+++ /dev/null
-/*
- * Copyright © 2018 Ebrahim Byagowi
- *
- * This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- */
-
-#include "hb-static.cc"
-#include <stdio.h>
-#include <stdlib.h>
-#include "hb-open-type-private.hh"
-
-template <typename Type, int Bytes> struct LEInt;
-
-template <typename Type>
-struct LEInt<Type, 1>
-{
- public:
- inline void set (Type V)
- {
- v = V;
- }
- inline operator Type (void) const
- {
- return v;
- }
- private: uint8_t v;
-};
-template <typename Type>
-struct LEInt<Type, 2>
-{
- public:
- inline void set (Type V)
- {
- v[1] = (V >> 8) & 0xFF;
- v[0] = (V ) & 0xFF;
- }
- inline operator Type (void) const
- {
- return (v[1] << 8)
- + (v[0] );
- }
- private: uint8_t v[2];
-};
-template <typename Type>
-struct LEInt<Type, 3>
-{
- public:
- inline void set (Type V)
- {
- v[2] = (V >> 16) & 0xFF;
- v[1] = (V >> 8) & 0xFF;
- v[0] = (V ) & 0xFF;
- }
- inline operator Type (void) const
- {
- return (v[2] << 16)
- + (v[1] << 8)
- + (v[0] );
- }
- private: uint8_t v[3];
-};
-template <typename Type>
-struct LEInt<Type, 4>
-{
- public:
- inline void set (Type V)
- {
- v[3] = (V >> 24) & 0xFF;
- v[2] = (V >> 16) & 0xFF;
- v[1] = (V >> 8) & 0xFF;
- v[0] = (V ) & 0xFF;
- }
- inline operator Type (void) const
- {
- return (v[3] << 24)
- + (v[2] << 16)
- + (v[1] << 8)
- + (v[0] );
- }
- private: uint8_t v[4];
-};
-
-template <typename Type, unsigned int Size>
-struct LEIntType
-{
- inline void set (Type i) { v.set (i); }
- inline operator Type(void) const { return v; }
- inline bool sanitize (OT::hb_sanitize_context_t *c) const
- {
- TRACE_SANITIZE (this);
- return_trace (likely (c->check_struct (this)));
- }
- protected:
- LEInt<Type, Size> v;
- public:
- DEFINE_SIZE_STATIC (Size);
-};
-
-typedef LEIntType<uint8_t, 1> LEUINT8; /* 8-bit unsigned integer. */
-typedef LEIntType<int8_t, 1> LEINT8; /* 8-bit signed integer. */
-typedef LEIntType<uint16_t, 2> LEUINT16; /* 16-bit unsigned integer. */
-typedef LEIntType<int16_t, 2> LEINT16; /* 16-bit signed integer. */
-typedef LEIntType<uint32_t, 4> LEUINT32; /* 32-bit unsigned integer. */
-typedef LEIntType<int32_t, 4> LEINT32; /* 32-bit signed integer. */
-typedef LEIntType<uint32_t, 3> LEUINT24; /* 24-bit unsigned integer. */
-
-
-struct LE_FONTINFO16
-{
- inline bool sanitize (OT::hb_sanitize_context_t *c, unsigned int length) const
- {
- TRACE_SANITIZE (this);
- return_trace (likely (c->check_struct (this) && c->check_range (this, length)));
- }
-
- // https://msdn.microsoft.com/en-us/library/cc194829.aspx
- enum charset_t
- {
- // dfCharSet possible values and the codepage they are indicating to
- ANSI = 0x00, // 1252
- DEFAULT = 0x01, //
- SYMBOL = 0x02, //
- SHIFTJIS = 0x80, // 932
- HANGUL = 0x81, // 949
- GB2312 = 0x86, // 936
- CHINESEBIG5 = 0x88, // 950
- GREEK = 0xA1, // 1253
- TURKISH = 0xA2, // 1254
- HEBREW = 0xB1, // 1255
