| // Copyright 2017 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. |
| |
| #include "cobalt/render_tree/rounded_corners.h" |
| |
| namespace cobalt { |
| namespace render_tree { |
| |
| void RoundedCorners::Normalize(const math::RectF& rect) { |
| float scale = 1.0f; |
| float size; |
| |
| size = top_left.horizontal + top_right.horizontal; |
| if (size > rect.width()) { |
| scale = rect.width() / size; |
| } |
| |
| size = bottom_left.horizontal + bottom_right.horizontal; |
| if (size > rect.width()) { |
| scale = std::min(rect.width() / size, scale); |
| } |
| |
| size = top_left.vertical + bottom_left.vertical; |
| if (size > rect.height()) { |
| scale = std::min(rect.height() / size, scale); |
| } |
| |
| size = top_right.vertical + bottom_right.vertical; |
| if (size > rect.height()) { |
| scale = std::min(rect.height() / size, scale); |
| } |
| |
| top_left.horizontal *= scale; |
| top_left.vertical *= scale; |
| top_right.horizontal *= scale; |
| top_right.vertical *= scale; |
| bottom_left.horizontal *= scale; |
| bottom_left.vertical *= scale; |
| bottom_right.horizontal *= scale; |
| bottom_right.vertical *= scale; |
| } |
| |
| } // namespace render_tree |
| } // namespace cobalt |