diff options
Diffstat (limited to 'third_party/freetype/src/base')
| -rw-r--r-- | third_party/freetype/src/base/Jamfile | 87 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftapi.c | 121 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftbbox.c | 509 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftbdf.c | 91 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftcid.c | 118 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftdebug.c | 266 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftgasp.c | 61 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftgxval.c | 142 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftmac.c | 1080 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftotval.c | 91 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftpatent.c | 287 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftpfr.c | 153 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftstroke.c | 2468 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftsynth.c | 163 | ||||
| -rw-r--r-- | third_party/freetype/src/base/ftwinfnt.c | 53 | ||||
| -rw-r--r-- | third_party/freetype/src/base/md5.c | 296 | ||||
| -rw-r--r-- | third_party/freetype/src/base/md5.h | 45 |
17 files changed, 0 insertions, 6031 deletions
diff --git a/third_party/freetype/src/base/Jamfile b/third_party/freetype/src/base/Jamfile deleted file mode 100644 index e39fb096b2..0000000000 --- a/third_party/freetype/src/base/Jamfile +++ /dev/null @@ -1,87 +0,0 @@ -# FreeType 2 src/base Jamfile -# -# Copyright 2001-2015 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. - -SubDir FT2_TOP $(FT2_SRC_DIR) base ; - - -{ - local _sources ; - - if $(FT2_MULTI) - { - _sources = basepic - ftadvanc - ftcalc - ftdbgmem - ftgloadr - ftobjs - ftoutln - ftpic - ftrfork - ftsnames - ftstream - fttrigon - ftutil - ; - } - else - { - _sources = ftbase ; - } - - Library $(FT2_LIB) : $(_sources).c ; -} - -# Add the optional/replaceable files. -# -{ - local _sources = ftapi - ftbbox - ftbdf - ftbitmap - ftcid - ftdebug - ftfntfmt - ftfstype - ftgasp - ftglyph - ftgxval - ftinit - ftlcdfil - ftmm - ftotval - ftpatent - ftpfr - ftstroke - ftsynth - ftsystem - fttype1 - ftwinfnt - ; - - Library $(FT2_LIB) : $(_sources).c ; -} - -# Add Macintosh-specific file to the library when necessary. -# -if $(MAC) -{ - Library $(FT2_LIB) : ftmac.c ; -} -else if $(OS) = MACOSX -{ - if $(FT2_MULTI) - { - Library $(FT2_LIB) : ftmac.c ; - } -} - -# end of src/base Jamfile diff --git a/third_party/freetype/src/base/ftapi.c b/third_party/freetype/src/base/ftapi.c deleted file mode 100644 index f22a181b59..0000000000 --- a/third_party/freetype/src/base/ftapi.c +++ /dev/null @@ -1,121 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftapi.c */ -/* */ -/* The FreeType compatibility functions (body). */ -/* */ -/* Copyright 2002-2015 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_LIST_H -#include FT_OUTLINE_H -#include FT_INTERNAL_OBJECTS_H -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_STREAM_H -#include FT_TRUETYPE_TABLES_H -#include FT_OUTLINE_H - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** ****/ - /**** C O M P A T I B I L I T Y ****/ - /**** ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - /* backwards compatibility API */ - - FT_BASE_DEF( void ) - FT_New_Memory_Stream( FT_Library library, - FT_Byte* base, - FT_ULong size, - FT_Stream stream ) - { - FT_UNUSED( library ); - - FT_Stream_OpenMemory( stream, base, size ); - } - - - FT_BASE_DEF( FT_Error ) - FT_Seek_Stream( FT_Stream stream, - FT_ULong pos ) - { - return FT_Stream_Seek( stream, pos ); - } - - - FT_BASE_DEF( FT_Error ) - FT_Skip_Stream( FT_Stream stream, - FT_Long distance ) - { - return FT_Stream_Skip( stream, distance ); - } - - - FT_BASE_DEF( FT_Error ) - FT_Read_Stream( FT_Stream stream, - FT_Byte* buffer, - FT_ULong count ) - { - return FT_Stream_Read( stream, buffer, count ); - } - - - FT_BASE_DEF( FT_Error ) - FT_Read_Stream_At( FT_Stream stream, - FT_ULong pos, - FT_Byte* buffer, - FT_ULong count ) - { - return FT_Stream_ReadAt( stream, pos, buffer, count ); - } - - - FT_BASE_DEF( FT_Error ) - FT_Extract_Frame( FT_Stream stream, - FT_ULong count, - FT_Byte** pbytes ) - { - return FT_Stream_ExtractFrame( stream, count, pbytes ); - } - - - FT_BASE_DEF( void ) - FT_Release_Frame( FT_Stream stream, - FT_Byte** pbytes ) - { - FT_Stream_ReleaseFrame( stream, pbytes ); - } - - FT_BASE_DEF( FT_Error ) - FT_Access_Frame( FT_Stream stream, - FT_ULong count ) - { - return FT_Stream_EnterFrame( stream, count ); - } - - - FT_BASE_DEF( void ) - FT_Forget_Frame( FT_Stream stream ) - { - FT_Stream_ExitFrame( stream ); - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftbbox.c b/third_party/freetype/src/base/ftbbox.c deleted file mode 100644 index 10df98de6a..0000000000 --- a/third_party/freetype/src/base/ftbbox.c +++ /dev/null @@ -1,509 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftbbox.c */ -/* */ -/* FreeType bbox computation (body). */ -/* */ -/* Copyright 1996-2015 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. */ -/* */ -/***************************************************************************/ - - - /*************************************************************************/ - /* */ - /* This component has a _single_ role: to compute exact outline bounding */ - /* boxes. */ - /* */ - /*************************************************************************/ - - -#include <ft2build.h> -#include FT_INTERNAL_DEBUG_H - -#include FT_BBOX_H -#include FT_IMAGE_H -#include FT_OUTLINE_H -#include FT_INTERNAL_CALC_H -#include FT_INTERNAL_OBJECTS_H - - - typedef struct TBBox_Rec_ - { - FT_Vector last; - FT_BBox bbox; - - } TBBox_Rec; - - -#define FT_UPDATE_BBOX( p, bbox ) \ - FT_BEGIN_STMNT \ - if ( p->x < bbox.xMin ) \ - bbox.xMin = p->x; \ - if ( p->x > bbox.xMax ) \ - bbox.xMax = p->x; \ - if ( p->y < bbox.yMin ) \ - bbox.yMin = p->y; \ - if ( p->y > bbox.yMax ) \ - bbox.yMax = p->y; \ - FT_END_STMNT - -#define CHECK_X( p, bbox ) \ - ( p->x < bbox.xMin || p->x > bbox.xMax ) - -#define CHECK_Y( p, bbox ) \ - ( p->y < bbox.yMin || p->y > bbox.yMax ) - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* BBox_Move_To */ - /* */ - /* <Description> */ - /* This function is used as a `move_to' emitter during */ - /* FT_Outline_Decompose(). It simply records the destination point */ - /* in `user->last'. We also update bbox in case contour starts with */ - /* an implicit `on' point. */ - /* */ - /* <Input> */ - /* to :: A pointer to the destination vector. */ - /* */ - /* <InOut> */ - /* user :: A pointer to the current walk context. */ - /* */ - /* <Return> */ - /* Always 0. Needed for the interface only. */ - /* */ - static int - BBox_Move_To( FT_Vector* to, - TBBox_Rec* user ) - { - FT_UPDATE_BBOX( to, user->bbox ); - - user->last = *to; - - return 0; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* BBox_Line_To */ - /* */ - /* <Description> */ - /* This function is used as a `line_to' emitter during */ - /* FT_Outline_Decompose(). It simply records the destination point */ - /* in `user->last'; no further computations are necessary because */ - /* bbox already contains both explicit ends of the line segment. */ - /* */ - /* <Input> */ - /* to :: A pointer to the destination vector. */ - /* */ - /* <InOut> */ - /* user :: A pointer to the current walk context. */ - /* */ - /* <Return> */ - /* Always 0. Needed for the interface only. */ - /* */ - static int - BBox_Line_To( FT_Vector* to, - TBBox_Rec* user ) - { - user->last = *to; - - return 0; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* BBox_Conic_Check */ - /* */ - /* <Description> */ - /* Find the extrema of a 1-dimensional conic Bezier curve and update */ - /* a bounding range. This version uses direct computation, as it */ - /* doesn't need square roots. */ - /* */ - /* <Input> */ - /* y1 :: The start coordinate. */ - /* */ - /* y2 :: The coordinate of the control point. */ - /* */ - /* y3 :: The end coordinate. */ - /* */ - /* <InOut> */ - /* min :: The address of the current minimum. */ - /* */ - /* max :: The address of the current maximum. */ - /* */ - static void - BBox_Conic_Check( FT_Pos y1, - FT_Pos y2, - FT_Pos y3, - FT_Pos* min, - FT_Pos* max ) - { - /* This function is only called when a control off-point is outside */ - /* the bbox that contains all on-points. It finds a local extremum */ - /* within the segment, equal to (y1*y3 - y2*y2)/(y1 - 2*y2 + y3). */ - /* Or, offsetting from y2, we get */ - - y1 -= y2; - y3 -= y2; - y2 += FT_MulDiv( y1, y3, y1 + y3 ); - - if ( y2 < *min ) - *min = y2; - if ( y2 > *max ) - *max = y2; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* BBox_Conic_To */ - /* */ - /* <Description> */ - /* This function is used as a `conic_to' emitter during */ - /* FT_Outline_Decompose(). It checks a conic Bezier curve with the */ - /* current bounding box, and computes its extrema if necessary to */ - /* update it. */ - /* */ - /* <Input> */ - /* control :: A pointer to a control point. */ - /* */ - /* to :: A pointer to the destination vector. */ - /* */ - /* <InOut> */ - /* user :: The address of the current walk context. */ - /* */ - /* <Return> */ - /* Always 0. Needed for the interface only. */ - /* */ - /* <Note> */ - /* In the case of a non-monotonous arc, we compute directly the */ - /* extremum coordinates, as it is sufficiently fast. */ - /* */ - static int - BBox_Conic_To( FT_Vector* control, - FT_Vector* to, - TBBox_Rec* user ) - { - /* in case `to' is implicit and not included in bbox yet */ - FT_UPDATE_BBOX( to, user->bbox ); - - if ( CHECK_X( control, user->bbox ) ) - BBox_Conic_Check( user->last.x, - control->x, - to->x, - &user->bbox.xMin, - &user->bbox.xMax ); - - if ( CHECK_Y( control, user->bbox ) ) - BBox_Conic_Check( user->last.y, - control->y, - to->y, - &user->bbox.yMin, - &user->bbox.yMax ); - - user->last = *to; - - return 0; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* BBox_Cubic_Check */ - /* */ - /* <Description> */ - /* Find the extrema of a 1-dimensional cubic Bezier curve and */ - /* update a bounding range. This version uses iterative splitting */ - /* because it is faster than the exact solution with square roots. */ - /* */ - /* <Input> */ - /* p1 :: The start coordinate. */ - /* */ - /* p2 :: The coordinate of the first control point. */ - /* */ - /* p3 :: The coordinate of the second control point. */ - /* */ - /* p4 :: The end coordinate. */ - /* */ - /* <InOut> */ - /* min :: The address of the current minimum. */ - /* */ - /* max :: The address of the current maximum. */ - /* */ - static FT_Pos - cubic_peak( FT_Pos q1, - FT_Pos q2, - FT_Pos q3, - FT_Pos q4 ) - { - FT_Pos peak = 0; - FT_Int shift; - - - /* This function finds a peak of a cubic segment if it is above 0 */ - /* using iterative bisection of the segment, or returns 0. */ - /* The fixed-point arithmetic of bisection is inherently stable */ - /* but may loose accuracy in the two lowest bits. To compensate, */ - /* we upscale the segment if there is room. Large values may need */ - /* to be downscaled to avoid overflows during bisection. */ - /* It is called with either q2 or q3 positive, which is necessary */ - /* for the peak to exist and avoids undefined FT_MSB. */ - - shift = 27 - FT_MSB( (FT_UInt32)( FT_ABS( q1 ) | - FT_ABS( q2 ) | - FT_ABS( q3 ) | - FT_ABS( q4 ) ) ); - - if ( shift > 0 ) - { - /* upscaling too much just wastes time */ - if ( shift > 2 ) - shift = 2; - - q1 <<= shift; - q2 <<= shift; - q3 <<= shift; - q4 <<= shift; - } - else - { - q1 >>= -shift; - q2 >>= -shift; - q3 >>= -shift; - q4 >>= -shift; - } - - /* for a peak to exist above 0, the cubic segment must have */ - /* at least one of its control off-points above 0. */ - while ( q2 > 0 || q3 > 0 ) - { - /* determine which half contains the maximum and split */ - if ( q1 + q2 > q3 + q4 ) /* first half */ - { - q4 = q4 + q3; - q3 = q3 + q2; - q2 = q2 + q1; - q4 = q4 + q3; - q3 = q3 + q2; - q4 = ( q4 + q3 ) / 8; - q3 = q3 / 4; - q2 = q2 / 2; - } - else /* second half */ - { - q1 = q1 + q2; - q2 = q2 + q3; - q3 = q3 + q4; - q1 = q1 + q2; - q2 = q2 + q3; - q1 = ( q1 + q2 ) / 8; - q2 = q2 / 4; - q3 = q3 / 2; - } - - /* check whether either end reached the maximum */ - if ( q1 == q2 && q1 >= q3 ) - { - peak = q1; - break; - } - if ( q3 == q4 && q2 <= q4 ) - { - peak = q4; - break; - } - } - - if ( shift > 0 ) - peak >>= shift; - else - peak <<= -shift; - - return peak; - } - - - static void - BBox_Cubic_Check( FT_Pos p1, - FT_Pos p2, - FT_Pos p3, - FT_Pos p4, - FT_Pos* min, - FT_Pos* max ) - { - /* This function is only called when a control off-point is outside */ - /* the bbox that contains all on-points. So at least one of the */ - /* conditions below holds and cubic_peak is called with at least one */ - /* non-zero argument. */ - - if ( p2 > *max || p3 > *max ) - *max += cubic_peak( p1 - *max, p2 - *max, p3 - *max, p4 - *max ); - - /* now flip the signs to update the minimum */ - if ( p2 < *min || p3 < *min ) - *min -= cubic_peak( *min - p1, *min - p2, *min - p3, *min - p4 ); - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* BBox_Cubic_To */ - /* */ - /* <Description> */ - /* This function is used as a `cubic_to' emitter during */ - /* FT_Outline_Decompose(). It checks a cubic Bezier curve with the */ - /* current bounding box, and computes its extrema if necessary to */ - /* update it. */ - /* */ - /* <Input> */ - /* control1 :: A pointer to the first control point. */ - /* */ - /* control2 :: A pointer to the second control point. */ - /* */ - /* to :: A pointer to the destination vector. */ - /* */ - /* <InOut> */ - /* user :: The address of the current walk context. */ - /* */ - /* <Return> */ - /* Always 0. Needed for the interface only. */ - /* */ - /* <Note> */ - /* In the case of a non-monotonous arc, we don't compute directly */ - /* extremum coordinates, we subdivide instead. */ - /* */ - static int - BBox_Cubic_To( FT_Vector* control1, - FT_Vector* control2, - FT_Vector* to, - TBBox_Rec* user ) - { - /* We don't need to check `to' since it is always an on-point, */ - /* thus within the bbox. Only segments with an off-point outside */ - /* the bbox can possibly reach new extreme values. */ - - if ( CHECK_X( control1, user->bbox ) || - CHECK_X( control2, user->bbox ) ) - BBox_Cubic_Check( user->last.x, - control1->x, - control2->x, - to->x, - &user->bbox.xMin, - &user->bbox.xMax ); - - if ( CHECK_Y( control1, user->bbox ) || - CHECK_Y( control2, user->bbox ) ) - BBox_Cubic_Check( user->last.y, - control1->y, - control2->y, - to->y, - &user->bbox.yMin, - &user->bbox.yMax ); - - user->last = *to; - - return 0; - } - - - FT_DEFINE_OUTLINE_FUNCS(bbox_interface, - (FT_Outline_MoveTo_Func) BBox_Move_To, - (FT_Outline_LineTo_Func) BBox_Line_To, - (FT_Outline_ConicTo_Func)BBox_Conic_To, - (FT_Outline_CubicTo_Func)BBox_Cubic_To, - 0, 0 - ) - - - /* documentation is in ftbbox.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Outline_Get_BBox( FT_Outline* outline, - FT_BBox *abbox ) - { - FT_BBox cbox = { 0x7FFFFFFFL, 0x7FFFFFFFL, - -0x7FFFFFFFL, -0x7FFFFFFFL }; - FT_BBox bbox = { 0x7FFFFFFFL, 0x7FFFFFFFL, - -0x7FFFFFFFL, -0x7FFFFFFFL }; - FT_Vector* vec; - FT_UShort n; - - - if ( !abbox ) - return FT_THROW( Invalid_Argument ); - - if ( !outline ) - return FT_THROW( Invalid_Outline ); - - /* if outline is empty, return (0,0,0,0) */ - if ( outline->n_points == 0 || outline->n_contours <= 0 ) - { - abbox->xMin = abbox->xMax = 0; - abbox->yMin = abbox->yMax = 0; - return 0; - } - - /* We compute the control box as well as the bounding box of */ - /* all `on' points in the outline. Then, if the two boxes */ - /* coincide, we exit immediately. */ - - vec = outline->points; - - for ( n = 0; n < outline->n_points; n++ ) - { - FT_UPDATE_BBOX( vec, cbox); - - if ( FT_CURVE_TAG( outline->tags[n] ) == FT_CURVE_TAG_ON ) - FT_UPDATE_BBOX( vec, bbox); - - vec++; - } - - /* test two boxes for equality */ - if ( cbox.xMin < bbox.xMin || cbox.xMax > bbox.xMax || - cbox.yMin < bbox.yMin || cbox.yMax > bbox.yMax ) - { - /* the two boxes are different, now walk over the outline to */ - /* get the Bezier arc extrema. */ - - FT_Error error; - TBBox_Rec user; - -#ifdef FT_CONFIG_OPTION_PIC - FT_Outline_Funcs bbox_interface; - Init_Class_bbox_interface(&bbox_interface); -#endif - - user.bbox = bbox; - - error = FT_Outline_Decompose( outline, &bbox_interface, &user ); - if ( error ) - return error; - - *abbox = user.bbox; - } - else - *abbox = bbox; - - return FT_Err_Ok; - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftbdf.c b/third_party/freetype/src/base/ftbdf.c deleted file mode 100644 index aa72ddcdf9..0000000000 --- a/third_party/freetype/src/base/ftbdf.c +++ /dev/null @@ -1,91 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftbdf.c */ -/* */ -/* FreeType API for accessing BDF-specific strings (body). */ -/* */ -/* Copyright 2002-2015 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_DEBUG_H - -#include FT_INTERNAL_OBJECTS_H -#include FT_SERVICE_BDF_H - - - /* documentation is in ftbdf.