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-rw-r--r--Source/WebCore/html/canvas/CanvasGradient.cpp66
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+/*
+ * 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 COMPUTER, 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 COMPUTER, 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 "CanvasPattern.h"
+#include "CanvasStyle.h"
+#include "CSSParser.h"
+#include "ExceptionCode.h"
+
+namespace WebCore {
+
+CanvasGradient::CanvasGradient(const FloatPoint& p0, const FloatPoint& p1)
+ : m_gradient(Gradient::create(p0, p1))
+ , m_dashbardCompatibilityMode(false)
+{
+}
+
+CanvasGradient::CanvasGradient(const FloatPoint& p0, float r0, const FloatPoint& p1, float r1)
+ : m_gradient(Gradient::create(p0, r0, p1, r1))
+ , m_dashbardCompatibilityMode(false)
+{
+}
+
+void CanvasGradient::addColorStop(float value, const String& color, ExceptionCode& ec)
+{
+ if (!(value >= 0 && value <= 1.0f)) {
+ ec = INDEX_SIZE_ERR;
+ return;
+ }
+
+ RGBA32 rgba = 0;
+ if (!parseColorOrCurrentColor(rgba, color, 0 /*canvas*/)) {
+ if (!m_dashbardCompatibilityMode)
+ ec = SYNTAX_ERR;
+ return;
+ }
+
+ m_gradient->addColorStop(value, Color(rgba));
+}
+
+} // namespace