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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkStrokeRec_DEFINED
#define SkStrokeRec_DEFINED
#include "SkPaint.h"
class SkPath;
class SkStrokeRec {
public:
enum InitStyle {
kHairline_InitStyle,
kFill_InitStyle
};
SkStrokeRec(InitStyle style);
SkStrokeRec(const SkStrokeRec&);
SkStrokeRec(const SkPaint&, SkPaint::Style);
explicit SkStrokeRec(const SkPaint&);
enum Style {
kHairline_Style,
kFill_Style,
kStroke_Style,
kStrokeAndFill_Style
};
enum {
kStyleCount = kStrokeAndFill_Style + 1
};
Style getStyle() const;
SkScalar getWidth() const { return fWidth; }
SkScalar getMiter() const { return fMiterLimit; }
SkPaint::Cap getCap() const { return fCap; }
SkPaint::Join getJoin() const { return fJoin; }
bool isHairlineStyle() const {
return kHairline_Style == this->getStyle();
}
bool isFillStyle() const {
return kFill_Style == this->getStyle();
}
void setFillStyle();
void setHairlineStyle();
/**
* Specify the strokewidth, and optionally if you want stroke + fill.
* Note, if width==0, then this request is taken to mean:
* strokeAndFill==true -> new style will be Fill
* strokeAndFill==false -> new style will be Hairline
*/
void setStrokeStyle(SkScalar width, bool strokeAndFill = false);
void setStrokeParams(SkPaint::Cap cap, SkPaint::Join join, SkScalar miterLimit) {
fCap = cap;
fJoin = join;
fMiterLimit = miterLimit;
}
/**
* Returns true if this specifes any thick stroking, i.e. applyToPath()
* will return true.
*/
bool needToApply() const {
Style style = this->getStyle();
return (kStroke_Style == style) || (kStrokeAndFill_Style == style);
}
/**
* Apply these stroke parameters to the src path, returning the result
* in dst.
*
* If there was no change (i.e. style == hairline or fill) this returns
* false and dst is unchanged. Otherwise returns true and the result is
* stored in dst.
*
* src and dst may be the same path.
*/
bool applyToPath(SkPath* dst, const SkPath& src) const;
bool operator==(const SkStrokeRec& other) const {
return fWidth == other.fWidth &&
fMiterLimit == other.fMiterLimit &&
fCap == other.fCap &&
fJoin == other.fJoin &&
fStrokeAndFill == other.fStrokeAndFill;
}
private:
void init(const SkPaint& paint, SkPaint::Style style);
SkScalar fWidth;
SkScalar fMiterLimit;
SkPaint::Cap fCap;
SkPaint::Join fJoin;
bool fStrokeAndFill;
};
#endif
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