support for lossy images in the pixmap cache and fill bits

1) add an option to determine if a bitmap can be sent lossy to the client
2) when required, replacing lossy cache items with their correspending
   lossless bitmaps

1 files changed, 22 insertions, 1 deletions

diff --git a/client/canvas.h b/client/canvas.h
index 8d64ca3f..f0314b93 100644
--- a/client/canvas.h
+++ b/client/canvas.h
@@ -163,17 +163,38 @@ public:
         cache->add(id, surface);
     }
 
+    static void op_put_lossy(SpiceImageCache *c, uint64_t id, pixman_image_t *surface)
+    {
+        PixmapCache* cache = reinterpret_cast<PixmapCache*>(c);
+        cache->add(id, surface, TRUE);
+    }
+
+    static void op_replace_lossy(SpiceImageCache *c, uint64_t id, pixman_image_t *surface)
+    {
+        PixmapCache* cache = reinterpret_cast<PixmapCache*>(c);
+        cache->replace(id, surface);
+    }
+
     static pixman_image_t* op_get(SpiceImageCache *c, uint64_t id)
     {
         PixmapCache* cache = reinterpret_cast<PixmapCache*>(c);
         return cache->get(id);
     }
 
+    static pixman_image_t* op_get_lossless(SpiceImageCache *c, uint64_t id)
+    {
+        PixmapCache* cache = reinterpret_cast<PixmapCache*>(c);
+        return cache->get_lossless(id);
+    }
+
     SpiceImageCacheBase()
     {
         static SpiceImageCacheOps cache_ops = {
             op_put,
-            op_get
+            op_get,
+            op_put_lossy,
+            op_replace_lossy,
+            op_get_lossless
         };
         base.ops = &cache_ops;
     }