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Get_BDF_Charset_ID( FT_Face face, - const char* *acharset_encoding, - const char* *acharset_registry ) - { - FT_Error error; - const char* encoding = NULL; - const char* registry = NULL; - - FT_Service_BDF service; - - - if ( !face ) - return FT_THROW( Invalid_Face_Handle ); - - FT_FACE_FIND_SERVICE( face, service, BDF ); - - if ( service && service->get_charset_id ) - error = service->get_charset_id( face, &encoding, ®istry ); - else - error = FT_THROW( Invalid_Argument ); - - if ( acharset_encoding ) - *acharset_encoding = encoding; - - if ( acharset_registry ) - *acharset_registry = registry; - - return error; - } - - - /* documentation is in ftbdf.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Get_BDF_Property( FT_Face face, - const char* prop_name, - BDF_PropertyRec *aproperty ) - { - FT_Error error; - - FT_Service_BDF service; - - - if ( !face ) - return FT_THROW( Invalid_Face_Handle ); - - if ( !aproperty ) - return FT_THROW( Invalid_Argument ); - - aproperty->type = BDF_PROPERTY_TYPE_NONE; - - FT_FACE_FIND_SERVICE( face, service, BDF ); - - if ( service && service->get_property ) - error = service->get_property( face, prop_name, aproperty ); - else - error = FT_THROW( Invalid_Argument ); - - return error; - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftcid.c b/third_party/freetype/src/base/ftcid.c deleted file mode 100644 index 0734881b71..0000000000 --- a/third_party/freetype/src/base/ftcid.c +++ /dev/null @@ -1,118 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftcid.c */ -/* */ -/* FreeType API for accessing CID font information. */ -/* */ -/* Copyright 2007-2015 by */ -/* Derek Clegg and Michael Toftdal. */ -/* */ -/* 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_CID_H -#include FT_INTERNAL_OBJECTS_H -#include FT_SERVICE_CID_H - - - /* documentation is in ftcid.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Get_CID_Registry_Ordering_Supplement( FT_Face face, - const char* *registry, - const char* *ordering, - FT_Int *supplement) - { - FT_Error error; - const char* r = NULL; - const char* o = NULL; - FT_Int s = 0; - - - error = FT_ERR( Invalid_Argument ); - - if ( face ) - { - FT_Service_CID service; - - - FT_FACE_FIND_SERVICE( face, service, CID ); - - if ( service && service->get_ros ) - error = service->get_ros( face, &r, &o, &s ); - } - - if ( registry ) - *registry = r; - - if ( ordering ) - *ordering = o; - - if ( supplement ) - *supplement = s; - - return error; - } - - - FT_EXPORT_DEF( FT_Error ) - FT_Get_CID_Is_Internally_CID_Keyed( FT_Face face, - FT_Bool *is_cid ) - { - FT_Error error = FT_ERR( Invalid_Argument ); - FT_Bool ic = 0; - - - if ( face ) - { - FT_Service_CID service; - - - FT_FACE_FIND_SERVICE( face, service, CID ); - - if ( service && service->get_is_cid ) - error = service->get_is_cid( face, &ic); - } - - if ( is_cid ) - *is_cid = ic; - - return error; - } - - - FT_EXPORT_DEF( FT_Error ) - FT_Get_CID_From_Glyph_Index( FT_Face face, - FT_UInt glyph_index, - FT_UInt *cid ) - { - FT_Error error = FT_ERR( Invalid_Argument ); - FT_UInt c = 0; - - - if ( face ) - { - FT_Service_CID service; - - - FT_FACE_FIND_SERVICE( face, service, CID ); - - if ( service && service->get_cid_from_glyph_index ) - error = service->get_cid_from_glyph_index( face, glyph_index, &c); - } - - if ( cid ) - *cid = c; - - return error; - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftdebug.c b/third_party/freetype/src/base/ftdebug.c deleted file mode 100644 index 03e18a8699..0000000000 --- a/third_party/freetype/src/base/ftdebug.c +++ /dev/null @@ -1,266 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftdebug.c */ -/* */ -/* Debugging and logging component (body). */ -/* */ -/* Copyright 1996-2015 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. */ -/* */ -/***************************************************************************/ - - - /*************************************************************************/ - /* */ - /* This component contains various macros and functions used to ease the */ - /* debugging of the FreeType engine. Its main purpose is in assertion */ - /* checking, tracing, and error detection. */ - /* */ - /* There are now three debugging modes: */ - /* */ - /* - trace mode */ - /* */ - /* Error and trace messages are sent to the log file (which can be the */ - /* standard error output). */ - /* */ - /* - error mode */ - /* */ - /* Only error messages are generated. */ - /* */ - /* - release mode: */ - /* */ - /* No error message is sent or generated. The code is free from any */ - /* debugging parts. */ - /* */ - /*************************************************************************/ - - -#include <ft2build.h> -#include FT_FREETYPE_H -#include FT_INTERNAL_DEBUG_H - - -#ifdef FT_DEBUG_LEVEL_ERROR - - /* documentation is in ftdebug.h */ - - FT_BASE_DEF( void ) - FT_Message( const char* fmt, - ... ) - { - va_list ap; - - - va_start( ap, fmt ); - vfprintf( stderr, fmt, ap ); - va_end( ap ); - } - - - /* documentation is in ftdebug.h */ - - FT_BASE_DEF( void ) - FT_Panic( const char* fmt, - ... ) - { - va_list ap; - - - va_start( ap, fmt ); - vfprintf( stderr, fmt, ap ); - va_end( ap ); - - exit( EXIT_FAILURE ); - } - - - /* documentation is in ftdebug.h */ - - FT_BASE_DEF( int ) - FT_Throw( FT_Error error, - int line, - const char* file ) - { - FT_UNUSED( error ); - FT_UNUSED( line ); - FT_UNUSED( file ); - - return 0; - } - -#endif /* FT_DEBUG_LEVEL_ERROR */ - - - -#ifdef FT_DEBUG_LEVEL_TRACE - - /* array of trace levels, initialized to 0 */ - int ft_trace_levels[trace_count]; - - - /* define array of trace toggle names */ -#define FT_TRACE_DEF( x ) #x , - - static const char* ft_trace_toggles[trace_count + 1] = - { -#include FT_INTERNAL_TRACE_H - NULL - }; - -#undef FT_TRACE_DEF - - - /* documentation is in ftdebug.h */ - - FT_BASE_DEF( FT_Int ) - FT_Trace_Get_Count( void ) - { - return trace_count; - } - - - /* documentation is in ftdebug.h */ - - FT_BASE_DEF( const char * ) - FT_Trace_Get_Name( FT_Int idx ) - { - int max = FT_Trace_Get_Count(); - - - if ( idx < max ) - return ft_trace_toggles[idx]; - else - return NULL; - } - - - /*************************************************************************/ - /* */ - /* Initialize the tracing sub-system. This is done by retrieving the */ - /* value of the `FT2_DEBUG' environment variable. It must be a list of */ - /* toggles, separated by spaces, `;', or `,'. Example: */ - /* */ - /* export FT2_DEBUG="any:3 memory:7 stream:5" */ - /* */ - /* This requests that all levels be set to 3, except the trace level for */ - /* the memory and stream components which are set to 7 and 5, */ - /* respectively. */ - /* */ - /* See the file `include/freetype/internal/fttrace.h' for details of */ - /* the available toggle names. */ - /* */ - /* The level must be between 0 and 7; 0 means quiet (except for serious */ - /* runtime errors), and 7 means _very_ verbose. */ - /* */ - FT_BASE_DEF( void ) - ft_debug_init( void ) - { - const char* ft2_debug = getenv( "FT2_DEBUG" ); - - - if ( ft2_debug ) - { - const char* p = ft2_debug; - const char* q; - - - for ( ; *p; p++ ) - { - /* skip leading whitespace and separators */ - if ( *p == ' ' || *p == '\t' || *p == ',' || *p == ';' || *p == '=' ) - continue; - - /* read toggle name, followed by ':' */ - q = p; - while ( *p && *p != ':' ) - p++; - - if ( !*p ) - break; - - if ( *p == ':' && p > q ) - { - FT_Int n, i, len = (FT_Int)( p - q ); - FT_Int level = -1, found = -1; - - - for ( n = 0; n < trace_count; n++ ) - { - const char* toggle = ft_trace_toggles[n]; - - - for ( i = 0; i < len; i++ ) - { - if ( toggle[i] != q[i] ) - break; - } - - if ( i == len && toggle[i] == 0 ) - { - found = n; - break; - } - } - - /* read level */ - p++; - if ( *p ) - { - level = *p - '0'; - if ( level < 0 || level > 7 ) - level = -1; - } - - if ( found >= 0 && level >= 0 ) - { - if ( found == trace_any ) - { - /* special case for `any' */ - for ( n = 0; n < trace_count; n++ ) - ft_trace_levels[n] = level; - } - else - ft_trace_levels[found] = level; - } - } - } - } - } - - -#else /* !FT_DEBUG_LEVEL_TRACE */ - - - FT_BASE_DEF( void ) - ft_debug_init( void ) - { - /* nothing */ - } - - - FT_BASE_DEF( FT_Int ) - FT_Trace_Get_Count( void ) - { - return 0; - } - - - FT_BASE_DEF( const char * ) - FT_Trace_Get_Name( FT_Int idx ) - { - FT_UNUSED( idx ); - - return NULL; - } - - -#endif /* !FT_DEBUG_LEVEL_TRACE */ - - -/* END */ diff --git a/third_party/freetype/src/base/ftgasp.c b/third_party/freetype/src/base/ftgasp.c deleted file mode 100644 index bbd257c479..0000000000 --- a/third_party/freetype/src/base/ftgasp.c +++ /dev/null @@ -1,61 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftgasp.c */ -/* */ -/* Access of TrueType's `gasp' table (body). */ -/* */ -/* Copyright 2007-2015 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_GASP_H -#include FT_INTERNAL_TRUETYPE_TYPES_H - - - FT_EXPORT_DEF( FT_Int ) - FT_Get_Gasp( FT_Face face, - FT_UInt ppem ) - { - FT_Int result = FT_GASP_NO_TABLE; - - - if ( face && FT_IS_SFNT( face ) ) - { - TT_Face ttface = (TT_Face)face; - - - if ( ttface->gasp.numRanges > 0 ) - { - TT_GaspRange range = ttface->gasp.gaspRanges; - TT_GaspRange range_end = range + ttface->gasp.numRanges; - - - while ( ppem > range->maxPPEM ) - { - range++; - if ( range >= range_end ) - goto Exit; - } - - result = range->gaspFlag; - - /* ensure that we don't have spurious bits */ - if ( ttface->gasp.version == 0 ) - result &= 3; - } - } - Exit: - return result; - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftgxval.c b/third_party/freetype/src/base/ftgxval.c deleted file mode 100644 index 58868f2e86..0000000000 --- a/third_party/freetype/src/base/ftgxval.c +++ /dev/null @@ -1,142 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftgxval.c */ -/* */ -/* FreeType API for validating TrueTyepGX/AAT tables (body). */ -/* */ -/* Copyright 2004-2015 by */ -/* Masatake YAMATO, Redhat K.K, */ -/* 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. */ -/* */ -/***************************************************************************/ - -/***************************************************************************/ -/* */ -/* gxvalid is derived from both gxlayout module and otvalid module. */ -/* Development of gxlayout is supported by the Information-technology */ -/* Promotion Agency(IPA), Japan. */ -/* */ -/***************************************************************************/ - - -#include <ft2build.h> -#include FT_INTERNAL_DEBUG_H - -#include FT_INTERNAL_OBJECTS_H -#include FT_SERVICE_GX_VALIDATE_H - - - /* documentation is in ftgxval.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_TrueTypeGX_Validate( FT_Face face, - FT_UInt validation_flags, - FT_Bytes tables[FT_VALIDATE_GX_LENGTH], - FT_UInt table_length ) - { - FT_Service_GXvalidate service; - FT_Error error; - - - if ( !face ) - { - error = FT_THROW( Invalid_Face_Handle ); - goto Exit; - } - - if ( !tables ) - { - error = FT_THROW( Invalid_Argument ); - goto Exit; - } - - FT_FACE_FIND_GLOBAL_SERVICE( face, service, GX_VALIDATE ); - - if ( service ) - error = service->validate( face, - validation_flags, - tables, - table_length ); - else - error = FT_THROW( Unimplemented_Feature ); - - Exit: - return error; - } - - - FT_EXPORT_DEF( void ) - FT_TrueTypeGX_Free( FT_Face face, - FT_Bytes table ) - { - FT_Memory memory; - - - if ( !face ) - return; - - memory = FT_FACE_MEMORY( face ); - - FT_FREE( table ); - } - - - FT_EXPORT_DEF( FT_Error ) - FT_ClassicKern_Validate( FT_Face face, - FT_UInt validation_flags, - FT_Bytes *ckern_table ) - { - FT_Service_CKERNvalidate service; - FT_Error error; - - - if ( !face ) - { - error = FT_THROW( Invalid_Face_Handle ); - goto Exit; - } - - if ( !ckern_table ) - { - error = FT_THROW( Invalid_Argument ); - goto Exit; - } - - FT_FACE_FIND_GLOBAL_SERVICE( face, service, CLASSICKERN_VALIDATE ); - - if ( service ) - error = service->validate( face, - validation_flags, - ckern_table ); - else - error = FT_THROW( Unimplemented_Feature ); - - Exit: - return error; - } - - - FT_EXPORT_DEF( void ) - FT_ClassicKern_Free( FT_Face face, - FT_Bytes table ) - { - FT_Memory memory; - - - if ( !face ) - return; - - memory = FT_FACE_MEMORY( face ); - - - FT_FREE( table ); - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftmac.c b/third_party/freetype/src/base/ftmac.c deleted file mode 100644 index 114bbb6391..0000000000 --- a/third_party/freetype/src/base/ftmac.c +++ /dev/null @@ -1,1080 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftmac.c */ -/* */ -/* Mac FOND support. Written by just@letterror.com. */ -/* Heavily modified by mpsuzuki, George Williams, and Sean McBride. */ -/* */ -/* This file is for Mac OS X only; see builds/mac/ftoldmac.c for */ -/* classic platforms built by MPW. */ -/* */ -/* Copyright 1996-2015 by */ -/* Just van Rossum, 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. */ -/* */ -/***************************************************************************/ - - - /* - Notes - - Mac suitcase files can (and often do!) contain multiple fonts. To - support this I use the face_index argument of FT_(Open|New)_Face() - functions, and pretend the suitcase file is a collection. - - Warning: fbit and NFNT bitmap resources are not supported yet. In old - sfnt fonts, bitmap glyph data for each size is stored in each `NFNT' - resources instead of the `bdat' table in the sfnt resource. Therefore, - face->num_fixed_sizes is set to 0, because bitmap data in `NFNT' - resource is unavailable at present. - - The Mac FOND support works roughly like this: - - - Check whether the offered stream points to a Mac suitcase file. This - is done by checking the file type: it has to be 'FFIL' or 'tfil'. The - stream that gets passed to our init_face() routine is a stdio stream, - which isn't usable for us, since the FOND resources live in the - resource fork. So we just grab the stream->pathname field. - - - Read the FOND resource into memory, then check whether there is a - TrueType font and/or(!) a Type 1 font available. - - - If there is a Type 1 font available (as a separate `LWFN' file), read - its data into memory, massage it slightly so it becomes PFB data, wrap - it into a memory stream, load the Type 1 driver and delegate the rest - of the work to it by calling FT_Open_Face(). (XXX TODO: after this - has been done, the kerning data from the FOND resource should be - appended to the face: On the Mac there are usually no AFM files - available. However, this is tricky since we need to map Mac char - codes to ps glyph names to glyph ID's...) - - - If there is a TrueType font (an `sfnt' resource), read it into memory, - wrap it into a memory stream, load the TrueType driver and delegate - the rest of the work to it, by calling FT_Open_Face(). - - - Some suitcase fonts (notably Onyx) might point the `LWFN' file to - itself, even though it doesn't contains `POST' resources. To handle - this special case without opening the file an extra time, we just - ignore errors from the `LWFN' and fallback to the `sfnt' if both are - available. - */ - - -#include <ft2build.h> -#include FT_FREETYPE_H -#include FT_TRUETYPE_TAGS_H -#include FT_INTERNAL_STREAM_H -#include "ftbase.h" - - /* This is for Mac OS X. Without redefinition, OS_INLINE */ - /* expands to `static inline' which doesn't survive the */ - /* -ansi compilation flag of GCC. */ -#if !HAVE_ANSI_OS_INLINE -#undef OS_INLINE -#define OS_INLINE static __inline__ -#endif - - /* `configure' checks the availability of `ResourceIndex' strictly */ - /* and sets HAVE_TYPE_RESOURCE_INDEX 1 or 0 always. If it is */ - /* not set (e.g., a build without `configure'), the availability */ - /* is guessed from the SDK version. */ -#ifndef HAVE_TYPE_RESOURCE_INDEX -#if !defined( MAC_OS_X_VERSION_10_5 ) || \ - ( MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5 ) -#define HAVE_TYPE_RESOURCE_INDEX 0 -#else -#define HAVE_TYPE_RESOURCE_INDEX 1 -#endif -#endif /* !HAVE_TYPE_RESOURCE_INDEX */ - -#if ( HAVE_TYPE_RESOURCE_INDEX == 0 ) - typedef short ResourceIndex; -#endif - -#include <CoreServices/CoreServices.h> -#include <ApplicationServices/ApplicationServices.h> -#include <sys/syslimits.h> /* PATH_MAX */ - - /* Don't want warnings about our own use of deprecated functions. */ -#define FT_DEPRECATED_ATTRIBUTE - -#include FT_MAC_H - -#ifndef kATSOptionFlagsUnRestrictedScope /* since Mac OS X 10.1 */ -#define kATSOptionFlagsUnRestrictedScope kATSOptionFlagsDefault -#endif - - - /* Set PREFER_LWFN to 1 if LWFN (Type 1) is preferred over - TrueType in case *both* are available (this is not common, - but it *is* possible). */ -#ifndef PREFER_LWFN -#define PREFER_LWFN 1 -#endif - - -#ifdef FT_MACINTOSH - - /* This function is deprecated because FSSpec is deprecated in Mac OS X */ - FT_EXPORT_DEF( FT_Error ) - FT_GetFile_From_Mac_Name( const char* fontName, - FSSpec* pathSpec, - FT_Long* face_index ) - { - FT_UNUSED( fontName ); - FT_UNUSED( pathSpec ); - FT_UNUSED( face_index ); - - return FT_THROW( Unimplemented_Feature ); - } - - - /* Private function. */ - /* The FSSpec type has been discouraged for a long time, */ - /* unfortunately an FSRef replacement API for */ - /* ATSFontGetFileSpecification() is only available in */ - /* Mac OS X 10.5 and later. */ - static OSStatus - FT_ATSFontGetFileReference( ATSFontRef ats_font_id, - FSRef* ats_font_ref ) - { -#if defined( MAC_OS_X_VERSION_10_5 ) && \ - ( MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 ) - - OSStatus err; - - err = ATSFontGetFileReference( ats_font_id, ats_font_ref ); - - return err; -#elif __LP64__ /* No 64bit Carbon API on legacy platforms */ - FT_UNUSED( ats_font_id ); - FT_UNUSED( ats_font_ref ); - - - return fnfErr; -#else /* 32bit Carbon API on legacy platforms */ - OSStatus err; - FSSpec spec; - - - err = ATSFontGetFileSpecification( ats_font_id, &spec ); - if ( noErr == err ) - err = FSpMakeFSRef( &spec, ats_font_ref ); - - return err; -#endif - } - - - static FT_Error - FT_GetFileRef_From_Mac_ATS_Name( const char* fontName, - FSRef* ats_font_ref, - FT_Long* face_index ) - { - CFStringRef cf_fontName; - ATSFontRef ats_font_id; - - - *face_index = 0; - - cf_fontName = CFStringCreateWithCString( NULL, fontName, - kCFStringEncodingMacRoman ); - ats_font_id = ATSFontFindFromName( cf_fontName, - kATSOptionFlagsUnRestrictedScope ); - CFRelease( cf_fontName ); - - if ( ats_font_id == 0 || ats_font_id == 0xFFFFFFFFUL ) - return FT_THROW( Unknown_File_Format ); - - if ( noErr != FT_ATSFontGetFileReference( ats_font_id, ats_font_ref ) ) - return FT_THROW( Unknown_File_Format ); - - /* face_index calculation by searching preceding fontIDs */ - /* with same FSRef */ - { - ATSFontRef id2 = ats_font_id - 1; - FSRef ref2; - - - while ( id2 > 0 ) - { - if ( noErr != FT_ATSFontGetFileReference( id2, &ref2 ) ) - break; - if ( noErr != FSCompareFSRefs( ats_font_ref, &ref2 ) ) - break; - - id2 --; - } - *face_index = ats_font_id - ( id2 + 1 ); - } - - return FT_Err_Ok; - } - - - FT_EXPORT_DEF( FT_Error ) - FT_GetFilePath_From_Mac_ATS_Name( const char* fontName, - UInt8* path, - UInt32 maxPathSize, - FT_Long* face_index ) - { - FSRef ref; - FT_Error err; - - - if ( !fontName || !face_index ) - return FT_THROW( Invalid_Argument) ; - - err = FT_GetFileRef_From_Mac_ATS_Name( fontName, &ref, face_index ); - if ( err ) - return err; - - if ( noErr != FSRefMakePath( &ref, path, maxPathSize ) ) - return FT_THROW( Unknown_File_Format ); - - return FT_Err_Ok; - } - - - /* This function is deprecated because FSSpec is deprecated in Mac OS X */ - FT_EXPORT_DEF( FT_Error ) - FT_GetFile_From_Mac_ATS_Name( const char* fontName, - FSSpec* pathSpec, - FT_Long* face_index ) - { -#if ( __LP64__ ) || ( defined( MAC_OS_X_VERSION_10_5 ) && \ - ( MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 ) ) - FT_UNUSED( fontName ); - FT_UNUSED( pathSpec ); - FT_UNUSED( face_index ); - - return FT_THROW( Unimplemented_Feature ); -#else - FSRef ref; - FT_Error err; - - - if ( !fontName || !face_index ) - return FT_THROW( Invalid_Argument ); - - err = FT_GetFileRef_From_Mac_ATS_Name( fontName, &ref, face_index ); - if ( err ) - return err; - - if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoNone, NULL, NULL, - pathSpec, NULL ) ) - return FT_THROW( Unknown_File_Format ); - - return FT_Err_Ok; -#endif - } - - - static OSErr - FT_FSPathMakeRes( const UInt8* pathname, - ResFileRefNum* res ) - { - OSErr err; - FSRef ref; - - - if ( noErr != FSPathMakeRef( pathname, &ref, FALSE ) ) - return FT_THROW( Cannot_Open_Resource ); - - /* at present, no support for dfont format */ - err = FSOpenResourceFile( &ref, 0, NULL, fsRdPerm, res ); - if ( noErr == err ) - return err; - - /* fallback to original resource-fork font */ - *res = FSOpenResFile( &ref, fsRdPerm ); - err = ResError(); - - return err; - } - - - /* Return the file type for given pathname */ - static OSType - get_file_type_from_path( const UInt8* pathname ) - { - FSRef ref; - FSCatalogInfo info; - - - if ( noErr != FSPathMakeRef( pathname, &ref, FALSE ) ) - return ( OSType ) 0; - - if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoFinderInfo, &info, - NULL, NULL, NULL ) ) - return ( OSType ) 0; - - return ((FInfo *)(info.finderInfo))->fdType; - } - - - /* Given a PostScript font name, create the Macintosh LWFN file name. */ - static void - create_lwfn_name( char* ps_name, - Str255 lwfn_file_name ) - { - int max = 5, count = 0; - FT_Byte* p = lwfn_file_name; - FT_Byte* q = (FT_Byte*)ps_name; - - - lwfn_file_name[0] = 0; - - while ( *q ) - { - if ( ft_isupper( *q ) ) - { - if ( count ) - max = 3; - count = 0; - } - if ( count < max && ( ft_isalnum( *q ) || *q == '_' ) ) - { - *++p = *q; - lwfn_file_name[0]++; - count++; - } - q++; - } - } - - - static short - count_faces_sfnt( char* fond_data ) - { - /* The count is 1 greater than the value in the FOND. */ - /* Isn't that cute? :-) */ - - return EndianS16_BtoN( *( (short*)( fond_data + - sizeof ( FamRec ) ) ) ) + 1; - } - - - static short - count_faces_scalable( char* fond_data ) - { - AsscEntry* assoc; - short i, face, face_all; - - - face_all = EndianS16_BtoN( *( (short *)( fond_data + - sizeof ( FamRec ) ) ) ) + 1; - assoc = (AsscEntry*)( fond_data + sizeof ( FamRec ) + 2 ); - face = 0; - - for ( i = 0; i < face_all; i++ ) - { - if ( 0 == EndianS16_BtoN( assoc[i].fontSize ) ) - face++; - } - return face; - } - - - /* Look inside the FOND data, answer whether there should be an SFNT - resource, and answer the name of a possible LWFN Type 1 file. - - Thanks to Paul Miller (paulm@profoundeffects.com) for the fix - to load a face OTHER than the first one in the FOND! - */ - - - static void - parse_fond( char* fond_data, - short* have_sfnt, - ResID* sfnt_id, - Str255 lwfn_file_name, - short face_index ) - { - AsscEntry* assoc; - AsscEntry* base_assoc; - FamRec* fond; - - - *sfnt_id = 0; - *have_sfnt = 0; - lwfn_file_name[0] = 0; - - fond = (FamRec*)fond_data; - assoc = (AsscEntry*)( fond_data + sizeof ( FamRec ) + 2 ); - base_assoc = assoc; - - /* the maximum faces in a FOND is 48, size of StyleTable.indexes[] */ - if ( 47 < face_index ) - return; - - /* Let's do a little range checking before we get too excited here */ - if ( face_index < count_faces_sfnt( fond_data ) ) - { - assoc += face_index; /* add on the face_index! */ - - /* if the face at this index is not scalable, - fall back to the first one (old behavior) */ - if ( EndianS16_BtoN( assoc->fontSize ) == 0 ) - { - *have_sfnt = 1; - *sfnt_id = EndianS16_BtoN( assoc->fontID ); - } - else if ( base_assoc->fontSize == 0 ) - { - *have_sfnt = 1; - *sfnt_id = EndianS16_BtoN( base_assoc->fontID ); - } - } - - if ( EndianS32_BtoN( fond->ffStylOff ) ) - { - unsigned char* p = (unsigned char*)fond_data; - StyleTable* style; - unsigned short string_count; - char ps_name[256]; - unsigned char* names[64]; - int i; - - - p += EndianS32_BtoN( fond->ffStylOff ); - style = (StyleTable*)p; - p += sizeof ( StyleTable ); - string_count = EndianS16_BtoN( *(short*)(p) ); - string_count = FT_MIN( 64, string_count ); - p += sizeof ( short ); - - for ( i = 0; i < string_count; i++ ) - { - names[i] = p; - p += names[i][0]; - p++; - } - - { - size_t ps_name_len = (size_t)names[0][0]; - - - if ( ps_name_len != 0 ) - { - ft_memcpy(ps_name, names[0] + 1, ps_name_len); - ps_name[ps_name_len] = 0; - } - if ( style->indexes[face_index] > 1 && - style->indexes[face_index] <= string_count ) - { - unsigned char* suffixes = names[style->indexes[face_index] - 1]; - - - for ( i = 1; i <= suffixes[0]; i++ ) - { - unsigned char* s; - size_t j = suffixes[i] - 1; - - - if ( j < string_count && ( s = names[j] ) != NULL ) - { - size_t s_len = (size_t)s[0]; - - - if ( s_len != 0 && ps_name_len + s_len < sizeof ( ps_name ) ) - { - ft_memcpy( ps_name + ps_name_len, s + 1, s_len ); - ps_name_len += s_len; - ps_name[ps_name_len] = 0; - } - } - } - } - } - - create_lwfn_name( ps_name, lwfn_file_name ); - } - } - - - static FT_Error - lookup_lwfn_by_fond( const UInt8* path_fond, - ConstStr255Param base_lwfn, - UInt8* path_lwfn, - size_t path_size ) - { - FSRef ref, par_ref; - size_t dirname_len; - - - /* Pathname for FSRef can be in various formats: HFS, HFS+, and POSIX. */ - /* We should not extract parent directory by string manipulation. */ - - if ( noErr != FSPathMakeRef( path_fond, &ref, FALSE ) ) - return FT_THROW( Invalid_Argument ); - - if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoNone, - NULL, NULL, NULL, &par_ref ) ) - return FT_THROW( Invalid_Argument ); - - if ( noErr != FSRefMakePath( &par_ref, path_lwfn, path_size ) ) - return FT_THROW( Invalid_Argument ); - - if ( ft_strlen( (char *)path_lwfn ) + 1 + base_lwfn[0] > path_size ) - return FT_THROW( Invalid_Argument ); - - /* now we have absolute dirname in path_lwfn */ - ft_strcat( (char *)path_lwfn, "/" ); - dirname_len = ft_strlen( (char *)path_lwfn ); - ft_strcat( (char *)path_lwfn, (char *)base_lwfn + 1 ); - path_lwfn[dirname_len + base_lwfn[0]] = '\0'; - - if ( noErr != FSPathMakeRef( path_lwfn, &ref, FALSE ) ) - return FT_THROW( Cannot_Open_Resource ); - - if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoNone, - NULL, NULL, NULL, NULL ) ) - return FT_THROW( Cannot_Open_Resource ); - - return FT_Err_Ok; - } - - - static short - count_faces( Handle fond, - const UInt8* pathname ) - { - ResID sfnt_id; - short have_sfnt, have_lwfn; - Str255 lwfn_file_name; - UInt8 buff[PATH_MAX]; - FT_Error err; - short num_faces; - - - have_sfnt = have_lwfn = 0; - - parse_fond( *fond, &have_sfnt, &sfnt_id, lwfn_file_name, 0 ); - - if ( lwfn_file_name[0] ) - { - err = lookup_lwfn_by_fond( pathname, lwfn_file_name, - buff, sizeof ( buff ) ); - if ( !err ) - have_lwfn = 1; - } - - if ( have_lwfn && ( !have_sfnt || PREFER_LWFN ) ) - num_faces = 1; - else - num_faces = count_faces_scalable( *fond ); - - return num_faces; - } - - - /* Read Type 1 data from the POST resources inside the LWFN file, - return a PFB buffer. This is somewhat convoluted because the FT2 - PFB parser wants the ASCII header as one chunk, and the LWFN - chunks are often not organized that way, so we glue chunks - of the same type together. */ - static FT_Error - read_lwfn( FT_Memory memory, - ResFileRefNum res, - FT_Byte** pfb_data, - FT_ULong* size ) - { - FT_Error error = FT_Err_Ok; - ResID res_id; - unsigned char *buffer, *p, *size_p = NULL; - FT_ULong total_size = 0; - FT_ULong old_total_size = 0; - FT_ULong post_size, pfb_chunk_size; - Handle post_data; - char code, last_code; - - - UseResFile( res ); - - /* First pass: load all POST resources, and determine the size of */ - /* the output buffer. */ - res_id = 501; - last_code = -1; - - for (;;) - { - post_data = Get1Resource( TTAG_POST, res_id++ ); - if ( post_data == NULL ) - break; /* we are done */ - - code = (*post_data)[0]; - - if ( code != last_code ) - { - if ( code == 5 ) - total_size += 2; /* just the end code */ - else - total_size += 6; /* code + 4 bytes chunk length */ - } - - total_size += (FT_ULong)GetHandleSize( post_data ) - 2; - last_code = code; - - /* detect resource fork overflow */ - if ( FT_MAC_RFORK_MAX_LEN < total_size ) - { - error = FT_THROW( Array_Too_Large ); - goto Error; - } - - old_total_size = total_size; - } - - if ( FT_ALLOC( buffer, (FT_Long)total_size ) ) - goto Error; - - /* Second pass: append all POST data to the buffer, add PFB fields. */ - /* Glue all consecutive chunks of the same type together. */ - p = buffer; - res_id = 501; - last_code = -1; - pfb_chunk_size = 0; - - for (;;) - { - post_data = Get1Resource( TTAG_POST, res_id++ ); - if ( post_data == NULL ) - break; /* we are done */ - - post_size = (FT_ULong)GetHandleSize( post_data ) - 2; - code = (*post_data)[0]; - - if ( code != last_code ) - { - if ( last_code != -1 ) - { - /* we are done adding a chunk, fill in the size field */ - if ( size_p != NULL ) - { - *size_p++ = (FT_Byte)( pfb_chunk_size & 0xFF ); - *size_p++ = (FT_Byte)( ( pfb_chunk_size >> 8 ) & 0xFF ); - *size_p++ = (FT_Byte)( ( pfb_chunk_size >> 16 ) & 0xFF ); - *size_p++ = (FT_Byte)( ( pfb_chunk_size >> 24 ) & 0xFF ); - } - pfb_chunk_size = 0; - } - - *p++ = 0x80; - if ( code == 5 ) - *p++ = 0x03; /* the end */ - else if ( code == 2 ) - *p++ = 0x02; /* binary segment */ - else - *p++ = 0x01; /* ASCII segment */ - - if ( code != 5 ) - { - size_p = p; /* save for later */ - p += 4; /* make space for size field */ - } - } - - ft_memcpy( p, *post_data + 2, post_size ); - pfb_chunk_size += post_size; - p += post_size; - last_code = code; - } - - *pfb_data = buffer; - *size = total_size; - - Error: - CloseResFile( res ); - return error; - } - - - /* Create a new FT_Face from a file path to an LWFN file. */ - static FT_Error - FT_New_Face_From_LWFN( FT_Library library, - const UInt8* pathname, - FT_Long face_index, - FT_Face* aface ) - { - FT_Byte* pfb_data; - FT_ULong pfb_size; - FT_Error error; - ResFileRefNum res; - - - if ( noErr != FT_FSPathMakeRes( pathname, &res ) ) - return FT_THROW( Cannot_Open_Resource ); - - pfb_data = NULL; - pfb_size = 0; - error = read_lwfn( library->memory, res, &pfb_data, &pfb_size ); - CloseResFile( res ); /* PFB is already loaded, useless anymore */ - if ( error ) - return error; - - return open_face_from_buffer( library, - pfb_data, - pfb_size, - face_index, - "type1", - aface ); - } - - - /* Create a new FT_Face from an SFNT resource, specified by res ID. */ - static FT_Error - FT_New_Face_From_SFNT( FT_Library library, - ResID sfnt_id, - FT_Long face_index, - FT_Face* aface ) - { - Handle sfnt = NULL; - FT_Byte* sfnt_data; - size_t sfnt_size; - FT_Error error = FT_Err_Ok; - FT_Memory memory = library->memory; - int is_cff, is_sfnt_ps; - - - sfnt = GetResource( TTAG_sfnt, sfnt_id ); - if ( sfnt == NULL ) - return FT_THROW( Invalid_Handle ); - - sfnt_size = (FT_ULong)GetHandleSize( sfnt ); - - /* detect resource fork overflow */ - if ( FT_MAC_RFORK_MAX_LEN < sfnt_size ) - return FT_THROW( Array_Too_Large ); - - if ( FT_ALLOC( sfnt_data, (FT_Long)sfnt_size ) ) - { - ReleaseResource( sfnt ); - return error; - } - - ft_memcpy( sfnt_data, *sfnt, sfnt_size ); - ReleaseResource( sfnt ); - - is_cff = sfnt_size > 4 && !ft_memcmp( sfnt_data, "OTTO", 4 ); - is_sfnt_ps = sfnt_size > 4 && !ft_memcmp( sfnt_data, "typ1", 4 ); - - if ( is_sfnt_ps ) - { - FT_Stream stream; - - - if ( FT_NEW( stream ) ) - goto Try_OpenType; - - FT_Stream_OpenMemory( stream, sfnt_data, sfnt_size ); - if ( !open_face_PS_from_sfnt_stream( library, - stream, - face_index, - 0, NULL, - aface ) ) - { - FT_Stream_Close( stream ); - FT_FREE( stream ); - FT_FREE( sfnt_data ); - goto Exit; - } - - FT_FREE( stream ); - } - Try_OpenType: - error = open_face_from_buffer( library, - sfnt_data, - sfnt_size, - face_index, - is_cff ? "cff" : "truetype", - aface ); - Exit: - return error; - } - - - /* Create a new FT_Face from a file path to a suitcase file. */ - static FT_Error - FT_New_Face_From_Suitcase( FT_Library library, - const UInt8* pathname, - FT_Long face_index, - FT_Face* aface ) - { - FT_Error error = FT_ERR( Cannot_Open_Resource ); - ResFileRefNum res_ref; - ResourceIndex res_index; - Handle fond; - short num_faces_in_res; - - - if ( noErr != FT_FSPathMakeRes( pathname, &res_ref ) ) - return FT_THROW( Cannot_Open_Resource ); - - UseResFile( res_ref ); - if ( ResError() ) - return FT_THROW( Cannot_Open_Resource ); - - num_faces_in_res = 0; - for ( res_index = 1; ; ++res_index ) - { - short num_faces_in_fond; - - - fond = Get1IndResource( TTAG_FOND, res_index ); - if ( ResError() ) - break; - - num_faces_in_fond = count_faces( fond, pathname ); - num_faces_in_res += num_faces_in_fond; - - if ( 0 <= face_index && face_index < num_faces_in_fond && error ) - error = FT_New_Face_From_FOND( library, fond, face_index, aface ); - - face_index -= num_faces_in_fond; - } - - CloseResFile( res_ref ); - if ( !error && aface && *aface ) - (*aface)->num_faces = num_faces_in_res; - return error; - } - - - /* documentation is in ftmac.