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-rw-r--r--src/3rdparty/freetype/src/psaux/psobjs.c599
1 files changed, 314 insertions, 285 deletions
diff --git a/src/3rdparty/freetype/src/psaux/psobjs.c b/src/3rdparty/freetype/src/psaux/psobjs.c
index f54bc7e416..8da755d0e5 100644
--- a/src/3rdparty/freetype/src/psaux/psobjs.c
+++ b/src/3rdparty/freetype/src/psaux/psobjs.c
@@ -1,26 +1,25 @@
-/***************************************************************************/
-/* */
-/* psobjs.c */
-/* */
-/* Auxiliary functions for PostScript fonts (body). */
-/* */
-/* Copyright 1996-2018 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 <ft2build.h>
-#include FT_INTERNAL_POSTSCRIPT_AUX_H
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_CALC_H
-#include FT_DRIVER_H
+/****************************************************************************
+ *
+ * psobjs.c
+ *
+ * Auxiliary functions for PostScript fonts (body).
+ *
+ * Copyright (C) 1996-2023 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 <freetype/internal/psaux.h>
+#include <freetype/internal/ftdebug.h>
+#include <freetype/internal/ftcalc.h>
+#include <freetype/ftdriver.h>
#include "psobjs.h"
#include "psconv.h"
@@ -29,14 +28,14 @@
#include "psauxmod.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. */
- /* */
+ /**************************************************************************
+ *
+ * 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_psobjs
+#define FT_COMPONENT psobjs
/*************************************************************************/
@@ -47,26 +46,29 @@
/*************************************************************************/
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ps_table_new */
- /* */
- /* <Description> */
- /* Initializes a PS_Table. */
- /* */
- /* <InOut> */
- /* table :: The address of the target table. */
- /* */
- /* <Input> */
- /* count :: The table size = the maximum number of elements. */
- /* */
- /* memory :: The memory object to use for all subsequent */
- /* reallocations. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * ps_table_new
+ *
+ * @Description:
+ * Initializes a PS_Table.
+ *
+ * @InOut:
+ * table ::
+ * The address of the target table.
+ *
+ * @Input:
+ * count ::
+ * The table size = the maximum number of elements.
+ *
+ * memory ::
+ * The memory object to use for all subsequent
+ * reallocations.
+ *
+ * @Return:
+ * FreeType error code. 0 means success.
+ */
FT_LOCAL_DEF( FT_Error )
ps_table_new( PS_Table table,
FT_Int count,
@@ -82,7 +84,6 @@
table->max_elems = count;
table->init = 0xDEADBEEFUL;
- table->num_elems = 0;
table->block = NULL;
table->capacity = 0;
table->cursor = 0;
@@ -97,45 +98,31 @@
}
- static void
- shift_elements( PS_Table table,
- FT_Byte* old_base )
- {
- FT_PtrDist delta = table->block - old_base;
- FT_Byte** offset = table->elements;
- FT_Byte** limit = offset + table->max_elems;
-
-
- for ( ; offset < limit; offset++ )
- {
- if ( offset[0] )
- offset[0] += delta;
- }
- }
-
-
static FT_Error
- reallocate_t1_table( PS_Table table,
- FT_Offset new_size )
+ ps_table_realloc( PS_Table table,
+ FT_Offset new_size )
{
FT_Memory memory = table->memory;
FT_Byte* old_base = table->block;
FT_Error error;
- /* allocate new base block */
- if ( FT_ALLOC( table->block, new_size ) )
- {
- table->block = old_base;
+ /* (re)allocate the base block */
+ if ( FT_REALLOC( table->block, table->capacity, new_size ) )
return error;
- }
- /* copy elements and shift offsets */
- if ( old_base )
+ /* rebase offsets if necessary */
+ if ( old_base && table->block != old_base )
{
- FT_MEM_COPY( table->block, old_base, table->capacity );
- shift_elements( table, old_base );
- FT_FREE( old_base );
+ FT_Byte** offset = table->elements;
+ FT_Byte** limit = offset + table->max_elems;
+
+
+ for ( ; offset < limit; offset++ )
+ {
+ if ( *offset )
+ *offset = table->block + ( *offset - old_base );
+ }
}
table->capacity = new_size;
@@ -144,33 +131,37 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ps_table_add */
- /* */
- /* <Description> */
- /* Adds an object to a PS_Table, possibly growing its memory block. */
- /* */
- /* <InOut> */
- /* table :: The target table. */
- /* */
- /* <Input> */
- /* idx :: The index of the object in the table. */
- /* */
- /* object :: The address of the object to copy in memory. */
- /* */
- /* length :: The length in bytes of the source object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. An error is returned if a */
- /* reallocation fails. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * ps_table_add
+ *
+ * @Description:
+ * Adds an object to a PS_Table, possibly growing its memory block.
