parent
aafeaf7317
commit
f2544a3318
6 changed files with 265 additions and 268 deletions
@ -1,202 +0,0 @@ |
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/* See LICENSE file for copyright and license details. */ |
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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 <X11/Xlib.h> |
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|
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#include "draw.h" |
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#include "util.h" |
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|
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Draw * |
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draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) { |
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Draw *draw = (Draw *)calloc(1, sizeof(Draw)); |
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draw->dpy = dpy; |
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draw->screen = screen; |
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draw->win = win; |
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draw->w = w; |
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draw->h = h; |
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draw->drawable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen)); |
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draw->gc = XCreateGC(dpy, win, 0, NULL); |
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XSetLineAttributes(dpy, draw->gc, 1, LineSolid, CapButt, JoinMiter); |
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return draw; |
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} |
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|
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void |
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draw_resize(Draw *draw, unsigned int w, unsigned int h) { |
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if(!draw) |
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return; |
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draw->w = w; |
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draw->h = h; |
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XFreePixmap(draw->dpy, draw->drawable); |
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draw->drawable = XCreatePixmap(draw->dpy, draw->win, w, h, DefaultDepth(draw->dpy, draw->screen)); |
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} |
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|
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void |
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draw_free(Draw *draw) { |
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XFreePixmap(draw->dpy, draw->drawable); |
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XFreeGC(draw->dpy, draw->gc); |
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free(draw); |
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} |
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|
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Fnt * |
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draw_font_create(Draw *draw, const char *fontname) { |
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Fnt *font; |
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char *def, **missing; |
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int n; |
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|
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if(!draw) |
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return NULL; |
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font = (Fnt *)calloc(1, sizeof(Fnt)); |
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font->set = XCreateFontSet(draw->dpy, fontname, &missing, &n, &def); |
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if(missing) { |
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while(n--) |
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fprintf(stderr, "draw: missing fontset: %s\n", missing[n]); |
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XFreeStringList(missing); |
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} |
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if(font->set) { |
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XFontStruct **xfonts; |
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char **font_names; |
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XExtentsOfFontSet(font->set); |
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n = XFontsOfFontSet(font->set, &xfonts, &font_names); |
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while(n--) { |
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font->ascent = MAX(font->ascent, (*xfonts)->ascent); |
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font->descent = MAX(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(!(font->xfont = XLoadQueryFont(draw->dpy, fontname)) |
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&& !(font->xfont = XLoadQueryFont(draw->dpy, "fixed"))) |
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die("error, cannot load font: '%s'\n", fontname); |
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font->ascent = font->xfont->ascent; |
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font->descent = font->xfont->descent; |
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} |
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font->h = font->ascent + font->descent; |
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return font; |
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} |
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|
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void |
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draw_font_free(Draw *draw, Fnt *font) { |
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if(!draw || !font) |
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return; |
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if(font->set) |
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XFreeFontSet(draw->dpy, font->set); |
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else |
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XFreeFont(draw->dpy, font->xfont); |
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free(font); |
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} |
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|
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Col * |
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draw_col_create(Draw *draw, const char *colname) { |
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Col *col = (Col *)calloc(1, sizeof(Col)); |
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Colormap cmap = DefaultColormap(draw->dpy, draw->screen); |
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XColor color; |
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if(!XAllocNamedColor(draw->dpy, cmap, colname, &color, &color)) |
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die("error, cannot allocate color '%s'\n", colname); |
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col->rgb = color.pixel; |
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return col; |
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} |
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|
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void |
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draw_col_free(Draw *draw, Col *col) { |
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if(!col) |
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return; |
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free(col); |
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} |
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|
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void |
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draw_setfont(Draw *draw, Fnt *font) { |
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if(!draw) |
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return; |
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draw->font = font; |
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} |
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|
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void |
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draw_setfg(Draw *draw, Col *col) { |
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if(!draw)
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return; |
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draw->fg = col; |
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} |
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|
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void |
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draw_setbg(Draw *draw, Col *col) { |
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if(!draw) |
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return; |
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draw->bg = col; |
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} |
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|
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void |
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draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert) { |
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int dx; |
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if(!draw || !draw->font || !draw->fg || !draw->bg) |
