From a8be96087b2f59f05330f2a6320baa62d31d5c03 Mon Sep 17 00:00:00 2001 From: lilo_booter Date: Fri, 2 Sep 2005 11:23:45 +0000 Subject: [PATCH] + Small mod to allow better use of invert as a gui item selector (alpha property) git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@823 d19143bc-622f-0410-bfdd-b5b2a6649095 --- src/modules/plus/filter_invert.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/src/modules/plus/filter_invert.c b/src/modules/plus/filter_invert.c index 3eb8c4a..f36ffb9 100644 --- a/src/modules/plus/filter_invert.c +++ b/src/modules/plus/filter_invert.c @@ -25,6 +25,7 @@ #include #include #include +#include static inline int clamp( int v, int l, int u ) { @@ -37,6 +38,8 @@ static inline int clamp( int v, int l, int u ) static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ) { // Get the image + mlt_filter filter = mlt_frame_pop_service( this ); + int mask = mlt_properties_get_int( MLT_FILTER_PROPERTIES( filter ), "alpha" ); int error = mlt_frame_get_image( this, image, format, width, height, 1 ); // Only process if we have no error and a valid colour space @@ -51,6 +54,13 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format * *p ++ = clamp( 251 - *r ++, 16, 235 ); *p ++ = clamp( 256 - *r ++, 16, 240 ); } + + if ( mask ) + { + uint8_t *alpha = mlt_frame_get_alpha_mask( this ); + int size = *width * *height; + memset( alpha, mask, size ); + } } return error; @@ -62,6 +72,7 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format * static mlt_frame filter_process( mlt_filter this, mlt_frame frame ) { // Push the frame filter + mlt_frame_push_service( frame, this ); mlt_frame_push_get_image( frame, filter_get_image ); return frame; } -- 1.7.4.4