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C++ Dy函数代码示例

本文整理汇总了C++中Dy函数的典型用法代码示例。如果您正苦于以下问题：C++ Dy函数的具体用法？C++ Dy怎么用？C++ Dy使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了Dy函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: colresize

void
colresize(Column *c, Rectangle r)
{
	int i;
	Rectangle r1, r2;
	Window *w;

	clearmouse();
	textresize(&c->tag, r, TRUE);
	draw(screen, c->tag.scrollr, tagcols[TEXT], nil, ZP);
	c->r = r;

	r1 = r;
	for(i=0; i<c->nw; i++){
		w = c->w[i];
		w->maxlines = 0;
		if(i == c->nw-1)
			r1.max.y = r.max.y;
		else
			r1.max.y = r1.min.y+(Dy(w->r)+Border)*Dy(r)/Dy(c->r);
		r1.max.y = max(r1.max.y, r1.min.y + Border+font->height);
		r2 = r1;
		r2.max.y = r2.min.y+Border;
		draw(screen, r2, display->black, nil, ZP);
		r1.min.y = r2.max.y;
		r1.min.y = winresize(w, r1, FALSE, i==c->nw-1);
	}
}
开发者ID:fr1tz，项目名称:nadir，代码行数:28，代码来源:cols.c

示例2: textresize

int
textresize(Text *t, Rectangle r, int keepextra)
{
	int odx;

	if(Dy(r) <= 0)
		r.max.y = r.min.y;
	else if(!keepextra)
		r.max.y -= Dy(r)%t->fr.font->height;
	odx = Dx(t->all);
	t->all = r;
	t->scrollr = r;
	t->scrollr.max.x = r.min.x+Scrollwid;
	t->lastsr = nullrect;
	r.min.x += Scrollwid+Scrollgap;
	frclear(&t->fr, 0);
	textredraw(t, r, t->fr.font, t->fr.b, odx);
	if(keepextra && t->fr.r.max.y < t->all.max.y && !t->fr.noredraw){
		/* draw background in bottom fringe of window */
		r.min.x -= Scrollgap;
		r.min.y = t->fr.r.max.y;
		r.max.y = t->all.max.y;
		draw(screen, r, t->fr.cols[BACK], nil, ZP);
	}
	return t->all.max.y;
}
开发者ID:00001，项目名称:plan9port，代码行数:26，代码来源:text.c

示例3: grabmouse

void
grabmouse(void*)
{
	int fd, x, y;
	char ibuf[256], obuf[256];

	if(debug)
		return;
	fd = open("/dev/mouse", ORDWR);
	if(fd < 0)
		error("can't open /dev/mouse: %r");

	snprint(obuf, sizeof obuf, "m %d %d",
		screen->r.min.x + Dx(screen->r)/2,
		screen->r.min.y + Dy(screen->r)/2);
	while(read(fd, ibuf, sizeof ibuf) > 0){
		ibuf[12] = 0;
		ibuf[24] = 0;
		x = atoi(ibuf+1);
		y = atoi(ibuf+13);
		if(x != screen->r.min.x + Dx(screen->r)/2 ||
		   y != screen->r.min.y + Dy(screen->r)/2){
			fprint(fd, "%s", obuf);
			doblank = 1;
		}
	}
}
开发者ID:CoryXie，项目名称:nix-os，代码行数:27，代码来源:screenlock.c

示例4: colresize

void
colresize(Column *c, Rectangle r)
{
	int i;
	Rectangle r1, r2;
	Window *w;

	clearmouse();
	r1 = r;
	r1.max.y = r1.min.y + c->tag.font->height;
	textresize(&c->tag, r1);
	draw(screen, c->tag.scrollr, colbutton, nil, colbutton->r.min);
	r1.min.y = r1.max.y;
	r1.max.y += Border;
	draw(screen, r1, display->black, nil, ZP);
	r1.max.y = r.max.y;
	for(i=0; i<c->nw; i++){
		w = c->w[i];
		w->maxlines = 0;
		if(i == c->nw-1)
			r1.max.y = r.max.y;
		else
			r1.max.y = r1.min.y+(Dy(w->r)+Border)*Dy(r)/Dy(c->r);
		r2 = r1;
		r2.max.y = r2.min.y+Border;
		draw(screen, r2, display->black, nil, ZP);
		r1.min.y = r2.max.y;
		r1.min.y = winresize(w, r1, FALSE);
	}
	c->r = r;
}
开发者ID:dalmonian，项目名称:harvey，代码行数:31，代码来源:cols.c

示例5: pix2board

Point 
pix2board(int x, int y)
{
	float d, rx, ry, yh;
	int ny, nx;

	/* XXX: float→int causes small rounding errors */

	d = (float)(Dx(screen->r) > Dy(screen->r)) ? Dy(screen->r) -20: Dx(screen->r)-20;
	rx = d/(float)SzX;
	rx = rx/2.0;
	ry =d/(float)SzY;
	ry = ry/2.0;

	yh = ry/3.73205082;

