Remove .gitignore do nothing is ignored.
[synfig.git] / synfig-core / trunk / src / synfig / surface.cpp
index be287c8..91e1663 100644 (file)
@@ -1,8 +1,10 @@
-/* ========================================================================
-** Synfig
-** Template File
-** $Id: surface.cpp,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $
+/* === 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
@@ -14,6 +16,7 @@
 **     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 ===========================================================
 **
@@ -59,9 +62,9 @@ public:
        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);
@@ -85,23 +88,23 @@ target2surface::set_rend_desc(synfig::RendDesc *newdesc)
        desc=*newdesc;
        return synfig::Target_Scanline::set_rend_desc(newdesc);
 }
-       
+
 bool
-target2surface::start_frame(synfig::ProgressCallback *cb) 
-{ 
+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; 
+       return true;
 }
-       
+
 void
 target2surface::end_frame()
 {
        return;
 }
-       
+
 Color *
 target2surface::start_scanline(int scanline)
 {
@@ -148,26 +151,26 @@ synfig::Surface::blit_to(alpha_pen& pen, int x, int y, int w, int h)
                if(x<0)
                {
                        w+=x;   //decrease
-                       x=0;            
+                       x=0;
                }
-               
+
                if(y<0)
                {
                        h+=y;   //decrease
-                       y=0;            
+                       y=0;
                }
-                               
+
                //clip width against dest width
-               w = min(w,pen.end_x()-pen.x());
-               h = min(h,pen.end_y()-pen.y());
-               
+               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);   
+               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));
@@ -176,8 +179,8 @@ synfig::Surface::blit_to(alpha_pen& pen, int x, int y, int w, int h)
                }
                return;
        }
-       
-#ifdef HAS_VIMAGE      
+
+#ifdef HAS_VIMAGE
        if(     pen.get_blend_method()==Color::BLEND_COMPOSITE && fabs(alpha-1.0f)<epsilon )
        {
                if(x>=get_w() || y>=get_w())
@@ -188,23 +191,23 @@ synfig::Surface::blit_to(alpha_pen& pen, int x, int y, int w, int h)
                {
                        //u-=x; //increase
                        w+=x;   //decrease
-                       x=0;            
+                       x=0;
                }
-               
+
                if(y<0)
                {
                        //v-=y; //increase
                        h+=y;   //decrease
-                       y=0;            
+                       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);   
+               w = min(w,get_w()-x);
+               h = min(h,get_h()-y);
 
                if(w<=0 || h<=0)
                        return;
@@ -213,24 +216,24 @@ synfig::Surface::blit_to(alpha_pen& pen, int x, int y, int w, int h)
 
                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); //! \fixme this should get the pitch!!
+               //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); //! \fixme this should get the pitch!!
-               bottom.rowBytes=pen.get_pitch(); //! \fixme this should get the pitch!!
-                               
+               //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