X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=libraries%2Ffreetype-2.0.5%2Fwinfnt.c;fp=libraries%2Ffreetype-2.0.5%2Fwinfnt.c;h=0000000000000000000000000000000000000000;hp=529769749247cf6a4ba22e5f67585a9cb1b9c4cd;hb=bab0189ee9d56aca8bea909275317ab4e0be09ee;hpb=b837c0527f117b54845242ee7626df6d88394444 diff --git a/libraries/freetype-2.0.5/winfnt.c b/libraries/freetype-2.0.5/winfnt.c deleted file mode 100644 index 5297697..0000000 --- a/libraries/freetype-2.0.5/winfnt.c +++ /dev/null @@ -1,661 +0,0 @@ -/***************************************************************************/ -/* */ -/* winfnt.c */ -/* */ -/* FreeType font driver for Windows FNT/FON files */ -/* */ -/* Copyright 1996-2001 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* This file is part of the FreeType project, and may only be used, */ -/* modified, and distributed under the terms of the FreeType project */ -/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ -/* this file you indicate that you have read the license and */ -/* understand and accept it fully. */ -/* */ -/***************************************************************************/ - - -#include -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_STREAM_H -#include FT_INTERNAL_OBJECTS_H -#include FT_INTERNAL_FNT_TYPES_H - -#include "winfnt.h" - -#include "fnterrs.h" - - - /*************************************************************************/ - /* */ - /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ - /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ - /* messages during execution. */ - /* */ -#undef FT_COMPONENT -#define FT_COMPONENT trace_winfnt - - - static - const FT_Frame_Field winmz_header_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE WinMZ_Header - - FT_FRAME_START( 64 ), - FT_FRAME_USHORT_LE ( magic ), - FT_FRAME_SKIP_BYTES( 29 * 2 ), - FT_FRAME_ULONG_LE ( lfanew ), - FT_FRAME_END - }; - - static - const FT_Frame_Field winne_header_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE WinNE_Header - - FT_FRAME_START( 40 ), - FT_FRAME_USHORT_LE ( magic ), - FT_FRAME_SKIP_BYTES( 34 ), - FT_FRAME_USHORT_LE ( resource_tab_offset ), - FT_FRAME_USHORT_LE ( rname_tab_offset ), - FT_FRAME_END - }; - - static - const FT_Frame_Field winfnt_header_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE WinFNT_Header - - FT_FRAME_START( 134 ), - FT_FRAME_USHORT_LE( version ), - FT_FRAME_ULONG_LE ( file_size ), - FT_FRAME_BYTES ( copyright, 60 ), - FT_FRAME_USHORT_LE( file_type ), - FT_FRAME_USHORT_LE( nominal_point_size ), - FT_FRAME_USHORT_LE( vertical_resolution ), - FT_FRAME_USHORT_LE( horizontal_resolution ), - FT_FRAME_USHORT_LE( ascent ), - FT_FRAME_USHORT_LE( internal_leading ), - FT_FRAME_USHORT_LE( external_leading ), - FT_FRAME_BYTE ( italic ), - FT_FRAME_BYTE ( underline ), - FT_FRAME_BYTE ( strike_out ), - FT_FRAME_USHORT_LE( weight ), - FT_FRAME_BYTE ( charset ), - FT_FRAME_USHORT_LE( pixel_width ), - FT_FRAME_USHORT_LE( pixel_height ), - FT_FRAME_BYTE ( pitch_and_family ), - FT_FRAME_USHORT_LE( avg_width ), - FT_FRAME_USHORT_LE( max_width ), - FT_FRAME_BYTE ( first_char ), - FT_FRAME_BYTE ( last_char ), - FT_FRAME_BYTE ( default_char ), - FT_FRAME_BYTE ( break_char ), - FT_FRAME_USHORT_LE( bytes_per_row ), - FT_FRAME_ULONG_LE ( device_offset ), - FT_FRAME_ULONG_LE ( face_name_offset ), - FT_FRAME_ULONG_LE ( bits_pointer ), - FT_FRAME_ULONG_LE ( bits_offset ), - FT_FRAME_BYTE ( reserved ), - FT_FRAME_ULONG_LE ( flags ), - FT_FRAME_USHORT_LE( A_space ), - FT_FRAME_USHORT_LE( B_space ), - FT_FRAME_USHORT_LE( C_space ), - FT_FRAME_USHORT_LE( color_table_offset ), - FT_FRAME_BYTES ( reserved, 4 ), - FT_FRAME_END - }; - - - static void - fnt_font_done( FNT_Font* font, - FT_Stream stream ) - { - if ( font->fnt_frame ) - RELEASE_Frame( font->fnt_frame ); - - font->fnt_size = 0; - font->fnt_frame = 0; - } - - - static FT_Error - fnt_font_load( FNT_Font* font, - FT_Stream stream ) - { - FT_Error error; - WinFNT_Header* header = &font->header; - - - /* first of all, read the FNT header */ - if ( FILE_Seek( font->offset ) || - READ_Fields( winfnt_header_fields, header ) ) - goto Exit; - - /* check header */ - if ( header->version != 0x200 && - header->version != 0x300 ) - { - FT_TRACE2(( "[not a valid FNT file]\n" )); - error = FNT_Err_Unknown_File_Format; - goto Exit; - } - - if ( header->file_type & 1 ) - { - FT_TRACE2(( "[can't handle vector FNT fonts]\n" )); - error = FNT_Err_Unknown_File_Format; - goto Exit; - } - - /* small fixup -- some fonts have the `pixel_width' field set to 0 */ - if ( header->pixel_width == 0 ) - header->pixel_width = header->pixel_height; - - /* this is a FNT file/table, we now extract its frame */ - if ( FILE_Seek( font->offset ) || - EXTRACT_Frame( header->file_size, font->fnt_frame ) ) - goto Exit; - - Exit: - return error; - } - - - static void - fnt_face_done_fonts( FNT_Face face ) - { - FT_Memory memory = FT_FACE(face)->memory; - FT_Stream stream = FT_FACE(face)->stream; - FNT_Font* cur = face->fonts; - FNT_Font* limit = cur + face->num_fonts; - - - for ( ; cur < limit; cur++ ) - fnt_font_done( cur, stream ); - - FREE( face->fonts ); - face->num_fonts = 0; - } - - - static FT_Error - fnt_face_get_dll_fonts( FNT_Face face ) - { - FT_Error error; - FT_Stream stream = FT_FACE(face)->stream; - FT_Memory memory = FT_FACE(face)->memory; - WinMZ_Header mz_header; - - - face->fonts = 0; - face->num_fonts = 0; - - /* does it begin with a MZ header? */ - if ( FILE_Seek( 0 ) || - READ_Fields( winmz_header_fields, &mz_header ) ) - goto Exit; - - error = FNT_Err_Unknown_File_Format; - if ( mz_header.magic == WINFNT_MZ_MAGIC ) - { - /* yes, now look for a NE header in the file */ - WinNE_Header ne_header; - - - if ( FILE_Seek( mz_header.lfanew ) || - READ_Fields( winne_header_fields, &ne_header ) ) - goto Exit; - - error = FNT_Err_Unknown_File_Format; - if ( ne_header.magic == WINFNT_NE_MAGIC ) - { - /* good, now look in the resource table for each FNT resource */ - FT_ULong res_offset = mz_header.lfanew + - ne_header.resource_tab_offset; - - FT_UShort size_shift; - FT_UShort font_count = 0; - FT_ULong font_offset = 0; - - - if ( FILE_Seek( res_offset ) || - ACCESS_Frame( ne_header.rname_tab_offset - - ne_header.resource_tab_offset ) ) - goto Exit; - - size_shift = GET_UShortLE(); - - for (;;) - { - FT_UShort type_id, count; - - - type_id = GET_UShortLE(); - if ( !type_id ) - break; - - count = GET_UShortLE(); - - if ( type_id == 0x8008 ) - { - font_count = count; - font_offset = (FT_ULong)( FILE_Pos() + 4 + - ( stream->cursor - stream->limit ) ); - break; - } - - stream->cursor += 4 + count * 12; - } - FORGET_Frame(); - - if ( !font_count || !font_offset ) - { - FT_TRACE2(( "this file doesn't contain any FNT resources!\n" )); - error = FNT_Err_Unknown_File_Format; - goto Exit; - } - - if ( FILE_Seek( font_offset ) || - ALLOC_ARRAY( face->fonts, font_count, FNT_Font ) ) - goto Exit; - - face->num_fonts = font_count; - - if ( ACCESS_Frame( (FT_Long)font_count * 12 ) ) - goto Exit; - - /* now read the offset and position of each FNT font */ - { - FNT_Font* cur = face->fonts; - FNT_Font* limit = cur + font_count; - - - for ( ; cur < limit; cur++ ) - { - cur->offset = (FT_ULong)GET_UShortLE() << size_shift; - cur->fnt_size = (FT_ULong)GET_UShortLE() << size_shift; - cur->size_shift = size_shift; - stream->cursor += 8; - } - } - FORGET_Frame(); - - /* finally, try to load each font there */ - { - FNT_Font* cur = face->fonts; - FNT_Font* limit = cur + font_count; - - - for ( ; cur < limit; cur++ ) - { - error = fnt_font_load( cur, stream ); - if ( error ) - goto Fail; - } - } - } - } - - Fail: - if ( error ) - fnt_face_done_fonts( face ); - - Exit: - return error; - } - - - static void - FNT_Face_Done( FNT_Face