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return; |
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XSetForeground(draw->dpy, draw->gc, invert ? draw->bg->rgb : draw->fg->rgb); |
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dx = (draw->font->ascent + draw->font->descent + 2) / 4; |
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if(filled) |
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XFillRectangle(draw->dpy, draw->drawable, draw->gc, x+1, y+1, dx+1, dx+1); |
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else if(empty) |
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XDrawRectangle(draw->dpy, draw->drawable, draw->gc, x+1, y+1, dx, dx); |
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} |
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|
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void |
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draw_text(Draw *draw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert) { |
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char buf[256]; |
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int i, tx, ty, len, olen; |
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TextExtents tex; |
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|
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if(!draw || !draw->fg || !draw->bg) |
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return; |
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XSetForeground(draw->dpy, draw->gc, invert ? draw->fg->rgb : draw->bg->rgb); |
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XFillRectangle(draw->dpy, draw->drawable, draw->gc, x, y, w, h); |
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if(!text || !draw->font) |
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return; |
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olen = strlen(text); |
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draw_getextents(draw, text, olen, &tex); |
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ty = y + (h / 2) - tex.yOff; |
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tx = x + tex.xOff; |
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/* shorten text if necessary */ |
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for(len = MIN(olen, sizeof buf); len && tex.w > w - tex.h; len--) |
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draw_getextents(draw, text, len, &tex); |
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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(draw->dpy, draw->gc, invert ? draw->bg->rgb : draw->fg->rgb); |
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if(draw->font->set) |
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XmbDrawString(draw->dpy, draw->drawable, draw->font->set, draw->gc, tx, ty, buf, len); |
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else |
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XDrawString(draw->dpy, draw->drawable, draw->gc, tx, ty, buf, len); |
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} |
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|
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void |
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draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h) { |
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if(!draw) |
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return; |
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XCopyArea(draw->dpy, draw->drawable, draw->win, draw->gc, x, y, w, h, x, y); |
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XSync(draw->dpy, False); |
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} |
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|
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void |
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draw_getextents(Draw *draw, const char *text, unsigned int len, TextExtents *extents) { |
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XRectangle r; |
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if(!draw || !draw->font || !text) |
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return; |
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if(draw->font->set) { |
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XmbTextExtents(draw->font->set, text, len, NULL, &r); |
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extents->xOff = r.x; |
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extents->yOff = r.y; |
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extents->w = r.width; |
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extents->h = r.height; |
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} |
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else { |
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extents->h = draw->font->ascent + draw->font->descent; |
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extents->w = XTextWidth(draw->font->xfont, text, len); |
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extents->xOff = extents->h / 2; |
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extents->yOff = (extents->h / 2) + draw->font->ascent; |
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} |
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} |
@ -1,64 +0,0 @@ |
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/* See LICENSE file for copyright and license details. */ |
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|
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struct _XCol { |
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unsigned long rgb; |
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}; |
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typedef struct _XCol Col; |
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struct _XFont { |
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int ascent; |
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int descent; |
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unsigned int h; |
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XFontSet set; |
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XFontStruct *xfont; |
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}; |
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typedef struct _XFont Fnt; |
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typedef struct _XDraw Draw; |
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struct _XDraw { |
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unsigned int w, h; |
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Display *dpy; |
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int screen; |
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Window win; |
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Drawable drawable; |
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GC gc; |
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Col *fg; |
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Col *bg; |
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Fnt *font; |
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}; |
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typedef struct { |
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unsigned int w; |
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unsigned int h; |
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int xOff; |
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int yOff; |
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} TextExtents; |
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/* Drawable abstraction */ |
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Draw *draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h); |
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void draw_resize(Draw *draw, unsigned int w, unsigned int h); |
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void draw_free(Draw *draw); |
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|
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/* Fnt abstraction */ |
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Fnt *draw_font_create(Draw *draw, const char *fontname); |
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void draw_font_free(Draw *draw, Fnt *font); |
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|
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/* Colour abstraction */ |
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Col *draw_col_create(Draw *draw, const char *colname); |
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void draw_col_free(Draw *draw, Col *col); |
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/* Drawing context manipulation */ |
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void draw_setfont(Draw *draw, Fnt *font); |
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void draw_setfg(Draw *draw, Col *col); |
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void draw_setbg(Draw *draw, Col *col); |
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/* Drawing functions */ |
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void draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert); |
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void draw_text(Draw *draw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert); |
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/* Map functions */ |
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void draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h); |
