| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkRRectsGaussianEdgeShader_DEFINED |
| #define SkRRectsGaussianEdgeShader_DEFINED |
| |
| #include "SkShader.h" |
| |
| class SkRRect; |
| |
| class SK_API SkRRectsGaussianEdgeShader { |
| public: |
| /** Returns a shader that applies a Gaussian blur depending on distance to the edge |
| * of the intersection of two round rects. |
| * Currently this is only useable with round rects that have the same radii at |
| * all the corners and for which the x & y radii are equal. |
| * Raster will draw nothing. |
| * |
| * The coverage geometry that should be drawn should be no larger than the intersection |
| * of the bounding boxes of the two round rects. Ambitious users can omit the center |
| * area of the coverage geometry if it is known to be occluded. |
| */ |
| static sk_sp<SkShader> Make(const SkRRect& first, |
| const SkRRect& second, |
| SkScalar radius, SkScalar unused = 0.0f); |
| |
| SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP() |
| |
| private: |
| SkRRectsGaussianEdgeShader(); // can't be instantiated |
| }; |
| |
| #endif |