reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef SkStroke_DEFINED |
| 18 | #define SkStroke_DEFINED |
| 19 | |
| 20 | #include "SkPoint.h" |
| 21 | #include "SkPaint.h" |
| 22 | |
| 23 | struct SkRect; |
| 24 | class SkPath; |
| 25 | |
| 26 | #define SK_DefaultStrokeWidth SK_Scalar1 |
| 27 | #define SK_DefaultMiterLimit SkIntToScalar(4) |
| 28 | |
| 29 | |
| 30 | /** \class SkStroke |
| 31 | SkStroke is the utility class that constructs paths by stroking |
| 32 | geometries (lines, rects, ovals, roundrects, paths). This is |
| 33 | invoked when a geometry or text is drawn in a canvas with the |
| 34 | kStroke_Mask bit set in the paint. |
| 35 | */ |
| 36 | class SkStroke { |
| 37 | public: |
| 38 | SkStroke(); |
| 39 | SkStroke(const SkPaint&); |
| 40 | SkStroke(const SkPaint&, SkScalar width); // width overrides paint.getStrokeWidth() |
| 41 | |
| 42 | SkPaint::Cap getCap() const { return (SkPaint::Cap)fCap; } |
| 43 | void setCap(SkPaint::Cap); |
| 44 | |
| 45 | SkPaint::Join getJoin() const { return (SkPaint::Join)fJoin; } |
| 46 | void setJoin(SkPaint::Join); |
| 47 | |
| 48 | void setMiterLimit(SkScalar); |
| 49 | void setWidth(SkScalar); |
| 50 | |
| 51 | bool getDoFill() const { return SkToBool(fDoFill); } |
| 52 | void setDoFill(bool doFill) { fDoFill = SkToU8(doFill); } |
| 53 | |
| 54 | void strokeLine(const SkPoint& start, const SkPoint& end, SkPath*) const; |
| 55 | void strokeRect(const SkRect& rect, SkPath*) const; |
| 56 | void strokeOval(const SkRect& oval, SkPath*) const; |
| 57 | void strokeRRect(const SkRect& rect, SkScalar rx, SkScalar ry, SkPath*) const; |
| 58 | void strokePath(const SkPath& path, SkPath*) const; |
| 59 | |
| 60 | //////////////////////////////////////////////////////////////// |
| 61 | |
| 62 | private: |
| 63 | SkScalar fWidth, fMiterLimit; |
| 64 | uint8_t fCap, fJoin; |
| 65 | SkBool8 fDoFill; |
| 66 | |
| 67 | friend class SkPaint; |
| 68 | }; |
| 69 | |
| 70 | #endif |
| 71 | |