+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file surface.cpp
-** \brief Template File
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** 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
-**
-** === N O T E S ===========================================================
-**
-** ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#define SYNFIG_NO_ANGLE
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "canvas.h"
-#include "surface.h"
-#include "target_scanline.h"
-#include "general.h"
-
-#ifdef HAS_VIMAGE
-#include <Accelerate/Accelerate.h>
-#endif
-
-#endif
-
-using namespace synfig;
-using namespace std;
-using namespace etl;
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-class target2surface : public synfig::Target_Scanline
-{
-public:
- Surface *surface;
- bool sized;
-public:
- target2surface(Surface *surface);
- virtual ~target2surface();
-
- virtual bool set_rend_desc(synfig::RendDesc *newdesc);
-
- virtual bool start_frame(synfig::ProgressCallback *cb);
-
- virtual void end_frame();
-
- virtual Color * start_scanline(int scanline);
-
- virtual bool end_scanline();
-};
-
-target2surface::target2surface(Surface *surface):surface(surface)
-{
-}
-
-target2surface::~target2surface()
-{
-}
-
-bool
-target2surface::set_rend_desc(synfig::RendDesc *newdesc)
-{
- assert(newdesc);
- assert(surface);
- desc=*newdesc;
- return synfig::Target_Scanline::set_rend_desc(newdesc);
-}
-
-bool
-target2surface::start_frame(synfig::ProgressCallback */*cb*/)
-{
- if(surface->get_w() != desc.get_w() || surface->get_h() != desc.get_h())
- {
- surface->set_wh(desc.get_w(),desc.get_h());
- }
- return true;
-}
-
-void
-target2surface::end_frame()
-{
- return;
-}
-
-Color *
-target2surface::start_scanline(int scanline)
-{
- return (*surface)[scanline];
-}
-
-bool
-target2surface::end_scanline()
-{
- return true;
-}
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-Target_Scanline::Handle
-synfig::surface_target(Surface *surface)
-{
- return Target_Scanline::Handle(new target2surface(surface));
-}
-
-void
-synfig::Surface::clear()
-{
-#ifdef HAS_VIMAGE
- fill(Color(0.5,0.5,0.5,0.0000001));
-#else
- etl::surface<Color, ColorAccumulator, ColorPrep>::clear();
-#endif
-}
-
-void
-synfig::Surface::blit_to(alpha_pen& pen, int x, int y, int w, int h)
-{
- static const float epsilon(0.00001);
- const float alpha(pen.get_alpha());
- if( pen.get_blend_method()==Color::BLEND_STRAIGHT && fabs(alpha-1.0f)<epsilon )
- {
- if(x>=get_w() || y>=get_w())
- return;
-
- //clip source origin
- if(x<0)
- {
- w+=x; //decrease
- x=0;
- }
-
- if(y<0)
- {
- h+=y; //decrease
- y=0;
- }
-
- //clip width against dest width
- w = min((long)w,(long)(pen.end_x()-pen.x()));
- h = min((long)h,(long)(pen.end_y()-pen.y()));
-
- //clip width against src width
- w = min(w,get_w()-x);
- h = min(h,get_h()-y);
-
- if(w<=0 || h<=0)
- return;
-
- for(int i=0;i<h;i++)
- {
- char* src(static_cast<char*>(static_cast<void*>(operator[](y)+x))+i*get_w()*sizeof(Color));
- char* dest(static_cast<char*>(static_cast<void*>(pen.x()))+i*pen.get_width()*sizeof(Color));
- memcpy(dest,src,w*sizeof(Color));
- }
- return;
- }
-
-#ifdef HAS_VIMAGE
- if( pen.get_blend_method()==Color::BLEND_COMPOSITE && fabs(alpha-1.0f)<epsilon )
- {
- if(x>=get_w() || y>=get_w())
- return;
-
- //clip source origin
- if(x<0)
- {
- //u-=x; //increase
- w+=x; //decrease
- x=0;
- }
-
- if(y<0)
- {
- //v-=y; //increase
- h+=y; //decrease
- y=0;
- }
-
- //clip width against dest width
- w = min(w,pen.end_x()-pen.x());
- h = min(h,pen.end_y()-pen.y());
-
- //clip width against src width
- w = min(w,get_w()-x);
- h = min(h,get_h()-y);
-
- if(w<=0 || h<=0)
- return;
-
-
-
- vImage_Buffer top,bottom;
- vImage_Buffer& dest(bottom);
-
- top.data=static_cast<void*>(operator[](y)+x);
- top.height=h;
- top.width=w;
- //top.rowBytes=get_w()*sizeof(Color); //! \todo this should get the pitch!!
- top.rowBytes=get_pitch();
-
- bottom.data=static_cast<void*>(pen.x());
- bottom.height=h;
- bottom.width=w;
- //bottom.rowBytes=pen.get_width()*sizeof(Color); //! \todo this should get the pitch!!
- bottom.rowBytes=pen.get_pitch(); //! \todo this should get the pitch!!
-
- vImage_Error ret;
- ret=vImageAlphaBlend_ARGBFFFF(&top,&bottom,&dest,kvImageNoFlags);
-
- assert(ret!=kvImageNoError);
-
- return;
- }
-#endif
- etl::surface<Color, ColorAccumulator, ColorPrep>::blit_to(pen,x,y,w,h);
-}
-
projects / synfig.git / blobdiff