**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2008 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
/* === M A C R O S ========================================================= */
-#define SYNFIG_OPTIMIZE_LAYER_TREE 1
+// 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
#define PIXEL_RENDERING_LIMIT 1500000
curr_frame_=0;
if( !init() ){
- if(cb) cb->error(_("Target initialisation failure"));
+ if(cb) cb->error(_("Target initialization failure"));
return false;
}
Context context;
- #ifdef SYNFIG_OPTIMIZE_LAYER_TREE
- Canvas::Handle op_canvas(Canvas::create());
- optimize_layers(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 the quality is set to zero, then we
// use the parametric scanline-renderer.
#if USE_PIXELRENDERING_LIMIT
if(desc.get_w()*desc.get_h() > PIXEL_RENDERING_LIMIT)
{
- synfig::info("Render BROKEN UP! (%d pixels)", desc.get_w()*desc.get_h());
-
Surface surface;
int rowheight = PIXEL_RENDERING_LIMIT/desc.get_w();
+ if (!rowheight) rowheight = 1; // TODO: render partial lines to stay within the limit?
int rows = desc.get_h()/rowheight;
int lastrowheight = desc.get_h() - rows*rowheight;
rows++;
- synfig::info("\t blockh=%d,remh=%d,totrows=%d", rowheight,lastrowheight,rows);
+ synfig::info("Render broken up into %d block%s %d pixels tall, and a final block %d pixels tall",
+ rows-1, rows==2?"":"s", rowheight, lastrowheight);
// loop through all the full rows
if(!start_frame())
RendDesc blockrd = desc;
//render the strip at the normal size unless it's the last one...
- if(i == rows)
+ if(i == rows-1)
{
if(!lastrowheight) break;
blockrd.set_subwindow(0,i*rowheight,desc.get_w(),lastrowheight);
canvas->set_time(t);
Context context;
- #ifdef SYNFIG_OPTIMIZE_LAYER_TREE
- Canvas::Handle op_canvas(Canvas::create());
- optimize_layers(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 the quality is set to zero, then we
// use the parametric scanline-renderer.
#if USE_PIXELRENDERING_LIMIT
if(desc.get_w()*desc.get_h() > PIXEL_RENDERING_LIMIT)
{
- synfig::info("Render BROKEN UP! (%d pixels)", desc.get_w()*desc.get_h());
-
Surface surface;
int totalheight = desc.get_h();
int rowheight = PIXEL_RENDERING_LIMIT/desc.get_w();
+ if (!rowheight) rowheight = 1; // TODO: render partial lines to stay within the limit?
int rows = desc.get_h()/rowheight;
int lastrowheight = desc.get_h() - rows*rowheight;
rows++;
- synfig::info("\t blockh=%d,remh=%d,totrows=%d", rowheight,lastrowheight,rows);
+ synfig::info("Render broken up into %d block%s %d pixels tall, and a final block %d pixels tall",
+ rows-1, rows==2?"":"s", rowheight, lastrowheight);
// loop through all the full rows
if(!start_frame())
RendDesc blockrd = desc;
//render the strip at the normal size unless it's the last one...
- if(i == rows)
+ if(i == rows-1)
{
if(!lastrowheight) break;
blockrd.set_subwindow(0,i*rowheight,desc.get_w(),lastrowheight);