/* */
/* The FreeType basic cache interface (body). */
/* */
-/* Copyright 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011 by */
+/* Copyright 2003-2007, 2009-2011, 2013, 2014 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
#define FT_COMPONENT trace_cache
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
-
- /*
- * These structures correspond to the FTC_Font and FTC_ImageDesc types
- * that were defined in version 2.1.7.
- */
- typedef struct FTC_OldFontRec_
- {
- FTC_FaceID face_id;
- FT_UShort pix_width;
- FT_UShort pix_height;
-
- } FTC_OldFontRec, *FTC_OldFont;
-
-
- typedef struct FTC_OldImageDescRec_
- {
- FTC_OldFontRec font;
- FT_UInt32 flags;
-
- } FTC_OldImageDescRec, *FTC_OldImageDesc;
-
-
- /*
- * Notice that FTC_OldImageDescRec and FTC_ImageTypeRec are nearly
- * identical, bit-wise. The only difference is that the `width' and
- * `height' fields are expressed as 16-bit integers in the old structure,
- * and as normal `int' in the new one.
- *
- * We are going to perform a weird hack to detect which structure is
- * being passed to the image and sbit caches. If the new structure's
- * `width' is larger than 0x10000, we assume that we are really receiving
- * an FTC_OldImageDesc.
- */
-
-#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
-
-
/*
* Basic Families
*
return result;
if ( (FT_ULong)face->num_glyphs > FT_UINT_MAX || 0 > face->num_glyphs )
- {
- FT_TRACE1(( "ftc_basic_family_get_count: too large number of glyphs " ));
- FT_TRACE1(( "in this face, truncated\n", face->num_glyphs ));
- }
+ FT_TRACE1(( "ftc_basic_family_get_count:"
+ " too large number of glyphs in this face, truncated\n",
+ face->num_glyphs ));
if ( !error )
result = (FT_UInt)face->num_glyphs;
}
}
else
- error = FTC_Err_Invalid_Argument;
+ error = FT_THROW( Invalid_Argument );
}
}
*
*/
- FT_CALLBACK_TABLE_DEF
+ static
const FTC_IFamilyClassRec ftc_basic_image_family_class =
{
{
};
- FT_CALLBACK_TABLE_DEF
+ static
const FTC_GCacheClassRec ftc_basic_image_cache_class =
{
{
FT_PtrDist hash;
- /* some argument checks are delayed to FTC_Cache_Lookup */
+ /* some argument checks are delayed to `FTC_Cache_Lookup' */
if ( !aglyph )
{
- error = FTC_Err_Invalid_Argument;
+ error = FT_THROW( Invalid_Argument );
goto Exit;
}
if ( anode )
*anode = NULL;
-#if defined( FT_CONFIG_OPTION_OLD_INTERNALS ) && ( FT_INT_MAX > 0xFFFFU )
-
- /*
- * This one is a major hack used to detect whether we are passed a
- * regular FTC_ImageType handle, or a legacy FTC_OldImageDesc one.
- */
- if ( (FT_ULong)type->width >= 0x10000L )
- {
- FTC_OldImageDesc desc = (FTC_OldImageDesc)type;
-
-
- query.attrs.scaler.face_id = desc->font.face_id;
- query.attrs.scaler.width = desc->font.pix_width;
- query.attrs.scaler.height = desc->font.pix_height;
- query.attrs.load_flags = desc->flags;
- }
- else
-
-#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
-
- {
- if ( (FT_ULong)(type->flags - FT_INT_MIN) > FT_UINT_MAX )
- {
- FT_TRACE1(( "FTC_ImageCache_Lookup: higher bits in load_flags" ));
- FT_TRACE1(( "0x%x are dropped\n", (type->flags & ~((FT_ULong)FT_UINT_MAX)) ));
- }
+ if ( (FT_ULong)( type->flags - FT_INT_MIN ) > FT_UINT_MAX )
+ FT_TRACE1(( "FTC_ImageCache_Lookup:"
+ " higher bits in load_flags 0x%x are dropped\n",
+ type->flags & ~((FT_ULong)FT_UINT_MAX) ));
- query.attrs.scaler.face_id = type->face_id;
- query.attrs.scaler.width = type->width;
- query.attrs.scaler.height = type->height;
- query.attrs.load_flags = (FT_UInt)type->flags;
- }
+ query.attrs.scaler.face_id = type->face_id;
+ query.attrs.scaler.width = type->width;
+ query.attrs.scaler.height = type->height;
+ query.attrs.load_flags = (FT_UInt)type->flags;
query.attrs.scaler.pixel = 1;
query.attrs.scaler.x_res = 0; /* make compilers happy */
FT_PtrDist hash;
- /* some argument checks are delayed to FTC_Cache_Lookup */
+ /* some argument checks are delayed to `FTC_Cache_Lookup' */
if ( !aglyph || !scaler )
{
- error = FTC_Err_Invalid_Argument;
+ error = FT_THROW( Invalid_Argument );
goto Exit;
}
if ( anode )
*anode = NULL;
- /* FT_Load_Glyph(), FT_Load_Char() take FT_UInt flags */
+ /* `FT_Load_Glyph' and `FT_Load_Char' take FT_UInt flags */
if ( load_flags > FT_UINT_MAX )
- {
- FT_TRACE1(( "FTC_ImageCache_LookupScaler: higher bits in load_flags" ));
