From 195b9e70dd686d20db28c45c0958280e85ecede3 Mon Sep 17 00:00:00 2001
From: "Jon A. Cruz" <jon@joncruz.org>
Date: Tue, 28 Feb 2012 23:45:33 -0800
Subject: Cleanup of unused variables and warnings.

(bzr r11031)
---
 src/display/cairo-utils.h    | 32 +++++++++++++++++++++++++++++++-
 src/display/drawing-item.cpp |  3 ++-
 2 files changed, 33 insertions(+), 2 deletions(-)

(limited to 'src/display')

diff --git a/src/display/cairo-utils.h b/src/display/cairo-utils.h
index dbe874365..e67872891 100644
--- a/src/display/cairo-utils.h
+++ b/src/display/cairo-utils.h
@@ -144,7 +144,37 @@ void feed_pathvector_to_cairo (cairo_t *ct, Geom::PathVector const &pathv);
 #define ASSEMBLE_ARGB32(px,a,r,g,b) \
     guint32 px = (a << 24) | (r << 16) | (g << 8) | b;
 
-#endif
+namespace Inkscape {
+
+namespace Display
+{
+
+inline void ExtractARGB32(guint32 px, guint32 &a, guint32 &r, guint32 &g, guint &b)
+{
+    a = ((px) & 0xff000000) >> 24;
+    r = ((px) & 0x00ff0000) >> 16;
+    g = ((px) & 0x0000ff00) >> 8;
+    b = ((px) & 0x000000ff);
+}
+
+inline void ExtractRGB32(guint32 px, guint32 &r, guint32 &g, guint &b)
+{
+    r = ((px) & 0x00ff0000) >> 16;
+    g = ((px) & 0x0000ff00) >> 8;
+    b = ((px) & 0x000000ff);
+}
+
+inline guint AssembleARGB32(guint32 a, guint32 r, guint32 g, guint32 b)
+{
+    return (a << 24) | (r << 16) | (g << 8) | b;
+}
+
+} // namespace Display
+
+} // namespace Inkscape
+
+#endif // SEEN_INKSCAPE_DISPLAY_CAIRO_UTILS_H
+
 /*
   Local Variables:
   mode:c++
diff --git a/src/display/drawing-item.cpp b/src/display/drawing-item.cpp
index df44a3de0..0fb1f0018 100644
--- a/src/display/drawing-item.cpp
+++ b/src/display/drawing-item.cpp
@@ -431,7 +431,8 @@ DrawingItem::update(Geom::IntRect const &area, UpdateContext const &ctx, unsigne
 
 struct MaskLuminanceToAlpha {
     guint32 operator()(guint32 in) {
-        EXTRACT_ARGB32(in, a, r, g, b)
+        guint r = 0, g = 0, b = 0;
+        Display::ExtractRGB32(in, r, g, b);
         // the operation of unpremul -> luminance-to-alpha -> multiply by alpha
         // is equivalent to luminance-to-alpha on premultiplied color values
         // original computation in double: r*0.2125 + g*0.7154 + b*0.0721
-- 
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