Put BitmapDevice::getPixelData() back.

Slight tweak of d0d62edf3f398e9ddb2fd0f1f5fbe1dd0393ff47 - getPixel()
and getPixelData() are complementary functions, similar in spirit
to const and non-const getters. Added unit test for it to avoid
flagging it for removal again.

1 files changed, 10 insertions, 0 deletions

diff --git a/basebmp/inc/basebmp/bitmapdevice.hxx b/basebmp/inc/basebmp/bitmapdevice.hxx
index 62b459bfc7eb..ca11292aefec 100644
--- a/basebmp/inc/basebmp/bitmapdevice.hxx
+++ b/basebmp/inc/basebmp/bitmapdevice.hxx
@@ -186,6 +186,14 @@ public:
      */
     Color getPixel( const basegfx::B2IPoint& rPt );
 
+    /** Get underlying pixel data value at given position
+
+        This method returns the raw pixel data. In the case of
+        paletted bitmaps, this is the palette index, not the final
+        color value.
+     */
+    sal_uInt32 getPixelData( const basegfx::B2IPoint& rPt );
+
     /** Draw a line
 
         @param rPt1
@@ -570,6 +578,8 @@ private:
 
     virtual Color getPixel_i( const basegfx::B2IPoint& rPt ) = 0;
 
+    virtual sal_uInt32 getPixelData_i( const basegfx::B2IPoint& rPt ) = 0;
+
     virtual void drawLine_i( const basegfx::B2IPoint& rPt1,
                              const basegfx::B2IPoint& rPt2,
                              const basegfx::B2IBox&   rBounds,