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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SKIA_EXT_SKIA_UTILS_H_
#define SKIA_EXT_SKIA_UTILS_H_
#include "SkColor.h"
#include "SkShader.h"
namespace skia {
// Creates a vertical gradient shader. The caller owns the shader.
// Example usage to avoid leaks:
// paint.setShader(gfx::CreateGradientShader(0, 10, red, blue))->safeUnref();
//
// (The old shader in the paint, if any, needs to be freed, and safeUnref will
// handle the NULL case.)
SkShader* CreateGradientShader(int start_point,
int end_point,
SkColor start_color,
SkColor end_color);
// Convert a premultiplied SkColor to a HSL value.
void SkColorToHSL(SkPMColor c, float hsl[3]);
// Convert a HSL color to a premultiplied SkColor.
SkPMColor HSLToSKColor(U8CPU alpha, float hsl[3]);
} // namespace skia
#endif // SKIA_EXT_SKIA_UTILS_H_
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