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src/java.desktop/share/native/libfreetype/src/psaux/psobjs.c
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@@ -1,21 +1,21 @@
-/***************************************************************************/
-/* */
-/* 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. */
-/* */
-/***************************************************************************/
+/****************************************************************************
+ *
+ * psobjs.c
+ *
+ * Auxiliary functions for PostScript fonts (body).
+ *
+ * Copyright (C) 1996-2019 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
@@ -27,48 +27,51 @@
#include "psauxerr.h"
#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
/*************************************************************************/
/*************************************************************************/
/***** *****/
/***** PS_TABLE *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <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,
FT_Memory memory )
{
@@ -142,32 +145,36 @@
return FT_Err_Ok;
}
- /*************************************************************************/
- /* */
- /* <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 )
@@ -214,26 +221,27 @@
table->cursor += length;
return FT_Err_Ok;
}
- /*************************************************************************/
- /* */
- /* <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.
+ *
+ * @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.
+ */
FT_LOCAL_DEF( void )
ps_table_done( PS_Table table )
{
FT_Memory memory = table->memory;
FT_Error error;
@@ -496,16 +504,16 @@
return error;
}
- /***********************************************************************/
- /* */
- /* 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 )
ps_parser_skip_PS_token( PS_Parser parser )
{
@@ -1098,22 +1106,26 @@
switch ( type )
{
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:
switch ( field->size )
{
@@ -1186,10 +1198,17 @@
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;
case T1_FIELD_TYPE_BBOX:
@@ -1211,10 +1230,16 @@
bbox->xMin = FT_RoundFix( temp[0] );
bbox->yMin = FT_RoundFix( temp[1] );
bbox->xMax = FT_RoundFix( temp[2] );
bbox->yMax = FT_RoundFix( temp[3] );
+
+ FT_TRACE4(( " [%d %d %d %d]",
+ bbox->xMin / 65536,
+ bbox->yMin / 65536,
+ bbox->xMax / 65536,
+ bbox->yMax / 65536 ));
}
break;
case T1_FIELD_TYPE_MM_BBOX:
{
@@ -1249,20 +1274,28 @@
}
skip_spaces( &cur, limit );
}
+ FT_TRACE4(( " [" ));
for ( i = 0; i < max_objects; i++ )
{
FT_BBox* bbox = (FT_BBox*)objects[i];
bbox->xMin = FT_RoundFix( temp[i ] );
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(( " [%d %d %d %d]",
+ bbox->xMin / 65536,
+ bbox->yMin / 65536,
+ bbox->xMax / 65536,
+ bbox->yMax / 65536 ));
}
+ FT_TRACE4(( "]" ));
FT_FREE( temp );
}
break;
@@ -1331,10 +1364,12 @@
/* we further assume that `count_offset' can't be zero */
if ( field->type != T1_FIELD_TYPE_BBOX && field->count_offset != 0 )
*(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++ )
{
parser->cursor = token->start;
@@ -1349,10 +1384,12 @@
break;
fieldrec.offset += fieldrec.size;
}
+ FT_TRACE4(( "]" ));
+
#if 0 /* obsolete -- keep for reference */
if ( pflags )
*pflags |= 1L << field->flag_bit;
#else
FT_UNUSED( pflags );
@@ -1408,24 +1445,24 @@
*pnum_bytes = PS_Conv_ASCIIHexDecode( &cur,
parser->limit,
bytes,
max_bytes );
+ parser->cursor = cur;
+
if ( delimiters )
{
if ( cur < parser->limit && *cur != '>' )
{
FT_ERROR(( "ps_parser_to_bytes: Missing closing delimiter `>'\n" ));
error = FT_THROW( Invalid_File_Format );
goto Exit;
}
- cur++;
+ parser->cursor++;
}
- parser->cursor = cur;
-
Exit:
return error;
}
@@ -1507,30 +1544,35 @@
/***** T1 BUILDER *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <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,
FT_Size size,
FT_GlyphSlot glyph,
@@ -1570,23 +1612,24 @@
builder->funcs = t1_builder_funcs;
}
- /*************************************************************************/
- /* */
- /* <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 )
{
FT_GlyphSlot glyph = builder->glyph;
@@ -1767,30 +1810,35 @@
/***** *****/
/*************************************************************************/
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <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,
CFF_Size size,
CFF_GlyphSlot glyph,
@@ -1839,23 +1887,24 @@
builder->funcs = cff_builder_funcs;
}
- /*************************************************************************/
- /* */
- /* <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 )
{
CFF_GlyphSlot glyph = builder->glyph;
@@ -1991,10 +2040,18 @@
return;
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 )
{
FT_Vector* p1 = outline->points + first;
@@ -2031,30 +2088,35 @@
/***** PS BUILDER *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <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,
FT_Bool is_t1 )
{
@@ -2114,23 +2176,24 @@
ps_builder->is_t1 = is_t1;
ps_builder->funcs = ps_builder_funcs;
}
- /*************************************************************************/
- /* */
- /* <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 )
{
CFF_GlyphSlot glyph = builder->glyph;
@@ -2334,27 +2397,30 @@
/***** *****/
/*************************************************************************/
/*************************************************************************/
- /*************************************************************************/
- /* */
- /* <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,
FT_Bool is_t1 )
{
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