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  • Committer: Bazaar Package Importer
  • Author(s): Milan Zamazal
  • Date: 2007-05-01 16:32:13 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20070501163213-ni1933khtg9fdvn5
Tags: 0.3.5-2
Move to unstable.

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imagesource/imagesource_util.cpp
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#include "imagesource_gdkpixbuf.h"
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#include "imagesource_gs.h"
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#include "imagesource_scale.h"
 
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#include "imagesource_scale.h"
 
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#include "imagesource_downsample.h"
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#include "imagesource_bilinear.h"
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#include "imagesource_lanczossinc.h"
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        {"Fast","Very fast scaling with no interpolation"},
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        {"Bilinear","An interpolation filter with mediocre speed and quality"},
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        {"LanczosSinc","Slow but very high quality interpolation filter"},
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        NULL
 
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        {NULL,NULL},
 
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        {"Downsample","High quality filter for reductions only"}
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};
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        // don't use an expensive scaling function if the image is being reduced...
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        if((width<source->width) && (height<source->height))
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        {
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                cerr << "Image is being shrunk - using Nearest Neighbour scaling" << endl;
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                quality=IS_SCALING_NEARESTNEIGHBOUR;
 
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        {
 
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                switch(quality)
 
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                {
 
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                        case IS_SCALING_NEARESTNEIGHBOUR:
 
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                                cerr << "Image is being shrunk - using Nearest Neighbour scaling" << endl;
 
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                                quality=IS_SCALING_NEARESTNEIGHBOUR;
 
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                                break;
 
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                        default:
 
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                                cerr << "Using Downsample filter..." << endl;
 
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                                quality=IS_SCALING_DOWNSAMPLE;
 
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                                break;
 
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                }
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        }
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        switch(quality)
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                case IS_SCALING_NEARESTNEIGHBOUR:
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                case IS_SCALING_LANCZOSSINC:
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                case IS_SCALING_BILINEAR:
 
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                case IS_SCALING_DOWNSAMPLE:
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                        break;
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                case IS_SCALING_AUTOMATIC:
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                default:
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                        break;
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                case IS_SCALING_LANCZOSSINC:
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                        result=new ImageSource_LanczosSinc(source,width,height);
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                        break;
 
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                        break;
 
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                case IS_SCALING_DOWNSAMPLE:
 
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                        result=new ImageSource_Downsample(source,width,height);
 
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                        break;
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        }
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        return(result);
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}