+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file target_scanline.cpp
-** \brief Template File
-**
-** $Id$
-**
-** \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
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "target_scanline.h"
-#include "string.h"
-#include "surface.h"
-#include "render.h"
-#include "canvas.h"
-#include "context.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-
-/* === M A C R O S ========================================================= */
-
-// 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
-
-#define USE_PIXELRENDERING_LIMIT 1
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-Target_Scanline::Target_Scanline():
- threads_(2)
-{
- curr_frame_=0;
-}
-
-int
-Target_Scanline::next_frame(Time& time)
-{
- int
- total_frames(1),
- frame_start(0),
- frame_end(0);
- Time
- time_start(0),
- time_end(0);
-
- // 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.
- if(desc.get_frame_end()==desc.get_frame_start())
- desc.set_frame_end(desc.get_frame_start()+1);
-
- frame_start=desc.get_frame_start();
- 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);
-
-// int total_tiles(total_tiles());
- time=(time_end-time_start)*curr_frame_/total_frames+time_start;
- curr_frame_++;
-
-/* synfig::info("curr_frame_: %d",curr_frame_);
- synfig::info("total_frames: %d",total_frames);
- synfig::info("time_end: %s",time_end.get_string().c_str());
- synfig::info("time_start: %s",time_start.get_string().c_str());
-*/
-// synfig::info("time: %s",time.get_string().c_str());
-
- return total_frames- curr_frame_+1;
-}
-bool
-synfig::Target_Scanline::render(ProgressCallback *cb)
-{
- SuperCallback super_cb;
- int
-// i=0,
- total_frames,
- quality=get_quality(),
- frame_start,
- frame_end;
- Time
- t=0,
- time_start,
- time_end;
-
- assert(canvas);
- curr_frame_=0;
-
- 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.
- if(desc.get_frame_end()==desc.get_frame_start())
- desc.set_frame_end(desc.get_frame_start()+1);
-
- frame_start=desc.get_frame_start();
- 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++)
- //{
- //t=((time_end-time_start)*((Real)i/(Real)total_frames)).round(desc.get_frame_rate())+time_start;
-
- // If we have a callback, and it returns
- // 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;
- 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
-
- // If the quality is set to zero, then we
- // use the parametric scanline-renderer.
- if(quality==0)
- {
- if(threads_<=0)
- {
- if(!synfig::render(context,this,desc,0))
- return false;
- }
- else
- {
- if(!synfig::render_threaded(context,this,desc,0,threads_))
- return false;
- }
- }
- else // If quality is set otherwise, then we use the accelerated renderer
- {
- #if USE_PIXELRENDERING_LIMIT
- if(desc.get_w()*desc.get_h() > PIXEL_RENDERING_LIMIT)
- {
- 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("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-1)
- {
- if(!lastrowheight) break;
- blockrd.set_subwindow(0,i*rowheight,desc.get_w(),lastrowheight);
- }
- else
- {
- 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"));
- return false;
- }else
- {
- 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);
- if(!colordata)
- {
- 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++)
- colordata[i] = Color::blend(surface[y][i],desc.get_bg_color(),1.0f);
- }
- else
- memcpy(colordata,surface[y],rowspan);
-
- if(!end_scanline())
- {
- throw(string("add_frame(): target panic on end_scanline()"));
- return false;
- }
- }
- }
- }
-
- end_frame();
-
- }else //use normal rendering...
- {
- #endif
- Surface surface;
-
- if(!context.accelerated_render(&surface,quality,desc,0))
- {
- // For some reason, the accelerated renderer failed.
- if(cb)cb->error(_("Accelerated Renderer Failure"));
- return false;
- }
- else
- {
- // Put the surface we renderer
- // onto the target.
- if(!add_frame(&surface))
- {
- if(cb)cb->error(_("Unable to put surface on target"));
- return false;
- }
- }
- #if USE_PIXELRENDERING_LIMIT
- }
- #endif
- }
- }while((i=next_frame(t)));
- else
- {
- // 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;
- 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
-
- // If the quality is set to zero, then we
- // use the parametric scanline-renderer.
- if(quality==0)
- {
- if(threads_<=0)
- {
- if(!synfig::render(context,this,desc,cb))
- return false;
- }
- else
- {
- if(!synfig::render_threaded(context,this,desc,cb,threads_))
- return false;
- }
- }
- else // If quality is set otherwise, then we use the accelerated renderer
- {
- #if USE_PIXELRENDERING_LIMIT
- if(desc.get_w()*desc.get_h() > PIXEL_RENDERING_LIMIT)
- {
- 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("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-1)
- {
- if(!lastrowheight) break;
- blockrd.set_subwindow(0,i*rowheight,desc.get_w(),lastrowheight);
- }
- else
- {
- 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"));
- return false;
- }else
- {
- 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);
- if(!colordata)
- {
- 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++)
- colordata[i] = Color::blend(surface[y][i],desc.get_bg_color(),1.0f);
- }
- else
- memcpy(colordata,surface[y],rowspan);
-
- if(!end_scanline())
- {
- throw(string("add_frame(): target panic on end_scanline()"));
- return false;
- }
- }
- }
-
- //I'm done with this part
- sc.amount_complete(100,100);
- }
-
- end_frame();
-
- }else
- {
- #endif
- Surface surface;
-
- if(!context.accelerated_render(&surface,quality,desc,cb))
- {
- if(cb)cb->error(_("Accelerated Renderer Failure"));
- return false;
- }
- else
- {
- // Put the surface we renderer
- // onto the target.
- if(!add_frame(&surface))
- {
- if(cb)cb->error(_("Unable to put surface on target"));
- return false;
- }
- }
- #if USE_PIXELRENDERING_LIMIT
- }
- #endif
- }
- }
-
- }
- catch(String str)
- {
- if(cb)cb->error(_("Caught string :")+str);
- return false;
- }
- catch(std::bad_alloc)
- {
- if(cb)cb->error(_("Ran out of memory (Probably a bug)"));
- return false;
- }
- catch(...)
- {
- if(cb)cb->error(_("Caught unknown error, rethrowing..."));
- throw;
- }
- return true;
-}
-
-bool
-Target_Scanline::add_frame(const Surface *surface)
-{
- assert(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);
- if(!colordata)
- {
- 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++)
- colordata[i]=Color::blend((*surface)[y][i],desc.get_bg_color(),1.0f);
- }
- else
- memcpy(colordata,(*surface)[y],rowspan);
-
- if(!end_scanline())
- {
- throw(string("add_frame(): target panic on end_scanline()"));
- return false;
- }
- }
-
- end_frame();
-
- return true;
-}
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