mirror of https://github.com/vitalif/openscad
28 lines
774 B
C++
28 lines
774 B
C++
#include "imageutils.h"
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#include <assert.h>
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#include <string.h>
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#include <fstream>
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void flip_image(const unsigned char *src, unsigned char *dst, size_t pixelsize, size_t width, size_t height)
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{
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assert( src && dst );
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size_t rowBytes = pixelsize * width;
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for (size_t i = 0 ; i < height ; i++) {
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memmove(dst + (height - i - 1) * rowBytes, src + i * rowBytes, rowBytes);
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}
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}
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bool write_png(const char *filename, unsigned char *pixels, int width, int height) {
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assert( filename && pixels );
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std::ofstream fstream( filename, std::ios::binary );
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if (fstream.is_open()) {
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write_png( fstream, pixels, width, height );
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fstream.close();
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return true;
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} else {
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std::cerr << "Can't open file " << filename << " for export.";
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return false;
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}
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}
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