- ARABIC = 0xB2, // 1256
- BALTIC = 0xBA, // 1257
- RUSSIAN = 0xCC, // 1251
- THAI = 0xDE, // 874
- EE = 0xEE, // 1250
- OEM = 0xFF //
- };
-
- inline const char* get_charset() const
- {
- switch (dfCharSet) {
- case ANSI: return "ISO8859";
- case DEFAULT: return "WinDefault";
- case SYMBOL: return "Symbol";
- case SHIFTJIS: return "JISX0208.1983";
- case HANGUL: return "MSHangul";
- case GB2312: return "GB2312.1980";
- case CHINESEBIG5: return "Big5";
- case GREEK: return "CP1253";
- case TURKISH: return "CP1254";
- case HEBREW: return "CP1255";
- case ARABIC: return "CP1256";
- case BALTIC: return "CP1257";
- case RUSSIAN: return "CP1251";
- case THAI: return "CP874";
- case EE: return "CP1250";
- case OEM: return "OEM";
- default: return "Unknown";
- }
- }
-
- inline unsigned int get_version () const
- {
- return dfVersion;
- }
-
- inline unsigned int get_weight () const
- {
- return dfWeight;
- }
-
- enum weight_t {
- DONTCARE = 0,
- THIN = 100,
- EXTRALIGHT = 200,
- ULTRALIGHT = 200,
- LIGHT = 300,
- NORMAL = 400,
- REGULAR = 400,
- MEDIUM = 500,
- SEMIBOLD = 600,
- DEMIBOLD = 600,
- BOLD = 700,
- EXTRABOLD = 800,
- ULTRABOLD = 800,
- HEAVY = 900,
- BLACK = 900
- };
-
- inline void dump () const
- {
- // With https://github.com/juanitogan/mkwinfont/blob/master/python/dewinfont.py help
- // Should be implemented differently eventually, but for now
- unsigned int ctstart;
- unsigned int ctsize;
- if (dfVersion == 0x200)
- {
- ctstart = 0x76;
- ctsize = 4;
- }
- else
- {
- return; // must of ".fon"s are version 2 and even dewinfont V1 implmentation doesn't seem correct
- ctstart = 0x94;
- ctsize = 6;
- }
- // unsigned int maxwidth = 0;
- for (unsigned int i = dfFirstChar; i < dfLastChar; ++i)
- {
- unsigned int entry = ctstart + ctsize * (i-dfFirstChar);
- unsigned int w = (uint16_t) OT::StructAtOffset<LEUINT16> (this, entry);
-
- unsigned int off;
- if (ctsize == 4)
- off = (uint16_t) OT::StructAtOffset<LEUINT16> (this, entry+2);
- else
- off = (uint32_t) OT::StructAtOffset<LEUINT32> (this, entry+2);
-
- unsigned int widthbytes = (w + 7) / 8;
- for (unsigned int j = 0; j < dfPixHeight; ++j)
- {
- for (unsigned int k = 0; k < widthbytes; ++k)
- {
- unsigned int bytepos = off + k * dfPixHeight + j;
- const uint8_t b = (uint8_t) OT::StructAtOffset<LEINT8> (this, bytepos);
- for (unsigned int a = 128; a > 0; a >>= 1)
- printf (b & a ? "x" : ".");
- }
- printf ("\n");
- }
- printf ("\n\n");
- }
- }
-
- protected:
- LEUINT16 dfVersion;
- LEUINT32 dfSize;
- LEUINT8 dfCopyright[60];
- LEUINT16 dfType;
- LEUINT16 dfPoints;
- LEUINT16 dfVertRes;
- LEUINT16 dfHorizRes;
- LEUINT16 dfAscent;
- LEUINT16 dfInternalLeading;
- LEUINT16 dfExternalLeading;
- LEUINT8 dfItalic;
- LEUINT8 dfUnderline;
- LEUINT8 dfStrikeOut;
- LEUINT16 dfWeight; // see weight_t
- LEUINT8 dfCharSet; // see charset_t
- LEUINT16 dfPixWidth;
