| // Copyright 2015 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_RENDER_TREE_VIEWPORT_FILTER_H_ |
| #define COBALT_RENDER_TREE_VIEWPORT_FILTER_H_ |
| |
| #include "base/optional.h" |
| #include "cobalt/math/matrix3_f.h" |
| #include "cobalt/math/rect_f.h" |
| #include "cobalt/render_tree/rounded_corners.h" |
| |
| namespace cobalt { |
| namespace render_tree { |
| |
| // An ViewportFilter can be used to specify the viewport of source content. |
| // Only the contents of the source render tree that lie within the specified |
| // rectangle will be rendered. |
| class ViewportFilter { |
| public: |
| explicit ViewportFilter(const math::RectF& viewport) : viewport_(viewport) {} |
| explicit ViewportFilter(const math::RectF& viewport, |
| const RoundedCorners& rounded_corners) |
| : viewport_(viewport), rounded_corners_(rounded_corners) {} |
| |
| bool operator==(const ViewportFilter& other) const { |
| return viewport_ == other.viewport_ && |
| rounded_corners_ == other.rounded_corners_; |
| } |
| |
| const math::RectF& viewport() const { return viewport_; } |
| |
| bool has_rounded_corners() const { return !!rounded_corners_; } |
| const RoundedCorners& rounded_corners() const { return *rounded_corners_; } |
| void set_rounded_corners(const RoundedCorners& rounded_corners) { |
| rounded_corners_ = rounded_corners; |
| } |
| |
| private: |
| math::RectF viewport_; |
| base::optional<RoundedCorners> rounded_corners_; |
| }; |
| |
| } // namespace render_tree |
| } // namespace cobalt |
| |
| #endif // COBALT_RENDER_TREE_VIEWPORT_FILTER_H_ |