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2018-11-16libdraw: redo default font construction to be hidpi-safeRuss Cox1-5/+26
If $font is not set, the default font is constructed from font data linked into every libdraw binary. That process was different from the usual openfont code, and so it was not hidpi-aware, resulting in very tiny fonts out of the box on hidpi systems, until users set $font. Fix this by using openfont to construct the default font, by recognizing the name *default* when looking for font and subfont file contents. Then all the hidpi scaling applies automatically. As a side effect, the concept of a 'default subfont' is gone, as are display->defaultsubfont, getdefont, and memgetdefont.
2015-02-17libdraw: autoscale fonts when moving between low and high dpi screensRuss Cox1-8/+11
Change-Id: I6093955b222db89dfe437fb723593b173d888d01 Reviewed-on: https://plan9port-review.googlesource.com/1170 Reviewed-by: Russ Cox <rsc@swtch.com>
2015-02-17libdraw: add 2*font syntax for scaled fontsRuss Cox1-1/+59
An experiment. Change-Id: I40660a211b8372701597d80f7e86917e94cccbaa Reviewed-on: https://plan9port-review.googlesource.com/1161 Reviewed-by: Russ Cox <rsc@swtch.com>
2009-07-08mergeRuss Cox1-1/+5
2004-04-25make it possible to access fonts without a display.rsc1-3/+3
2003-09-30Initial revisionrsc1-0/+36