removed DDC, all is Draw-dependent

This commit is contained in:
anselm@garbe.us 2012-11-18 17:52:42 +01:00
parent 0a673ad7a3
commit c0ba635c50
2 changed files with 40 additions and 82 deletions

65
draw.c
View file

@ -35,28 +35,6 @@ draw_free(Draw *draw) {
free(draw); 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 * Fnt *
font_create(const char *fontname) { font_create(const char *fontname) {
Fnt *font = (Fnt *)calloc(1, sizeof(Fnt)); Fnt *font = (Fnt *)calloc(1, sizeof(Fnt));
@ -88,57 +66,50 @@ col_free(Col *col) {
} }
void void
dc_setfont(DDC *dc, Fnt *font) { draw_setfont(Draw *draw, Fnt *font) {
if(!dc || !font) if(!draw || !font)
return; return;
dc->font = font; draw->font = font;
} }
void void
dc_setfg(DDC *dc, Col *col) { draw_setfg(Draw *draw, Col *col) {
if(!dc || !col) if(!draw || !col)
return; return;
dc->fg = col; draw->fg = col;
} }
void void
dc_setbg(DDC *dc, Col *col) { draw_setbg(Draw *draw, Col *col) {
if(!dc || !col) if(!draw || !col)
return; return;
dc->bg = col; draw->bg = col;
} }
void void
dc_setfill(DDC *dc, Bool fill) { draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
if(!dc) if(!draw)
return;
dc->fill = fill;
}
void
dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
if(!dc)
return; return;
/* TODO: draw the rectangle */ /* TODO: draw the rectangle */
} }
void void
dc_drawtext(DDC *dc, int x, int y, const char *text) { draw_text(Draw *draw, int x, int y, const char *text) {
if(!dc) if(!draw)
return; return;
/* TODO: draw the text */ /* TODO: draw the text */
} }
void void
dc_map(DDC *dc, int x, int y, unsigned int w, unsigned int h) { draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
if(!dc) if(!draw)
return; return;
/* TODO: map the dc contents in the region */ /* TODO: map the draw contents in the region */
} }
void void
dc_getextents(DDC *dc, const char *text, TextExtents *extents) { draw_getextents(Draw *draw, const char *text, TextExtents *extents) {
if(!dc || !extents) if(!draw || !extents)
return; return;
/* TODO: get extents */ /* TODO: get extents */
} }

57
draw.h
View file

@ -1,19 +1,5 @@
/* See LICENSE file for copyright and license details. */ /* See LICENSE file for copyright and license details. */
typedef struct _DDC DDC;
/* X11 types - begin */
typedef struct _XDraw Draw;
struct _XDraw {
unsigned int w, h;
Display *dpy;
int screen;
Window win;
Drawable drawable;
GC gc;
DDC *dc;
};
struct _XCol { struct _XCol {
unsigned long rgb; unsigned long rgb;
}; };
@ -29,15 +15,6 @@ struct _XFont {
typedef struct _XFont Fnt; typedef struct _XFont Fnt;
/* X11 types - end */ /* X11 types - end */
struct _DDC {
Draw *draw;
Col *fg;
Col *bg;
Fnt *font;
Bool fill;
DDC *next;
};
typedef struct { typedef struct {
unsigned int w; unsigned int w;
unsigned int h; unsigned int h;
@ -47,15 +24,26 @@ typedef struct {
int yOff; int yOff;
} TextExtents; } 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 */ /* Drawable abstraction */
Draw *draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h); 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_resize(Draw *draw, unsigned int w, unsigned int h);
void draw_free(Draw *draw); void draw_free(Draw *draw);
/* Drawing context abstraction */
DDC *dc_create(Draw *draw);
void dc_free(DDC *dc);
/* Fnt abstraction */ /* Fnt abstraction */
Fnt *font_create(const char *fontname); Fnt *font_create(const char *fontname);
void font_free(Fnt *font); void font_free(Fnt *font);
@ -65,18 +53,17 @@ Col *col_create(const char *colname);
void col_free(Col *col); void col_free(Col *col);
/* Drawing context manipulation */ /* Drawing context manipulation */
void dc_setfont(DDC *dc, Fnt *font); void draw_setfont(Draw *draw, Fnt *font);
void dc_setfg(DDC *dc, Col *col); void draw_setfg(Draw *draw, Col *col);
void dc_setbg(DDC *dc, Col *col); void draw_setbg(Draw *draw, Col *col);
void dc_setfill(DDC *dc, Bool fill);
/* Drawing functions */ /* Drawing functions */
void dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h); void draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h);
void dc_drawtext(DDC *dc, int x, int y, const char *text); void draw_text(Draw *draw, int x, int y, const char *text);
/* Map functions */ /* Map functions */
void dc_map(DDC *dc, int x, int y, unsigned int w, unsigned int h); void draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h);
/* Text functions */ /* Text functions */
void dc_getextents(DDC *dc, const char *text, TextExtents *extents); void draw_getextents(Draw *draw, const char *text, TextExtents *extents);