+ clip_gc_values.graphics_exposures = False;
+ clip_gc_valuemask = GCGraphicsExposures;
+ copy_clipmask_gc =
+ XCreateGC(display,clipmask[PIX_BACK],clip_gc_valuemask,&clip_gc_values);
+
+ clip_gc_values.graphics_exposures = False;
+ clip_gc_valuemask = GCGraphicsExposures;
+ tile_clip_gc =
+ XCreateGC(display,window,clip_gc_valuemask,&clip_gc_values);
+
+ /* initialize pixmap array to Pixmap 'None' */
+ for(i=0; i<NUM_TILES; i++)
+ tile_clipmask[i] = None;
+
+ /* create only those clipping Pixmaps we really need */
+ for(i=0; tile_needs_clipping[i].start>=0; i++)
+ {
+ for(j=0; j<tile_needs_clipping[i].count; j++)
+ {
+ int tile = tile_needs_clipping[i].start + j;
+ int graphic = tile;
+ int src_x, src_y;
+ Pixmap src_pixmap;
+
+ if (tile_needs_clipping[i].start == GFX_MASK_SPARKLING)
+ {
+ /* special case -- should be cleaned up sometimes... */
+ src_pixmap = clipmask[PIX_BACK];
+ src_x = SX + GFX_PER_LINE*TILEX;
+ src_y = SY + j*TILEY;
+ }
+ else if (graphic >= GFX_START_ROCKSSCREEN &&
+ graphic <= GFX_END_ROCKSSCREEN)
+ {
+ src_pixmap = clipmask[PIX_BACK];
+ graphic -= GFX_START_ROCKSSCREEN;
+ src_x = SX + (graphic % GFX_PER_LINE) * TILEX;
+ src_y = SY + (graphic / GFX_PER_LINE) * TILEY;
+ }
+ else if (graphic >= GFX_START_ROCKSHEROES &&
+ graphic <= GFX_END_ROCKSHEROES)
+ {
+ src_pixmap = clipmask[PIX_HEROES];
+ graphic -= GFX_START_ROCKSHEROES;
+ src_x = (graphic % HEROES_PER_LINE) * TILEX;
+ src_y = (graphic / HEROES_PER_LINE) * TILEY;
+ }
+ else if (graphic >= GFX_START_ROCKSFONT &&
+ graphic <= GFX_END_ROCKSFONT)
+ {
+ src_pixmap = clipmask[PIX_BIGFONT];
+ graphic -= GFX_START_ROCKSFONT;
+ src_x = (graphic % FONT_CHARS_PER_LINE) * TILEX;
+ src_y = (graphic / FONT_CHARS_PER_LINE) * TILEY +
+ FC_SPECIAL1 * FONT_LINES_PER_FONT * TILEY;
+ }
+ else
+ break;
+
+ tile_clipmask[tile] = XCreatePixmap(display, window, TILEX,TILEY, 1);
+
+ XCopyArea(display,src_pixmap,tile_clipmask[tile],copy_clipmask_gc,
+ src_x,src_y, TILEX,TILEY, 0,0);
+ }
+ }
+