| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <cstdint> |
| #include <memory> |
| #include <vector> |
| |
| #include "impeller/geometry/color.h" |
| #include "impeller/geometry/path.h" |
| #include "impeller/geometry/point.h" |
| |
| namespace impeller { |
| |
| // If texture_size is 0 then the gradient is invalid. |
| struct GradientData { |
| std::vector<uint8_t> color_bytes; |
| uint32_t texture_size; |
| }; |
| |
| /** |
| * @brief Populate a vector with the interpolated color bytes for the linear |
| * gradient described by colors and stops. |
| * |
| * @param colors |
| * @param stops |
| * @return GradientData |
| */ |
| GradientData CreateGradientBuffer(const std::vector<Color>& colors, |
| const std::vector<Scalar>& stops); |
| |
| } // namespace impeller |