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_New_Face_From_FOND( FT_Library library, - Handle fond, - FT_Long face_index, - FT_Face* aface ) - { - short have_sfnt, have_lwfn = 0; - ResID sfnt_id, fond_id; - OSType fond_type; - Str255 fond_name; - Str255 lwfn_file_name; - UInt8 path_lwfn[PATH_MAX]; - OSErr err; - FT_Error error = FT_Err_Ok; - - - /* check of `library' and `aface' delayed to `FT_New_Face_From_XXX' */ - - GetResInfo( fond, &fond_id, &fond_type, fond_name ); - if ( ResError() != noErr || fond_type != TTAG_FOND ) - return FT_THROW( Invalid_File_Format ); - - parse_fond( *fond, &have_sfnt, &sfnt_id, lwfn_file_name, face_index ); - - if ( lwfn_file_name[0] ) - { - ResFileRefNum res; - - - res = HomeResFile( fond ); - if ( noErr != ResError() ) - goto found_no_lwfn_file; - - { - UInt8 path_fond[PATH_MAX]; - FSRef ref; - - - err = FSGetForkCBInfo( res, kFSInvalidVolumeRefNum, - NULL, NULL, NULL, &ref, NULL ); - if ( noErr != err ) - goto found_no_lwfn_file; - - err = FSRefMakePath( &ref, path_fond, sizeof ( path_fond ) ); - if ( noErr != err ) - goto found_no_lwfn_file; - - error = lookup_lwfn_by_fond( path_fond, lwfn_file_name, - path_lwfn, sizeof ( path_lwfn ) ); - if ( !error ) - have_lwfn = 1; - } - } - - if ( have_lwfn && ( !have_sfnt || PREFER_LWFN ) ) - error = FT_New_Face_From_LWFN( library, - path_lwfn, - face_index, - aface ); - else - error = FT_THROW( Unknown_File_Format ); - - found_no_lwfn_file: - if ( have_sfnt && error ) - error = FT_New_Face_From_SFNT( library, - sfnt_id, - face_index, - aface ); - - return error; - } - - - /* Common function to load a new FT_Face from a resource file. */ - static FT_Error - FT_New_Face_From_Resource( FT_Library library, - const UInt8* pathname, - FT_Long face_index, - FT_Face* aface ) - { - OSType file_type; - FT_Error error; - - - /* LWFN is a (very) specific file format, check for it explicitly */ - file_type = get_file_type_from_path( pathname ); - if ( file_type == TTAG_LWFN ) - return FT_New_Face_From_LWFN( library, pathname, face_index, aface ); - - /* Otherwise the file type doesn't matter (there are more than */ - /* `FFIL' and `tfil'). Just try opening it as a font suitcase; */ - /* if it works, fine. */ - - error = FT_New_Face_From_Suitcase( library, pathname, face_index, aface ); - if ( error == 0 ) - return error; - - /* let it fall through to normal loader (.ttf, .otf, etc.); */ - /* we signal this by returning no error and no FT_Face */ - *aface = NULL; - return 0; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* FT_New_Face */ - /* */ - /* <Description> */ - /* This is the Mac-specific implementation of FT_New_Face. In */ - /* addition to the standard FT_New_Face() functionality, it also */ - /* accepts pathnames to Mac suitcase files. For further */ - /* documentation see the original FT_New_Face() in freetype.h. */ - /* */ - FT_EXPORT_DEF( FT_Error ) - FT_New_Face( FT_Library library, - const char* pathname, - FT_Long face_index, - FT_Face* aface ) - { - FT_Open_Args args; - FT_Error error; - - - /* test for valid `library' and `aface' delayed to FT_Open_Face() */ - if ( !pathname ) - return FT_THROW( Invalid_Argument ); - - *aface = NULL; - - /* try resourcefork based font: LWFN, FFIL */ - error = FT_New_Face_From_Resource( library, (UInt8 *)pathname, - face_index, aface ); - if ( error != 0 || *aface != NULL ) - return error; - - /* let it fall through to normal loader (.ttf, .otf, etc.) */ - args.flags = FT_OPEN_PATHNAME; - args.pathname = (char*)pathname; - return FT_Open_Face( library, &args, face_index, aface ); - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* FT_New_Face_From_FSRef */ - /* */ - /* <Description> */ - /* FT_New_Face_From_FSRef is identical to FT_New_Face except it */ - /* accepts an FSRef instead of a path. */ - /* */ - /* This function is deprecated because Carbon data types (FSRef) */ - /* are not cross-platform, and thus not suitable for the freetype API. */ - FT_EXPORT_DEF( FT_Error ) - FT_New_Face_From_FSRef( FT_Library library, - const FSRef* ref, - FT_Long face_index, - FT_Face* aface ) - { - FT_Error error; - FT_Open_Args args; - - OSErr err; - UInt8 pathname[PATH_MAX]; - - - /* check of `library' and `aface' delayed to */ - /* `FT_New_Face_From_Resource' */ - - if ( !ref ) - return FT_THROW( Invalid_Argument ); - - err = FSRefMakePath( ref, pathname, sizeof ( pathname ) ); - if ( err ) - error = FT_THROW( Cannot_Open_Resource ); - - error = FT_New_Face_From_Resource( library, pathname, face_index, aface ); - if ( error != 0 || *aface != NULL ) - return error; - - /* fallback to datafork font */ - args.flags = FT_OPEN_PATHNAME; - args.pathname = (char*)pathname; - return FT_Open_Face( library, &args, face_index, aface ); - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* FT_New_Face_From_FSSpec */ - /* */ - /* <Description> */ - /* FT_New_Face_From_FSSpec is identical to FT_New_Face except it */ - /* accepts an FSSpec instead of a path. */ - /* */ - /* This function is deprecated because FSSpec is deprecated in Mac OS X */ - FT_EXPORT_DEF( FT_Error ) - FT_New_Face_From_FSSpec( FT_Library library, - const FSSpec* spec, - FT_Long face_index, - FT_Face* aface ) - { -#if ( __LP64__ ) || ( defined( MAC_OS_X_VERSION_10_5 ) && \ - ( MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 ) ) - FT_UNUSED( library ); - FT_UNUSED( spec ); - FT_UNUSED( face_index ); - FT_UNUSED( aface ); - - return FT_THROW( Unimplemented_Feature ); -#else - FSRef ref; - - - /* check of `library' and `aface' delayed to `FT_New_Face_From_FSRef' */ - - if ( !spec || FSpMakeFSRef( spec, &ref ) != noErr ) - return FT_THROW( Invalid_Argument ); - else - return FT_New_Face_From_FSRef( library, &ref, face_index, aface ); -#endif - } - -#endif /* FT_MACINTOSH */ - - -/* END */ diff --git a/third_party/freetype/src/base/ftotval.c b/third_party/freetype/src/base/ftotval.c deleted file mode 100644 index 786457ba2a..0000000000 --- a/third_party/freetype/src/base/ftotval.c +++ /dev/null @@ -1,91 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftotval.c */ -/* */ -/* FreeType API for validating OpenType tables (body). */ -/* */ -/* Copyright 2004-2015 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_DEBUG_H - -#include FT_INTERNAL_OBJECTS_H -#include FT_SERVICE_OPENTYPE_VALIDATE_H -#include FT_OPENTYPE_VALIDATE_H - - - /* documentation is in ftotval.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_OpenType_Validate( FT_Face face, - FT_UInt validation_flags, - FT_Bytes *BASE_table, - FT_Bytes *GDEF_table, - FT_Bytes *GPOS_table, - FT_Bytes *GSUB_table, - FT_Bytes *JSTF_table ) - { - FT_Service_OTvalidate service; - FT_Error error; - - - if ( !face ) - { - error = FT_THROW( Invalid_Face_Handle ); - goto Exit; - } - - if ( !( BASE_table && - GDEF_table && - GPOS_table && - GSUB_table && - JSTF_table ) ) - { - error = FT_THROW( Invalid_Argument ); - goto Exit; - } - - FT_FACE_FIND_GLOBAL_SERVICE( face, service, OPENTYPE_VALIDATE ); - - if ( service ) - error = service->validate( face, - validation_flags, - BASE_table, - GDEF_table, - GPOS_table, - GSUB_table, - JSTF_table ); - else - error = FT_THROW( Unimplemented_Feature ); - - Exit: - return error; - } - - - FT_EXPORT_DEF( void ) - FT_OpenType_Free( FT_Face face, - FT_Bytes table ) - { - FT_Memory memory; - - - if ( !face ) - return; - - memory = FT_FACE_MEMORY( face ); - - FT_FREE( table ); - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftpatent.c b/third_party/freetype/src/base/ftpatent.c deleted file mode 100644 index bf2b0855c9..0000000000 --- a/third_party/freetype/src/base/ftpatent.c +++ /dev/null @@ -1,287 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftpatent.c */ -/* */ -/* FreeType API for checking patented TrueType bytecode instructions */ -/* (body). */ -/* */ -/* Copyright 2007-2015 by */ -/* David Turner. */ -/* */ -/* 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_FREETYPE_H -#include FT_TRUETYPE_TAGS_H -#include FT_INTERNAL_OBJECTS_H -#include FT_INTERNAL_STREAM_H -#include FT_SERVICE_SFNT_H -#include FT_SERVICE_TRUETYPE_GLYF_H - - - static FT_Bool - _tt_check_patents_in_range( FT_Stream stream, - FT_ULong size ) - { - FT_Bool result = FALSE; - FT_Error error; - FT_Bytes p, end; - - - if ( FT_FRAME_ENTER( size ) ) - return 0; - - p = stream->cursor; - end = p + size; - - while ( p < end ) - { - switch (p[0]) - { - case 0x06: /* SPvTL // */ - case 0x07: /* SPvTL + */ - case 0x08: /* SFvTL // */ - case 0x09: /* SFvTL + */ - case 0x0A: /* SPvFS */ - case 0x0B: /* SFvFS */ - result = TRUE; - goto Exit; - - case 0x40: - if ( p + 1 >= end ) - goto Exit; - - p += p[1] + 2; - break; - - case 0x41: - if ( p + 1 >= end ) - goto Exit; - - p += p[1] * 2 + 2; - break; - - case 0x71: /* DELTAP2 */ - case 0x72: /* DELTAP3 */ - case 0x73: /* DELTAC0 */ - case 0x74: /* DELTAC1 */ - case 0x75: /* DELTAC2 */ - result = TRUE; - goto Exit; - - case 0xB0: - case 0xB1: - case 0xB2: - case 0xB3: - case 0xB4: - case 0xB5: - case 0xB6: - case 0xB7: - p += ( p[0] - 0xB0 ) + 2; - break; - - case 0xB8: - case 0xB9: - case 0xBA: - case 0xBB: - case 0xBC: - case 0xBD: - case 0xBE: - case 0xBF: - p += ( p[0] - 0xB8 ) * 2 + 3; - break; - - default: - p += 1; - break; - } - } - - Exit: - FT_UNUSED( error ); - FT_FRAME_EXIT(); - return result; - } - - - static FT_Bool - _tt_check_patents_in_table( FT_Face face, - FT_ULong tag ) - { - FT_Stream stream = face->stream; - FT_Error error = FT_Err_Ok; - FT_Service_SFNT_Table service; - FT_Bool result = FALSE; - - - FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); - - if ( service ) - { - FT_UInt i = 0; - FT_ULong tag_i = 0, offset_i = 0, length_i = 0; - - - for ( i = 0; !error && tag_i != tag ; i++ ) - error = service->table_info( face, i, - &tag_i, &offset_i, &length_i ); - - if ( error || - FT_STREAM_SEEK( offset_i ) ) - goto Exit; - - result = _tt_check_patents_in_range( stream, length_i ); - } - - Exit: - return result; - } - - - static FT_Bool - _tt_face_check_patents( FT_Face face ) - { - FT_Stream stream = face->stream; - FT_UInt gindex; - FT_Error error; - FT_Bool result; - - FT_Service_TTGlyf service; - - - result = _tt_check_patents_in_table( face, TTAG_fpgm ); - if ( result ) - goto Exit; - - result = _tt_check_patents_in_table( face, TTAG_prep ); - if ( result ) - goto Exit; - - FT_FACE_FIND_SERVICE( face, service, TT_GLYF ); - if ( service == NULL ) - goto Exit; - - for ( gindex = 0; gindex < (FT_UInt)face->num_glyphs; gindex++ ) - { - FT_ULong offset, num_ins, size; - FT_Int num_contours; - - - offset = service->get_location( face, gindex, &size ); - if ( size == 0 ) - continue; - - if ( FT_STREAM_SEEK( offset ) || - FT_READ_SHORT( num_contours ) ) - continue; - - if ( num_contours >= 0 ) /* simple glyph */ - { - if ( FT_STREAM_SKIP( 8 + num_contours * 2 ) ) - continue; - } - else /* compound glyph */ - { - FT_Bool has_instr = 0; - - - if ( FT_STREAM_SKIP( 8 ) ) - continue; - - /* now read each component */ - for (;;) - { - FT_UInt flags, toskip; - - - if( FT_READ_USHORT( flags ) ) - break; - - toskip = 2 + 1 + 1; - - if ( ( flags & ( 1 << 0 ) ) != 0 ) /* ARGS_ARE_WORDS */ - toskip += 2; - - if ( ( flags & ( 1 << 3 ) ) != 0 ) /* WE_HAVE_A_SCALE */ - toskip += 2; - else if ( ( flags & ( 1 << 6 ) ) != 0 ) /* WE_HAVE_X_Y_SCALE */ - toskip += 4; - else if ( ( flags & ( 1 << 7 ) ) != 0 ) /* WE_HAVE_A_2x2 */ - toskip += 8; - - if ( ( flags & ( 1 << 8 ) ) != 0 ) /* WE_HAVE_INSTRUCTIONS */ - has_instr = 1; - - if ( FT_STREAM_SKIP( toskip ) ) - goto NextGlyph; - - if ( ( flags & ( 1 << 5 ) ) == 0 ) /* MORE_COMPONENTS */ - break; - } - - if ( !has_instr ) - goto NextGlyph; - } - - if ( FT_READ_USHORT( num_ins ) ) - continue; - - result = _tt_check_patents_in_range( stream, num_ins ); - if ( result ) - goto Exit; - - NextGlyph: - ; - } - - Exit: - return result; - } - - - /* documentation is in freetype.h */ - - FT_EXPORT_DEF( FT_Bool ) - FT_Face_CheckTrueTypePatents( FT_Face face ) - { - FT_Bool result = FALSE; - - - if ( face && FT_IS_SFNT( face ) ) - result = _tt_face_check_patents( face ); - - return result; - } - - - /* documentation is in freetype.h */ - - FT_EXPORT_DEF( FT_Bool ) - FT_Face_SetUnpatentedHinting( FT_Face face, - FT_Bool value ) - { - FT_Bool result = FALSE; - - -#if defined( TT_CONFIG_OPTION_UNPATENTED_HINTING ) && \ - !defined( TT_CONFIG_OPTION_BYTECODE_INTERPRETER ) - if ( face && FT_IS_SFNT( face ) ) - { - result = !face->internal->ignore_unpatented_hinter; - face->internal->ignore_unpatented_hinter = !value; - } -#else - FT_UNUSED( face ); - FT_UNUSED( value ); -#endif - - return result; - } - -/* END */ diff --git a/third_party/freetype/src/base/ftpfr.c b/third_party/freetype/src/base/ftpfr.c deleted file mode 100644 index 39f089e3e9..0000000000 --- a/third_party/freetype/src/base/ftpfr.c +++ /dev/null @@ -1,153 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftpfr.c */ -/* */ -/* FreeType API for accessing PFR-specific data (body). */ -/* */ -/* Copyright 2002-2015 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_DEBUG_H - -#include FT_INTERNAL_OBJECTS_H -#include FT_SERVICE_PFR_H - - - /* check the format */ - static FT_Service_PfrMetrics - ft_pfr_check( FT_Face face ) - { - FT_Service_PfrMetrics service = NULL; - - - if ( face ) - FT_FACE_LOOKUP_SERVICE( face, service, PFR_METRICS ); - - return service; - } - - - /* documentation is in ftpfr.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Get_PFR_Metrics( FT_Face face, - FT_UInt *aoutline_resolution, - FT_UInt *ametrics_resolution, - FT_Fixed *ametrics_x_scale, - FT_Fixed *ametrics_y_scale ) - { - FT_Error error = FT_Err_Ok; - FT_Service_PfrMetrics service; - - - if ( !face ) - return FT_THROW( Invalid_Face_Handle ); - - service = ft_pfr_check( face ); - if ( service ) - { - error = service->get_metrics( face, - aoutline_resolution, - ametrics_resolution, - ametrics_x_scale, - ametrics_y_scale ); - } - else - { - FT_Fixed x_scale, y_scale; - - - /* this is not a PFR font */ - if ( aoutline_resolution ) - *aoutline_resolution = face->units_per_EM; - - if ( ametrics_resolution ) - *ametrics_resolution = face->units_per_EM; - - x_scale = y_scale = 0x10000L; - if ( face->size ) - { - x_scale = face->size->metrics.x_scale; - y_scale = face->size->metrics.y_scale; - } - - if ( ametrics_x_scale ) - *ametrics_x_scale = x_scale; - - if ( ametrics_y_scale ) - *ametrics_y_scale = y_scale; - - error = FT_THROW( Unknown_File_Format ); - } - - return error; - } - - - /* documentation is in ftpfr.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Get_PFR_Kerning( FT_Face face, - FT_UInt left, - FT_UInt right, - FT_Vector *avector ) - { - FT_Error error; - FT_Service_PfrMetrics service; - - - if ( !face ) - return FT_THROW( Invalid_Face_Handle ); - - if ( !avector ) - return FT_THROW( Invalid_Argument ); - - service = ft_pfr_check( face ); - if ( service ) - error = service->get_kerning( face, left, right, avector ); - else - error = FT_Get_Kerning( face, left, right, - FT_KERNING_UNSCALED, avector ); - - return error; - } - - - /* documentation is in ftpfr.