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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 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 "Resources.h" | 8 #include "Resources.h" |
9 #include "SkCodec.h" | 9 #include "SkCodec.h" |
10 #include "SkCodecPriv.h" | |
11 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
12 #include "SkColorSpace.h" | 11 #include "SkColorSpace.h" |
13 #include "SkColorSpace_Base.h" | 12 #include "SkColorSpace_Base.h" |
14 #include "SkColorSpaceXform.h" | 13 #include "SkColorSpaceXform.h" |
15 #include "Test.h" | 14 #include "Test.h" |
16 | 15 |
17 class ColorSpaceXformTest { | 16 class ColorSpaceXformTest { |
18 public: | 17 public: |
19 static std::unique_ptr<SkColorSpaceXform> CreateIdentityXform(const sk_sp<Sk
Gammas>& gammas) { | 18 static std::unique_ptr<SkColorSpaceXform> CreateIdentityXform(const sk_sp<Sk
Gammas>& gammas) { |
20 // Logically we can pass any matrix here. For simplicty, pass I(), i.e.
D50 XYZ gamut. | 19 // Logically we can pass any matrix here. For simplicty, pass I(), i.e.
D50 XYZ gamut. |
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33 static void test_identity_xform(skiatest::Reporter* r, const sk_sp<SkGammas>& ga
mmas) { | 32 static void test_identity_xform(skiatest::Reporter* r, const sk_sp<SkGammas>& ga
mmas) { |
34 // Arbitrary set of 10 pixels | 33 // Arbitrary set of 10 pixels |
35 constexpr int width = 10; | 34 constexpr int width = 10; |
36 constexpr uint32_t srcPixels[width] = { | 35 constexpr uint32_t srcPixels[width] = { |
37 0xFFABCDEF, 0xFF146829, 0xFF382759, 0xFF184968, 0xFFDE8271, | 36 0xFFABCDEF, 0xFF146829, 0xFF382759, 0xFF184968, 0xFFDE8271, |
38 0xFF32AB52, 0xFF0383BC, 0xFF000102, 0xFFFFFFFF, 0xFFDDEEFF, }; | 37 0xFF32AB52, 0xFF0383BC, 0xFF000102, 0xFFFFFFFF, 0xFFDDEEFF, }; |
39 uint32_t dstPixels[width]; | 38 uint32_t dstPixels[width]; |
40 | 39 |
41 // Create and perform an identity xform. | 40 // Create and perform an identity xform. |
42 std::unique_ptr<SkColorSpaceXform> xform = ColorSpaceXformTest::CreateIdenti
tyXform(gammas); | 41 std::unique_ptr<SkColorSpaceXform> xform = ColorSpaceXformTest::CreateIdenti
tyXform(gammas); |
43 xform->apply(dstPixels, srcPixels, width, select_xform_format(kN32_SkColorTy
pe), | 42 xform->apply(dstPixels, srcPixels, width, kN32_SkColorType, kOpaque_SkAlphaT
ype); |
44 kOpaque_SkAlphaType); | |
45 | 43 |
46 // Since the src->dst matrix is the identity, and the gamma curves match, | 44 // Since the src->dst matrix is the identity, and the gamma curves match, |
47 // the pixels should be unchanged. | 45 // the pixels should be unchanged. |
48 for (int i = 0; i < width; i++) { | 46 for (int i = 0; i < width; i++) { |
49 REPORTER_ASSERT(r, almost_equal(((srcPixels[i] >> 0) & 0xFF), | 47 REPORTER_ASSERT(r, almost_equal(((srcPixels[i] >> 0) & 0xFF), |
50 SkGetPackedR32(dstPixels[i]))); | 48 SkGetPackedR32(dstPixels[i]))); |
51 REPORTER_ASSERT(r, almost_equal(((srcPixels[i] >> 8) & 0xFF), | 49 REPORTER_ASSERT(r, almost_equal(((srcPixels[i] >> 8) & 0xFF), |
52 SkGetPackedG32(dstPixels[i]))); | 50 SkGetPackedG32(dstPixels[i]))); |
53 REPORTER_ASSERT(r, almost_equal(((srcPixels[i] >> 16) & 0xFF), | 51 REPORTER_ASSERT(r, almost_equal(((srcPixels[i] >> 16) & 0xFF), |
54 SkGetPackedB32(dstPixels[i]))); | 52 SkGetPackedB32(dstPixels[i]))); |
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157 | 155 |
158 gammas->fGreenType = SkGammas::Type::kTable_Type; | 156 gammas->fGreenType = SkGammas::Type::kTable_Type; |
159 gammas->fGreenData.fTable.fSize = tableSize; | 157 gammas->fGreenData.fTable.fSize = tableSize; |
160 gammas->fGreenData.fTable.fOffset = 0; | 158 gammas->fGreenData.fTable.fOffset = 0; |
161 | 159 |
162 gammas->fBlueType = SkGammas::Type::kParam_Type; | 160 gammas->fBlueType = SkGammas::Type::kParam_Type; |
163 gammas->fBlueData.fParamOffset = sizeof(float) * tableSize; | 161 gammas->fBlueData.fParamOffset = sizeof(float) * tableSize; |
164 | 162 |
165 test_identity_xform(r, gammas); | 163 test_identity_xform(r, gammas); |
166 } | 164 } |
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