1 files changed, 57 insertions, 0 deletions
diff --git a/webkit/port/platform/graphics/PatternSkia.cpp b/webkit/port/platform/graphics/PatternSkia.cpp
new file mode 100644
index 0000000..d80d3ec
--- /dev/null
+++ b/webkit/port/platform/graphics/PatternSkia.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2008 Google 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. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 "Pattern.h"
+
+#include "AffineTransform.h"
+#include "Image.h"
+#include "NativeImageSkia.h"
+
+#include "SkShader.h"
+
+namespace WebCore {
+
+static inline SkShader::TileMode shaderRule(bool shouldRepeat)
+{
+    // FIXME: Skia does not have a "draw the tile only once" option
+    // Clamp draws the last line of the image after stopping repeating
+    return shouldRepeat ? SkShader::kRepeat_TileMode : SkShader::kClamp_TileMode;
+}
+
+PlatformPatternPtr Pattern::createPlatformPattern(const AffineTransform& patternTransform) const
+{
+    SkBitmap* bm = m_tileImage->nativeImageForCurrentFrame();
+    SkShader* shader = SkShader::CreateBitmapShader(*bm,
+                                                    shaderRule(m_repeatX),
+                                                    shaderRule(m_repeatY));
+    shader->setLocalMatrix(patternTransform);
+    return shader;
+}
+
+} // namespace WebCore