Support progressive mode in JPEGs.

[qscale] / libqscale.h

diff --git a/libqscale.h b/libqscale.h
index bd5cbe30ef08d5b74496035c4204248162254c54..0d23510c2e9653381dc703f3e4b01017e393eec2 100644 (file)
--- a/libqscale.h
+++ b/libqscale.h
@@ -28,6 +28,7 @@ enum qscale_scaling_filter {
 
 enum qscale_jpeg_mode {
        SEQUENTIAL = 0,
+       PROGRESSIVE = 1,
 };
 
 qscale_img *qscale_load_jpeg(const char *filename);
@@ -35,6 +36,7 @@ qscale_img *qscale_load_jpeg_from_stdio(FILE *file);
 int qscale_save_jpeg(const qscale_img *img, const char *filename, unsigned jpeg_quality, enum qscale_jpeg_mode jpeg_mode);
 int qscale_save_jpeg_to_stdio(const qscale_img *img, FILE *file, unsigned jpeg_quality, enum qscale_jpeg_mode jpeg_mode);
 
+qscale_img *qscale_clone(const qscale_img *img);
 qscale_img *qscale_scale(qscale_img *src, unsigned width, unsigned height, unsigned samp_h0, unsigned samp_v0, unsigned samp_h1, unsigned samp_v1, unsigned samp_h2, unsigned samp_v2, enum qscale_scaling_filter scaling_filter);
 void qscale_destroy(qscale_img *img);