1/* 2 * Copyright 2011 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#include "gm.h" 9#include "SkCanvas.h" 10#include "SkPath.h" 11#include "SkTypeface.h" 12 13static void test_path(SkCanvas* canvas, const SkPath& path) { 14 SkPaint paint; 15 paint.setAntiAlias(true); 16 canvas->drawPath(path, paint); 17 18 paint.setStyle(SkPaint::kStroke_Style); 19 paint.setColor(SK_ColorRED); 20 canvas->drawPath(path, paint); 21} 22 23static void test_rev(SkCanvas* canvas, const SkPath& path) { 24 test_path(canvas, path); 25 26 SkPath rev; 27 rev.reverseAddPath(path); 28 canvas->save(); 29 canvas->translate(150, 0); 30 test_path(canvas, rev); 31 canvas->restore(); 32} 33 34static void test_rev(SkCanvas* canvas) { 35 SkRect r = { 10, 10, 100, 60 }; 36 37 SkPath path; 38 39 path.addRect(r); test_rev(canvas, path); 40 41 canvas->translate(0, 100); 42 path.offset(20, 20); 43 path.addRect(r); test_rev(canvas, path); 44 45 canvas->translate(0, 100); 46 path.reset(); 47 path.moveTo(10, 10); path.lineTo(30, 30); 48 path.addOval(r); 49 r.offset(50, 20); 50 path.addOval(r); 51 test_rev(canvas, path); 52 53 SkPaint paint; 54 paint.setTextSize(SkIntToScalar(100)); 55 SkTypeface* hira = SkTypeface::CreateFromName("Hiragino Maru Gothic Pro", SkTypeface::kNormal); 56 SkSafeUnref(paint.setTypeface(hira)); 57 path.reset(); 58 paint.getTextPath("e", 1, 50, 50, &path); 59 canvas->translate(0, 100); 60 test_rev(canvas, path); 61} 62 63namespace skiagm { 64 65class PathReverseGM : public GM { 66public: 67 PathReverseGM() { 68 69 } 70 71protected: 72 virtual SkString onShortName() { 73 return SkString("path-reverse"); 74 } 75 76 virtual SkISize onISize() { 77 return make_isize(640, 480); 78 } 79 80 virtual void onDraw(SkCanvas* canvas) { 81 SkRect r = { 10, 10, 100, 60 }; 82 83 SkPath path; 84 85 path.addRect(r); test_rev(canvas, path); 86 87 canvas->translate(0, 100); 88 path.offset(20, 20); 89 path.addRect(r); test_rev(canvas, path); 90 91 canvas->translate(0, 100); 92 path.reset(); 93 path.moveTo(10, 10); path.lineTo(30, 30); 94 path.addOval(r); 95 r.offset(50, 20); 96 path.addOval(r); 97 test_rev(canvas, path); 98 99 SkPaint paint; 100 paint.setTextSize(SkIntToScalar(100)); 101 SkTypeface* hira = SkTypeface::CreateFromName("Hiragino Maru Gothic Pro", SkTypeface::kNormal); 102 SkSafeUnref(paint.setTypeface(hira)); 103 path.reset(); 104 paint.getTextPath("e", 1, 50, 50, &path); 105 canvas->translate(0, 100); 106 test_rev(canvas, path); 107 } 108 109private: 110 typedef GM INHERITED; 111}; 112 113////////////////////////////////////////////////////////////////////////////// 114 115static GM* MyFactory(void*) { return new PathReverseGM; } 116static GMRegistry reg(MyFactory); 117 118} 119