diff options
Diffstat (limited to 'core/fpdfapi/parser/cpdf_document.cpp')
| -rw-r--r-- | core/fpdfapi/parser/cpdf_document.cpp | 1020 |
1 files changed, 1020 insertions, 0 deletions
diff --git a/core/fpdfapi/parser/cpdf_document.cpp b/core/fpdfapi/parser/cpdf_document.cpp new file mode 100644 index 0000000000..bf6439cc8c --- /dev/null +++ b/core/fpdfapi/parser/cpdf_document.cpp @@ -0,0 +1,1020 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "core/fpdfapi/parser/cpdf_document.h" + +#include <memory> +#include <set> +#include <vector> + +#include "core/fpdfapi/cpdf_modulemgr.h" +#include "core/fpdfapi/font/cpdf_fontencoding.h" +#include "core/fpdfapi/fpdf_render/render_int.h" +#include "core/fpdfapi/page/cpdf_pagemodule.h" +#include "core/fpdfapi/page/pageint.h" +#include "core/fpdfapi/parser/cpdf_array.h" +#include "core/fpdfapi/parser/cpdf_dictionary.h" +#include "core/fpdfapi/parser/cpdf_parser.h" +#include "core/fpdfapi/parser/cpdf_reference.h" +#include "core/fpdfapi/parser/cpdf_stream.h" +#include "core/fxcodec/JBig2_DocumentContext.h" +#include "core/fxge/cfx_unicodeencoding.h" +#include "core/fxge/fx_font.h" +#include "third_party/base/ptr_util.h" +#include "third_party/base/stl_util.h" + +namespace { + +const int FX_MAX_PAGE_LEVEL = 1024; + +const uint16_t g_FX_CP874Unicodes[128] = { + 0x20AC, 0x0000, 0x0000, 0x0000, 0x0000, 0x2026, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x2018, + 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00A0, 0x0E01, 0x0E02, 0x0E03, + 0x0E04, 0x0E05, 0x0E06, 0x0E07, 0x0E08, 0x0E09, 0x0E0A, 0x0E0B, 0x0E0C, + 0x0E0D, 0x0E0E, 0x0E0F, 0x0E10, 0x0E11, 0x0E12, 0x0E13, 0x0E14, 0x0E15, + 0x0E16, 0x0E17, 0x0E18, 0x0E19, 0x0E1A, 0x0E1B, 0x0E1C, 0x0E1D, 0x0E1E, + 0x0E1F, 0x0E20, 0x0E21, 0x0E22, 0x0E23, 0x0E24, 0x0E25, 0x0E26, 0x0E27, + 0x0E28, 0x0E29, 0x0E2A, 0x0E2B, 0x0E2C, 0x0E2D, 0x0E2E, 0x0E2F, 0x0E30, + 0x0E31, 0x0E32, 0x0E33, 0x0E34, 0x0E35, 0x0E36, 0x0E37, 0x0E38, 0x0E39, + 0x0E3A, 0x0000, 0x0000, 0x0000, 0x0000, 0x0E3F, 0x0E40, 0x0E41, 0x0E42, + 0x0E43, 0x0E44, 0x0E45, 0x0E46, 0x0E47, 0x0E48, 0x0E49, 0x0E4A, 0x0E4B, + 0x0E4C, 0x0E4D, 0x0E4E, 0x0E4F, 0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, + 0x0E55, 0x0E56, 0x0E57, 0x0E58, 0x0E59, 0x0E5A, 0x0E5B, 0x0000, 0x0000, + 0x0000, 0x0000, +}; +const uint16_t g_FX_CP1250Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021, 0x0000, + 0x2030, 0x0160, 0x2039, 0x015A, 0x0164, 0x017D, 0x0179, 0x0000, 0x2018, + 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, 0x0000, 0x2122, 0x0161, + 0x203A, 0x015B, 0x0165, 0x017E, 0x017A, 0x00A0, 0x02C7, 0x02D8, 0x0141, + 0x00A4, 0x0104, 0x00A6, 0x00A7, 0x00A8, 0x00A9, 0x015E, 0x00AB, 0x00AC, + 0x00AD, 0x00AE, 0x017B, 0x00B0, 0x00B1, 0x02DB, 0x0142, 0x00B4, 0x00B5, + 0x00B6, 0x00B7, 0x00B8, 0x0105, 0x015F, 0x00BB, 0x013D, 0x02DD, 0x013E, + 0x017C, 0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7, + 0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E, 0x0110, + 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7, 0x0158, 0x016E, + 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF, 0x0155, 0x00E1, 0x00E2, + 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7, 0x010D, 0x00E9, 0x0119, 0x00EB, + 0x011B, 0x00ED, 0x00EE, 0x010F, 0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, + 0x0151, 0x00F6, 0x00F7, 0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, + 0x0163, 0x02D9, +}; +const uint16_t g_FX_CP1251Unicodes[128] = { + 0x0402, 0x0403, 0x201A, 0x0453, 0x201E, 0x2026, 0x2020, 0x2021, 0x20AC, + 0x2030, 0x0409, 0x2039, 0x040A, 0x040C, 0x040B, 0x040F, 0x0452, 0x2018, + 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, 0x0000, 0x2122, 0x0459, + 0x203A, 0x045A, 0x045C, 0x045B, 0x045F, 0x00A0, 0x040E, 0x045E, 0x0408, + 0x00A4, 0x0490, 0x00A6, 0x00A7, 0x0401, 0x00A9, 0x0404, 0x00AB, 0x00AC, + 0x00AD, 0x00AE, 0x0407, 0x00B0, 0x00B1, 0x0406, 0x0456, 0x0491, 0x00B5, + 0x00B6, 0x00B7, 0x0451, 0x2116, 0x0454, 0x00BB, 0x0458, 0x0405, 0x0455, + 0x0457, 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, + 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F, 0x0420, + 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427, 0x0428, 0x0429, + 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F, 0x0430, 0x0431, 0x0432, + 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, 0x0438, 0x0439, 0x043A, 0x043B, + 0x043C, 0x043D, 0x043E, 0x043F, 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, + 