mirror of https://github.com/electron/electron
69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
// Copyright (c) 2016 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/common/color_util.h"
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#include <algorithm>
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#include <cmath>
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#include <vector>
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#include "base/strings/string_util.h"
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#include "base/strings/stringprintf.h"
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#include "content/public/common/color_parser.h"
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#include "ui/gfx/color_utils.h"
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namespace {
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bool IsHexFormatWithAlpha(const std::string& str) {
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// Must be either #ARGB or #AARRGGBB.
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bool is_hex_length = str.length() == 5 || str.length() == 9;
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if (str[0] != '#' || !is_hex_length)
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return false;
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if (!std::all_of(str.begin() + 1, str.end(), ::isxdigit))
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return false;
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return true;
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}
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} // namespace
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namespace electron {
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SkColor ParseCSSColor(const std::string& color_string) {
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// ParseCssColorString expects RGBA and we historically use ARGB
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// so we need to convert before passing to ParseCssColorString.
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std::string converted_color_str;
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if (IsHexFormatWithAlpha(color_string)) {
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std::string temp = color_string;
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int len = color_string.length() == 5 ? 1 : 2;
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converted_color_str = temp.erase(1, len) + color_string.substr(1, len);
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} else {
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converted_color_str = color_string;
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}
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SkColor color;
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if (!content::ParseCssColorString(converted_color_str, &color))
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color = SK_ColorWHITE;
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return color;
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}
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std::string ToRGBHex(SkColor color) {
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return base::StringPrintf("#%02X%02X%02X", SkColorGetR(color),
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SkColorGetG(color), SkColorGetB(color));
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}
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std::string ToRGBAHex(SkColor color, bool include_hash) {
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std::string color_str = base::StringPrintf(
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"%02X%02X%02X%02X", SkColorGetR(color), SkColorGetG(color),
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SkColorGetB(color), SkColorGetA(color));
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if (include_hash) {
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return "#" + color_str;
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}
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return color_str;
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}
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} // namespace electron
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