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Side by Side Diff: gm/ninepatchstretch.cpp

Issue 1810813003: update callsites for Make image factories (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: start to take advantage of sk_sp drawImage Created 4 years, 9 months ago
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1 /* 1 /*
2 * Copyright 2011 Google Inc. 2 * Copyright 2011 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "gm.h" 8 #include "gm.h"
9 #include "SkSurface.h" 9 #include "SkSurface.h"
10 10
11 static SkSurface* make_surface(SkCanvas* root, int N) { 11 static SkSurface* make_surface(SkCanvas* root, int N) {
12 SkImageInfo info = SkImageInfo::MakeN32Premul(N, N); 12 SkImageInfo info = SkImageInfo::MakeN32Premul(N, N);
13 SkSurface* surface = root->newSurface(info); 13 SkSurface* surface = root->newSurface(info);
14 if (!surface) { 14 if (!surface) {
15 surface = SkSurface::NewRaster(info); 15 surface = SkSurface::NewRaster(info);
16 } 16 }
17 return surface; 17 return surface;
18 } 18 }
19 19
20 static SkImage* make_image(SkCanvas* root, SkIRect* center) { 20 static sk_sp<SkImage> make_image(SkCanvas* root, SkIRect* center) {
21 const int kFixed = 28; 21 const int kFixed = 28;
22 const int kStretchy = 8; 22 const int kStretchy = 8;
23 const int kSize = 2*kFixed + kStretchy; 23 const int kSize = 2*kFixed + kStretchy;
24 24
25 SkAutoTUnref<SkSurface> surface(make_surface(root, kSize)); 25 SkAutoTUnref<SkSurface> surface(make_surface(root, kSize));
26 SkCanvas* canvas = surface->getCanvas(); 26 SkCanvas* canvas = surface->getCanvas();
27 27
28 SkRect r = SkRect::MakeWH(SkIntToScalar(kSize), SkIntToScalar(kSize)); 28 SkRect r = SkRect::MakeWH(SkIntToScalar(kSize), SkIntToScalar(kSize));
29 const SkScalar strokeWidth = SkIntToScalar(6); 29 const SkScalar strokeWidth = SkIntToScalar(6);
30 const SkScalar radius = SkIntToScalar(kFixed) - strokeWidth/2; 30 const SkScalar radius = SkIntToScalar(kFixed) - strokeWidth/2;
31 31
32 center->setXYWH(kFixed, kFixed, kStretchy, kStretchy); 32 center->setXYWH(kFixed, kFixed, kStretchy, kStretchy);
33 33
34 SkPaint paint; 34 SkPaint paint;
35 paint.setAntiAlias(true); 35 paint.setAntiAlias(true);
36 36
37 paint.setColor(0xFFFF0000); 37 paint.setColor(0xFFFF0000);
38 canvas->drawRoundRect(r, radius, radius, paint); 38 canvas->drawRoundRect(r, radius, radius, paint);
39 r.setXYWH(SkIntToScalar(kFixed), 0, SkIntToScalar(kStretchy), SkIntToScalar( kSize)); 39 r.setXYWH(SkIntToScalar(kFixed), 0, SkIntToScalar(kStretchy), SkIntToScalar( kSize));
40 paint.setColor(0x8800FF00); 40 paint.setColor(0x8800FF00);
41 canvas->drawRect(r, paint); 41 canvas->drawRect(r, paint);
42 r.setXYWH(0, SkIntToScalar(kFixed), SkIntToScalar(kSize), SkIntToScalar(kStr etchy)); 42 r.setXYWH(0, SkIntToScalar(kFixed), SkIntToScalar(kSize), SkIntToScalar(kStr etchy));
43 paint.setColor(0x880000FF); 43 paint.setColor(0x880000FF);
44 canvas->drawRect(r, paint); 44 canvas->drawRect(r, paint);
45 45
46 return surface->newImageSnapshot(); 46 return surface->makeImageSnapshot();
47 } 47 }
48 48
49 static void image_to_bitmap(const SkImage* image, SkBitmap* bm) { 49 static void image_to_bitmap(const SkImage* image, SkBitmap* bm) {
50 SkImageInfo info = SkImageInfo::MakeN32Premul(image->width(), image->height( )); 50 SkImageInfo info = SkImageInfo::MakeN32Premul(image->width(), image->height( ));
51 bm->allocPixels(info); 51 bm->allocPixels(info);
52 image->readPixels(info, bm->getPixels(), bm->rowBytes(), 0, 0); 52 image->readPixels(info, bm->getPixels(), bm->rowBytes(), 0, 0);
