11 changed files with 328 additions and 36 deletions
@ -0,0 +1,9 @@ |
|||
/*
|
|||
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
|||
* See LICENSE file for license details. |
|||
*/ |
|||
|
|||
#define FONT "fixed" |
|||
#define FGCOLOR "#000000" |
|||
#define BGCOLOR "#ffaa00" |
|||
#define BOCOLOR "#000000" |
|||
@ -0,0 +1,163 @@ |
|||
/*
|
|||
* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com> |
|||
* See LICENSE file for license details. |
|||
*/ |
|||
|
|||
#include <stdio.h> |
|||
#include <string.h> |
|||
|
|||
#include "draw.h" |
|||
#include "util.h" |
|||
|
|||
static void |
|||
drawborder(Display *dpy, Brush *b) |
|||
{ |
|||
XPoint points[5]; |
|||
XSetLineAttributes(dpy, b->gc, 1, LineSolid, CapButt, JoinMiter); |
|||
XSetForeground(dpy, b->gc, b->color.border); |
|||
points[0].x = b->rect.x; |
|||
points[0].y = b->rect.y; |
|||
points[1].x = b->rect.width - 1; |
|||
points[1].y = 0; |
|||
points[2].x = 0; |
|||
points[2].y = b->rect.height - 1; |
|||
points[3].x = -(b->rect.width - 1); |
|||
points[3].y = 0; |
|||
points[4].x = 0; |
|||
points[4].y = -(b->rect.height - 1); |
|||
XDrawLines(dpy, b->drawable, b->gc, points, 5, CoordModePrevious); |
|||
} |
|||
|
|||
void |
|||
draw(Display *dpy, Brush *b) |
|||
{ |
|||
unsigned int x, y, w, h, len; |
|||
static char buf[256]; |
|||
XGCValues gcv; |
|||
|
|||
XSetForeground(dpy, b->gc, b->color.bg); |
|||
XFillRectangles(dpy, b->drawable, b->gc, &b->rect, 1); |
|||
|
|||
if(b->border) |
|||
drawborder(dpy, b); |
|||
|
|||
if(!b->text) |
|||
return; |
|||
|
|||
len = strlen(b->text); |
|||
if(len >= sizeof(buf)) |
|||
len = sizeof(buf) - 1; |
|||
memcpy(buf, b->text, len); |
|||
buf[len] = 0; |
|||
|
|||
h = b->font->ascent + b->font->descent; |
|||
y = b->rect.y + (b->rect.height / 2) - (h / 2) + b->font->ascent; |
|||
x = b->rect.x + (h / 2); |
|||
|
|||
/* shorten text if necessary */ |
|||
while(len && (w = textwidth_l(b->font, buf, len)) > b->rect.width - h) |
|||
buf[--len] = 0; |
|||
|
|||
if(w > b->rect.width) |
|||
return; /* too long */ |
|||
|
|||
gcv.foreground = b->color.fg; |
|||
gcv.background = b->color.bg; |
|||
if(b->font->set) { |
|||
XChangeGC(dpy, b->gc, GCForeground | GCBackground, &gcv); |
|||
XmbDrawImageString(dpy, b->drawable, b->font->set, b->gc, |
|||
x, y, buf, len); |
|||
} |
|||
else { |
|||
gcv.font = b->font->xfont->fid; |
|||
XChangeGC(dpy, b->gc, GCForeground | GCBackground | GCFont, &gcv); |
|||
XDrawImageString(dpy, b->drawable, b->gc, x, y, buf, len); |
|||
} |
|||
} |
|||
|
|||
static unsigned long |
|||
xloadcolor(Display *dpy, Colormap cmap, const char *colstr) |
|||
{ |
|||
XColor color; |
|||
XAllocNamedColor(dpy, cmap, colstr, &color, &color); |
|||
return color.pixel; |
|||
} |
|||
|
|||
void |
|||
loadcolor(Display *dpy, int screen, Color *c, |
|||
const char *bg, const char *fg, const char *border) |
|||
{ |
|||
Colormap cmap = DefaultColormap(dpy, screen); |
|||
c->bg = xloadcolor(dpy, cmap, bg); |
|||
c->fg = xloadcolor(dpy, cmap, fg); |
