// 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/fpdf_parser/include/cpdf_document.h"
#include <set>
#include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h"
#include "core/fpdfapi/fpdf_page/cpdf_pagemodule.h"
#include "core/fpdfapi/fpdf_page/pageint.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_parser.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_reference.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
#include "core/fpdfapi/fpdf_render/render_int.h"
#include "core/fpdfapi/include/cpdf_modulemgr.h"
#include "core/fxge/include/fx_font.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},
};
#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);
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);
}
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_
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
struct FX_LANG2CS {
uint32_t uLang;
uint8_t uCharset;
};
const FX_LANG2CS gs_FXLang2CharsetTable[] = {
{3109, 0}, {3121, 178}, {3129, 162}, {3139, 204}, {3141, 204},
{3166, 0}, {3184, 238}, {3197, 0}, {3201, 0}, {3239, 161},
{3241, 0}, {3246, 0}, {3247, 186}, {3248, 0}, {3259, 178},
{3267, 0}, {3273, 0}, {3276, 0}, {3301, 0}, {3310, 1},
{3325, 177}, {3329, 1}, {3338, 238}, {3341, 238}, {3345, 1},
{3355, 0}, {3370, 0}, {3371, 0}, {3383, 128}, {3424, 204},
{3427, 1}, {3428, 129}, {3436, 178}, {3464, 186}, {3466, 186},
{3486, 204}, {3487, 0}, {3493, 1}, {3494, 0}, {3508, 0},
{3518, 0}, {3520, 0}, {3569, 1}, {3580, 238}, {3588, 0},
{3645, 238}, {3651, 204}, {3672, 238}, {3673, 238}, {3678, 238},
{3679, 238}, {3683, 0}, {3684, 0}, {3693, 1}, {3697, 1},
{3700, 222}, {3710, 162}, {3734, 204}, {3741, 178}, {3749, 162},
{3763, 163}, {3886, 134}, {105943, 0}, {106375, 1}, {3923451837, 134},
{3923451838, 136},
};
uint32_t FX_GetLangHashCode(const FX_CHAR* pStr) {
ASSERT(pStr);
int32_t iLength = FXSYS_strlen(pStr);
const FX_CHAR* pStrEnd = pStr + iLength;
uint32_t uHashCode = 0;
while (pStr < pStrEnd)
uHashCode = 31 * uHashCode + tolower(*pStr++);
return uHashCode;
}
uint8_t FX_GetCsFromLangCode(uint32_t uCode) {
int32_t iStart = 0;
int32_t iEnd = FX_ArraySize(gs_FXLang2CharsetTable) - 1;
while (iStart <= iEnd) {
int32_t iMid = (iStart + iEnd) / 2;
const FX_LANG2CS& charset = gs_FXLang2CharsetTable[iMid];
if (uCode == charset.uLang)
return charset.uCharset;
if (uCode < charset.uLang)
iEnd = iMid - 1;
else
iStart = iMid + 1;
}
return FXFONT_ANSI_CHARSET;
}
uint8_t FX_GetCharsetFromLang(const FX_CHAR* pLang, int32_t iLength) {
ASSERT(pLang);
if (iLength < 0)
iLength = FXSYS_strlen(pLang);
uint32_t uHash = FX_GetLangHashCode(pLang);
return FX_GetCsFromLangCode(uHash);
}
void CFString2CFXByteString(CFStringRef src, CFX_ByteString& dest) {
SInt32 len = CFStringGetLength(src);
CFRange range = CFRangeMake(0, len);
CFIndex used = 0;
UInt8* pBuffer = (UInt8*)calloc(len + 1, sizeof(UInt8));
CFStringGetBytes(src, range, kCFStringEncodingASCII, 0, false, pBuffer, len,
&used);
dest = (FX_CHAR*)pBuffer;
free(pBuffer);
}
bool HasCharSet(CFArrayRef languages, const std::vector<uint8_t>& charsets) {
for (int i = 0; i < CFArrayGetCount(languages); ++i) {
CFStringRef language = (CFStringRef)CFArrayGetValueAtIndex(languages, i);
uint8_t charset = FX_GetCharsetFromLang(
CFStringGetCStringPtr(language, kCFStringEncodingMacRoman), -1);
if (pdfium::ContainsValue(charsets, charset))
return true;
}
return false;
}