- FT_TRACE1(( "0x%x are dropped\n", (load_flags & ~((FT_ULong)FT_UINT_MAX)) ));
- }
+ FT_TRACE1(( "FTC_ImageCache_LookupScaler:"
+ " higher bits in load_flags 0x%x are dropped\n",
+ load_flags & ~((FT_ULong)FT_UINT_MAX) ));
query.attrs.scaler = scaler[0];
query.attrs.load_flags = (FT_UInt)load_flags;
}
+ /*
+ *
+ * basic small bitmap cache
+ *
+ */
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
-
- /* yet another backwards-legacy structure */
- typedef struct FTC_OldImage_Desc_
- {
- FTC_FontRec font;
- FT_UInt image_type;
-
- } FTC_OldImage_Desc;
-
-
-#define FTC_OLD_IMAGE_FORMAT( x ) ( (x) & 7 )
-
-
-#define ftc_old_image_format_bitmap 0x0000
-#define ftc_old_image_format_outline 0x0001
-
-#define ftc_old_image_format_mask 0x000F
-
-#define ftc_old_image_flag_monochrome 0x0010
-#define ftc_old_image_flag_unhinted 0x0020
-#define ftc_old_image_flag_autohinted 0x0040
-#define ftc_old_image_flag_unscaled 0x0080
-#define ftc_old_image_flag_no_sbits 0x0100
-
- /* monochrome bitmap */
-#define ftc_old_image_mono ftc_old_image_format_bitmap | \
- ftc_old_image_flag_monochrome
-
- /* anti-aliased bitmap */
-#define ftc_old_image_grays ftc_old_image_format_bitmap
-
- /* scaled outline */
-#define ftc_old_image_outline ftc_old_image_format_outline
-
-
- static void
- ftc_image_type_from_old_desc( FTC_ImageType typ,
- FTC_OldImage_Desc* desc )
- {
- typ->face_id = desc->font.face_id;
- typ->width = desc->font.pix_width;
- typ->height = desc->font.pix_height;
-
- /* convert image type flags to load flags */
- {
- FT_UInt load_flags = FT_LOAD_DEFAULT;
- FT_UInt type = desc->image_type;
-
-
- /* determine load flags, depending on the font description's */
- /* image type */
-
- if ( FTC_OLD_IMAGE_FORMAT( type ) == ftc_old_image_format_bitmap )
- {
- if ( type & ftc_old_image_flag_monochrome )
- load_flags |= FT_LOAD_MONOCHROME;
-
- /* disable embedded bitmaps loading if necessary */
- if ( type & ftc_old_image_flag_no_sbits )
- load_flags |= FT_LOAD_NO_BITMAP;
- }
- else
- {
- /* we want an outline, don't load embedded bitmaps */
- load_flags |= FT_LOAD_NO_BITMAP;
-
- if ( type & ftc_old_image_flag_unscaled )
- load_flags |= FT_LOAD_NO_SCALE;
- }
-
- /* always render glyphs to bitmaps */
- load_flags |= FT_LOAD_RENDER;
-
- if ( type & ftc_old_image_flag_unhinted )
- load_flags |= FT_LOAD_NO_HINTING;
-
- if ( type & ftc_old_image_flag_autohinted )
- load_flags |= FT_LOAD_FORCE_AUTOHINT;
-
- typ->flags = load_flags;
- }
- }
-
-
- FT_EXPORT( FT_Error )
- FTC_Image_Cache_New( FTC_Manager manager,
- FTC_ImageCache *acache );
-
- FT_EXPORT( FT_Error )
- FTC_Image_Cache_Lookup( FTC_ImageCache icache,
- FTC_OldImage_Desc* desc,
- FT_UInt gindex,
- FT_Glyph *aglyph );
-
-
- FT_EXPORT_DEF( FT_Error )
- FTC_Image_Cache_New( FTC_Manager manager,
- FTC_ImageCache *acache )
- {
- return FTC_ImageCache_New( manager, (FTC_ImageCache*)acache );
- }
-
-
-
- FT_EXPORT_DEF( FT_Error )
- FTC_Image_Cache_Lookup( FTC_ImageCache icache,
- FTC_OldImage_Desc* desc,
- FT_UInt gindex,
- FT_Glyph *aglyph )
- {
- FTC_ImageTypeRec type0;
-
-
- if ( !desc )
- return FTC_Err_Invalid_Argument;
-
- ftc_image_type_from_old_desc( &type0, desc );
-
- return FTC_ImageCache_Lookup( (FTC_ImageCache)icache,
- &type0,
- gindex,
- aglyph,
- NULL );
- }
-
-#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
-
-
- /*
- *
- * basic small bitmap cache
- *
- */
-
-
- FT_CALLBACK_TABLE_DEF
+ static
const FTC_SFamilyClassRec ftc_basic_sbit_family_class =
{
{
};
- FT_CALLBACK_TABLE_DEF
+ static
const FTC_GCacheClassRec ftc_basic_sbit_cache_class =
{
{
if ( anode )
*anode = NULL;
- /* other argument checks delayed to FTC_Cache_Lookup */
+ /* other argument checks delayed to `FTC_Cache_Lookup' */
if ( !ansbit )
- return FTC_Err_Invalid_Argument;
+ return FT_THROW( Invalid_Argument );
*ansbit = NULL;
-#if defined( FT_CONFIG_OPTION_OLD_INTERNALS ) && ( FT_INT_MAX > 0xFFFFU )
+ if ( (FT_ULong)( type->flags - FT_INT_MIN ) > FT_UINT_MAX )
+ FT_TRACE1(( "FTC_ImageCache_Lookup:"
+ " higher bits in load_flags 0x%x are dropped\n",
+ type->flags & ~((FT_ULong)FT_UINT_MAX) ));
- /* This one is a major hack used to detect whether we are passed a
- * regular FTC_ImageType handle, or a legacy FTC_OldImageDesc one.