0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, + 0x044E, 0x044F, +}; +const uint16_t g_FX_CP1253Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, 0x0000, + 0x2030, 0x0000, 0x2039, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x2018, + 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, 0x0000, 0x2122, 0x0000, + 0x203A, 0x0000, 0x0000, 0x0000, 0x0000, 0x00A0, 0x0385, 0x0386, 0x00A3, + 0x00A4, 0x00A5, 0x00A6, 0x00A7, 0x00A8, 0x00A9, 0x0000, 0x00AB, 0x00AC, + 0x00AD, 0x00AE, 0x2015, 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x0384, 0x00B5, + 0x00B6, 0x00B7, 0x0388, 0x0389, 0x038A, 0x00BB, 0x038C, 0x00BD, 0x038E, + 0x038F, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, + 0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F, 0x03A0, + 0x03A1, 0x0000, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9, + 0x03AA, 0x03AB, 0x03AC, 0x03AD, 0x03AE, 0x03AF, 0x03B0, 0x03B1, 0x03B2, + 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8, 0x03B9, 0x03BA, 0x03BB, + 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4, + 0x03C5, 0x03C6, 0x03C7, 0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, + 0x03CE, 0x0000, +}; +const uint16_t g_FX_CP1254Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, 0x02C6, + 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x0000, 0x0000, 0x0000, 0x2018, + 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, 0x02DC, 0x2122, 0x0161, + 0x203A, 0x0153, 0x0000, 0x0000, 0x0178, 0x00A0, 0x00A1, 0x00A2, 0x00A3, + 0x00A4, 0x00A5, 0x00A6, 0x00A7, 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, + 0x00AD, 0x00AE, 0x00AF, 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, + 0x00B6, 0x00B7, 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, + 0x00BF, 0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7, + 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF, 0x011E, + 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7, 0x00D8, 0x00D9, + 0x00DA, 0x00DB, 0x00DC, 0x0130, 0x015E, 0x00DF, 0x00E0, 0x00E1, 0x00E2, + 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, 0x00E8, 0x00E9, 0x00EA, 0x00EB, + 0x00EC, 0x00ED, 0x00EE, 0x00EF, 0x011F, 0x00F1, 0x00F2, 0x00F3, 0x00F4, + 0x00F5, 0x00F6, 0x00F7, 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0131, + 0x015F, 0x00FF, +}; +const uint16_t g_FX_CP1255Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, 0x02C6, + 0x2030, 0x0000, 0x2039, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x2018, + 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, 0x02DC, 0x2122, 0x0000, + 0x203A, 0x0000, 0x0000, 0x0000, 0x0000, 0x00A0, 0x00A1, 0x00A2, 0x00A3, + 0x20AA, 0x00A5, 0x00A6, 0x00A7, 0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, + 0x00AD, 0x00AE, 0x00AF, 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, + 0x00B6, 0x00B7, 0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, + 0x00BF, 0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7, + 0x05B8, 0x05B9, 0x0000, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF, 0x05C0, + 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3, 0x05F4, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x05D0, 0x05D1, 0x05D2, + 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7, 0x05D8, 0x05D9, 0x05DA, 0x05DB, + 0x05DC, 0x05DD, 0x05DE, 0x05DF, 0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, + 0x05E5, 0x05E6, 0x05E7, 0x05E8, 0x05E9, 0x05EA, 0x0000, 0x0000, 0x200E, + 0x200F, 0x0000, +}; +const uint16_t g_FX_CP1256Unicodes[128] = { + 0x20AC, 0x067E, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, 0x02C6, + 0x2030, 0x0679, 0x2039, 0x0152, 0x0686, 0x0698, 0x0688, 0x06AF, 0x2018, + 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, 0x06A9, 0x2122, 0x0691, + 0x203A, 0x0153, 0x200C, 0x200D, 0x06BA, 0x00A0, 0x060C, 0x00A2, 0x00A3, + 0x00A4, 0x00A5, 0x00A6, 0x00A7, 0x00A8, 0x00A9, 0x06BE, 0x00AB, 0x00AC, + 0x00AD, 0x00AE, 0x00AF, 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, + 0x00B6, 0x00B7, 0x00B8, 0x00B9, 0x061B, 0x00BB, 0x00BC, 0x00BD, 0x00BE, + 0x061F, 0x06C1, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627, + 0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F, 0x0630, + 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x00D7, 0x0637, 0x0638, + 0x0639, 0x063A, 0x0640, 0x0641, 0x0642, 0x0643, 0x00E0, 0x0644, 0x00E2, + 0x0645, 0x0646, 0x0647, 0x0648, 0x00E7, 0x00E8, 0x00E9, 0x00EA, 0x00EB, + 