void FX_GetCharWidth(CTFontRef font, UniChar start, UniChar end, int* width) {
CGFloat size = CTFontGetSize(font);
for (; start <= end; ++start) {
CGGlyph pGlyph = 0;
CFIndex count = 1;
CTFontGetGlyphsForCharacters(font, &start, &pGlyph, count);
CGSize advances;
CTFontGetAdvancesForGlyphs(font, kCTFontDefaultOrientation, &pGlyph,
&advances, 1);
*width = (int)(advances.width / size * 1000);
width++;
}
}
void InsertWidthArray(CTFontRef font,
int start,
int end,
CPDF_Array* pWidthArray) {
int size = end - start + 1;
int* widths = FX_Alloc(int, size);
FX_GetCharWidth(font, start, end, widths);
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);
}
#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
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);
}
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);
}
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->GetArrayBy("Kids");
if (!pKidList)
return -1;
for (size_t i = 0; i < pKidList->GetCount(); i++) {
CPDF_Dictionary* pKid = pKidList->GetDictAt(i);
if (pKid->GetStringBy("Type") == "Page") {
if (nPagesToGo == 0) {
if (bInsert) {
pKidList->InsertAt(i, new CPDF_Reference(pDoc, pPage->GetObjNum()));
pPage->SetAtReference("Parent", pDoc, pPages->GetObjNum());
} else {
pKidList->RemoveAt(i);
}
pPages->SetAtInteger(
"Count", pPages->GetIntegerBy("Count") + (bInsert ? 1 : -1));
return 1;
}
nPagesToGo--;
} else {
int nPages = pKid->GetIntegerBy("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->SetAtInteger(
"Count", pPages->GetIntegerBy("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();
if (!pRoot)
return -1;
CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages");
if (!pPages)
return -1;
int nPages = pDoc->GetPageCount();
if (iPage < 0 || iPage > nPages)
return -1;
if (iPage == nPages) {
CPDF_Array* pPagesList = pPages->GetArrayBy("Kids");
if (!pPagesList) {
pPagesList = new CPDF_Array;
pPages->SetAt("Kids", pPagesList);
}
pPagesList->Add(pPageDict, pDoc);
pPages->SetAtInteger("Count", nPages + 1);
pPageDict->SetAtReference("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->GetIntegerBy("Count");
if (count > 0 && count < FPDF_PAGE_MAX_NUM) {
return count;
}
CPDF_Array* pKidList = pPages->GetArrayBy("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->SetAtInteger("Count", count);
return count;
}
} // namespace
CPDF_Document::CPDF_Document(CPDF_Parser* pParser)
: CPDF_IndirectObjectHolder(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)) {}
CPDF_Document::~CPDF_Document() {
delete m_pDocPage;
CPDF_ModuleMgr::Get()->GetPageModule()->ClearStockFont(this);
}
void CPDF_Document::LoadDoc() {
m_LastObjNum = m_pParser->GetLastObjNum();
CPDF_Object* pRootObj = GetIndirectObject(m_pParser->GetRootObjNum());
if (!pRootObj) {
return;
}
m_pRootDict = pRootObj->GetDict();
if (!m_pRootDict) {
return;
}
CPDF_Object* pInfoObj = GetIndirectObject(m_pParser->GetInfoObjNum());
if (pInfoObj) {
m_pInfoDict = pInfoObj->GetDict();
}
CPDF_Array* pIDArray = m_pParser->GetIDArray();
if (pIDArray) {
m_ID1 = pIDArray->GetStringAt(0);
m_ID2 = pIDArray->GetStringAt(1);
}
m_PageList.SetSize(RetrievePageCount());
}
void CPDF_Document::LoadAsynDoc(CPDF_Dictionary* pLinearized) {
m_bLinearized = true;
m_LastObjNum = m_pParser->GetLastObjNum();
CPDF_Object* pIndirectObj = GetIndirectObject(m_pParser->GetRootObjNum());
m_pRootDict = pIndirectObj ? pIndirectObj->GetDict() : nullptr;