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/* Text functions */ |
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void draw_getextents(Draw *draw, const char *text, unsigned int len, TextExtents *extents); |
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@ -0,0 +1,202 @@ |
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/* See LICENSE file for copyright and license details. */ |
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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 <X11/Xlib.h> |
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#include "drw.h" |
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#include "util.h" |
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Drw * |
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drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) { |
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Drw *drw = (Drw *)calloc(1, sizeof(Drw)); |
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drw->dpy = dpy; |
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drw->screen = screen; |
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drw->win = win; |
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drw->w = w; |
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drw->h = h; |
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drw->drwable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen)); |
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drw->gc = XCreateGC(dpy, win, 0, NULL); |
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XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter); |
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return drw; |
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} |
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void |
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drw_resize(Drw *drw, unsigned int w, unsigned int h) { |
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if(!drw) |
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return; |
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drw->w = w; |
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drw->h = h; |
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XFreePixmap(drw->dpy, drw->drwable); |
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drw->drwable = XCreatePixmap(drw->dpy, drw->win, w, h, DefaultDepth(drw->dpy, drw->screen)); |
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} |
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void |
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drw_free(Drw *drw) { |
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XFreePixmap(drw->dpy, drw->drwable); |
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XFreeGC(drw->dpy, drw->gc); |
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free(drw); |
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} |
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Fnt * |
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drw_font_create(Drw *drw, const char *fontname) { |
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Fnt *font; |
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char *def, **missing; |
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int n; |
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if(!drw) |
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return NULL; |
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font = (Fnt *)calloc(1, sizeof(Fnt)); |
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font->set = XCreateFontSet(drw->dpy, fontname, &missing, &n, &def); |
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if(missing) { |
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while(n--) |
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fprintf(stderr, "drw: missing fontset: %s\n", missing[n]); |
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XFreeStringList(missing); |
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} |
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if(font->set) { |
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XFontStruct **xfonts; |
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char **font_names; |
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XExtentsOfFontSet(font->set); |
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n = XFontsOfFontSet(font->set, &xfonts, &font_names); |
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while(n--) { |
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font->ascent = MAX(font->ascent, (*xfonts)->ascent); |
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font->descent = MAX(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(!(font->xfont = XLoadQueryFont(drw->dpy, fontname)) |
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&& !(font->xfont = XLoadQueryFont(drw->dpy, "fixed"))) |
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die("error, cannot load font: '%s'\n", fontname); |
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font->ascent = font->xfont->ascent; |
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font->descent = font->xfont->descent; |
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} |
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font->h = font->ascent + font->descent; |
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return font; |
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} |
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|
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void |
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drw_font_free(Drw *drw, Fnt *font) { |
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if(!drw || !font) |
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return; |
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if(font->set) |
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XFreeFontSet(drw->dpy, font->set); |
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else |
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XFreeFont(drw->dpy, font->xfont); |
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free(font); |
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} |
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|
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Clr * |
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drw_clr_create(Drw *drw, const char *clrname) { |
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Clr *clr = (Clr *)calloc(1, sizeof(Clr)); |
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Colormap cmap = DefaultColormap(drw->dpy, drw->screen); |
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XColor color; |
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if(!XAllocNamedColor(drw->dpy, cmap, clrname, &color, &color)) |
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die("error, cannot allocate color '%s'\n", clrname); |
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clr->rgb = color.pixel; |
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return clr; |
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} |
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|
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void |
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drw_clr_free(Drw *drw, Clr *clr) { |
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if(!clr) |
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return; |
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free(clr); |
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} |
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void |
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drw_setfont(Drw *drw, Fnt *font) { |
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if(!drw) |
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return; |
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drw->font = font; |
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} |
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void |
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drw_setfg(Drw *drw, Clr *clr) { |
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if(!drw)
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return; |
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drw->fg = clr; |
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} |
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|
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void |
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drw_setbg(Drw *drw, Clr *clr) { |
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if(!drw) |
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return; |
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drw->bg = clr; |
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} |
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|
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void |
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drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert) { |
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int dx; |
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if(!drw || !drw->font || !drw->fg || !drw->bg) |
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return; |
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XSetForeground(drw->dpy, drw->gc, invert ? drw->bg->rgb : drw->fg->rgb); |
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dx = (drw->font->ascent + drw->font->descent + 2) / 4; |
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if(filled) |