	/* reverse board2pix() */
	ny = (int)(((float)y - ry)/(2*ry - ((y>2*ry)?yh:0.0)) + 0.5); /* ny = (y - ry)/(2ry-yh) */
	nx = (int)(((float)x - rx - (ny%2?rx:0.0))/(rx*2.0) + 0.5); /* nx = (x - rx - rx)/2rx */
	
	if (nx >= SzX)
		nx = SzX-1;
	if (ny >=SzY)
		ny = SzY-1;

	return Pt(nx, ny);
}
开发者ID:grobe0ba，项目名称:plan9front，代码行数:27，代码来源:glendy.c

示例6: showpage

void
showpage(int page, Menu *m)
{
	if(doc->fwdonly)
		m->lasthit = 0;	/* this page */
	else
		m->lasthit = reverse ? doc->npage-1-page : page;

	esetcursor(&reading);
	delayfreeimage(nil);
	im = cachedpage(doc, angle, page);
	if(im == nil)
		wexits(0);
	if(resizing)
		resize(Dx(im->r), Dy(im->r));

	esetcursor(nil);
	if(showbottom){
		ul.y = screen->r.max.y - Dy(im->r);
		showbottom = 0;
	}

	redraw(screen);
	flushimage(display, 1);
}
开发者ID:dancrossnyc，项目名称:harvey，代码行数:25，代码来源:view.c

示例7: resize

void
resize(void)
{
	Rectangle old, r;
	int dxo, dyo, dxn, dyn;
	Win *w;
	
	old = screen->r;
	dxo = Dx(old);
	dyo = Dy(old);
	if(getwindow(display, Refnone) < 0)
		sysfatal("resize failed: %r");
	dxn = Dx(screen->r);
	dyn = Dy(screen->r);
	freescreen(scr);
	scr = allocscreen(screen, display->white, 0);
	if(scr == nil)
		sysfatal("allocscreen: %r");
	for(w = wlist.next; w != &wlist; w = w->next){
		r = rectsubpt(w->entire, old.min);
		r.min.x = muldiv(r.min.x, dxn, dxo);
		r.max.x = muldiv(r.max.x, dxn, dxo);
		r.min.y = muldiv(r.min.y, dyn, dyo);
		r.max.y = muldiv(r.max.y, dyn, dyo);
		w->entire = rectaddpt(r, screen->r.min);
		w->inner = insetrect(w->entire, BORDSIZ);
		freeimage(w->im);
		w->im = allocwindow(scr, w->entire, Refbackup, 0);
		if(w->im == nil)
			sysfatal("allocwindow: %r");
		draw(w->im, w->inner, w->tab->cols[BACK], nil, ZP);
		border(w->im, w->entire, BORDSIZ, w->tab->cols[w == actw ? BORD : DISB], ZP);
		w->tab->draw(w);
	}
}
开发者ID:grobe0ba，项目名称:plan9front，代码行数:35，代码来源:win.c

示例8: stack_info

void
stack_info(Frame *f, Frame **firstp, Frame **lastp, int *dyp, int *nframep) {
    Frame *ft, *first, *last;
    int dy, nframe;

    nframe = 0;
    dy = 0;
    first = f;
    last = f;

    for(ft=f; ft && ft->collapsed; ft=ft->anext)
        ;
    if(ft && ft != f) {
        f = ft;
        dy += Dy(f->colr);
    }
    for(ft=f; ft && !ft->collapsed; ft=ft->aprev) {
        first = ft;
        nframe++;
        dy += Dy(ft->colr);
    }
    for(ft=f->anext; ft && !ft->collapsed; ft=ft->anext) {
        if(first == nil)
            first = ft;
        last = ft;
        nframe++;
        dy += Dy(ft->colr);
    }
    if(nframep) *nframep = nframe;
    if(firstp) *firstp = first;
    if(lastp) *lastp = last;
    if(dyp) *dyp = dy;
}
开发者ID:kaffepanna，项目名称:wmii，代码行数:33，代码来源:stack.c

示例9: tkcvsrectdraw

void
tkcvsrectdraw(Image *img, TkCitem *i, TkEnv *pe)
{
	int lw, rw;
	TkEnv *e;
	TkCrect *r;
	Rectangle d, rr;
	Point tr, bl;
	Image *pen;

	USED(pe);

	d.min = i->p.drawpt[0];
	d.max = i->p.drawpt[1];

	e = i->env;
	r = TKobj(TkCrect, i);

	pen = nil;
	if((e->set & (1<<TkCfill)))
		pen = tkgc(e, TkCfill);

	if(pen != nil)
		draw(img, d, pen, r->stipple, d.min);

	tr.x = d.max.x;
	tr.y = d.min.y;
	bl.x = d.min.x;
	bl.y = d.max.y;

	rw = (TKF2I(r->width) + 1)/2;
	if(rw <= 0)
		return;
	lw = (TKF2I(r->width))/2;

	pen = tkgc(e, TkCforegnd);
	if(pen != nil) {
		/* horizontal lines first */
		rr.min.x = d.min.x - lw;
		rr.max.x = d.max.x + rw;
		rr.min.y = d.min.y - lw;
		rr.max.y = d.min.y + rw;
		draw(img, rr, pen, nil, rr.min);
		rr.min.y += Dy(d);
		rr.max.y += Dy(d);
		draw(img, rr, pen, nil, rr.min);
		/* now the vertical */
		/* horizontal lines first */
		rr.min.x = d.min.x - lw;
		rr.max.x = d.min.x + rw;
		rr.min.y = d.min.y + rw;
		rr.max.y = d.max.y - lw;
		draw(img, rr, pen, nil, rr.min);
		rr.min.x += Dx(d);
		rr.max.x += Dx(d);
		draw(img, rr, pen, nil, rr.min);
	}
}
开发者ID:8l，项目名称:inferno，代码行数:58，代码来源:crect.c

