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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 "../../public/fpdf_transformpage.h" | 7 #include "../../public/fpdf_transformpage.h" |
8 #include "../include/fsdk_define.h" | 8 #include "../include/fsdk_define.h" |
9 | 9 |
10 namespace { | 10 namespace { |
11 | 11 |
12 CPDF_Page* GetPageFromFPDFPage(FPDF_PAGE page) { | |
13 return static_cast<CPDF_Page*>(page); | |
14 } | |
15 | |
16 void SetBoundingBox(CPDF_Page* page, | 12 void SetBoundingBox(CPDF_Page* page, |
17 const CFX_ByteStringC& key, | 13 const CFX_ByteStringC& key, |
18 float left, | 14 float left, |
19 float bottom, | 15 float bottom, |
20 float right, | 16 float right, |
21 float top) { | 17 float top) { |
22 CPDF_Dictionary* pPageDict = page->m_pFormDict; | 18 CPDF_Dictionary* pPageDict = page->m_pFormDict; |
23 CPDF_Array* pBoundingBoxArray = new CPDF_Array; | 19 CPDF_Array* pBoundingBoxArray = new CPDF_Array; |
24 pBoundingBoxArray->Add(new CPDF_Number(left)); | 20 pBoundingBoxArray->Add(new CPDF_Number(left)); |
25 pBoundingBoxArray->Add(new CPDF_Number(bottom)); | 21 pBoundingBoxArray->Add(new CPDF_Number(bottom)); |
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46 return TRUE; | 42 return TRUE; |
47 } | 43 } |
48 | 44 |
49 } // namespace | 45 } // namespace |
50 | 46 |
51 DLLEXPORT void STDCALL FPDFPage_SetMediaBox(FPDF_PAGE page, | 47 DLLEXPORT void STDCALL FPDFPage_SetMediaBox(FPDF_PAGE page, |
52 float left, | 48 float left, |
53 float bottom, | 49 float bottom, |
54 float right, | 50 float right, |
55 float top) { | 51 float top) { |
56 CPDF_Page* pPage = GetPageFromFPDFPage(page); | 52 CPDF_Page* pPage = CPDFPageFromFPDFPage(page); |
57 if (!pPage) | 53 if (!pPage) |
58 return; | 54 return; |
59 | 55 |
60 SetBoundingBox(pPage, "MediaBox", left, bottom, right, top); | 56 SetBoundingBox(pPage, "MediaBox", left, bottom, right, top); |
61 } | 57 } |
62 | 58 |
63 DLLEXPORT void STDCALL FPDFPage_SetCropBox(FPDF_PAGE page, | 59 DLLEXPORT void STDCALL FPDFPage_SetCropBox(FPDF_PAGE page, |
64 float left, | 60 float left, |
65 float bottom, | 61 float bottom, |
66 float right, | 62 float right, |
67 float top) { | 63 float top) { |
68 CPDF_Page* pPage = GetPageFromFPDFPage(page); | 64 CPDF_Page* pPage = CPDFPageFromFPDFPage(page); |
69 if (!pPage) | 65 if (!pPage) |
70 return; | 66 return; |
71 | 67 |
72 SetBoundingBox(pPage, "CropBox", left, bottom, right, top); | 68 SetBoundingBox(pPage, "CropBox", left, bottom, right, top); |
73 } | 69 } |
74 | 70 |
75 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GetMediaBox(FPDF_PAGE page, | 71 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GetMediaBox(FPDF_PAGE page, |
76 float* left, | 72 float* left, |
77 float* bottom, | 73 float* bottom, |
78 float* right, | 74 float* right, |
79 float* top) { | 75 float* top) { |
80 CPDF_Page* pPage = GetPageFromFPDFPage(page); | 76 CPDF_Page* pPage = CPDFPageFromFPDFPage(page); |
81 return pPage && GetBoundingBox(pPage, "MediaBox", left, bottom, right, top); | 77 return pPage && GetBoundingBox(pPage, "MediaBox", left, bottom, right, top); |
82 } | 78 } |
83 | 79 |
84 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GetCropBox(FPDF_PAGE page, | 80 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_GetCropBox(FPDF_PAGE page, |
85 float* left, | 81 float* left, |
86 float* bottom, | 82 float* bottom, |
87 float* right, | 83 float* right, |
