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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 "../../../include/fpdfapi/fpdf_module.h" | 7 #include "../../../include/fpdfapi/fpdf_module.h" |
8 #include "../../../include/fpdfapi/fpdf_pageobj.h" | 8 #include "../../../include/fpdfapi/fpdf_pageobj.h" |
9 #include "../../../include/fpdfapi/fpdf_render.h" | 9 #include "../../../include/fpdfapi/fpdf_render.h" |
10 #include "../../../include/fxcodec/fx_codec.h" | 10 #include "../../../include/fxcodec/fx_codec.h" |
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33 if (!pDIBitmap->IsAlphaMask()) { | 33 if (!pDIBitmap->IsAlphaMask()) { |
34 if (bitmap_alpha < 255) { | 34 if (bitmap_alpha < 255) { |
35 pDIBitmap->MultiplyAlpha(bitmap_alpha); | 35 pDIBitmap->MultiplyAlpha(bitmap_alpha); |
36 } | 36 } |
37 if (m_pDevice->SetDIBits(pDIBitmap, left, top)) { | 37 if (m_pDevice->SetDIBits(pDIBitmap, left, top)) { |
38 return; | 38 return; |
39 } | 39 } |
40 } else { | 40 } else { |
41 FX_DWORD fill_argb = m_Options.TranslateColor(mask_argb); | 41 FX_DWORD fill_argb = m_Options.TranslateColor(mask_argb); |
42 if (bitmap_alpha < 255) { | 42 if (bitmap_alpha < 255) { |
43 ((FX_BYTE*)&fill_argb)[3] = ((FX_BYTE*)&fill_argb)[3] * bitmap_a
lpha / 255; | 43 ((uint8_t*)&fill_argb)[3] = ((uint8_t*)&fill_argb)[3] * bitmap_a
lpha / 255; |
44 } | 44 } |
45 if (m_pDevice->SetBitMask(pDIBitmap, left, top, fill_argb)) { | 45 if (m_pDevice->SetBitMask(pDIBitmap, left, top, fill_argb)) { |
46 return; | 46 return; |
47 } | 47 } |
48 } | 48 } |
49 } | 49 } |
50 FX_BOOL bBackAlphaRequired = blend_mode && bIsolated && !m_bDropObjects; | 50 FX_BOOL bBackAlphaRequired = blend_mode && bIsolated && !m_bDropObjects; |
51 FX_BOOL bGetBackGround = ((m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT))
|| | 51 FX_BOOL bGetBackGround = ((m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT))
|| |
52 (!(m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT)
&& (m_pDevice->GetRenderCaps() | 52 (!(m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT)
&& (m_pDevice->GetRenderCaps() |
53 & FXRC_GET_BITS) && !bBackAlphaRequired); | 53 & FXRC_GET_BITS) && !bBackAlphaRequired); |
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1003 if (pBC) { | 1003 if (pBC) { |
1004 CPDF_Dictionary* pDict = pGroup->GetDict(); | 1004 CPDF_Dictionary* pDict = pGroup->GetDict(); |
1005 if (pDict && pDict->GetDict(FX_BSTRC("Group"))) | 1005 if (pDict && pDict->GetDict(FX_BSTRC("Group"))) |
1006 pCSObj = pDict->GetDict(FX_BSTRC("Group"))->GetElementValue(FX_B
STRC("CS")); | 1006 pCSObj = pDict->GetDict(FX_BSTRC("Group"))->GetElementValue(FX_B
STRC("CS")); |
1007 else | 1007 else |
1008 pCSObj = NULL; | 1008 pCSObj = NULL; |
1009 pCS = m_pContext->m_pDocument->LoadColorSpace(pCSObj); | 1009 pCS = m_pContext->m_pDocument->LoadColorSpace(pCSObj); |
1010 if (pCS) { | 1010 if (pCS) { |
1011 FX_FLOAT R, G, B; | 1011 FX_FLOAT R, G, B; |
1012 FX_DWORD comps = 8; | 1012 FX_DWORD comps = 8; |
1013 if (pCS->CountComponents() > static_cast<FX_INT32>(comps)) { | 1013 if (pCS->CountComponents() > static_cast<int32_t>(comps)) { |
1014 comps = (FX_DWORD)pCS->CountComponents(); | 1014 comps = (FX_DWORD)pCS->CountComponents(); |
1015 } | 1015 } |
1016 CFX_FixedBufGrow<FX_FLOAT, 8> float_array(comps); | 1016 CFX_FixedBufGrow<FX_FLOAT, 8> float_array(comps); |
1017 FX_FLOAT* pFloats = float_array; | 1017 FX_FLOAT* pFloats = float_array; |
1018 FX_SAFE_DWORD num_floats = comps; | 1018 FX_SAFE_DWORD num_floats = comps; |
1019 num_floats *= sizeof(FX_FLOAT); | 1019 num_floats *= sizeof(FX_FLOAT); |
1020 if (!num_floats.IsValid()) { | 1020 if (!num_floats.IsValid()) { |
1021 return NULL; | 1021 return NULL; |
1022 } | 1022 } |
1023 FXSYS_memset32(pFloats, 0, num_floats.ValueOrDie()); | 1023 FXSYS_memset32(pFloats, 0, num_floats.ValueOrDie()); |
1024 int count = pBC->GetCount() > 8 ? 8 : pBC->GetCount(); | 1024 int count = pBC->GetCount() > 8 ? 8 : pBC->GetCount(); |
