emote2ss

commit daf888310aed1fba5dc05086ec5ea9903e456fe2
parent b7df3e8c42890de3468ccdd7c7b090dea08b23aa
Author: bsandro <email@bsandro.tech>
Date:   Sun,  4 Jan 2026 03:16:17 +0200

Command-line version supports writing to PAM file format now

Diffstat:
M
cli/main.c
 | 
34
++++++++++++++++++++++++++++++++++

1 file changed, 34 insertions(+), 0 deletions(-)
diff --git a/cli/main.c b/cli/main.c
@@ -213,6 +213,38 @@ int write_webp(AnimatedImage *img, const char *fname, int cols) {
 	return 0;
 }
 
+int write_pam(AnimatedImage *img, const char *fname, int cols) {
+	int rows = (int)img->frame_count/cols;
+	if ((int)img->frame_count%cols > 0) rows++;
+	FILE *fp = fopen(fname, "wb");
+	if (fp==NULL) {
+		fputs("Error opening output file", stderr);
+		return 1;
+	}
+	fprintf(fp, "P7\n");
+	fprintf(fp, "WIDTH %d\n", img->width*cols);
+	fprintf(fp, "HEIGHT %d\n", img->height*rows);
+	fprintf(fp, "DEPTH 4\n");
+	fprintf(fp, "MAXVAL 255\n");
+	fprintf(fp, "TUPLTYPE RGB_ALPHA\n");
+	fprintf(fp, "ENDHDR\n");
+
+	size_t line_size = img->width*sizeof(uint32_t);
+	for (int row=0; row<rows; ++row) {
+		for (int y=0; y<img->height; ++y) {
+			for (int col=0; col<cols; ++col) {
+				uint32_t offset=row*cols+col;
+				if (offset<img->frame_count) {
+					fwrite(img->frames[offset].rgba+y*line_size, sizeof(uint8_t), line_size, fp);
+				}
+			}
+		}
+	}
+	fclose(fp);
+	printf("Output: %s: %dx%dpx\n", fname, img->width*cols, img->height*rows);
+	return 0;
+}
+
 int save_file(AnimatedImage *img, char *out, int cols, int width) {
 	char out_gen[PATH_MAX] = {0};
 	if (out==NULL) {
@@ -235,6 +267,8 @@ int save_file(AnimatedImage *img, char *out, int cols, int width) {
 		fputs("Invalid width", stderr);
 		return 1;
 	}
+	int out_len = strlen(out);
+	if (out_len>4&&strncmp(out+out_len-4, ".pam", 4)==0) return write_pam(img, out, cols);
 	return write_webp(img, out, cols);
 }