53 } 53 }
54 54
55 class NinePatchStretchGM : public skiagm::GM { 55 class NinePatchStretchGM : public skiagm::GM {
56 public: 56 public:
57 SkAutoTUnref<SkImage> fImage; 57 sk_sp<SkImage> fImage;
58 SkBitmap fBitmap; 58 SkBitmap fBitmap;
59 SkIRect fCenter; 59 SkIRect fCenter;
60 60
61 NinePatchStretchGM() {} 61 NinePatchStretchGM() {}
62 62
63 protected: 63 protected:
64 SkString onShortName() override { 64 SkString onShortName() override {
65 return SkString("ninepatch-stretch"); 65 return SkString("ninepatch-stretch");
66 } 66 }
67 67
68 SkISize onISize() override { 68 SkISize onISize() override {
69 return SkISize::Make(760, 800); 69 return SkISize::Make(760, 800);
70 } 70 }
71 71
72 void onDraw(SkCanvas* canvas) override { 72 void onDraw(SkCanvas* canvas) override {
73 if (nullptr == fBitmap.pixelRef()) { 73 if (nullptr == fBitmap.pixelRef()) {
74 fImage.reset(make_image(canvas, &fCenter)); 74 fImage = make_image(canvas, &fCenter);
75 image_to_bitmap(fImage, &fBitmap); 75 image_to_bitmap(fImage.get(), &fBitmap);
76 } 76 }
77 77
78 // amount of bm that should not be stretched (unless we have to) 78 // amount of bm that should not be stretched (unless we have to)
79 const SkScalar fixed = SkIntToScalar(fBitmap.width() - fCenter.width()); 79 const SkScalar fixed = SkIntToScalar(fBitmap.width() - fCenter.width());
80 80
81 const SkTSize<SkScalar> size[] = { 81 const SkTSize<SkScalar> size[] = {
82 { fixed * 4 / 5, fixed * 4 / 5 }, // shrink in both axes 82 { fixed * 4 / 5, fixed * 4 / 5 }, // shrink in both axes
83 { fixed * 4 / 5, fixed * 4 }, // shrink in X 83 { fixed * 4 / 5, fixed * 4 }, // shrink in X
84 { fixed * 4, fixed * 4 / 5 }, // shrink in Y 84 { fixed * 4, fixed * 4 / 5 }, // shrink in Y
85 { fixed * 4, fixed * 4 } 85 { fixed * 4, fixed * 4 }
86 }; 86 };
87 87
88 canvas->drawBitmap(fBitmap, 10, 10, nullptr); 88 canvas->drawBitmap(fBitmap, 10, 10, nullptr);
89 89
90 SkScalar x = SkIntToScalar(100); 90 SkScalar x = SkIntToScalar(100);
91 SkScalar y = SkIntToScalar(100); 91 SkScalar y = SkIntToScalar(100);
92 92
93 SkPaint paint; 93 SkPaint paint;
94 for (int filter = 0; filter < 2; filter++) { 94 for (int filter = 0; filter < 2; filter++) {
95 paint.setFilterQuality(filter == 0 ? kLow_SkFilterQuality : kNone_Sk FilterQuality); 95 paint.setFilterQuality(filter == 0 ? kLow_SkFilterQuality : kNone_Sk FilterQuality);
96 canvas->translate(0, filter * SkIntToScalar(400)); 96 canvas->translate(0, filter * SkIntToScalar(400));
97 for (int iy = 0; iy < 2; ++iy) { 97 for (int iy = 0; iy < 2; ++iy) {
98 for (int ix = 0; ix < 2; ++ix) { 98 for (int ix = 0; ix < 2; ++ix) {
99 int i = ix * 2 + iy; 99 int i = ix * 2 + iy;
100 SkRect r = SkRect::MakeXYWH(x + ix * fixed, y + iy * fixed, 100 SkRect r = SkRect::MakeXYWH(x + ix * fixed, y + iy * fixed,
101 size[i].width(), size[i].height( )); 101 size[i].width(), size[i].height( ));
102 canvas->drawBitmapNine(fBitmap, fCenter, r, &paint); 102 canvas->drawBitmapNine(fBitmap, fCenter, r, &paint);
103 canvas->drawImageNine(fImage, fCenter, r.makeOffset(360, 0), &paint); 103 canvas->drawImageNine(fImage.get(), fCenter, r.makeOffset(36 0, 0), &paint);
104 } 104 }
105 } 105 }
106 } 106 }
107 } 107 }
108 108
109 private: 109 private:
110 typedef skiagm::GM INHERITED; 110 typedef skiagm::GM INHERITED;
111 }; 111 };
112 DEF_GM( return new NinePatchStretchGM; ) 112 DEF_GM( return new NinePatchStretchGM; )
113 113
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