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authorSven Gothel <[email protected]>2023-02-10 14:20:35 +0100
committerSven Gothel <[email protected]>2023-02-10 14:20:35 +0100
commitfeb8de27f848b5213423389cf0e19cbd88095682 (patch)
treeec7051b6fec0a78a4f78b1958a3f7999a063c1d9 /.gitmodules
parentbc951476c67282d9676f33ee25fb0f697a4dbe45 (diff)
Font/Graph, {Font, Glyph}/Typecast: Add kerning and expose values in original font-units (FU) to have them scaled later ( fu * pixelScale / unitsPerEM )
Scaling from font-units (funits, or FU) is now performed by the renderer itself, i.e. applying the scale-factor 'fontPixelSize / font.getMetrics().getUnitsPerEM()' to the PMV matrix to render the whole graph GLRegion. This finally provides proper device and resolution independent font utilization. Further, preliminary kerning has been added. +++ Also ... TypecastFont: - getGlyphID(..) getGlyph(..) enforce symbol mapping to Glyph.ID_SPACE Glyph.ID_CR, as some fonts ave an erroneous cmap (FreeSerif-Regular) - add getKerning(..) TODO: Add binary search - Set TypecastFont.USE_PRESCALED_ADVANCE := false, i.e. dropping all prescaled pixel-sized advance values mapped to font pixel-size as we utilize font-units only for later uniform scaling. - Drop virtual getPixelSize() and add static FontScale.toPixels(..) - Add fullString() for debugging purposed, including some font tables
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