- LEUINT16 dfPixHeight;
- LEUINT8 dfPitchAndFamily;
- LEUINT16 dfAvgWidth;
- LEUINT16 dfMaxWidth;
- LEUINT8 dfFirstChar;
- LEUINT8 dfLastChar;
- LEUINT8 dfDefaultChar;
- LEUINT8 dfBreakChar;
- LEUINT16 dfWidthBytes;
- LEUINT32 dfDevice;
- LEUINT32 dfFace;
- LEUINT32 dfBitsPointer;
- LEUINT32 dfBitsOffset;
- LEUINT8 dfReserved;
-// LEUINT32 dfFlags;
-// LEUINT16 dfAspace;
-// LEUINT16 dfBspace;
-// LEUINT16 dfCspace;
-// LEUINT32 dfColorPointer;
-// LEUINT32 dfReserved1[4];
- OT::UnsizedArrayOf<LEUINT8>
- dataZ;
- public:
- DEFINE_SIZE_ARRAY (118, dataZ);
-};
-
-struct NE_NAMEINFO
-{
- friend struct NE_TYPEINFO;
-
- inline bool sanitize (OT::hb_sanitize_context_t *c, const void *base, unsigned int shift) const
- {
- TRACE_SANITIZE (this);
- return_trace (likely (c->check_struct (this) &&
- get_font (base, shift).sanitize (c, length << shift)));
- }
-
- inline const LE_FONTINFO16& get_font (const void *base, int shift) const
- {
- return OT::StructAtOffset<LE_FONTINFO16> (base, offset << shift);
- }
-
- enum resource_type_flag_t {
- NONE = 0x0000,
- MOVEABLE = 0x0010,
- PURE = 0x0020,
- PRELOAD = 0x0040
- };
-
- protected:
- LEUINT16 offset; // Should be shifted with alignmentShiftCount before use
- LEUINT16 length; // Should be shifted with alignmentShiftCount before use
- LEUINT16 flags; // resource_type_flag_t
- LEUINT16 id;
- LEUINT16 handle;
- LEUINT16 usage;
- public:
- DEFINE_SIZE_STATIC (12);
-};
-
-struct NE_TYPEINFO
-{
- inline bool sanitize (OT::hb_sanitize_context_t *c, const void *base, unsigned int shift) const
- {
- TRACE_SANITIZE (this);
- return_trace (c->check_struct (this) && resources.sanitize (c, count, base, shift));
- }
-
- inline unsigned int get_size (void) const
- { return 8 + count * NE_NAMEINFO::static_size; }
-
- inline const NE_TYPEINFO& next () const
- {
- const NE_TYPEINFO& next = OT::StructAfter<NE_TYPEINFO> (*this);
- if (type_id == 0)
- return Null(NE_TYPEINFO);
- return next;
- }
-
- inline const LE_FONTINFO16& get_font (unsigned int idx, const void *base, int shift) const
- {
- if (idx < count)
- return resources[idx].get_font (base, shift);
- return Null(LE_FONTINFO16);
- }
-
- inline unsigned int get_count () const
- {
- return count;
- }
-
- inline unsigned int get_type_id () const
- {
- return type_id;
- }
-
- enum type_id_t {
- CURSOR = 0x8001,
- BITMAP = 0x8002,
- ICON = 0x8003,
- MENU = 0x8004,
- DIALOG = 0x8005,
- STRING = 0x8006,
- FONT_DIRECTORY = 0x8007,
- FONT = 0x8008,
- ACCELERATOR_TABLE = 0x8009,
- RESOURCE_DATA = 0x800a,
- GROUP_CURSOR = 0x800c,
- GROUP_ICON = 0x800e,
- VERSION = 0x8010
- };
-
- protected:
- LEUINT16 type_id; // see type_id_t
- LEUINT16 count;
- LEUINT32 resloader;
- OT::UnsizedArrayOf<NE_NAMEINFO>
- resources;
- public:
- DEFINE_SIZE_ARRAY (8, resources);
-};
-
-struct NE_RESOURCE_TABLE
-{
- inline bool sanitize (OT::hb_sanitize_context_t *c, const void *base) const
