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* src/pfr/pfrload.c (pfr_extra_item_load_font_id): Use FT_PtrDist

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instead of FT_Uint for `len'.

Cleanups.
This commit is contained in:
Werner Lemberg 2003-04-23 14:14:06 +00:00
parent 6c15a66c0f
commit 0a10851fa8
6 changed files with 141 additions and 104 deletions
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48
ChangeLog
View File

@ -1,3 +1,8 @@
2003-04-23 Werner Lemberg <wl@gnu.org>
* src/pfr/pfrload.c (pfr_extra_item_load_font_id): Use FT_PtrDist
instead of FT_Uint for `len'.
2003-04-22 Werner Lemberg <wl@gnu.org>
* src/gzip/ftgzip.c (zcalloc) [!FT_CONFIG_OPTION_SYSTEM_ZLIB]:
@ -92,7 +97,10 @@
Use `ft_glyphslot_*' functions.
Don't set `FT_GLYPH_OWN_BITMAP'.
* src/pfr/pfrsbit.c, src/sfnt/ttsbit.c, src/type42/t42objs.c,
* src/pfr/pfrsbit.c (pfr_slot_load_bitmap): Use
`ft_glyphslot_alloc_bitmap'.
* src/sfnt/ttsbit.c, src/type42/t42objs.c,
src/winfonts/winfnt.c:
* src/cache/ftlru.c (FT_LruList_Lookup): Fixed an invalid assertion
@ -143,8 +151,8 @@
* src/cache/ftlru.c: Include FT_INTERNAL_DEBUG_H.
(FT_LruList_Lookup): Implement loop.
* src/pfr/pfrobjs.c, src/pfr/pfrsbits.c: Fixing compiler warnings
and a small memory leak.
* src/pfr/pfrobjs.c (pfr_face_done): Fix memory leak.
(pfr_face_init): Fixing compiler warnings.
* src/psaux/psobjs.c (t1_reallocate_table): Fixed a bug (memory
leak) that only happened when a try to resize an array would end in
@ -178,8 +186,7 @@
touch 0123456789 ; gzip 0123456789 ; ftdump 0123456789.gz
* src/pfr/pfrobjs.c, src/pfr/pfrload.c, src/pfr/pfrtypes.h: Several
fixes to the PFR font driver:
Several fixes to the PFR font driver:
- The list of available embedded bitmaps was not correctly set in
the root FT_FaceRec structure describing the face.
@ -193,6 +200,20 @@
NOTE THAT THESE CHANGES THE FAMILY NAME OF MANY PFR FONTS!
* src/pfr/pfrload.c (pfr_aux_name_load): New function.
(pfr_phy_font_done): Free `family_name' and `style_name' also.
Remove unused variables.
(pfr_phy_font_load): Extract useful information from the auxiliary
bytes.
* src/pfr/pfrobjs.c (pfr_face_done): Set pointers to NULL.
(pfr_face_init): Provide fallback values for `family_name' and
`style_name'.
Handle strikes.
(pfr_slot_load): Handle FT_LOAD_SBITS_ONLY.
* src/pfr/pfrtypes.h (PFR_PhyFontRec): Add fields `ascent',
`descent', `leading', `family_name', and `style_name'.
* src/truetype/ttdriver.c (Set_Char_Sizes): Fixed a rounding bug
when computing the scale factors for a given character size in
points with resolution.
@ -587,7 +608,7 @@
* src/sfnt/ttcmap0.c (tt_face_build_cmaps): Removed compiler
warnings in optimized mode relative to the "volatile" local
variables. This was not a compiler bug after all, but the fact that
a pointer to a volatile variable is not the same than a volatile
a pointer to a volatile variable is not the same as a volatile
pointer to a variable :-)
The fix was to change
@ -595,8 +616,9 @@
into
`FT_Byte* volatile p'.
* src/pfr/pfrload.c, src/pfr/pfrdrivr.c, src/gzip/inftrees.c:
Removed compiler warnings in optimized modes.
* src/pfr/pfrload.c (pfr_phy_font_load), src/pfr/pfrdrivr.c
(pfr_get_metrics), src/gzip/inftrees.c: Removed compiler warnings in
optimized modes.
* src/gzip/*.[hc]: Modified our zlib copy in order to prevent
exporting any zlib function names outside of the component. This
@ -620,10 +642,16 @@
* include/freetype/internal/internal.h (FT_INTERNAL_PFR_H): New
macro for pfr.h.
src/base/ftpfr.c: New file.
* src/base/ftpfr.c: New file.
* src/base/Jamfile, src/base/descrip.mms: Updated.
* src/pfr/pfrdrivr.c: Include FT_INTERNAL_PFR_H.
(pfr_get_kerning, pfr_get_advance, pfr_get_metrics): New functions.
(pfr_service_rec): New format interface.
(pfr_driver_class): Use `pfr_service_rec'.
Replace `pfr_face_get_kerning' with `pfr_get_kerning'.
* src/pfr/pfrobjs.c: Remove dead code.
* src/base/ftobjs.c (ft_glyphslot_clear): Small internal fix to
better support bitmap-based font formats.

