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608d1fb590
Summary: `fabric/graphics` provides graphics primitives; the implementation should be platform-specific eventually. Reviewed By: fkgozali Differential Revision: D7230675 fbshipit-source-id: ff05d2673072fad5ee6f331f0155561969e1a8b6
40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "Color.h"
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#include <CoreGraphics/CoreGraphics.h>
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#include <CoreGraphics/CGColor.h>
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#include <cassert>
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namespace facebook {
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namespace react {
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SharedColor colorFromComponents(float red, float green, float blue, float alpha) {
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const CGFloat components[] = {red, green, blue, alpha};
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CGColorRef color = CGColorCreate(
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CGColorSpaceCreateDeviceRGB(),
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components
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);
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return SharedColor(color, CFRelease);
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}
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ColorComponents colorComponentsFromColor(SharedColor color) {
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int numberOfComponents = CGColorGetNumberOfComponents(color.get());
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assert(numberOfComponents == 4);
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const CGFloat *components = CGColorGetComponents(color.get());
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return ColorComponents {
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(float)components[0],
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(float)components[1],
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(float)components[2],
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(float)components[3]
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};
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}
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} // namespace react
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} // namespace facebook
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