introduce Props to surface

src/image/SkSurface.cpp

Index: src/image/SkSurface.cpp
diff --git a/src/image/SkSurface.cpp b/src/image/SkSurface.cpp
index 3a28e421a880df9ff6ae9962aa504c6bd63bb040..1c067e40c14485d12ea3608ae4d6926a0b25fa53 100644
--- a/src/image/SkSurface.cpp
+++ b/src/image/SkSurface.cpp
@@ -9,14 +9,28 @@
 #include "SkImagePriv.h"
 #include "SkCanvas.h"
 
+SkSurfaceProps::SkSurfaceProps()
+    : fFlags(0), fPixelGeometry(kLegacyLCD_SkPixelGeometry)
+{}
+
+SkSurfaceProps::SkSurfaceProps(uint32_t flags, SkPixelGeometry pg)
+    : fFlags(flags), fPixelGeometry(pg)
+{
+    SkASSERT(!(flags & kLegacyLCD_SkPixelGeometry));
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
-SkSurface_Base::SkSurface_Base(int width, int height) : INHERITED(width, height) {
+SkSurface_Base::SkSurface_Base(int width, int height, const Props& props)
+    : INHERITED(width, height, props)
+{
     fCachedCanvas = NULL;
     fCachedImage = NULL;
 }
 
-SkSurface_Base::SkSurface_Base(const SkImageInfo& info) : INHERITED(info) {
+SkSurface_Base::SkSurface_Base(const SkImageInfo& info, const Props& props)
+    : INHERITED(info, props)
+{
     fCachedCanvas = NULL;
     fCachedImage = NULL;
 }
@@ -74,13 +88,17 @@ static SkSurface_Base* asSB(SkSurface* surface) {
 
 ///////////////////////////////////////////////////////////////////////////////
 
-SkSurface::SkSurface(int width, int height) : fWidth(width), fHeight(height) {
+SkSurface::SkSurface(int width, int height, const Props& props)
+    : fProps(props), fWidth(width), fHeight(height)
+{
     SkASSERT(fWidth >= 0);
     SkASSERT(fHeight >= 0);
     fGenerationID = 0;
 }
 
-SkSurface::SkSurface(const SkImageInfo& info) : fWidth(info.width()), fHeight(info.height()) {
+SkSurface::SkSurface(const SkImageInfo& info, const Props& props)
+    : fProps(props), fWidth(info.width()), fHeight(info.height())
+{
     SkASSERT(fWidth >= 0);
     SkASSERT(fHeight >= 0);
     fGenerationID = 0;