10
src/pfr/pfrdrivr.c
View File

@ -4,7 +4,7 @@
/* */
/* FreeType PFR driver interface (body). */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -32,11 +32,13 @@
{
FT_Error error;
error = pfr_face_get_kerning( face, left, right, avector );
if ( !error )
{
PFR_PhyFont phys = &face->phy_font;
/* convert from metrics to outline units when necessary */
if ( phys->outline_resolution != phys->metrics_resolution )
{
@ -49,6 +51,7 @@
phys->metrics_resolution );
}
}
return error;
}
@ -58,13 +61,15 @@
FT_UInt gindex,
FT_Pos *aadvance )
{
FT_Error error = FT_Err_Bad_Argument;
FT_Error error = FT_Err_Bad_Argument;
*aadvance = 0;
if ( face )
{
PFR_PhyFont phys = &face->phy_font;
if ( gindex < phys->num_chars )
{
*aadvance = phys->chars[ gindex ].advance;
@ -87,6 +92,7 @@
FT_Fixed x_scale, y_scale;
FT_Size size = face->root.size;
if ( aoutline_resolution )
*aoutline_resolution = phys->outline_resolution;

144
src/pfr/pfrload.c
View File

@ -4,7 +4,7 @@
/* */
/* FreeType PFR loader (body). */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -153,7 +153,7 @@
pfr_header_load( PFR_Header header,
FT_Stream stream )
{
FT_Error error;
FT_Error error;
/* read header directly */
@ -201,9 +201,9 @@
FT_UInt32 section_offset,
FT_UInt *acount )
{
FT_Error error;
FT_UInt count;
FT_UInt result = 0;
FT_Error error;
FT_UInt count;
FT_UInt result = 0;
if ( FT_STREAM_SEEK( section_offset ) || FT_READ_USHORT( count ) )
@ -239,8 +239,8 @@
return PFR_Err_Invalid_Argument;
if ( FT_STREAM_SKIP( idx * 5 ) ||
FT_READ_USHORT( size ) ||
FT_READ_UOFF3 ( offset ) )
FT_READ_USHORT( size ) ||
FT_READ_UOFF3 ( offset ) )
goto Exit;
/* save logical font size and offset */
@ -365,7 +365,8 @@
/* re-allocate when needed */
if ( phy_font->num_strikes + count > phy_font->max_strikes )
{
FT_UInt new_max = (phy_font->num_strikes + count + 3) & -4;
FT_UInt new_max = ( phy_font->num_strikes + count + 3 ) & -4;
if ( FT_RENEW_ARRAY( phy_font->strikes,
phy_font->num_strikes,
@ -432,30 +433,30 @@
}
/* load font ID, this is a so-called "unique" name that is rather
* long and descriptive (like "Tiresias ScreenFont v7.51").
*
* note that a PFR font's family name is contained in an *undocumented*
* string of the "auxiliary data" portion of a physical font record. this
* may also contain the "real" style name !
*
* if no family name is present, the font id is used instead for the
* family
*/
/* Load font ID. This is a so-called "unique" name that is rather
* long and descriptive (like "Tiresias ScreenFont v7.51").
*
* Note that a PFR font's family name is contained in an *undocumented*
* string of the "auxiliary data" portion of a physical font record. This
* may also contain the "real" style name!
*
* If no family name is present, the font ID is used instead for the
* family.
*/
FT_CALLBACK_DEF( FT_Error )
pfr_extra_item_load_font_id( FT_Byte* p,
FT_Byte* limit,
PFR_PhyFont phy_font )
{
FT_Error error = 0;
FT_Memory memory = phy_font->memory;
FT_UInt len = (FT_UInt)( limit - p );
FT_Error error = 0;
FT_Memory memory = phy_font->memory;
FT_PtrDist len = limit - p;
if ( phy_font->font_id != NULL )
goto Exit;
if ( FT_ALLOC( phy_font->font_id, len+1 ) )
if ( FT_ALLOC( phy_font->font_id, len + 1 ) )
goto Exit;
/* copy font ID name, and terminate it for safety */
