tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 1 | // Copyright 2016 PDFium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | |
dsinclair | 41872fa | 2016-10-04 11:29:35 -0700 | [diff] [blame] | 7 | #include "core/fpdfapi/page/cpdf_colorstate.h" |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 8 | |
dsinclair | 41872fa | 2016-10-04 11:29:35 -0700 | [diff] [blame] | 9 | #include "core/fpdfapi/page/cpdf_pattern.h" |
| 10 | #include "core/fpdfapi/page/cpdf_tilingpattern.h" |
dsinclair | 74a34fc | 2016-09-29 16:41:42 -0700 | [diff] [blame] | 11 | #include "core/fxge/fx_dib.h" |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 12 | |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 13 | CPDF_ColorState::CPDF_ColorState() {} |
| 14 | |
| 15 | CPDF_ColorState::CPDF_ColorState(const CPDF_ColorState& that) |
| 16 | : m_Ref(that.m_Ref) {} |
| 17 | |
| 18 | CPDF_ColorState::~CPDF_ColorState() {} |
| 19 | |
| 20 | void CPDF_ColorState::Emplace() { |
| 21 | m_Ref.Emplace(); |
| 22 | } |
| 23 | |
| 24 | void CPDF_ColorState::SetDefault() { |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 25 | m_Ref.GetPrivateCopy()->SetDefault(); |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 26 | } |
| 27 | |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 28 | FX_COLORREF CPDF_ColorState::GetFillColorRef() const { |
| 29 | return m_Ref.GetObject()->m_FillColorRef; |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 30 | } |
| 31 | |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 32 | void CPDF_ColorState::SetFillColorRef(FX_COLORREF colorref) { |
| 33 | m_Ref.GetPrivateCopy()->m_FillColorRef = colorref; |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 34 | } |
| 35 | |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 36 | FX_COLORREF CPDF_ColorState::GetStrokeColorRef() const { |
| 37 | return m_Ref.GetObject()->m_StrokeColorRef; |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 38 | } |
| 39 | |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 40 | void CPDF_ColorState::SetStrokeColorRef(FX_COLORREF colorref) { |
| 41 | m_Ref.GetPrivateCopy()->m_StrokeColorRef = colorref; |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | const CPDF_Color* CPDF_ColorState::GetFillColor() const { |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 45 | const ColorData* pData = m_Ref.GetObject(); |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 46 | return pData ? &pData->m_FillColor : nullptr; |
| 47 | } |
| 48 | |
| 49 | CPDF_Color* CPDF_ColorState::GetMutableFillColor() { |
| 50 | return &m_Ref.GetPrivateCopy()->m_FillColor; |
| 51 | } |
| 52 | |
| 53 | bool CPDF_ColorState::HasFillColor() const { |
| 54 | const CPDF_Color* pColor = GetFillColor(); |
| 55 | return pColor && !pColor->IsNull(); |
| 56 | } |
| 57 | |
| 58 | const CPDF_Color* CPDF_ColorState::GetStrokeColor() const { |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 59 | const ColorData* pData = m_Ref.GetObject(); |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 60 | return pData ? &pData->m_StrokeColor : nullptr; |
| 61 | } |
| 62 | |
| 63 | CPDF_Color* CPDF_ColorState::GetMutableStrokeColor() { |
| 64 | return &m_Ref.GetPrivateCopy()->m_StrokeColor; |
| 65 | } |
| 66 | |
| 67 | bool CPDF_ColorState::HasStrokeColor() const { |
| 68 | const CPDF_Color* pColor = GetStrokeColor(); |
| 69 | return pColor && !pColor->IsNull(); |
| 70 | } |
| 71 | |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 72 | void CPDF_ColorState::SetFillColor(CPDF_ColorSpace* pCS, |
Dan Sinclair | 05df075 | 2017-03-14 14:43:42 -0400 | [diff] [blame] | 73 | float* pValue, |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 74 | uint32_t nValues) { |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 75 | ColorData* pData = m_Ref.GetPrivateCopy(); |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 76 | SetColor(pData->m_FillColor, &pData->m_FillColorRef, pCS, pValue, nValues); |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | void CPDF_ColorState::SetStrokeColor(CPDF_ColorSpace* pCS, |
Dan Sinclair | 05df075 | 2017-03-14 14:43:42 -0400 | [diff] [blame] | 80 | float* pValue, |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 81 | uint32_t nValues) { |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 82 | ColorData* pData = m_Ref.GetPrivateCopy(); |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 83 | SetColor(pData->m_StrokeColor, &pData->m_StrokeColorRef, pCS, pValue, |
| 84 | nValues); |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 85 | } |
| 86 | |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 87 | void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern, |
