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copied!<p>You need first to get the number of colors available in the embedded palette. This is available in the DIB Header.</p> <p>Then you can read all color components that contain the palette.</p> <p>You can see all header information like offset to know whereto seek : <a href="http://en.wikipedia.org/wiki/BMP_file_format" rel="nofollow noreferrer">http://en.wikipedia.org/wiki/BMP_file_format</a>.</p> <p>This should work: (Edit: Add code to write in file)</p> <pre><code>FILE *inFile, *outFile; BMPHeader header; BMPImageInfo info; RGB *palette, *p; int i = 0; inFile = fopen("C://in.bmp", "rb"); if( !inFile ) return; if( fread(&header, sizeof(BMPHeader), 1, inFile) != 1 ) return; // Manage error and close file if( fread&info, sizeof(BMPImageInfo), 1, inFile) != 1 ) return; // Manage error and close file if( info.numColors > 0 ) { palette = (RGB*)malloc(sizeof(RGB) * info.numColors); if( fread(palette, sizeof(RGB), info.numColors, inFile) != info.numColors ) return; // manage error and close file } fclose(inFile) // Binary method => if read later by another computer outFile = fopen("path", "wb"); if( !outFile ) return; if( fwrite(&info.numColors, sizeof(unsigned int), 1, outFile) != 1 ) return; // Manage Error and close file if( fwrite(&palette, sizeof(RGB), info.numColors, outFile) != info.numColors ) return; // Manage error and close file fclose(outFile); // Text method => if read later by human outFile = fopen("path", "w"); if( !outFile ) return; for( i=0; i<info.numColors; ++i ) { p = &palette[i]; if( fprintf(outFile, "R:%d, G:%d, B:%d\n", p->red, p->green, p->blue) < 0 ) return; // Manage error and close file } fclose(outFile); </code></pre>

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