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       tcolor.c - ltk - Socket-based GUI for X11 (WIP)
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       ---
       tcolor.c (1745B)
       ---
            1 /*
            2  * Copyright (c) 2021 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 <X11/Xlib.h>
           19 #include <X11/Xutil.h>
           20 
           21 #include "util.h"
           22 #include "color.h"
           23 #include "compat.h"
           24 
           25 /* FIXME: avoid initializing part of the struct and then error returning */
           26 /* FIXME: better error codes */
           27 /* FIXME: I think xcolor is unneeded when xft is enabled */
           28 int
           29 ltk_color_create(Display *dpy, Visual *vis, Colormap cm, const char *hex, ltk_color *col) {
           30         if (!XParseColor(dpy, cm, hex, &col->xcolor))
           31                 return 1;
           32         if (!XAllocColor(dpy, cm, &col->xcolor))
           33                 return 1;
           34         /* FIXME: replace with XftColorAllocValue */
           35         #if USE_XFT == 1
           36         if (!XftColorAllocName(dpy, vis, cm, hex, &col->xftcolor))
           37                 return 1;
           38         #else
           39         (void)vis;
           40         #endif
           41         return 0;
           42 }
           43 
           44 void
           45 ltk_color_destroy(Display *dpy, Visual *vis, Colormap cm, ltk_color *col) {
           46         /* FIXME: what should the 'planes' argument be? */
           47         XFreeColors(dpy, cm, &col->xcolor.pixel, 1, 0);
           48         #if USE_XFT == 1
           49         XftColorFree(dpy, vis, cm, &col->xftcolor);
           50         #else
           51         (void)vis;
           52         #endif
           53 }