added Windows FNT/FON font driver
This commit is contained in:
parent
43a2f656a7
commit
ab9cc277c2
|
@ -0,0 +1,6 @@
|
||||||
|
make_module_list: add_windows_driver
|
||||||
|
|
||||||
|
add_windows_driver:
|
||||||
|
$(OPEN_DRIVER)winfnt_driver_class$(CLOSE_DRIVER)
|
||||||
|
$(ECHO_DRIVER)winfnt $(ECHO_DRIVER_DESC)Windows bitmap fonts with extension *.fnt or *.fon$(ECHO_DRIVER_DONE)
|
||||||
|
|
|
@ -0,0 +1,71 @@
|
||||||
|
#
|
||||||
|
# FreeType 2 Windows FNT/FON driver configuration rules
|
||||||
|
#
|
||||||
|
|
||||||
|
|
||||||
|
# Copyright 1996-2000 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.
|
||||||
|
|
||||||
|
|
||||||
|
# Windows driver directory
|
||||||
|
#
|
||||||
|
FNT_DIR := $(SRC_)winfonts
|
||||||
|
FNT_DIR_ := $(FNT_DIR)$(SEP)
|
||||||
|
|
||||||
|
|
||||||
|
# additional include flags used when compiling the driver
|
||||||
|
#
|
||||||
|
FNT_INCLUDE := $(FNT_DIR)
|
||||||
|
|
||||||
|
# compilation flags for the driver
|
||||||
|
#
|
||||||
|
FNT_CFLAGS := $(FNT_INCLUDE:%=$I%)
|
||||||
|
FNT_COMPILE := $(FT_COMPILE) $(FNT_CFLAGS)
|
||||||
|
|
||||||
|
|
||||||
|
# Windows driver sources (i.e., C files)
|
||||||
|
#
|
||||||
|
FNT_DRV_SRC := $(FNT_DIR_)winfnt.c
|
||||||
|
|
||||||
|
# Windows driver headers
|
||||||
|
#
|
||||||
|
FNT_DRV_H := $(FNT_DRV_SRC:%.c=%.h)
|
||||||
|
|
||||||
|
|
||||||
|
# Windows driver object(s)
|
||||||
|
#
|
||||||
|
# FNT_DRV_OBJ_M is used during `multi' builds
|
||||||
|
# FNT_DRV_OBJ_S is used during `single' builds
|
||||||
|
#
|
||||||
|
FNT_DRV_OBJ_M := $(FNT_DRV_SRC:$(FNT_DIR_)%.c=$(OBJ_)%.$O)
|
||||||
|
FNT_DRV_OBJ_S := $(OBJ_)winfnt.$O
|
||||||
|
|
||||||
|
# Windows driver source file for single build
|
||||||
|
#
|
||||||
|
FNT_DRV_SRC_S := $(FNT_DIR_)winfnt.c
|
||||||
|
|
||||||
|
|
||||||
|
# Windows driver - single object
|
||||||
|
#
|
||||||
|
$(FNT_DRV_OBJ_S): $(FNT_DRV_SRC_S) $(FNT_DRV_SRC) $(FREETYPE_H) $(FNT_DRV_H)
|
||||||
|
$(FNT_COMPILE) $T$@ $(FNT_DRV_SRC_S)
|
||||||
|
|
||||||
|
|
||||||
|
# Windows driver - multiple objects
|
||||||
|
#
|
||||||
|
$(OBJ_)%.$O: $(FNT_DIR_)%.c $(FREETYPE_H) $(FNT_DRV_H)
|
||||||
|
$(FNT_COMPILE) $T$@ $<
|
||||||
|
|
||||||
|
|
||||||
|
# update main driver object lists
|
||||||
|
#
|
||||||
|
DRV_OBJS_S += $(FNT_DRV_OBJ_S)
|
||||||
|
DRV_OBJS_M += $(FNT_DRV_OBJ_M)
|
||||||
|
|
||||||
|
# EOF
|
|
@ -0,0 +1,566 @@
|
||||||
|
/***************************************************************************/
|
||||||
|
/* */
|
||||||
|
/* winfnt.c */
|
||||||
|
/* */
|
||||||
|
/* FreeType font driver for Windows FNT/FON files */
|
||||||
|
/* */
|
||||||
|
/* Copyright 1996-2000 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 <winfnt.h>
|
||||||
|
#include <freetype/fterrors.h>
|
||||||
|
#include <freetype/internal/ftstream.h>
|
||||||
|
#include <freetype/internal/ftdebug.h>
|
||||||
|
#include <freetype/internal/ftobjs.h>
|
||||||
|
|
||||||
|
#undef FT_COMPONENT
|
||||||
|
#define FT_COMPONENT trace_ttobjs
|
||||||
|
|
||||||
|
static const FT_Frame_Field winmz_header_fields[] =
|
||||||
|
{ FT_FRAME_START( 64 ),
|
||||||
|
FT_FRAME_USHORT_LE ( WinMZ_Header, magic ),
|
||||||
|
FT_FRAME_SKIP_BYTES( 29*2 ),
|
||||||
|
FT_FRAME_ULONG_LE ( WinMZ_Header, lfanew ),
|
||||||
|
FT_FRAME_END };
|
||||||
|
|
||||||
|
static const FT_Frame_Field winne_header_fields[] =
|
||||||
|
{ FT_FRAME_START( 40 ),
|
||||||
|
FT_FRAME_USHORT_LE( WinNE_Header, magic ),
|
||||||
|
FT_FRAME_SKIP_BYTES( 34 ),
|
||||||
|
FT_FRAME_USHORT_LE( WinNE_Header, resource_tab_offset ),
|
||||||
|
FT_FRAME_USHORT_LE( WinNE_Header, rname_tab_offset ),
|
||||||
|
FT_FRAME_END };
|
||||||
|
|
||||||
|
|
||||||
|
static const FT_Frame_Field winfnt_header_fields[] =
|
||||||
|
