1 files changed, 78 insertions, 0 deletions
diff --git a/xpdf/TileCache.h b/xpdf/TileCache.h
new file mode 100644
index 0000000..bea58c4
--- /dev/null
+++ b/xpdf/TileCache.h
@@ -0,0 +1,78 @@
+//========================================================================
+//
+// TileCache.h
+//
+// Copyright 2014 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef TILECACHE_H
+#define TILECACHE_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "gtypes.h"
+#include "SplashTypes.h"
+
+class SplashBitmap;
+class SplashOutputDev;
+class DisplayState;
+class CachedTileDesc;
+class TileCacheThreadPool;
+class TileDesc;
+
+//------------------------------------------------------------------------
+
+class TileCache {
+public:
+
+  TileCache(DisplayState *stateA);
+  ~TileCache();
+
+  // Set the list of currently displayed tiles (TileDesc objects).
+  void setActiveTileList(GList *tiles);
+
+  // Return the bitmap for a tile.  The tile must be on the current
+  // active list.  This can return NULL if tile rasterization hasn't
+  // started yet.  If <finished> is non-NULL, *<finished> will be set
+  // to true if rasterization of this bitmap is finished, false
+  // otherwise.
+  SplashBitmap *getTileBitmap(TileDesc *tile, GBool *finished);
+
+  // Set a callback to be called whenever a tile rasterization is
+  // finished.  NB: this callback will be called from a worker thread.
+  void setTileDoneCbk(void (*cbk)(void *data), void *data)
+    { tileDoneCbk = cbk; tileDoneCbkData = data; }
+
+  void paperColorChanged();
+  void reverseVideoChanged();
+  void optionalContentChanged();
+  void docChanged();
+  void forceRedraw();
+
+private:
+
+  int findTile(TileDesc *tile, GList *tileList);
+  void cleanCache();
+  void flushCache(GBool wait);
+  void removeTile(CachedTileDesc *ct);
+  GBool hasUnstartedTiles();
+  CachedTileDesc *getUnstartedTile();
+  static void startPageCbk(void *data);
+  void rasterizeTile(CachedTileDesc *tile);
+  static GBool abortCheckCbk(void *data);
+
+  DisplayState *state;
+  GList *cache;			// [CachedTileDesc]
+  TileCacheThreadPool *threadPool;
+  void (*tileDoneCbk)(void *data);
+  void *tileDoneCbkData;
+
+  friend class TileCacheThreadPool;
+};
+
+#endif