summaryrefslogtreecommitdiffstats
path: root/gfx/skia/skia/src/gpu/effects/GrOvalEffect.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'gfx/skia/skia/src/gpu/effects/GrOvalEffect.cpp')
-rw-r--r--gfx/skia/skia/src/gpu/effects/GrOvalEffect.cpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/gpu/effects/GrOvalEffect.cpp b/gfx/skia/skia/src/gpu/effects/GrOvalEffect.cpp
new file mode 100644
index 0000000000..b7c001cd54
--- /dev/null
+++ b/gfx/skia/skia/src/gpu/effects/GrOvalEffect.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "src/gpu/effects/GrOvalEffect.h"
+
+#include "include/core/SkRect.h"
+#include "src/gpu/effects/generated/GrCircleEffect.h"
+#include "src/gpu/effects/generated/GrEllipseEffect.h"
+
+std::unique_ptr<GrFragmentProcessor> GrOvalEffect::Make(GrClipEdgeType edgeType, const SkRect& oval,
+ const GrShaderCaps& caps) {
+ if (GrClipEdgeType::kHairlineAA == edgeType) {
+ return nullptr;
+ }
+ SkScalar w = oval.width();
+ SkScalar h = oval.height();
+ if (SkScalarNearlyEqual(w, h)) {
+ w /= 2;
+ return GrCircleEffect::Make(edgeType, SkPoint::Make(oval.fLeft + w, oval.fTop + w),
+ w);
+ } else {
+ w /= 2;
+ h /= 2;
+ return GrEllipseEffect::Make(edgeType, SkPoint::Make(oval.fLeft + w, oval.fTop + h),
+ SkPoint::Make(w, h), caps);
+ }
+
+ return nullptr;
+}