/* * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. * Copyright (C) 2007 Alp Toker <alp@atoker.com> * * 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 "CanvasGradient.h" #include "CanvasStyle.h" #include "ExceptionCode.h" namespace WebCore { CanvasGradient::CanvasGradient(const FloatPoint& p0, const FloatPoint& p1) : m_gradient(Gradient::create(p0, p1)) { } CanvasGradient::CanvasGradient(const FloatPoint& p0, float r0, const FloatPoint& p1, float r1) : m_gradient(Gradient::create(p0, r0, p1, r1)) { } ExceptionOr<void> CanvasGradient::addColorStop(float value, const String& colorString) { if (!(value >= 0 && value <= 1)) return Exception { INDEX_SIZE_ERR }; // FIXME: Passing null for canvas means this won't work for current color. Is that OK? Color color = parseColorOrCurrentColor(colorString, nullptr /*canvas*/); if (!color.isValid()) { #if ENABLE(DASHBOARD_SUPPORT) if (m_dashboardCompatibilityMode) return { }; #endif return Exception { SYNTAX_ERR }; } m_gradient->addColorStop(value, color); return { }; } }