{ FT_FRAME_START( 134 ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, version ),
|
||||||
|
FT_FRAME_ULONG_LE ( WinFNT_Header, file_size ),
|
||||||
|
FT_FRAME_BYTES ( WinFNT_Header, copyright, 60 ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, file_type ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, nominal_point_size ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, vertical_resolution ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, horizontal_resolution ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, ascent ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, internal_leading ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, external_leading ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, italic ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, underline ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, strike_out ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, weight ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, charset ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, pixel_width ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, pixel_height ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, pitch_and_family ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, avg_width ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, max_width ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, first_char ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, last_char ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, default_char ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, break_char ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, bytes_per_row ),
|
||||||
|
FT_FRAME_ULONG_LE ( WinFNT_Header, device_offset ),
|
||||||
|
FT_FRAME_ULONG_LE ( WinFNT_Header, face_name_offset ),
|
||||||
|
FT_FRAME_ULONG_LE ( WinFNT_Header, bits_pointer ),
|
||||||
|
FT_FRAME_ULONG_LE ( WinFNT_Header, bits_offset ),
|
||||||
|
FT_FRAME_BYTE ( WinFNT_Header, reserved ),
|
||||||
|
FT_FRAME_ULONG_LE ( WinFNT_Header, flags ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, A_space ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, B_space ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, C_space ),
|
||||||
|
FT_FRAME_USHORT_LE( WinFNT_Header, color_table_offset ),
|
||||||
|
FT_FRAME_BYTES ( WinFNT_Header, reserved, 4 ),
|
||||||
|
|
||||||
|
FT_FRAME_END };
|
||||||
|
|
||||||
|
|
||||||
|
static
|
||||||
|
void fnt_done_font( FT_Stream stream,
|
||||||
|
FNT_Font* font )
|
||||||
|
{
|
||||||
|
if (font->fnt_frame)
|
||||||
|
RELEASE_Frame( font->fnt_frame );
|
||||||
|
|
||||||
|
font->fnt_size = 0;
|
||||||
|
font->fnt_frame = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static
|
||||||
|
FT_Error fnt_load_font( FT_Stream stream,
|
||||||
|
FNT_Font* font )
|
||||||
|
{
|
||||||
|
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 = FT_Err_Unknown_File_Format;
|
||||||
|
goto Exit;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ( header->file_type & 1 )
|
||||||
|
{
|
||||||
|
FT_TRACE2(( "can't handle vector FNT fonts\n" ));
|
||||||
|
error = FT_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_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_done_font( stream, cur );
|
||||||
|
|
||||||
|
FREE( face->fonts );
|
||||||
|
face->num_fonts = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
static
|
||||||
|
FT_Error fnt_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;
|
||||||
|
|
||||||
|
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;
|
||||||
|
|
||||||
|
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 = 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 resource !!\n" ));
|
||||||
|