0x0649, 0x064A, 0x00EE, 0x00EF, 0x064B, 0x064C, 0x064D, 0x064E, 0x00F4, + 0x064F, 0x0650, 0x00F7, 0x0651, 0x00F9, 0x0652, 0x00FB, 0x00FC, 0x200E, + 0x200F, 0x06D2, +}; +const uint16_t g_FX_CP1257Unicodes[128] = { + 0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021, 0x0000, + 0x2030, 0x0000, 0x2039, 0x0000, 0x00A8, 0x02C7, 0x00B8, 0x0000, 0x2018, + 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, 0x0000, 0x2122, 0x0000, + 0x203A, 0x0000, 0x00AF, 0x02DB, 0x0000, 0x00A0, 0x0000, 0x00A2, 0x00A3, + 0x00A4, 0x0000, 0x00A6, 0x00A7, 0x00D8, 0x00A9, 0x0156, 0x00AB, 0x00AC, + 0x00AD, 0x00AE, 0x00C6, 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, + 0x00B6, 0x00B7, 0x00F8, 0x00B9, 0x0157, 0x00BB, 0x00BC, 0x00BD, 0x00BE, + 0x00E6, 0x0104, 0x012E, 0x0100, 0x0106, 0x00C4, 0x00C5, 0x0118, 0x0112, + 0x010C, 0x00C9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012A, 0x013B, 0x0160, + 0x0143, 0x0145, 0x00D3, 0x014C, 0x00D5, 0x00D6, 0x00D7, 0x0172, 0x0141, + 0x015A, 0x016A, 0x00DC, 0x017B, 0x017D, 0x00DF, 0x0105, 0x012F, 0x0101, + 0x0107, 0x00E4, 0x00E5, 0x0119, 0x0113, 0x010D, 0x00E9, 0x017A, 0x0117, + 0x0123, 0x0137, 0x012B, 0x013C, 0x0161, 0x0144, 0x0146, 0x00F3, 0x014D, + 0x00F5, 0x00F6, 0x00F7, 0x0173, 0x0142, 0x015B, 0x016B, 0x00FC, 0x017C, + 0x017E, 0x02D9, +}; + +struct FX_CharsetUnicodes { + uint8_t m_Charset; + const uint16_t* m_pUnicodes; +}; + +const FX_CharsetUnicodes g_FX_CharsetUnicodes[] = { + {FXFONT_THAI_CHARSET, g_FX_CP874Unicodes}, + {FXFONT_EASTEUROPE_CHARSET, g_FX_CP1250Unicodes}, + {FXFONT_RUSSIAN_CHARSET, g_FX_CP1251Unicodes}, + {FXFONT_GREEK_CHARSET, g_FX_CP1253Unicodes}, + {FXFONT_TURKISH_CHARSET, g_FX_CP1254Unicodes}, + {FXFONT_HEBREW_CHARSET, g_FX_CP1255Unicodes}, + {FXFONT_ARABIC_CHARSET, g_FX_CP1256Unicodes}, + {FXFONT_BALTIC_CHARSET, g_FX_CP1257Unicodes}, +}; + +void InsertWidthArrayImpl(int* widths, int size, CPDF_Array* pWidthArray) { + int i; + for (i = 1; i < size; i++) { + if (widths[i] != *widths) + break; + } + if (i == size) { + int first = pWidthArray->GetIntegerAt(pWidthArray->GetCount() - 1); + pWidthArray->AddInteger(first + size - 1); + pWidthArray->AddInteger(*widths); + } else { + CPDF_Array* pWidthArray1 = new CPDF_Array; + pWidthArray->Add(pWidthArray1); + for (i = 0; i < size; i++) + pWidthArray1->AddInteger(widths[i]); + } + FX_Free(widths); +} + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +void InsertWidthArray(HDC hDC, int start, int end, CPDF_Array* pWidthArray) { + int size = end - start + 1; + int* widths = FX_Alloc(int, size); + GetCharWidth(hDC, start, end, widths); + InsertWidthArrayImpl(widths, size, pWidthArray); +} + +CFX_ByteString FPDF_GetPSNameFromTT(HDC hDC) { + CFX_ByteString result; + DWORD size = ::GetFontData(hDC, 'eman', 0, nullptr, 0); + if (size != GDI_ERROR) { + LPBYTE buffer = FX_Alloc(BYTE, size); + ::GetFontData(hDC, 'eman', 0, buffer, size); + result = GetNameFromTT(buffer, size, 6); + FX_Free(buffer); + } + return result; +} +#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ + +void InsertWidthArray1(CFX_Font* pFont, + CFX_UnicodeEncoding* pEncoding, + FX_WCHAR start, + FX_WCHAR end, + CPDF_Array* pWidthArray) { + int size = end - start + 1; + int* widths = FX_Alloc(int, size); + int i; + for (i = 0; i < size; i++) { + int glyph_index = pEncoding->GlyphFromCharCode(start + i); + widths[i] = pFont->GetGlyphWidth(glyph_index); + } + InsertWidthArrayImpl(widths, size, pWidthArray); +} + +int InsertDeletePDFPage(CPDF_Document* pDoc, + CPDF_Dictionary* pPages, + int nPagesToGo, + CPDF_Dictionary* pPage, + FX_BOOL bInsert, + std::set<CPDF_Dictionary*>* pVisited) { + CPDF_Array* pKidList = pPages->GetArrayFor("Kids"); + if (!pKidList) + return -1; + + for (size_t i = 0; i < pKidList->GetCount(); i++) { + CPDF_Dictionary* pKid = pKidList->GetDictAt(i); + if (pKid->GetStringFor("Type") == "Page") { + if (nPagesToGo == 0) { + if (bInsert) { + pKidList->InsertAt(i, new CPDF_Reference(pDoc, pPage->GetObjNum())); + pPage->SetReferenceFor("Parent", pDoc, pPages->GetObjNum()); + } else { + pKidList->RemoveAt(i); + } + pPages->SetIntegerFor( + "Count", pPages->GetIntegerFor("Count") + (bInsert ? 1 : -1)); + return 1; + } + nPagesToGo--; + } else { + int nPages = pKid->GetIntegerFor("Count"); + if (nPagesToGo < nPages) { + if (pdfium::ContainsKey(*pVisited, pKid)) + return -1; + + pdfium::ScopedSetInsertion<CPDF_Dictionary*> insertion(pVisited, pKid); + if (InsertDeletePDFPage(pDoc, pKid, nPagesToGo, pPage, bInsert, + pVisited) < 0) { + return -1; + } + pPages->SetIntegerFor( + "Count", pPages->GetIntegerFor("Count") + (bInsert ? 