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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #include "core/fxcodec/codec/codec_int.h" | 7 #include "core/fxcodec/codec/codec_int.h" |
| 8 #include "core/fxcodec/include/fx_codec.h" | 8 #include "core/fxcodec/fx_codec.h" |
| 9 #include "third_party/lcms2-2.6/include/lcms2.h" | 9 #include "third_party/lcms2-2.6/include/lcms2.h" |
| 10 | 10 |
| 11 const uint32_t N_COMPONENT_LAB = 3; | 11 const uint32_t N_COMPONENT_LAB = 3; |
| 12 const uint32_t N_COMPONENT_GRAY = 1; | 12 const uint32_t N_COMPONENT_GRAY = 1; |
| 13 const uint32_t N_COMPONENT_RGB = 3; | 13 const uint32_t N_COMPONENT_RGB = 3; |
| 14 const uint32_t N_COMPONENT_CMYK = 4; | 14 const uint32_t N_COMPONENT_CMYK = 4; |
| 15 const uint32_t N_COMPONENT_DEFAULT = 3; | 15 const uint32_t N_COMPONENT_DEFAULT = 3; |
| 16 | 16 |
| 17 struct CLcmsCmm { | 17 struct CLcmsCmm { |
| 18 cmsHTRANSFORM m_hTransform; | 18 cmsHTRANSFORM m_hTransform; |
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| 1681 ASSERT(k1 == FXSYS_round(k * 255)); | 1681 ASSERT(k1 == FXSYS_round(k * 255)); |
| 1682 | 1682 |
| 1683 uint8_t r, g, b; | 1683 uint8_t r, g, b; |
| 1684 AdobeCMYK_to_sRGB1(c1, m1, y1, k1, r, g, b); | 1684 AdobeCMYK_to_sRGB1(c1, m1, y1, k1, r, g, b); |
| 1685 // Multiply by a constant rather than dividing because division is much | 1685 // Multiply by a constant rather than dividing because division is much |
| 1686 // more expensive. | 1686 // more expensive. |
| 1687 R = r * (1.0f / 255); | 1687 R = r * (1.0f / 255); |
| 1688 G = g * (1.0f / 255); | 1688 G = g * (1.0f / 255); |
| 1689 B = b * (1.0f / 255); | 1689 B = b * (1.0f / 255); |
| 1690 } | 1690 } |
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