error = FT_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_load_font( stream, cur );
|
||||||
|
if (error) goto Fail;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Fail:
|
||||||
|
if (error)
|
||||||
|
fnt_done_fonts( face );
|
||||||
|
|
||||||
|
Exit:
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
static
|
||||||
|
void FNT_Done_Face( FNT_Face face )
|
||||||
|
{
|
||||||
|
FT_Memory memory = FT_FACE_MEMORY(face);
|
||||||
|
|
||||||
|
fnt_done_fonts(face);
|
||||||
|
|
||||||
|
FREE( face->root.available_sizes );
|
||||||
|
face->root.num_fixed_sizes = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
static
|
||||||
|
FT_Error FNT_Init_Face( 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_get_dll_fonts( face );
|
||||||
|
if (error)
|
||||||
|
{
|
||||||
|
/* this didn't work, now try to load a single FNT font */
|
||||||
|
FT_Memory memory = FT_FACE_MEMORY(face);
|
||||||
|
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_load_font( stream, font );
|
||||||
|
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 = "Regular";
|
||||||
|
if (root->style_flags & FT_STYLE_FLAG_BOLD)
|
||||||
|
{
|
||||||
|
if (root->style_flags & FT_STYLE_FLAG_ITALIC)
|
||||||
|
root->style_name = "Bold Italic";
|
||||||
|
else
|
||||||
|
root->style_name = "Bold";
|
||||||
|
}
|
||||||
|
else if (root->style_flags & FT_STYLE_FLAG_ITALIC)
|
||||||
|
root->style_name = "Italic";
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
Fail:
|
||||||
|
if (error)
|
||||||
|
FNT_Done_Face( face );
|
||||||
|
|
||||||
|
Exit:
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
static
|
||||||
|
FT_Error FNT_Set_Pixel_Size( 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;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return (size->font ? FT_Err_Ok : FT_Err_Invalid_Argument);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static
|
||||||
|
FT_UInt FNT_Get_Char_Index( FT_CharMap charmap,
|
||||||
|
FT_ULong char_code )
|
||||||
|
{
|
||||||
|
FT_UInt result = char_code;
|
||||||
|
|
||||||
|
if (charmap)
|
||||||
|
{
|
||||||
|
FNT_Font* font = ((FNT_Face)charmap->face)->fonts;
|
||||||
|
FT_UInt first = font->header.first_char;
|
||||||
|
FT_UInt count = font->header.last_char - first + 1;
|
||||||
|
|
||||||
|
char_code -= first;
|
||||||
|
if (char_code < count)
|
||||||
|
result = char_code;
|
||||||
|
else
|
||||||
|
result = font->header.default_char - first;
|
||||||
|
}
|
||||||
|
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 = FT_Err_Invalid_Argument;
|
||||||
|
goto Exit;
|
||||||
|
}
|
||||||
|
|
||||||
|
new_format = 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;
|
||||||
|
|
||||||
|
Exit:
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
const FT_Driver_Class winfnt_driver_class =
|
||||||
|
{
|
||||||
|
{
|
||||||
|
ft_module_font_driver,
|
||||||
|
sizeof( FT_DriverRec ),
|
||||||
|
|
||||||
|
"winfonts",
|
||||||
|
0x10000,
|
||||||
|
0x20000,
|
||||||
|
|
||||||
|
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_Init_Face,
|
||||||
|
(FTDriver_doneFace) FNT_Done_Face,
|
||||||
|
(FTDriver_initSize) 0,
|
||||||
|
(FTDriver_doneSize) 0,
|
||||||
|
(FTDriver_initGlyphSlot)0,
|
||||||
|
(FTDriver_doneGlyphSlot)0,
|
||||||
|
|
||||||
|
(FTDriver_setCharSizes) FNT_Set_Pixel_Size,
|
||||||
|
(FTDriver_setPixelSizes)FNT_Set_Pixel_Size,
|
||||||
|
|
||||||
|
(FTDriver_loadGlyph) FNT_Load_Glyph,
|
||||||
|
(FTDriver_getCharIndex) FNT_Get_Char_Index,
|
||||||
|
|
||||||
|
(FTDriver_getKerning) 0,
|
||||||
|
(FTDriver_attachFile) 0,
|
||||||
|
(FTDriver_getAdvances) 0
|
||||||
|
};
|
||||||
|
|
|
@ -0,0 +1,146 @@
|
||||||
|
/***************************************************************************/
|
||||||
|
/* */
|
||||||
|
/* winfnt.h */
|
||||||
|
