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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 "GrColorSpaceXform.h" | 8 #include "GrColorSpaceXform.h" |
9 #include "SkColorSpace.h" | 9 #include "SkColorSpace.h" |
10 #include "SkColorSpace_Base.h" | 10 #include "SkColorSpace_Base.h" |
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30 sk_float_almost_equals(m.getFloat(2, 2), 1.0f, tol) && | 30 sk_float_almost_equals(m.getFloat(2, 2), 1.0f, tol) && |
31 sk_float_almost_equals(m.getFloat(2, 3), 0.0f, tol) && | 31 sk_float_almost_equals(m.getFloat(2, 3), 0.0f, tol) && |
32 sk_float_almost_equals(m.getFloat(3, 0), 0.0f, tol) && | 32 sk_float_almost_equals(m.getFloat(3, 0), 0.0f, tol) && |
33 sk_float_almost_equals(m.getFloat(3, 1), 0.0f, tol) && | 33 sk_float_almost_equals(m.getFloat(3, 1), 0.0f, tol) && |
34 sk_float_almost_equals(m.getFloat(3, 2), 0.0f, tol) && | 34 sk_float_almost_equals(m.getFloat(3, 2), 0.0f, tol) && |
35 sk_float_almost_equals(m.getFloat(3, 3), 1.0f, tol); | 35 sk_float_almost_equals(m.getFloat(3, 3), 1.0f, tol); |
36 } | 36 } |
37 | 37 |
38 GrColorSpaceXform::GrColorSpaceXform(const SkMatrix44& srcToDst, SkAlphaType src
AlphaType) | 38 GrColorSpaceXform::GrColorSpaceXform(const SkMatrix44& srcToDst, SkAlphaType src
AlphaType) |
39 : fSrcAlphaType(srcAlphaType) { | 39 : fSrcAlphaType(srcAlphaType) { |
40 // TODO: Fix this, and store things as column major! | 40 srcToDst.asColMajorf(fSrcToDst); |
41 srcToDst.asRowMajorf(fSrcToDst); | |
42 } | 41 } |
43 | 42 |
44 sk_sp<GrColorSpaceXform> GrColorSpaceXform::Make(SkColorSpace* src, SkColorSpace
* dst, | 43 sk_sp<GrColorSpaceXform> GrColorSpaceXform::Make(SkColorSpace* src, SkColorSpace
* dst, |
45 SkAlphaType srcAlphaType) { | 44 SkAlphaType srcAlphaType) { |
46 if (!src || !dst) { | 45 if (!src || !dst) { |
47 // Invalid | 46 // Invalid |
48 return nullptr; | 47 return nullptr; |
49 } | 48 } |
50 | 49 |
51 if (src == dst) { | 50 if (src == dst) { |
52 // Quick equality check - no conversion needed in this case | 51 // Quick equality check - no conversion needed in this case |
53 return nullptr; | 52 return nullptr; |
54 } | 53 } |
55 | 54 |
56 SkMatrix44 srcToDst(SkMatrix44::kUninitialized_Constructor); | 55 SkMatrix44 srcToDst(SkMatrix44::kUninitialized_Constructor); |
57 srcToDst.setConcat(as_CSB(dst)->fromXYZD50(), src->toXYZD50()); | 56 srcToDst.setConcat(as_CSB(dst)->fromXYZD50(), src->toXYZD50()); |
58 | 57 |
59 if (matrix_is_almost_identity(srcToDst)) { | 58 if (matrix_is_almost_identity(srcToDst)) { |
60 return nullptr; | 59 return nullptr; |
61 } | 60 } |
62 | 61 |
63 return sk_make_sp<GrColorSpaceXform>(srcToDst, srcAlphaType); | 62 return sk_make_sp<GrColorSpaceXform>(srcToDst, srcAlphaType); |
64 } | 63 } |
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