parent
723361fa12
commit
4508fd2c4e
14 changed files with 191 additions and 148 deletions
@ -1,136 +0,0 @@ |
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/* See LICENSE file for copyright and license details. */ |
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#include <ctype.h> |
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#include <locale.h> |
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <strings.h> |
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#include <X11/Xlib.h> |
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#include "draw.h" |
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|
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/* macros */ |
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#define MIN(a, b) ((a) < (b) ? (a) : (b)) |
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#define MAX(a, b) ((a) > (b) ? (a) : (b)) |
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|
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/* variables */ |
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const char *progname; |
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void |
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cleanupdraw(DC *dc) { |
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if(dc->font.set) |
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XFreeFontSet(dc->dpy, dc->font.set); |
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else |
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XFreeFont(dc->dpy, dc->font.xfont); |
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XFreePixmap(dc->dpy, dc->drawable); |
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XFreeGC(dc->dpy, dc->gc); |
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} |
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|
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void |
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setupdraw(DC *dc, Window w) { |
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XWindowAttributes wa; |
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XGetWindowAttributes(dc->dpy, w, &wa); |
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dc->drawable = XCreatePixmap(dc->dpy, w, wa.width, wa.height, |
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DefaultDepth(dc->dpy, DefaultScreen(dc->dpy))); |
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dc->gc = XCreateGC(dc->dpy, w, 0, NULL); |
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XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter); |
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if(!dc->font.set) |
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XSetFont(dc->dpy, dc->gc, dc->font.xfont->fid); |
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} |
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|
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void |
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drawtext(DC *dc, const char *text, unsigned long col[ColLast]) { |
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char buf[256]; |
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int i, x, y, h, len, olen; |
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XRectangle r = { dc->x, dc->y, dc->w, dc->h }; |
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|
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XSetForeground(dc->dpy, dc->gc, col[ColBG]); |
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XFillRectangles(dc->dpy, dc->drawable, dc->gc, &r, 1); |
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if(!text) |
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return; |
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olen = strlen(text); |
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h = dc->font.height; |
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y = dc->y + ((h+2) / 2) - (h / 2) + dc->font.ascent; |
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x = dc->x + (h / 2); |
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/* shorten text if necessary */ |
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for(len = MIN(olen, sizeof buf); len && textnw(dc, text, len) > dc->w - h; len--); |
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if(!len) |
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return; |
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memcpy(buf, text, len); |
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if(len < olen) |
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for(i = len; i && i > len - 3; buf[--i] = '.'); |
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XSetForeground(dc->dpy, dc->gc, col[ColFG]); |
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if(dc->font.set) |
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XmbDrawString(dc->dpy, dc->drawable, dc->font.set, dc->gc, x, y, buf, len); |
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else |
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XDrawString(dc->dpy, dc->drawable, dc->gc, x, y, buf, len); |
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} |
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void |
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eprint(const char *fmt, ...) { |
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va_list ap; |
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fprintf(stderr, "%s: ", progname); |
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va_start(ap, fmt); |
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vfprintf(stderr, fmt, ap); |
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va_end(ap); |
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exit(EXIT_FAILURE); |
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} |
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unsigned long |
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getcolor(DC *dc, const char *colstr) { |
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Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy)); |
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XColor color; |
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if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color)) |
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eprint("cannot allocate color '%s'\n", colstr); |
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return color.pixel; |
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} |
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void |
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initfont(DC *dc, const char *fontstr) { |
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char *def, **missing = NULL; |
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int i, n; |
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if(!fontstr || !*fontstr) |
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eprint("cannot load null font\n"); |
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dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def); |
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if(missing) |
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XFreeStringList(missing); |
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if(dc->font.set) { |
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XFontStruct **xfonts; |
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char **font_names; |
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dc->font.ascent = dc->font.descent = 0; |