if (!m_pRootDict) {
return;
}
pIndirectObj = GetIndirectObject(m_pParser->GetInfoObjNum());
m_pInfoDict = pIndirectObj ? pIndirectObj->GetDict() : nullptr;
CPDF_Array* pIDArray = m_pParser->GetIDArray();
if (pIDArray) {
m_ID1 = pIDArray->GetStringAt(0);
m_ID2 = pIDArray->GetStringAt(1);
}
uint32_t dwPageCount = 0;
CPDF_Object* pCount = pLinearized->GetObjectBy("N");
if (ToNumber(pCount))
dwPageCount = pCount->GetInteger();
m_PageList.SetSize(dwPageCount);
CPDF_Object* pNo = pLinearized->GetObjectBy("P");
if (ToNumber(pNo))
m_iFirstPageNo = pNo->GetInteger();
CPDF_Object* pObjNum = pLinearized->GetObjectBy("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->GetArrayBy("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->GetIntegerBy("Count");
if (nPagesToGo < nPages) {
return FindPDFPage(pKid, iPage, nPagesToGo, level + 1);
}
nPagesToGo -= nPages;
}
}
return nullptr;
}
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(GetIndirectObject(m_dwFirstPageObjNum))) {
return pDict;
}
}
int objnum = m_PageList.GetAt(iPage);
if (objnum) {
if (CPDF_Dictionary* pDict = ToDictionary(GetIndirectObject(objnum)))
return pDict;
}
CPDF_Dictionary* pRoot = GetRoot();
if (!pRoot)
return nullptr;
CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages");
if (!pPages)
return nullptr;
CPDF_Dictionary* pPage = FindPDFPage(pPages, iPage, iPage, 0);
if (!pPage)
return nullptr;
m_PageList.SetAt(iPage, pPage->GetObjNum());
return pPage;
}
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->GetArrayBy("Kids");
if (!pKidList)
return -1;
if (level >= FX_MAX_PAGE_LEVEL)
return -1;
size_t count = pNode->GetIntegerBy("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* pRoot = GetRoot();
if (!pRoot)
return -1;
CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages");
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* pRoot = GetRoot();
if (!pRoot)
return 0;
CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages");
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();
}
FX_BOOL CPDF_Document::IsFormStream(uint32_t objnum, FX_BOOL& bForm) const {
auto it = m_IndirectObjs.find(objnum);
if (it != m_IndirectObjs.end()) {
CPDF_Stream* pStream = it->second->AsStream();
bForm = pStream && pStream->GetDict()->GetStringBy("Subtype") == "Form";
return TRUE;
}
if (!m_pParser) {
bForm = FALSE;
return TRUE;
}
return m_pParser->IsFormStream(objnum, bForm);
}
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::RemoveColorSpaceFromPageData(CPDF_Object* pCSObj) {
if (pCSObj)
GetPageData()->ReleaseColorSpace(pCSObj);
}
void CPDF_Document::ClearPageData() {
GetPageData()->Clear(FALSE);
}
void CPDF_Document::ClearRenderData() {
m_pDocRender->Clear(FALSE);
}
void CPDF_Document::ClearRenderFont() {
CFX_FontCache* pCache = m_pDocRender->GetFontCache();
if (pCache)
pCache->FreeCache(FALSE);
}
void CPDF_Document::CreateNewDoc() {
ASSERT(!m_pRootDict && !m_pInfoDict);
m_pRootDict = new CPDF_Dictionary;
m_pRootDict->SetAtName("Type", "Catalog");
int objnum = AddIndirectObject(m_pRootDict);
CPDF_Dictionary* pPages = new CPDF_Dictionary;
pPages->SetAtName("Type", "Pages");
pPages->SetAtNumber("Count", 0);
pPages->SetAt("Kids", new CPDF_Array);
objnum = AddIndirectObject(pPages);
m_pRootDict->SetAtReference("Pages", this, objnum);
m_pInfoDict = new CPDF_Dictionary;
AddIndirectObject(m_pInfoDict);
}
CPDF_Dictionary* CPDF_Document::CreateNewPage(int iPage) {
