Revert[7] "replace SkXfermode obj with SkBlendMode enum in paints"

This reverts commit Ib4a154cdd5f5d1dcac921ef50d53b79a2d6a1be8.

Reason for revert: new assert from 100K bot

Original change's description:
> Revert[6] "replace SkXfermode obj with SkBlendMode enum in paints"
> 
> - perform version check in CreateProc for XfermodeImageFilter and ArithmeticImageFilter
> This reverts commit 3ed485f4249e17abb4b11f5018d03175fd1afb44.
> 
> BUG=skia:
> 
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2992
> 
> Change-Id: Ib4a154cdd5f5d1dcac921ef50d53b79a2d6a1be8
> Reviewed-on: https://skia-review.googlesource.com/2992
> Reviewed-by: Mike Reed <reed@google.com>
> Commit-Queue: Mike Reed <reed@google.com>
> 

TBR=reed@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I848e5a69c5cd67f2c14889f4f0a346652578c4ff
Reviewed-on: https://skia-review.googlesource.com/3023
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Reed <reed@google.com>

1 files changed, 9 insertions, 10 deletions

diff --git a/gm/lumafilter.cpp b/gm/lumafilter.cpp
index 3852d9385f..10eefabd56 100644
--- a/gm/lumafilter.cpp
+++ b/gm/lumafilter.cpp
@@ -26,7 +26,7 @@ static void draw_label(SkCanvas* canvas, const char* label,
                      paint);
 }
 
-static void draw_scene(SkCanvas* canvas, const sk_sp<SkColorFilter>& filter, SkBlendMode mode,
+static void draw_scene(SkCanvas* canvas, const sk_sp<SkColorFilter>& filter, SkXfermode::Mode mode,
                        const sk_sp<SkShader>& s1, const sk_sp<SkShader>& s2) {
     SkPaint paint;
     paint.setAntiAlias(true);
@@ -53,7 +53,7 @@ static void draw_scene(SkCanvas* canvas, const sk_sp<SkColorFilter>& filter, SkB
     }
 
     SkPaint xferPaint;
-    xferPaint.setBlendMode(mode);
+    xferPaint.setXfermodeMode(mode);
     canvas->saveLayer(&bounds, &xferPaint);
 
     r = bounds;
@@ -101,14 +101,13 @@ protected:
     }
 
     void onDraw(SkCanvas* canvas) override {
-        SkBlendMode modes[] = {
-            SkBlendMode::kSrcOver,
-            SkBlendMode::kDstOver,
-            SkBlendMode::kSrcATop,
-            SkBlendMode::kDstATop,
-            SkBlendMode::kSrcIn,
-            SkBlendMode::kDstIn,
-        };
+        SkXfermode::Mode modes[] = { SkXfermode::kSrcOver_Mode,
+                                     SkXfermode::kDstOver_Mode,
+                                     SkXfermode::kSrcATop_Mode,
+                                     SkXfermode::kDstATop_Mode,
+                                     SkXfermode::kSrcIn_Mode,
+                                     SkXfermode::kDstIn_Mode,
+                                   };
         struct {
             const sk_sp<SkShader>& fShader1;
             const sk_sp<SkShader>& fShader2;