core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftsynth.c - Issue 815103002: Update freetype to 2.5.4.

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

diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftsynth.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftsynth.c

deleted file mode 100644

index 2142261bf3cae11c5dfa1282b540beb9648b8bd1..0000000000000000000000000000000000000000

--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/base/ftsynth.c

+++ /dev/null

@@ -1,153 +0,0 @@

-/***************************************************************************/

-/* */

-/* ftsynth.c */

-/* */

-/* FreeType synthesizing code for emboldening and slanting (body). */

-/* */

-/* 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/ftsynth.h"

-#include "../../include/freetype/internal/ftdebug.h"

-#include "../../include/freetype/internal/ftobjs.h"

-#include "../../include/freetype/ftoutln.h"

-#include "../../include/freetype/ftbitmap.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 = &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 = slot->library;

- FT_Face face = slot->face;

- 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 )

- {

- /* ignore error */

- (void)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;

- /* 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 */