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xlib backend: implemented arc commands

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This commit is contained in:
Richard Gill 2022-10-12 22:08:08 +02:00
parent 96eca2ecc3
commit d63f106334
2 changed files with 62 additions and 4 deletions
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33
demo/x11/nuklear_xlib.h
View File

@ -357,6 +357,29 @@ nk_xsurf_stroke_circle(XSurface *surf, short x, short y, unsigned short w,
XSetLineAttributes(surf->dpy, surf->gc, 1, LineSolid, CapButt, JoinMiter);
}
NK_INTERN void
nk_xsurf_stroke_arc(XSurface *surf, short cx, short cy, unsigned short radius,
float a_min, float a_max, unsigned short line_thickness, struct nk_color col)
{
unsigned long c = nk_color_from_byte(&col.r);
XSetLineAttributes(surf->dpy, surf->gc, line_thickness, LineSolid, CapButt, JoinMiter);
XSetForeground(surf->dpy, surf->gc, c);
XDrawArc(surf->dpy, surf->drawable, surf->gc, (int)(cx - radius), (int)(cy - radius),
(unsigned)(radius * 2), (unsigned)(radius * 2),
(int)(a_min * 180 * 64 / NK_PI), (int)(a_max * 180 * 64 / NK_PI));
}
NK_INTERN void
nk_xsurf_fill_arc(XSurface *surf, short cx, short cy, unsigned short radius,
float a_min, float a_max, struct nk_color col)
{
unsigned long c = nk_color_from_byte(&col.r);
XSetForeground(surf->dpy, surf->gc, c);
XFillArc(surf->dpy, surf->drawable, surf->gc, (int)(cx - radius), (int)(cy - radius),
(unsigned)(radius * 2), (unsigned)(radius * 2),
(int)(a_min * 180 * 64 / NK_PI), (int)(a_max * 180 * 64 / NK_PI));
}
NK_INTERN void
nk_xsurf_stroke_curve(XSurface *surf, struct nk_vec2i p1,
struct nk_vec2i p2, struct nk_vec2i p3, struct nk_vec2i p4,
@ -912,6 +935,14 @@ nk_xlib_render(Drawable screen, struct nk_color clear)
const struct nk_command_circle_filled *c = (const struct nk_command_circle_filled *)cmd;
nk_xsurf_fill_circle(surf, c->x, c->y, c->w, c->h, c->color);
} break;
case NK_COMMAND_ARC: {
const struct nk_command_arc *a = (const struct nk_command_arc *)cmd;
nk_xsurf_stroke_arc(surf, a->cx, a->cy, a->r, a->a[0], a->a[1], a->line_thickness, a->color);
} break;
case NK_COMMAND_ARC_FILLED: {
const struct nk_command_arc_filled *a = (const struct nk_command_arc_filled *)cmd;
nk_xsurf_fill_arc(surf, a->cx, a->cy, a->r, a->a[0], a->a[1], a->color);
} break;
case NK_COMMAND_TRIANGLE: {
const struct nk_command_triangle*t = (const struct nk_command_triangle*)cmd;
nk_xsurf_stroke_triangle(surf, t->a.x, t->a.y, t->b.x, t->b.y,
@ -949,8 +980,6 @@ nk_xlib_render(Drawable screen, struct nk_color clear)
nk_xsurf_draw_image(surf, i->x, i->y, i->w, i->h, i->img, i->col);
} break;
case NK_COMMAND_RECT_MULTI_COLOR:
case NK_COMMAND_ARC:
case NK_COMMAND_ARC_FILLED:
case NK_COMMAND_CUSTOM:
default: break;
}

33
demo/x11_xft/nuklear_xlib.h
View File

@ -389,6 +389,29 @@ nk_xsurf_stroke_circle(XSurface *surf, short x, short y, unsigned short w,
XSetLineAttributes(surf->dpy, surf->gc, 1, LineSolid, CapButt, JoinMiter);
}
NK_INTERN void
nk_xsurf_stroke_arc(XSurface *surf, short cx, short cy, unsigned short radius,
float a_min, float a_max, unsigned short line_thickness, struct nk_color col)
{
unsigned long c = nk_color_from_byte(&col.r);
XSetLineAttributes(surf->dpy, surf->gc, line_thickness, LineSolid, CapButt, JoinMiter);
XSetForeground(surf->dpy, surf->gc, c);
XDrawArc(surf->dpy, surf->drawable, surf->gc, (int)(cx - radius), (int)(cy - radius),
(unsigned)(radius * 2), (unsigned)(radius * 2),
(int)(a_min * 180 * 64 / NK_PI), (int)(a_max * 180 * 64 / NK_PI));
}
NK_INTERN void
nk_xsurf_fill_arc(XSurface *surf, short cx, short cy, unsigned short radius,
float a_min, float a_max, struct nk_color col)
{
unsigned long c = nk_color_from_byte(&col.r);
XSetForeground(surf->dpy, surf->gc, c);
XFillArc(surf->dpy, surf->drawable, surf->gc, (int)(cx - radius), (int)(cy - radius),
(unsigned)(radius * 2), (unsigned)(radius * 2),
(int)(a_min * 180 * 64 / NK_PI), (int)(a_max * 180 * 64 / NK_PI));
}
NK_INTERN void
nk_xsurf_stroke_curve(XSurface *surf, struct nk_vec2i p1,
struct nk_vec2i p2, struct nk_vec2i p3, struct nk_vec2i p4,
@ -997,6 +1020,14 @@ nk_xlib_render(Drawable screen, struct nk_color clear)
const struct nk_command_circle_filled *c = (const struct nk_command_circle_filled *)cmd;
nk_xsurf_fill_circle(surf, c->x, c->y, c->w, c->h, c->color);
} break;
case NK_COMMAND_ARC: {
const struct nk_command_arc *a = (const struct nk_command_arc *)cmd;
nk_xsurf_stroke_arc(surf, a->cx, a->cy, a->r, a->a[0], a->a[1], a->line_thickness, a->color);
} break;
case NK_COMMAND_ARC_FILLED: {
const struct nk_command_arc_filled *a = (const struct nk_command_arc_filled *)cmd;
nk_xsurf_fill_arc(surf, a->cx, a->cy, a->r, a->a[0], a->a[1], a->color);
} break;
case NK_COMMAND_TRIANGLE: {
const struct nk_command_triangle*t = (const struct nk_command_triangle*)cmd;
nk_xsurf_stroke_triangle(surf, t->a.x, t->a.y, t->b.x, t->b.y,
@ -1034,8 +1065,6 @@ nk_xlib_render(Drawable screen, struct nk_color clear)
nk_xsurf_draw_image(surf, i->x, i->y, i->w, i->h, i->img, i->col);
} break;
case NK_COMMAND_RECT_MULTI_COLOR:
case NK_COMMAND_ARC:
case NK_COMMAND_ARC_FILLED:
case NK_COMMAND_CUSTOM:
default: break;
}