92 lines
2.6 KiB
C++
92 lines
2.6 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 "graphicValuesConversions.h"
|
|
|
|
#include <folly/Conv.h>
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
SharedColor colorFromDynamic(const folly::dynamic &value) {
|
|
float red;
|
|
float green;
|
|
float blue;
|
|
float alpha;
|
|
|
|
if (value.isNumber()) {
|
|
auto argb = value.asInt();
|
|
float ratio = 256;
|
|
alpha = ((argb >> 24) & 0xFF) / ratio;
|
|
red = ((argb >> 16) & 0xFF) / ratio;
|
|
green = ((argb >> 8) & 0xFF) / ratio;
|
|
blue = (argb & 0xFF) / ratio;
|
|
} else if (value.isArray()) {
|
|
auto size = value.size();
|
|
assert(size == 3 || size == 4);
|
|
red = value[0].asDouble();
|
|
green = value[1].asDouble();
|
|
blue = value[2].asDouble();
|
|
alpha = size == 4 ? value[3].asDouble() : 1.0;
|
|
} else {
|
|
abort();
|
|
}
|
|
|
|
return colorFromComponents({red, green, blue, alpha});
|
|
}
|
|
|
|
std::string colorNameFromColor(const SharedColor &value) {
|
|
ColorComponents components = colorComponentsFromColor(value);
|
|
const float ratio = 256;
|
|
return "rgba(" +
|
|
folly::to<std::string>(round(components.red * ratio)) + ", " +
|
|
folly::to<std::string>(round(components.green * ratio)) + ", " +
|
|
folly::to<std::string>(round(components.blue * ratio)) + ", " +
|
|
folly::to<std::string>(round(components.alpha * ratio)) + ")";
|
|
}
|
|
|
|
std::string stringFromPoint(const Point &point) {
|
|
return "{" + folly::to<std::string>(point.x) + ", " + folly::to<std::string>(point.y) + "}";
|
|
}
|
|
|
|
std::string stringFromSize(const Size &size) {
|
|
return "{" + folly::to<std::string>(size.width) + ", " + folly::to<std::string>(size.height) + "}";
|
|
}
|
|
|
|
std::string stringFromRect(const Rect &rect) {
|
|
return "{" + stringFromPoint(rect.origin) + ", " + stringFromSize(rect.size) + "}";
|
|
}
|
|
|
|
std::string stringFromEdgeInsets(const EdgeInsets &edgeInsets) {
|
|
return "{" +
|
|
folly::to<std::string>(edgeInsets.left) + ", " +
|
|
folly::to<std::string>(edgeInsets.top) + ", " +
|
|
folly::to<std::string>(edgeInsets.right) + ", " +
|
|
folly::to<std::string>(edgeInsets.bottom) + "}";
|
|
}
|
|
|
|
Float floatFromDynamic(const folly::dynamic &value) {
|
|
return value.asDouble();
|
|
}
|
|
|
|
Point pointFromDynamic(const folly::dynamic &value) {
|
|
if (value.isArray()) {
|
|
return Point {(Float)value[0].asDouble(), (Float)value[1].asDouble()};
|
|
}
|
|
abort();
|
|
}
|
|
|
|
Size sizeFromDynamic(const folly::dynamic &value) {
|
|
if (value.isArray()) {
|
|
return Size {(Float)value[0].asDouble(), (Float)value[1].asDouble()};
|
|
}
|
|
abort();
|
|
}
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|