@ -702,9 +703,9 @@
};
/* loads a name from the auxiliary data. Since this extracts undocumented
* strings from the font file, we need to be careful here
*/
/* Loads a name from the auxiliary data. Since this extracts undocumented
* strings from the font file, we need to be careful here.
*/
static FT_Error
pfr_aux_name_load( FT_Byte* p,
FT_UInt len,
@ -715,13 +716,14 @@
FT_String* result = NULL;
FT_UInt n, ok;
if ( len > 0 && p[len-1] == 0 )
if ( len > 0 && p[len - 1] == 0 )
len--;
/* check that each character is ASCII, that's to be sure
* to not load garbage..
*/
ok = (len > 0);
/* check that each character is ASCII for making sure not to
load garbage
*/
ok = ( len > 0 );
for ( n = 0; n < len; n++ )
if ( p[n] < 32 || p[n] > 127 )
{
@ -731,7 +733,7 @@
if ( ok )
{
if ( FT_ALLOC( result, len+1 ) )
if ( FT_ALLOC( result, len + 1 ) )
goto Exit;
FT_MEM_COPY( result, p, len );
@ -787,7 +789,6 @@
}
FT_LOCAL_DEF( FT_Error )
pfr_phy_font_load( PFR_PhyFont phy_font,
FT_Stream stream,
@ -842,9 +843,9 @@
goto Fail;
}
/* in certain fonts, the auxiliary bytes contain interesting */
/* In certain fonts, the auxiliary bytes contain interesting */
/* information. These are not in the specification but can be */
/* guessed by looking at the content of a few PFR0 fonts */
/* guessed by looking at the content of a few PFR0 fonts. */
PFR_CHECK( 3 );
num_aux = PFR_NEXT_ULONG( p );
@ -853,6 +854,7 @@
FT_Byte* q = p;
FT_Byte* q2;
PFR_CHECK( num_aux );
p += num_aux;
@ -860,58 +862,54 @@
{
FT_UInt length, type;
if ( q + 4 > p )
break;
length = PFR_NEXT_USHORT(q);
length = PFR_NEXT_USHORT( q );
if ( length < 4 || length > num_aux )
break;
q2 = q + length - 2;
type = PFR_NEXT_USHORT(q);
type = PFR_NEXT_USHORT( q );
switch ( type )
{
case 1:
{
/* this seems to correspond to the font's family name,
* padded to 16-bits with one zero when necessary
*/
error = pfr_aux_name_load( q, length-4U, memory,
&phy_font->family_name );
if ( error )
goto Exit;
}
case 1:
/* this seems to correspond to the font's family name,
* padded to 16-bits with one zero when necessary
*/
error = pfr_aux_name_load( q, length - 4U, memory,
&phy_font->family_name );
if ( error )
goto Exit;
break;
case 2:
if ( q + 32 > q2 )
break;
case 2:
{
if ( q + 32 > q2 )
break;
q += 10;
phy_font->ascent = PFR_NEXT_SHORT( q );
phy_font->descent = PFR_NEXT_SHORT( q );
phy_font->leading = PFR_NEXT_SHORT( q );
q += 16;
break;
q += 10;
phy_font->ascent = PFR_NEXT_SHORT(q);
phy_font->descent = PFR_NEXT_SHORT(q);
phy_font->leading = PFR_NEXT_SHORT(q);
q += 16;
}
break;
case 3:
/* this seems to correspond to the font's style name,
* padded to 16-bits with one zero when necessary
*/
error = pfr_aux_name_load( q, length - 4U, memory,
&phy_font->style_name );
if ( error )
goto Exit;
break;
case 3:
{
/* this seems to correspond to the font's style name,
* padded to 16-bits with one zero when necessary
*/
error = pfr_aux_name_load( q, length-4U, memory,
&phy_font->style_name );
if ( error )
goto Exit;
}
break;
default:
;
default:
;
}
q = q2;
num_aux -= length;
}
@ -921,6 +919,7 @@
{
FT_UInt n, count;
PFR_CHECK( 1 );
phy_font->num_blue_values = count = PFR_NEXT_BYTE( p );
@ -1000,7 +999,8 @@
}
}
/* that's it !! */
/* that's it! */
Fail:
FT_FRAME_EXIT();