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Get_PFR_Advance( FT_Face face, - FT_UInt gindex, - FT_Pos *aadvance ) - { - FT_Error error; - FT_Service_PfrMetrics service; - - - if ( !face ) - return FT_THROW( Invalid_Face_Handle ); - - if ( !aadvance ) - return FT_THROW( Invalid_Argument ); - - service = ft_pfr_check( face ); - if ( service ) - error = service->get_advance( face, gindex, aadvance ); - else - /* XXX: TODO: PROVIDE ADVANCE-LOADING METHOD TO ALL FONT DRIVERS */ - error = FT_THROW( Invalid_Argument ); - - return error; - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftstroke.c b/third_party/freetype/src/base/ftstroke.c deleted file mode 100644 index fecb3cc25c..0000000000 --- a/third_party/freetype/src/base/ftstroke.c +++ /dev/null @@ -1,2468 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftstroke.c */ -/* */ -/* FreeType path stroker (body). */ -/* */ -/* Copyright 2002-2015 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_STROKER_H -#include FT_TRIGONOMETRY_H -#include FT_OUTLINE_H -#include FT_INTERNAL_MEMORY_H -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_OBJECTS_H - -#include "basepic.h" - - - /* declare an extern to access `ft_outline_glyph_class' globally */ - /* allocated in `ftglyph.c', and use the FT_OUTLINE_GLYPH_CLASS_GET */ - /* macro to access it when FT_CONFIG_OPTION_PIC is defined */ -#ifndef FT_CONFIG_OPTION_PIC - FT_CALLBACK_TABLE const FT_Glyph_Class ft_outline_glyph_class; -#endif - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_StrokerBorder ) - FT_Outline_GetInsideBorder( FT_Outline* outline ) - { - FT_Orientation o = FT_Outline_Get_Orientation( outline ); - - - return o == FT_ORIENTATION_TRUETYPE ? FT_STROKER_BORDER_RIGHT - : FT_STROKER_BORDER_LEFT; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_StrokerBorder ) - FT_Outline_GetOutsideBorder( FT_Outline* outline ) - { - FT_Orientation o = FT_Outline_Get_Orientation( outline ); - - - return o == FT_ORIENTATION_TRUETYPE ? FT_STROKER_BORDER_LEFT - : FT_STROKER_BORDER_RIGHT; - } - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** BEZIER COMPUTATIONS *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - -#define FT_SMALL_CONIC_THRESHOLD ( FT_ANGLE_PI / 6 ) -#define FT_SMALL_CUBIC_THRESHOLD ( FT_ANGLE_PI / 8 ) - -#define FT_EPSILON 2 - -#define FT_IS_SMALL( x ) ( (x) > -FT_EPSILON && (x) < FT_EPSILON ) - - - static FT_Pos - ft_pos_abs( FT_Pos x ) - { - return x >= 0 ? x : -x; - } - - - static void - ft_conic_split( FT_Vector* base ) - { - FT_Pos a, b; - - - base[4].x = base[2].x; - b = base[1].x; - a = base[3].x = ( base[2].x + b ) / 2; - b = base[1].x = ( base[0].x + b ) / 2; - base[2].x = ( a + b ) / 2; - - base[4].y = base[2].y; - b = base[1].y; - a = base[3].y = ( base[2].y + b ) / 2; - b = base[1].y = ( base[0].y + b ) / 2; - base[2].y = ( a + b ) / 2; - } - - - static FT_Bool - ft_conic_is_small_enough( FT_Vector* base, - FT_Angle *angle_in, - FT_Angle *angle_out ) - { - FT_Vector d1, d2; - FT_Angle theta; - FT_Int close1, close2; - - - d1.x = base[1].x - base[2].x; - d1.y = base[1].y - base[2].y; - d2.x = base[0].x - base[1].x; - d2.y = base[0].y - base[1].y; - - close1 = FT_IS_SMALL( d1.x ) && FT_IS_SMALL( d1.y ); - close2 = FT_IS_SMALL( d2.x ) && FT_IS_SMALL( d2.y ); - - if ( close1 ) - { - if ( close2 ) - { - /* basically a point; */ - /* do nothing to retain original direction */ - } - else - { - *angle_in = - *angle_out = FT_Atan2( d2.x, d2.y ); - } - } - else /* !close1 */ - { - if ( close2 ) - { - *angle_in = - *angle_out = FT_Atan2( d1.x, d1.y ); - } - else - { - *angle_in = FT_Atan2( d1.x, d1.y ); - *angle_out = FT_Atan2( d2.x, d2.y ); - } - } - - theta = ft_pos_abs( FT_Angle_Diff( *angle_in, *angle_out ) ); - - return FT_BOOL( theta < FT_SMALL_CONIC_THRESHOLD ); - } - - - static void - ft_cubic_split( FT_Vector* base ) - { - FT_Pos a, b, c, d; - - - base[6].x = base[3].x; - c = base[1].x; - d = base[2].x; - base[1].x = a = ( base[0].x + c ) / 2; - base[5].x = b = ( base[3].x + d ) / 2; - c = ( c + d ) / 2; - base[2].x = a = ( a + c ) / 2; - base[4].x = b = ( b + c ) / 2; - base[3].x = ( a + b ) / 2; - - base[6].y = base[3].y; - c = base[1].y; - d = base[2].y; - base[1].y = a = ( base[0].y + c ) / 2; - base[5].y = b = ( base[3].y + d ) / 2; - c = ( c + d ) / 2; - base[2].y = a = ( a + c ) / 2; - base[4].y = b = ( b + c ) / 2; - base[3].y = ( a + b ) / 2; - } - - - /* Return the average of `angle1' and `angle2'. */ - /* This gives correct result even if `angle1' and `angle2' */ - /* have opposite signs. */ - static FT_Angle - ft_angle_mean( FT_Angle angle1, - FT_Angle angle2 ) - { - return angle1 + FT_Angle_Diff( angle1, angle2 ) / 2; - } - - - static FT_Bool - ft_cubic_is_small_enough( FT_Vector* base, - FT_Angle *angle_in, - FT_Angle *angle_mid, - FT_Angle *angle_out ) - { - FT_Vector d1, d2, d3; - FT_Angle theta1, theta2; - FT_Int close1, close2, close3; - - - d1.x = base[2].x - base[3].x; - d1.y = base[2].y - base[3].y; - d2.x = base[1].x - base[2].x; - d2.y = base[1].y - base[2].y; - d3.x = base[0].x - base[1].x; - d3.y = base[0].y - base[1].y; - - close1 = FT_IS_SMALL( d1.x ) && FT_IS_SMALL( d1.y ); - close2 = FT_IS_SMALL( d2.x ) && FT_IS_SMALL( d2.y ); - close3 = FT_IS_SMALL( d3.x ) && FT_IS_SMALL( d3.y ); - - if ( close1 ) - { - if ( close2 ) - { - if ( close3 ) - { - /* basically a point; */ - /* do nothing to retain original direction */ - } - else /* !close3 */ - { - *angle_in = - *angle_mid = - *angle_out = FT_Atan2( d3.x, d3.y ); - } - } - else /* !close2 */ - { - if ( close3 ) - { - *angle_in = - *angle_mid = - *angle_out = FT_Atan2( d2.x, d2.y ); - } - else /* !close3 */ - { - *angle_in = - *angle_mid = FT_Atan2( d2.x, d2.y ); - *angle_out = FT_Atan2( d3.x, d3.y ); - } - } - } - else /* !close1 */ - { - if ( close2 ) - { - if ( close3 ) - { - *angle_in = - *angle_mid = - *angle_out = FT_Atan2( d1.x, d1.y ); - } - else /* !close3 */ - { - *angle_in = FT_Atan2( d1.x, d1.y ); - *angle_out = FT_Atan2( d3.x, d3.y ); - *angle_mid = ft_angle_mean( *angle_in, *angle_out ); - } - } - else /* !close2 */ - { - if ( close3 ) - { - *angle_in = FT_Atan2( d1.x, d1.y ); - *angle_mid = - *angle_out = FT_Atan2( d2.x, d2.y ); - } - else /* !close3 */ - { - *angle_in = FT_Atan2( d1.x, d1.y ); - *angle_mid = FT_Atan2( d2.x, d2.y ); - *angle_out = FT_Atan2( d3.x, d3.y ); - } - } - } - - theta1 = ft_pos_abs( FT_Angle_Diff( *angle_in, *angle_mid ) ); - theta2 = ft_pos_abs( FT_Angle_Diff( *angle_mid, *angle_out ) ); - - return FT_BOOL( theta1 < FT_SMALL_CUBIC_THRESHOLD && - theta2 < FT_SMALL_CUBIC_THRESHOLD ); - } - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** STROKE BORDERS *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - typedef enum FT_StrokeTags_ - { - FT_STROKE_TAG_ON = 1, /* on-curve point */ - FT_STROKE_TAG_CUBIC = 2, /* cubic off-point */ - FT_STROKE_TAG_BEGIN = 4, /* sub-path start */ - FT_STROKE_TAG_END = 8 /* sub-path end */ - - } FT_StrokeTags; - -#define FT_STROKE_TAG_BEGIN_END ( FT_STROKE_TAG_BEGIN | FT_STROKE_TAG_END ) - - typedef struct FT_StrokeBorderRec_ - { - FT_UInt num_points; - FT_UInt max_points; - FT_Vector* points; - FT_Byte* tags; - FT_Bool movable; /* TRUE for ends of lineto borders */ - FT_Int start; /* index of current sub-path start point */ - FT_Memory memory; - FT_Bool valid; - - } FT_StrokeBorderRec, *FT_StrokeBorder; - - - static FT_Error - ft_stroke_border_grow( FT_StrokeBorder border, - FT_UInt new_points ) - { - FT_UInt old_max = border->max_points; - FT_UInt new_max = border->num_points + new_points; - FT_Error error = FT_Err_Ok; - - - if ( new_max > old_max ) - { - FT_UInt cur_max = old_max; - FT_Memory memory = border->memory; - - - while ( cur_max < new_max ) - cur_max += ( cur_max >> 1 ) + 16; - - if ( FT_RENEW_ARRAY( border->points, old_max, cur_max ) || - FT_RENEW_ARRAY( border->tags, old_max, cur_max ) ) - goto Exit; - - border->max_points = cur_max; - } - - Exit: - return error; - } - - - static void - ft_stroke_border_close( FT_StrokeBorder border, - FT_Bool reverse ) - { - FT_UInt start = (FT_UInt)border->start; - FT_UInt count = border->num_points; - - - FT_ASSERT( border->start >= 0 ); - - /* don't record empty paths! */ - if ( count <= start + 1U ) - border->num_points = start; - else - { - /* copy the last point to the start of this sub-path, since */ - /* it contains the `adjusted' starting coordinates */ - border->num_points = --count; - border->points[start] = border->points[count]; - - if ( reverse ) - { - /* reverse the points */ - { - FT_Vector* vec1 = border->points + start + 1; - FT_Vector* vec2 = border->points + count - 1; - - - for ( ; vec1 < vec2; vec1++, vec2-- ) - { - FT_Vector tmp; - - - tmp = *vec1; - *vec1 = *vec2; - *vec2 = tmp; - } - } - - /* then the tags */ - { - FT_Byte* tag1 = border->tags + start + 1; - FT_Byte* tag2 = border->tags + count - 1; - - - for ( ; tag1 < tag2; tag1++, tag2-- ) - { - FT_Byte tmp; - - - tmp = *tag1; - *tag1 = *tag2; - *tag2 = tmp; - } - } - } - - border->tags[start ] |= FT_STROKE_TAG_BEGIN; - border->tags[count - 1] |= FT_STROKE_TAG_END; - } - - border->start = -1; - border->movable = FALSE; - } - - - static FT_Error - ft_stroke_border_lineto( FT_StrokeBorder border, - FT_Vector* to, - FT_Bool movable ) - { - FT_Error error = FT_Err_Ok; - - - FT_ASSERT( border->start >= 0 ); - - if ( border->movable ) - { - /* move last point */ - border->points[border->num_points - 1] = *to; - } - else - { - /* don't add zero-length lineto */ - if ( border->num_points > 0 && - FT_IS_SMALL( border->points[border->num_points - 1].x - to->x ) && - FT_IS_SMALL( border->points[border->num_points - 1].y - to->y ) ) - return error; - - /* add one point */ - error = ft_stroke_border_grow( border, 1 ); - if ( !error ) - { - FT_Vector* vec = border->points + border->num_points; - FT_Byte* tag = border->tags + border->num_points; - - - vec[0] = *to; - tag[0] = FT_STROKE_TAG_ON; - - border->num_points += 1; - } - } - border->movable = movable; - return error; - } - - - static FT_Error - ft_stroke_border_conicto( FT_StrokeBorder border, - FT_Vector* control, - FT_Vector* to ) - { - FT_Error error; - - - FT_ASSERT( border->start >= 0 ); - - error = ft_stroke_border_grow( border, 2 ); - if ( !error ) - { - FT_Vector* vec = border->points + border->num_points; - FT_Byte* tag = border->tags + border->num_points; - - - vec[0] = *control; - vec[1] = *to; - - tag[0] = 0; - tag[1] = FT_STROKE_TAG_ON; - - border->num_points += 2; - } - - border->movable = FALSE; - - return error; - } - - - static FT_Error - ft_stroke_border_cubicto( FT_StrokeBorder border, - FT_Vector* control1, - FT_Vector* control2, - FT_Vector* to ) - { - FT_Error error; - - - FT_ASSERT( border->start >= 0 ); - - error = ft_stroke_border_grow( border, 3 ); - if ( !error ) - { - FT_Vector* vec = border->points + border->num_points; - FT_Byte* tag = border->tags + border->num_points; - - - vec[0] = *control1; - vec[1] = *control2; - vec[2] = *to; - - tag[0] = FT_STROKE_TAG_CUBIC; - tag[1] = FT_STROKE_TAG_CUBIC; - tag[2] = FT_STROKE_TAG_ON; - - border->num_points += 3; - } - - border->movable = FALSE; - - return error; - } - - -#define FT_ARC_CUBIC_ANGLE ( FT_ANGLE_PI / 2 ) - - - static FT_Error - ft_stroke_border_arcto( FT_StrokeBorder border, - FT_Vector* center, - FT_Fixed radius, - FT_Angle angle_start, - FT_Angle angle_diff ) - { - FT_Angle total, angle, step, rotate, next, theta; - FT_Vector a, b, a2, b2; - FT_Fixed length; - FT_Error error = FT_Err_Ok; - - - /* compute start point */ - FT_Vector_From_Polar( &a, radius, angle_start ); - a.x += center->x; - a.y += center->y; - - total = angle_diff; - angle = angle_start; - rotate = ( angle_diff >= 0 ) ? FT_ANGLE_PI2 : -FT_ANGLE_PI2; - - while ( total != 0 ) - { - step = total; - if ( step > FT_ARC_CUBIC_ANGLE ) - step = FT_ARC_CUBIC_ANGLE; - - else if ( step < -FT_ARC_CUBIC_ANGLE ) - step = -FT_ARC_CUBIC_ANGLE; - - next = angle + step; - theta = step; - if ( theta < 0 ) - theta = -theta; - - theta >>= 1; - - /* compute end point */ - FT_Vector_From_Polar( &b, radius, next ); - b.x += center->x; - b.y += center->y; - - /* compute first and second control points */ - length = FT_MulDiv( radius, FT_Sin( theta ) * 4, - ( 0x10000L + FT_Cos( theta ) ) * 3 ); - - FT_Vector_From_Polar( &a2, length, angle + rotate ); - a2.x += a.x; - a2.y += a.y; - - FT_Vector_From_Polar( &b2, length, next - rotate ); - b2.x += b.x; - b2.y += b.y; - - /* add cubic arc */ - error = ft_stroke_border_cubicto( border, &a2, &b2, &b ); - if ( error ) - break; - - /* process the rest of the arc ?? */ - a = b; - total -= step; - angle = next; - } - - return error; - } - - - static FT_Error - ft_stroke_border_moveto( FT_StrokeBorder border, - FT_Vector* to ) - { - /* close current open path if any ? */ - if ( border->start >= 0 ) - ft_stroke_border_close( border, FALSE ); - - border->start = (FT_Int)border->num_points; - border->movable = FALSE; - - return ft_stroke_border_lineto( border, to, FALSE ); - } - - - static void - ft_stroke_border_init( FT_StrokeBorder border, - FT_Memory memory ) - { - border->memory = memory; - border->points = NULL; - border->tags = NULL; - - border->num_points = 0; - border->max_points = 0; - border->start = -1; - border->valid = FALSE; - } - - - static void - ft_stroke_border_reset( FT_StrokeBorder border ) - { - border->num_points = 0; - border->start = -1; - border->valid = FALSE; - } - - - static void - ft_stroke_border_done( FT_StrokeBorder border ) - { - FT_Memory memory = border->memory; - - - FT_FREE( border->points ); - FT_FREE( border->tags ); - - border->num_points = 0; - border->max_points = 0; - border->start = -1; - border->valid = FALSE; - } - - - static FT_Error - ft_stroke_border_get_counts( FT_StrokeBorder border, - FT_UInt *anum_points, - FT_UInt *anum_contours ) - { - FT_Error error = FT_Err_Ok; - FT_UInt num_points = 0; - FT_UInt num_contours = 0; - - FT_UInt count = border->num_points; - FT_Vector* point = border->points; - FT_Byte* tags = border->tags; - FT_Int in_contour = 0; - - - for ( ; count > 0; count--, num_points++, point++, tags++ ) - { - if ( tags[0] & FT_STROKE_TAG_BEGIN ) - { - if ( in_contour != 0 ) - goto Fail; - - in_contour = 1; - } - else if ( in_contour == 0 ) - goto Fail; - - if ( tags[0] & FT_STROKE_TAG_END ) - { - in_contour = 0; - num_contours++; - } - } - - if ( in_contour != 0 ) - goto Fail; - - border->valid = TRUE; - - Exit: - *anum_points = num_points; - *anum_contours = num_contours; - return error; - - Fail: - num_points = 0; - num_contours = 0; - goto Exit; - } - - - static void - ft_stroke_border_export( FT_StrokeBorder border, - FT_Outline* outline ) - { - /* copy point locations */ - FT_ARRAY_COPY( outline->points + outline->n_points, - border->points, - border->num_points ); - - /* copy tags */ - { - FT_UInt count = border->num_points; - FT_Byte* read = border->tags; - FT_Byte* write = (FT_Byte*)outline->tags + outline->n_points; - - - for ( ; count > 0; count--, read++, write++ ) - { - if ( *read & FT_STROKE_TAG_ON ) - *write = FT_CURVE_TAG_ON; - else if ( *read & FT_STROKE_TAG_CUBIC ) - *write = FT_CURVE_TAG_CUBIC; - else - *write = FT_CURVE_TAG_CONIC; - } - } - - /* copy contours */ - { - FT_UInt count = border->num_points; - FT_Byte* tags = border->tags; - FT_Short* write = outline->contours + outline->n_contours; - FT_Short idx = (FT_Short)outline->n_points; - - - for ( ; count > 0; count--, tags++, idx++ ) - { - if ( *tags & FT_STROKE_TAG_END ) - { - *write++ = idx; - outline->n_contours++; - } - } - } - - outline->n_points += (short)border->num_points; - - FT_ASSERT( FT_Outline_Check( outline ) == 0 ); - } - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** STROKER *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - -#define FT_SIDE_TO_ROTATE( s ) ( FT_ANGLE_PI2 - (s) * FT_ANGLE_PI ) - - typedef struct FT_StrokerRec_ - { - FT_Angle angle_in; /* direction into curr join */ - FT_Angle angle_out; /* direction out of join */ - FT_Vector center; /* current position */ - FT_Fixed line_length; /* length of last lineto */ - FT_Bool first_point; /* is this the start? */ - FT_Bool subpath_open; /* is the subpath open? */ - FT_Angle subpath_angle; /* subpath start direction */ - FT_Vector subpath_start; /* subpath start position */ - FT_Fixed subpath_line_length; /* subpath start lineto len */ - FT_Bool handle_wide_strokes; /* use wide strokes logic? */ - - FT_Stroker_LineCap line_cap; - FT_Stroker_LineJoin line_join; - FT_Stroker_LineJoin line_join_saved; - FT_Fixed miter_limit; - FT_Fixed radius; - - FT_StrokeBorderRec borders[2]; - FT_Library library; - - } FT_StrokerRec; - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Stroker_New( FT_Library library, - FT_Stroker *astroker ) - { - FT_Error error; /* assigned in FT_NEW */ - FT_Memory memory; - FT_Stroker stroker = NULL; - - - if ( !library ) - return FT_THROW( Invalid_Library_Handle ); - - if ( !astroker ) - return FT_THROW( Invalid_Argument ); - - memory = library->memory; - - if ( !FT_NEW( stroker ) ) - { - stroker->library = library; - - ft_stroke_border_init( &stroker->borders[0], memory ); - ft_stroke_border_init( &stroker->borders[1], memory ); - } - - *astroker = stroker; - - return error; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( void ) - FT_Stroker_Set( FT_Stroker stroker, - FT_Fixed radius, - FT_Stroker_LineCap line_cap, - FT_Stroker_LineJoin line_join, - FT_Fixed miter_limit ) - { - if ( !stroker ) - return; - - stroker->radius = radius; - stroker->line_cap = line_cap; - stroker->line_join = line_join; - stroker->miter_limit = miter_limit; - - /* ensure miter limit has sensible value */ - if ( stroker->miter_limit < 0x10000L ) - stroker->miter_limit = 0x10000L; - - /* save line join style: */ - /* line join style can be temporarily changed when stroking curves */ - stroker->line_join_saved = line_join; - - FT_Stroker_Rewind( stroker ); - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( void ) - FT_Stroker_Rewind( FT_Stroker stroker ) - { - if ( stroker ) - { - ft_stroke_border_reset( &stroker->borders[0] ); - ft_stroke_border_reset( &stroker->borders[1] ); - } - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( void ) - FT_Stroker_Done( FT_Stroker stroker ) - { - if ( stroker ) - { - FT_Memory memory = stroker->library->memory; - - - ft_stroke_border_done( &stroker->borders[0] ); - ft_stroke_border_done( &stroker->borders[1] ); - - stroker->library = NULL; - FT_FREE( stroker ); - } - } - - - /* create a circular arc at a corner or cap */ - static FT_Error - ft_stroker_arcto( FT_Stroker stroker, - FT_Int side ) - { - FT_Angle total, rotate; - FT_Fixed radius = stroker->radius; - FT_Error error = FT_Err_Ok; - FT_StrokeBorder border = stroker->borders + side; - - - rotate = FT_SIDE_TO_ROTATE( side ); - - total = FT_Angle_Diff( stroker->angle_in, stroker->angle_out ); - if ( total == FT_ANGLE_PI ) - total = -rotate * 2; - - error = ft_stroke_border_arcto( border, - &stroker->center, - radius, - stroker->angle_in + rotate, - total ); - border->movable = FALSE; - return error; - } - - - /* add a cap at the end of an opened path */ - static FT_Error - ft_stroker_cap( FT_Stroker stroker, - FT_Angle angle, - FT_Int side ) - { - FT_Error error = FT_Err_Ok; - - - if ( stroker->line_cap == FT_STROKER_LINECAP_ROUND ) - { - /* add a round cap */ - stroker->angle_in = angle; - stroker->angle_out = angle + FT_ANGLE_PI; - - error = ft_stroker_arcto( stroker, side ); - } - else if ( stroker->line_cap == FT_STROKER_LINECAP_SQUARE ) - { - /* add a square cap */ - FT_Vector delta, delta2; - FT_Angle rotate = FT_SIDE_TO_ROTATE( side ); - FT_Fixed radius = stroker->radius; - FT_StrokeBorder border = stroker->borders + side; - - - FT_Vector_From_Polar( &delta2, radius, angle + rotate ); - FT_Vector_From_Polar( &delta, radius, angle ); - - delta.x += stroker->center.x + delta2.x; - delta.y += stroker->center.y + delta2.y; - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - if ( error ) - goto Exit; - - FT_Vector_From_Polar( &delta2, radius, angle - rotate ); - FT_Vector_From_Polar( &delta, radius, angle ); - - delta.x += delta2.x + stroker->center.x; - delta.y += delta2.y + stroker->center.y; - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - } - else if ( stroker->line_cap == FT_STROKER_LINECAP_BUTT ) - { - /* add a butt ending */ - FT_Vector delta; - FT_Angle rotate = FT_SIDE_TO_ROTATE( side ); - FT_Fixed radius = stroker->radius; - FT_StrokeBorder border = stroker->borders + side; - - - FT_Vector_From_Polar( &delta, radius, angle + rotate ); - - delta.x += stroker->center.x; - delta.y += stroker->center.y; - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - if ( error ) - goto Exit; - - FT_Vector_From_Polar( &delta, radius, angle - rotate ); - - delta.x += stroker->center.x; - delta.y += stroker->center.y; - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - } - - Exit: - return error; - } - - - /* process an inside corner, i.e. compute intersection */ - static FT_Error - ft_stroker_inside( FT_Stroker stroker, - FT_Int side, - FT_Fixed line_length ) - { - FT_StrokeBorder border = stroker->borders + side; - FT_Angle phi, theta, rotate; - FT_Fixed length, thcos; - FT_Vector delta; - FT_Error error = FT_Err_Ok; - FT_Bool intersect; /* use intersection of lines? */ - - - rotate = FT_SIDE_TO_ROTATE( side ); - - theta = FT_Angle_Diff( stroker->angle_in, stroker->angle_out ) / 2; - - /* Only intersect borders if between two lineto's and both */ - /* lines are long enough (line_length is zero for curves). */ - /* Also avoid U-turns of nearly 180 degree. */ - if ( !border->movable || line_length == 0 || - theta > 0x59C000 || theta < -0x59C000 ) - intersect = FALSE; - else - { - /* compute minimum required length of lines */ - FT_Fixed min_length = ft_pos_abs( FT_MulFix( stroker->radius, - FT_Tan( theta ) ) ); - - - intersect = FT_BOOL( min_length && - stroker->line_length >= min_length && - line_length >= min_length ); - } - - if ( !intersect ) - { - FT_Vector_From_Polar( &delta, stroker->radius, - stroker->angle_out + rotate ); - delta.x += stroker->center.x; - delta.y += stroker->center.y; - - border->movable = FALSE; - } - else - { - /* compute median angle */ - phi = stroker->angle_in + theta; - - thcos = FT_Cos( theta ); - - length = FT_DivFix( stroker->radius, thcos ); - - FT_Vector_From_Polar( &delta, length, phi + rotate ); - delta.x += stroker->center.x; - delta.y += stroker->center.y; - } - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - - return error; - } - - - /* process an outside corner, i.e. compute bevel/miter/round */ - static FT_Error - ft_stroker_outside( FT_Stroker stroker, - FT_Int side, - FT_Fixed line_length ) - { - FT_StrokeBorder border = stroker->borders + side; - FT_Error error; - FT_Angle rotate; - - - if ( stroker->line_join == FT_STROKER_LINEJOIN_ROUND ) - error = ft_stroker_arcto( stroker, side ); - else - { - /* this is a mitered (pointed) or beveled (truncated) corner */ - FT_Fixed sigma = 0, radius = stroker->radius; - FT_Angle theta = 0, phi = 0; - FT_Fixed thcos = 0; - FT_Bool bevel, fixed_bevel; - - - rotate = FT_SIDE_TO_ROTATE( side ); - - bevel = - FT_BOOL( stroker->line_join == FT_STROKER_LINEJOIN_BEVEL ); - - fixed_bevel = - FT_BOOL( stroker->line_join != FT_STROKER_LINEJOIN_MITER_VARIABLE ); - - if ( !bevel ) - { - theta = FT_Angle_Diff( stroker->angle_in, stroker->angle_out ); - - if ( theta == FT_ANGLE_PI ) - { - theta = rotate; - phi = stroker->angle_in; - } - else - { - theta /= 2; - phi = stroker->angle_in + theta + rotate; - } - - thcos = FT_Cos( theta ); - sigma = FT_MulFix( stroker->miter_limit, thcos ); - - /* is miter limit exceeded? */ - if ( sigma < 0x10000L ) - { - /* don't create variable bevels for very small deviations; */ - /* FT_Sin(x) = 0 for x <= 57 */ - if ( fixed_bevel || ft_pos_abs( theta ) > 57 ) - bevel = TRUE; - } - } - - if ( bevel ) /* this is a bevel (broken angle) */ - { - if ( fixed_bevel ) - { - /* the outer corners are simply joined together */ - FT_Vector delta; - - - /* add bevel */ - FT_Vector_From_Polar( &delta, - radius, - stroker->angle_out + rotate ); - delta.x += stroker->center.x; - delta.y += stroker->center.y; - - border->movable = FALSE; - error = ft_stroke_border_lineto( border, &delta, FALSE ); - } - else /* variable bevel */ - { - /* the miter is truncated */ - FT_Vector middle, delta; - FT_Fixed length; - - - /* compute middle point */ - FT_Vector_From_Polar( &middle, - FT_MulFix( radius, stroker->miter_limit ), - phi ); - middle.x += stroker->center.x; - middle.y += stroker->center.y; - - /* compute first angle point */ - length = FT_MulDiv( radius, 0x10000L - sigma, - ft_pos_abs( FT_Sin( theta ) ) ); - - FT_Vector_From_Polar( &delta, length, phi + rotate ); - delta.x += middle.x; - delta.y += middle.y; - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - if ( error ) - goto Exit; - - /* compute second angle point */ - FT_Vector_From_Polar( &delta, length, phi - rotate ); - delta.x += middle.x; - delta.y += middle.y; - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - if ( error ) - goto Exit; - - /* finally, add an end point; only needed if not lineto */ - /* (line_length is zero for curves) */ - if ( line_length == 0 ) - { - FT_Vector_From_Polar( &delta, - radius, - stroker->angle_out + rotate ); - - delta.x += stroker->center.x; - delta.y += stroker->center.y; - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - } - } - } - else /* this is a miter (intersection) */ - { - FT_Fixed length; - FT_Vector delta; - - - length = FT_DivFix( stroker->radius, thcos ); - - FT_Vector_From_Polar( &delta, length, phi ); - delta.x += stroker->center.x; - delta.y += stroker->center.y; - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - if ( error ) - goto Exit; - - /* now add an end point; only needed if not lineto */ - /* (line_length is zero for curves) */ - if ( line_length == 0 ) - { - FT_Vector_From_Polar( &delta, - stroker->radius, - stroker->angle_out + rotate ); - delta.x += stroker->center.x; - delta.y += stroker->center.y; - - error = ft_stroke_border_lineto( border, &delta, FALSE ); - } - } - } - - Exit: - return error; - } - - - static FT_Error - ft_stroker_process_corner( FT_Stroker stroker, - FT_Fixed line_length ) - { - FT_Error error = FT_Err_Ok; - FT_Angle turn; - FT_Int inside_side; - - - turn = FT_Angle_Diff( stroker->angle_in, stroker->angle_out ); - - /* no specific corner processing is required if the turn is 0 */ - if ( turn == 0 ) - goto Exit; - - /* when we turn to the right, the inside side is 0 */ - /* otherwise, the inside side is 1 */ - inside_side = ( turn < 0 ); - - /* process the inside side */ - error = ft_stroker_inside( stroker, inside_side, line_length ); - if ( error ) - goto Exit; - - /* process the outside side */ - error = ft_stroker_outside( stroker, !inside_side, line_length ); - - Exit: - return error; - } - - - /* add two points to the left and right borders corresponding to the */ - /* start of the subpath */ - static FT_Error - ft_stroker_subpath_start( FT_Stroker stroker, - FT_Angle start_angle, - FT_Fixed line_length ) - { - FT_Vector delta; - FT_Vector point; - FT_Error error; - FT_StrokeBorder border; - - - FT_Vector_From_Polar( &delta, stroker->radius, - start_angle + FT_ANGLE_PI2 ); - - point.x = stroker->center.x + delta.x; - point.y = stroker->center.y + delta.y; - - border = stroker->borders; - error = ft_stroke_border_moveto( border, &point ); - if ( error ) - goto Exit; - - point.x = stroker->center.x - delta.x; - point.y = stroker->center.y - delta.y; - - border++; - error = ft_stroke_border_moveto( border, &point ); - - /* save angle, position, and line length for last join */ - /* (line_length is zero for curves) */ - stroker->subpath_angle = start_angle; - stroker->first_point = FALSE; - stroker->subpath_line_length = line_length; - - Exit: - return error; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Stroker_LineTo( FT_Stroker stroker, - FT_Vector* to ) - { - FT_Error error = FT_Err_Ok; - FT_StrokeBorder border; - FT_Vector delta; - FT_Angle angle; - FT_Int side; - FT_Fixed line_length; - - - if ( !stroker || !to ) - return FT_THROW( Invalid_Argument ); - - delta.x = to->x - stroker->center.x; - delta.y = to->y - stroker->center.y; - - /* a zero-length lineto is a no-op; avoid creating a spurious corner */ - if ( delta.x == 0 && delta.y == 0 ) - goto Exit; - - /* compute length of line */ - line_length = FT_Vector_Length( &delta ); - - angle = FT_Atan2( delta.x, delta.y ); - FT_Vector_From_Polar( &delta, stroker->radius, angle + FT_ANGLE_PI2 ); - - /* process corner if necessary */ - if ( stroker->first_point ) - { - /* This is the first segment of a subpath. We need to */ - /* add a point to each border at their respective starting */ - /* point locations. */ - error = ft_stroker_subpath_start( stroker, angle, line_length ); - if ( error ) - goto Exit; - } - else - { - /* process the current corner */ - stroker->angle_out = angle; - error = ft_stroker_process_corner( stroker, line_length ); - if ( error ) - goto Exit; - } - - /* now add a line segment to both the `inside' and `outside' paths */ - for ( border = stroker->borders, side = 1; side >= 0; side--, border++ ) - { - FT_Vector point; - - - point.x = to->x + delta.x; - point.y = to->y + delta.y; - - /* the ends of lineto borders are movable */ - error = ft_stroke_border_lineto( border, &point, TRUE ); - if ( error ) - goto Exit; - - delta.x = -delta.x; - delta.y = -delta.y; - } - - stroker->angle_in = angle; - stroker->center = *to; - stroker->line_length = line_length; - - Exit: - return error; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Stroker_ConicTo( FT_Stroker stroker, - FT_Vector* control, - FT_Vector* to ) - { - FT_Error error = FT_Err_Ok; - FT_Vector bez_stack[34]; - FT_Vector* arc; - FT_Vector* limit = bez_stack + 30; - FT_Bool first_arc = TRUE; - - - if ( !stroker || !control || !to ) - { - error = FT_THROW( Invalid_Argument ); - goto Exit; - } - - /* if all control points are coincident, this is a no-op; */ - /* avoid creating a spurious corner */ - if ( FT_IS_SMALL( stroker->center.x - control->x ) && - FT_IS_SMALL( stroker->center.y - control->y ) && - FT_IS_SMALL( control->x - to->x ) && - FT_IS_SMALL( control->y - to->y ) ) - { - stroker->center = *to; - goto Exit; - } - - arc = bez_stack; - arc[0] = *to; - arc[1] = *control; - arc[2] = stroker->center; - - while ( arc >= bez_stack ) - { - FT_Angle angle_in, angle_out; - - - /* initialize with current direction */ - angle_in = angle_out = stroker->angle_in; - - if ( arc < limit && - !ft_conic_is_small_enough( arc, &angle_in, &angle_out ) ) - { - if ( stroker->first_point ) - stroker->angle_in = angle_in; - - ft_conic_split( arc ); - arc += 2; - continue; - } - - if ( first_arc ) - { - first_arc = FALSE; - - /* process corner if necessary */ - if ( stroker->first_point ) - error = ft_stroker_subpath_start( stroker, angle_in, 0 ); - else - { - stroker->angle_out = angle_in; - error = ft_stroker_process_corner( stroker, 0 ); - } - } - else if ( ft_pos_abs( FT_Angle_Diff( stroker->angle_in, angle_in ) ) > - FT_SMALL_CONIC_THRESHOLD / 4 ) - { - /* if the deviation from one arc to the next is too great, */ - /* add a round corner */ - stroker->center = arc[2]; - stroker->angle_out = angle_in; - stroker->line_join = FT_STROKER_LINEJOIN_ROUND; - - error = ft_stroker_process_corner( stroker, 0 ); - - /* reinstate line join style */ - stroker->line_join = stroker->line_join_saved; - } - - if ( error ) - goto Exit; - - /* the arc's angle is small enough; we can add it directly to each */ - /* border */ - { - FT_Vector ctrl, end; - FT_Angle theta, phi, rotate, alpha0 = 0; - FT_Fixed length; - FT_StrokeBorder border; - FT_Int side; - - - theta = FT_Angle_Diff( angle_in, angle_out ) / 2; - phi = angle_in + theta; - length = FT_DivFix( stroker->radius, FT_Cos( theta ) ); - - /* compute direction of original arc */ - if ( stroker->handle_wide_strokes ) - alpha0 = FT_Atan2( arc[0].x - arc[2].x, arc[0].y - arc[2].y ); - - for ( border = stroker->borders, side = 0; - side <= 1; - side++, border++ ) - { - rotate = FT_SIDE_TO_ROTATE( side ); - - /* compute control point */ - FT_Vector_From_Polar( &ctrl, length, phi + rotate ); - ctrl.x += arc[1].x; - ctrl.y += arc[1].y; - - /* compute end point */ - FT_Vector_From_Polar( &end, stroker->radius, angle_out + rotate ); - end.x += arc[0].x; - end.y += arc[0].y; - - if ( stroker->handle_wide_strokes ) - { - FT_Vector start; - FT_Angle alpha1; - - - /* determine whether the border radius is greater than the */ - /* radius of curvature of the original arc */ - start = border->points[border->num_points - 1]; - - alpha1 = FT_Atan2( end.x - start.x, end.y - start.y ); - - /* is the direction of the border arc opposite to */ - /* that of the original arc? */ - if ( ft_pos_abs( FT_Angle_Diff( alpha0, alpha1 ) ) > - FT_ANGLE_PI / 2 ) - { - FT_Angle beta, gamma; - FT_Vector bvec, delta; - FT_Fixed blen, sinA, sinB, alen; - - - /* use the sine rule to find the intersection point */ - beta = FT_Atan2( arc[2].x - start.x, arc[2].y - start.y ); - gamma = FT_Atan2( arc[0].x - end.x, arc[0].y - end.y ); - - bvec.x = end.x - start.x; - bvec.y = end.y - start.y; - - blen = FT_Vector_Length( &bvec ); - - sinA = ft_pos_abs( FT_Sin( alpha1 - gamma ) ); - sinB = ft_pos_abs( FT_Sin( beta - gamma ) ); - - alen = FT_MulDiv( blen, sinA, sinB ); - - FT_Vector_From_Polar( &delta, alen, beta ); - delta.x += start.x; - delta.y += start.y; - - /* circumnavigate the negative sector backwards */ - border->movable = FALSE; - error = ft_stroke_border_lineto( border, &delta, FALSE ); - if ( error ) - goto Exit; - error = ft_stroke_border_lineto( border, &end, FALSE ); - if ( error ) - goto Exit; - error = ft_stroke_border_conicto( border, &ctrl, &start ); - if ( error ) - goto Exit; - /* and then move to the endpoint */ - error = ft_stroke_border_lineto( border, &end, FALSE ); - if ( error ) - goto Exit; - - continue; - } - - /* else fall through */ - } - - /* simply add an arc */ - error = ft_stroke_border_conicto( border, &ctrl, &end ); - if ( error ) - goto Exit; - } - } - - arc -= 2; - - stroker->angle_in = angle_out; - } - - stroker->center = *to; - - Exit: - return error; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Stroker_CubicTo( FT_Stroker stroker, - FT_Vector* control1, - FT_Vector* control2, - FT_Vector* to ) - { - FT_Error error = FT_Err_Ok; - FT_Vector bez_stack[37]; - FT_Vector* arc; - FT_Vector* limit = bez_stack + 32; - FT_Bool first_arc = TRUE; - - - if ( !stroker || !control1 || !control2 || !to ) - { - error = FT_THROW( Invalid_Argument ); - goto Exit; - } - - /* if all control points are coincident, this is a