+ *
+ * @InOut:
+ * table ::
+ * The target table.
+ *
+ * @Input:
+ * idx ::
+ * The index of the object in the table.
+ *
+ * object ::
+ * The address of the object to copy in memory.
+ *
+ * length ::
+ * The length in bytes of the source object.
+ *
+ * @Return:
+ * FreeType error code. 0 means success. An error is returned if a
+ * reallocation fails.
+ */
FT_LOCAL_DEF( FT_Error )
- ps_table_add( PS_Table table,
- FT_Int idx,
- void* object,
- FT_UInt length )
+ ps_table_add( PS_Table table,
+ FT_Int idx,
+ const void* object,
+ FT_UInt length )
{
if ( idx < 0 || idx >= table->max_elems )
{
@@ -198,7 +189,7 @@
new_size = FT_PAD_CEIL( new_size, 1024 );
}
- error = reallocate_t1_table( table, new_size );
+ error = ps_table_realloc( table, new_size );
if ( error )
return error;
@@ -207,7 +198,7 @@
}
/* add the object to the base block and adjust offset */
- table->elements[idx] = table->block + table->cursor;
+ table->elements[idx] = FT_OFFSET( table->block, table->cursor );
table->lengths [idx] = length;
FT_MEM_COPY( table->block + table->cursor, object, length );
@@ -216,43 +207,24 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ps_table_done */
- /* */
- /* <Description> */
- /* Finalizes a PS_TableRec (i.e., reallocate it to its current */
- /* cursor). */
- /* */
- /* <InOut> */
- /* table :: The target table. */
- /* */
- /* <Note> */
- /* This function does NOT release the heap's memory block. It is up */
- /* to the caller to clean it, or reference it in its own structures. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * ps_table_done
+ *
+ * @Description:
+ * Finalizes a PS_TableRec (i.e., reallocate it to its current
+ * cursor).
+ *
+ * @InOut:
+ * table ::
+ * The target table.
+ */
FT_LOCAL_DEF( void )
ps_table_done( PS_Table table )
{
- FT_Memory memory = table->memory;
- FT_Error error;
- FT_Byte* old_base = table->block;
-
-
- /* should never fail, because rec.cursor <= rec.size */
- if ( !old_base )
- return;
-
- if ( FT_ALLOC( table->block, table->cursor ) )
- return;
- FT_MEM_COPY( table->block, old_base, table->cursor );
- shift_elements( table, old_base );
-
- table->capacity = table->cursor;
- FT_FREE( old_base );
-
- FT_UNUSED( error );
+ /* no problem if shrinking fails */
+ ps_table_realloc( table, table->cursor );
}
@@ -262,7 +234,7 @@
FT_Memory memory = table->memory;
- if ( (FT_ULong)table->init == 0xDEADBEEFUL )
+ if ( table->init == 0xDEADBEEFUL )
{
FT_FREE( table->block );
FT_FREE( table->elements );
@@ -498,12 +470,12 @@
}
- /***********************************************************************/
- /* */
- /* All exported parsing routines handle leading whitespace and stop at */
- /* the first character which isn't part of the just handled token. */
- /* */
- /***********************************************************************/
+ /************************************************************************
+ *
+ * All exported parsing routines handle leading whitespace and stop at
+ * the first character which isn't part of the just handled token.
