1/* See LICENSE file for copyright and license details. */
  2#include <stdlib.h>
  3#include <X11/Xlib.h>
  4
  5#include "draw.h"
  6
  7Draw *
  8draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) {
  9	Draw *draw = (Draw *)calloc(1, sizeof(Draw));
 10	draw->dpy = dpy;
 11	draw->screen = screen;
 12	draw->win = win;
 13	draw->w = w;
 14	draw->h = h;
 15	draw->drawable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen));
 16	draw->gc = XCreateGC(dpy, win, 0, NULL);
 17	XSetLineAttributes(dpy, draw->gc, 1, LineSolid, CapButt, JoinMiter);
 18	return draw;
 19}
 20
 21void
 22draw_resize(Draw *draw, unsigned int w, unsigned int h) {
 23	if(!draw)
 24		return;
 25	draw->w = w;
 26	draw->h = h;
 27	XFreePixmap(draw->dpy, draw->drawable);
 28	draw->drawable = XCreatePixmap(draw->dpy, draw->win, w, h, DefaultDepth(draw->dpy, draw->screen));
 29}
 30
 31void
 32draw_free(Draw *draw) {
 33	XFreePixmap(draw->dpy, draw->drawable);
 34	XFreeGC(draw->dpy, draw->gc);
 35	free(draw);
 36}
 37
 38DDC *
 39dc_create(Draw *draw) {
 40	DDC *dc = (DDC *)calloc(1, sizeof(DDC));
 41	dc->draw = draw;
 42	dc->next = draw->dc;
 43	draw->dc = dc;
 44	return dc;
 45}
 46
 47void
 48dc_free(DDC *dc) {
 49	DDC **tdc;
 50
 51	if(!dc)
 52		return;
 53	/* remove from dc list */
 54	for(tdc = &dc->draw->dc; *tdc && *tdc != dc; tdc = &(*tdc)->next);
 55	*tdc = dc->next;
 56	/* TODO: deallocate any resources of this dc, if needed */
 57	free(dc);
 58}
 59
 60Fnt *
 61font_create(const char *fontname) {
 62	Fnt *font = (Fnt *)calloc(1, sizeof(Fnt));
 63	/* TODO: allocate actual font */
 64	return font;
 65}
 66
 67void
 68font_free(Fnt *font) {
 69	if(!font)
 70		return;
 71	/* TODO: deallocate any font resources */
 72	free(font);
 73}
 74
 75Col *
 76col_create(const char *colname) {
 77	Col *col = (Col *)calloc(1, sizeof(Col));
 78	/* TODO: allocate color */
 79	return col;
 80}
 81
 82void
 83col_free(Col *col) {
 84	if(!col)
 85		return;
 86	/* TODO: deallocate any color resource */
 87	free(col);
 88}
 89
 90void
 91dc_setfont(DDC *dc, Fnt *font) {
 92	if(!dc || !font)
 93		return;
 94	dc->font = font;
 95}
 96
 97void
 98dc_setfg(DDC *dc, Col *col) {
 99	if(!dc || !col) 
100		return;
101	dc->fg = col;
102}
103
104void
105dc_setbg(DDC *dc, Col *col) {
106	if(!dc || !col)
107		return;
108	dc->bg = col;
109}
110
111void
112dc_setfill(DDC *dc, Bool fill) {
113	if(!dc)
114		return;
115	dc->fill = fill;
116}
117
118void
119dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
120	if(!dc)
121		return;
122	/* TODO: draw the rectangle */
123}
124
125void
126dc_drawtext(DDC *dc, int x, int y, const char *text) {
127	if(!dc)
128		return;
129	/* TODO: draw the text */
130}
131
132void
133dc_map(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
134	if(!dc)
135		return;
136	/* TODO: map the dc contents in the region */
137}
138
139void
140dc_getextents(DDC *dc, const char *text, TextExtents *extents) {
141	if(!dc || !extents)
142		return;
143	/* TODO: get extents */
144}