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<p>Note that only a few font formats provide vertical
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metrics. You can test whether a given face object
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contains them by using the
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- macro <a href="">"../reference/ft2-base_interface.html#ft_has_vertical"><code>FT_HAS_VERTICAL</code></a>,
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+ macro <a href="">"../reference/ft2-font_testing_macros.html#ft_has_vertical"><code>FT_HAS_VERTICAL</code></a>,
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which returns true if appropriate.</p>
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<p>Individual glyph metrics can be accessed by first loading
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the glyph in a face's glyph slot, then accessing them
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through the <code>face->glyph->metrics</code>
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structure, whose type
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- is <a href="">"../reference/ft2-base_interface.html#ft_glyph_metrics"><code>FT_Glyph_Metrics</code></a>.
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+ is <a href="">"../reference/ft2-glyph_retrieval.html#ft_glyph_metrics"><code>FT_Glyph_Metrics</code></a>.
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We will discuss this in more detail below; for now, we
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only note that it contains the following fields.</p>
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<dd>This is the height of the glyph image's bounding box.
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It is independent of the layout direction. Be careful
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not to confuse it with the ‘height’ field in
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- the <a href="">"../reference/ft2-base_interface.html#ft_size_metrics">
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+ the <a href="">"../reference/ft2-sizing_and_scaling.html#ft_size_metrics">
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<code>FT_Size_Metrics</code></a> structure.</dd>
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<dt>horiBearingX</dt>
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<p>The glyph image that is loaded in a glyph slot can be
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converted into a bitmap, either by
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using <code>FT_LOAD_RENDER</code> when loading it, or by
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- calling <a href="">"../reference/ft2-base_interface.html#ft_render_glyph"><code>FT_Render_Glyph</code></a>.
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+ calling <a href="">"../reference/ft2-glyph_retrieval.html#ft_render_glyph"><code>FT_Render_Glyph</code></a>.
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Each time you load a new glyph image, the previous one is
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erased from the glyph slot.</p>
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of the global metrics described above, to be directly
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accessed through
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the <code>face->size->metrics</code> structure (of
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- type <a href="">"../reference/ft2-base_interface.html#ft_size_metrics">
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+ type <a href="">"../reference/ft2-sizing_and_scaling.html#ft_size_metrics">
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<code>FT_Size_Metrics</code></a>). <em>No grid-fitting
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is performed for those values</em>. They are also
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completely independent of any hinting process. In other
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<p>Be careful not to confuse it with the
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‘height’ field in
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- the <a href="">"../reference/ft2-base_interface.html#ft_glyph_metrics"><code>FT_Glyph_Metrics</code></a>
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+ the <a href="">"../reference/ft2-glyph_retrieval.html#ft_glyph_metrics"><code>FT_Glyph_Metrics</code></a>
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structure.</p>
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</dd>
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<p>FreeType 2 allows you to deal with this, by
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providing
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- the <a href="">"../reference/ft2-base_interface.html#ft_attach_file"><code>FT_Attach_File</code></a>
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- and <a href="">"../reference/ft2-base_interface.html#ft_attach_stream"><code>FT_Attach_Stream</code></A>
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+ the <a href="">"../reference/ft2-face_creation.html#ft_attach_file"><code>FT_Attach_File</code></a>
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+ and <a href="">"../reference/ft2-face_creation.html#ft_attach_stream"><code>FT_Attach_Stream</code></A>
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APIs. Both functions are used to load additional metrics
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into a face object by reading them from an additional
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format-specific file. Here an example, opening a
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<p>FreeType 2 allows you to retrieve the kerning
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information between two glyphs through
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- the <a href="">"../reference/ft2-base_interface.html#ft_get_kerning"><code>FT_Get_Kerning</code></a>
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+ the <a href="">"../reference/ft2-glyph_retrieval.html#ft_get_kerning"><code>FT_Get_Kerning</code></a>
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function.</p>
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<pre>
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if appropriate.</p>
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<p>When you call the
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- function <a href="">"../reference/ft2-base_interface.html#ft_set_pixel_sizes"><code>FT_Set_Pixel_Sizes</code></a>,
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+ function <a href="">"../reference/ft2-sizing_and_scaling.html#ft_set_pixel_sizes"><code>FT_Set_Pixel_Sizes</code></a>,
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you are specifying integer values
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of <code>pixel_size_x</code> and
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<code>pixel_size_y</code> FreeType shall use. The library
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<code>y_scale</code>.</p>
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<p>When you call the
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- function <a href="">"../reference/ft2-base_interface.html#ft_set_char_size"><code>FT_Set_Char_Size</code></a>,
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+ function <a href="">"../reference/ft2-sizing_and_scaling.html#ft_set_char_size"><code>FT_Set_Char_Size</code></a>,
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you are specifying the character size in
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physical <em>points</em>, which is used, along with the
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device's resolutions, to compute the character pixel size
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