1 : -1)); + return 1; + } + nPagesToGo -= nPages; + } + } + return 0; +} + +int InsertNewPage(CPDF_Document* pDoc, + int iPage, + CPDF_Dictionary* pPageDict, + CFX_ArrayTemplate<uint32_t>& pageList) { + CPDF_Dictionary* pRoot = pDoc->GetRoot(); + CPDF_Dictionary* pPages = pRoot ? pRoot->GetDictFor("Pages") : nullptr; + if (!pPages) + return -1; + + int nPages = pDoc->GetPageCount(); + if (iPage < 0 || iPage > nPages) + return -1; + + if (iPage == nPages) { + CPDF_Array* pPagesList = pPages->GetArrayFor("Kids"); + if (!pPagesList) { + pPagesList = new CPDF_Array; + pPages->SetFor("Kids", pPagesList); + } + pPagesList->Add(new CPDF_Reference(pDoc, pPageDict->GetObjNum())); + pPages->SetIntegerFor("Count", nPages + 1); + pPageDict->SetReferenceFor("Parent", pDoc, pPages->GetObjNum()); + } else { + std::set<CPDF_Dictionary*> stack = {pPages}; + if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, TRUE, &stack) < 0) + return -1; + } + pageList.InsertAt(iPage, pPageDict->GetObjNum()); + return iPage; +} + +int CountPages(CPDF_Dictionary* pPages, + std::set<CPDF_Dictionary*>* visited_pages) { + int count = pPages->GetIntegerFor("Count"); + if (count > 0 && count < FPDF_PAGE_MAX_NUM) + return count; + CPDF_Array* pKidList = pPages->GetArrayFor("Kids"); + if (!pKidList) + return 0; + count = 0; + for (size_t i = 0; i < pKidList->GetCount(); i++) { + CPDF_Dictionary* pKid = pKidList->GetDictAt(i); + if (!pKid || pdfium::ContainsKey(*visited_pages, pKid)) + continue; + if (pKid->KeyExist("Kids")) { + // Use |visited_pages| to help detect circular references of pages. + pdfium::ScopedSetInsertion<CPDF_Dictionary*> local_add(visited_pages, + pKid); + count += CountPages(pKid, visited_pages); + } else { + // This page is a leaf node. + count++; + } + } + pPages->SetIntegerFor("Count", count); + return count; +} + +int CalculateFlags(bool bold, + bool italic, + bool fixedPitch, + bool serif, + bool script, + bool symbolic) { + int flags = 0; + if (bold) + flags |= PDFFONT_FORCEBOLD; + if (italic) + flags |= PDFFONT_ITALIC; + if (fixedPitch) + flags |= PDFFONT_FIXEDPITCH; + if (serif) + flags |= PDFFONT_SERIF; + if (script) + flags |= PDFFONT_SCRIPT; + if (symbolic) + flags |= PDFFONT_SYMBOLIC; + else + flags |= PDFFONT_NONSYMBOLIC; + return flags; +} + +void ProcessNonbCJK(CPDF_Dictionary* pBaseDict, + bool bold, + bool italic, + CFX_ByteString basefont, + CPDF_Array* pWidths) { + if (bold && italic) + basefont += ",BoldItalic"; + else if (bold) + basefont += ",Bold"; + else if (italic) + basefont += ",Italic"; + pBaseDict->SetNameFor("Subtype", "TrueType"); + pBaseDict->SetNameFor("BaseFont", basefont); + pBaseDict->SetNumberFor("FirstChar", 32); + pBaseDict->SetNumberFor("LastChar", 255); + pBaseDict->SetFor("Widths", pWidths); +} + +CPDF_Dictionary* CalculateFontDesc(CPDF_Document* pDoc, + CFX_ByteString basefont, + int flags, + int italicangle, + int ascend, + int descend, + CPDF_Array* bbox, + int32_t stemV) { + CPDF_Dictionary* pFontDesc = new CPDF_Dictionary(pDoc->GetByteStringPool()); + pFontDesc->SetNameFor("Type", "FontDescriptor"); + pFontDesc->SetNameFor("FontName", basefont); + pFontDesc->SetIntegerFor("Flags", flags); + pFontDesc->SetFor("FontBBox", bbox); + pFontDesc->SetIntegerFor("ItalicAngle", italicangle); + pFontDesc->SetIntegerFor("Ascent", ascend); + pFontDesc->SetIntegerFor("Descent", descend); + pFontDesc->SetIntegerFor("StemV", stemV); + return pFontDesc; +} + +} // namespace + +CPDF_Document::CPDF_Document(std::unique_ptr<CPDF_Parser> pParser) + : CPDF_IndirectObjectHolder(), + m_pParser(std::move(pParser)), + m_pRootDict(nullptr), + m_pInfoDict(nullptr), + m_bLinearized(false), + m_iFirstPageNo(0), + m_dwFirstPageObjNum(0), + m_pDocPage(new CPDF_DocPageData(this)), + m_pDocRender(new CPDF_DocRenderData(this)), + m_pByteStringPool(pdfium::MakeUnique<CFX_ByteStringPool>()) { + if (pParser) + SetLastObjNum(m_pParser->GetLastObjNum()); +} + +CPDF_Document::~CPDF_Document() { + delete m_pDocPage; + CPDF_ModuleMgr::Get()->GetPageModule()->ClearStockFont(this); + m_pByteStringPool.DeleteObject(); // Make weak. +} + +CPDF_Object* CPDF_Document::ParseIndirectObject(uint32_t objnum) { + return m_pParser ? m_pParser->ParseIndirectObject(this, objnum) : nullptr; +} + +void