mirror of https://github.com/vitalif/openscad
27 lines
841 B
C++
27 lines
841 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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bool write_png(std::ostream &output, unsigned char *pixels, int width, int height)
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{
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//encoder.settings.zlibsettings.windowSize = 2048;
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//LodePNG_Text_add(&encoder.infoPng.text, "Comment", "Created with LodePNG");
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size_t dataout_size = -1;
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bool result = false;
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unsigned char *dataout = (unsigned char *)malloc(width*height*4);
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if (!dataout) {
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perror("Error allocating memory while writing png\n");
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return result;
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}
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LodePNG_encode(&dataout, &dataout_size, pixels, width, height, LCT_RGBA, 8);
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try {
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output.write( reinterpret_cast<const char*>(dataout), dataout_size );
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result = true;
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} catch (const std::ios_base::failure &e) {
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std::cerr << "Error writing to ostream:" << e.what() << "\n";
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}
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free( dataout );
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return result;
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}
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