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n = XFontsOfFontSet(dc->font.set, &xfonts, &font_names); |
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for(i = 0; i < n; i++) { |
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dc->font.ascent = MAX(dc->font.ascent, (*xfonts)->ascent); |
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dc->font.descent = MAX(dc->font.descent, (*xfonts)->descent); |
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xfonts++; |
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} |
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} |
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else { |
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if(!(dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr)) |
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&& !(dc->font.xfont = XLoadQueryFont(dc->dpy, "fixed"))) |
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eprint("cannot load font '%s'\n", fontstr); |
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dc->font.ascent = dc->font.xfont->ascent; |
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dc->font.descent = dc->font.xfont->descent; |
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} |
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dc->font.height = dc->font.ascent + dc->font.descent; |
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} |
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int |
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textnw(DC *dc, const char *text, unsigned int len) { |
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XRectangle r; |
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if(dc->font.set) { |
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XmbTextExtents(dc->font.set, text, len, NULL, &r); |
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return r.width; |
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} |
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return XTextWidth(dc->font.xfont, text, len); |
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} |
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int |
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textw(DC *dc, const char *text) { |
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return textnw(dc, text, strlen(text)) + dc->font.height; |
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} |
@ -0,0 +1,26 @@ |
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# libdraw - dynamic drawing library
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# See LICENSE file for copyright and license details.
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include ../config.mk |
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SRC = cleanupdraw.c setupdraw.c drawtext.c eprint.c getcolor.c initfont.c \
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textnw.c textw.c |
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OBJ = ${SRC:.c=.o}
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all: libdraw.a |
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.c.o: |
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@echo CC $<
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@${CC} -c ${CFLAGS} $<
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${OBJ}: ../config.mk draw.h |
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libdraw.a: ${OBJ} |
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@echo AR $@
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@ar cr $@ $+
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clean: |
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@echo cleaning libdraw
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@rm -f libdraw.a ${OBJ}
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.PHONY: all options clean |
@ -0,0 +1,13 @@ |
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/* See LICENSE file for copyright and license details. */ |
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#include <X11/Xlib.h> |
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#include "draw.h" |
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void |
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cleanupdraw(DC *dc) { |
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if(dc->font.set) |
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XFreeFontSet(dc->dpy, dc->font.set); |
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else |
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XFreeFont(dc->dpy, dc->font.xfont); |
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XFreePixmap(dc->dpy, dc->drawable); |
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XFreeGC(dc->dpy, dc->gc); |
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} |
@ -0,0 +1,34 @@ |
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/* See LICENSE file for copyright and license details. */ |
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#include <string.h> |
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#include <X11/Xlib.h> |
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#include "draw.h" |
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#define MIN(a, b) ((a) < (b) ? (a) : (b)) |
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void |
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drawtext(DC *dc, const char *text, unsigned long col[ColLast]) { |
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char buf[256]; |
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int i, x, y, h, len, olen; |
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XRectangle r = { dc->x, dc->y, dc->w, dc->h }; |
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XSetForeground(dc->dpy, dc->gc, col[ColBG]); |
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XFillRectangles(dc->dpy, dc->drawable, dc->gc, &r, 1); |
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if(!text) |
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return; |
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olen = strlen(text); |
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h = dc->font.height; |
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y = dc->y + ((h+2) / 2) - (h / 2) + dc->font.ascent; |
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x = dc->x + (h / 2); |
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/* shorten text if necessary */ |
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for(len = MIN(olen, sizeof buf); len && textnw(dc, text, len) > dc->w - h; len--); |
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if(!len) |
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return; |
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memcpy(buf, text, len); |
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if(len < olen) |
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for(i = len; i && i > len - 3; buf[--i] = '.'); |
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XSetForeground(dc->dpy, dc->gc, col[ColFG]); |
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if(dc->font.set) |
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XmbDrawString(dc->dpy, dc->drawable, dc->font.set, dc->gc, x, y, buf, len); |
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else |
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XDrawString(dc->dpy, dc->drawable, dc->gc, x, y, buf, len); |
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} |
@ -0,0 +1,18 @@ |
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/* See LICENSE file for copyright and license details. */ |
