74 lines
1.2 KiB
C++
74 lines
1.2 KiB
C++
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#include "nel/misc/bitmap.h"
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#include "nel/misc/file.h"
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#include <vector>
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using namespace NLMISC;
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using namespace std;
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void usage()
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{
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printf("Usage: tga_resize tgaFileIn tgaFileOut divideRatio.\n \
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eg: tga_resize pipo.tga pipo.tga 2\n \
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=> pipo.tga widht and height are divided by 2 \n\n");
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}
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int main(int argc, char *argv[])
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{
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if(argc != 4)
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{
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usage();
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return -1;
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}
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else
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{
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CBitmap btmp;
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CIFile inFile;
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COFile outFile;
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uint divideRatio;
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NLMISC::fromString(argv[3], divideRatio);
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if(divideRatio==0 || !isPowerOf2(divideRatio))
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{
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printf("divideRatio must be a powerOf2 (1, 2, 4, 8 ...) \n");
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return 0;
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}
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try
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{
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// read.
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if (!inFile.open(argv[1]))
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{
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printf("Can't open input file %s \n", argv[1]);
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return -1;
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}
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uint8 depth= btmp.load(inFile);
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if(depth==0)
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throw Exception("Bad File Format");
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inFile.close();
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// resize.
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btmp.resample(btmp.getWidth() / divideRatio, btmp.getHeight() / divideRatio);
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// output.
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if (!outFile.open(argv[2]))
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{
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printf("Can't open output file %s \n", argv[2]);
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return -1;
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}
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btmp.writeTGA(outFile, depth);
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}
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catch (const Exception &e)
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{
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printf("Error: %s\n", e.what());
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return -1;
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}
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return 0;
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}
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}
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