draw.c
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/* See LICENSE file for copyright and license details. */
#include <stdlib.h>
#include <X11/Xlib.h>
#include "draw.h"
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_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));
}
void
draw_free(Draw *draw) {
XFreePixmap(draw->dpy, draw->drawable);
XFreeGC(draw->dpy, draw->gc);
free(draw);
}
DDC *
dc_create(Draw *draw) {
DDC *dc = (DDC *)calloc(1, sizeof(DDC));
dc->draw = draw;
dc->next = draw->dc;
draw->dc = dc;
return dc;
}
void
dc_free(DDC *dc) {
DDC **tdc;
if(!dc)
return;
/* remove from dc list */
for(tdc = &dc->draw->dc; *tdc && *tdc != dc; tdc = &(*tdc)->next);
*tdc = dc->next;
/* TODO: deallocate any resources of this dc, if needed */
free(dc);
}
Fnt *
font_create(const char *fontname) {
Fnt *font = (Fnt *)calloc(1, sizeof(Fnt));
/* TODO: allocate actual font */
return font;
}
void
font_free(Fnt *font) {
if(!font)
return;
/* TODO: deallocate any font resources */
free(font);
}
Col *
col_create(const char *colname) {
Col *col = (Col *)calloc(1, sizeof(Col));
/* TODO: allocate color */
return col;
}
void
col_free(Col *col) {
if(!col)
return;
/* TODO: deallocate any color resource */
free(col);
}
void
dc_setfont(DDC *dc, Fnt *font) {
if(!dc || !font)
return;
dc->font = font;
}
void
dc_setfg(DDC *dc, Col *col) {
if(!dc || !col)
return;
dc->fg = col;
}
void
dc_setbg(DDC *dc, Col *col) {
if(!dc || !col)
return;
dc->bg = col;
}
void
dc_setfill(DDC *dc, Bool fill) {
if(!dc)
return;
dc->fill = fill;
}
void
dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
if(!dc)
return;
/* TODO: draw the rectangle */
}
void
dc_drawtext(DDC *dc, int x, int y, const char *text) {
if(!dc)
return;
/* TODO: draw the text */
}
void
dc_map(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
if(!dc)
return;
/* TODO: map the dc contents in the region */
}
void
dc_getextents(DDC *dc, const char *text, TextExtents *extents) {
if(!dc || !extents)
return;
/* TODO: get extents */
}