1025 for (int i = 0; i < count; i ++) { | 1025 for (int i = 0; i < count; i ++) { |
1026 pFloats[i] = pBC->GetNumber(i); | 1026 pFloats[i] = pBC->GetNumber(i); |
1027 } | 1027 } |
1028 pCS->GetRGB(pFloats, R, G, B); | 1028 pCS->GetRGB(pFloats, R, G, B); |
1029 back_color = 0xff000000 | ((FX_INT32)(R * 255) << 16) | ((FX_INT
32)(G * 255) << 8) | (FX_INT32)(B * 255); | 1029 back_color = 0xff000000 | ((int32_t)(R * 255) << 16) | ((int32_t
)(G * 255) << 8) | (int32_t)(B * 255); |
1030 m_pContext->m_pDocument->GetPageData()->ReleaseColorSpace(pCSObj
); | 1030 m_pContext->m_pDocument->GetPageData()->ReleaseColorSpace(pCSObj
); |
1031 } | 1031 } |
1032 } | 1032 } |
1033 bitmap.Clear(back_color); | 1033 bitmap.Clear(back_color); |
1034 } else { | 1034 } else { |
1035 bitmap.Clear(0); | 1035 bitmap.Clear(0); |
1036 } | 1036 } |
1037 CPDF_Dictionary* pFormResource = NULL; | 1037 CPDF_Dictionary* pFormResource = NULL; |
1038 if (form.m_pFormDict) { | 1038 if (form.m_pFormDict) { |
1039 pFormResource = form.m_pFormDict->GetDict(FX_BSTRC("Resources")); | 1039 pFormResource = form.m_pFormDict->GetDict(FX_BSTRC("Resources")); |
1040 } | 1040 } |
1041 CPDF_RenderOptions options; | 1041 CPDF_RenderOptions options; |
1042 options.m_ColorMode = bLuminosity ? RENDER_COLOR_NORMAL : RENDER_COLOR_ALPHA
; | 1042 options.m_ColorMode = bLuminosity ? RENDER_COLOR_NORMAL : RENDER_COLOR_ALPHA
; |
1043 CPDF_RenderStatus status; | 1043 CPDF_RenderStatus status; |
1044 status.Initialize(m_pContext, &bitmap_device, NULL, NULL, NULL, NULL, | 1044 status.Initialize(m_pContext, &bitmap_device, NULL, NULL, NULL, NULL, |
1045 &options, 0, m_bDropObjects, pFormResource, TRUE, NULL, 0,
pCS ? pCS->GetFamily() : 0, bLuminosity); | 1045 &options, 0, m_bDropObjects, pFormResource, TRUE, NULL, 0,
pCS ? pCS->GetFamily() : 0, bLuminosity); |
1046 status.RenderObjectList(&form, &matrix); | 1046 status.RenderObjectList(&form, &matrix); |
1047 pMask = new CFX_DIBitmap; | 1047 pMask = new CFX_DIBitmap; |
1048 if (!pMask->Create(width, height, FXDIB_8bppMask)) { | 1048 if (!pMask->Create(width, height, FXDIB_8bppMask)) { |
1049 delete pMask; | 1049 delete pMask; |
1050 return NULL; | 1050 return NULL; |
1051 } | 1051 } |
1052 FX_LPBYTE dest_buf = pMask->GetBuffer(); | 1052 FX_LPBYTE dest_buf = pMask->GetBuffer(); |
1053 int dest_pitch = pMask->GetPitch(); | 1053 int dest_pitch = pMask->GetPitch(); |
1054 FX_LPBYTE src_buf = bitmap.GetBuffer(); | 1054 FX_LPBYTE src_buf = bitmap.GetBuffer(); |
1055 int src_pitch = bitmap.GetPitch(); | 1055 int src_pitch = bitmap.GetPitch(); |
1056 FX_LPBYTE pTransfer = FX_Alloc(FX_BYTE, 256); | 1056 FX_LPBYTE pTransfer = FX_Alloc(uint8_t, 256); |
1057 if (pFunc) { | 1057 if (pFunc) { |
1058 CFX_FixedBufGrow<FX_FLOAT, 16> results(pFunc->CountOutputs()); | 1058 CFX_FixedBufGrow<FX_FLOAT, 16> results(pFunc->CountOutputs()); |
1059 for (int i = 0; i < 256; i ++) { | 1059 for (int i = 0; i < 256; i ++) { |
1060 FX_FLOAT input = (FX_FLOAT)i / 255.0f; | 1060 FX_FLOAT input = (FX_FLOAT)i / 255.0f; |
1061 int nresult; | 1061 int nresult; |
1062 pFunc->Call(&input, 1, results, nresult); | 1062 pFunc->Call(&input, 1, results, nresult); |
1063 pTransfer[i] = FXSYS_round(results[0] * 255); | 1063 pTransfer[i] = FXSYS_round(results[0] * 255); |
1064 } | 1064 } |
1065 } else { | 1065 } else { |
1066 for (int i = 0; i < 256; i ++) { | 1066 for (int i = 0; i < 256; i ++) { |
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1084 } | 1084 } |
1085 } else { | 1085 } else { |
1086 FXSYS_memcpy32(dest_buf, src_buf, dest_pitch * height); | 1086 FXSYS_memcpy32(dest_buf, src_buf, dest_pitch * height); |
1087 } | 1087 } |
1088 if (pFunc) { | 1088 if (pFunc) { |
1089 delete pFunc; | 1089 delete pFunc; |
1090 } | 1090 } |
1091 FX_Free(pTransfer); | 1091 FX_Free(pTransfer); |
1092 return pMask; | 1092 return pMask; |
1093 } | 1093 } |
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