1
2 /*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8 #include "SampleCode.h"
9 #include "SkView.h"
10 #include "SkCanvas.h"
11 #include "SkDevice.h"
12 #include "SkPaint.h"
13
DrawRoundRect()14 static void DrawRoundRect() {
15 #ifdef SK_SCALAR_IS_FIXED
16 bool ret = false;
17 SkPaint paint;
18 SkBitmap bitmap;
19 SkCanvas canvas;
20 SkMatrix matrix;
21 matrix.reset();
22
23 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1370, 812);
24 bitmap.allocPixels();
25 canvas.setBitmapDevice(bitmap);
26
27 // set up clipper
28 SkRect skclip;
29 skclip.set(SkIntToFixed(284), SkIntToFixed(40), SkIntToFixed(1370), SkIntToFixed(708));
30
31 ret = canvas.clipRect(skclip);
32 SkASSERT(ret);
33
34 matrix.set(SkMatrix::kMTransX, SkFloatToFixed(-1153.28));
35 matrix.set(SkMatrix::kMTransY, SkFloatToFixed(1180.50));
36
37 matrix.set(SkMatrix::kMScaleX, SkFloatToFixed(0.177171));
38 matrix.set(SkMatrix::kMScaleY, SkFloatToFixed(0.177043));
39
40 matrix.set(SkMatrix::kMSkewX, SkFloatToFixed(0.126968));
41 matrix.set(SkMatrix::kMSkewY, SkFloatToFixed(-0.126876));
42
43 matrix.set(SkMatrix::kMPersp0, SkFloatToFixed(0.0));
44 matrix.set(SkMatrix::kMPersp1, SkFloatToFixed(0.0));
45
46 ret = canvas.concat(matrix);
47
48 paint.setAntiAlias(true);
49 paint.setColor(0xb2202020);
50 paint.setStyle(SkPaint::kStroke_Style);
51 paint.setStrokeWidth(SkFloatToFixed(68.13));
52
53 SkRect r;
54 r.set(SkFloatToFixed(-313.714417), SkFloatToFixed(-4.826389), SkFloatToFixed(18014.447266), SkFloatToFixed(1858.154541));
55 canvas.drawRoundRect(r, SkFloatToFixed(91.756363), SkFloatToFixed(91.756363), paint);
56 #endif
57 }
58
HitTestPath(const SkPath & path,SkScalar x,SkScalar y)59 static bool HitTestPath(const SkPath& path, SkScalar x, SkScalar y) {
60 SkRegion rgn, clip;
61
62 int ix = SkScalarFloor(x);
63 int iy = SkScalarFloor(y);
64
65 clip.setRect(ix, iy, ix + 1, iy + 1);
66
67 bool contains = rgn.setPath(path, clip);
68 return contains;
69 }
70
TestOverflowHitTest()71 static void TestOverflowHitTest() {
72 SkPath path;
73
74 #ifdef SK_SCALAR_IS_FLOATx
75 path.addCircle(0, 0, 70000, SkPath::kCCW_Direction);
76 SkASSERT(HitTestPath(path, 40000, 40000));
77 #endif
78 }
79
80 class OverflowView : public SampleView {
81 public:
OverflowView()82 OverflowView() {}
83
84 protected:
85 // overrides from SkEventSink
onQuery(SkEvent * evt)86 virtual bool onQuery(SkEvent* evt) {
87 if (SampleCode::TitleQ(*evt)) {
88 SampleCode::TitleR(evt, "Circles");
89 return true;
90 }
91 return this->INHERITED::onQuery(evt);
92 }
93
onDrawContent(SkCanvas * canvas)94 virtual void onDrawContent(SkCanvas* canvas) {
95 DrawRoundRect();
96 TestOverflowHitTest();
97 }
98
99 private:
100 typedef SampleView INHERITED;
101 };
102
103 //////////////////////////////////////////////////////////////////////////////
104
MyFactory()105 static SkView* MyFactory() { return new OverflowView; }
106 static SkViewRegister reg(MyFactory);
107
108