/* */
|
||||||
|
/* FreeType font driver for Windows FNT/FON files */
|
||||||
|
/* */
|
||||||
|
/* Copyright 1996-2000 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. */
|
||||||
|
/* */
|
||||||
|
/***************************************************************************/
|
||||||
|
|
||||||
|
#ifndef WINFNT_H
|
||||||
|
#define WINFNT_H
|
||||||
|
|
||||||
|
#include <freetype/internal/ftdriver.h>
|
||||||
|
|
||||||
|
typedef struct WinMZ_Header_
|
||||||
|
{
|
||||||
|
FT_UShort magic;
|
||||||
|
/* skipped content */
|
||||||
|
FT_UShort lfanew;
|
||||||
|
|
||||||
|
} WinMZ_Header;
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
typedef struct WinNE_Header_
|
||||||
|
{
|
||||||
|
FT_UShort magic;
|
||||||
|
/* skipped content */
|
||||||
|
FT_UShort resource_tab_offset;
|
||||||
|
FT_UShort rname_tab_offset;
|
||||||
|
|
||||||
|
} WinNE_Header;
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
typedef struct WinNameInfo_
|
||||||
|
{
|
||||||
|
FT_UShort offset;
|
||||||
|
FT_UShort length;
|
||||||
|
FT_UShort flags;
|
||||||
|
FT_UShort id;
|
||||||
|
FT_UShort handle;
|
||||||
|
FT_UShort usage;
|
||||||
|
|
||||||
|
} WinNameInfo;
|
||||||
|
|
||||||
|
|
||||||
|
typedef struct WinResourceInfo_
|
||||||
|
{
|
||||||
|
FT_UShort type_id;
|
||||||
|
FT_UShort count;
|
||||||
|
|
||||||
|
} WinResourceInfo;
|
||||||
|
|
||||||
|
#define WINFNT_MZ_MAGIC 0x5A4D
|
||||||
|
#define WINFNT_NE_MAGIC 0x454E
|
||||||
|
|
||||||
|
|
||||||
|
typedef struct WinFNT_Header_
|
||||||
|
{
|
||||||
|
FT_UShort version;
|
||||||
|
FT_ULong file_size;
|
||||||
|
FT_Byte copyright[60];
|
||||||
|
FT_UShort file_type;
|
||||||
|
FT_UShort nominal_point_size;
|
||||||
|
FT_UShort vertical_resolution;
|
||||||
|
FT_UShort horizontal_resolution;
|
||||||
|
FT_UShort ascent;
|
||||||
|
FT_UShort internal_leading;
|
||||||
|
FT_UShort external_leading;
|
||||||
|
FT_Byte italic;
|
||||||
|
FT_Byte underline;
|
||||||
|
FT_Byte strike_out;
|
||||||
|
FT_UShort weight;
|
||||||
|
FT_Byte charset;
|
||||||
|
FT_UShort pixel_width;
|
||||||
|
FT_UShort pixel_height;
|
||||||
|
FT_Byte pitch_and_family;
|
||||||
|
FT_UShort avg_width;
|
||||||
|
FT_UShort max_width;
|
||||||
|
FT_Byte first_char;
|
||||||
|
FT_Byte last_char;
|
||||||
|
FT_Byte default_char;
|
||||||
|
FT_Byte break_char;
|
||||||
|
FT_UShort bytes_per_row;
|
||||||
|
FT_ULong device_offset;
|
||||||
|
FT_ULong face_name_offset;
|
||||||
|
FT_ULong bits_pointer;
|
||||||
|
FT_ULong bits_offset;
|
||||||
|
FT_Byte reserved;
|
||||||
|
FT_ULong flags;
|
||||||
|
FT_UShort A_space;
|
||||||
|
FT_UShort B_space;
|
||||||
|
FT_UShort C_space;
|
||||||
|
FT_UShort color_table_offset;
|
||||||
|
FT_Byte reserved2[4];
|
||||||
|
|
||||||
|
} WinFNT_Header;
|
||||||
|
|
||||||
|
|
||||||
|
typedef struct FNT_Font_
|
||||||
|
{
|
||||||
|
FT_ULong offset;
|
||||||
|
FT_Int size_shift;
|
||||||
|
|
||||||
|
WinFNT_Header header;
|
||||||
|
|
||||||
|
FT_Byte* fnt_frame;
|
||||||
|
FT_ULong fnt_size;
|
||||||
|
|
||||||
|
} FNT_Font;
|
||||||
|
|
||||||
|
|
||||||
|
typedef struct FNT_SizeRec_
|
||||||
|
{
|
||||||
|
FT_SizeRec root;
|
||||||
|
FNT_Font* font;
|
||||||
|
|
||||||
|
} FNT_SizeRec, *FNT_Size;
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
typedef struct FNT_FaceRec_
|
||||||
|
{
|
||||||
|
FT_FaceRec root;
|
||||||
|
|
||||||
|
FT_UInt num_fonts;
|
||||||
|
FNT_Font* fonts;
|
||||||
|
|
||||||
|
FT_CharMap charmap_handle;
|
||||||
|
FT_CharMapRec charmap; /* a single charmap per face */
|
||||||
|
|
||||||
|
} FNT_FaceRec, *FNT_Face;
|
||||||
|
|
||||||
|
|
||||||
|
FT_EXPORT_VAR(const FT_Driver_Class) winfnt_driver_class;
|
||||||
|
|
||||||
|
#endif /* WINFNT_H */
|
Loading…
Reference in New Issue