1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/include/core/SkStrokeRec.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,100 @@
1.4 +/*
1.5 + * Copyright 2012 Google Inc.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license that can be
1.8 + * found in the LICENSE file.
1.9 + */
1.10 +
1.11 +#ifndef SkStrokeRec_DEFINED
1.12 +#define SkStrokeRec_DEFINED
1.13 +
1.14 +#include "SkPaint.h"
1.15 +
1.16 +class SkPath;
1.17 +
1.18 +class SkStrokeRec {
1.19 +public:
1.20 + enum InitStyle {
1.21 + kHairline_InitStyle,
1.22 + kFill_InitStyle
1.23 + };
1.24 + SkStrokeRec(InitStyle style);
1.25 +
1.26 + SkStrokeRec(const SkStrokeRec&);
1.27 + explicit SkStrokeRec(const SkPaint&);
1.28 +
1.29 + enum Style {
1.30 + kHairline_Style,
1.31 + kFill_Style,
1.32 + kStroke_Style,
1.33 + kStrokeAndFill_Style
1.34 + };
1.35 +
1.36 + Style getStyle() const;
1.37 + SkScalar getWidth() const { return fWidth; }
1.38 + SkScalar getMiter() const { return fMiterLimit; }
1.39 + SkPaint::Cap getCap() const { return fCap; }
1.40 + SkPaint::Join getJoin() const { return fJoin; }
1.41 +
1.42 + bool isHairlineStyle() const {
1.43 + return kHairline_Style == this->getStyle();
1.44 + }
1.45 +
1.46 + bool isFillStyle() const {
1.47 + return kFill_Style == this->getStyle();
1.48 + }
1.49 +
1.50 + void setFillStyle();
1.51 + void setHairlineStyle();
1.52 + /**
1.53 + * Specify the strokewidth, and optionally if you want stroke + fill.
1.54 + * Note, if width==0, then this request is taken to mean:
1.55 + * strokeAndFill==true -> new style will be Fill
1.56 + * strokeAndFill==false -> new style will be Hairline
1.57 + */
1.58 + void setStrokeStyle(SkScalar width, bool strokeAndFill = false);
1.59 +
1.60 + void setStrokeParams(SkPaint::Cap cap, SkPaint::Join join, SkScalar miterLimit) {
1.61 + fCap = cap;
1.62 + fJoin = join;
1.63 + fMiterLimit = miterLimit;
1.64 + }
1.65 +
1.66 + /**
1.67 + * Returns true if this specifes any thick stroking, i.e. applyToPath()
1.68 + * will return true.
1.69 + */
1.70 + bool needToApply() const {
1.71 + Style style = this->getStyle();
1.72 + return (kStroke_Style == style) || (kStrokeAndFill_Style == style);
1.73 + }
1.74 +
1.75 + /**
1.76 + * Apply these stroke parameters to the src path, returning the result
1.77 + * in dst.
1.78 + *
1.79 + * If there was no change (i.e. style == hairline or fill) this returns
1.80 + * false and dst is unchanged. Otherwise returns true and the result is
1.81 + * stored in dst.
1.82 + *
1.83 + * src and dst may be the same path.
1.84 + */
1.85 + bool applyToPath(SkPath* dst, const SkPath& src) const;
1.86 +
1.87 + bool operator==(const SkStrokeRec& other) const {
1.88 + return fWidth == other.fWidth &&
1.89 + fMiterLimit == other.fMiterLimit &&
1.90 + fCap == other.fCap &&
1.91 + fJoin == other.fJoin &&
1.92 + fStrokeAndFill == other.fStrokeAndFill;
1.93 + }
1.94 +
1.95 +private:
1.96 + SkScalar fWidth;
1.97 + SkScalar fMiterLimit;
1.98 + SkPaint::Cap fCap;
1.99 + SkPaint::Join fJoin;
1.100 + bool fStrokeAndFill;
1.101 +};
1.102 +
1.103 +#endif
