// Copyright (C) 2013 Google Inc. All rights reserved.
//
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// 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.
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// 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
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// 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 WebCore {
// Encapsulates stroke painting 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_color(Color::black)
, 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; }
Color color() const { return m_color; }
void setColor(const Color& color) { m_color = color; }
Gradient* gradient() const { return m_gradient.get(); }
void setGradient(const PassRefPtr<Gradient> gradient) { m_gradient = gradient; }
void clearGradient() { m_gradient.clear(); }
Pattern* pattern() const { return m_pattern.get(); }
void setPattern(const PassRefPtr<Pattern> pattern) { m_pattern = pattern; }
void clearPattern() { m_pattern.clear(); }
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.
// GraphicsContext::setupShader does that. 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;
Color m_color;
RefPtr<Gradient> m_gradient;
RefPtr<Pattern> m_pattern;
SkPaint::Cap m_lineCap;
SkPaint::Join m_lineJoin;
float m_miterLimit;
RefPtr<SkDashPathEffect> m_dash;
};
} // namespace WebCore
#endif // StrokeData_h