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 72