- */
- if ( (FT_ULong)type->width >= 0x10000L )
- {
- FTC_OldImageDesc desc = (FTC_OldImageDesc)type;
-
-
- query.attrs.scaler.face_id = desc->font.face_id;
- query.attrs.scaler.width = desc->font.pix_width;
- query.attrs.scaler.height = desc->font.pix_height;
- query.attrs.load_flags = desc->flags;
- }
- else
-
-#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
-
- {
- if ( (FT_ULong)(type->flags - FT_INT_MIN) > FT_UINT_MAX )
- {
- FT_TRACE1(( "FTC_ImageCache_Lookup: higher bits in load_flags" ));
- FT_TRACE1(( "0x%x are dropped\n", (type->flags & ~((FT_ULong)FT_UINT_MAX)) ));
- }
-
- query.attrs.scaler.face_id = type->face_id;
- query.attrs.scaler.width = type->width;
- query.attrs.scaler.height = type->height;
- query.attrs.load_flags = (FT_UInt)type->flags;
- }
+ query.attrs.scaler.face_id = type->face_id;
+ query.attrs.scaler.width = type->width;
+ query.attrs.scaler.height = type->height;
+ query.attrs.load_flags = (FT_UInt)type->flags;
query.attrs.scaler.pixel = 1;
query.attrs.scaler.x_res = 0; /* make compilers happy */
if ( anode )
*anode = NULL;
- /* other argument checks delayed to FTC_Cache_Lookup */
+ /* other argument checks delayed to `FTC_Cache_Lookup' */
if ( !ansbit || !scaler )
- return FTC_Err_Invalid_Argument;
+ return FT_THROW( Invalid_Argument );
*ansbit = NULL;
- /* FT_Load_Glyph(), FT_Load_Char() take FT_UInt flags */
+ /* `FT_Load_Glyph' and `FT_Load_Char' take FT_UInt flags */
if ( load_flags > FT_UINT_MAX )
- {
- FT_TRACE1(( "FTC_ImageCache_LookupScaler: higher bits in load_flags" ));
- FT_TRACE1(( "0x%x are dropped\n", (load_flags & ~((FT_ULong)FT_UINT_MAX)) ));
- }
+ FT_TRACE1(( "FTC_ImageCache_LookupScaler:"
+ " higher bits in load_flags 0x%x are dropped\n",
+ load_flags & ~((FT_ULong)FT_UINT_MAX) ));
query.attrs.scaler = scaler[0];
query.attrs.load_flags = (FT_UInt)load_flags;
}
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
-
- FT_EXPORT( FT_Error )
- FTC_SBit_Cache_New( FTC_Manager manager,
- FTC_SBitCache *acache );
-
- FT_EXPORT( FT_Error )
- FTC_SBit_Cache_Lookup( FTC_SBitCache cache,
- FTC_OldImage_Desc* desc,
- FT_UInt gindex,
- FTC_SBit *ansbit );
-
-
- FT_EXPORT_DEF( FT_Error )
- FTC_SBit_Cache_New( FTC_Manager manager,
- FTC_SBitCache *acache )
- {
- return FTC_SBitCache_New( manager, (FTC_SBitCache*)acache );
- }
-
-
- FT_EXPORT_DEF( FT_Error )
- FTC_SBit_Cache_Lookup( FTC_SBitCache cache,
- FTC_OldImage_Desc* desc,
- FT_UInt gindex,
- FTC_SBit *ansbit )
- {
- FTC_ImageTypeRec type0;
-
-
- if ( !desc )
- return FTC_Err_Invalid_Argument;
-
- ftc_image_type_from_old_desc( &type0, desc );
-
- return FTC_SBitCache_Lookup( (FTC_SBitCache)cache,
- &type0,
- gindex,
- ansbit,
- NULL );
- }
-
-#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
-
-
/* END */
projects / framework / graphics / freetype.git / blobdiff