diff options
Diffstat (limited to 'src/freetype2/base/ftglyph.c')
| -rw-r--r-- | src/freetype2/base/ftglyph.c | 95 |
1 files changed, 18 insertions, 77 deletions
diff --git a/src/freetype2/base/ftglyph.c b/src/freetype2/base/ftglyph.c index 969c5db..ef61d45 100644 --- a/src/freetype2/base/ftglyph.c +++ b/src/freetype2/base/ftglyph.c @@ -4,7 +4,7 @@ /* */ /* FreeType convenience functions to handle glyphs (body). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2007 by */ +/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2007, 2008 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -34,6 +34,7 @@ #include FT_BITMAP_H #include FT_INTERNAL_OBJECTS_H +#include "basepic.h" /*************************************************************************/ /* */ @@ -48,68 +49,6 @@ /*************************************************************************/ /*************************************************************************/ /**** ****/ - /**** Convenience functions ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - - - /* documentation is in ftglyph.h */ - - FT_EXPORT_DEF( void ) - FT_Matrix_Multiply( const FT_Matrix* a, - FT_Matrix *b ) - { - FT_Fixed xx, xy, yx, yy; - - - if ( !a || !b ) - return; - - xx = FT_MulFix( a->xx, b->xx ) + FT_MulFix( a->xy, b->yx ); - xy = FT_MulFix( a->xx, b->xy ) + FT_MulFix( a->xy, b->yy ); - yx = FT_MulFix( a->yx, b->xx ) + FT_MulFix( a->yy, b->yx ); - yy = FT_MulFix( a->yx, b->xy ) + FT_MulFix( a->yy, b->yy ); - - b->xx = xx; b->xy = xy; - b->yx = yx; b->yy = yy; - } - - - /* documentation is in ftglyph.h */ - - FT_EXPORT_DEF( FT_Error ) - FT_Matrix_Invert( FT_Matrix* matrix ) - { - FT_Pos delta, xx, yy; - - - if ( !matrix ) - return FT_Err_Invalid_Argument; - - /* compute discriminant */ - delta = FT_MulFix( matrix->xx, matrix->yy ) - - FT_MulFix( matrix->xy, matrix->yx ); - - if ( !delta ) - return FT_Err_Invalid_Argument; /* matrix can't be inverted */ - - matrix->xy = - FT_DivFix( matrix->xy, delta ); - matrix->yx = - FT_DivFix( matrix->yx, delta ); - - xx = matrix->xx; - yy = matrix->yy; - - matrix->xx = FT_DivFix( yy, delta ); - matrix->yy = FT_DivFix( xx, delta ); - - return FT_Err_Ok; - } - - - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ /**** FT_BitmapGlyph support ****/ /**** ****/ /*************************************************************************/ @@ -191,9 +130,7 @@ } - FT_CALLBACK_TABLE_DEF - const FT_Glyph_Class ft_bitmap_glyph_class = - { + FT_DEFINE_GLYPH(ft_bitmap_glyph_class, sizeof ( FT_BitmapGlyphRec ), FT_GLYPH_FORMAT_BITMAP, @@ -203,7 +140,7 @@ 0, /* FT_Glyph_TransformFunc */ ft_bitmap_glyph_bbox, 0 /* FT_Glyph_PrepareFunc */ - }; + ) /*************************************************************************/ @@ -317,9 +254,7 @@ } - FT_CALLBACK_TABLE_DEF - const FT_Glyph_Class ft_outline_glyph_class = - { + FT_DEFINE_GLYPH( ft_outline_glyph_class, sizeof ( FT_OutlineGlyphRec ), FT_GLYPH_FORMAT_OUTLINE, @@ -329,7 +264,7 @@ ft_outline_glyph_transform, ft_outline_glyph_bbox, ft_outline_glyph_prepare - }; + ) /*************************************************************************/ @@ -376,10 +311,16 @@ const FT_Glyph_Class* clazz; + /* check arguments */ + if ( !target ) + { + error = FT_Err_Invalid_Argument; + goto Exit; + } + *target = 0; - /* check arguments */ - if ( !target || !source || !source->clazz ) + if ( !source || !source->clazz ) { error = FT_Err_Invalid_Argument; goto Exit; @@ -429,11 +370,11 @@ /* if it is a bitmap, that's easy :-) */ if ( slot->format == FT_GLYPH_FORMAT_BITMAP ) - clazz = &ft_bitmap_glyph_class; + clazz = FT_BITMAP_GLYPH_CLASS_GET; /* it it is an outline too */ else if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) - clazz = &ft_outline_glyph_class; + clazz = FT_OUTLINE_GLYPH_CLASS_GET; else { @@ -589,7 +530,7 @@ clazz = glyph->clazz; /* when called with a bitmap glyph, do nothing and return successfully */ - if ( clazz == &ft_bitmap_glyph_class ) + if ( clazz == FT_BITMAP_GLYPH_CLASS_GET ) goto Exit; if ( !clazz || !clazz->glyph_prepare ) @@ -602,7 +543,7 @@ dummy.format = clazz->glyph_format; /* create result bitmap glyph */ - error = ft_new_glyph( glyph->library, &ft_bitmap_glyph_class, + error = ft_new_glyph( glyph->library, FT_BITMAP_GLYPH_CLASS_GET, (FT_Glyph*)(void*)&bitmap ); if ( error ) goto Exit; |