From 87adcd263b1fc75f7eb3172dac55ca641fd7a96a Mon Sep 17 00:00:00 2001 From: "anselm@garbe.us" Date: Sat, 17 Nov 2012 19:01:22 +0100 Subject: starting with initial draw.h --- draw.h | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 draw.h (limited to 'draw.h') diff --git a/draw.h b/draw.h new file mode 100644 index 0000000..955067d --- /dev/null +++ b/draw.h @@ -0,0 +1,76 @@ +/* See LICENSE file for copyright and license details. */ + +/* X11 types - begin */ +struct _XDraw { + unsigned int w, h; + Display *dpy; + Drawable drawable; + GC gc; +}; +typedef struct _XDraw Draw; + +struct _XCol { + unsigned long rgb; +}; +typedef struct _XCol Col; + +struct _XFont { + int ascent; + int descent; + unsigned int h, w; + XFontSet set; + XFontStruct *xfont; +}; +typedef struct _XFont Fnt; +/* X11 types - end */ + +typedef struct { + Draw *draw; + Col *fg; + Col *bg; + Fnt *font; + Bool fill; +} DDC; + +typedef struct { + unsigned int w; + unsigned int h; + int x; + int y; + int xOff; + int yOff; +} TextExtents; + +/* Drawable abstraction */ +Draw *draw_create(Display *dpy, Window win, unsigned int w, unsigned int h); +void draw_resize(Draw *draw, unsigned int w, unsigned int h); +void draw_free(Draw *draw); + +/* Drawing context abstraction */ +DDC *dc_create(Draw *draw); +void dc_free(DDC *dc); + +/* Fnt abstraction */ +Fnt *font_create(const char *fontname); +void font_free(Fnt *font); + +/* Colour abstraction */ +Col *col_create(const char *colname); +void col_free(Col *col); + +/* Drawing context manipulation */ +void dc_setfont(DDC *dc, Fnt *font); +void dc_setfg(DDC *dc, Col col); +void dc_setbg(DDC *dc, Col col); +void dc_setfill(DDC *dc, Bool fill); + +/* Drawing functions */ +void dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h); +void dc_drawtext(DDC *dc, int x, int y, const char *text); + +/* Map functions */ +void dc_map(DDC *dc, int x, int y, unsigned int w, unsigned int h); + +/* Text functions */ +void dc_getextents(DDC *dc, const char *text, TextExtents *extents); + -- cgit v1.2.3