ltk

Socket-based GUI for X11 (WIP)
git clone git://lumidify.org/ltk.git (fast, but not encrypted)
git clone https://lumidify.org/git/ltk.git (encrypted, but very slow)
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color_xlib.c (1812B)


      1 /*
      2  * Copyright (c) 2021, 2022 lumidify <nobody@lumidify.org>
      3  *
      4  * Permission to use, copy, modify, and/or distribute this software for any
      5  * purpose with or without fee is hereby granted, provided that the above
      6  * copyright notice and this permission notice appear in all copies.
      7  *
      8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     15  */
     16 
     17 #include <stdarg.h>
     18 #include "util.h"
     19 #include "color.h"
     20 #include "compat.h"
     21 #include "xlib_shared.h"
     22 
     23 /* FIXME: avoid initializing part of the struct and then error returning */
     24 /* FIXME: better error codes */
     25 /* FIXME: I think xcolor is unneeded when xft is enabled */
     26 int
     27 ltk_color_create(ltk_renderdata *renderdata, const char *hex, ltk_color *col) {
     28 	if (!XParseColor(renderdata->dpy, renderdata->cm, hex, &col->xcolor))
     29 		return 1;
     30 	if (!XAllocColor(renderdata->dpy, renderdata->cm, &col->xcolor))
     31 		return 1;
     32 	/* FIXME: replace with XftColorAllocValue */
     33 	#if USE_XFT == 1
     34 	if (!XftColorAllocName(renderdata->dpy, renderdata->vis, renderdata->cm, hex, &col->xftcolor))
     35 		return 1;
     36 	#endif
     37 	return 0;
     38 }
     39 
     40 void
     41 ltk_color_destroy(ltk_renderdata *renderdata, ltk_color *col) {
     42 	/* FIXME: what should the 'planes' argument be? */
     43 	XFreeColors(renderdata->dpy, renderdata->cm, &col->xcolor.pixel, 1, 0);
     44 	#if USE_XFT == 1
     45 	XftColorFree(renderdata->dpy, renderdata->vis, renderdata->cm, &col->xftcolor);
     46 	#endif
     47 }