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Unified Diff: core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftadvanc.c

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Adjust GYP and GN Created 6 years ago
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Index: core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftadvanc.c
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftadvanc.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftadvanc.c
deleted file mode 100644
index 652e51b1ed94a48c10b68cacb47d5a439b2d680f..0000000000000000000000000000000000000000
--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftadvanc.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/***************************************************************************/
-/* */
-/* ftadvanc.c */
-/* */
-/* Quick computation of advance widths (body). */
-/* */
-/* Copyright 2008, 2009, 2011, 2013 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 "../../include/ft2build.h"
-#include "../../include/freetype/internal/ftdebug.h"
-
-#include "../../include/freetype/ftadvanc.h"
-#include "../../include/freetype/internal/ftobjs.h"
-
-
- static FT_Error
- _ft_face_scale_advances( FT_Face face,
- FT_Fixed* advances,
- FT_UInt count,
- FT_Int32 flags )
- {
- FT_Fixed scale;
- FT_UInt nn;
-
-
- if ( flags & FT_LOAD_NO_SCALE )
- return FT_Err_Ok;
-
- if ( face->size == NULL )
- return FT_THROW( Invalid_Size_Handle );
-
- if ( flags & FT_LOAD_VERTICAL_LAYOUT )
- scale = face->size->metrics.y_scale;
- else
- scale = face->size->metrics.x_scale;
-
- /* this must be the same scaling as to get linear{Hori,Vert}Advance */
- /* (see `FT_Load_Glyph' implementation in src/base/ftobjs.c) */
-
- for ( nn = 0; nn < count; nn++ )
- advances[nn] = FT_MulDiv( advances[nn], scale, 64 );
-
- return FT_Err_Ok;
- }
-
-
- /* at the moment, we can perform fast advance retrieval only in */
- /* the following cases: */
- /* */
- /* - unscaled load */
- /* - unhinted load */
- /* - light-hinted load */
-
-#define LOAD_ADVANCE_FAST_CHECK( flags ) \
- ( flags & ( FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING ) || \
- FT_LOAD_TARGET_MODE( flags ) == FT_RENDER_MODE_LIGHT )
-
-
- /* documentation is in ftadvanc.h */
-
- FT_EXPORT_DEF( FT_Error )
- FT_Get_Advance( FT_Face face,
- FT_UInt gindex,
- FT_Int32 flags,
- FT_Fixed *padvance )
- {
- FT_Face_GetAdvancesFunc func;
-
-
- if ( !face )
- return FT_THROW( Invalid_Face_Handle );
-
- if ( gindex >= (FT_UInt)face->num_glyphs )
- return FT_THROW( Invalid_Glyph_Index );
-
- func = face->driver->clazz->get_advances;
- if ( func && LOAD_ADVANCE_FAST_CHECK( flags ) )
- {
- FT_Error error;
-
-
- error = func( face, gindex, 1, flags, padvance );
- if ( !error )
- return _ft_face_scale_advances( face, padvance, 1, flags );
-
- if ( FT_ERR_NEQ( error, Unimplemented_Feature ) )
- return error;
- }
-
- return FT_Get_Advances( face, gindex, 1, flags, padvance );
- }
-
-
- /* documentation is in ftadvanc.h */
-
- FT_EXPORT_DEF( FT_Error )
- FT_Get_Advances( FT_Face face,
- FT_UInt start,
- FT_UInt count,
- FT_Int32 flags,
- FT_Fixed *padvances )
- {
- FT_Face_GetAdvancesFunc func;
- FT_UInt num, end, nn;
- FT_Error error = FT_Err_Ok;
-
-
- if ( !face )
- return FT_THROW( Invalid_Face_Handle );
-
- num = (FT_UInt)face->num_glyphs;
- end = start + count;
- if ( start >= num || end < start || end > num )
- return FT_THROW( Invalid_Glyph_Index );
-
- if ( count == 0 )
- return FT_Err_Ok;
-
- func = face->driver->clazz->get_advances;
- if ( func && LOAD_ADVANCE_FAST_CHECK( flags ) )
- {
- error = func( face, start, count, flags, padvances );
- if ( !error )
- return _ft_face_scale_advances( face, padvances, count, flags );
-
- if ( FT_ERR_NEQ( error, Unimplemented_Feature ) )
- return error;
- }
-
- error = FT_Err_Ok;
-
- if ( flags & FT_ADVANCE_FLAG_FAST_ONLY )
- return FT_THROW( Unimplemented_Feature );
-
- flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY;
- for ( nn = 0; nn < count; nn++ )
- {
- error = FT_Load_Glyph( face, start + nn, flags );
- if ( error )
- break;
-
- /* scale from 26.6 to 16.16 */
- padvances[nn] = ( flags & FT_LOAD_VERTICAL_LAYOUT )
- ? face->glyph->advance.y << 10
- : face->glyph->advance.x << 10;
- }
-
- return error;
- }
-
-
-/* END */
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