- {
- TRACE_SANITIZE (this);
-
- if (!c->check_struct (this))
- return_trace (false);
-
- const NE_TYPEINFO* n = &chain;
- while (n != &Null(NE_TYPEINFO) && c->check_struct (n) && n->get_type_id () != 0)
- {
- if (n->get_type_id () == NE_TYPEINFO::FONT)
- return_trace (n->sanitize (c, base, alignmentShiftCount));
- n = &n->next();
- }
- return_trace (false);
- }
-
- inline unsigned int get_shift_value () const
- {
- return alignmentShiftCount;
- }
-
- inline const NE_TYPEINFO& get_fonts_entry () const
- {
- const NE_TYPEINFO* n = &chain;
- while (n != &Null(NE_TYPEINFO) && n->get_type_id () != 0)
- {
- if (n->get_type_id () == NE_TYPEINFO::FONT)
- return *n;
- n = &n->next();
- }
- return Null(NE_TYPEINFO);
- }
-
- protected:
- LEUINT16 alignmentShiftCount;
- NE_TYPEINFO chain;
- // It is followed by an array of OT::ArrayOf<LEUINT8, LEUINT8> chars;
- public:
- DEFINE_SIZE_MIN (2);
-};
-
-// https://github.com/wine-mirror/wine/blob/master/include/winnt.h#L2467
-struct LE_IMAGE_OS2_HEADER
-{
- inline bool sanitize (OT::hb_sanitize_context_t *c, const void *base) const
- {
- TRACE_SANITIZE (this);
- return_trace (likely (c->check_struct (this) && (this+rsrctab).sanitize (c, base)));
- }
-
- inline const NE_RESOURCE_TABLE& get_resource_table () const
- {
- if (magic != 0x454E) // Only NE containers are support for now, NE == 0x454E
- return Null(NE_RESOURCE_TABLE);
- return this+rsrctab;
- }
-
- protected:
- LEUINT16 magic; /* 00 NE signature 'NE' */
- LEUINT8 ver; /* 02 Linker version number */
- LEUINT8 rev; /* 03 Linker revision number */
- LEUINT16 enttab; /* 04 Offset to entry table relative to NE */
- LEUINT16 cbenttab; /* 06 Length of entry table in bytes */
- LEUINT32 crc; /* 08 Checksum */
- LEUINT16 flags; /* 0c Flags about segments in this file */
- LEUINT16 autodata; /* 0e Automatic data segment number */
- LEUINT16 heap; /* 10 Initial size of local heap */
- LEUINT16 stack; /* 12 Initial size of stack */
- LEUINT32 csip; /* 14 Initial CS:IP */
- LEUINT32 sssp; /* 18 Initial SS:SP */
- LEUINT16 cseg; /* 1c # of entries in segment table */
- LEUINT16 cmod; /* 1e # of entries in module reference tab. */
- LEUINT16 cbnrestab; /* 20 Length of nonresident-name table */
- LEUINT16 segtab; /* 22 Offset to segment table */
- OT::OffsetTo<NE_RESOURCE_TABLE, LEUINT16>
- rsrctab; /* 24 Offset to resource table */
- LEUINT16 restab; /* 26 Offset to resident-name table */
- LEUINT16 modtab; /* 28 Offset to module reference table */
- LEUINT16 imptab; /* 2a Offset to imported name table */
- LEUINT32 nrestab; /* 2c Offset to nonresident-name table */
- LEUINT16 cmovent; /* 30 # of movable entry points */
- LEUINT16 align; /* 32 Logical sector alignment shift count */
- LEUINT16 cres; /* 34 # of resource segments */
- LEUINT8 exetyp; /* 36 Flags indicating target OS */
