ltk

GUI toolkit for X11 (WIP)
git clone git://lumidify.org/ltk.git (fast, but not encrypted)
git clone https://lumidify.org/ltk.git (encrypted, but very slow)
git clone git://4kcetb7mo7hj6grozzybxtotsub5bempzo4lirzc3437amof2c2impyd.onion/ltk.git (over tor)
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color_xlib.c (2535B)

      1 /*
      2  * Copyright (c) 2021-2024 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 <stddef.h>
     18 
     19 #include <X11/Xlib.h>
     20 
     21 #include "color.h"
     22 #include "memory.h"
     23 #include "graphics.h"
     24 #include "graphics_xlib.h"
     25 
     26 /* FIXME: I think xcolor is unneeded when xft is enabled */
     27 ltk_color *
     28 ltk_color_create(ltk_renderdata *renderdata, const char *hex) {
     29 	ltk_color *col = ltk_malloc(sizeof(ltk_color));
     30 	if (!XParseColor(renderdata->dpy, renderdata->cm, hex, &col->xcolor)) {
     31 		ltk_free(col);
     32 		return NULL;
     33 	}
     34 	if (!XAllocColor(renderdata->dpy, renderdata->cm, &col->xcolor)) {
     35 		ltk_free(col);
     36 		return NULL;
     37 	}
     38 	/* FIXME: replace with XftColorAllocValue */
     39 	#if USE_XFT == 1
     40 	if (!XftColorAllocName(renderdata->dpy, renderdata->vis, renderdata->cm, hex, &col->xftcolor)) {
     41 		XFreeColors(renderdata->dpy, renderdata->cm, &col->xcolor.pixel, 1, 0);
     42 		ltk_free(col);
     43 		return NULL;
     44 	}
     45 	#endif
     46 	return col;
     47 }
     48 
     49 /* FIXME: does this actually work the way I think it does? */
     50 ltk_color *
     51 ltk_color_copy(ltk_renderdata *renderdata, const ltk_color *color) {
     52 	ltk_color *col = ltk_malloc(sizeof(ltk_color));
     53 	col->xcolor = color->xcolor;
     54 	if (!XAllocColor(renderdata->dpy, renderdata->cm, &col->xcolor)) {
     55 		ltk_free(col);
     56 		return NULL;
     57 	}
     58 	#if USE_XFT == 1
     59 	if (!XftColorAllocValue(renderdata->dpy, renderdata->vis, renderdata->cm, &color->xftcolor.color, &col->xftcolor)) {
     60 		XFreeColors(renderdata->dpy, renderdata->cm, &col->xcolor.pixel, 1, 0);
     61 		ltk_free(col);
     62 		return NULL;
     63 	}
     64 	#endif
     65 	return col;
     66 }
     67 
     68 void
     69 ltk_color_destroy(ltk_renderdata *renderdata, ltk_color *col) {
     70 	/* FIXME: what should the 'planes' argument be? */
     71 	XFreeColors(renderdata->dpy, renderdata->cm, &col->xcolor.pixel, 1, 0);
     72 	#if USE_XFT == 1
     73 	XftColorFree(renderdata->dpy, renderdata->vis, renderdata->cm, &col->xftcolor);
     74 	#endif
     75 	ltk_free(col);
     76 }