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32 lines
767 B
C++
32 lines
767 B
C++
#include <CtrlLib/CtrlLib.h>
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#include <plugin/jpg/jpg.h>
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using namespace Upp;
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GUI_APP_MAIN
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{
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FileSel fs;
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fs.Type("Image file", "*.bmp;*.png;*.tif;*.tiff;*.jpg;*.jpeg;*.gif");
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if(!fs.ExecuteOpen("Choose the image file to convert"))
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return;
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String fn = ~fs;
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JPGEncoder jpg(20);
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FileIn in(fn);
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One<StreamRaster> raster = StreamRaster::OpenAny(in);
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if(!raster) {
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Exclamation("Invalid input");
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return;
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}
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FileOut out(fn + ".out.png");
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jpg.SetStream(out);
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jpg.Create(raster->GetSize());
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for(int i = 0; i < raster->GetHeight(); i++) {
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RasterLine l = raster->GetLine(i);
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Buffer<RGBA> out(raster->GetWidth());
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for(int j = 0; j < raster->GetWidth(); j++) {
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out[j].g = out[j].b = out[j].r = l[j].g;
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out[j].a = 255;
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}
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jpg.WriteLine(out);
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}
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}
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