no-op; */ - /* avoid creating a spurious corner */ - if ( FT_IS_SMALL( stroker->center.x - control1->x ) && - FT_IS_SMALL( stroker->center.y - control1->y ) && - FT_IS_SMALL( control1->x - control2->x ) && - FT_IS_SMALL( control1->y - control2->y ) && - FT_IS_SMALL( control2->x - to->x ) && - FT_IS_SMALL( control2->y - to->y ) ) - { - stroker->center = *to; - goto Exit; - } - - arc = bez_stack; - arc[0] = *to; - arc[1] = *control2; - arc[2] = *control1; - arc[3] = stroker->center; - - while ( arc >= bez_stack ) - { - FT_Angle angle_in, angle_mid, angle_out; - - - /* initialize with current direction */ - angle_in = angle_out = angle_mid = stroker->angle_in; - - if ( arc < limit && - !ft_cubic_is_small_enough( arc, &angle_in, - &angle_mid, &angle_out ) ) - { - if ( stroker->first_point ) - stroker->angle_in = angle_in; - - ft_cubic_split( arc ); - arc += 3; - continue; - } - - if ( first_arc ) - { - first_arc = FALSE; - - /* process corner if necessary */ - if ( stroker->first_point ) - error = ft_stroker_subpath_start( stroker, angle_in, 0 ); - else - { - stroker->angle_out = angle_in; - error = ft_stroker_process_corner( stroker, 0 ); - } - } - else if ( ft_pos_abs( FT_Angle_Diff( stroker->angle_in, angle_in ) ) > - FT_SMALL_CUBIC_THRESHOLD / 4 ) - { - /* if the deviation from one arc to the next is too great, */ - /* add a round corner */ - stroker->center = arc[3]; - stroker->angle_out = angle_in; - stroker->line_join = FT_STROKER_LINEJOIN_ROUND; - - error = ft_stroker_process_corner( stroker, 0 ); - - /* reinstate line join style */ - stroker->line_join = stroker->line_join_saved; - } - - if ( error ) - goto Exit; - - /* the arc's angle is small enough; we can add it directly to each */ - /* border */ - { - FT_Vector ctrl1, ctrl2, end; - FT_Angle theta1, phi1, theta2, phi2, rotate, alpha0 = 0; - FT_Fixed length1, length2; - FT_StrokeBorder border; - FT_Int side; - - - theta1 = FT_Angle_Diff( angle_in, angle_mid ) / 2; - theta2 = FT_Angle_Diff( angle_mid, angle_out ) / 2; - phi1 = ft_angle_mean( angle_in, angle_mid ); - phi2 = ft_angle_mean( angle_mid, angle_out ); - length1 = FT_DivFix( stroker->radius, FT_Cos( theta1 ) ); - length2 = FT_DivFix( stroker->radius, FT_Cos( theta2 ) ); - - /* compute direction of original arc */ - if ( stroker->handle_wide_strokes ) - alpha0 = FT_Atan2( arc[0].x - arc[3].x, arc[0].y - arc[3].y ); - - for ( border = stroker->borders, side = 0; - side <= 1; - side++, border++ ) - { - rotate = FT_SIDE_TO_ROTATE( side ); - - /* compute control points */ - FT_Vector_From_Polar( &ctrl1, length1, phi1 + rotate ); - ctrl1.x += arc[2].x; - ctrl1.y += arc[2].y; - - FT_Vector_From_Polar( &ctrl2, length2, phi2 + rotate ); - ctrl2.x += arc[1].x; - ctrl2.y += arc[1].y; - - /* compute end point */ - FT_Vector_From_Polar( &end, stroker->radius, angle_out + rotate ); - end.x += arc[0].x; - end.y += arc[0].y; - - if ( stroker->handle_wide_strokes ) - { - FT_Vector start; - FT_Angle alpha1; - - - /* determine whether the border radius is greater than the */ - /* radius of curvature of the original arc */ - start = border->points[border->num_points - 1]; - - alpha1 = FT_Atan2( end.x - start.x, end.y - start.y ); - - /* is the direction of the border arc opposite to */ - /* that of the original arc? */ - if ( ft_pos_abs( FT_Angle_Diff( alpha0, alpha1 ) ) > - FT_ANGLE_PI / 2 ) - { - FT_Angle beta, gamma; - FT_Vector bvec, delta; - FT_Fixed blen, sinA, sinB, alen; - - - /* use the sine rule to find the intersection point */ - beta = FT_Atan2( arc[3].x - start.x, arc[3].y - start.y ); - gamma = FT_Atan2( arc[0].x - end.x, arc[0].y - end.y ); - - bvec.x = end.x - start.x; - bvec.y = end.y - start.y; - - blen = FT_Vector_Length( &bvec ); - - sinA = ft_pos_abs( FT_Sin( alpha1 - gamma ) ); - sinB = ft_pos_abs( FT_Sin( beta - gamma ) ); - - alen = FT_MulDiv( blen, sinA, sinB ); - - FT_Vector_From_Polar( &delta, alen, beta ); - delta.x += start.x; - delta.y += start.y; - - /* circumnavigate the negative sector backwards */ - border->movable = FALSE; - error = ft_stroke_border_lineto( border, &delta, FALSE ); - if ( error ) - goto Exit; - error = ft_stroke_border_lineto( border, &end, FALSE ); - if ( error ) - goto Exit; - error = ft_stroke_border_cubicto( border, - &ctrl2, - &ctrl1, - &start ); - if ( error ) - goto Exit; - /* and then move to the endpoint */ - error = ft_stroke_border_lineto( border, &end, FALSE ); - if ( error ) - goto Exit; - - continue; - } - - /* else fall through */ - } - - /* simply add an arc */ - error = ft_stroke_border_cubicto( border, &ctrl1, &ctrl2, &end ); - if ( error ) - goto Exit; - } - } - - arc -= 3; - - stroker->angle_in = angle_out; - } - - stroker->center = *to; - - Exit: - return error; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Stroker_BeginSubPath( FT_Stroker stroker, - FT_Vector* to, - FT_Bool open ) - { - if ( !stroker || !to ) - return FT_THROW( Invalid_Argument ); - - /* We cannot process the first point, because there is not enough */ - /* information regarding its corner/cap. The latter will be processed */ - /* in the `FT_Stroker_EndSubPath' routine. */ - /* */ - stroker->first_point = TRUE; - stroker->center = *to; - stroker->subpath_open = open; - - /* Determine if we need to check whether the border radius is greater */ - /* than the radius of curvature of a curve, to handle this case */ - /* specially. This is only required if bevel joins or butt caps may */ - /* be created, because round & miter joins and round & square caps */ - /* cover the negative sector created with wide strokes. */ - stroker->handle_wide_strokes = - FT_BOOL( stroker->line_join != FT_STROKER_LINEJOIN_ROUND || - ( stroker->subpath_open && - stroker->line_cap == FT_STROKER_LINECAP_BUTT ) ); - - /* record the subpath start point for each border */ - stroker->subpath_start = *to; - - stroker->angle_in = 0; - - return FT_Err_Ok; - } - - - static FT_Error - ft_stroker_add_reverse_left( FT_Stroker stroker, - FT_Bool open ) - { - FT_StrokeBorder right = stroker->borders + 0; - FT_StrokeBorder left = stroker->borders + 1; - FT_Int new_points; - FT_Error error = FT_Err_Ok; - - - FT_ASSERT( left->start >= 0 ); - - new_points = (FT_Int)left->num_points - left->start; - if ( new_points > 0 ) - { - error = ft_stroke_border_grow( right, (FT_UInt)new_points ); - if ( error ) - goto Exit; - - { - FT_Vector* dst_point = right->points + right->num_points; - FT_Byte* dst_tag = right->tags + right->num_points; - FT_Vector* src_point = left->points + left->num_points - 1; - FT_Byte* src_tag = left->tags + left->num_points - 1; - - - while ( src_point >= left->points + left->start ) - { - *dst_point = *src_point; - *dst_tag = *src_tag; - - if ( open ) - dst_tag[0] &= ~FT_STROKE_TAG_BEGIN_END; - else - { - FT_Byte ttag = - (FT_Byte)( dst_tag[0] & FT_STROKE_TAG_BEGIN_END ); - - - /* switch begin/end tags if necessary */ - if ( ttag == FT_STROKE_TAG_BEGIN || - ttag == FT_STROKE_TAG_END ) - dst_tag[0] ^= FT_STROKE_TAG_BEGIN_END; - } - - src_point--; - src_tag--; - dst_point++; - dst_tag++; - } - } - - left->num_points = (FT_UInt)left->start; - right->num_points += (FT_UInt)new_points; - - right->movable = FALSE; - left->movable = FALSE; - } - - Exit: - return error; - } - - - /* documentation is in ftstroke.h */ - - /* there's a lot of magic in this function! */ - FT_EXPORT_DEF( FT_Error ) - FT_Stroker_EndSubPath( FT_Stroker stroker ) - { - FT_Error error = FT_Err_Ok; - - - if ( !stroker ) - { - error = FT_THROW( Invalid_Argument ); - goto Exit; - } - - if ( stroker->subpath_open ) - { - FT_StrokeBorder right = stroker->borders; - - - /* All right, this is an opened path, we need to add a cap between */ - /* right & left, add the reverse of left, then add a final cap */ - /* between left & right. */ - error = ft_stroker_cap( stroker, stroker->angle_in, 0 ); - if ( error ) - goto Exit; - - /* add reversed points from `left' to `right' */ - error = ft_stroker_add_reverse_left( stroker, TRUE ); - if ( error ) - goto Exit; - - /* now add the final cap */ - stroker->center = stroker->subpath_start; - error = ft_stroker_cap( stroker, - stroker->subpath_angle + FT_ANGLE_PI, 0 ); - if ( error ) - goto Exit; - - /* Now end the right subpath accordingly. The left one is */ - /* rewind and doesn't need further processing. */ - ft_stroke_border_close( right, FALSE ); - } - else - { - FT_Angle turn; - FT_Int inside_side; - - - /* close the path if needed */ - if ( stroker->center.x != stroker->subpath_start.x || - stroker->center.y != stroker->subpath_start.y ) - { - error = FT_Stroker_LineTo( stroker, &stroker->subpath_start ); - if ( error ) - goto Exit; - } - - /* process the corner */ - stroker->angle_out = stroker->subpath_angle; - turn = FT_Angle_Diff( stroker->angle_in, - stroker->angle_out ); - - /* no specific corner processing is required if the turn is 0 */ - if ( turn != 0 ) - { - /* when we turn to the right, the inside side is 0 */ - /* otherwise, the inside side is 1 */ - inside_side = ( turn < 0 ); - - error = ft_stroker_inside( stroker, - inside_side, - stroker->subpath_line_length ); - if ( error ) - goto Exit; - - /* process the outside side */ - error = ft_stroker_outside( stroker, - !inside_side, - stroker->subpath_line_length ); - if ( error ) - goto Exit; - } - - /* then end our two subpaths */ - ft_stroke_border_close( stroker->borders + 0, FALSE ); - ft_stroke_border_close( stroker->borders + 1, TRUE ); - } - - Exit: - return error; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Stroker_GetBorderCounts( FT_Stroker stroker, - FT_StrokerBorder border, - FT_UInt *anum_points, - FT_UInt *anum_contours ) - { - FT_UInt num_points = 0, num_contours = 0; - FT_Error error; - - - if ( !stroker || border > 1 ) - { - error = FT_THROW( Invalid_Argument ); - goto Exit; - } - - error = ft_stroke_border_get_counts( stroker->borders + border, - &num_points, &num_contours ); - Exit: - if ( anum_points ) - *anum_points = num_points; - - if ( anum_contours ) - *anum_contours = num_contours; - - return error; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Stroker_GetCounts( FT_Stroker stroker, - FT_UInt *anum_points, - FT_UInt *anum_contours ) - { - FT_UInt count1, count2, num_points = 0; - FT_UInt count3, count4, num_contours = 0; - FT_Error error; - - - if ( !stroker ) - { - error = FT_THROW( Invalid_Argument ); - goto Exit; - } - - error = ft_stroke_border_get_counts( stroker->borders + 0, - &count1, &count2 ); - if ( error ) - goto Exit; - - error = ft_stroke_border_get_counts( stroker->borders + 1, - &count3, &count4 ); - if ( error ) - goto Exit; - - num_points = count1 + count3; - num_contours = count2 + count4; - - Exit: - if ( anum_points ) - *anum_points = num_points; - - if ( anum_contours ) - *anum_contours = num_contours; - - return error; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( void ) - FT_Stroker_ExportBorder( FT_Stroker stroker, - FT_StrokerBorder border, - FT_Outline* outline ) - { - if ( !stroker || !outline ) - return; - - if ( border == FT_STROKER_BORDER_LEFT || - border == FT_STROKER_BORDER_RIGHT ) - { - FT_StrokeBorder sborder = & stroker->borders[border]; - - - if ( sborder->valid ) - ft_stroke_border_export( sborder, outline ); - } - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( void ) - FT_Stroker_Export( FT_Stroker stroker, - FT_Outline* outline ) - { - FT_Stroker_ExportBorder( stroker, FT_STROKER_BORDER_LEFT, outline ); - FT_Stroker_ExportBorder( stroker, FT_STROKER_BORDER_RIGHT, outline ); - } - - - /* documentation is in ftstroke.h */ - - /* - * The following is very similar to FT_Outline_Decompose, except - * that we do support opened paths, and do not scale the outline. - */ - FT_EXPORT_DEF( FT_Error ) - FT_Stroker_ParseOutline( FT_Stroker stroker, - FT_Outline* outline, - FT_Bool opened ) - { - FT_Vector v_last; - FT_Vector v_control; - FT_Vector v_start; - - FT_Vector* point; - FT_Vector* limit; - char* tags; - - FT_Error error; - - FT_Int n; /* index of contour in outline */ - FT_UInt first; /* index of first point in contour */ - FT_Int tag; /* current point's state */ - - - if ( !outline ) - return FT_THROW( Invalid_Outline ); - - if ( !stroker ) - return FT_THROW( Invalid_Argument ); - - FT_Stroker_Rewind( stroker ); - - first = 0; - - for ( n = 0; n < outline->n_contours; n++ ) - { - FT_UInt last; /* index of last point in contour */ - - - last = (FT_UInt)outline->contours[n]; - limit = outline->points + last; - - /* skip empty points; we don't stroke these */ - if ( last <= first ) - { - first = last + 1; - continue; - } - - v_start = outline->points[first]; - v_last = outline->points[last]; - - v_control = v_start; - - point = outline->points + first; - tags = outline->tags + first; - tag = FT_CURVE_TAG( tags[0] ); - - /* A contour cannot start with a cubic control point! */ - if ( tag == FT_CURVE_TAG_CUBIC ) - goto Invalid_Outline; - - /* check first point to determine origin */ - if ( tag == FT_CURVE_TAG_CONIC ) - { - /* First point is conic control. Yes, this happens. */ - if ( FT_CURVE_TAG( outline->tags[last] ) == FT_CURVE_TAG_ON ) - { - /* start at last point if it is on the curve */ - v_start = v_last; - limit--; - } - else - { - /* if both first and last points are conic, */ - /* start at their middle */ - v_start.x = ( v_start.x + v_last.x ) / 2; - v_start.y = ( v_start.y + v_last.y ) / 2; - } - point--; - tags--; - } - - error = FT_Stroker_BeginSubPath( stroker, &v_start, opened ); - if ( error ) - goto Exit; - - while ( point < limit ) - { - point++; - tags++; - - tag = FT_CURVE_TAG( tags[0] ); - switch ( tag ) - { - case FT_CURVE_TAG_ON: /* emit a single line_to */ - { - FT_Vector vec; - - - vec.x = point->x; - vec.y = point->y; - - error = FT_Stroker_LineTo( stroker, &vec ); - if ( error ) - goto Exit; - continue; - } - - case FT_CURVE_TAG_CONIC: /* consume conic arcs */ - v_control.x = point->x; - v_control.y = point->y; - - Do_Conic: - if ( point < limit ) - { - FT_Vector vec; - FT_Vector v_middle; - - - point++; - tags++; - tag = FT_CURVE_TAG( tags[0] ); - - vec = point[0]; - - if ( tag == FT_CURVE_TAG_ON ) - { - error = FT_Stroker_ConicTo( stroker, &v_control, &vec ); - if ( error ) - goto Exit; - continue; - } - - if ( tag != FT_CURVE_TAG_CONIC ) - goto Invalid_Outline; - - v_middle.x = ( v_control.x + vec.x ) / 2; - v_middle.y = ( v_control.y + vec.y ) / 2; - - error = FT_Stroker_ConicTo( stroker, &v_control, &v_middle ); - if ( error ) - goto Exit; - - v_control = vec; - goto Do_Conic; - } - - error = FT_Stroker_ConicTo( stroker, &v_control, &v_start ); - goto Close; - - default: /* FT_CURVE_TAG_CUBIC */ - { - FT_Vector vec1, vec2; - - - if ( point + 1 > limit || - FT_CURVE_TAG( tags[1] ) != FT_CURVE_TAG_CUBIC ) - goto Invalid_Outline; - - point += 2; - tags += 2; - - vec1 = point[-2]; - vec2 = point[-1]; - - if ( point <= limit ) - { - FT_Vector vec; - - - vec = point[0]; - - error = FT_Stroker_CubicTo( stroker, &vec1, &vec2, &vec ); - if ( error ) - goto Exit; - continue; - } - - error = FT_Stroker_CubicTo( stroker, &vec1, &vec2, &v_start ); - goto Close; - } - } - } - - Close: - if ( error ) - goto Exit; - - /* don't try to end the path if no segments have been generated */ - if ( !stroker->first_point ) - { - error = FT_Stroker_EndSubPath( stroker ); - if ( error ) - goto Exit; - } - - first = last + 1; - } - - return FT_Err_Ok; - - Exit: - return error; - - Invalid_Outline: - return FT_THROW( Invalid_Outline ); - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Glyph_Stroke( FT_Glyph *pglyph, - FT_Stroker stroker, - FT_Bool destroy ) - { - FT_Error error = FT_ERR( Invalid_Argument ); - FT_Glyph glyph = NULL; - - /* for FT_OUTLINE_GLYPH_CLASS_GET (in PIC mode) */ - FT_Library library = stroker->library; - - FT_UNUSED( library ); - - - if ( !pglyph ) - goto Exit; - - glyph = *pglyph; - if ( !glyph || glyph->clazz != FT_OUTLINE_GLYPH_CLASS_GET ) - goto Exit; - - { - FT_Glyph copy; - - - error = FT_Glyph_Copy( glyph, © ); - if ( error ) - goto Exit; - - glyph = copy; - } - - { - FT_OutlineGlyph oglyph = (FT_OutlineGlyph)glyph; - FT_Outline* outline = &oglyph->outline; - FT_UInt num_points, num_contours; - - - error = FT_Stroker_ParseOutline( stroker, outline, FALSE ); - if ( error ) - goto Fail; - - FT_Stroker_GetCounts( stroker, &num_points, &num_contours ); - - FT_Outline_Done( glyph->library, outline ); - - error = FT_Outline_New( glyph->library, - num_points, - (FT_Int)num_contours, - outline ); - if ( error ) - goto Fail; - - outline->n_points = 0; - outline->n_contours = 0; - - FT_Stroker_Export( stroker, outline ); - } - - if ( destroy ) - FT_Done_Glyph( *pglyph ); - - *pglyph = glyph; - goto Exit; - - Fail: - FT_Done_Glyph( glyph ); - glyph = NULL; - - if ( !destroy ) - *pglyph = NULL; - - Exit: - return error; - } - - - /* documentation is in ftstroke.