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caesium-clt
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Second commit

This commit is contained in:
Matteo Paonessa 2015-05-09 16:27:24 +02:00
parent 97627a804d
commit aa1b4419a7
3 changed files with 49 additions and 49 deletions
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BIN
bin/cclt
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70
compress.c
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@ -7,58 +7,58 @@
void cclt_compress(char* output_file, unsigned char* image_buffer) void cclt_compress(char* output_file, unsigned char* image_buffer)
{ {
struct jpeg_compress_struct cinfo; struct jpeg_compress_struct cinfo;
struct jpeg_error_mgr jerr; struct jpeg_error_mgr jerr;
FILE * outfile; FILE * outfile;
JSAMPROW row_pointer[1]; /* pointer to JSAMPLE row[s] */ JSAMPROW row_pointer[1];
int row_stride; /* physical row width in image buffer */ int row_stride;
if ((outfile = fopen(output_file, "wb")) == NULL) { if ((outfile = fopen(output_file, "wb")) == NULL) {
fprintf(stderr, "can't open %s\n", output_file); fprintf(stderr, "can't open %s\n", output_file);
exit(1); exit(1);
} }
cinfo.err = jpeg_std_error(&jerr); cinfo.err = jpeg_std_error(&jerr);
jpeg_create_compress(&cinfo); jpeg_create_compress(&cinfo);
jpeg_stdio_dest(&cinfo, outfile); jpeg_stdio_dest(&cinfo, outfile);
cinfo.image_width = 80; cinfo.image_width = 80;
cinfo.image_height = 80; cinfo.image_height = 80;
cinfo.input_components = 3; cinfo.input_components = 3;
cinfo.in_color_space = JCS_RGB; cinfo.in_color_space = JCS_RGB;
jpeg_set_defaults(&cinfo); jpeg_set_defaults(&cinfo);
cinfo.dct_method = JDCT_FLOAT; cinfo.dct_method = JDCT_FLOAT;
cinfo.optimize_coding = TRUE; cinfo.optimize_coding = TRUE;
cinfo.smoothing_factor = 50; cinfo.smoothing_factor = 50;
jpeg_set_quality(&cinfo, 80, TRUE ); jpeg_set_quality(&cinfo, 80, TRUE );
jpeg_set_colorspace(&cinfo, JCS_RGB); jpeg_set_colorspace(&cinfo, JCS_RGB);
jpeg_start_compress(&cinfo, TRUE);
jpeg_start_compress(&cinfo, TRUE);
//TODO cambia //TODO cambia
row_stride = 80 * 3;//image_width * 3; row_stride = 80 * 3;//image_width * 3;
while (cinfo.next_scanline < cinfo.image_height) { while (cinfo.next_scanline < cinfo.image_height) {
printf("%d%\r", cinfo.next_scanline * 100 / cinfo.image_height);
row_pointer[0] = &image_buffer[cinfo.next_scanline * row_stride]; printf("%d%\r", cinfo.next_scanline * 100 / cinfo.image_height);
(void) jpeg_write_scanlines(&cinfo, row_pointer, 1);
} row_pointer[0] = &image_buffer[cinfo.next_scanline * row_stride];
printf("%d%\n", cinfo.next_scanline * 100 / cinfo.image_height); (void) jpeg_write_scanlines(&cinfo, row_pointer, 1);
}
printf("%d%\n", cinfo.next_scanline * 100 / cinfo.image_height);
jpeg_finish_compress(&cinfo); jpeg_finish_compress(&cinfo);
fclose(outfile); fclose(outfile);
jpeg_destroy_compress(&cinfo); jpeg_destroy_compress(&cinfo);
} }

28
main.c
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@ -15,10 +15,10 @@
-o output file -o output file
-v version -v version
-l lossless -l lossless
-s -s scale
-h help -h help
-R recursive -R recursive
*/ */
cclt_compress_parameters parse_arguments(int argc, char* argv[]) { cclt_compress_parameters parse_arguments(int argc, char* argv[]) {
@ -36,16 +36,16 @@ cclt_compress_parameters parse_arguments(int argc, char* argv[]) {
break; break;
case '?': case '?':
if (optopt == 'q' || optopt == 'e' || optopt == 'o' || optopt == 's') { if (optopt == 'q' || optopt == 'e' || optopt == 'o' || optopt == 's') {
//fprintf (stderr, "Option -%c requires an argument.\n", optopt); //fprintf (stderr, "Option -%c requires an argument.\n", optopt);
//Arguments without values //Arguments without values
exit(-1); exit(-1);
} }
else if (isprint(optopt)) { else if (isprint(optopt)) {
fprintf (stderr, "Unknown option `-%c'.\n", optopt); fprintf (stderr, "Unknown option `-%c'.\n", optopt);
} }
else { else {
fprintf (stderr, "Unknown option character `\\x%x'.\n", optopt); fprintf (stderr, "Unknown option character `\\x%x'.\n", optopt);
} }
break; break;
case 'q': case 'q':
qvalue = optarg; qvalue = optarg;
@ -54,15 +54,15 @@ cclt_compress_parameters parse_arguments(int argc, char* argv[]) {
evalue = optarg; evalue = optarg;
break; break;
default: default:
abort(); abort();
} }
} }
return parameters; return parameters;
} }
int main (int argc, char *argv[]) { int main (int argc, char *argv[]) {
cclt_compress_parameters parameters; cclt_compress_parameters parameters;
//Check if there's at least one argument //Check if there's at least one argument
@ -70,7 +70,7 @@ int main (int argc, char *argv[]) {
printf("CCLT requires at least one argument. Aborting.\n"); printf("CCLT requires at least one argument. Aborting.\n");
return -1; return -1;
} }
parameters = parse_arguments(argc, argv); parameters = parse_arguments(argc, argv);
return 0; return 0;