From 1a5d6572e9a699699fba3e9eb5ebbcb18f04994c Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Sun, 9 Oct 2022 17:42:55 +0200
Subject: Fix issue #510: image transparency is not properly processed.

---
 src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx b/src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx
index ebe7c515a..48c6120c6 100644
--- a/src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx
+++ b/src/drivers/Cairo/Fl_Cairo_Graphics_Driver.cxx
@@ -778,7 +778,8 @@ void Fl_Cairo_Graphics_Driver::draw_cached_pattern_(Fl_Image *img, cairo_pattern
   cairo_matrix_init_scale(&matrix, double(img->data_w())/Ws, double(img->data_h())/Hs);
   cairo_matrix_translate(&matrix, -Xs + offset, -Ys + offset);
   cairo_pattern_set_matrix(pat, &matrix);
-  cairo_mask(cairo_, pat);
+  if (img->d() >= 1) cairo_paint(cairo_);
+  else cairo_mask(cairo_, pat);
   cairo_restore(cairo_);
   surface_needs_commit();
 }
-- 
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