--- /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