CPDF_Document::LoadDocInternal() { + SetLastObjNum(m_pParser->GetLastObjNum()); + + CPDF_Object* pRootObj = GetOrParseIndirectObject(m_pParser->GetRootObjNum()); + if (!pRootObj) + return; + + m_pRootDict = pRootObj->GetDict(); + if (!m_pRootDict) + return; + + CPDF_Object* pInfoObj = GetOrParseIndirectObject(m_pParser->GetInfoObjNum()); + if (pInfoObj) + m_pInfoDict = pInfoObj->GetDict(); +} + +void CPDF_Document::LoadDoc() { + LoadDocInternal(); + m_PageList.SetSize(RetrievePageCount()); +} + +void CPDF_Document::LoadLinearizedDoc(CPDF_Dictionary* pLinearizationParams) { + m_bLinearized = true; + LoadDocInternal(); + + uint32_t dwPageCount = 0; + CPDF_Object* pCount = pLinearizationParams->GetObjectFor("N"); + if (ToNumber(pCount)) + dwPageCount = pCount->GetInteger(); + m_PageList.SetSize(dwPageCount); + + CPDF_Object* pNo = pLinearizationParams->GetObjectFor("P"); + if (ToNumber(pNo)) + m_iFirstPageNo = pNo->GetInteger(); + + CPDF_Object* pObjNum = pLinearizationParams->GetObjectFor("O"); + if (ToNumber(pObjNum)) + m_dwFirstPageObjNum = pObjNum->GetInteger(); +} + +void CPDF_Document::LoadPages() { + m_PageList.SetSize(RetrievePageCount()); +} + +CPDF_Dictionary* CPDF_Document::FindPDFPage(CPDF_Dictionary* pPages, + int iPage, + int nPagesToGo, + int level) { + CPDF_Array* pKidList = pPages->GetArrayFor("Kids"); + if (!pKidList) + return nPagesToGo == 0 ? pPages : nullptr; + + if (level >= FX_MAX_PAGE_LEVEL) + return nullptr; + + for (size_t i = 0; i < pKidList->GetCount(); i++) { + CPDF_Dictionary* pKid = pKidList->GetDictAt(i); + if (!pKid) { + nPagesToGo--; + continue; + } + if (pKid == pPages) + continue; + if (!pKid->KeyExist("Kids")) { + if (nPagesToGo == 0) + return pKid; + + m_PageList.SetAt(iPage - nPagesToGo, pKid->GetObjNum()); + nPagesToGo--; + } else { + int nPages = pKid->GetIntegerFor("Count"); + if (nPagesToGo < nPages) + return FindPDFPage(pKid, iPage, nPagesToGo, level + 1); + + nPagesToGo -= nPages; + } + } + return nullptr; +} + +CPDF_Dictionary* CPDF_Document::GetPagesDict() const { + CPDF_Dictionary* pRoot = GetRoot(); + return pRoot ? pRoot->GetDictFor("Pages") : nullptr; +} + +bool CPDF_Document::IsPageLoaded(int iPage) const { + return !!m_PageList.GetAt(iPage); +} + +CPDF_Dictionary* CPDF_Document::GetPage(int iPage) { + if (iPage < 0 || iPage >= m_PageList.GetSize()) + return nullptr; + + if (m_bLinearized && (iPage == m_iFirstPageNo)) { + if (CPDF_Dictionary* pDict = + ToDictionary(GetOrParseIndirectObject(m_dwFirstPageObjNum))) { + return pDict; + } + } + + int objnum = m_PageList.GetAt(iPage); + if (objnum) { + if (CPDF_Dictionary* pDict = ToDictionary(GetOrParseIndirectObject(objnum))) + return pDict; + } + + CPDF_Dictionary* pPages = GetPagesDict(); + if (!pPages) + return nullptr; + + CPDF_Dictionary* pPage = FindPDFPage(pPages, iPage, iPage, 0); + if (!pPage) + return nullptr; + + m_PageList.SetAt(iPage, pPage->GetObjNum()); + return pPage; +} + +void CPDF_Document::SetPageObjNum(int iPage, uint32_t objNum) { + m_PageList.SetAt(iPage, objNum); +} + +int CPDF_Document::FindPageIndex(CPDF_Dictionary* pNode, + uint32_t& skip_count, + uint32_t objnum, + int& index, + int level) { + if (!pNode->KeyExist("Kids")) { + if (objnum == pNode->GetObjNum()) + return index; + + if (skip_count) + skip_count--; + + index++; + return -1; + } + + CPDF_Array* pKidList = pNode->GetArrayFor("Kids"); + if (!pKidList) + return -1; + + if (level >= FX_MAX_PAGE_LEVEL) + return -1; + + size_t count = pNode->GetIntegerFor("Count"); + if (count <= skip_count) { + skip_count -= count; + index += count; + return -1; + } + + if (count && count == pKidList->GetCount()) { + for (size_t i = 0; i < count; i++) { + if (CPDF_Reference* pKid = ToReference(pKidList->GetObjectAt(i))) { + if (pKid->GetRefObjNum() == objnum) { + m_PageList.SetAt(index + i, objnum); + return static_cast<int>(index + i); + } + } + } + } + + for (size_t i = 0; i < pKidList->GetCount(); i++) { + CPDF_Dictionary* pKid = pKidList->GetDictAt(i); + if (!pKid || pKid == pNode) + continue; + + int found_index = FindPageIndex(pKid, skip_count, objnum, index, level + 1); + if (found_index >= 0) + return found_index; + } + return -1; +} + +int CPDF_Document::GetPageIndex(uint32_t objnum) { + uint32_t nPages = m_PageList.GetSize(); + uint32_t skip_count = 0; + bool bSkipped = false; + for (uint32_t i = 0; i < nPages; i++) { + uint32_t objnum1 = m_PageList.GetAt(i); + if (objnum1 == objnum) + return i; + + if (!bSkipped && objnum1 == 0) { + skip_count = i; + bSkipped = true; + } + } + CPDF_Dictionary* pPages = GetPagesDict(); + if (!pPages) + return -1; + + int index = 0; + return FindPageIndex(pPages, skip_count, objnum, index); +} + +int CPDF_Document::GetPageCount() const { + return m_PageList.GetSize(); +} + +int CPDF_Document::RetrievePageCount() const { + CPDF_Dictionary* pPages = GetPagesDict(); + if (!pPages) + return 0; + + if (!pPages->KeyExist("Kids")) + return 1; + + std::set<CPDF_Dictionary*> visited_pages; + visited_pages.insert(pPages); + return CountPages(pPages, &visited_pages); +} + +uint32_t CPDF_Document::GetUserPermissions() const { + // https://bugs.chromium.org/p/pdfium/issues/detail?id=499 + if (!m_pParser) { +#ifndef PDF_ENABLE_XFA + return 0; +#else // PDF_ENABLE_XFA + return 0xFFFFFFFF; +#endif + } + return m_pParser->GetPermissions(); +} + +CPDF_Font* CPDF_Document::LoadFont(CPDF_Dictionary* pFontDict) { + ASSERT(pFontDict); + return m_pDocPage->GetFont(pFontDict, FALSE); +} + +CPDF_StreamAcc* CPDF_Document::LoadFontFile(CPDF_Stream* pStream) { + return m_pDocPage->GetFontFileStreamAcc(pStream); +} + +CPDF_ColorSpace* CPDF_Document::LoadColorSpace(CPDF_Object* pCSObj, + CPDF_Dictionary* pResources) { + return m_pDocPage->GetColorSpace(pCSObj, pResources); +} + +CPDF_Pattern* CPDF_Document::LoadPattern(CPDF_Object* pPatternObj, + FX_BOOL bShading, + const CFX_Matrix& matrix) { + return m_pDocPage->GetPattern(pPatternObj, bShading, matrix); +} + +CPDF_IccProfile* CPDF_Document::LoadIccProfile(CPDF_Stream* pStream) { + return m_pDocPage->GetIccProfile(pStream); +} + +CPDF_Image* CPDF_Document::LoadImageF(CPDF_Object* pObj) { + if (!pObj) + return nullptr; + + ASSERT(pObj->GetObjNum()); + return m_pDocPage->GetImage(pObj); +} + +void CPDF_Document::CreateNewDoc() { + ASSERT(!m_pRootDict && !m_pInfoDict); + m_pRootDict = new CPDF_Dictionary(m_pByteStringPool); + m_pRootDict->SetNameFor("Type", "Catalog"); + AddIndirectObject(m_pRootDict); + + CPDF_Dictionary* pPages = new CPDF_Dictionary(m_pByteStringPool); + pPages->SetNameFor("Type", "Pages"); + pPages->SetNumberFor("Count", 0); + pPages->SetFor("Kids", new CPDF_Array); + m_pRootDict->SetReferenceFor("Pages", this, AddIndirectObject(pPages)); + m_pInfoDict = new CPDF_Dictionary(m_pByteStringPool); + AddIndirectObject(m_pInfoDict); +} + +CPDF_Dictionary* CPDF_Document::CreateNewPage(int iPage) { + CPDF_Dictionary* pDict = new CPDF_Dictionary(m_pByteStringPool); + pDict->SetNameFor("Type", "Page"); + uint32_t dwObjNum = AddIndirectObject(pDict); + if (InsertNewPage(this, iPage, pDict, m_PageList) < 0) { + ReleaseIndirectObject(dwObjNum); + return nullptr; + } + return pDict; +} + +void CPDF_Document::DeletePage(int iPage) { + CPDF_Dictionary* pPages = GetPagesDict(); + if (!pPages) + return; + + int nPages = pPages->GetIntegerFor("Count"); + if (iPage < 0 || iPage >= nPages) + return; + + std::set<CPDF_Dictionary*> stack = {pPages}; + if (InsertDeletePDFPage(this, pPages, iPage, nullptr, FALSE, &stack) < 0) + return; + + m_PageList.RemoveAt(iPage); +} + +CPDF_Font* CPDF_Document::AddStandardFont(const FX_CHAR* font, + CPDF_FontEncoding* pEncoding) { + CFX_ByteString name(font); + if (PDF_GetStandardFontName(&name) < 0) + return nullptr; + return GetPageData()->GetStandardFont(name, pEncoding); +} + +size_t CPDF_Document::CalculateEncodingDict(int charset, + CPDF_Dictionary* pBaseDict) { + size_t i; + for (i = 0; i < FX_ArraySize(g_FX_CharsetUnicodes); ++i) { + if (g_FX_CharsetUnicodes[i].m_Charset == charset) + break; + } + if (i == FX_ArraySize(g_FX_CharsetUnicodes)) + return i; + CPDF_Dictionary* pEncodingDict = new CPDF_Dictionary(m_pByteStringPool); + pEncodingDict->SetNameFor("BaseEncoding", "WinAnsiEncoding"); + CPDF_Array* pArray = new CPDF_Array; + pArray->AddInteger(128); + const uint16_t* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes; + for (int j = 0; j < 128; j++) { + CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]); + pArray->AddName(name.IsEmpty() ? ".notdef" : name); + } + pEncodingDict->SetFor("Differences", pArray); + pBaseDict->SetReferenceFor("Encoding", this, + AddIndirectObject(pEncodingDict)); + + return i; +} + +CPDF_Dictionary* CPDF_Document::ProcessbCJK( + CPDF_Dictionary* pBaseDict, + int charset, + FX_BOOL bVert, + CFX_ByteString basefont, + std::function<void(FX_WCHAR, FX_WCHAR, CPDF_Array*)> Insert) { + CPDF_Dictionary* pFontDict = new CPDF_Dictionary(m_pByteStringPool); + CFX_ByteString cmap; + CFX_ByteString ordering; + int supplement = 0; + CPDF_Array* pWidthArray = new CPDF_Array; + switch (charset) { + case FXFONT_CHINESEBIG5_CHARSET: + cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; + ordering = "CNS1"; + supplement = 4; + pWidthArray->AddInteger(1); + Insert(0x20, 0x7e, pWidthArray); + break; + case FXFONT_GB2312_CHARSET: + cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H"; + ordering = "GB1"; + supplement = 2; + pWidthArray->AddInteger(7716); + Insert(0x20, 0x20, pWidthArray); + pWidthArray->AddInteger(814); + Insert(0x21, 0x7e, pWidthArray); + break; + case FXFONT_HANGUL_CHARSET: + cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H"; + ordering = "Korea1"; + supplement = 2; + pWidthArray->AddInteger(1); + Insert(0x20, 0x7e, pWidthArray); + break; + case FXFONT_SHIFTJIS_CHARSET: + cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H"; + ordering = "Japan1"; + supplement = 5; + pWidthArray->AddInteger(231); + Insert(0x20, 0x7d, pWidthArray); + pWidthArray->AddInteger(326); + Insert(0xa0, 0xa0, pWidthArray); + pWidthArray->AddInteger(327); + Insert(0xa1, 0xdf, pWidthArray); + pWidthArray->AddInteger(631); + Insert(0x7e, 0x7e, pWidthArray); + break; + } + pBaseDict->SetNameFor("Subtype", "Type0"); + pBaseDict->SetNameFor("BaseFont", basefont); + pBaseDict->SetNameFor("Encoding", cmap); + pFontDict->SetFor("W", pWidthArray); + pFontDict->SetNameFor("Type", "Font"); + pFontDict->SetNameFor("Subtype", "CIDFontType2"); + pFontDict->SetNameFor("BaseFont", basefont); + CPDF_Dictionary* pCIDSysInfo = new CPDF_Dictionary(m_pByteStringPool); + pCIDSysInfo->SetStringFor("Registry", "Adobe"); + pCIDSysInfo->SetStringFor("Ordering", ordering); + pCIDSysInfo->SetIntegerFor("Supplement", supplement); + pFontDict->SetFor("CIDSystemInfo", pCIDSysInfo); + CPDF_Array* pArray = new CPDF_Array; + pBaseDict->SetFor("DescendantFonts", pArray); + pArray->AddReference(this, AddIndirectObject(pFontDict)); + return pFontDict; +} + +CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) { + if (!pFont) + return nullptr; + + bool bCJK = charset == FXFONT_CHINESEBIG5_CHARSET || + charset == FXFONT_GB2312_CHARSET || + charset == FXFONT_HANGUL_CHARSET || + charset == FXFONT_SHIFTJIS_CHARSET; + CFX_ByteString basefont = pFont->GetFamilyName(); + basefont.Replace(" ", ""); + int flags = + CalculateFlags(pFont->IsBold(), pFont->IsItalic(), pFont->IsFixedWidth(), + false, false, charset == FXFONT_SYMBOL_CHARSET); + + CPDF_Dictionary* pBaseDict = new CPDF_Dictionary(m_pByteStringPool); + pBaseDict->SetNameFor("Type", "Font"); + std::unique_ptr<CFX_UnicodeEncoding> pEncoding( + new CFX_UnicodeEncoding(pFont)); + CPDF_Dictionary* pFontDict = pBaseDict; + if (!bCJK) { + CPDF_Array* pWidths = new CPDF_Array; + for (int charcode = 32; charcode < 128; charcode++) { + int glyph_index = pEncoding->GlyphFromCharCode(charcode); + int char_width = pFont->GetGlyphWidth(glyph_index); + pWidths->AddInteger(char_width); + } + if (charset == FXFONT_ANSI_CHARSET || charset == FXFONT_DEFAULT_CHARSET || + charset == FXFONT_SYMBOL_CHARSET) { + pBaseDict->SetNameFor("Encoding", "WinAnsiEncoding"); + for (int charcode = 128; charcode <= 255; charcode++) { + int glyph_index = pEncoding->GlyphFromCharCode(charcode); + int char_width = pFont->GetGlyphWidth(glyph_index); + pWidths->AddInteger(char_width); + } + } else { + size_t i = CalculateEncodingDict(charset, pBaseDict); + if (i < FX_ArraySize(g_FX_CharsetUnicodes)) { + const uint16_t* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes; + for (int j = 0; j < 128; j++) { + int glyph_index = pEncoding->GlyphFromCharCode(pUnicodes[j]); + int char_width = pFont->GetGlyphWidth(glyph_index); + pWidths->AddInteger(char_width); + } + } + } + ProcessNonbCJK(pBaseDict, pFont->IsBold(), pFont->IsItalic(), basefont, + pWidths); + } else { + pFontDict = ProcessbCJK(pBaseDict, charset, bVert, basefont, + [pFont, &pEncoding](FX_WCHAR start, FX_WCHAR end, + CPDF_Array* widthArr) { + InsertWidthArray1(pFont, pEncoding.get(), start, + end, widthArr); + }); + } + AddIndirectObject(pBaseDict); + int italicangle = + pFont->GetSubstFont() ? pFont->GetSubstFont()->m_ItalicAngle : 0; + FX_RECT bbox; + pFont->GetBBox(bbox); + CPDF_Array* pBBox = new