const unsigned int DEF_TILE_WIDTH = TILE_SIZE / 2;
const unsigned int DEF_TILE_HEIGHT= TILE_SIZE / 2;
+// note that if this isn't defined then the rendering is incorrect for
+// the straight blend method since the optimize_layers() function in
+// canvas.cpp which makes the straight blend method work correctly
+// isn't called. ie. leave this defined. to see the problem, draw a
+// small circle over a solid background. set circle to amount 0.99
+// and blend method 'straight'. the background should vanish but doesn't
#define SYNFIG_OPTIMIZE_LAYER_TREE
+
#ifdef _DEBUG
// #define SYNFIG_DISPLAY_EFFICIENCY
#endif
Context context;
- #ifdef SYNFIG_OPTIMIZE_LAYER_TREE
- Canvas::Handle op_canvas(Canvas::create());
- op_canvas->set_file_name(canvas->get_file_name());
- optimize_layers(canvas->get_time(), canvas->get_context(), op_canvas);
- context=op_canvas->get_context();
- #else
+#ifdef SYNFIG_OPTIMIZE_LAYER_TREE
+ Canvas::Handle op_canvas;
+ if (!getenv("SYNFIG_DISABLE_OPTIMIZE_LAYER_TREE"))
+ {
+ op_canvas = Canvas::create();
+ op_canvas->set_file_name(canvas->get_file_name());
+ optimize_layers(canvas->get_time(), canvas->get_context(), op_canvas);
+ context=op_canvas->get_context();
+ }
+ else
+ context=canvas->get_context();
+#else
context=canvas->get_context();
- #endif
+#endif
/*
#ifdef SYNFIG_OPTIMIZE_LAYER_TREE
Context context;
- #ifdef SYNFIG_OPTIMIZE_LAYER_TREE
- Canvas::Handle op_canvas(Canvas::create());
- op_canvas->set_file_name(canvas->get_file_name());
- optimize_layers(canvas->get_time(), canvas->get_context(), op_canvas);
- context=op_canvas->get_context();
- #else
+#ifdef SYNFIG_OPTIMIZE_LAYER_TREE
+ Canvas::Handle op_canvas;
+ if (!getenv("SYNFIG_DISABLE_OPTIMIZE_LAYER_TREE"))
+ {
+ op_canvas = Canvas::create();
+ op_canvas->set_file_name(canvas->get_file_name());
+ optimize_layers(canvas->get_time(), canvas->get_context(), op_canvas);
+ context=op_canvas->get_context();
+ }
+ else
+ context=canvas->get_context();
+#else
context=canvas->get_context();
- #endif
+#endif
if(!render_frame_(context, cb))
return false;