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XFillRectangle(drw->dpy, drw->drwable, drw->gc, x+1, y+1, dx+1, dx+1); |
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else if(empty) |
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XDrawRectangle(drw->dpy, drw->drwable, drw->gc, x+1, y+1, dx, dx); |
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} |
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|
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void |
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drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert) { |
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char buf[256]; |
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int i, tx, ty, len, olen; |
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Extnts tex; |
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if(!drw || !drw->fg || !drw->bg) |
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return; |
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XSetForeground(drw->dpy, drw->gc, invert ? drw->fg->rgb : drw->bg->rgb); |
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XFillRectangle(drw->dpy, drw->drwable, drw->gc, x, y, w, h); |
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if(!text || !drw->font) |
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return; |
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olen = strlen(text); |
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drw_getexts(drw, text, olen, &tex); |
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ty = y + (h / 2) - tex.yOff; |
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tx = x + tex.xOff; |
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/* shorten text if necessary */ |
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for(len = MIN(olen, sizeof buf); len && tex.w > w - tex.h; len--) |
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drw_getexts(drw, text, len, &tex); |
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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(drw->dpy, drw->gc, invert ? drw->bg->rgb : drw->fg->rgb); |
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if(drw->font->set) |
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XmbDrawString(drw->dpy, drw->drwable, drw->font->set, drw->gc, tx, ty, buf, len); |
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else |
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XDrawString(drw->dpy, drw->drwable, drw->gc, tx, ty, buf, len); |
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} |
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|
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void |
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drw_map(Drw *drw, int x, int y, unsigned int w, unsigned int h) { |
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if(!drw) |
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return; |
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XCopyArea(drw->dpy, drw->drwable, drw->win, drw->gc, x, y, w, h, x, y); |
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XSync(drw->dpy, False); |
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} |
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|
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|
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void |
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drw_getexts(Drw *drw, const char *text, unsigned int len, Extnts *tex) { |
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XRectangle r; |
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|
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if(!drw || !drw->font || !text) |
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return; |
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if(drw->font->set) { |
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XmbTextExtents(drw->font->set, text, len, NULL, &r); |
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tex->xOff = r.x; |
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tex->yOff = r.y; |
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tex->w = r.width; |
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tex->h = r.height; |
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} |
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else { |
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tex->h = drw->font->ascent + drw->font->descent; |
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tex->w = XTextWidth(drw->font->xfont, text, len); |
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tex->xOff = tex->h / 2; |
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tex->yOff = (tex->h / 2) + drw->font->ascent; |
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} |
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} |
@ -0,0 +1,61 @@ |
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/* See LICENSE file for copyright and license details. */ |
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|
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typedef struct { |
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unsigned long rgb; |
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} Clr; |
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|
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typedef struct { |
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int ascent; |
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int descent; |
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unsigned int h; |
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XFontSet set; |
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XFontStruct *xfont; |
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} Fnt; |
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|
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typedef struct { |
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unsigned int w, h; |
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Display *dpy; |
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int screen; |
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Window win; |
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Drawable drwable; |
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GC gc; |
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Clr *fg; |
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Clr *bg; |
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Fnt *font; |
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} Drw; |
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|
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typedef struct { |
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unsigned int w; |
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unsigned int h; |
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int xOff; |
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int yOff; |
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} Extnts; |
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|
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/* Drawable abstraction */ |
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Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h); |
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void drw_resize(Drw *drw, unsigned int w, unsigned int h); |
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void drw_free(Drw *drw); |
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|
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/* Fnt abstraction */ |
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Fnt *drw_font_create(Drw *drw, const char *fontname); |
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void drw_font_free(Drw *drw, Fnt *font); |
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|
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/* Clrour abstraction */ |
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Clr *drw_clr_create(Drw *drw, const char *clrname); |
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void drw_clr_free(Drw *drw, Clr *clr); |
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|
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/* Drawing context manipulation */ |
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void drw_setfont(Drw *drw, Fnt *font); |
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void drw_setfg(Drw *drw, Clr *clr); |
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void drw_setbg(Drw *drw, Clr *clr); |
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|
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/* Drawing functions */ |
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void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert); |
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void drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert); |
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|
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/* Map functions */ |
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void drw_map(Drw *drw, int x, int y, unsigned int w, unsigned int h); |
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|
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/* Text functions */ |
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void drw_getexts(Drw *drw, const char *text, unsigned int len, Extnts *extnts); |
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Loading…
Reference in new issue