40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
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#include "save-fl32.h"
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#include <cstdio>
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namespace msdfgen {
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// Requires byte reversal for floats on big-endian platform
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#ifndef __BIG_ENDIAN__
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template <int N>
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bool saveFl32(const BitmapConstRef<float, N> &bitmap, const char *filename) {
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if (FILE *f = fopen(filename, "wb")) {
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byte header[16] = { byte('F'), byte('L'), byte('3'), byte('2') };
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header[4] = byte(bitmap.height);
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header[5] = byte(bitmap.height>>8);
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header[6] = byte(bitmap.height>>16);
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header[7] = byte(bitmap.height>>24);
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header[8] = byte(bitmap.width);
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header[9] = byte(bitmap.width>>8);
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header[10] = byte(bitmap.width>>16);
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header[11] = byte(bitmap.width>>24);
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header[12] = byte(N);
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fwrite(header, 1, 16, f);
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fwrite(bitmap.pixels, sizeof(float), N*bitmap.width*bitmap.height, f);
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fclose(f);
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return true;
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}
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return false;
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}
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template bool saveFl32(const BitmapConstRef<float, 1> &bitmap, const char *filename);
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template bool saveFl32(const BitmapConstRef<float, 2> &bitmap, const char *filename);
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template bool saveFl32(const BitmapConstRef<float, 3> &bitmap, const char *filename);
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template bool saveFl32(const BitmapConstRef<float, 4> &bitmap, const char *filename);
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#endif
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}
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