CPDF_Dictionary* pDict = new CPDF_Dictionary;
pDict->SetAtName("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* pRoot = GetRoot();
if (!pRoot)
return;
CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages");
if (!pPages)
return;
int nPages = pPages->GetIntegerBy("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);
}
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_HANGEUL_CHARSET ||
charset == FXFONT_SHIFTJIS_CHARSET;
CFX_ByteString basefont = pFont->GetFamilyName();
basefont.Replace(" ", "");
int flags = 0;
if (pFont->IsBold())
flags |= PDFFONT_FORCEBOLD;
if (pFont->IsItalic())
flags |= PDFFONT_ITALIC;
if (pFont->IsFixedWidth())
flags |= PDFFONT_FIXEDPITCH;
CPDF_Dictionary* pBaseDict = new CPDF_Dictionary;
pBaseDict->SetAtName("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) {
if (charset == FXFONT_SYMBOL_CHARSET) {
flags |= PDFFONT_SYMBOLIC;
} else {
flags |= PDFFONT_NONSYMBOLIC;
}
pBaseDict->SetAtName("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 {
flags |= PDFFONT_NONSYMBOLIC;
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)) {
CPDF_Dictionary* pEncodingDict = new CPDF_Dictionary;
pEncodingDict->SetAtName("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);
int glyph_index = pEncoding->GlyphFromCharCode(pUnicodes[j]);
int char_width = pFont->GetGlyphWidth(glyph_index);
pWidths->AddInteger(char_width);
}
pEncodingDict->SetAt("Differences", pArray);
AddIndirectObject(pEncodingDict);
pBaseDict->SetAtReference("Encoding", this, pEncodingDict);
}
}
if (pFont->IsBold() && pFont->IsItalic())
basefont += ",BoldItalic";
else if (pFont->IsBold())
basefont += ",Bold";
else if (pFont->IsItalic())
basefont += ",Italic";
pBaseDict->SetAtName("Subtype", "TrueType");
pBaseDict->SetAtName("BaseFont", basefont);
pBaseDict->SetAtNumber("FirstChar", 32);
pBaseDict->SetAtNumber("LastChar", 255);
pBaseDict->SetAt("Widths", pWidths);
} else {
flags |= PDFFONT_NONSYMBOLIC;
pFontDict = new CPDF_Dictionary;
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);
InsertWidthArray1(pFont, pEncoding.get(), 0x20, 0x7e, pWidthArray);
break;
case FXFONT_GB2312_CHARSET:
cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H";
ordering = "GB1";
supplement = 2;
pWidthArray->AddInteger(7716);
InsertWidthArray1(pFont, pEncoding.get(), 0x20, 0x20, pWidthArray);
pWidthArray->AddInteger(814);
InsertWidthArray1(pFont, pEncoding.get(), 0x21, 0x7e, pWidthArray);
break;
case FXFONT_HANGEUL_CHARSET:
cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H";
ordering = "Korea1";
supplement = 2;
pWidthArray->AddInteger(1);
InsertWidthArray1(pFont, pEncoding.get(), 0x20, 0x7e, pWidthArray);
break;
case FXFONT_SHIFTJIS_CHARSET:
cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H";
ordering = "Japan1";
supplement = 5;
pWidthArray->AddInteger(231);
InsertWidthArray1(pFont, pEncoding.get(), 0x20, 0x7d, pWidthArray);
pWidthArray->AddInteger(326);
InsertWidthArray1(pFont, pEncoding.get(), 0xa0, 0xa0, pWidthArray);
pWidthArray->AddInteger(327);
InsertWidthArray1(pFont, pEncoding.get(), 0xa1, 0xdf, pWidthArray);
pWidthArray->AddInteger(631);
InsertWidthArray1(pFont, pEncoding.get(), 0x7e, 0x7e, pWidthArray);
break;
}
pBaseDict->SetAtName("Subtype", "Type0");
pBaseDict->SetAtName("BaseFont", basefont);
pBaseDict->SetAtName("Encoding", cmap);
pFontDict->SetAt("W", pWidthArray);
pFontDict->SetAtName("Type", "Font");
