i;
+
+ /* get integer values from string parameters */
+ for (i=0; i < NUM_GFX_ARGS; i++)
+ parameter[i] =
+ get_parameter_value(image_config_suffix[i].type, parameter_raw[i]);
+
+ graphic_info[graphic].bitmap = src_bitmap;
+
+ /* start with reliable default values */
+ graphic_info[graphic].src_x = 0;
+ graphic_info[graphic].src_y = 0;
+ graphic_info[graphic].width = TILEX;
+ graphic_info[graphic].height = TILEY;
+ graphic_info[graphic].offset_x = 0; /* one or both of these values ... */
+ graphic_info[graphic].offset_y = 0; /* ... will be corrected later */
+
+ /* optional x and y tile position of animation frame sequence */
+ if (parameter[GFX_ARG_XPOS] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].src_x = parameter[GFX_ARG_XPOS] * TILEX;
+ if (parameter[GFX_ARG_YPOS] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].src_y = parameter[GFX_ARG_YPOS] * TILEY;
+
+ /* optional x and y pixel position of animation frame sequence */
+ if (parameter[GFX_ARG_X] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].src_x = parameter[GFX_ARG_X];
+ if (parameter[GFX_ARG_Y] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].src_y = parameter[GFX_ARG_Y];
+
+ /* optional width and height of each animation frame */
+ if (parameter[GFX_ARG_WIDTH] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].width = parameter[GFX_ARG_WIDTH];
+ if (parameter[GFX_ARG_HEIGHT] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].height = parameter[GFX_ARG_HEIGHT];
+
+ /* correct x or y offset dependant of vertical or horizontal frame order */
+ if (parameter[GFX_ARG_VERTICAL]) /* frames are ordered vertically */
+ {
+ if (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].offset_y = parameter[GFX_ARG_OFFSET];
+ else
+ graphic_info[graphic].offset_y = graphic_info[graphic].height;
+ }
+ else /* frames are ordered horizontally */
+ {
+ if (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].offset_x = parameter[GFX_ARG_OFFSET];
+ else
+ graphic_info[graphic].offset_x = graphic_info[graphic].width;
+ }
+
+ /* optionally, the x and y offset of frames can be specified directly */
+ if (parameter[GFX_ARG_XOFFSET] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].offset_x = parameter[GFX_ARG_XOFFSET];
+ if (parameter[GFX_ARG_YOFFSET] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].offset_y = parameter[GFX_ARG_YOFFSET];
+
+ /* automatically determine correct number of frames, if not defined */
+ if (parameter[GFX_ARG_FRAMES] != ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].anim_frames = parameter[GFX_ARG_FRAMES];
+ else if (parameter[GFX_ARG_XPOS] == 0 && !parameter[GFX_ARG_VERTICAL])
+ graphic_info[graphic].anim_frames = num_xtiles;
+ else if (parameter[GFX_ARG_YPOS] == 0 && parameter[GFX_ARG_VERTICAL])
+ graphic_info[graphic].anim_frames = num_ytiles;
+ else
+ graphic_info[graphic].anim_frames = 1;
+
+ graphic_info[graphic].anim_delay = parameter[GFX_ARG_DELAY];
+ if (graphic_info[graphic].anim_delay == 0) /* delay must be at least 1 */
+ graphic_info[graphic].anim_delay = 1;
+
+ /* set mode for animation frame order */
+ if (parameter[GFX_ARG_MODE_LOOP])
+ graphic_info[graphic].anim_mode = ANIM_LOOP;
+ else if (parameter[GFX_ARG_MODE_LINEAR])
+ graphic_info[graphic].anim_mode = ANIM_LINEAR;
+ else if (parameter[GFX_ARG_MODE_PINGPONG])
+ graphic_info[graphic].anim_mode = ANIM_PINGPONG;
+ else if (parameter[GFX_ARG_MODE_PINGPONG2])
+ graphic_info[graphic].anim_mode = ANIM_PINGPONG2;
+ else if (parameter[GFX_ARG_MODE_RANDOM])
+ graphic_info[graphic].anim_mode = ANIM_RANDOM;
+ else if (graphic_info[graphic].anim_frames > 1)
+ graphic_info[graphic].anim_mode = ANIM_LOOP;
+ else
+ graphic_info[graphic].anim_mode = ANIM_NONE;
+
+ /* set additional flag to play animation frames in reverse order */
+ if (parameter[GFX_ARG_MODE_REVERSE])
+ graphic_info[graphic].anim_mode |= ANIM_REVERSE;
+
+ /* automatically determine correct start frame, if not defined */
+ if (parameter[GFX_ARG_START_FRAME] == ARG_UNDEFINED_VALUE)
+ graphic_info[graphic].anim_start_frame = 0;
+ else if (graphic_info[graphic].anim_mode & ANIM_REVERSE)
+ graphic_info[graphic].anim_start_frame =
+ graphic_info[graphic].anim_frames - parameter[GFX_ARG_START_FRAME] - 1;
+ else
+ graphic_info[graphic].anim_start_frame = parameter[GFX_ARG_START_FRAME];
+
+ /* animation synchronized with global frame counter, not move position */
+ graphic_info[graphic].anim_global_sync = parameter[GFX_ARG_GLOBAL_SYNC];
+
+ /* this is only used for toon animations */
+ graphic_info[graphic].step_offset = parameter[GFX_ARG_STEP_OFFSET];
+ graphic_info[graphic].step_delay = parameter[GFX_ARG_STEP_DELAY];
+}
+
+static void InitGraphicInfo()
+{
+ static boolean clipmasks_initialized = FALSE;
+ int fallback_graphic = IMG_CHAR_EXCLAM;
+ struct FileInfo *fallback_image = getImageListEntry(fallback_graphic);
+ Bitmap *fallback_bitmap = getBitmapFromImageID(fallback_graphic);
+ int num_images = getImageListSize();
+ int i;
+#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
+ Pixmap src_pixmap;
+ XGCValues clip_gc_values;
+ unsigned long clip_gc_valuemask;
+ GC copy_clipmask_gc = None;
+#endif
+
+ if (graphic_info != NULL)
+ free(graphic_info);
+
+ graphic_info = checked_calloc(num_images * sizeof(struct GraphicInfo));
+
+#if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
+ if (clipmasks_initialized)
+ {
+ for (i=0; i<num_images; i++)
+ {
+ if (graphic_info[i].clip_mask)
+ XFreePixmap(display, graphic_info[i].clip_mask);
+ if (graphic_info[i].clip_gc)
+ XFreeGC(display, graphic_info[i].clip_gc);
+
+ graphic_info[i].clip_mask = None;
+ graphic_info[i].clip_gc = None;
+ }
+ }