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comparison: gfx/skia/trunk/include/core/SkStrokeRec.h
gfx/skia/trunk/include/core/SkStrokeRec.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:b7730bdae630 |
|---|---|
| 1 /* | |
| 2 * Copyright 2012 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef SkStrokeRec_DEFINED | |
| 9 #define SkStrokeRec_DEFINED | |
| 10 | |
| 11 #include "SkPaint.h" | |
| 12 | |
| 13 class SkPath; | |
| 14 | |
| 15 class SkStrokeRec { | |
| 16 public: | |
| 17 enum InitStyle { | |
| 18 kHairline_InitStyle, | |
| 19 kFill_InitStyle | |
| 20 }; | |
| 21 SkStrokeRec(InitStyle style); | |
| 22 | |
| 23 SkStrokeRec(const SkStrokeRec&); | |
| 24 explicit SkStrokeRec(const SkPaint&); | |
| 25 | |
| 26 enum Style { | |
| 27 kHairline_Style, | |
| 28 kFill_Style, | |
| 29 kStroke_Style, | |
| 30 kStrokeAndFill_Style | |
| 31 }; | |
| 32 | |
| 33 Style getStyle() const; | |
| 34 SkScalar getWidth() const { return fWidth; } | |
| 35 SkScalar getMiter() const { return fMiterLimit; } | |
| 36 SkPaint::Cap getCap() const { return fCap; } | |
| 37 SkPaint::Join getJoin() const { return fJoin; } | |
| 38 | |
| 39 bool isHairlineStyle() const { | |
| 40 return kHairline_Style == this->getStyle(); | |
| 41 } | |
| 42 | |
| 43 bool isFillStyle() const { | |
| 44 return kFill_Style == this->getStyle(); | |
| 45 } | |
| 46 | |
| 47 void setFillStyle(); | |
| 48 void setHairlineStyle(); | |
| 49 /** | |
| 50 * Specify the strokewidth, and optionally if you want stroke + fill. | |
| 51 * Note, if width==0, then this request is taken to mean: | |
| 52 * strokeAndFill==true -> new style will be Fill | |
| 53 * strokeAndFill==false -> new style will be Hairline | |
| 54 */ | |
| 55 void setStrokeStyle(SkScalar width, bool strokeAndFill = false); | |
| 56 | |
| 57 void setStrokeParams(SkPaint::Cap cap, SkPaint::Join join, SkScalar miterLimit) { | |
| 58 fCap = cap; | |
| 59 fJoin = join; | |
| 60 fMiterLimit = miterLimit; | |
| 61 } | |
| 62 | |
| 63 /** | |
| 64 * Returns true if this specifes any thick stroking, i.e. applyToPath() | |
| 65 * will return true. | |
| 66 */ | |
| 67 bool needToApply() const { | |
| 68 Style style = this->getStyle(); | |
| 69 return (kStroke_Style == style) || (kStrokeAndFill_Style == style); | |
| 70 } | |
| 71 | |
| 72 /** | |
| 73 * Apply these stroke parameters to the src path, returning the result | |
| 74 * in dst. | |
| 75 * | |
| 76 * If there was no change (i.e. style == hairline or fill) this returns | |
| 77 * false and dst is unchanged. Otherwise returns true and the result is | |
| 78 * stored in dst. | |
| 79 * | |
| 80 * src and dst may be the same path. | |
| 81 */ | |
| 82 bool applyToPath(SkPath* dst, const SkPath& src) const; | |
| 83 | |
| 84 bool operator==(const SkStrokeRec& other) const { | |
| 85 return fWidth == other.fWidth && | |
| 86 fMiterLimit == other.fMiterLimit && | |
| 87 fCap == other.fCap && | |
| 88 fJoin == other.fJoin && | |
| 89 fStrokeAndFill == other.fStrokeAndFill; | |
| 90 } | |
| 91 | |
| 92 private: | |
| 93 SkScalar fWidth; | |
| 94 SkScalar fMiterLimit; | |
| 95 SkPaint::Cap fCap; | |
| 96 SkPaint::Join fJoin; | |
| 97 bool fStrokeAndFill; | |
| 98 }; | |
| 99 | |
| 100 #endif |