Dan Sinclair | 05df075 | 2017-03-14 14:43:42 -0400 | [diff] [blame] | 88 | float* pValue, |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 89 | uint32_t nValues) { |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 90 | ColorData* pData = m_Ref.GetPrivateCopy(); |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 91 | pData->m_FillColor.SetValue(pPattern, pValue, nValues); |
Lei Zhang | a12159b | 2017-03-15 13:26:37 -0700 | [diff] [blame] | 92 | int R; |
| 93 | int G; |
| 94 | int B; |
| 95 | bool ret = pData->m_FillColor.GetRGB(&R, &G, &B); |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 96 | if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) { |
| 97 | if (!ret && pTilingPattern->colored()) { |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 98 | pData->m_FillColorRef = 0x00BFBFBF; |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 99 | return; |
| 100 | } |
| 101 | } |
Lei Zhang | 4f7479a | 2018-03-21 13:37:06 +0000 | [diff] [blame^] | 102 | pData->m_FillColorRef = ret ? FXSYS_BGR(B, G, R) : 0xFFFFFFFF; |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | void CPDF_ColorState::SetStrokePattern(CPDF_Pattern* pPattern, |
Dan Sinclair | 05df075 | 2017-03-14 14:43:42 -0400 | [diff] [blame] | 106 | float* pValue, |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 107 | uint32_t nValues) { |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 108 | ColorData* pData = m_Ref.GetPrivateCopy(); |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 109 | pData->m_StrokeColor.SetValue(pPattern, pValue, nValues); |
Lei Zhang | a12159b | 2017-03-15 13:26:37 -0700 | [diff] [blame] | 110 | int R; |
| 111 | int G; |
| 112 | int B; |
| 113 | bool ret = pData->m_StrokeColor.GetRGB(&R, &G, &B); |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 114 | if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) { |
| 115 | if (!ret && pTilingPattern->colored()) { |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 116 | pData->m_StrokeColorRef = 0x00BFBFBF; |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 117 | return; |
| 118 | } |
| 119 | } |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 120 | pData->m_StrokeColorRef = |
Lei Zhang | 4f7479a | 2018-03-21 13:37:06 +0000 | [diff] [blame^] | 121 | pData->m_StrokeColor.GetRGB(&R, &G, &B) ? FXSYS_BGR(B, G, R) : 0xFFFFFFFF; |
tsepez | adbd329 | 2016-08-29 14:07:28 -0700 | [diff] [blame] | 122 | } |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 123 | |
| 124 | void CPDF_ColorState::SetColor(CPDF_Color& color, |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 125 | FX_COLORREF* colorref, |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 126 | CPDF_ColorSpace* pCS, |
Dan Sinclair | 05df075 | 2017-03-14 14:43:42 -0400 | [diff] [blame] | 127 | float* pValue, |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 128 | uint32_t nValues) { |
| 129 | if (pCS) |
| 130 | color.SetColorSpace(pCS); |
| 131 | else if (color.IsNull()) |
| 132 | color.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY)); |
| 133 | |
| 134 | if (color.GetColorSpace()->CountComponents() > nValues) |
| 135 | return; |
| 136 | |
| 137 | color.SetValue(pValue); |
| 138 | int R; |
| 139 | int G; |
| 140 | int B; |
Lei Zhang | 4f7479a | 2018-03-21 13:37:06 +0000 | [diff] [blame^] | 141 | *colorref = color.GetRGB(&R, &G, &B) ? FXSYS_BGR(B, G, R) : 0xFFFFFFFF; |
tsepez | ca90b87 | 2016-08-31 10:41:00 -0700 | [diff] [blame] | 142 | } |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 143 | |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 144 | CPDF_ColorState::ColorData::ColorData() |
| 145 | : m_FillColorRef(0), m_StrokeColorRef(0) {} |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 146 | |
| 147 | CPDF_ColorState::ColorData::ColorData(const ColorData& src) |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 148 | : m_FillColorRef(src.m_FillColorRef), |
| 149 | m_StrokeColorRef(src.m_StrokeColorRef) { |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 150 | m_FillColor.Copy(&src.m_FillColor); |
| 151 | m_StrokeColor.Copy(&src.m_StrokeColor); |
| 152 | } |
| 153 | |
| 154 | CPDF_ColorState::ColorData::~ColorData() {} |
| 155 | |
| 156 | void CPDF_ColorState::ColorData::SetDefault() { |
Lei Zhang | 40d37b1 | 2018-03-20 21:06:35 +0000 | [diff] [blame] | 157 | m_FillColorRef = 0; |
| 158 | m_StrokeColorRef = 0; |
tsepez | f40c6f1 | 2016-09-06 11:45:32 -0700 | [diff] [blame] | 159 | m_FillColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY)); |
| 160 | m_StrokeColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY)); |
| 161 | } |