1 /* 2 * Copyright 2006 The Android Open Source Project 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 SkDashPathEffect_DEFINED 9 #define SkDashPathEffect_DEFINED 10 11 #include "SkPathEffect.h" 12 13 class SK_API SkDashPathEffect { 14 public: 15 /** intervals: array containing an even number of entries (>=2), with 16 the even indices specifying the length of "on" intervals, and the odd 17 indices specifying the length of "off" intervals. This array will be 18 copied in Make, and can be disposed of freely after. 19 count: number of elements in the intervals array 20 phase: offset into the intervals array (mod the sum of all of the 21 intervals). 22 23 For example: if intervals[] = {10, 20}, count = 2, and phase = 25, 24 this will set up a dashed path like so: 25 5 pixels off 26 10 pixels on 27 20 pixels off 28 10 pixels on 29 20 pixels off 30 ... 31 A phase of -5, 25, 55, 85, etc. would all result in the same path, 32 because the sum of all the intervals is 30. 33 34 Note: only affects stroked paths. 35 */ 36 static sk_sp<SkPathEffect> Make(const SkScalar intervals[], int count, SkScalar phase); 37 }; 38 39 #endif 40
