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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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2
Task/Bitmap-PPM-conversion-through-a-pipe/C/bitmap-ppm-conversion-through-a-pipe-1.c Normal file
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/* interface */
void print_jpg(image img, int qual);

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Task/Bitmap-PPM-conversion-through-a-pipe/C/bitmap-ppm-conversion-through-a-pipe-2.c Normal file
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#define MAXCMDBUF 100
void print_jpg(image img, int qual)
{
char buf[MAXCMDBUF];
unsigned int n;
FILE *pipe;
snprintf(buf, MAXCMDBUF, "convert ppm:- -quality %d jpg:-", qual);
pipe = popen(buf, "w");
if ( pipe != NULL )
{
fprintf(pipe, "P6\n%d %d\n255\n", img->width, img->height);
n = img->width * img->height;
fwrite(img->buf, sizeof(pixel), n, pipe);
pclose(pipe);
}
}

12
Task/Bitmap-PPM-conversion-through-a-pipe/C/bitmap-ppm-conversion-through-a-pipe-3.c Normal file
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#include "imglib.h"
int main()
{
image img;
img = alloc_img(100,100);
fill_img(img, 50, 20, 200);
draw_line(img, 0, 0, 80, 80, 255, 0, 0);
print_jpg(img, 75);
free_img(img);
}