it compiles.. does it work?

1 files changed, 98 insertions, 0 deletions

diff --git a/otk_c/gccache.h b/otk_c/gccache.h
new file mode 100644
index 00000000..f6657f48
--- /dev/null
+++ b/otk_c/gccache.h
@@ -0,0 +1,98 @@
+// -*- mode: C; indent-tabs-mode: nil; -*-
+#ifndef __gccache_h
+#define __gccache_h
+
+#include <X11/Xlib.h>
+
+#include "display.h"
+#include "color.h"
+
+struct OtkGCCacheItem;
+
+typedef struct OtkGCCacheContext {
+  GC gc;
+  unsigned long pixel;
+  unsigned long fontid;
+  int function;
+  int subwindow;
+  Bool used;
+  unsigned int screen;
+  int linewidth;
+} OtkGCCacheContext;
+
+OtkGCCacheContext *OtkGCCacheContext_New();
+void OtkGCCacheContext_Destroy(OtkGCCacheContext *self);
+
+void OtkGCCacheContext_Set(OtkGCCacheContext *self,
+			   OtkColor *color, XFontStruct *font,
+			   int function, int subwindow, int linewidth);
+void OtkGCCacheContext_SetFont(OtkGCCacheContext *self,
+			       XFontStruct *font);
+
+
+typedef struct OtkGCCacheItem {
+  OtkGCCacheContext *ctx;
+  unsigned int count;
+  unsigned int hits;
+  Bool fault;
+} OtkGCCacheItem;
+
+OtkGCCacheItem *OtkGCCacheItem_New();
+
+
+typedef struct OtkGCCache {
+  // this is closely modelled after the Qt GC cache, but with some of the
+  // complexity stripped out
+  unsigned int context_count;
+  unsigned int cache_size;
+  unsigned int cache_buckets;
+  unsigned int cache_total_size;
+  OtkGCCacheContext **contexts;
+  OtkGCCacheItem **cache;
+} OtkGCCache;
+
+void OtkGCCache_Initialize(int screen_count);
+void OtkGCCache_Destroy();
+
+// cleans up the cache
+void OtkGCCache_Purge();
+
+OtkGCCacheItem *OtkGCCache_Find(OtkColor *color,
+				XFontStruct *font, int function,
+				int subwindow, int linewidth);
+void OtkGCCache_Release(OtkGCCacheItem *item);
+
+
+/*
+
+
+class BPen {
+public:
+  inline BPen(const BColor &_color,  const XFontStruct * const _font = 0,
+              int _linewidth = 0, int _function = GXcopy,
+              int _subwindow = ClipByChildren)
+    : color(_color), font(_font), linewidth(_linewidth), function(_function),
+      subwindow(_subwindow), cache(OBDisplay::gcCache()), item(0) { }
+
+  inline ~BPen(void) { if (item) cache->release(item); }
+
+  inline const GC &gc(void) const {
+    if (! item) item = cache->find(color, font, function, subwindow,
+                                   linewidth);
+    return item->gc();
+  }
+
+private:
+  const BColor &color;
+  const XFontStruct *font;
+  int linewidth;
+  int function;
+  int subwindow;
+
+  mutable BGCCache *cache;
+  mutable BGCCacheItem *item;
+};
+
+}*/
+
+#endif // __gccache_h