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[Git][freetype/freetype][master] [svg] Set linear advances when loading

From: Ben Wagner (@bungeman)
Subject: [Git][freetype/freetype][master] [svg] Set linear advances when loading SVG glyphs
Date: Tue, 07 Jun 2022 12:58:49 +0000

Ben Wagner pushed to branch master at FreeType / FreeType

Commits:

  • b11074cf
    by Ben Wagner at 2022-06-06T16:55:17-04:00 
    [svg] Set linear advances when loading SVG glyphs

* include/freetype/freetype.h (FT_GlyphSlotRec_): update doc
* src/cff/cffgload.c (cff_slot_load): do it
* src/truetype/ttgload.c (TT_Load_Glyph): do it

Fixes: #1156

3 changed files:

Changes:

  • include/freetype/freetype.h
    ... ... @@ -1892,13 +1892,13 @@ FT_BEGIN_HEADER
    1892 1892 
        *     The advance width of the unhinted glyph.  Its value is expressed in
    1893 1893 
        *     16.16 fractional pixels, unless @FT_LOAD_LINEAR_DESIGN is set when
    1894 1894 
        *     loading the glyph.  This field can be important to perform correct
    1895 
    -   *     WYSIWYG layout.  Only relevant for outline glyphs.
    1895 
    +   *     WYSIWYG layout.  Only relevant for scalable glyphs.
    1896 1896 
        *
    1897 1897 
        *   linearVertAdvance ::
    1898 1898 
        *     The advance height of the unhinted glyph.  Its value is expressed in
    1899 1899 
        *     16.16 fractional pixels, unless @FT_LOAD_LINEAR_DESIGN is set when
    1900 1900 
        *     loading the glyph.  This field can be important to perform correct
    1901 
    -   *     WYSIWYG layout.  Only relevant for outline glyphs.
    1901 
    +   *     WYSIWYG layout.  Only relevant for scalable glyphs.
    1902 1902 
        *
    1903 1903 
        *   advance ::
    1904 1904 
        *     This shorthand is, depending on @FT_LOAD_IGNORE_TRANSFORM, the

  • src/cff/cffgload.c
    ... ... @@ -404,6 +404,9 @@
    404 404 
                                &dummy,
    405 405 
                                &advanceY );
    406 406
    407 
    +        glyph->root.linearHoriAdvance = advanceX;
    408 
    +        glyph->root.linearVertAdvance = advanceY;
    409 
    +
    407 410 
             advanceX =
    408 411 
               (FT_UShort)FT_MulDiv( advanceX,
    409 412 
                                     glyph->root.face->size->metrics.x_ppem,

  • src/truetype/ttgload.c
    ... ... @@ -3005,6 +3005,9 @@
    3005 3005 
                                &topBearing,
    3006 3006 
                                &advanceY );
    3007 3007
    3008 
    +        glyph->linearHoriAdvance = advanceX;
    3009 
    +        glyph->linearVertAdvance = advanceY;
    3010 
    +
    3008 3011 
             advanceX = (FT_UShort)FT_MulDiv( advanceX,
    3009 3012 
                                              glyph->face->size->metrics.x_ppem,
    3010 3013 
                                              glyph->face->units_per_EM );

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