28
src/pfr/pfrobjs.c
View File

@ -4,7 +4,7 @@
/* */
/* FreeType PFR object methods (body). */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -41,7 +41,8 @@
FT_LOCAL_DEF( void )
pfr_face_done( PFR_Face face )
{
FT_Memory memory = face->root.driver->root.memory;
FT_Memory memory = face->root.driver->root.memory;
/* we don't want dangling pointers */
face->root.family_name = NULL;
@ -143,18 +144,18 @@
if ( phy_font->num_kern_pairs > 0 )
root->face_flags |= FT_FACE_FLAG_KERNING;
/* if no family name was found in the "undocumented" auxiliary
* data, use the font ID instead. This sucks but is better than
* nothing
*/
/* If no family name was found in the "undocumented" auxiliary
* data, use the font ID instead. This sucks but is better than
* nothing.
*/
root->family_name = phy_font->family_name;
if ( root->family_name == NULL )
root->family_name = phy_font->font_id;
/* note that the style name can be NULL in certain PFR fonts,
* probably meaning "Regular"
*/
root->style_name = phy_font->style_name;
/* note that the style name can be NULL in certain PFR fonts,
* probably meaning "Regular"
*/
root->style_name = phy_font->style_name;
root->num_fixed_sizes = 0;
root->available_sizes = 0;
@ -182,8 +183,8 @@
strike = phy_font->strikes;
for ( n = 0; n < count; n++, size++, strike++ )
{
size->height = (FT_UShort) strike->y_ppm;
size->width = (FT_UShort) strike->x_ppm;
size->height = (FT_UShort)strike->y_ppm;
size->width = (FT_UShort)strike->x_ppm;
}
root->num_fixed_sizes = count;
}
@ -279,7 +280,8 @@
FT_Outline* outline = &slot->root.outline;
FT_ULong gps_offset;
if (gindex > 0)
if ( gindex > 0 )
gindex--;
/* check that the glyph index is correct */

13
src/pfr/pfrsbit.c
View File

@ -4,7 +4,7 @@
/* */
/* FreeType PFR bitmap loader (body). */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -115,7 +115,7 @@
}
if ( mask != 0x80 )
cur[0] = (FT_Byte) c;
cur[0] = (FT_Byte)c;
}
@ -185,7 +185,7 @@
}
else if ( mask == 0 )
{
cur[0] = (FT_Byte) c;
cur[0] = (FT_Byte)c;
mask = 0x80;
c = 0;
cur ++;
@ -249,7 +249,7 @@
}
else if ( mask == 0 )
{
cur[0] = (FT_Byte) c;
cur[0] = (FT_Byte)c;
c = 0;
mask = 0x80;
cur ++;
@ -583,7 +583,7 @@
pfr_lookup_bitmap_data( stream->cursor,
stream->limit,
strike->num_bitmaps,
(FT_Byte) strike->flags,
(FT_Byte)strike->flags,
character->char_code,
&gps_offset,
&gps_size );
@ -645,7 +645,8 @@
/* Allocate and read bitmap data */
{
FT_ULong len = glyph->root.bitmap.pitch * ysize;
FT_ULong len = glyph->root.bitmap.pitch * ysize;
error = ft_glyphslot_alloc_bitmap( &glyph->root, len );
if ( !error )

2
src/pfr/pfrtypes.h
View File

@ -4,7 +4,7 @@
/* */
/* FreeType PFR data structures (specification only). */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */