171 lines
4.5 KiB
C
171 lines
4.5 KiB
C
/*
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* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
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* Copyright (C) 2004-2022 Kim Woelders
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include "tclass.h"
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#if FONT_TYPE_XFS
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#include <X11/Xlib.h>
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#include "E.h"
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static GC
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_get_gc(Win win)
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{
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static GC gc = NULL;
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static Visual *last_vis = NULL;
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Visual *vis;
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vis = WinGetVisual(win);
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if (vis != last_vis)
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{
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if (gc)
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EXFreeGC(gc);
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gc = NULL;
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last_vis = vis;
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}
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if (!gc)
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gc = EXCreateGC(WinGetXwin(win), 0, NULL);
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return gc;
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}
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/*
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* XFontSet - XCreateFontSet
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*/
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__EXPORT__ extern const FontOps FontOps_xfs;
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typedef struct {
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XFontSet font;
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int ascent;
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Win win;
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EX_Drawable draw;
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GC gc;
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} FontCtxXfs;
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static int
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_xfs_Load(TextState *ts, const char *name)
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{
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XFontSet font;
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FontCtxXfs *fdc;
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int i, missing_cnt, font_cnt;
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char **missing_list, *def_str, **fnlr;
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XFontStruct **fs;
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font = XCreateFontSet(disp, name, &missing_list, &missing_cnt, &def_str);
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if (missing_cnt)
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XFreeStringList(missing_list);
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if (!font)
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return -1;
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if (EDebug(EDBUG_TYPE_FONTS) >= 2)
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{
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Eprintf("- XBaseFontNameListOfFontSet %s\n",
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XBaseFontNameListOfFontSet(font));
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font_cnt = XFontsOfFontSet(font, &fs, &fnlr);
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for (i = 0; i < font_cnt; i++)
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Eprintf("- XFontsOfFontSet %d: %s\n", i, fnlr[i]);
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}
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fdc = EMALLOC(FontCtxXfs, 1);
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if (!fdc)
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return -1;
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fdc->font = font;
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ts->fdc = fdc;
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fdc->ascent = 0;
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font_cnt = XFontsOfFontSet(font, &fs, &fnlr);
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for (i = 0; i < font_cnt; i++)
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fdc->ascent = MAX(fs[i]->ascent, fdc->ascent);
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ts->type = FONT_TYPE_XFS;
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ts->ops = &FontOps_xfs;
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return 0;
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}
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static void
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_xfs_Unload(TextState *ts)
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{
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FontCtxXfs *fdc = (FontCtxXfs *) ts->fdc;
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XFreeFontSet(disp, fdc->font);
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}
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static void
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_xfs_TextSize(TextState *ts, const char *text, int len,
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int *width, int *height, int *ascent)
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{
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FontCtxXfs *fdc = (FontCtxXfs *) ts->fdc;
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XRectangle ret2;
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if (len == 0)
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len = strlen(text);
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XmbTextExtents(fdc->font, text, len, NULL, &ret2);
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*height = ret2.height;
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*width = ret2.width;
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*ascent = fdc->ascent;
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}
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static void
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_xfs_TextDraw(TextState *ts, int x, int y, const char *text, int len)
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{
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FontCtxXfs *fdc = (FontCtxXfs *) ts->fdc;
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XmbDrawString(disp, fdc->draw, fdc->font, fdc->gc, x, y, text, len);
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}
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static int
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_xfs_FdcInit(TextState *ts, Win win, EX_Drawable draw)
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{
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FontCtxXfs *fdc = (FontCtxXfs *) ts->fdc;
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fdc->win = win;
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fdc->draw = draw;
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fdc->gc = _get_gc(win);
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return 0;
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}
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static void
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_xfs_FdcSetDrawable(TextState *ts, unsigned long draw)
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{
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FontCtxXfs *fdc = (FontCtxXfs *) ts->fdc;
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fdc->draw = draw;
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}
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static void
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_xfs_FdcSetColor(TextState *ts, unsigned int color)
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{
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FontCtxXfs *fdc = (FontCtxXfs *) ts->fdc;
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unsigned int pixel;
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pixel = EAllocColor(WinGetCmap(fdc->win), color);
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XSetForeground(disp, fdc->gc, pixel);
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}
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const FontOps FontOps_xfs = {
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_xfs_Load, _xfs_Unload, _xfs_TextSize, TextstateTextFit, _xfs_TextDraw,
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_xfs_FdcInit, NULL, _xfs_FdcSetDrawable, _xfs_FdcSetColor
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};
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#endif /* FONT_TYPE_XFS */
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