+ *
+ */
FT_LOCAL_DEF( void )
@@ -545,7 +517,7 @@
if ( *cur == '<' ) /* <...> */
{
- if ( cur + 1 < limit && *(cur + 1) == '<' ) /* << */
+ if ( cur + 1 < limit && *( cur + 1 ) == '<' ) /* << */
{
cur++;
cur++;
@@ -588,10 +560,10 @@
if ( cur < limit && cur == parser->cursor )
{
FT_ERROR(( "ps_parser_skip_PS_token:"
- " current token is `%c' which is self-delimiting\n"
- " "
- " but invalid at this point\n",
+ " current token is `%c' which is self-delimiting\n",
*cur ));
+ FT_ERROR(( " "
+ " but invalid at this point\n" ));
error = FT_THROW( Invalid_File_Format );
}
@@ -972,7 +944,7 @@
}
len = (FT_UInt)( cur - *cursor );
- if ( cur >= limit || FT_ALLOC( result, len + 1 ) )
+ if ( cur >= limit || FT_QALLOC( result, len + 1 ) )
return 0;
/* now copy the string */
@@ -1091,7 +1063,6 @@
{
FT_Byte* q = (FT_Byte*)objects[idx] + field->offset;
FT_Long val;
- FT_String* string = NULL;
skip_spaces( &cur, limit );
@@ -1100,18 +1071,22 @@
{
case T1_FIELD_TYPE_BOOL:
val = ps_tobool( &cur, limit );
+ FT_TRACE4(( " %s", val ? "true" : "false" ));
goto Store_Integer;
case T1_FIELD_TYPE_FIXED:
val = PS_Conv_ToFixed( &cur, limit, 0 );
+ FT_TRACE4(( " %f", (double)val / 65536 ));
goto Store_Integer;
case T1_FIELD_TYPE_FIXED_1000:
val = PS_Conv_ToFixed( &cur, limit, 3 );
+ FT_TRACE4(( " %f", (double)val / 65536 / 1000 ));
goto Store_Integer;
case T1_FIELD_TYPE_INTEGER:
val = PS_Conv_ToInt( &cur, limit );
+ FT_TRACE4(( " %ld", val ));
/* fall through */
Store_Integer:
@@ -1137,8 +1112,9 @@
case T1_FIELD_TYPE_STRING:
case T1_FIELD_TYPE_KEY:
{
- FT_Memory memory = parser->memory;
- FT_UInt len = (FT_UInt)( limit - cur );
+ FT_Memory memory = parser->memory;
+ FT_UInt len = (FT_UInt)( limit - cur );
+ FT_String* string = NULL;
if ( cur >= limit )
@@ -1164,8 +1140,8 @@
else
{
FT_ERROR(( "ps_parser_load_field:"
- " expected a name or string\n"
- " "
+ " expected a name or string\n" ));
+ FT_ERROR(( " "
" but found token of type %d instead\n",
token.type ));
error = FT_THROW( Invalid_File_Format );
@@ -1179,15 +1155,21 @@
FT_TRACE0(( "ps_parser_load_field: overwriting field %s\n",
field->ident ));
FT_FREE( *(FT_String**)q );
- *(FT_String**)q = NULL;
}
- if ( FT_ALLOC( string, len + 1 ) )
+ if ( FT_QALLOC( string, len + 1 ) )
goto Exit;
FT_MEM_COPY( string, cur, len );
string[len] = 0;
+#ifdef FT_DEBUG_LEVEL_TRACE
+ if ( token.type == T1_TOKEN_TYPE_STRING )
+ FT_TRACE4(( " (%s)", string ));
+ else
+ FT_TRACE4(( " /%s", string ));
+#endif
+
*(FT_String**)q = string;
}
break;
@@ -1213,6 +1195,12 @@
bbox->yMin = FT_RoundFix( temp[1] );
bbox->xMax = FT_RoundFix( temp[2] );
bbox->yMax = FT_RoundFix( temp[3] );
+
+ FT_TRACE4(( " [%ld %ld %ld %ld]",
+ bbox->xMin / 65536,
+ bbox->yMin / 65536,
+ bbox->xMax / 65536,
+ bbox->yMax / 65536 ));
}
break;
@@ -1224,7 +1212,7 @@
FT_UInt i;
- if ( FT_NEW_ARRAY( temp, max_objects * 4 ) )
+ if ( FT_QNEW_ARRAY( temp, max_objects * 4 ) )
goto Exit;
for ( i = 0; i < 4; i++ )
@@ -1234,14 +1222,14 @@
if ( result < 0 || (FT_UInt)result < max_objects )
{
FT_ERROR(( "ps_parser_load_field:"
- " expected %d integer%s in the %s subarray\n"
- " "
- " of /FontBBox in the /Blend dictionary\n",
+ " expected %d integer%s in the %s subarray\n",
max_objects, max_objects > 1 ? "s" : "",
i == 0 ? "first"
: ( i == 1 ? "second"
: ( i == 2 ? "third"
: "fourth" ) ) ));
+ FT_ERROR(( " "
+ " of /FontBBox in the /Blend dictionary\n" ));
error = FT_THROW( Invalid_File_Format );
FT_FREE( temp );
@@ -1251,6 +1239,7 @@
skip_spaces( &cur, limit );
}
+ FT_TRACE4(( " [" ));
for ( i = 0; i < max_objects; i++ )
{
FT_BBox* bbox = (FT_BBox*)objects[i];
@@ -1260,7 +1249,14 @@
bbox->yMin = FT_RoundFix( temp[i + max_objects] );
bbox->xMax = FT_RoundFix( temp[i + 2 * max_objects] );
