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 #include "gm.h"
9 #include "SkCanvas.h"
10 #include "SkGraphics.h"
11 #include "SkRandom.h"
12 #include "SkLayerDrawLooper.h"
13 #include "SkBlurMaskFilter.h"
14
inset(const SkRect & r)15 static SkRect inset(const SkRect& r) {
16 SkRect rect = r;
17 rect.inset(r.width() / 8, r.height() / 8);
18 return rect;
19 }
20
21 class PathInteriorGM : public skiagm::GM {
22 public:
PathInteriorGM()23 PathInteriorGM() {
24 this->setBGColor(0xFFDDDDDD);
25 }
26
27 protected:
onISize()28 virtual SkISize onISize() {
29 return SkISize::Make(770, 770);
30 }
31
onShortName()32 virtual SkString onShortName() SK_OVERRIDE {
33 return SkString("pathinterior");
34 }
35
show(SkCanvas * canvas,const SkPath & path)36 void show(SkCanvas* canvas, const SkPath& path) {
37 SkPaint paint;
38 paint.setAntiAlias(true);
39
40 SkRect rect;
41 #if 0
42 bool hasInterior = path.hasRectangularInterior(&rect);
43 #else
44 bool hasInterior = false;
45 #endif
46
47 paint.setColor(hasInterior ? 0xFF8888FF : SK_ColorGRAY);
48 canvas->drawPath(path, paint);
49 paint.setStyle(SkPaint::kStroke_Style);
50 paint.setColor(SK_ColorRED);
51 canvas->drawPath(path, paint);
52
53 if (hasInterior) {
54 paint.setStyle(SkPaint::kFill_Style);
55 paint.setColor(0x8800FF00);
56 canvas->drawRect(rect, paint);
57 }
58 }
59
onDraw(SkCanvas * canvas)60 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
61 canvas->translate(8.5f, 8.5f);
62
63 const SkRect rect = { 0, 0, 80, 80 };
64 const SkScalar RAD = rect.width()/8;
65
66 int i = 0;
67 for (int insetFirst = 0; insetFirst <= 1; ++insetFirst) {
68 for (int doEvenOdd = 0; doEvenOdd <= 1; ++doEvenOdd) {
69 for (int outerRR = 0; outerRR <= 1; ++outerRR) {
70 for (int innerRR = 0; innerRR <= 1; ++innerRR) {
71 for (int outerCW = 0; outerCW <= 1; ++outerCW) {
72 for (int innerCW = 0; innerCW <= 1; ++innerCW) {
73 SkPath path;
74 path.setFillType(doEvenOdd ? SkPath::kEvenOdd_FillType : SkPath::kWinding_FillType);
75 SkPath::Direction outerDir = outerCW ? SkPath::kCW_Direction : SkPath::kCCW_Direction;
76 SkPath::Direction innerDir = innerCW ? SkPath::kCW_Direction : SkPath::kCCW_Direction;
77
78 SkRect r = insetFirst ? inset(rect) : rect;
79 if (outerRR) {
80 path.addRoundRect(r, RAD, RAD, outerDir);
81 } else {
82 path.addRect(r, outerDir);
83 }
84 r = insetFirst ? rect : inset(rect);
85 if (innerRR) {
86 path.addRoundRect(r, RAD, RAD, innerDir);
87 } else {
88 path.addRect(r, innerDir);
89 }
90
91 SkScalar dx = (i / 8) * rect.width() * 6 / 5;
92 SkScalar dy = (i % 8) * rect.height() * 6 / 5;
93 i++;
94 path.offset(dx, dy);
95
96 this->show(canvas, path);
97 }
98 }
99 }
100 }
101 }
102 }
103 }
104
105 private:
106
107 typedef GM INHERITED;
108 };
109
110 //////////////////////////////////////////////////////////////////////////////
111
MyFactory(void *)112 static skiagm::GM* MyFactory(void*) { return new PathInteriorGM; }
113 static skiagm::GMRegistry reg(MyFactory);
114