Added copyright lines for files I've edited this year.
[synfig.git] / synfig-core / trunk / src / synfig / target_scanline.cpp
index 24a18a4..e8ea05b 100644 (file)
@@ -2,10 +2,11 @@
 /*!    \file target_scanline.cpp
 **     \brief Template File
 **
-**     $Id: target_scanline.cpp,v 1.1.1.1 2005/01/04 01:23:15 darco Exp $
+**     $Id$
 **
 **     \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
@@ -50,7 +51,7 @@ using namespace synfig;
 
 #define PIXEL_RENDERING_LIMIT 1500000
 
-#define USE_PIXELRENDERING_LIMIT 0
+#define USE_PIXELRENDERING_LIMIT 1
 
 /* === G L O B A L S ======================================================= */
 
@@ -85,11 +86,11 @@ Target_Scanline::next_frame(Time& time)
        frame_end=desc.get_frame_end();
        time_start=desc.get_time_start();
        time_end=desc.get_time_end();
-       
+
        // Calculate the number of frames
        total_frames=frame_end-frame_start;
        if(total_frames<=0)total_frames=1;
-       
+
        //RendDesc rend_desc=desc;
        //rend_desc.set_gamma(1);
 
@@ -124,8 +125,11 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
        assert(canvas);
        curr_frame_=0;
 
-       init();
-       
+       if( !init() ){
+               if(cb) cb->error(_("Target initialization failure"));
+               return false;
+       }
+
        // If the description's end frame is equal to
        // the start frame, then it is assumed that we
        // are rendering only one frame. Correct it.
@@ -136,22 +140,22 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
        frame_end=desc.get_frame_end();
        time_start=desc.get_time_start();
        time_end=desc.get_time_end();
-       
+
        // Calculate the number of frames
        total_frames=frame_end-frame_start;
-       
-       
+
+
        //RendDesc rend_desc=desc;
-               
+
        try {
        // Grab the time
        int i=next_frame(t);
-       
+
        //synfig::info("1time_set_to %s",t.get_string().c_str());
-       
+
        if(i>1)
        do{
-       
+
        //if(total_frames>1)
        //for(i=0,t=time_start;i<total_frames;i++)
        //{
@@ -161,21 +165,22 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                // false, go ahead and bail. (it may be a user cancel)
                if(cb && !cb->amount_complete(total_frames-(i-1),total_frames))
                        return false;
-               
+
                // Set the time that we wish to render
                if(!get_avoid_time_sync() || canvas->get_time()!=t)
                        canvas->set_time(t);
-               
+
                Context context;
-               
+
                #ifdef SYNFIG_OPTIMIZE_LAYER_TREE
                Canvas::Handle op_canvas(Canvas::create());
-               optimize_layers(canvas->get_context(), op_canvas);
+               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();
                #endif
-               
+
                // If the quality is set to zero, then we
                // use the parametric scanline-renderer.
                if(quality==0)
@@ -195,31 +200,31 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                {
                        #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;                                
+                       {
+                               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())
                                {
                                        throw(string("add_frame(): target panic on start_frame()"));
                                        return false;
                                }
-                               
+
                                for(int i=0; i < rows; ++i)
                                {
                                        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);
@@ -228,7 +233,7 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                        {
                                                blockrd.set_subwindow(0,i*rowheight,desc.get_w(),rowheight);
                                        }
-                                       
+
                                        if(!context.accelerated_render(&surface,quality,blockrd,0))
                                        {
                                                if(cb)cb->error(_("Accelerated Renderer Failure"));
@@ -238,9 +243,9 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                                int y;
                                                int rowspan=sizeof(Color)*surface.get_w();
                                                Surface::pen pen = surface.begin();
-                                               
+
                                                int yoff = i*rowheight;
-                                               
+
                                                for(y = 0; y < blockrd.get_h(); y++, pen.inc_y())
                                                {
                                                        Color *colordata= start_scanline(y + yoff);
@@ -249,7 +254,7 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                                                throw(string("add_frame(): call to start_scanline(y) returned NULL"));
                                                                return false;
                                                        }
-                                                       
+
                                                        if(get_remove_alpha())
                                                        {
                                                                for(int i = 0; i < surface.get_w(); i++)
@@ -257,7 +262,7 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                                        }
                                                        else
                                                                memcpy(colordata,surface[y],rowspan);
-                                               
+
                                                        if(!end_scanline())
                                                        {
                                                                throw(string("add_frame(): target panic on end_scanline()"));
@@ -265,15 +270,15 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                                        }
                                                }
                                        }
-                               }       
+                               }
+
+                               end_frame();
 
