60b32e16e7
* include/freetype/config/ftoption.h, src/gzip/ftgzip.c: added
support for the FT_CONFIG_OPTION_SYSTEM_ZLIB option, used to specify
the use of system-wide zlib.
Note that this macro, as well as FT_CONFIG_OPTION_BYTECODE_INTERPRETER,
is not #undef-ed anymore. This allows the build system to define them
depending on the configuration (typically by adding -D flags at
compile time).
* src/sfnt/ttcmap0.c (tt_face_build_cmaps): removed compiler warnings
in optimized mode relative to the "volatile" local variables. This was
not a compiler bug after all, but the fact that a pointer to a volatile
variable is not the same than a volatile pointer to a variable :-)
the fix was to change "volatile FT_Byte* p"
into "FT_Byte* volatile p"
* src/pfr/pfrload.c, src/pfr/pfrdrivr.c, src/gzip/inftrees.c: removed
compiler warnings in optimized modes
* src/gzip/*.[hc]: modified our ZLib copy in order to prevent exporting
any zlib function names outside of the component. This prevents linking
problems on some platforms, when applications want to link FreeType
_and_ ZLib together.
2002-11-05 Juliusz <jch@pps.jussieu.fr>
* src/psaux/psobjs.c (ps_table_add): modified increment loop in
order to implement exponential behaviour
169 lines
4.8 KiB
C
169 lines
4.8 KiB
C
/***************************************************************************/
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/* */
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/* pfrdrivr.c */
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/* */
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/* FreeType PFR driver interface (body). */
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/* */
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/* Copyright 2002 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#include <ft2build.h>
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#include FT_INTERNAL_DEBUG_H
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#include FT_INTERNAL_STREAM_H
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#include FT_INTERNAL_PFR_H
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#include "pfrdrivr.h"
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#include "pfrobjs.h"
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static FT_Error
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pfr_get_kerning( PFR_Face face,
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FT_UInt left,
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FT_UInt right,
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FT_Vector *avector )
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{
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FT_Error error;
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error = pfr_face_get_kerning( face, left, right, avector );
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if ( !error )
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{
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PFR_PhyFont phys = &face->phy_font;
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/* convert from metrics to outline units when necessary */
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if ( phys->outline_resolution != phys->metrics_resolution )
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{
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if ( avector->x != 0 )
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avector->x = FT_MulDiv( avector->x, phys->outline_resolution,
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phys->metrics_resolution );
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if ( avector->y != 0 )
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avector->y = FT_MulDiv( avector->x, phys->outline_resolution,
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phys->metrics_resolution );
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}
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}
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return error;
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}
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static FT_Error
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pfr_get_advance( PFR_Face face,
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FT_UInt gindex,
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FT_Pos *aadvance )
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{
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FT_Error error = FT_Err_Bad_Argument;
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*aadvance = 0;
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if ( face )
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{
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PFR_PhyFont phys = &face->phy_font;
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if ( gindex < phys->num_chars )
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{
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*aadvance = phys->chars[ gindex ].advance;
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error = 0;
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}
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}
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return error;
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}
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static FT_Error
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pfr_get_metrics( PFR_Face face,
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FT_UInt *aoutline_resolution,
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FT_UInt *ametrics_resolution,
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FT_Fixed *ametrics_x_scale,
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FT_Fixed *ametrics_y_scale )
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{
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PFR_PhyFont phys = &face->phy_font;
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FT_Fixed x_scale, y_scale;
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FT_Size size = face->root.size;
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if ( aoutline_resolution )
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*aoutline_resolution = phys->outline_resolution;
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if ( ametrics_resolution )
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*ametrics_resolution = phys->metrics_resolution;
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x_scale = 0x10000L;
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y_scale = 0x10000L;
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if ( size )
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{
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x_scale = FT_DivFix( size->metrics.x_ppem << 6,
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phys->metrics_resolution );
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y_scale = FT_DivFix( size->metrics.y_ppem << 6,
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phys->metrics_resolution );
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}
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if ( ametrics_x_scale )
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*ametrics_x_scale = x_scale;
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if ( ametrics_y_scale )
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*ametrics_y_scale = y_scale;
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return 0;
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}
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FT_CALLBACK_TABLE_DEF
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const FT_PFR_ServiceRec pfr_service_rec =
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{
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(FT_PFR_GetMetricsFunc) pfr_get_metrics,
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(FT_PFR_GetKerningFunc) pfr_get_kerning,
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(FT_PFR_GetAdvanceFunc) pfr_get_advance
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};
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FT_CALLBACK_TABLE_DEF
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const FT_Driver_ClassRec pfr_driver_class =
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{
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{
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ft_module_font_driver |
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ft_module_driver_scalable,
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sizeof( FT_DriverRec ),
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"pfr",
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0x10000L,
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0x20000L,
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(FT_PFR_Service) &pfr_service_rec, /* format interface */
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(FT_Module_Constructor)NULL,
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(FT_Module_Destructor) NULL,
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(FT_Module_Requester) NULL
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},
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sizeof( PFR_FaceRec ),
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sizeof( PFR_SizeRec ),
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sizeof( PFR_SlotRec ),
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(FT_Face_InitFunc) pfr_face_init,
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(FT_Face_DoneFunc) pfr_face_done,
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(FT_Size_InitFunc) NULL,
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(FT_Size_DoneFunc) NULL,
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(FT_Slot_InitFunc) pfr_slot_init,
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(FT_Slot_DoneFunc) pfr_slot_done,
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(FT_Size_ResetPointsFunc) NULL,
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(FT_Size_ResetPixelsFunc) NULL,
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(FT_Slot_LoadFunc) pfr_slot_load,
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(FT_Face_GetKerningFunc) pfr_get_kerning,
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(FT_Face_AttachFunc) 0,
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(FT_Face_GetAdvancesFunc) 0
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};
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/* END */
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