Revert[8] "replace SkXfermode obj with SkBlendMode enum in paints"

samplecode/SampleAll.cpp

Index: samplecode/SampleAll.cpp
diff --git a/samplecode/SampleAll.cpp b/samplecode/SampleAll.cpp
index 29b5c66c7419e7f22481f124b6008f2d03727288..8c1ace564a1c34495789e5e4f18c0de305eaf758 100644
--- a/samplecode/SampleAll.cpp
+++ b/samplecode/SampleAll.cpp
@@ -89,7 +89,7 @@ static void r0(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
 
     p.setAlpha(0x11);
     p.setStyle(SkPaint::kFill_Style);
-    p.setXfermodeMode(SkXfermode::kSrc_Mode);
+    p.setBlendMode(SkBlendMode::kSrc);
     rastBuilder->addLayer(p);
 }
 
@@ -97,7 +97,7 @@ static void r1(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
     rastBuilder->addLayer(p);
 
     p.setAlpha(0x40);
-    p.setXfermodeMode(SkXfermode::kSrc_Mode);
+    p.setBlendMode(SkBlendMode::kSrc);
     p.setStyle(SkPaint::kStroke_Style);
     p.setStrokeWidth(SK_Scalar1*2);
     rastBuilder->addLayer(p);
@@ -110,7 +110,7 @@ static void r2(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
 
     p.setStyle(SkPaint::kStroke_Style);
     p.setStrokeWidth(SK_Scalar1*3/2);
-    p.setXfermodeMode(SkXfermode::kClear_Mode);
+    p.setBlendMode(SkBlendMode::kClear);
     rastBuilder->addLayer(p);
 }
 
@@ -121,7 +121,7 @@ static void r3(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
 
     p.setAlpha(0x20);
     p.setStyle(SkPaint::kFill_Style);
-    p.setXfermodeMode(SkXfermode::kSrc_Mode);
+    p.setBlendMode(SkBlendMode::kSrc);
     rastBuilder->addLayer(p);
 }
 
@@ -130,10 +130,10 @@ static void r4(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
     rastBuilder->addLayer(p, SkIntToScalar(3), SkIntToScalar(3));
 
     p.setAlpha(0xFF);
-    p.setXfermodeMode(SkXfermode::kClear_Mode);
+    p.setBlendMode(SkBlendMode::kClear);
     rastBuilder->addLayer(p, SK_Scalar1*3/2, SK_Scalar1*3/2);
 
-    p.setXfermode(nullptr);
+    p.setBlendMode(SkBlendMode::kSrcOver);
     rastBuilder->addLayer(p);
 }
 
@@ -141,7 +141,7 @@ static void r5(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
     rastBuilder->addLayer(p);
 
     p.setPathEffect(SkDiscretePathEffect::Make(SK_Scalar1*4, SK_Scalar1*3));
-    p.setXfermodeMode(SkXfermode::kSrcOut_Mode);
+    p.setBlendMode(SkBlendMode::kSrcOut);
     rastBuilder->addLayer(p);
 }
 
@@ -152,7 +152,7 @@ static void r6(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
     SkLayerRasterizer::Builder rastBuilder2;
     r5(&rastBuilder2, p);
     p.setRasterizer(rastBuilder2.detach());
-    p.setXfermodeMode(SkXfermode::kClear_Mode);
+    p.setBlendMode(SkBlendMode::kClear);
     rastBuilder->addLayer(p);
 }
 
@@ -194,11 +194,11 @@ static void r8(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
     lattice.setScale(SK_Scalar1*6, SK_Scalar1*6, 0, 0);
     lattice.postSkew(SK_Scalar1/3, 0, 0, 0);
     p.setPathEffect(sk_make_sp<Dot2DPathEffect>(SK_Scalar1*2, lattice));
-    p.setXfermodeMode(SkXfermode::kClear_Mode);
+    p.setBlendMode(SkBlendMode::kClear);
     rastBuilder->addLayer(p);
 
     p.setPathEffect(nullptr);
-    p.setXfermode(nullptr);
+    p.setBlendMode(SkBlendMode::kSrcOver);
     p.setStyle(SkPaint::kStroke_Style);
     p.setStrokeWidth(SK_Scalar1);
     rastBuilder->addLayer(p);
@@ -211,11 +211,11 @@ static void r9(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p) {
     lattice.setScale(SK_Scalar1, SK_Scalar1*6, 0, 0);
     lattice.postRotate(SkIntToScalar(30), 0, 0);
     p.setPathEffect(SkLine2DPathEffect::Make(SK_Scalar1*2, lattice));
-    p.setXfermodeMode(SkXfermode::kClear_Mode);
+    p.setBlendMode(SkBlendMode::kClear);
     rastBuilder->addLayer(p);
 
     p.setPathEffect(nullptr);
-    p.setXfermode(nullptr);
+    p.setBlendMode(SkBlendMode::kSrcOver);
     p.setStyle(SkPaint::kStroke_Style);
     p.setStrokeWidth(SK_Scalar1);
     rastBuilder->addLayer(p);
@@ -401,10 +401,10 @@ protected:
         paint.setColor(SK_ColorGREEN);
         paint.setStrokeWidth(SkIntToScalar(10));
         paint.setStyle(SkPaint::kStroke_Style);
-        paint.setXfermode(SkXfermode::Make(SkXfermode::kXor_Mode));
+        paint.setBlendMode(SkBlendMode::kXor);
         paint.setColorFilter(lightingFilter);
         canvas->drawLine(start.fX, start.fY, stop.fX, stop.fY, paint); // should not be green
-        paint.setXfermode(nullptr);
+        paint.setBlendMode(SkBlendMode::kSrcOver);
         paint.setColorFilter(nullptr);
 
         // rectangle