| // Copyright 2014 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_MATH_TRANSFORM_2D_H_ |
| #define COBALT_MATH_TRANSFORM_2D_H_ |
| |
| #include "cobalt/math/matrix3_f.h" |
| #include "cobalt/math/vector2d_f.h" |
| |
| namespace cobalt { |
| namespace math { |
| |
| cobalt::math::Matrix3F TranslateMatrix(float x, float y); |
| inline cobalt::math::Matrix3F TranslateMatrix( |
| const math::Vector2dF& translate) { |
| return TranslateMatrix(translate.x(), translate.y()); |
| } |
| |
| cobalt::math::Matrix3F ScaleMatrix(float x_scale, float y_scale); |
| inline cobalt::math::Matrix3F ScaleMatrix(const math::Vector2dF& scale) { |
| return ScaleMatrix(scale.x(), scale.y()); |
| } |
| |
| cobalt::math::Matrix3F ScaleMatrix(float scale); |
| cobalt::math::Matrix3F RotateMatrix(float counter_clockwise_angle_in_radians); |
| |
| } // namespace math |
| } // namespace cobalt |
| |
| #endif // COBALT_MATH_TRANSFORM_2D_H_ |