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Viewing changes to imagesource/pixbuf_from_imagesource.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Milan Zamazal
  • Date: 2007-05-01 16:32:13 UTC
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20070501163213-k0gaendx7grjlmk5
Tags: upstream-0.3.5
Import upstream version 0.3.5

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imagesource/pixbuf_from_imagesource.cpp
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using namespace std;
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GdkPixbuf *pixbuf_from_imagesource(ImageSource *is)
 
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GdkPixbuf *pixbuf_from_imagesource(ImageSource *is,int redbg8,int greenbg8,int bluebg8)
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{
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        if(!is)
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                return(NULL);
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                                        for(int x=0;x<is->width;++x)
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                                        {
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                                                int a=255-ISTOEIGHT(src[x*4+3]);
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                                                pixels[x*3]=(ISTOEIGHT(src[x*4])*a+255*(255-a))/255;
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                                                pixels[x*3+1]=(ISTOEIGHT(src[x*4+1])*a+255*(255-a))/255;
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                                                pixels[x*3+2]=(ISTOEIGHT(src[x*4+2])*a+255*(255-a))/255;
 
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                                                pixels[x*3]=(ISTOEIGHT(src[x*4])*a+redbg8*(255-a))/255;
 
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                                                pixels[x*3+1]=(ISTOEIGHT(src[x*4+1])*a+greenbg8*(255-a))/255;
 
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                                                pixels[x*3+2]=(ISTOEIGHT(src[x*4+2])*a+bluebg8*(255-a))/255;
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                                        }               
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                                        pixels+=rowstride;      
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                                }
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                                        for(int x=0;x<is->width;++x)
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                                        {
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                                                int a=255-ISTOEIGHT(src[x*2+3]);
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                                                pixels[x*3]=(ISTOEIGHT(src[x*2])*a+255*(255-a))/255;
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                                                pixels[x*3+1]=(ISTOEIGHT(src[x*2])*a+255*(255-a))/255;
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                                                pixels[x*3+2]=(ISTOEIGHT(src[x*2])*a+255*(255-a))/255;
 
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                                                pixels[x*3]=(ISTOEIGHT(IS_SAMPLEMAX-src[x*2])*a+redbg8*(255-a))/255;
 
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                                                pixels[x*3+1]=(ISTOEIGHT(IS_SAMPLEMAX-src[x*2])*a+greenbg8*(255-a))/255;
 
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                                                pixels[x*3+2]=(ISTOEIGHT(IS_SAMPLEMAX-src[x*2])*a+bluebg8*(255-a))/255;
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                                        }               
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                                        pixels+=rowstride;      
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                                }
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                                        ISDataType *src=is->GetRow(y);
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                                        for(int x=0;x<is->width*is->samplesperpixel;++x)
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                                        {
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                                                pixels[x*3]=ISTOEIGHT(src[x]);
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                                                pixels[x*3+1]=ISTOEIGHT(src[x]);
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                                                pixels[x*3+2]=ISTOEIGHT(src[x]);
 
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                                                pixels[x*3]=ISTOEIGHT(IS_SAMPLEMAX-src[x]);
 
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                                                pixels[x*3+1]=ISTOEIGHT(IS_SAMPLEMAX-src[x]);
 
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                                                pixels[x*3+2]=ISTOEIGHT(IS_SAMPLEMAX-src[x]);
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                                        }               
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                                        pixels+=rowstride;      
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                                }