auto import from //depot/cupcake/@136594

1 files changed, 82 insertions, 0 deletions

diff --git a/WebCore/platform/graphics/skia/SkiaUtils.h b/WebCore/platform/graphics/skia/SkiaUtils.h
new file mode 100644
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+++ b/WebCore/platform/graphics/skia/SkiaUtils.h
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+/*
+ * Copyright (c) 2006,2007,2008, 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:
+ * 
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER 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.
+ */
+
+// All of the functions in this file should move to new homes and this file should be deleted.
+
+#ifndef SkiaUtils_h
+#define SkiaUtils_h
+
+#include <wtf/MathExtras.h>
+#include "GraphicsContext.h"
+#include "SkPath.h"
+#include "SkPorterDuff.h"
+
+class SkCanvas;
+class SkRegion;
+
+namespace WebCore {
+
+SkPorterDuff::Mode WebCoreCompositeToSkiaComposite(CompositeOperator);
+
+// move this guy into SkColor.h
+SkColor SkPMColorToColor(SkPMColor);
+
+// This should be an operator on Color
+Color SkPMColorToWebCoreColor(SkPMColor);
+
+// Skia has problems when passed infinite, etc floats, filter them to 0.
+inline SkScalar WebCoreFloatToSkScalar(float f)
+{
+    return SkFloatToScalar(isfinite(f) ? f : 0);
+}
+
+inline SkScalar WebCoreDoubleToSkScalar(double d)
+{
+    return SkDoubleToScalar(isfinite(d) ? d : 0);
+}
+
+// Computes the smallest rectangle that, which when drawn to the given canvas,
+// will cover the same area as the source rectangle. It will clip to the canvas'
+// clip, doing the necessary coordinate transforms.
+//
+// srcRect and destRect can be the same.
+void ClipRectToCanvas(const SkCanvas&, const SkRect& srcRect, SkRect* destRect);
+
+// Determine if a given WebKit point is contained in a path
+bool SkPathContainsPoint(SkPath*, const FloatPoint&, SkPath::FillType);
+
+// Returns a statically allocated 1x1 GraphicsContext intended for temporary
+// operations. Please save() the state and restore() it when you're done with
+// the context.
+GraphicsContext* scratchContext();
+
+}  // namespace WebCore
+
+#endif  // SkiaUtils_h