bbox->yMax = FT_RoundFix( temp[i + 3 * max_objects] );
+
+ FT_TRACE4(( " [%ld %ld %ld %ld]",
+ bbox->xMin / 65536,
+ bbox->yMin / 65536,
+ bbox->xMax / 65536,
+ bbox->yMax / 65536 ));
}
+ FT_TRACE4(( "]" ));
FT_FREE( temp );
}
@@ -1333,6 +1329,8 @@
*(FT_Byte*)( (FT_Byte*)objects[0] + field->count_offset ) =
(FT_Byte)num_elements;
+ FT_TRACE4(( " [" ));
+
/* we now load each element, adjusting the field.offset on each one */
token = elements;
for ( ; num_elements > 0; num_elements--, token++ )
@@ -1351,6 +1349,8 @@
fieldrec.offset += fieldrec.size;
}
+ FT_TRACE4(( "]" ));
+
#if 0 /* obsolete -- keep for reference */
if ( pflags )
*pflags |= 1L << field->flag_bit;
@@ -1410,6 +1410,8 @@
bytes,
max_bytes );
+ parser->cursor = cur;
+
if ( delimiters )
{
if ( cur < parser->limit && *cur != '>' )
@@ -1419,11 +1421,9 @@
goto Exit;
}
- cur++;
+ parser->cursor++;
}
- parser->cursor = cur;
-
Exit:
return error;
}
@@ -1509,26 +1509,31 @@
/*************************************************************************/
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <Function> */
- /* t1_builder_init */
- /* */
- /* <Description> */
- /* Initializes a given glyph builder. */
- /* */
- /* <InOut> */
- /* builder :: A pointer to the glyph builder to initialize. */
- /* */
- /* <Input> */
- /* face :: The current face object. */
- /* */
- /* size :: The current size object. */
- /* */
- /* glyph :: The current glyph object. */
- /* */
- /* hinting :: Whether hinting should be applied. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * t1_builder_init
+ *
+ * @Description:
+ * Initializes a given glyph builder.
+ *
+ * @InOut:
+ * builder ::
+ * A pointer to the glyph builder to initialize.
+ *
+ * @Input:
+ * face ::
+ * The current face object.
+ *
+ * size ::
+ * The current size object.
+ *
+ * glyph ::
+ * The current glyph object.
+ *
+ * hinting ::
+ * Whether hinting should be applied.
+ */
FT_LOCAL_DEF( void )
t1_builder_init( T1_Builder builder,
FT_Face face,
@@ -1572,19 +1577,20 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* t1_builder_done */
- /* */
- /* <Description> */
- /* Finalizes a given glyph builder. Its contents can still be used */
- /* after the call, but the function saves important information */
- /* within the corresponding glyph slot. */
- /* */
- /* <Input> */
- /* builder :: A pointer to the glyph builder to finalize. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * t1_builder_done
+ *
+ * @Description:
+ * Finalizes a given glyph builder. Its contents can still be used
+ * after the call, but the function saves important information
+ * within the corresponding glyph slot.
+ *
+ * @Input:
+ * builder ::
+ * A pointer to the glyph builder to finalize.
+ */
FT_LOCAL_DEF( void )
t1_builder_done( T1_Builder builder )
{
@@ -1769,26 +1775,31 @@
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <Function> */
- /* cff_builder_init */
- /* */
- /* <Description> */
- /* Initializes a given glyph builder. */
- /* */
- /* <InOut> */
- /* builder :: A pointer to the glyph builder to initialize. */
- /* */
- /* <Input> */
- /* face :: The current face object. */
- /* */
- /* size :: The current size object. */
- /* */
- /* glyph :: The current glyph object. */
- /* */
- /* hinting :: Whether hinting is active. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * cff_builder_init
+ *
+ * @Description:
+ * Initializes a given glyph builder.
+ *
+ * @InOut:
+ * builder ::
+ * A pointer to the glyph builder to initialize.
+ *
+ * @Input:
+ * face ::
+ * The current face object.
+ *
+ * size ::
+ * The current size object.
+ *
+ * glyph ::
+ * The current glyph object.
+ *
+ * hinting ::
+ * Whether hinting is active.
