From 4b6feefa51405e1313de62e1a19c4c213e79c22f Mon Sep 17 00:00:00 2001
From: Louis-Francis Ratté-Boulianne <lfrb@collabora.com>
Date: Tue, 18 Nov 2014 12:34:53 -0500
Subject: vcl: Add support for backend-dependent blending of bitmaps (mask and
 alpha)

Change-Id: Iba64eb42965c86ca5655b9a105ef3f397e033ecf
---
 vcl/unx/generic/gdi/gdiimpl.hxx | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'vcl/unx/generic/gdi/gdiimpl.hxx')

diff --git a/vcl/unx/generic/gdi/gdiimpl.hxx b/vcl/unx/generic/gdi/gdiimpl.hxx
index 2d9294a629d9..20c995fa6a7e 100644
--- a/vcl/unx/generic/gdi/gdiimpl.hxx
+++ b/vcl/unx/generic/gdi/gdiimpl.hxx
@@ -225,6 +225,18 @@ public:
                 void* pPtr,
                 sal_uLong nSize ) SAL_OVERRIDE;
 
+    /** Blend bitmap with color channels */
+    virtual bool blendBitmap(
+                const SalTwoRect&,
+                const SalBitmap& rBitmap ) SAL_OVERRIDE;
+
+    /** Render bitmap by blending using the mask and alpha channel */
+    virtual bool blendAlphaBitmap(
+                const SalTwoRect&,
+                const SalBitmap& rSrcBitmap,
+                const SalBitmap& rMaskBitmap,
+                const SalBitmap& rAlphaBitmap ) SAL_OVERRIDE;
+
     /** Render bitmap with alpha channel
 
         @param rSourceBitmap
-- 
cgit