pFontDict->SetAtName("Subtype", "CIDFontType2");
pFontDict->SetAtName("BaseFont", basefont);
CPDF_Dictionary* pCIDSysInfo = new CPDF_Dictionary;
pCIDSysInfo->SetAtString("Registry", "Adobe");
pCIDSysInfo->SetAtString("Ordering", ordering);
pCIDSysInfo->SetAtInteger("Supplement", supplement);
pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
CPDF_Array* pArray = new CPDF_Array;
pBaseDict->SetAt("DescendantFonts", pArray);
AddIndirectObject(pFontDict);
pArray->AddReference(this, pFontDict);
}
AddIndirectObject(pBaseDict);
CPDF_Dictionary* pFontDesc = new CPDF_Dictionary;
pFontDesc->SetAtName("Type", "FontDescriptor");
pFontDesc->SetAtName("FontName", basefont);
pFontDesc->SetAtInteger("Flags", flags);
pFontDesc->SetAtInteger(
"ItalicAngle",
pFont->GetSubstFont() ? pFont->GetSubstFont()->m_ItalicAngle : 0);
pFontDesc->SetAtInteger("Ascent", pFont->GetAscent());
pFontDesc->SetAtInteger("Descent", pFont->GetDescent());
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);
pFontDesc->SetAt("FontBBox", pBBox);
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;
}
}
}
pFontDesc->SetAtInteger("StemV", nStemV);
AddIndirectObject(pFontDesc);
pFontDict->SetAtReference("FontDescriptor", this, 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 = (OUTLINETEXTMETRIC*)tm_buf;
GetOutlineTextMetrics(hDC, tm_size, ptm);
int flags = 0, italicangle, ascend, descend, capheight, bbox[4];
if (pLogFont->lfItalic)
flags |= PDFFONT_ITALIC;
if ((pLogFont->lfPitchAndFamily & 3) == FIXED_PITCH)
flags |= PDFFONT_FIXEDPITCH;
if ((pLogFont->lfPitchAndFamily & 0xf8) == FF_ROMAN)
flags |= PDFFONT_SERIF;
if ((pLogFont->lfPitchAndFamily & 0xf8) == FF_SCRIPT)
flags |= PDFFONT_SCRIPT;
bool bCJK = pLogFont->lfCharSet == CHINESEBIG5_CHARSET ||
pLogFont->lfCharSet == GB2312_CHARSET ||
pLogFont->lfCharSet == HANGEUL_CHARSET ||
pLogFont->lfCharSet == SHIFTJIS_CHARSET;
CFX_ByteString basefont;
if (bTranslateName && bCJK)
basefont = FPDF_GetPSNameFromTT(hDC);
if (basefont.IsEmpty())
basefont = pLogFont->lfFaceName;
italicangle = ptm->otmItalicAngle / 10;
ascend = ptm->otmrcFontBox.top;
descend = ptm->otmrcFontBox.bottom;
capheight = ptm->otmsCapEmHeight;
bbox[0] = ptm->otmrcFontBox.left;
bbox[1] = ptm->otmrcFontBox.bottom;
bbox[2] = ptm->otmrcFontBox.right;
bbox[3] = ptm->otmrcFontBox.top;
FX_Free(tm_buf);
basefont.Replace(" ", "");
CPDF_Dictionary* pBaseDict = new CPDF_Dictionary;
pBaseDict->SetAtName("Type", "Font");
CPDF_Dictionary* pFontDict = pBaseDict;
if (!bCJK) {
if (pLogFont->lfCharSet == ANSI_CHARSET ||
pLogFont->lfCharSet == DEFAULT_CHARSET ||
pLogFont->lfCharSet == SYMBOL_CHARSET) {
if (pLogFont->lfCharSet == SYMBOL_CHARSET)
flags |= PDFFONT_SYMBOLIC;
else
flags |= PDFFONT_NONSYMBOLIC;
pBaseDict->SetAtName("Encoding", "WinAnsiEncoding");
} else {
flags |= PDFFONT_NONSYMBOLIC;
size_t i;
for (i = 0; i < FX_ArraySize(g_FX_CharsetUnicodes); ++i) {
if (g_FX_CharsetUnicodes[i].m_Charset == pLogFont->lfCharSet)
break;
}
if (i < FX_ArraySize(g_FX_CharsetUnicodes)) {
CPDF_Dictionary* pEncoding = new CPDF_Dictionary;
pEncoding->SetAtName("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);
}
pEncoding->SetAt("Differences", pArray);
AddIndirectObject(pEncoding);
pBaseDict->SetAtReference("Encoding", this, pEncoding);
}
}
if (pLogFont->lfWeight > FW_MEDIUM && pLogFont->lfItalic)
basefont += ",BoldItalic";
else if (pLogFont->lfWeight > FW_MEDIUM)
basefont += ",Bold";
