Update rive-cpp to 2.0 version
[platform/core/uifw/rive-tizen.git] / submodule / skia / gm / ninepatchstretch.cpp
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/gm.h"
9 #include "include/core/SkBitmap.h"
10 #include "include/core/SkCanvas.h"
11 #include "include/core/SkImage.h"
12 #include "include/core/SkImageInfo.h"
13 #include "include/core/SkPaint.h"
14 #include "include/core/SkRect.h"
15 #include "include/core/SkRefCnt.h"
16 #include "include/core/SkScalar.h"
17 #include "include/core/SkSize.h"
18 #include "include/core/SkString.h"
19 #include "include/core/SkSurface.h"
20 #include "tools/ToolUtils.h"
21
22 static sk_sp<SkSurface> make_surface(SkCanvas* root, int N) {
23     SkImageInfo info = SkImageInfo::MakeN32Premul(N, N);
24     return ToolUtils::makeSurface(root, info);
25 }
26
27 static sk_sp<SkImage> make_image(SkCanvas* root, SkIRect* center) {
28     const int kFixed = 28;
29     const int kStretchy = 8;
30     const int kSize = 2*kFixed + kStretchy;
31
32     auto surface(make_surface(root, kSize));
33     SkCanvas* canvas = surface->getCanvas();
34
35     SkRect r = SkRect::MakeWH(SkIntToScalar(kSize), SkIntToScalar(kSize));
36     const SkScalar strokeWidth = SkIntToScalar(6);
37     const SkScalar radius = SkIntToScalar(kFixed) - strokeWidth/2;
38
39     center->setXYWH(kFixed, kFixed, kStretchy, kStretchy);
40
41     SkPaint paint;
42     paint.setAntiAlias(true);
43
44     paint.setColor(0xFFFF0000);
45     canvas->drawRoundRect(r, radius, radius, paint);
46     r.setXYWH(SkIntToScalar(kFixed), 0, SkIntToScalar(kStretchy), SkIntToScalar(kSize));
47     paint.setColor(0x8800FF00);
48     canvas->drawRect(r, paint);
49     r.setXYWH(0, SkIntToScalar(kFixed), SkIntToScalar(kSize), SkIntToScalar(kStretchy));
50     paint.setColor(0x880000FF);
51     canvas->drawRect(r, paint);
52
53     return surface->makeImageSnapshot();
54 }
55
56 class NinePatchStretchGM : public skiagm::GM {
57 public:
58     sk_sp<SkImage>  fImage;
59     SkIRect         fCenter;
60
61     NinePatchStretchGM() {}
62
63 protected:
64     SkString onShortName() override {
65         return SkString("ninepatch-stretch");
66     }
67
68     SkISize onISize() override {
69         return SkISize::Make(760, 800);
70     }
71
72     void onDraw(SkCanvas* canvas) override {
73         if (!fImage || !fImage->isValid(canvas->recordingContext())) {
74             fImage = make_image(canvas, &fCenter);
75         }
76
77         // amount of bm that should not be stretched (unless we have to)
78         const SkScalar fixed = SkIntToScalar(fImage->width() - fCenter.width());
79
80         const SkSize size[] = {
81             { fixed * 4 / 5, fixed * 4 / 5 },   // shrink in both axes
82             { fixed * 4 / 5, fixed * 4 },       // shrink in X
83             { fixed * 4,     fixed * 4 / 5 },   // shrink in Y
84             { fixed * 4,     fixed * 4 }
85         };
86
87         canvas->drawImage(fImage, 10, 10);
88
89         SkScalar x = SkIntToScalar(100);
90         SkScalar y = SkIntToScalar(100);
91
92         SkPaint paint;
93         for (auto fm : {SkFilterMode::kLinear, SkFilterMode::kNearest}) {
94             for (int iy = 0; iy < 2; ++iy) {
95                 for (int ix = 0; ix < 2; ++ix) {
96                     int i = ix * 2 + iy;
97                     SkRect r = SkRect::MakeXYWH(x + ix * fixed, y + iy * fixed,
98                                                 size[i].width(), size[i].height());
99                     canvas->drawImageNine(fImage.get(), fCenter, r, fm);
100                 }
101             }
102             canvas->translate(0, 400);
103         }
104     }
105
106 private:
107     using INHERITED = skiagm::GM;
108 };
109 DEF_GM( return new NinePatchStretchGM; )