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>

1 files changed, 10 insertions, 9 deletions

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