else if (pLogFont->lfItalic)
basefont += ",Italic";
pBaseDict->SetAtName("Subtype", "TrueType");
pBaseDict->SetAtName("BaseFont", basefont);
pBaseDict->SetAtNumber("FirstChar", 32);
pBaseDict->SetAtNumber("LastChar", 255);
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]);
pBaseDict->SetAt("Widths", pWidths);
} else {
flags |= PDFFONT_NONSYMBOLIC;
pFontDict = new CPDF_Dictionary;
CFX_ByteString cmap;
CFX_ByteString ordering;
int supplement = 0;
CPDF_Array* pWidthArray = new CPDF_Array;
switch (pLogFont->lfCharSet) {
case CHINESEBIG5_CHARSET:
cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H";
ordering = "CNS1";
supplement = 4;
pWidthArray->AddInteger(1);
InsertWidthArray(hDC, 0x20, 0x7e, pWidthArray);
break;
case GB2312_CHARSET:
cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H";
ordering = "GB1", supplement = 2;
pWidthArray->AddInteger(7716);
InsertWidthArray(hDC, 0x20, 0x20, pWidthArray);
pWidthArray->AddInteger(814);
InsertWidthArray(hDC, 0x21, 0x7e, pWidthArray);
break;
case HANGEUL_CHARSET:
cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H";
ordering = "Korea1";
supplement = 2;
pWidthArray->AddInteger(1);
InsertWidthArray(hDC, 0x20, 0x7e, pWidthArray);
break;
case SHIFTJIS_CHARSET:
cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H";
ordering = "Japan1";
supplement = 5;
pWidthArray->AddInteger(231);
InsertWidthArray(hDC, 0x20, 0x7d, pWidthArray);
pWidthArray->AddInteger(326);
InsertWidthArray(hDC, 0xa0, 0xa0, pWidthArray);
pWidthArray->AddInteger(327);
InsertWidthArray(hDC, 0xa1, 0xdf, pWidthArray);
pWidthArray->AddInteger(631);
InsertWidthArray(hDC, 0x7e, 0x7e, pWidthArray);
break;
}
pBaseDict->SetAtName("Subtype", "Type0");
pBaseDict->SetAtName("BaseFont", basefont);
pBaseDict->SetAtName("Encoding", cmap);
pFontDict->SetAt("W", pWidthArray);
pFontDict->SetAtName("Type", "Font");
pFontDict->SetAtName("Subtype", "CIDFontType2");
pFontDict->SetAtName("BaseFont", basefont);
CPDF_Dictionary* pCIDSysInfo = new CPDF_Dictionary;
pCIDSysInfo->SetAtString("Registry", "Adobe");
pCIDSysInfo->SetAtString("Ordering", ordering);
pCIDSysInfo->SetAtInteger("Supplement", supplement);
pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
CPDF_Array* pArray = new CPDF_Array;
pBaseDict->SetAt("DescendantFonts", pArray);
AddIndirectObject(pFontDict);
pArray->AddReference(this, pFontDict);
}
AddIndirectObject(pBaseDict);
CPDF_Dictionary* pFontDesc = new CPDF_Dictionary;
pFontDesc->SetAtName("Type", "FontDescriptor");
pFontDesc->SetAtName("FontName", basefont);
pFontDesc->SetAtInteger("Flags", flags);
CPDF_Array* pBBox = new CPDF_Array;
for (int i = 0; i < 4; i++) {
pBBox->AddInteger(bbox[i]);
}
pFontDesc->SetAt("FontBBox", pBBox);
pFontDesc->SetAtInteger("ItalicAngle", italicangle);
pFontDesc->SetAtInteger("Ascent", ascend);
pFontDesc->SetAtInteger("Descent", descend);
pFontDesc->SetAtInteger("CapHeight", capheight);
pFontDesc->SetAtInteger("StemV", pLogFont->lfWeight / 5);
AddIndirectObject(pFontDesc);
pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
hFont = SelectObject(hDC, hFont);
DeleteObject(hFont);
DeleteDC(hDC);
return LoadFont(pBaseDict);
}
#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
CPDF_Font* CPDF_Document::AddMacFont(CTFontRef pFont,
FX_BOOL bVert,
FX_BOOL bTranslateName) {
CTFontRef font = (CTFontRef)pFont;
CTFontDescriptorRef descriptor = CTFontCopyFontDescriptor(font);
