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impeller
geometry
gradient.h
Go to the documentation of this file.
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// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_IMPELLER_GEOMETRY_GRADIENT_H_
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#define FLUTTER_IMPELLER_GEOMETRY_GRADIENT_H_
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#include <cstdint>
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#include <memory>
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#include <vector>
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#include "
impeller/geometry/color.h
"
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#include "
impeller/geometry/path.h
"
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#include "
impeller/geometry/point.h
"
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namespace
impeller
{
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// If texture_size is 0 then the gradient is invalid.
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struct
GradientData
{
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std::vector<uint8_t>
color_bytes
;
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uint32_t
texture_size
;
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};
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/**
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* @brief Populate a vector with the interpolated color bytes for the linear
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* gradient described by colors and stops.
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*
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* @param colors
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* @param stops
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* @return GradientData
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*/
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GradientData
CreateGradientBuffer
(
const
std::vector<Color>& colors,
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const
std::vector<Scalar>& stops);
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}
// namespace impeller
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#endif
// FLUTTER_IMPELLER_GEOMETRY_GRADIENT_H_
color.h
path.h
point.h
impeller
Definition
texture.h:18
impeller::CreateGradientBuffer
GradientData CreateGradientBuffer(const std::vector< Color > &colors, const std::vector< Scalar > &stops)
Populate a vector with the interpolated color bytes for the linear gradient described by colors and s...
Definition
gradient.cc:20
impeller::GradientData
Definition
gradient.h:19
impeller::GradientData::texture_size
uint32_t texture_size
Definition
gradient.h:21
impeller::GradientData::color_bytes
std::vector< uint8_t > color_bytes
Definition
gradient.h:20
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