face ) - { - FT_Memory memory = FT_FACE_MEMORY( face ); - - - fnt_face_done_fonts( face ); - - FREE( face->root.available_sizes ); - face->root.num_fixed_sizes = 0; - } - - - static FT_Error - FNT_Face_Init( FT_Stream stream, - FNT_Face face, - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ) - { - FT_Error error; - FT_Memory memory = FT_FACE_MEMORY( face ); - - FT_UNUSED( num_params ); - FT_UNUSED( params ); - FT_UNUSED( face_index ); - - - /* try to load several fonts from a DLL */ - error = fnt_face_get_dll_fonts( face ); - if ( error ) - { - /* this didn't work, now try to load a single FNT font */ - FNT_Font* font; - - if ( ALLOC( face->fonts, sizeof ( *face->fonts ) ) ) - goto Exit; - - face->num_fonts = 1; - font = face->fonts; - - font->offset = 0; - font->fnt_size = stream->size; - - error = fnt_font_load( font, stream ); - if ( error ) - goto Fail; - } - - /* all right, one or more fonts were loaded; we now need to */ - /* fill the root FT_Face fields with relevant information */ - { - FT_Face root = FT_FACE( face ); - FNT_Font* fonts = face->fonts; - FNT_Font* limit = fonts + face->num_fonts; - FNT_Font* cur; - - - root->num_faces = 1; - root->face_flags = FT_FACE_FLAG_FIXED_SIZES | - FT_FACE_FLAG_HORIZONTAL; - - if ( fonts->header.avg_width == fonts->header.max_width ) - root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; - - if ( fonts->header.italic ) - root->style_flags |= FT_STYLE_FLAG_ITALIC; - - if ( fonts->header.weight >= 800 ) - root->style_flags |= FT_STYLE_FLAG_BOLD; - - /* Setup the `fixed_sizes' array */ - if ( ALLOC_ARRAY( root->available_sizes, face->num_fonts, - FT_Bitmap_Size ) ) - goto Fail; - - root->num_fixed_sizes = face->num_fonts; - - { - FT_Bitmap_Size* size = root->available_sizes; - - - for ( cur = fonts; cur < limit; cur++, size++ ) - { - size->width = cur->header.pixel_width; - size->height = cur->header.pixel_height; - } - } - - /* Setup the `charmaps' array */ - root->charmaps = &face->charmap_handle; - root->num_charmaps = 1; - - face->charmap.encoding = ft_encoding_unicode; - face->charmap.platform_id = 3; - face->charmap.encoding_id = 1; - face->charmap.face = root; - - face->charmap_handle = &face->charmap; - - root->charmap = face->charmap_handle; - - /* setup remaining flags */ - root->num_glyphs = fonts->header.last_char - - fonts->header.first_char + 1; - - root->family_name = (FT_String*)fonts->fnt_frame + - fonts->header.face_name_offset; - root->style_name = (char *)"Regular"; - - if ( root->style_flags & FT_STYLE_FLAG_BOLD ) - { - if ( root->style_flags & FT_STYLE_FLAG_ITALIC ) - root->style_name = (char *)"Bold Italic"; - else - root->style_name = (char *)"Bold"; - } - else if ( root->style_flags & FT_STYLE_FLAG_ITALIC ) - root->style_name = (char *)"Italic"; - } - - Fail: - if ( error ) - FNT_Face_Done( face ); - - Exit: - return error; - } - - - static FT_Error - FNT_Size_Set_Pixels( FNT_Size size ) - { - /* look up a font corresponding to the current pixel size */ - FNT_Face face = (FNT_Face)FT_SIZE_FACE( size ); - FNT_Font* cur = face->fonts; - FNT_Font* limit = cur + face->num_fonts; - - - size->font = 0; - for ( ; cur < limit; cur++ ) - { - /* we only compare the character height, as fonts used some strange */ - /* values */ - if ( cur->header.pixel_height == size->root.metrics.y_ppem ) - { - size->font = cur; - - size->root.metrics.ascender = cur->header.ascent * 64; - size->root.metrics.descender = ( cur->header.pixel_height - - cur->header.ascent ) * 64; - size->root.metrics.height = cur->header.pixel_height * 64; - break; - } - } - - return ( size->font ? FNT_Err_Ok : FNT_Err_Invalid_Pixel_Size ); - } - - - static FT_UInt - FNT_Get_Char_Index( FT_CharMap charmap, - FT_Long char_code ) - { - FT_Long result = char_code; - - - if ( charmap ) - { - FNT_Font* font = ((FNT_Face)charmap->face)->fonts; - FT_Long first = font->header.first_char; - FT_Long