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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 | |
7 #include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h" | |
8 | |
9 #include "core/fpdfapi/fpdf_page/cpdf_form.h" | |
10 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" | |
11 #include "core/fpdfapi/fpdf_parser/cpdf_object.h" | |
12 #include "core/fpdfapi/fpdf_parser/cpdf_stream.h" | |
13 | |
14 CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc, | |
15 CPDF_Object* pPatternObj, | |
16 const CFX_Matrix& parentMatrix) | |
17 : CPDF_Pattern(TILING, pDoc, pPatternObj, parentMatrix) { | |
18 CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); | |
19 m_Pattern2Form = pDict->GetMatrixFor("Matrix"); | |
20 m_bColored = pDict->GetIntegerFor("PaintType") == 1; | |
21 m_Pattern2Form.Concat(parentMatrix); | |
22 } | |
23 | |
24 CPDF_TilingPattern::~CPDF_TilingPattern() { | |
25 } | |
26 | |
27 CPDF_TilingPattern* CPDF_TilingPattern::AsTilingPattern() { | |
28 return this; | |
29 } | |
30 | |
31 CPDF_ShadingPattern* CPDF_TilingPattern::AsShadingPattern() { | |
32 return nullptr; | |
33 } | |
34 | |
35 FX_BOOL CPDF_TilingPattern::Load() { | |
36 if (m_pForm) | |
37 return TRUE; | |
38 | |
39 CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); | |
40 if (!pDict) | |
41 return FALSE; | |
42 | |
43 m_bColored = pDict->GetIntegerFor("PaintType") == 1; | |
44 m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberFor("XStep")); | |
45 m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberFor("YStep")); | |
46 | |
47 CPDF_Stream* pStream = m_pPatternObj->AsStream(); | |
48 if (!pStream) | |
49 return FALSE; | |
50 | |
51 m_pForm.reset(new CPDF_Form(m_pDocument, nullptr, pStream)); | |
52 m_pForm->ParseContent(nullptr, &m_ParentMatrix, nullptr); | |
53 m_BBox = pDict->GetRectFor("BBox"); | |
54 return TRUE; | |
55 } | |
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