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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "SkGradientShader.h" | 9 #include "SkGradientShader.h" |
10 #include "SkSurface.h" | 10 #include "SkSurface.h" |
11 #include "SkSurfaceProps.h" | 11 #include "SkSurfaceProps.h" |
12 | 12 |
13 #define W 200 | 13 #define W 200 |
14 #define H 100 | 14 #define H 100 |
15 | 15 |
16 static sk_sp<SkShader> make_shader() { | 16 static sk_sp<SkShader> make_shader() { |
17 int a = 0x99; | 17 int a = 0x99; |
18 int b = 0xBB; | 18 int b = 0xBB; |
19 SkPoint pts[] = { { 0, 0 }, { W, H } }; | 19 SkPoint pts[] = { { 0, 0 }, { W, H } }; |
20 SkColor colors[] = { SkColorSetRGB(a, a, a), SkColorSetRGB(b, b, b) }; | 20 SkColor colors[] = { SkColorSetRGB(a, a, a), SkColorSetRGB(b, b, b) }; |
21 return SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkShader::kClam
p_TileMode); | 21 return SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkShader::kClam
p_TileMode); |
22 } | 22 } |
23 | 23 |
24 static sk_sp<SkSurface> make_surface(GrContext* ctx, const SkImageInfo& info, Sk
PixelGeometry geo, | 24 static sk_sp<SkSurface> make_surface(GrContext* ctx, const SkImageInfo& info, Sk
PixelGeometry geo, |
25 int disallowAA, int disallowDither, bool ga
mmaCorrect) { | 25 int disallowAA, int disallowDither) { |
26 uint32_t flags = 0; | 26 uint32_t flags = 0; |
27 if (disallowAA) { | 27 if (disallowAA) { |
28 flags |= SkSurfaceProps::kDisallowAntiAlias_Flag; | 28 flags |= SkSurfaceProps::kDisallowAntiAlias_Flag; |
29 } | 29 } |
30 if (disallowDither) { | 30 if (disallowDither) { |
31 flags |= SkSurfaceProps::kDisallowDither_Flag; | 31 flags |= SkSurfaceProps::kDisallowDither_Flag; |
32 } | 32 } |
33 if (gammaCorrect) { | |
34 flags |= SkSurfaceProps::kGammaCorrect_Flag; | |
35 } | |
36 | 33 |
37 SkSurfaceProps props(flags, geo); | 34 SkSurfaceProps props(flags, geo); |
38 if (ctx) { | 35 if (ctx) { |
39 return SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info, 0, &props
); | 36 return SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info, 0, &props
); |
40 } else { | 37 } else { |
41 return SkSurface::MakeRaster(info, &props); | 38 return SkSurface::MakeRaster(info, &props); |
42 } | 39 } |
43 } | 40 } |
44 | 41 |
45 static void test_draw(SkCanvas* canvas, const char label[]) { | 42 static void test_draw(SkCanvas* canvas, const char label[]) { |
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72 SkISize onISize() override { | 69 SkISize onISize() override { |
73 return SkISize::Make(W * 4, H * 5); | 70 return SkISize::Make(W * 4, H * 5); |
74 } | 71 } |
75 | 72 |
76 void onDraw(SkCanvas* canvas) override { | 73 void onDraw(SkCanvas* canvas) override { |
77 GrContext* ctx = canvas->getGrContext(); | 74 GrContext* ctx = canvas->getGrContext(); |
78 | 75 |
79 // must be opaque to have a hope of testing LCD text | 76 // must be opaque to have a hope of testing LCD text |
80 const SkImageInfo info = SkImageInfo::MakeN32(W, H, kOpaque_SkAlphaType, | 77 const SkImageInfo info = SkImageInfo::MakeN32(W, H, kOpaque_SkAlphaType, |
