104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
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/*
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TGA EXTRACTOR
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-------------
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http://www.chez.com/oulala/libimage/
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "tga_outils.h"
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/*::------------------------------------------------------------------::*/
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void usage(void)
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{
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fprintf(stderr, "* TGA extractor v 0.0.12 [%s] %s \n",
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TGA_OUTILS_VERSION, TGA_OUTILS_COPYLEFT);
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fprintf(stderr, "usage:\n");
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fprintf(stderr, " $ tga_extract source.tga resultat.tga X Y W H\n\n");
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Image_print_version(0);
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fprintf(stderr, "\n");
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exit(1);
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}
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/*::------------------------------------------------------------------::*/
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#define X 0
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#define Y 1
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#define W 2
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#define H 3
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int main(int argc, char *argv[])
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{
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Image_Desc *image, *resultat;
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int foo, coords[4];
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Image_Rect rect;
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dump_command_line(argc, argv, 0);
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if ( argc != 7 ) {
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fprintf(stderr, "argc=%d\n", argc);
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usage();
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}
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/* decode and check parameters */
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for (foo=0; foo<4; foo++) {
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if ( sscanf(argv[foo+3], "%d", &coords[foo]) != 1 ) {
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fprintf(stderr, " '%s' oikk?!\n", argv[foo+3]);
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usage();
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}
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}
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if ( (coords[X]<0) || (coords[Y]<0) || (coords[W]<0) || (coords[H]<0) )
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{
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fprintf(stderr, "%s: no negative parameter, please.\n", argv[0]);
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exit(1);
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}
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if (coords[X]>16000 || coords[Y]>16000 || coords[W]>16000 || coords[H]>16000)
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{
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fprintf(stderr, "%s: no overburned parameter, please.\n", argv[0]);
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exit(1);
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}
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/* load the source image ... */
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if ( (image=Image_TGA_alloc_load(argv[1])) == NULL ) {
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fprintf(stderr, "%s: no mem for input image '%s'\n", argv[0], argv[1]);
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exit(1);
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}
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if (must_be_verbose()) {
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/* ... so we know source dimensions */
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fprintf(stderr, "tga_extract: src '%s': %d x %d\n",
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argv[1], image->width, image->height);
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}
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if ( (resultat=Image_alloc(coords[W], coords[H], 3)) == NULL ) {
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fprintf(stderr, "%s: no mem for ouput image\n", argv[0]);
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exit(1);
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}
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rect.x = coords[X]; rect.y = coords[Y];
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rect.w = coords[W]; rect.h = coords[H];
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foo = Image_get_rect(image, &rect, resultat, 0, 0); if (foo)
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{
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fprintf(stderr, "tga_extract: get_rect: err %d %s\n",
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foo, Image_err2str(foo));
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exit(2);
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}
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if (must_be_verbose()) {
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fprintf(stderr, "tga_extract: dst '%s': %dx%d @%d,%d\n",
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argv[2], resultat->width, resultat->height,
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rect.x, rect.y);
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}
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foo = Image_TGA_save(argv[2], resultat, 0);
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if (foo) {
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fprintf(stderr, "tga_extract: %s save err %d %s\n",
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argv[2], foo, Image_err2str(foo));
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exit(2);
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}
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return 0;
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}
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/*::------------------------------------------------------------------::*/
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