34 lines
866 B
C++
34 lines
866 B
C++
#include "Image.h"
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#include "PngWriter.h"
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#include "PngWriterImpl.h"
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#include <iostream>
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int main()
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{
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unsigned width = 200;
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unsigned height = 200;
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unsigned numChannels = 3;
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auto image = Image<unsigned char>::Create(width, height);
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image->setNumChannels(numChannels);
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std::vector<unsigned char> data(image->getBytesPerRow()*height, 0);
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for(unsigned jdx=0;jdx<height;jdx++)
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{
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const auto heightOffset = jdx*image->getBytesPerRow();
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for(unsigned idx=0;idx<width*numChannels;idx+=numChannels)
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{
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const auto index = heightOffset + idx;
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data[index] = (idx%2 == 0) ? 255*jdx/(height+1) : 0;
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data[index+1] = 0;
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data[index+2] = 0;
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}
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}
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image->setData(data);
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PngWriter writer;
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writer.SetPath("test.png");
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writer.Write(image);
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return 0;
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}
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