+ */
FT_LOCAL_DEF( void )
cff_builder_init( CFF_Builder* builder,
TT_Face face,
@@ -1841,19 +1852,20 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* cff_builder_done */
- /* */
- /* <Description> */
- /* Finalizes a given glyph builder. Its contents can still be used */
- /* after the call, but the function saves important information */
- /* within the corresponding glyph slot. */
- /* */
- /* <Input> */
- /* builder :: A pointer to the glyph builder to finalize. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * cff_builder_done
+ *
+ * @Description:
+ * Finalizes a given glyph builder. Its contents can still be used
+ * after the call, but the function saves important information
+ * within the corresponding glyph slot.
+ *
+ * @Input:
+ * builder ::
+ * A pointer to the glyph builder to finalize.
+ */
FT_LOCAL_DEF( void )
cff_builder_done( CFF_Builder* builder )
{
@@ -1993,6 +2005,14 @@
first = outline->n_contours <= 1
? 0 : outline->contours[outline->n_contours - 2] + 1;
+ /* in malformed fonts it can happen that a contour was started */
+ /* but no points were added */
+ if ( outline->n_contours && first == outline->n_points )
+ {
+ outline->n_contours--;
+ return;
+ }
+
/* We must not include the last point in the path if it */
/* is located on the first point. */
if ( outline->n_points > 1 )
@@ -2033,26 +2053,31 @@
/*************************************************************************/
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ps_builder_init */
- /* */
- /* <Description> */
- /* Initializes a given glyph builder. */
- /* */
- /* <InOut> */
- /* builder :: A pointer to the glyph builder to initialize. */
- /* */
- /* <Input> */
- /* face :: The current face object. */
- /* */
- /* size :: The current size object. */
- /* */
- /* glyph :: The current glyph object. */
- /* */
- /* hinting :: Whether hinting should be applied. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * ps_builder_init
+ *
+ * @Description:
+ * Initializes a given glyph builder.
+ *
+ * @InOut:
+ * builder ::
+ * A pointer to the glyph builder to initialize.
+ *
+ * @Input:
+ * face ::
+ * The current face object.
+ *
+ * size ::
+ * The current size object.
+ *
+ * glyph ::
+ * The current glyph object.
+ *
+ * hinting ::
+ * Whether hinting should be applied.
+ */
FT_LOCAL_DEF( void )
ps_builder_init( PS_Builder* ps_builder,
void* builder,
@@ -2116,19 +2141,20 @@
}
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ps_builder_done */
- /* */
- /* <Description> */
- /* Finalizes a given glyph builder. Its contents can still be used */
- /* after the call, but the function saves important information */
- /* within the corresponding glyph slot. */
- /* */
- /* <Input> */
- /* builder :: A pointer to the glyph builder to finalize. */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * ps_builder_done
+ *
+ * @Description:
+ * Finalizes a given glyph builder. Its contents can still be used
+ * after the call, but the function saves important information
+ * within the corresponding glyph slot.
+ *
+ * @Input:
+ * builder ::
+ * A pointer to the glyph builder to finalize.
+ */
FT_LOCAL_DEF( void )
ps_builder_done( PS_Builder* builder )
{
@@ -2336,23 +2362,26 @@
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ps_decoder_init */
- /* */
- /* <Description> */
- /* Creates a wrapper decoder for use in the combined */
- /* Type 1 / CFF interpreter. */
- /* */
- /* <InOut> */
- /* ps_decoder :: A pointer to the decoder to initialize. */
- /* */
- /* <Input> */
- /* decoder :: A pointer to the original decoder. */
- /* */
- /* is_t1 :: Flag indicating Type 1 or CFF */
- /* */
+ /**************************************************************************
+ *
+ * @Function:
+ * ps_decoder_init
+ *
+ * @Description:
+ * Creates a wrapper decoder for use in the combined
+ * Type 1 / CFF interpreter.
+ *
+ * @InOut:
+ * ps_decoder ::
+ * A pointer to the decoder to initialize.
+ *
+ * @Input:
+ * decoder ::
+ * A pointer to the original decoder.
+ *
+ * is_t1 ::
+ * Flag indicating Type 1 or CFF
+ */
FT_LOCAL_DEF( void )
ps_decoder_init( PS_Decoder* ps_decoder,
void* decoder,
@@ -2511,7 +2540,7 @@
FT_UShort seed )
{
PS_Conv_EexecDecode( &buffer,
- buffer + length,
+ FT_OFFSET( buffer, length ),
buffer,
length,
&seed );
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-18 04:27:55 +0000