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/*
* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
* Copyright (C) 2007-2021 Kim Woelders
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include "dox.h"
static char **
TextGetLines(const char *text, int *count)
{
int i, j, k;
char **list = NULL;
*count = 0;
i = 0;
k = 0;
if (!text)
return NULL;
*count = 1;
while (text[i])
{
j = i;
while ((text[j]) && (text[j] != '\n'))
j++;
k++;
list = EREALLOC(char *, list, k);
list[k - 1] = EMALLOC(char, j - i + 1);
if (j > i)
strncpy(list[k - 1], &(text[i]), (j - i));
list[k - 1][j - i] = 0;
i = j;
if (text[i] == '\n')
i++;
}
*count = k;
return list;
}
void
TextStateLoadFont(TextState * ts)
{
if ((ts->efont) || (ts->xfontset))
return;
if (!ts->fontname)
return;
if (!ts->efont)
{
char s[4096], w[4046], *s2, *ss;
s2 = NULL;
s2 = strdup(ts->fontname);
ss = strchr(s2, '/');
if (ss)
{
*ss = ' ';
word(s2, 1, s);
word(s2, 2, w);
ts->efont = Efont_load(s, atoi(w));
if (ts->efont)
{
int as, ds;
Efont_extents(ts->efont, " ", &as, &ds, NULL, NULL, NULL,
NULL, NULL);
ts->xfontset_ascent = as;
ts->height = as + ds;
}
}
Efree(s2);
if (ts->efont)
return;
}
if (!ts->xfontset)
{
int i, missing_cnt, font_cnt;
int descent;
char **missing_list, *def_str, **fn;
XFontStruct **fs;
ts->xfontset = XCreateFontSet(disp, ts->fontname, &missing_list,
&missing_cnt, &def_str);
if (!ts->xfontset)
ts->xfontset = XCreateFontSet(disp, "fixed", &missing_list,
&missing_cnt, &def_str);
if (missing_cnt)
XFreeStringList(missing_list);
if (!ts->xfontset)
return;
font_cnt = XFontsOfFontSet(ts->xfontset, &fs, &fn);
ts->xfontset_ascent = 0;
for (i = 0; i < font_cnt; i++)
ts->xfontset_ascent = MAX(fs[i]->ascent, ts->xfontset_ascent);
descent = 0;
for (i = 0; i < font_cnt; i++)
descent = MAX(fs[i]->descent, descent);
ts->height = ts->xfontset_ascent + descent;
}
}
void
TextSize(TextState * ts, const char *text, int *width, int *height)
{
char **lines;
int i, num_lines;
*width = 0;
*height = 0;
lines = TextGetLines(text, &num_lines);
if (!lines)
return;
if (!ts)
return;
TextStateLoadFont(ts);
if (ts->efont)
{
for (i = 0; i < num_lines; i++)
{
int ascent, descent, wid;
Efont_extents(ts->efont, lines[i], &ascent, &descent, &wid,
NULL, NULL, NULL, NULL);
*height += ascent + descent;
if (wid > *width)
*width = wid;
}
}
else if (ts->xfontset)
{
for (i = 0; i < num_lines; i++)
{
XRectangle ret1, ret2;
XmbTextExtents(ts->xfontset, lines[i], strlen(lines[i]), &ret1,
&ret2);
*height += ret2.height;
if (ret2.width > *width)
*width = ret2.width;
}
}
freestrlist(lines, num_lines);
}
void
TextDraw(TextState * ts, Window win, char *text,
int x, int y, int w, int h __UNUSED__, int justification)
{
char **lines;
int i, num_lines;
int xx, yy;
XGCValues gcv;
static GC gc = 0;
if (!ts)
return;
lines = TextGetLines(text, &num_lines);
if (!lines)
return;
TextStateLoadFont(ts);
yy = y;
if (!gc)
gc = XCreateGC(disp, win, 0, &gcv);
if (ts->efont)
{
for (i = 0; i < num_lines; i++)
{
int ascent, descent, wid;
Efont_extents(ts->efont, lines[i], &ascent, &descent, &wid,
NULL, NULL, NULL, NULL);
if (i == 0)
yy += ascent;
xx = x + (((w - wid) * justification) >> 10);
if (ts->effect == 1)
{
EAllocColor(&ts->bg_col);
XSetForeground(disp, gc, ts->bg_col.pixel);
EFont_draw_string(disp, win, gc, xx + 1, yy + 1,
lines[i], ts->efont, VRoot.vis, VRoot.cmap);
}
else if (ts->effect == 2)
{
EAllocColor(&ts->bg_col);
XSetForeground(disp, gc, ts->bg_col.pixel);
EFont_draw_string(disp, win, gc, xx - 1, yy,
lines[i], ts->efont, VRoot.vis, VRoot.cmap);
EFont_draw_string(disp, win, gc, xx + 1, yy,
lines[i], ts->efont, VRoot.vis, VRoot.cmap);
EFont_draw_string(disp, win, gc, xx, yy - 1,
lines[i], ts->efont, VRoot.vis, VRoot.cmap);
EFont_draw_string(disp, win, gc, xx, yy + 1,
lines[i], ts->efont, VRoot.vis, VRoot.cmap);
}
EAllocColor(&ts->fg_col);
XSetForeground(disp, gc, ts->fg_col.pixel);
EFont_draw_string(disp, win, gc, xx, yy,
lines[i], ts->efont, VRoot.vis, VRoot.cmap);
yy += ascent + descent;
}
}
else if (ts->xfontset)
{
for (i = 0; i < num_lines; i++)
{
XRectangle ret1, ret2;
XmbTextExtents(ts->xfontset, lines[i], strlen(lines[i]), &ret1,
&ret2);
if (i == 0)
yy += ts->xfontset_ascent;
xx = x + (((w - ret2.width) * justification) >> 10);
if (ts->effect == 1)
{
EAllocColor(&ts->bg_col);
XSetForeground(disp, gc, ts->bg_col.pixel);
XmbDrawString(disp, win, ts->xfontset, gc, xx + 1, yy + 1,
lines[i], strlen(lines[i]));
}
else if (ts->effect == 2)
{
EAllocColor(&ts->bg_col);
XSetForeground(disp, gc, ts->bg_col.pixel);
XmbDrawString(disp, win, ts->xfontset, gc, xx - 1, yy,
lines[i], strlen(lines[i]));
XmbDrawString(disp, win, ts->xfontset, gc, xx + 1, yy,
lines[i], strlen(lines[i]));
XmbDrawString(disp, win, ts->xfontset, gc, xx, yy - 1,
lines[i], strlen(lines[i]));
XmbDrawString(disp, win, ts->xfontset, gc, xx, yy + 1,
lines[i], strlen(lines[i]));
}
EAllocColor(&ts->fg_col);
XSetForeground(disp, gc, ts->fg_col.pixel);
XmbDrawString(disp, win, ts->xfontset, gc, xx, yy,
lines[i], strlen(lines[i]));
yy += ret2.height;
}
}
freestrlist(lines, num_lines);
}