81 sk_ref_sp(canvas->imageInf
o().colorSpace())); | 78 sk_ref_sp(canvas->imageInf
o().colorSpace())); |
82 SkSurfaceProps canvasProps(SkSurfaceProps::kLegacyFontHost_InitType); | |
83 bool gammaCorrect = canvas->getProps(&canvasProps) && canvasProps.isGamm
aCorrect(); | |
84 | 79 |
85 const struct { | 80 const struct { |
86 SkPixelGeometry fGeo; | 81 SkPixelGeometry fGeo; |
87 const char* fLabel; | 82 const char* fLabel; |
88 } recs[] = { | 83 } recs[] = { |
89 { kUnknown_SkPixelGeometry, "Unknown" }, | 84 { kUnknown_SkPixelGeometry, "Unknown" }, |
90 { kRGB_H_SkPixelGeometry, "RGB_H" }, | 85 { kRGB_H_SkPixelGeometry, "RGB_H" }, |
91 { kBGR_H_SkPixelGeometry, "BGR_H" }, | 86 { kBGR_H_SkPixelGeometry, "BGR_H" }, |
92 { kRGB_V_SkPixelGeometry, "RGB_V" }, | 87 { kRGB_V_SkPixelGeometry, "RGB_V" }, |
93 { kBGR_V_SkPixelGeometry, "BGR_V" }, | 88 { kBGR_V_SkPixelGeometry, "BGR_V" }, |
94 }; | 89 }; |
95 | 90 |
96 SkScalar x = 0; | 91 SkScalar x = 0; |
97 for (int disallowAA = 0; disallowAA <= 1; ++disallowAA) { | 92 for (int disallowAA = 0; disallowAA <= 1; ++disallowAA) { |
98 for (int disallowDither = 0; disallowDither <= 1; ++disallowDither)
{ | 93 for (int disallowDither = 0; disallowDither <= 1; ++disallowDither)
{ |
99 SkScalar y = 0; | 94 SkScalar y = 0; |
100 for (const auto& rec : recs) { | 95 for (const auto& rec : recs) { |
101 auto surface(make_surface(ctx, info, rec.fGeo, disallowAA, d
isallowDither, | 96 auto surface(make_surface(ctx, info, rec.fGeo, disallowAA, d
isallowDither)); |
102 gammaCorrect)); | |
103 if (!surface) { | 97 if (!surface) { |
104 SkDebugf("failed to create surface! label: %s AA: %s dit
her: %s\n", | 98 SkDebugf("failed to create surface! label: %s AA: %s dit
her: %s\n", |
105 rec.fLabel, (disallowAA == 1 ? "disallowed" : "
allowed"), | 99 rec.fLabel, (disallowAA == 1 ? "disallowed" : "
allowed"), |
106 (disallowDither == 1 ? "disallowed" : "allowed"
)); | 100 (disallowDither == 1 ? "disallowed" : "allowed"
)); |
107 continue; | 101 continue; |
108 } | 102 } |
109 test_draw(surface->getCanvas(), rec.fLabel); | 103 test_draw(surface->getCanvas(), rec.fLabel); |
110 surface->draw(canvas, x, y, nullptr); | 104 surface->draw(canvas, x, y, nullptr); |
111 y += H; | 105 y += H; |
112 } | 106 } |
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162 SkASSERT(equal(surf->props(), surf2->props())); | 156 SkASSERT(equal(surf->props(), surf2->props())); |
163 | 157 |
164 sk_sp<SkImage> image2(surf2->makeImageSnapshot()); | 158 sk_sp<SkImage> image2(surf2->makeImageSnapshot()); |
165 canvas->drawImage(image2.get(), 10 + SkIntToScalar(image->width()) + 10,
10, nullptr); | 159 canvas->drawImage(image2.get(), 10 + SkIntToScalar(image->width()) + 10,
10, nullptr); |
166 } | 160 } |
167 | 161 |
168 private: | 162 private: |
169 typedef GM INHERITED; | 163 typedef GM INHERITED; |
170 }; | 164 }; |
171 DEF_GM( return new NewSurfaceGM ) | 165 DEF_GM( return new NewSurfaceGM ) |
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