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"http://www.w3.org/TR/html4/loose.dtd"> |
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FreeType-2.5.0 API Reference |
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FreeType-2.5.0 API Reference
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PFR Fonts |
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Synopsis
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This section contains the declaration of PFR-specific functions.
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Defined in FT_PFR_H (freetype/ftpfr.h). |
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Return the outline and metrics resolutions of a given PFR face.
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| input | |
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| face | |
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Handle to the input face. It can be a non-PFR face.
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| output | |
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| aoutline_resolution | |
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Outline resolution. This is equivalent to ‘face->units_per_EM’ for non-PFR fonts. Optional (parameter can be NULL).
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| ametrics_resolution | |
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Metrics resolution. This is equivalent to ‘outline_resolution’ for non-PFR fonts. Optional (parameter can be NULL).
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| ametrics_x_scale | |
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A 16.16 fixed-point number used to scale distance expressed in metrics units to device sub-pixels. This is equivalent to ‘face->size->x_scale’, but for metrics only. Optional (parameter can be NULL).
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| ametrics_y_scale | |
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Same as ‘ametrics_x_scale’ but for the vertical direction. optional (parameter can be NULL).
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| return | |
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FreeType error code. 0 means success.
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| note | |
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If the input face is not a PFR, this function will return an error. However, in all cases, it will return valid values.
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Defined in FT_PFR_H (freetype/ftpfr.h). |
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Return the kerning pair corresponding to two glyphs in a PFR face. The distance is expressed in metrics units, unlike the result of FT_Get_Kerning.
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| return | |
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FreeType error code. 0 means success.
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| note | |
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This function always return distances in original PFR metrics units. This is unlike FT_Get_Kerning with the FT_KERNING_UNSCALED mode, which always returns distances converted to outline units.
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You can use the value of the ‘x_scale’ and ‘y_scale’ parameters returned by FT_Get_PFR_Metrics to scale these to device sub-pixels.
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Defined in FT_PFR_H (freetype/ftpfr.h). |
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Return a given glyph advance, expressed in original metrics units, from a PFR font.
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| return | |
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FreeType error code. 0 means success.
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| note | |
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You can use the ‘x_scale’ or ‘y_scale’ results of FT_Get_PFR_Metrics to convert the advance to device sub-pixels (i.e., 1/64th of pixels).
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