|||
c->border = xloadcolor(dpy, cmap, border); |
|||
} |
|||
|
|||
unsigned int |
|||
textwidth_l(Fnt *font, char *text, unsigned int len) |
|||
{ |
|||
if(font->set) { |
|||
XRectangle r; |
|||
XmbTextExtents(font->set, text, len, 0, &r); |
|||
return r.width; |
|||
} |
|||
return XTextWidth(font->xfont, text, len); |
|||
} |
|||
|
|||
unsigned int |
|||
textwidth(Fnt *font, char *text) |
|||
{ |
|||
return textwidth_l(font, text, strlen(text)); |
|||
} |
|||
|
|||
void |
|||
loadfont(Display *dpy, Fnt *font, const char *fontstr) |
|||
{ |
|||
char **missing, *def; |
|||
int n; |
|||
|
|||
missing = 0; |
|||
def = "?"; |
|||
setlocale(LC_ALL, ""); |
|||
if(font->set) |
|||
XFreeFontSet(dpy, font->set); |
|||
font->set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); |
|||
if(missing) { |
|||
while(n--) |
|||
fprintf(stderr, "missing fontset: %s\n", missing[n]); |
|||
XFreeStringList(missing); |
|||
if(font->set) { |
|||
XFreeFontSet(dpy, font->set); |
|||
font->set = 0; |
|||
} |
|||
} |
|||
if(font->set) { |
|||
XFontSetExtents *font_extents; |
|||
XFontStruct **xfonts; |
|||
char **font_names; |
|||
unsigned int i; |
|||
|
|||
font->ascent = font->descent = 0; |
|||
font_extents = XExtentsOfFontSet(font->set); |
|||
n = XFontsOfFontSet(font->set, &xfonts, &font_names); |
|||
for(i = 0, font->ascent = 0, font->descent = 0; i < n; i++) { |
|||
if(font->ascent < (*xfonts)->ascent) |
|||
font->ascent = (*xfonts)->ascent; |
|||
if(font->descent < (*xfonts)->descent) |
|||
font->descent = (*xfonts)->descent; |
|||
xfonts++; |
|||
} |
|||
} |
|||
else { |
|||
if(font->xfont) |
|||
XFreeFont(dpy, font->xfont); |
|||
font->xfont = 0; |
|||
font->xfont = XLoadQueryFont(dpy, fontstr); |
|||
if (!font->xfont) |
|||
font->xfont = XLoadQueryFont(dpy, "fixed"); |
|||
if (!font->xfont) |
|||
error("error, cannot load 'fixed' font\n"); |
|||
font->ascent = font->xfont->ascent; |
|||
font->descent = font->xfont->descent; |
|||
} |
|||
} |
|||
@ -0,0 +1,6 @@ |
|||
/*
|
|||
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
|||
* See LICENSE file for license details. |
|||
*/ |
|||
|
|||
extern void error(char *errstr, ...); |
|||
@ -0,0 +1,81 @@ |
|||
/*
|
|||
* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com> |
|||
* See LICENSE file for license details. |
|||
*/ |
|||
|
|||
#include <stdio.h> |
|||
#include <stdlib.h> |
|||
#include <string.h> |
|||
#include <locale.h> |
|||
|
|||
unsigned int |
|||
textwidth_l(BlitzFont *font, char *text, unsigned int len) |
|||
{ |
|||
if(font->set) { |
|||
XRectangle r; |
|||
XmbTextExtents(font->set, text, len, nil, &r); |
|||
return r.width; |
|||
} |
|||
return XTextWidth(font->xfont, text, len); |
|||
} |
|||
|
|||
unsigned int |
|||
textwidth(BlitzFont *font, char *text) |
|||
{ |
|||
return blitz_textwidth_l(font, text, strlen(text)); |
|||
} |
|||
|
|||
void |
|||
loadfont(Blitz *blitz, BlitzFont *font) |
|||
{ |
|||
char *fontname = font->fontstr; |
|||
char **missing = nil, *def = "?"; |
|||
int n; |
|||
|
|||
