mirror of https://github.com/vitalif/openscad
23 lines
750 B
C++
23 lines
750 B
C++
#include "imageutils.h"
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#include "lodepng.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <vector>
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#include <iterator>
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#include <algorithm>
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bool write_png(std::ostream &output, unsigned char *pixels, int width, int height)
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{
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std::vector<unsigned char> dataout;
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lodepng::State state;
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state.encoder.auto_convert = LAC_NO;
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// some png renderers have different interpretations of alpha, so don't use it
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state.info_png.color.colortype = LCT_RGB;
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state.info_png.color.bitdepth = 8;
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unsigned err = lodepng::encode(dataout, pixels, width, height, state);
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if ( err ) return false;
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output.write( reinterpret_cast<const char *>(&dataout[0]), dataout.size());
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if ( output.bad() ) std::cerr << "Error writing to ostream\n";
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return output.good();
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}
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