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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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