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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 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/fpdfapi/fpdf_font/cpdf_type3font.h" | 7 #include "core/fpdfapi/fpdf_font/cpdf_type3font.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_font/cpdf_type3char.h" | 9 #include "core/fpdfapi/fpdf_font/cpdf_type3char.h" |
10 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" | 10 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" |
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50 CPDF_Array* pBBox = m_pFontDict->GetArrayBy("FontBBox"); | 50 CPDF_Array* pBBox = m_pFontDict->GetArrayBy("FontBBox"); |
51 if (pBBox) { | 51 if (pBBox) { |
52 m_FontBBox.left = (int32_t)(pBBox->GetNumberAt(0) * xscale * 1000); | 52 m_FontBBox.left = (int32_t)(pBBox->GetNumberAt(0) * xscale * 1000); |
53 m_FontBBox.bottom = (int32_t)(pBBox->GetNumberAt(1) * yscale * 1000); | 53 m_FontBBox.bottom = (int32_t)(pBBox->GetNumberAt(1) * yscale * 1000); |
54 m_FontBBox.right = (int32_t)(pBBox->GetNumberAt(2) * xscale * 1000); | 54 m_FontBBox.right = (int32_t)(pBBox->GetNumberAt(2) * xscale * 1000); |
55 m_FontBBox.top = (int32_t)(pBBox->GetNumberAt(3) * yscale * 1000); | 55 m_FontBBox.top = (int32_t)(pBBox->GetNumberAt(3) * yscale * 1000); |
56 } | 56 } |
57 int StartChar = m_pFontDict->GetIntegerBy("FirstChar"); | 57 int StartChar = m_pFontDict->GetIntegerBy("FirstChar"); |
58 CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths"); | 58 CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths"); |
59 if (pWidthArray && (StartChar >= 0 && StartChar < 256)) { | 59 if (pWidthArray && (StartChar >= 0 && StartChar < 256)) { |
60 uint32_t count = pWidthArray->GetCount(); | 60 size_t count = pWidthArray->GetCount(); |
61 if (count > 256) { | 61 if (count > 256) |
62 count = 256; | 62 count = 256; |
63 } | 63 if (StartChar + count > 256) |
64 if (StartChar + count > 256) { | |
65 count = 256 - StartChar; | 64 count = 256 - StartChar; |
66 } | 65 for (size_t i = 0; i < count; i++) { |
67 for (uint32_t i = 0; i < count; i++) { | |
68 m_CharWidthL[StartChar + i] = | 66 m_CharWidthL[StartChar + i] = |
69 FXSYS_round(pWidthArray->GetNumberAt(i) * xscale * 1000); | 67 FXSYS_round(pWidthArray->GetNumberAt(i) * xscale * 1000); |
70 } | 68 } |
71 } | 69 } |
72 m_pCharProcs = m_pFontDict->GetDictBy("CharProcs"); | 70 m_pCharProcs = m_pFontDict->GetDictBy("CharProcs"); |
73 CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectBy("Encoding"); | 71 CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectBy("Encoding"); |
74 if (pEncoding) { | 72 if (pEncoding) { |
75 LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, FALSE, FALSE); | 73 LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, FALSE, FALSE); |
76 if (m_pCharNames) { | 74 if (m_pCharNames) { |
77 for (int i = 0; i < 256; i++) { | 75 for (int i = 0; i < 256; i++) { |
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153 return m_CharWidthL[charcode]; | 151 return m_CharWidthL[charcode]; |
154 | 152 |
155 const CPDF_Type3Char* pChar = LoadChar(charcode, level); | 153 const CPDF_Type3Char* pChar = LoadChar(charcode, level); |
156 return pChar ? pChar->m_Width : 0; | 154 return pChar ? pChar->m_Width : 0; |
157 } | 155 } |
158 | 156 |
159 FX_RECT CPDF_Type3Font::GetCharBBox(uint32_t charcode, int level) { | 157 FX_RECT CPDF_Type3Font::GetCharBBox(uint32_t charcode, int level) { |
160 const CPDF_Type3Char* pChar = LoadChar(charcode, level); | 158 const CPDF_Type3Char* pChar = LoadChar(charcode, level); |
161 return pChar ? pChar->m_BBox : FX_RECT(); | 159 return pChar ? pChar->m_BBox : FX_RECT(); |
162 } | 160 } |
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