if (!descriptor)
return nullptr;
CFArrayRef languages = (CFArrayRef)CTFontDescriptorCopyAttribute(
descriptor, kCTFontLanguagesAttribute);
if (!languages) {
CFRelease(descriptor);
return nullptr;
}
bool bCJK =
HasCharSet(languages, {FXFONT_CHINESEBIG5_CHARSET, FXFONT_GB2312_CHARSET,
FXFONT_HANGEUL_CHARSET, FXFONT_SHIFTJIS_CHARSET});
CFRelease(descriptor);
CFDictionaryRef traits = (CFDictionaryRef)CTFontCopyTraits(font);
if (!traits) {
CFRelease(languages);
return nullptr;
}
CFNumberRef sybolicTrait =
(CFNumberRef)CFDictionaryGetValue(traits, kCTFontSymbolicTrait);
CTFontSymbolicTraits trait = 0;
CFNumberGetValue(sybolicTrait, kCFNumberSInt32Type, &trait);
int flags = 0;
if (trait & kCTFontItalicTrait)
flags |= PDFFONT_ITALIC;
if (trait & kCTFontMonoSpaceTrait)
flags |= PDFFONT_FIXEDPITCH;
if (trait & kCTFontModernSerifsClass)
flags |= PDFFONT_SERIF;
if (trait & kCTFontScriptsClass)
flags |= PDFFONT_SCRIPT;
CFNumberRef weightTrait =
(CFNumberRef)CFDictionaryGetValue(traits, kCTFontWeightTrait);
Float32 weight = 0;
CFNumberGetValue(weightTrait, kCFNumberFloat32Type, &weight);
int italicangle = CTFontGetSlantAngle(font);
int ascend = CTFontGetAscent(font);
int descend = CTFontGetDescent(font);
int capheight = CTFontGetCapHeight(font);
CGRect box = CTFontGetBoundingBox(font);
int bbox[4];
bbox[0] = box.origin.x;
bbox[1] = box.origin.y;
bbox[2] = box.origin.x + box.size.width;
bbox[3] = box.origin.y + box.size.height;
CFX_ByteString basefont;
if (bTranslateName && bCJK) {
CFStringRef postName = CTFontCopyPostScriptName(font);
CFString2CFXByteString(postName, basefont);
CFRelease(postName);
}
if (basefont.IsEmpty()) {
CFStringRef fullName = CTFontCopyFullName(font);
CFString2CFXByteString(fullName, basefont);
CFRelease(fullName);
}
basefont.Replace(" ", "");
CPDF_Dictionary* pBaseDict = new CPDF_Dictionary;
CPDF_Dictionary* pFontDict = pBaseDict;
if (!bCJK) {
if (HasCharSet(languages, {FXFONT_ANSI_CHARSET, FXFONT_DEFAULT_CHARSET,
FXFONT_SYMBOL_CHARSET})) {
if (HasCharSet(languages, {FXFONT_SYMBOL_CHARSET})) {
flags |= PDFFONT_SYMBOLIC;
} else {
flags |= PDFFONT_NONSYMBOLIC;
}
pBaseDict->SetAtName("Encoding", "WinAnsiEncoding");
} else {
flags |= PDFFONT_NONSYMBOLIC;
size_t i;
for (i = 0; i < FX_ArraySize(g_FX_CharsetUnicodes); ++i) {
if (HasCharSet(languages, {g_FX_CharsetUnicodes[i].m_Charset}))
break;
}
if (i < FX_ArraySize(g_FX_CharsetUnicodes)) {
CPDF_Dictionary* pEncoding = new CPDF_Dictionary;
pEncoding->SetAtName("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);
}
pEncoding->SetAt("Differences", pArray);
AddIndirectObject(pEncoding);
pBaseDict->SetAtReference("Encoding", this, pEncoding);
}
}
if (weight > 0.0 && trait & kCTFontItalicTrait)
basefont += ",BoldItalic";
else if (weight > 0.0)
basefont += ",Bold";
else if (trait & kCTFontItalicTrait)
basefont += ",Italic";
pBaseDict->SetAtName("Subtype", "TrueType");
pBaseDict->SetAtName("BaseFont", basefont);
pBaseDict->SetAtNumber("FirstChar", 32);
pBaseDict->SetAtNumber("LastChar", 255);
int char_widths[224];
FX_GetCharWidth(font, 32, 255, char_widths);
CPDF_Array* pWidths = new CPDF_Array;
for (int i = 0; i < 224; i++)
pWidths->AddInteger(char_widths[i]);
pBaseDict->SetAt("Widths", pWidths);
} else {
flags |= PDFFONT_NONSYMBOLIC;
CFX_ByteString cmap;
CFX_ByteString ordering;
int supplement;
bool bFound = false;
CPDF_Array* pWidthArray = new CPDF_Array;