setlocale(LC_ALL, ""); |
|||
if(font->set) |
|||
XFreeFontSet(blitz->dpy, font->set); |
|||
font->set = XCreateFontSet(blitz->dpy, fontname, &missing, &n, &def); |
|||
if(missing) { |
|||
while(n--) |
|||
fprintf(stderr, "liblitz: missing fontset: %s\n", missing[n]); |
|||
XFreeStringList(missing); |
|||
if(font->set) { |
|||
XFreeFontSet(blitz->dpy, font->set); |
|||
font->set = nil; |
|||
} |
|||
} |
|||
if(font->set) { |
|||
XFontSetExtents *font_extents; |
|||
XFontStruct **xfonts; |
|||
char **font_names; |
|||
unsigned int i; |
|||
|
|||
font->ascent = font->descent = 0; |
|||
font_extents = XExtentsOfFontSet(font->set); |
|||
n = XFontsOfFontSet(font->set, &xfonts, &font_names); |
|||
for(i = 0, font->ascent = 0, font->descent = 0; i < n; i++) { |
|||
if(font->ascent < (*xfonts)->ascent) |
|||
font->ascent = (*xfonts)->ascent; |
|||
if(font->descent < (*xfonts)->descent) |
|||
font->descent = (*xfonts)->descent; |
|||
xfonts++; |
|||
} |
|||
} |
|||
else { |
|||
if(font->xfont) |
|||
XFreeFont(blitz->dpy, font->xfont); |
|||
font->xfont = nil; |
|||
font->xfont = XLoadQueryFont(blitz->dpy, fontname); |
|||
if (!font->xfont) { |
|||
fontname = "fixed"; |
|||
font->xfont = XLoadQueryFont(blitz->dpy, fontname); |
|||
} |
|||
if (!font->xfont) { |
|||
fprintf(stderr, "%s", "liblitz: error, cannot load 'fixed' font\n"); |
|||
exit(1); |
|||
} |
|||
font->ascent = font->xfont->ascent; |
|||
font->descent = font->xfont->descent; |
|||
} |
|||
} |
|||
@ -0,0 +1,18 @@ |
|||
/*
|
|||
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
|||
* See LICENSE file for license details. |
|||
*/ |
|||
|
|||
#include <stdarg.h> |
|||
#include <stdio.h> |
|||
#include <stdlib.h> |
|||
|
|||
void |
|||
error(char *errstr, ...) { |
|||
va_list ap; |
|||
va_start(ap, errstr); |
|||
vfprintf(stderr, errstr, ap); |
|||
va_end(ap); |
|||
exit(1); |
|||
} |
|||
|
|||
@ -0,0 +1,41 @@ |
|||
/*
|
|||
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
|||
* See LICENSE file for license details. |
|||
*/ |
|||
|
|||
#include <X11/Xlib.h> |
|||
#include <X11/Xlocale.h> |
|||
|
|||
typedef struct Brush Brush; |
|||
typedef struct Color Color; |
|||
typedef struct Fnt Fnt; |
|||
|
|||
struct Color { |
|||
unsigned long bg; |
|||
unsigned long fg; |
|||
unsigned long border; |
|||
}; |
|||
|
|||
struct Fnt { |
|||
XFontStruct *xfont; |
|||
XFontSet set; |
|||
int ascent; |
|||
int descent; |
|||
}; |
|||
|
|||
struct Brush { |
|||
GC gc; |
|||
Drawable drawable; |
|||
XRectangle rect; |
|||
Bool border; |
|||
Fnt *font; |
|||
Color color; |
|||
const char *text; |
|||
}; |
|||
|
|||
extern void draw(Display *dpy, Brush *b); |
|||
extern void loadcolor(Display *dpy, int screen, Color *c, |
|||
const char *bg, const char *fg, const char *bo); |
|||
extern unsigned int textwidth_l(Fnt *font, char *text, unsigned int len); |
|||
extern unsigned int textwidth(Fnt *font, char *text); |
|||
extern void loadfont(Display *dpy, Fnt *font, const char *fontstr); |
|||
Loading…
Reference in new issue