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Glyph_StrokeBorder( FT_Glyph *pglyph, - FT_Stroker stroker, - FT_Bool inside, - FT_Bool destroy ) - { - FT_Error error = FT_ERR( Invalid_Argument ); - FT_Glyph glyph = NULL; - - /* for FT_OUTLINE_GLYPH_CLASS_GET (in PIC mode) */ - FT_Library library = stroker->library; - - FT_UNUSED( library ); - - - if ( !pglyph ) - goto Exit; - - glyph = *pglyph; - if ( !glyph || glyph->clazz != FT_OUTLINE_GLYPH_CLASS_GET ) - goto Exit; - - { - FT_Glyph copy; - - - error = FT_Glyph_Copy( glyph, © ); - if ( error ) - goto Exit; - - glyph = copy; - } - - { - FT_OutlineGlyph oglyph = (FT_OutlineGlyph)glyph; - FT_StrokerBorder border; - FT_Outline* outline = &oglyph->outline; - FT_UInt num_points, num_contours; - - - border = FT_Outline_GetOutsideBorder( outline ); - if ( inside ) - { - if ( border == FT_STROKER_BORDER_LEFT ) - border = FT_STROKER_BORDER_RIGHT; - else - border = FT_STROKER_BORDER_LEFT; - } - - error = FT_Stroker_ParseOutline( stroker, outline, FALSE ); - if ( error ) - goto Fail; - - FT_Stroker_GetBorderCounts( stroker, border, - &num_points, &num_contours ); - - FT_Outline_Done( glyph->library, outline ); - - error = FT_Outline_New( glyph->library, - num_points, - (FT_Int)num_contours, - outline ); - if ( error ) - goto Fail; - - outline->n_points = 0; - outline->n_contours = 0; - - FT_Stroker_ExportBorder( stroker, border, outline ); - } - - if ( destroy ) - FT_Done_Glyph( *pglyph ); - - *pglyph = glyph; - goto Exit; - - Fail: - FT_Done_Glyph( glyph ); - glyph = NULL; - - if ( !destroy ) - *pglyph = NULL; - - Exit: - return error; - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftsynth.c b/third_party/freetype/src/base/ftsynth.c deleted file mode 100644 index cd68533957..0000000000 --- a/third_party/freetype/src/base/ftsynth.c +++ /dev/null @@ -1,163 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftsynth.c */ -/* */ -/* FreeType synthesizing code for emboldening and slanting (body). */ -/* */ -/* Copyright 2000-2015 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_SYNTHESIS_H -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_OBJECTS_H -#include FT_OUTLINE_H -#include FT_BITMAP_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. */ - /* */ -#undef FT_COMPONENT -#define FT_COMPONENT trace_synth - - - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** EXPERIMENTAL OBLIQUING SUPPORT ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - - /* documentation is in ftsynth.h */ - - FT_EXPORT_DEF( void ) - FT_GlyphSlot_Oblique( FT_GlyphSlot slot ) - { - FT_Matrix transform; - FT_Outline* outline; - - - if ( !slot ) - return; - - outline = &slot->outline; - - /* only oblique outline glyphs */ - if ( slot->format != FT_GLYPH_FORMAT_OUTLINE ) - return; - - /* we don't touch the advance width */ - - /* For italic, simply apply a shear transform, with an angle */ - /* of about 12 degrees. */ - - transform.xx = 0x10000L; - transform.yx = 0x00000L; - - transform.xy = 0x0366AL; - transform.yy = 0x10000L; - - FT_Outline_Transform( outline, &transform ); - } - - - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** EXPERIMENTAL EMBOLDENING SUPPORT ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - - - /* documentation is in ftsynth.h */ - - FT_EXPORT_DEF( void ) - FT_GlyphSlot_Embolden( FT_GlyphSlot slot ) - { - FT_Library library; - FT_Face face; - FT_Error error; - FT_Pos xstr, ystr; - - - if ( !slot ) - return; - - library = slot->library; - face = slot->face; - - if ( slot->format != FT_GLYPH_FORMAT_OUTLINE && - slot->format != FT_GLYPH_FORMAT_BITMAP ) - return; - - /* some reasonable strength */ - xstr = FT_MulFix( face->units_per_EM, - face->size->metrics.y_scale ) / 24; - ystr = xstr; - - if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) - FT_Outline_EmboldenXY( &slot->outline, xstr, ystr ); - - else /* slot->format == FT_GLYPH_FORMAT_BITMAP */ - { - /* round to full pixels */ - xstr &= ~63; - if ( xstr == 0 ) - xstr = 1 << 6; - ystr &= ~63; - - /* - * XXX: overflow check for 16-bit system, for compatibility - * with FT_GlyphSlot_Embolden() since freetype-2.1.10. - * unfortunately, this function return no informations - * about the cause of error. - */ - if ( ( ystr >> 6 ) > FT_INT_MAX || ( ystr >> 6 ) < FT_INT_MIN ) - { - FT_TRACE1(( "FT_GlyphSlot_Embolden:" )); - FT_TRACE1(( "too strong embolding parameter ystr=%d\n", ystr )); - return; - } - error = FT_GlyphSlot_Own_Bitmap( slot ); - if ( error ) - return; - - error = FT_Bitmap_Embolden( library, &slot->bitmap, xstr, ystr ); - if ( error ) - return; - } - - if ( slot->advance.x ) - slot->advance.x += xstr; - - if ( slot->advance.y ) - slot->advance.y += ystr; - - slot->metrics.width += xstr; - slot->metrics.height += ystr; - slot->metrics.horiAdvance += xstr; - slot->metrics.vertAdvance += ystr; - slot->metrics.horiBearingY += ystr; - - /* XXX: 16-bit overflow case must be excluded before here */ - if ( slot->format == FT_GLYPH_FORMAT_BITMAP ) - slot->bitmap_top += (FT_Int)( ystr >> 6 ); - } - - -/* END */ diff --git a/third_party/freetype/src/base/ftwinfnt.c b/third_party/freetype/src/base/ftwinfnt.c deleted file mode 100644 index 76a19af983..0000000000 --- a/third_party/freetype/src/base/ftwinfnt.c +++ /dev/null @@ -1,53 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftwinfnt.c */ -/* */ -/* FreeType API for accessing Windows FNT specific info (body). */ -/* */ -/* Copyright 2003-2015 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_DEBUG_H -#include FT_WINFONTS_H -#include FT_INTERNAL_OBJECTS_H -#include FT_SERVICE_WINFNT_H - - - /* documentation is in ftwinfnt.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Get_WinFNT_Header( FT_Face face, - FT_WinFNT_HeaderRec *header ) - { - FT_Service_WinFnt service; - FT_Error error; - - - if ( !face ) - return FT_THROW( Invalid_Face_Handle ); - - if ( !header ) - return FT_THROW( Invalid_Argument ); - - FT_FACE_LOOKUP_SERVICE( face, service, WINFNT ); - - if ( service ) - error = service->get_header( face, header ); - else - error = FT_THROW( Invalid_Argument ); - - return error; - } - - -/* END */ diff --git a/third_party/freetype/src/base/md5.c b/third_party/freetype/src/base/md5.c deleted file mode 100644 index 52d96accd3..0000000000 --- a/third_party/freetype/src/base/md5.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc. - * MD5 Message-Digest Algorithm (RFC 1321). - * - * Homepage: - * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5 - * - * Author: - * Alexander Peslyak, better known as Solar Designer <solar at openwall.com> - * - * This software was written by Alexander Peslyak in 2001. No copyright is - * claimed, and the software is hereby placed in the public domain. - * In case this attempt to disclaim copyright and place the software in the - * public domain is deemed null and void, then the software is - * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the - * general public under the following terms: - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted. - * - * There's ABSOLUTELY NO WARRANTY, express or implied. - * - * (This is a heavily cut-down "BSD license".) - * - * This differs from Colin Plumb's older public domain implementation in that - * no exactly 32-bit integer data type is required (any 32-bit or wider - * unsigned integer data type will do), there's no compile-time endianness - * configuration, and the function prototypes match OpenSSL's. No code from - * Colin Plumb's implementation has been reused; this comment merely compares - * the properties of the two independent implementations. - * - * The primary goals of this implementation are portability and ease of use. - * It is meant to be fast, but not as fast as possible. Some known - * optimizations are not included to reduce source code size and avoid - * compile-time configuration. - */ - -#ifndef HAVE_OPENSSL - -#include <string.h> - -#include "md5.h" - -/* - * The basic MD5 functions. - * - * F and G are optimized compared to their RFC 1321 definitions for - * architectures that lack an AND-NOT instruction, just like in Colin Plumb's - * implementation. - */ -#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) -#define G(x, y, z) ((y) ^ ((z) & ((x) ^ (y)))) -#define H(x, y, z) (((x) ^ (y)) ^ (z)) -#define H2(x, y, z) ((x) ^ ((y) ^ (z))) -#define I(x, y, z) ((y) ^ ((x) | ~(z))) - -/* - * The MD5 transformation for all four rounds. - */ -#define STEP(f, a, b, c, d, x, t, s) \ - (a) += f((b), (c), (d)) + (x) + (t); \ - (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); \ - (a) += (b); - -/* - * SET reads 4 input bytes in little-endian byte order and stores them - * in a properly aligned word in host byte order. - * - * The check for little-endian architectures that tolerate unaligned - * memory accesses is just an optimization. Nothing will break if it - * doesn't work. - */ -#if defined(__i386__) || defined(__x86_64__) || defined(__vax__) -#define SET(n) \ - (*(MD5_u32plus *)&ptr[(n) * 4]) -#define GET(n) \ - SET(n) -#else -#define SET(n) \ - (ctx->block[(n)] = \ - (MD5_u32plus)ptr[(n) * 4] | \ - ((MD5_u32plus)ptr[(n) * 4 + 1] << 8) | \ - ((MD5_u32plus)ptr[(n) * 4 + 2] << 16) | \ - ((MD5_u32plus)ptr[(n) * 4 + 3] << 24)) -#define GET(n) \ - (ctx->block[(n)]) -#endif - -/* - * This processes one or more 64-byte data blocks, but does NOT update - * the bit counters. There are no alignment requirements. - */ -static const void *body(MD5_CTX *ctx, const void *data, unsigned long size) -{ - const unsigned char *ptr; - MD5_u32plus a, b, c, d; - MD5_u32plus saved_a, saved_b, saved_c, saved_d; - - ptr = (const unsigned char *)data; - - a = ctx->a; - b = ctx->b; - c = ctx->c; - d = ctx->d; - - do { - saved_a = a; - saved_b = b; - saved_c = c; - saved_d = d; - -/* Round 1 */ - STEP(F, a, b, c, d, SET(0), 0xd76aa478, 7) - STEP(F, d, a, b, c, SET(1), 0xe8c7b756, 12) - STEP(F, c, d, a, b, SET(2), 0x242070db, 17) - STEP(F, b, c, d, a, SET(3), 0xc1bdceee, 22) - STEP(F, a, b, c, d, SET(4), 0xf57c0faf, 7) - STEP(F, d, a, b, c, SET(5), 0x4787c62a, 12) - STEP(F, c, d, a, b, SET(6), 0xa8304613, 17) - STEP(F, b, c, d, a, SET(7), 0xfd469501, 22) - STEP(F, a, b, c, d, SET(8), 0x698098d8, 7) - STEP(F, d, a, b, c, SET(9), 0x8b44f7af, 12) - STEP(F, c, d, a, b, SET(10), 0xffff5bb1, 17) - STEP(F, b, c, d, a, SET(11), 0x895cd7be, 22) - STEP(F, a, b, c, d, SET(12), 0x6b901122, 7) - STEP(F, d, a, b, c, SET(13), 0xfd987193, 12) - STEP(F, c, d, a, b, SET(14), 0xa679438e, 17) - STEP(F, b, c, d, a, SET(15), 0x49b40821, 22) - -/* Round 2 */ - STEP(G, a, b, c, d, GET(1), 0xf61e2562, 5) - STEP(G, d, a, b, c, GET(6), 0xc040b340, 9) - STEP(G, c, d, a, b, GET(11), 0x265e5a51, 14) - STEP(G, b, c, d, a, GET(0), 0xe9b6c7aa, 20) - STEP(G, a, b, c, d, GET(5), 0xd62f105d, 5) - STEP(G, d, a, b, c, GET(10), 0x02441453, 9) - STEP(G, c, d, a, b, GET(15), 0xd8a1e681, 14) - STEP(G, b, c, d, a, GET(4), 0xe7d3fbc8, 20) - STEP(G, a, b, c, d, GET(9), 0x21e1cde6, 5) - STEP(G, d, a, b, c, GET(14), 0xc33707d6, 9) - STEP(G, c, d, a, b, GET(3), 0xf4d50d87, 14) - STEP(G, b, c, d, a, GET(8), 0x455a14ed, 20) - STEP(G, a, b, c, d, GET(13), 0xa9e3e905, 5) - STEP(G, d, a, b, c, GET(2), 0xfcefa3f8, 9) - STEP(G, c, d, a, b, GET(7), 0x676f02d9, 14) - STEP(G, b, c, d, a, GET(12), 0x8d2a4c8a, 20) - -/* Round 3 */ - STEP(H, a, b, c, d, GET(5), 0xfffa3942, 4) - STEP(H2, d, a, b, c, GET(8), 0x8771f681, 11) - STEP(H, c, d, a, b, GET(11), 0x6d9d6122, 16) - STEP(H2, b, c, d, a, GET(14), 0xfde5380c, 23) - STEP(H, a, b, c, d, GET(1), 0xa4beea44, 4) - STEP(H2, d, a, b, c, GET(4), 0x4bdecfa9, 11) - STEP(H, c, d, a, b, GET(7), 0xf6bb4b60, 16) - STEP(H2, b, c, d, a, GET(10), 0xbebfbc70, 23) - STEP(H, a, b, c, d, GET(13), 0x289b7ec6, 4) - STEP(H2, d, a, b, c, GET(0), 0xeaa127fa, 11) - STEP(H, c, d, a, b, GET(3), 0xd4ef3085, 16) - STEP(H2, b, c, d, a, GET(6), 0x04881d05, 23) - STEP(H, a, b, c, d, GET(9), 0xd9d4d039, 4) - STEP(H2, d, a, b, c, GET(12), 0xe6db99e5, 11) - STEP(H, c, d, a, b, GET(15), 0x1fa27cf8, 16) - STEP(H2, b, c, d, a, GET(2), 0xc4ac5665, 23) - -/* Round 4 */ - STEP(I, a, b, c, d, GET(0), 0xf4292244, 6) - STEP(I, d, a, b, c, GET(7), 0x432aff97, 10) - STEP(I, c, d, a, b, GET(14), 0xab9423a7, 15) - STEP(I, b, c, d, a, GET(5), 0xfc93a039, 21) - STEP(I, a, b, c, d, GET(12), 0x655b59c3, 6) - STEP(I, d, a, b, c, GET(3), 0x8f0ccc92, 10) - STEP(I, c, d, a, b, GET(10), 0xffeff47d, 15) - STEP(I, b, c, d, a, GET(1), 0x85845dd1, 21) - STEP(I, a, b, c, d, GET(8), 0x6fa87e4f, 6) - STEP(I, d, a, b, c, GET(15), 0xfe2ce6e0, 10) - STEP(I, c, d, a, b, GET(6), 0xa3014314, 15) - STEP(I, b, c, d, a, GET(13), 0x4e0811a1, 21) - STEP(I, a, b, c, d, GET(4), 0xf7537e82, 6) - STEP(I, d, a, b, c, GET(11), 0xbd3af235, 10) - STEP(I, c, d, a, b, GET(2), 0x2ad7d2bb, 15) - STEP(I, b, c, d, a, GET(9), 0xeb86d391, 21) - - a += saved_a; - b += saved_b; - c += saved_c; - d += saved_d; - - ptr += 64; - } while (size -= 64); - - ctx->a = a; - ctx->b = b; - ctx->c = c; - ctx->d = d; - - return ptr; -} - -void MD5_Init(MD5_CTX *ctx) -{ - ctx->a = 0x67452301; - ctx->b = 0xefcdab89; - ctx->c = 0x98badcfe; - ctx->d = 0x10325476; - - ctx->lo = 0; - ctx->hi = 0; -} - -void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size) -{ - MD5_u32plus saved_lo; - unsigned long used, available; - - saved_lo = ctx->lo; - if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo) - ctx->hi++; - ctx->hi += size >> 29; - - used = saved_lo & 0x3f; - - if (used) { - available = 64 - used; - - if (size < available) { - memcpy(&ctx->buffer[used], data, size); - return; - } - - memcpy(&ctx->buffer[used], data, available); - data = (const unsigned char *)data + available; - size -= available; - body(ctx, ctx->buffer, 64); - } - - if (size >= 64) { - data = body(ctx, data, size & ~(unsigned long)0x3f); - size &= 0x3f; - } - - memcpy(ctx->buffer, data, size); -} - -void MD5_Final(unsigned char *result, MD5_CTX *ctx) -{ - unsigned long used, available; - - used = ctx->lo & 0x3f; - - ctx->buffer[used++] = 0x80; - - available = 64 - used; - - if (available < 8) { - memset(&ctx->buffer[used], 0, available); - body(ctx, ctx->buffer, 64); - used = 0; - available = 64; - } - - memset(&ctx->buffer[used], 0, available - 8); - - ctx->lo <<= 3; - ctx->buffer[56] = ctx->lo; - ctx->buffer[57] = ctx->lo >> 8; - ctx->buffer[58] = ctx->lo >> 16; - ctx->buffer[59] = ctx->lo >> 24; - ctx->buffer[60] = ctx->hi; - ctx->buffer[61] = ctx->hi >> 8; - ctx->buffer[62] = ctx->hi >> 16; - ctx->buffer[63] = ctx->hi >> 24; - - body(ctx, ctx->buffer, 64); - - result[0] = ctx->a; - result[1] = ctx->a >> 8; - result[2] = ctx->a >> 16; - result[3] = ctx->a >> 24; - result[4] = ctx->b; - result[5] = ctx->b >> 8; - result[6] = ctx->b >> 16; - result[7] = ctx->b >> 24; - result[8] = ctx->c; - result[9] = ctx->c >> 8; - result[10] = ctx->c >> 16; - result[11] = ctx->c >> 24; - result[12] = ctx->d; - result[13] = ctx->d >> 8; - result[14] = ctx->d >> 16; - result[15] = ctx->d >> 24; - - memset(ctx, 0, sizeof(*ctx)); -} - -#endif diff --git a/third_party/freetype/src/base/md5.h b/third_party/freetype/src/base/md5.h deleted file mode 100644 index 2da44bf355..0000000000 --- a/third_party/freetype/src/base/md5.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc. - * MD5 Message-Digest Algorithm (RFC 1321). - * - * Homepage: - * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5 - * - * Author: - * Alexander Peslyak, better known as Solar Designer <solar at openwall.com> - * - * This software was written by Alexander Peslyak in 2001. No copyright is - * claimed, and the software is hereby placed in the public domain. - * In case this attempt to disclaim copyright and place the software in the - * public domain is deemed null and void, then the software is - * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the - * general public under the following terms: - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted. - * - * There's ABSOLUTELY NO WARRANTY, express or implied. - * - * See md5.c for more information. - */ - -#ifdef HAVE_OPENSSL -#include <openssl/md5.h> -#elif !defined(_MD5_H) -#define _MD5_H - -/* Any 32-bit or wider unsigned integer data type will do */ -typedef unsigned int MD5_u32plus; - -typedef struct { - MD5_u32plus lo, hi; - MD5_u32plus a, b, c, d; - unsigned char buffer[64]; - MD5_u32plus block[16]; -} MD5_CTX; - -extern void MD5_Init(MD5_CTX *ctx); -extern void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size); -extern void MD5_Final(unsigned char *result, MD5_CTX *ctx); - -#endif |