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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 "Sk4fLinearGradient.h" | 8 #include "Sk4fLinearGradient.h" |
9 #include "SkLinearGradient.h" | 9 #include "SkLinearGradient.h" |
10 | 10 |
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44 matrix.setSinCos(-vec.fY, vec.fX, pts[0].fX, pts[0].fY); | 44 matrix.setSinCos(-vec.fY, vec.fX, pts[0].fX, pts[0].fY); |
45 matrix.postTranslate(-pts[0].fX, -pts[0].fY); | 45 matrix.postTranslate(-pts[0].fX, -pts[0].fY); |
46 matrix.postScale(inv, inv); | 46 matrix.postScale(inv, inv); |
47 return matrix; | 47 return matrix; |
48 } | 48 } |
49 | 49 |
50 static bool use_4f_context(const SkShader::ContextRec& rec, uint32_t flags) { | 50 static bool use_4f_context(const SkShader::ContextRec& rec, uint32_t flags) { |
51 #ifdef FORCE_4F_CONTEXT | 51 #ifdef FORCE_4F_CONTEXT |
52 return true; | 52 return true; |
53 #else | 53 #else |
54 // Perspective not supported in 4f yet. | |
55 if (rec.fMatrix->hasPerspective() | |
56 || (rec.fLocalMatrix && rec.fLocalMatrix->hasPerspective())) { | |
57 return false; | |
58 } | |
59 | |
60 return rec.fPreferredDstType == SkShader::ContextRec::kPM4f_DstType | 54 return rec.fPreferredDstType == SkShader::ContextRec::kPM4f_DstType |
61 || SkToBool(flags & SkLinearGradient::kForce4fContext_PrivateFlag); | 55 || SkToBool(flags & SkLinearGradient::kForce4fContext_PrivateFlag); |
62 #endif | 56 #endif |
63 } | 57 } |
64 | 58 |
65 /////////////////////////////////////////////////////////////////////////////// | 59 /////////////////////////////////////////////////////////////////////////////// |
66 | 60 |
67 SkLinearGradient::SkLinearGradient(const SkPoint pts[2], const Descriptor& desc) | 61 SkLinearGradient::SkLinearGradient(const SkPoint pts[2], const Descriptor& desc) |
68 : SkGradientShaderBase(desc, pts_to_unit_matrix(pts)) | 62 : SkGradientShaderBase(desc, pts_to_unit_matrix(pts)) |
69 , fStart(pts[0]) | 63 , fStart(pts[0]) |
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760 this->shade4_dx_clamp<false, true>(dstC, count, fx, dx, invDx, dithe
r); | 754 this->shade4_dx_clamp<false, true>(dstC, count, fx, dx, invDx, dithe
r); |
761 } | 755 } |
762 } else { | 756 } else { |
763 if (fApplyAlphaAfterInterp) { | 757 if (fApplyAlphaAfterInterp) { |
764 this->shade4_dx_clamp<true, false>(dstC, count, fx, dx, invDx, dithe
r); | 758 this->shade4_dx_clamp<true, false>(dstC, count, fx, dx, invDx, dithe
r); |
765 } else { | 759 } else { |
766 this->shade4_dx_clamp<false, false>(dstC, count, fx, dx, invDx, dith
er); | 760 this->shade4_dx_clamp<false, false>(dstC, count, fx, dx, invDx, dith
er); |
767 } | 761 } |
768 } | 762 } |
769 } | 763 } |
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