88 float* top) { | 84 float* top) { |
89 CPDF_Page* pPage = GetPageFromFPDFPage(page); | 85 CPDF_Page* pPage = CPDFPageFromFPDFPage(page); |
90 return pPage && GetBoundingBox(pPage, "CropBox", left, bottom, right, top); | 86 return pPage && GetBoundingBox(pPage, "CropBox", left, bottom, right, top); |
91 } | 87 } |
92 | 88 |
93 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_TransFormWithClip(FPDF_PAGE page, | 89 DLLEXPORT FPDF_BOOL STDCALL FPDFPage_TransFormWithClip(FPDF_PAGE page, |
94 FS_MATRIX* matrix, | 90 FS_MATRIX* matrix, |
95 FS_RECTF* clipRect) { | 91 FS_RECTF* clipRect) { |
96 CPDF_Page* pPage = GetPageFromFPDFPage(page); | 92 CPDF_Page* pPage = CPDFPageFromFPDFPage(page); |
97 if (!pPage) | 93 if (!pPage) |
98 return FALSE; | 94 return FALSE; |
99 | 95 |
100 CFX_ByteTextBuf textBuf; | 96 CFX_ByteTextBuf textBuf; |
101 textBuf << "q "; | 97 textBuf << "q "; |
102 CFX_FloatRect rect(clipRect->left, clipRect->bottom, clipRect->right, | 98 CFX_FloatRect rect(clipRect->left, clipRect->bottom, clipRect->right, |
103 clipRect->top); | 99 clipRect->top); |
104 rect.Normalize(); | 100 rect.Normalize(); |
105 CFX_ByteString bsClipping; | 101 CFX_ByteString bsClipping; |
106 bsClipping.Format("%f %f %f %f re W* n ", rect.left, rect.bottom, | 102 bsClipping.Format("%f %f %f %f re W* n ", rect.left, rect.bottom, |
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259 if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) | 255 if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) |
260 buf << " l h\n"; | 256 buf << " l h\n"; |
261 else | 257 else |
262 buf << " l\n"; | 258 buf << " l\n"; |
263 } | 259 } |
264 } | 260 } |
265 } | 261 } |
266 | 262 |
267 DLLEXPORT void STDCALL FPDFPage_InsertClipPath(FPDF_PAGE page, | 263 DLLEXPORT void STDCALL FPDFPage_InsertClipPath(FPDF_PAGE page, |
268 FPDF_CLIPPATH clipPath) { | 264 FPDF_CLIPPATH clipPath) { |
269 CPDF_Page* pPage = GetPageFromFPDFPage(page); | 265 CPDF_Page* pPage = CPDFPageFromFPDFPage(page); |
270 if (!pPage) | 266 if (!pPage) |
271 return; | 267 return; |
272 | 268 |
273 CPDF_Dictionary* pPageDic = pPage->m_pFormDict; | 269 CPDF_Dictionary* pPageDic = pPage->m_pFormDict; |
274 CPDF_Object* pContentObj = pPageDic ? pPageDic->GetElement("Contents") : NULL; | 270 CPDF_Object* pContentObj = pPageDic ? pPageDic->GetElement("Contents") : NULL; |
275 if (!pContentObj) | 271 if (!pContentObj) |
276 pContentObj = pPageDic ? pPageDic->GetArray("Contents") : NULL; | 272 pContentObj = pPageDic ? pPageDic->GetArray("Contents") : NULL; |
277 if (!pContentObj) | 273 if (!pContentObj) |
278 return; | 274 return; |
279 | 275 |
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318 } else if (pDirectObj->GetType() == PDFOBJ_STREAM) { | 314 } else if (pDirectObj->GetType() == PDFOBJ_STREAM) { |
319 pContentArray = new CPDF_Array(); | 315 pContentArray = new CPDF_Array(); |
320 pContentArray->AddReference(pDoc, pStream->GetObjNum()); | 316 pContentArray->AddReference(pDoc, pStream->GetObjNum()); |
321 pContentArray->AddReference(pDoc, pDirectObj->GetObjNum()); | 317 pContentArray->AddReference(pDoc, pDirectObj->GetObjNum()); |
322 pPageDic->SetAtReference("Contents", pDoc, | 318 pPageDic->SetAtReference("Contents", pDoc, |
323 pDoc->AddIndirectObject(pContentArray)); | 319 pDoc->AddIndirectObject(pContentArray)); |
324 } | 320 } |
325 } | 321 } |
326 } | 322 } |
327 } | 323 } |
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