draw.h
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/* See LICENSE file for copyright and license details. */
struct _XCol {
unsigned long rgb;
};
typedef struct _XCol Col;
struct _XFont {
int ascent;
int descent;
unsigned int h;
XFontSet set;
XFontStruct *xfont;
};
typedef struct _XFont Fnt;
/* X11 types - end */
typedef struct {
unsigned int w;
unsigned int h;
int x;
int y;
int xOff;
int yOff;
} TextExtents;
/* X11 types - begin */
typedef struct _XDraw Draw;
struct _XDraw {
unsigned int w, h;
Display *dpy;
int screen;
Window win;
Drawable drawable;
GC gc;
Col *fg;
Col *bg;
Fnt *font;
};
/* Drawable abstraction */
Draw *draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h);
void draw_resize(Draw *draw, unsigned int w, unsigned int h);
void draw_free(Draw *draw);
/* Fnt abstraction */
Fnt *draw_font_create(Draw *draw, const char *fontname);
void draw_font_free(Draw *draw, Fnt *font);
/* Colour abstraction */
Col *draw_col_create(Draw *draw, const char *colname);
void draw_col_free(Draw *draw, Col *col);
/* Drawing context manipulation */
void draw_setfont(Draw *draw, Fnt *font);
void draw_setfg(Draw *draw, Col *col);
void draw_setbg(Draw *draw, Col *col);
/* Drawing functions */
void draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h);
void draw_text(Draw *draw, int x, int y, const char *text);
/* Map functions */
void draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h);
/* Text functions */
void draw_getextents(Draw *draw, const char *text, TextExtents *extents);