46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
/**
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
#include "Color.h"
|
|
#include <CoreGraphics/CoreGraphics.h>
|
|
#include <CoreGraphics/CGColor.h>
|
|
#include <cassert>
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
SharedColor colorFromComponents(ColorComponents components) {
|
|
const CGFloat componentsArray[] = {
|
|
components.red,
|
|
components.green,
|
|
components.blue,
|
|
components.alpha
|
|
};
|
|
|
|
CGColorRef color = CGColorCreate(
|
|
CGColorSpaceCreateDeviceRGB(),
|
|
componentsArray
|
|
);
|
|
|
|
return SharedColor(color, CFRelease);
|
|
}
|
|
|
|
ColorComponents colorComponentsFromColor(SharedColor color) {
|
|
int numberOfComponents = CGColorGetNumberOfComponents(color.get());
|
|
assert(numberOfComponents == 4);
|
|
const CGFloat *components = CGColorGetComponents(color.get());
|
|
return ColorComponents {
|
|
(float)components[0],
|
|
(float)components[1],
|
|
(float)components[2],
|
|
(float)components[3]
|
|
};
|
|
}
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|