-/*
- * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-
-#include <stdio.h>
-#include <string.h>
+/* See LICENSE file for copyright and license details. */
+#include <stdlib.h>
+#include <X11/Xlib.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->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);
+Draw *
+draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) {
+ Draw *draw = (Draw *)calloc(1, sizeof(Draw));
+ draw->dpy = dpy;
+ draw->screen = screen;
+ draw->win = win;
+ draw->w = w;
+ draw->h = h;
+ draw->drawable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen));
+ draw->gc = XCreateGC(dpy, win, 0, NULL);
+ XSetLineAttributes(dpy, draw->gc, 1, LineSolid, CapButt, JoinMiter);
+ return draw;
}
void
-draw(Display *dpy, Brush *b, Bool border, const char *text)
-{
- unsigned int x, y, w, h, len;
- static char buf[256];
- XGCValues gcv;
-
- XSetForeground(dpy, b->gc, b->bg);
- XFillRectangles(dpy, b->drawable, b->gc, &b->rect, 1);
-
- if(border)
- drawborder(dpy, b);
-
- if(!text)
+draw_resize(Draw *draw, unsigned int w, unsigned int h) {
+ if(!draw)
return;
+ draw->w = w;
+ draw->h = h;
+ XFreePixmap(draw->dpy, draw->drawable);
+ draw->drawable = XCreatePixmap(draw->dpy, draw->win, w, h, DefaultDepth(draw->dpy, draw->screen));
+}
- len = strlen(text);
- if(len >= sizeof(buf))
- len = sizeof(buf) - 1;
- memcpy(buf, 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);
+void
+draw_free(Draw *draw) {
+ XFreePixmap(draw->dpy, draw->drawable);
+ XFreeGC(draw->dpy, draw->gc);
+ free(draw);
+}
- /* shorten text if necessary */
- while(len && (w = textwidth_l(&b->font, buf, len)) > b->rect.width - h)
- buf[--len] = 0;
+Fnt *
+font_create(const char *fontname) {
+ Fnt *font = (Fnt *)calloc(1, sizeof(Fnt));
+ /* TODO: allocate actual font */
+ return font;
+}
- if(w > b->rect.width)
- return; /* too long */
+void
+font_free(Fnt *font) {
+ if(!font)
+ return;
+ /* TODO: deallocate any font resources */
+ free(font);
+}
- gcv.foreground = b->fg;
- gcv.background = b->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);
- }
+Col *
+col_create(const char *colname) {
+ Col *col = (Col *)calloc(1, sizeof(Col));
+ /* TODO: allocate color */
+ return col;
}
-static unsigned long
-xloadcolors(Display *dpy, Colormap cmap, const char *colstr)
-{
- XColor color;
- XAllocNamedColor(dpy, cmap, colstr, &color, &color);
- return color.pixel;
+void
+col_free(Col *col) {
+ if(!col)
+ return;
+ /* TODO: deallocate any color resource */
+ free(col);
}
void
-loadcolors(Display *dpy, int screen, Brush *b,
- const char *bg, const char *fg, const char *border)
-{
- Colormap cmap = DefaultColormap(dpy, screen);
- b->bg = xloadcolors(dpy, cmap, bg);
- b->fg = xloadcolors(dpy, cmap, fg);
- b->border = xloadcolors(dpy, cmap, border);
+draw_setfont(Draw *draw, Fnt *font) {
+ if(!draw || !font)
+ return;
+ draw->font = font;
}
-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);
+void
+draw_setfg(Draw *draw, Col *col) {
+ if(!draw || !col)
+ return;
+ draw->fg = col;
}
-unsigned int
-textwidth(Fnt *font, char *text)
-{
- return textwidth_l(font, text, strlen(text));
+void
+draw_setbg(Draw *draw, Col *col) {
+ if(!draw || !col)
+ return;
+ draw->bg = col;
}
void
-loadfont(Display *dpy, Fnt *font, const char *fontstr)
-{
- char **missing, *def;
- int n;
+draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
+ if(!draw)
+ return;
+ /* TODO: draw the rectangle */
+}
- missing = NULL;
- 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 = NULL;
- }
- }
- if(font->set) {
- XFontSetExtents *font_extents;
- XFontStruct **xfonts;
- char **font_names;
- unsigned int i;
+void
+draw_text(Draw *draw, int x, int y, const char *text) {
+ if(!draw)
+ return;
+ /* TODO: draw the text */
+}
- 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 = NULL;
- 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;
- }
- font->height = font->ascent + font->descent;
+void
+draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
+ if(!draw)
+ return;
+ /* TODO: map the draw contents in the region */
}
-unsigned int
-labelheight(Fnt *font)
-{
- return font->height + 4;
+void
+draw_getextents(Draw *draw, const char *text, TextExtents *extents) {
+ if(!draw || !extents)
+ return;
+ /* TODO: get extents */
}
Got questions, comments, patches, etc.? Contact Jason Woofenden