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2 Commits

Author SHA1 Message Date
Norman Feske
8bcf540915 os: add Text_painter::Font::height method 
Issue #2716
 2018-04-19 13:38:33 +02:00
Norman Feske
3778558608 os: reworked nitpicker_gfx/text_painter.h 
This patch improves the `Text_painter` utility that is commonly used by
native Genode components to render text:

- Support for subpixel positioning
- Generic interface for accessing font data
- Basic UTF-8 support

Since the change decouples the font format from the 'Text_painter' and
changes the API to use the sub-pixel accurate 'Text_painter::Position'
type, all users of the utility require an adaptation.

Fixes #2716
 2018-04-10 11:09:18 +02:00