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include "draw.h" |
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const char *progname; |
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void |
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eprint(const char *fmt, ...) { |
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va_list ap; |
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fprintf(stderr, "%s: ", progname); |
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va_start(ap, fmt); |
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vfprintf(stderr, fmt, ap); |
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va_end(ap); |
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exit(EXIT_FAILURE); |
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} |
@ -0,0 +1,13 @@ |
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/* See LICENSE file for copyright and license details. */ |
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#include <X11/Xlib.h> |
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#include "draw.h" |
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unsigned long |
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getcolor(DC *dc, const char *colstr) { |
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Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy)); |
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XColor color; |
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if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color)) |
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eprint("cannot allocate color '%s'\n", colstr); |
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return color.pixel; |
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} |
@ -0,0 +1,36 @@ |
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/* See LICENSE file for copyright and license details. */ |
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#include <X11/Xlib.h> |
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#include "draw.h" |
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#define MAX(a, b) ((a) > (b) ? (a) : (b)) |
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void |
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initfont(DC *dc, const char *fontstr) { |
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char *def, **missing = NULL; |
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int i, n; |
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if(!fontstr || !*fontstr) |
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eprint("cannot load null font\n"); |
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dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def); |
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if(missing) |
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XFreeStringList(missing); |
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if(dc->font.set) { |
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XFontStruct **xfonts; |
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char **font_names; |
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dc->font.ascent = dc->font.descent = 0; |
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n = XFontsOfFontSet(dc->font.set, &xfonts, &font_names); |
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for(i = 0; i < n; i++) { |
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dc->font.ascent = MAX(dc->font.ascent, (*xfonts)->ascent); |
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dc->font.descent = MAX(dc->font.descent, (*xfonts)->descent); |
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xfonts++; |
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} |
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} |
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else { |
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if(!(dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr)) |
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&& !(dc->font.xfont = XLoadQueryFont(dc->dpy, "fixed"))) |
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eprint("cannot load font '%s'\n", fontstr); |
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dc->font.ascent = dc->font.xfont->ascent; |
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dc->font.descent = dc->font.xfont->descent; |
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} |
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dc->font.height = dc->font.ascent + dc->font.descent; |
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} |
@ -0,0 +1,16 @@ |
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/* See LICENSE file for copyright and license details. */ |
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#include <X11/Xlib.h> |
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#include "draw.h" |
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void |
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setupdraw(DC *dc, Window w) { |
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XWindowAttributes wa; |
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XGetWindowAttributes(dc->dpy, w, &wa); |
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dc->drawable = XCreatePixmap(dc->dpy, w, wa.width, wa.height, |
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DefaultDepth(dc->dpy, DefaultScreen(dc->dpy))); |
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dc->gc = XCreateGC(dc->dpy, w, 0, NULL); |
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XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter); |
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if(!dc->font.set) |
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XSetFont(dc->dpy, dc->gc, dc->font.xfont->fid); |
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} |
@ -0,0 +1,14 @@ |
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/* See LICENSE file for copyright and license details. */ |
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#include <X11/Xlib.h> |
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#include "draw.h" |
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int |
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textnw(DC *dc, const char *text, unsigned int len) { |
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XRectangle r; |
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if(dc->font.set) { |
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XmbTextExtents(dc->font.set, text, len, NULL, &r); |
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return r.width; |
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} |
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return XTextWidth(dc->font.xfont, text, len); |
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} |
@ -0,0 +1,9 @@ |
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/* See LICENSE file for copyright and license details. */ |
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#include <string.h> |
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#include <X11/Xlib.h> |
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#include "draw.h" |
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int |
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textw(DC *dc, const char *text) { |
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return textnw(dc, text, strlen(text)) + dc->font.height; |
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} |
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