CPDF_Array; + pBBox->AddInteger(bbox.left); + pBBox->AddInteger(bbox.bottom); + pBBox->AddInteger(bbox.right); + pBBox->AddInteger(bbox.top); + int32_t nStemV = 0; + if (pFont->GetSubstFont()) { + nStemV = pFont->GetSubstFont()->m_Weight / 5; + } else { + static const FX_CHAR stem_chars[] = {'i', 'I', '!', '1'}; + const size_t count = FX_ArraySize(stem_chars); + uint32_t glyph = pEncoding->GlyphFromCharCode(stem_chars[0]); + nStemV = pFont->GetGlyphWidth(glyph); + for (size_t i = 1; i < count; i++) { + glyph = pEncoding->GlyphFromCharCode(stem_chars[i]); + int width = pFont->GetGlyphWidth(glyph); + if (width > 0 && width < nStemV) + nStemV = width; + } + } + CPDF_Dictionary* pFontDesc = + CalculateFontDesc(this, basefont, flags, italicangle, pFont->GetAscent(), + pFont->GetDescent(), pBBox, nStemV); + pFontDict->SetReferenceFor("FontDescriptor", this, + AddIndirectObject(pFontDesc)); + return LoadFont(pBaseDict); +} + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTW* pLogFont, + FX_BOOL bVert, + FX_BOOL bTranslateName) { + LOGFONTA lfa; + FXSYS_memcpy(&lfa, pLogFont, (char*)lfa.lfFaceName - (char*)&lfa); + CFX_ByteString face = CFX_ByteString::FromUnicode(pLogFont->lfFaceName); + if (face.GetLength() >= LF_FACESIZE) + return nullptr; + + FXSYS_strcpy(lfa.lfFaceName, face.c_str()); + return AddWindowsFont(&lfa, bVert, bTranslateName); +} + +CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTA* pLogFont, + FX_BOOL bVert, + FX_BOOL bTranslateName) { + pLogFont->lfHeight = -1000; + pLogFont->lfWidth = 0; + HGDIOBJ hFont = CreateFontIndirectA(pLogFont); + HDC hDC = CreateCompatibleDC(nullptr); + hFont = SelectObject(hDC, hFont); + int tm_size = GetOutlineTextMetrics(hDC, 0, nullptr); + if (tm_size == 0) { + hFont = SelectObject(hDC, hFont); + DeleteObject(hFont); + DeleteDC(hDC); + return nullptr; + } + + LPBYTE tm_buf = FX_Alloc(BYTE, tm_size); + OUTLINETEXTMETRIC* ptm = reinterpret_cast<OUTLINETEXTMETRIC*>(tm_buf); + GetOutlineTextMetrics(hDC, tm_size, ptm); + int flags = CalculateFlags(false, pLogFont->lfItalic != 0, + (pLogFont->lfPitchAndFamily & 3) == FIXED_PITCH, + (pLogFont->lfPitchAndFamily & 0xf8) == FF_ROMAN, + (pLogFont->lfPitchAndFamily & 0xf8) == FF_SCRIPT, + pLogFont->lfCharSet == FXFONT_SYMBOL_CHARSET); + + bool bCJK = pLogFont->lfCharSet == FXFONT_CHINESEBIG5_CHARSET || + pLogFont->lfCharSet == FXFONT_GB2312_CHARSET || + pLogFont->lfCharSet == FXFONT_HANGUL_CHARSET || + pLogFont->lfCharSet == FXFONT_SHIFTJIS_CHARSET; + CFX_ByteString basefont; + if (bTranslateName && bCJK) + basefont = FPDF_GetPSNameFromTT(hDC); + + if (basefont.IsEmpty()) + basefont = pLogFont->lfFaceName; + + int italicangle = ptm->otmItalicAngle / 10; + int ascend = ptm->otmrcFontBox.top; + int descend = ptm->otmrcFontBox.bottom; + int capheight = ptm->otmsCapEmHeight; + int bbox[4] = {ptm->otmrcFontBox.left, ptm->otmrcFontBox.bottom, + ptm->otmrcFontBox.right, ptm->otmrcFontBox.top}; + FX_Free(tm_buf); + basefont.Replace(" ", ""); + CPDF_Dictionary* pBaseDict = new CPDF_Dictionary(m_pByteStringPool); + pBaseDict->SetNameFor("Type", "Font"); + CPDF_Dictionary* pFontDict = pBaseDict; + if (!bCJK) { + if (pLogFont->lfCharSet == FXFONT_ANSI_CHARSET || + pLogFont->lfCharSet == FXFONT_DEFAULT_CHARSET || + pLogFont->lfCharSet == FXFONT_SYMBOL_CHARSET) { + pBaseDict->SetNameFor("Encoding", "WinAnsiEncoding"); + } else { + CalculateEncodingDict(pLogFont->lfCharSet, pBaseDict); + } + int char_widths[224]; + GetCharWidth(hDC, 32, 255, char_widths); + CPDF_Array* pWidths = new CPDF_Array; + for (size_t i = 0; i < 224; i++) + pWidths->AddInteger(char_widths[i]); + ProcessNonbCJK(pBaseDict, pLogFont->lfWeight > FW_MEDIUM, + pLogFont->lfItalic != 0, basefont, pWidths); + } else { + pFontDict = + ProcessbCJK(pBaseDict, pLogFont->lfCharSet, bVert, basefont, + [&hDC](FX_WCHAR start, FX_WCHAR end, CPDF_Array* widthArr) { + InsertWidthArray(hDC, start, end, widthArr); + }); + } + AddIndirectObject(pBaseDict); + CPDF_Array* pBBox = new CPDF_Array; + for (int i = 0; i < 4; i++) + pBBox->AddInteger(bbox[i]); + CPDF_Dictionary* pFontDesc = + CalculateFontDesc(this, basefont, flags, italicangle, ascend, descend, + pBBox, pLogFont->lfWeight / 5); + pFontDesc->SetIntegerFor("CapHeight", capheight); + pFontDict->SetReferenceFor("FontDescriptor", this, + AddIndirectObject(pFontDesc)); + hFont = SelectObject(hDC, hFont); + DeleteObject(hFont); + DeleteDC(hDC); + return LoadFont(pBaseDict); +} +#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |