• src/conio/hqx.c hqx.h scale.c scale.h xbr.c xbr.hsrc/conio/GNUmakefile

    From Deuc¿@VERT to Git commit to main/sbbs/master on Wed May 12 22:55:42 2021
    https://gitlab.synchro.net/main/sbbs/-/commit/cae45cbd6db50f716411877f
    Added Files:
    src/conio/hqx.c hqx.h scale.c scale.h xbr.c xbr.h
    Modified Files:
    src/conio/GNUmakefile objects.mk x_events.c
    Log Message:
    Add smooth scaling to X11 output

    Uses "pointyscale" for x3 and x5
    Uses xBR from FFmpeg for x2 and x4
    HQx is also included, but unused as it's too slow at x4.
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