add fz_separation_disabled_on_page() and related functions

2 files changed, 17 insertions, 1 deletions

diff --git a/source/fitz/document.c b/source/fitz/document.c
index 9c78187f..1fc4ff87 100644
--- a/source/fitz/document.c
+++ b/source/fitz/document.c
@@ -425,6 +425,14 @@ void fz_control_separation_on_page(fz_context *ctx, fz_page *page, int sep, int
 	page->control_separation(ctx, page, sep, disable);
 }
 
+int fz_separation_disabled_on_page (fz_context *ctx, fz_page *page, int sep)
+{
+	if (ctx == NULL || page == NULL || page->separation_disabled == NULL)
+		return 0;
+	
+	return page->separation_disabled(ctx, page, sep);
+}
+
 const char *fz_get_separation_on_page(fz_context *ctx, fz_page *page, int sep, uint32_t *rgba, uint32_t *cmyk)
 {
 	if (ctx == NULL || page == NULL || page->get_separation == NULL)
diff --git a/source/gprf/gprf-doc.c b/source/gprf/gprf-doc.c
index 32fee4dc..8126e040 100644
--- a/source/gprf/gprf-doc.c
+++ b/source/gprf/gprf-doc.c
@@ -769,10 +769,17 @@ static int gprf_count_separations(fz_context *ctx, fz_page *page_)
 static void gprf_control_separation(fz_context *ctx, fz_page *page_, int sep, int disable)
 {
 	gprf_page *page = (gprf_page *)page_;
-
+	
 	fz_control_separation(ctx, page->separations, sep, disable);
 }
 
+static int gprf_separation_disabled(fz_context *ctx, fz_page *page_, int sep)
+{
+	gprf_page *page = (gprf_page *)page_;
+	
+	return fz_separation_disabled(ctx, page->separations, sep);
+}
+
 static const char *gprf_get_separation(fz_context *ctx, fz_page *page_, int sep, uint32_t *rgba, uint32_t*cmyk)
 {
 	gprf_page *page = (gprf_page *)page_;
@@ -793,6 +800,7 @@ gprf_load_page(fz_context *ctx, fz_document *doc_, int number)
 		page->super.drop_page_imp = gprf_drop_page_imp;
 		page->super.count_separations = gprf_count_separations;
 		page->super.control_separation = gprf_control_separation;
+		page->super.separation_disabled = gprf_separation_disabled;
 		page->super.get_separation = gprf_get_separation;
 		page->doc = (gprf_document *)fz_keep_document(ctx, &doc->super);
 		page->number = number;