drawimage + maskfilter bug fix

bug: we ignored maskfilter in spriteblitter case

Bug: skia:
Change-Id: I2c9423396a7a9ed3b81cd86e3a5edebbf34538db
Reviewed-on: https://skia-review.googlesource.com/96120
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Reed <reed@google.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/gm/blurimagevmask.cpp b/gm/blurimagevmask.cpp
index 15f8d1e1ca..c1f9b3e1ec 100644
--- a/gm/blurimagevmask.cpp
+++ b/gm/blurimagevmask.cpp
@@ -55,3 +55,18 @@ DEF_SIMPLE_GM(blurimagevmask, canvas, 700, 1200) {
     }
 
 }
+
+#include "Resources.h"
+DEF_SIMPLE_GM(blur_image, canvas, 500, 500) {
+    auto image = GetResourceAsImage("images/mandrill_128.png");
+
+    SkPaint paint;
+    paint.setMaskFilter(SkBlurMaskFilter::Make(kNormal_SkBlurStyle, 4));
+
+    // both of these should draw with the blur, but (formerally) we had a bug where the unscaled
+    // version (taking the spriteblitter code path) ignore the maskfilter.
+
+    canvas->drawImage(image, 10, 10, &paint);
+    canvas->scale(1.01f, 1.01f);
+    canvas->drawImage(image, 10 + image->width() + 10.f, 10, &paint);
+}