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
14static 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
59static 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
71static 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
80class OverflowView : public SampleView {
81public:
82	OverflowView() {}
83
84protected:
85    // overrides from SkEventSink
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
94    virtual void onDrawContent(SkCanvas* canvas) {
95        DrawRoundRect();
96        TestOverflowHitTest();
97    }
98
99private:
100    typedef SampleView INHERITED;
101};
102
103//////////////////////////////////////////////////////////////////////////////
104
105static SkView* MyFactory() { return new OverflowView; }
106static SkViewRegister reg(MyFactory);
107
108