/* * Copyright (C) 2016 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "ExtendedColor.h" #include "ColorSpace.h" #include <wtf/MathExtras.h> #include <wtf/dtoa.h> #include <wtf/text/StringBuilder.h> namespace WebCore { Ref<ExtendedColor> ExtendedColor::create(float red, float green, float blue, float alpha, ColorSpace colorSpace) { return adoptRef(*new ExtendedColor(red, green, blue, alpha, colorSpace)); } String ExtendedColor::cssText() const { StringBuilder builder; builder.reserveCapacity(40); builder.appendLiteral("color("); switch (m_colorSpace) { case ColorSpace::SRGB: builder.appendLiteral("srgb "); break; case ColorSpace::DisplayP3: builder.appendLiteral("display-p3 "); break; default: ASSERT_NOT_REACHED(); return WTF::emptyString(); } builder.append(FormattedNumber::fixedPrecision(red())); builder.append(' '); builder.append(FormattedNumber::fixedPrecision(green())); builder.append(' '); builder.append(FormattedNumber::fixedPrecision(blue())); if (!WTF::areEssentiallyEqual(alpha(), 1.0f)) { builder.appendLiteral(" / "); builder.append(FormattedNumber::fixedPrecision(alpha())); } builder.append(')'); return builder.toString(); } }