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Red Hat Bugzilla – Attachment 314950 Details for
Bug 243636
Can't set gamma per-output in xorg.conf
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gcc -std=c99 -o xrgamma xrgamma.c -lXrandr -lXext -lX11
xrgamma.c (text/plain), 759 bytes, created by
Adam Jackson
on 2008-08-25 22:06:06 UTC
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Description:
gcc -std=c99 -o xrgamma xrgamma.c -lXrandr -lXext -lX11
Filename:
MIME Type:
Creator:
Adam Jackson
Created:
2008-08-25 22:06:06 UTC
Size:
759 bytes
patch
obsolete
>#include <stdio.h> >#include <X11/X.h> >#include <X11/Xmd.h> >#include <X11/Xlib.h> >#include <X11/Xproto.h> >#include <X11/extensions/Xrandr.h> > >int main(void) >{ > Display *dpy = XOpenDisplay(NULL); > XRRScreenResources *rr = XRRGetScreenResources(dpy, RootWindow(dpy, 0)); > > for (int i = 0; i < rr->ncrtc; i++) { > XRRCrtcGamma *gamma = XRRGetCrtcGamma(dpy, rr->crtcs[i]); > XRRCrtcGamma *g = XRRAllocGamma(gamma->size); > > for (int j = 0; j < 65535; j++) { > for (int k = 0; k < g->size; k++) > g->red[k] = g->green[k] = g->blue[k] = (j / (g->size - k)); > XRRSetCrtcGamma(dpy, rr->crtcs[i], g); > } > > XRRSetCrtcGamma(dpy, rr->crtcs[i], gamma); > XRRFreeGamma(gamma); > XRRFreeGamma(g); > } > > XSync(dpy, 1); > XCloseDisplay(dpy); > > return 0; >}
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