-                               end_frame();                            
-                               
                        }else //use normal rendering...
                        {
                        #endif
                                Surface surface;
-                               
+
                                if(!context.accelerated_render(&surface,quality,desc,0))
                                {
                                        // For some reason, the accelerated renderer failed.
@@ -301,15 +306,16 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                if(!get_avoid_time_sync() || canvas->get_time()!=t)
                        canvas->set_time(t);
                Context context;
-               
+
                #ifdef SYNFIG_OPTIMIZE_LAYER_TREE
                Canvas::Handle op_canvas(Canvas::create());
-               optimize_layers(canvas->get_context(), op_canvas);
+               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();
                #endif
-               
+
                // If the quality is set to zero, then we
                // use the parametric scanline-renderer.
                if(quality==0)
@@ -330,31 +336,31 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                        #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();                         
+                               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())
                                {
                                        throw(string("add_frame(): target panic on start_frame()"));
                                        return false;
                                }
-                               
+
                                for(int i=0; i < rows; ++i)
                                {
                                        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);
@@ -363,9 +369,9 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                        {
                                                blockrd.set_subwindow(0,i*rowheight,desc.get_w(),rowheight);
                                        }
-                                       
+
                                        SuperCallback   sc(cb, i*rowheight, (i+1)*rowheight, totalheight);
-                                       
+
                                        if(!context.accelerated_render(&surface,quality,blockrd,&sc))
                                        {
                                                if(cb)cb->error(_("Accelerated Renderer Failure"));
@@ -375,9 +381,9 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                                int y;
                                                int rowspan=sizeof(Color)*surface.get_w();
                                                Surface::pen pen = surface.begin();
-                                               
+
                                                int yoff = i*rowheight;
-                                               
+
                                                for(y = 0; y < blockrd.get_h(); y++, pen.inc_y())
                                                {
                                                        Color *colordata= start_scanline(y + yoff);
@@ -386,7 +392,7 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                                                throw(string("add_frame(): call to start_scanline(y) returned NULL"));
                                                                return false;
                                                        }
-                                                       
+
                                                        if(get_remove_alpha())
                                                        {
                                                                for(int i = 0; i < surface.get_w(); i++)
@@ -394,7 +400,7 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                                        }
                                                        else
                                                                memcpy(colordata,surface[y],rowspan);
-                                               
+
                                                        if(!end_scanline())
                                                        {
                                                                throw(string("add_frame(): target panic on end_scanline()"));
@@ -402,18 +408,18 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                                                        }
                                                }
                                        }
-                                       
+
                                        //I'm done with this part
                                        sc.amount_complete(100,100);
-                               }       
+                               }
+
+                               end_frame();
 
-                               end_frame();                            
-                               
                        }else
                        {
-                       #endif                  
+                       #endif
                                Surface surface;
-                               
+
                                if(!context.accelerated_render(&surface,quality,desc,cb))
                                {
                                        if(cb)cb->error(_("Accelerated Renderer Failure"));
@@ -434,7 +440,7 @@ synfig::Target_Scanline::render(ProgressCallback *cb)
                        #endif
                }
        }
-       
+
        }
        catch(String str)
        {
@@ -463,13 +469,13 @@ Target_Scanline::add_frame(const Surface *surface)
        int y;
        int rowspan=sizeof(Color)*surface->get_w();
        Surface::const_pen pen=surface->begin();
-       
+
        if(!start_frame())
        {
                throw(string("add_frame(): target panic on start_frame()"));
                return false;
        }
-               
+
        for(y=0;y<surface->get_h();y++,pen.inc_y())
        {
                Color *colordata= start_scanline(y);
@@ -478,7 +484,7 @@ Target_Scanline::add_frame(const Surface *surface)
                        throw(string("add_frame(): call to start_scanline(y) returned NULL"));
                        return false;
                }
-               
+
                if(get_remove_alpha())
                {
                        for(int i=0;i<surface->get_w();i++)
@@ -486,15 +492,15 @@ Target_Scanline::add_frame(const Surface *surface)
                }
                else
                        memcpy(colordata,(*surface)[y],rowspan);
-       
+
                if(!end_scanline())
                {
                        throw(string("add_frame(): target panic on end_scanline()"));
                        return false;
                }
        }
-       
+
        end_frame();
-       
+
        return true;
 }