- LEUINT8 flagsothers; /* 37 Additional information flags */
- LEUINT16 pretthunks; /* 38 Offset to return thunks */
- LEUINT16 psegrefbytes; /* 3a Offset to segment ref. bytes */
- LEUINT16 swaparea; /* 3c Reserved by Microsoft */
- LEUINT16 expver; /* 3e Expected Windows version number */
- public:
- DEFINE_SIZE_STATIC (64);
-};
-
-struct LE_IMAGE_DOS_HEADER {
- inline bool sanitize (OT::hb_sanitize_context_t *c) const
- {
- TRACE_SANITIZE (this);
- return_trace (likely (c->check_struct (this) &&
- get_os2_header ().sanitize (c, this)));
- }
-
- inline const LE_IMAGE_OS2_HEADER& get_os2_header () const
- {
- return this+e_lfanew;
- }
-
- protected:
- LEUINT16 e_magic; // Magic number
- LEUINT16 e_cblp; // Bytes on last page of file
- LEUINT16 e_cp; // Pages in file
- LEUINT16 e_crlc; // Relocations
- LEUINT16 e_cparhdr; // Size of header in paragraphs
- LEUINT16 e_minalloc; // Minimum extra paragraphs needed
- LEUINT16 e_maxalloc; // Maximum extra paragraphs needed
- LEUINT16 e_ss; // Initial (relative) SS value
- LEUINT16 e_sp; // Initial SP value
- LEUINT16 e_csum; // Checksum
- LEUINT16 e_ip; // Initial IP value
- LEUINT16 e_cs; // Initial (relative) CS value
- LEUINT16 e_lfarlc; // File address of relocation table
- LEUINT16 e_ovno; // Overlay number
- LEUINT16 e_res_0; // Reserved words
- LEUINT16 e_res_1; // Reserved words
- LEUINT16 e_res_2; // Reserved words
- LEUINT16 e_res_3; // Reserved words
- LEUINT16 e_oemid; // OEM identifier (for e_oeminfo)
- LEUINT16 e_oeminfo; // OEM information; e_oemid specific
- LEUINT16 e_res2_0; // Reserved words
- LEUINT16 e_res2_1; // Reserved words
- LEUINT16 e_res2_2; // Reserved words
- LEUINT16 e_res2_3; // Reserved words
- LEUINT16 e_res2_4; // Reserved words
- LEUINT16 e_res2_5; // Reserved words
- LEUINT16 e_res2_6; // Reserved words
- LEUINT16 e_res2_7; // Reserved words
- LEUINT16 e_res2_8; // Reserved words
- LEUINT16 e_res2_9; // Reserved words
- OT::OffsetTo<LE_IMAGE_OS2_HEADER, LEUINT32>
- e_lfanew; // File address of new exe header
- public:
- DEFINE_SIZE_STATIC (64);
-};
-
-int main (int argc, char** argv) {
- hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
-
- OT::Sanitizer<LE_IMAGE_DOS_HEADER> sanitizer;
- hb_blob_t *font_blob = sanitizer.sanitize (blob);
- const LE_IMAGE_DOS_HEADER* dos_header = font_blob->as<LE_IMAGE_DOS_HEADER> ();
-
- const NE_RESOURCE_TABLE &rtable = dos_header->get_os2_header ().get_resource_table ();
- int shift = rtable.get_shift_value ();
- const NE_TYPEINFO& entry = rtable.get_fonts_entry ();
- for (unsigned int i = 0; i < entry.get_count (); ++i)
- {
- const LE_FONTINFO16& font = entry.get_font (i, dos_header, shift);
- printf ("version: %x, weight: %d, charset: %s\n", font.get_version (),
- font.get_weight (), font.get_charset ());
- // font.dump ();
- }
- return 0;
-}
projects / platform / upstream / libHarfBuzzSharp.git / commitdiff