blob: f95c307590e95ae76306b8959bad39b910ed5795 [file] [log] [blame]
/*
* 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 "SkMatrix.h"
#include "SkPath.h"
#include "SkXfermode.h"
#include "platform/geometry/FloatRect.h"
#include "platform/graphics/Color.h"
#include "platform/graphics/GraphicsTypes.h"
#include "platform/transforms/AffineTransform.h"
#include "wtf/MathExtras.h"
#include "wtf/PassRefPtr.h"
class SkCanvas;
class SkRegion;
namespace WebCore {
class GraphicsContext;
PassRefPtr<SkXfermode> WebCoreCompositeToSkiaComposite(CompositeOperator, BlendMode = BlendModeNormal);
// 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(std::isfinite(f) ? f : 0);
}
inline SkScalar WebCoreDoubleToSkScalar(double d)
{
return SkDoubleToScalar(std::isfinite(d) ? d : 0);
}
inline SkRect WebCoreFloatRectToSKRect(const FloatRect& rect)
{
return SkRect::MakeLTRB(SkFloatToScalar(rect.x()), SkFloatToScalar(rect.y()),
SkFloatToScalar(rect.maxX()), SkFloatToScalar(rect.maxY()));
}
// 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 GraphicsContext*, const SkRect& srcRect, SkRect* destRect);
// Determine if a given WebKit point is contained in a path
bool SkPathContainsPoint(const SkPath&, const FloatPoint&, SkPath::FillType);
SkMatrix affineTransformToSkMatrix(const AffineTransform&);
} // namespace WebCore
#endif // SkiaUtils_h