1 files changed, 74 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/cairo/GradientCairo.cpp b/WebCore/platform/graphics/cairo/GradientCairo.cpp
new file mode 100644
index 0000000..7776424
--- /dev/null
+++ b/WebCore/platform/graphics/cairo/GradientCairo.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2006, 2007, 2008 Apple Computer, 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 "Gradient.h"
+
+#include "CSSParser.h"
+#include "GraphicsContext.h"
+#include <cairo.h>
+
+namespace WebCore {
+
+void Gradient::platformDestroy()
+{
+    if (m_gradient) {
+        cairo_pattern_destroy(m_gradient);
+        m_gradient = 0;
+    }
+}
+
+cairo_pattern_t* Gradient::platformGradient()
+{
+    if (m_gradient)
+        return m_gradient;
+
+    if (m_radial)
+        m_gradient = cairo_pattern_create_radial(m_p0.x(), m_p0.y(), m_r0, m_p1.x(), m_p1.y(), m_r1);
+    else
+        m_gradient = cairo_pattern_create_linear(m_p0.x(), m_p0.y(), m_p1.x(), m_p1.y());
+
+    Vector<ColorStop>::iterator stopIterator = m_stops.begin();
+    while (stopIterator != m_stops.end()) {
+        cairo_pattern_add_color_stop_rgba(m_gradient, stopIterator->stop, stopIterator->red, stopIterator->green, stopIterator->blue, stopIterator->alpha);
+        ++stopIterator;
+    }
+
+    return m_gradient;
+}
+
+void Gradient::fill(GraphicsContext* context, const FloatRect& rect)
+{
+    cairo_t* cr = context->platformContext();
+
+    cairo_save(cr);
+    cairo_set_source(cr, platformGradient());
+    cairo_rectangle(cr, rect.x(), rect.y(), rect.width(), rect.height());
+    cairo_fill(cr);
+    cairo_restore(cr);
+}
+
+} //namespace