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Diffstat (limited to 'src/base/ftsynth.c')
| -rw-r--r-- | src/base/ftsynth.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/src/base/ftsynth.c b/src/base/ftsynth.c deleted file mode 100644 index ff88ce9..0000000 --- a/src/base/ftsynth.c +++ /dev/null @@ -1,159 +0,0 @@ -/***************************************************************************/ -/* */ -/* ftsynth.c */ -/* */ -/* FreeType synthesizing code for emboldening and slanting (body). */ -/* */ -/* Copyright 2000-2001, 2002, 2003, 2004, 2005, 2006 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_OBJECTS_H -#include FT_OUTLINE_H -#include FT_BITMAP_H - - - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** EXPERIMENTAL OBLIQUING SUPPORT ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - - /* documentation is in ftsynth.h */ - - FT_EXPORT_DEF( void ) - FT_GlyphSlot_Oblique( FT_GlyphSlot slot ) - { - FT_Matrix transform; - FT_Outline* 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 = 0x06000L; - transform.yy = 0x10000L; - - FT_Outline_Transform( outline, &transform ); - } - - - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** EXPERIMENTAL EMBOLDENING/OUTLINING SUPPORT ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - - - FT_EXPORT_DEF( FT_Error ) - FT_GlyphSlot_Own_Bitmap( FT_GlyphSlot slot ) - { - if ( slot && slot->format == FT_GLYPH_FORMAT_BITMAP && - !( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) ) - { - FT_Bitmap bitmap; - FT_Error error; - - - FT_Bitmap_New( &bitmap ); - error = FT_Bitmap_Copy( slot->library, &slot->bitmap, &bitmap ); - if ( error ) - return error; - - slot->bitmap = bitmap; - slot->internal->flags |= FT_GLYPH_OWN_BITMAP; - } - - return FT_Err_Ok; - } - - - /* documentation is in ftsynth.h */ - - FT_EXPORT_DEF( void ) - FT_GlyphSlot_Embolden( FT_GlyphSlot slot ) - { - FT_Library library = slot->library; - FT_Face face = FT_SLOT_FACE( slot ); - FT_Error error; - FT_Pos xstr, ystr; - - - 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 ) - { - error = FT_Outline_Embolden( &slot->outline, xstr ); - /* ignore error */ - - /* this is more than enough for most glyphs; if you need accurate */ - /* values, you have to call FT_Outline_Get_CBox */ - xstr = xstr * 2; - ystr = xstr; - } - else if ( slot->format == FT_GLYPH_FORMAT_BITMAP ) - { - xstr = FT_PIX_FLOOR( xstr ); - if ( xstr == 0 ) - xstr = 1 << 6; - ystr = FT_PIX_FLOOR( ystr ); - - 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.horiBearingY += ystr; - slot->metrics.horiAdvance += xstr; - slot->metrics.vertBearingX -= xstr / 2; - slot->metrics.vertBearingY += ystr; - slot->metrics.vertAdvance += ystr; - - if ( slot->format == FT_GLYPH_FORMAT_BITMAP ) - slot->bitmap_top += ystr >> 6; - } - - -/* END */ |