count = font->header.last_char - first + 1; - - - char_code -= first; - if ( char_code < count ) - result = char_code + 1; - else - result = 0; - } - - return result; - } - - - static FT_Error - FNT_Load_Glyph( FT_GlyphSlot slot, - FNT_Size size, - FT_UInt glyph_index, - FT_Int load_flags ) - { - FNT_Font* font = size->font; - FT_Error error = 0; - FT_Byte* p; - FT_Int len; - FT_Bitmap* bitmap = &slot->bitmap; - FT_ULong offset; - FT_Bool new_format; - - FT_UNUSED( slot ); - FT_UNUSED( load_flags ); - - - if ( !font ) - { - error = FNT_Err_Invalid_Argument; - goto Exit; - } - - if ( glyph_index > 0 ) - glyph_index--; - else - glyph_index = font->header.default_char - font->header.first_char; - - new_format = FT_BOOL( font->header.version == 0x300 ); - len = new_format ? 6 : 4; - - /* jump to glyph entry */ - p = font->fnt_frame + 118 + len * glyph_index; - - bitmap->width = NEXT_ShortLE(p); - - if ( new_format ) - offset = NEXT_ULongLE(p); - else - offset = NEXT_UShortLE(p); - - /* jump to glyph data */ - p = font->fnt_frame + /* font->header.bits_offset */ + offset; - - /* allocate and build bitmap */ - { - FT_Memory memory = FT_FACE_MEMORY( slot->face ); - FT_Int pitch = ( bitmap->width + 7 ) >> 3; - FT_Byte* column; - FT_Byte* write; - - - bitmap->pitch = pitch; - bitmap->rows = font->header.pixel_height; - bitmap->pixel_mode = ft_pixel_mode_mono; - - if ( ALLOC( bitmap->buffer, pitch * bitmap->rows ) ) - goto Exit; - - column = (FT_Byte*)bitmap->buffer; - - for ( ; pitch > 0; pitch--, column++ ) - { - FT_Byte* limit = p + bitmap->rows; - - - for ( write = column; p < limit; p++, write += bitmap->pitch ) - write[0] = p[0]; - } - } - - slot->flags = ft_glyph_own_bitmap; - slot->bitmap_left = 0; - slot->bitmap_top = font->header.ascent; - slot->format = ft_glyph_format_bitmap; - - /* now set up metrics */ - slot->metrics.horiAdvance = bitmap->width << 6; - slot->metrics.horiBearingX = 0; - slot->metrics.horiBearingY = slot->bitmap_top << 6; - - slot->linearHoriAdvance = (FT_Fixed)bitmap->width << 16; - slot->format = ft_glyph_format_bitmap; - - Exit: - return error; - } - - - FT_CALLBACK_TABLE_DEF - const FT_Driver_Class winfnt_driver_class = - { - { - ft_module_font_driver, - sizeof ( FT_DriverRec ), - - "winfonts", - 0x10000L, - 0x20000L, - - 0, - - (FT_Module_Constructor)0, - (FT_Module_Destructor) 0, - (FT_Module_Requester) 0 - }, - - sizeof( FNT_FaceRec ), - sizeof( FNT_SizeRec ), - sizeof( FT_GlyphSlotRec ), - - (FTDriver_initFace) FNT_Face_Init, - (FTDriver_doneFace) FNT_Face_Done, - (FTDriver_initSize) 0, - (FTDriver_doneSize) 0, - (FTDriver_initGlyphSlot)0, - (FTDriver_doneGlyphSlot)0, - - (FTDriver_setCharSizes) FNT_Size_Set_Pixels, - (FTDriver_setPixelSizes)FNT_Size_Set_Pixels, - - (FTDriver_loadGlyph) FNT_Load_Glyph, - (FTDriver_getCharIndex) FNT_Get_Char_Index, - - (FTDriver_getKerning) 0, - (FTDriver_attachFile) 0, - (FTDriver_getAdvances) 0 - }; - - -#ifdef FT_CONFIG_OPTION_DYNAMIC_DRIVERS - - - /*************************************************************************/ - /* */ - /* */ - /* getDriverClass */ - /* */ - /* */ - /* This function is used when compiling the TrueType driver as a */ - /* shared library (`.DLL' or `.so'). It will be used by the */ - /* high-level library of FreeType to retrieve the address of the */ - /* driver's generic interface. */ - /* */ - /* It shouldn't be implemented in a static build, as each driver must */ - /* have the same function as an exported entry point. */ - /* */ - /* */ - /* The address of the TrueType's driver generic interface. The */ - /* format-specific interface can then be retrieved through the method */ - /* interface->get_format_interface. */ - /* */ - FT_EXPORT_DEF( const FT_Driver_Class* ) - getDriverClass( void ) - { - return &winfnt_driver_class; - } - - -#endif /* FT_CONFIG_OPTION_DYNAMIC_DRIVERS */ - - -/* END */