if (HasCharSet(languages, {FXFONT_CHINESEBIG5_CHARSET})) {
cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H";
ordering = "CNS1";
supplement = 4;
pWidthArray->AddInteger(1);
InsertWidthArray(font, 0x20, 0x7e, pWidthArray);
bFound = true;
}
if (!bFound && HasCharSet(languages, {FXFONT_GB2312_CHARSET})) {
cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H";
ordering = "GB1", supplement = 2;
pWidthArray->AddInteger(7716);
InsertWidthArray(font, 0x20, 0x20, pWidthArray);
pWidthArray->AddInteger(814);
InsertWidthArray(font, 0x21, 0x7e, pWidthArray);
bFound = true;
}
if (!bFound && HasCharSet(languages, {FXFONT_HANGEUL_CHARSET})) {
cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H";
ordering = "Korea1";
supplement = 2;
pWidthArray->AddInteger(1);
InsertWidthArray(font, 0x20, 0x7e, pWidthArray);
bFound = true;
}
if (!bFound && HasCharSet(languages, {FXFONT_SHIFTJIS_CHARSET})) {
cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H";
ordering = "Japan1";
supplement = 5;
pWidthArray->AddInteger(231);
InsertWidthArray(font, 0x20, 0x7d, pWidthArray);
pWidthArray->AddInteger(326);
InsertWidthArray(font, 0xa0, 0xa0, pWidthArray);
pWidthArray->AddInteger(327);
InsertWidthArray(font, 0xa1, 0xdf, pWidthArray);
pWidthArray->AddInteger(631);
InsertWidthArray(font, 0x7e, 0x7e, pWidthArray);
}
pBaseDict->SetAtName("Subtype", "Type0");
pBaseDict->SetAtName("BaseFont", basefont);
pBaseDict->SetAtName("Encoding", cmap);
pFontDict = new CPDF_Dictionary;
pFontDict->SetAt("W", pWidthArray);
pFontDict->SetAtName("Type", "Font");
pFontDict->SetAtName("Subtype", "CIDFontType2");
pFontDict->SetAtName("BaseFont", basefont);
CPDF_Dictionary* pCIDSysInfo = new CPDF_Dictionary;
pCIDSysInfo->SetAtString("Registry", "Adobe");
pCIDSysInfo->SetAtString("Ordering", ordering);
pCIDSysInfo->SetAtInteger("Supplement", supplement);
pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
CPDF_Array* pArray = new CPDF_Array;
pBaseDict->SetAt("DescendantFonts", pArray);
AddIndirectObject(pFontDict);
pArray->AddReference(this, pFontDict);
}
AddIndirectObject(pBaseDict);
CPDF_Dictionary* pFontDesc = new CPDF_Dictionary;
pFontDesc->SetAtName("Type", "FontDescriptor");
pFontDesc->SetAtName("FontName", basefont);
pFontDesc->SetAtInteger("Flags", flags);
CPDF_Array* pBBox = new CPDF_Array;
for (int i = 0; i < 4; i++)
pBBox->AddInteger(bbox[i]);
pFontDesc->SetAt("FontBBox", pBBox);
pFontDesc->SetAtInteger("ItalicAngle", italicangle);
pFontDesc->SetAtInteger("Ascent", ascend);
pFontDesc->SetAtInteger("Descent", descend);
pFontDesc->SetAtInteger("CapHeight", capheight);
CGFloat fStemV = 0;
int16_t min_width = SHRT_MAX;
static const UniChar stem_chars[] = {'i', 'I', '!', '1'};
CGGlyph glyphs[FX_ArraySize(stem_chars)];
CGRect boundingRects[FX_ArraySize(stem_chars)];
const size_t count = FX_ArraySize(stem_chars);
if (CTFontGetGlyphsForCharacters(font, stem_chars, glyphs, count)) {
CTFontGetBoundingRectsForGlyphs(font, kCTFontHorizontalOrientation, glyphs,
boundingRects, count);
for (size_t i = 0; i < count; i++) {
int16_t width = boundingRects[i].size.width;
if (width > 0 && width < min_width) {
min_width = width;
fStemV = min_width;
}
}
}
pFontDesc->SetAtInteger("StemV", fStemV);
AddIndirectObject(pFontDesc);
pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
CFRelease(traits);
CFRelease(languages);
return LoadFont(pBaseDict);
}
#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_