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// Copyright (C) 2013 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.
#ifndef StrokeData_h
#define StrokeData_h
#include "platform/PlatformExport.h"
#include "platform/graphics/DashArray.h"
#include "platform/graphics/Gradient.h"
#include "platform/graphics/GraphicsTypes.h"
#include "platform/graphics/Pattern.h"
#include "third_party/skia/include/core/SkColorPriv.h"
#include "third_party/skia/include/effects/SkDashPathEffect.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
namespace blink {
// Encapsulates stroke geometry information.
// It is pulled out of GraphicsContextState to enable other methods to use it.
class PLATFORM_EXPORT StrokeData {
public:
StrokeData()
: m_style(SolidStroke)
, m_thickness(0)
, m_lineCap(SkPaint::kDefault_Cap)
, m_lineJoin(SkPaint::kDefault_Join)
, m_miterLimit(4)
{
}
StrokeStyle style() const { return m_style; }
void setStyle(StrokeStyle style) { m_style = style; }
float thickness() const { return m_thickness; }
void setThickness(float thickness) { m_thickness = thickness; }
LineCap lineCap() const { return (LineCap)m_lineCap; }
void setLineCap(LineCap cap) { m_lineCap = (SkPaint::Cap)cap; }
LineJoin lineJoin() const { return (LineJoin)m_lineJoin; }
void setLineJoin(LineJoin join) { m_lineJoin = (SkPaint::Join)join; }
float miterLimit() const { return m_miterLimit; }
void setMiterLimit(float miterLimit) { m_miterLimit = miterLimit; }
void setLineDash(const DashArray&, float);
// Sets everything on the paint except the pattern, gradient and color.
// If a non-zero length is provided, the number of dashes/dots on a
// dashed/dotted line will be adjusted to start and end that length with a
// dash/dot.
void setupPaint(SkPaint*, int length = 0) const;
// Setup any DashPathEffect on the paint. If a non-zero length is provided,
// and no line dash has been set, the number of dashes/dots on a dashed/dotted
// line will be adjusted to start and end that length with a dash/dot.
void setupPaintDashPathEffect(SkPaint*, int) const;
private:
StrokeStyle m_style;
float m_thickness;
SkPaint::Cap m_lineCap;
SkPaint::Join m_lineJoin;
float m_miterLimit;
RefPtr<SkDashPathEffect> m_dash;
};
} // namespace blink
#endif // StrokeData_h
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