pdfdraw: Add command line option to gamma correct and invert images.

1 files changed, 2 insertions, 0 deletions

diff --git a/fitz/fitz.h b/fitz/fitz.h
index 7187094f..dff6b8d4 100644
--- a/fitz/fitz.h
+++ b/fitz/fitz.h
@@ -625,6 +625,8 @@ void fz_copy_pixmap_rect(fz_pixmap *dest, fz_pixmap *src, fz_bbox r);
 void fz_premultiply_pixmap(fz_pixmap *pix);
 fz_pixmap *fz_alpha_from_gray(fz_pixmap *gray, int luminosity);
 fz_bbox fz_bound_pixmap(fz_pixmap *pix);
+void fz_invert_pixmap(fz_pixmap *pix);
+void fz_gamma_pixmap(fz_pixmap *pix, float gamma);
 
 fz_pixmap *fz_scale_pixmap(fz_pixmap *src, float x, float y, float w, float h);
 fz_pixmap *fz_scale_pixmap_gridfit(fz_pixmap *src, float x, float y, float w, float h, int gridfit);