示例10: gendrawdiff

/*
 * A draw operation that touches only the area contained in bot but not in top.
 * mp and sp get aligned with bot.min.
 */
static void
gendrawdiff(Image *dst, Rectangle bot, Rectangle top,
	Image *src, Point sp, Image *mask, Point mp, int op)
{
	Rectangle r;
	Point origin;
	Point delta;

	USED(op);

	if(Dx(bot)*Dy(bot) == 0)
		return;

	/* no points in bot - top */
	if(rectinrect(bot, top))
		return;

	/* bot - top ≡ bot */
	if(Dx(top)*Dy(top)==0 || rectXrect(bot, top)==0){
		gendrawop(dst, bot, src, sp, mask, mp, op);
		return;
	}

	origin = bot.min;
	/* split bot into rectangles that don't intersect top */
	/* left side */
	if(bot.min.x < top.min.x){
		r = Rect(bot.min.x, bot.min.y, top.min.x, bot.max.y);
		delta = subpt(r.min, origin);
		gendrawop(dst, r, src, addpt(sp, delta), mask, addpt(mp, delta), op);
		bot.min.x = top.min.x;
	}

	/* right side */
	if(bot.max.x > top.max.x){
		r = Rect(top.max.x, bot.min.y, bot.max.x, bot.max.y);
		delta = subpt(r.min, origin);
		gendrawop(dst, r, src, addpt(sp, delta), mask, addpt(mp, delta), op);
		bot.max.x = top.max.x;
	}

	/* top */
	if(bot.min.y < top.min.y){
		r = Rect(bot.min.x, bot.min.y, bot.max.x, top.min.y);
		delta = subpt(r.min, origin);
		gendrawop(dst, r, src, addpt(sp, delta), mask, addpt(mp, delta), op);
		bot.min.y = top.min.y;
	}

	/* bottom */
	if(bot.max.y > top.max.y){
		r = Rect(bot.min.x, top.max.y, bot.max.x, bot.max.y);
		delta = subpt(r.min, origin);
		gendrawop(dst, r, src, addpt(sp, delta), mask, addpt(mp, delta), op);
		bot.max.y = top.max.y;
	}
}
开发者ID:dancrossnyc，项目名称:harvey，代码行数:61，代码来源:view.c

示例11: redraw

void
redraw(Image *screen)
{
	Rectangle r = Rect(0,0,Dx(screen->r), Dy(screen->r));
	catoffs.x=(Dx(r)-CATWID)/2;
	catoffs.y=(Dy(r)-CATHGT)/2;
	if(!ptinrect(catoffs, r)) fprint(2, "catclock: window too small, resize!\n");
	xredraw=1;
}
开发者ID:aahud，项目名称:harvey，代码行数:9，代码来源:catclock.c

示例12: mga4xxscroll

static int
mga4xxscroll(VGAscr *scr, Rectangle dr, Rectangle sr)
{
	uchar * mga;
	int pitch;
 	int width, height;
	ulong start, end, sgn;
	Point sp, dp;
 
	if(scr->mmio == 0)
		return 0;
	mga = (uchar*)scr->mmio;

	assert(Dx(sr) == Dx(dr) && Dy(sr) == Dy(dr));

	sp = sr.min;
	dp = dr.min;
	if(eqpt(sp, dp))
		return 1;

	pitch = Dx(scr->gscreen->r);
	width = Dx(sr);
	height = Dy(sr);
	sgn = 0;

	if(dp.y > sp.y && dp.y < sp.y + height){
		sp.y += height - 1;
		dp.y += height - 1;
		sgn |= SGN_UP;
	}

	width--;
	start = end = sp.x + (sp.y * pitch);

	if(dp.x > sp.x && dp.x < sp.x + width){
		start += width;
		sgn |= SGN_LEFT;
	}
	else
		end += width;

	mga_fifo(mga, 8);
	mgawrite32(mga, DWGCTL, 0);
	mgawrite32(mga, SGN, sgn);
	mgawrite32(mga, AR5, sgn & SGN_UP ? -pitch : pitch);
	mgawrite32(mga, AR0, end);
	mgawrite32(mga, AR3, start);
	mgawrite32(mga, FXBNDRY, ((dp.x + width) << 16) | dp.x);
	mgawrite32(mga, YDSTLEN, (dp.y << 16) | height);
	mgawrite32(mga, DWGCTL + GO, DWG_BITBLT | DWG_SHIFTZERO | DWG_BFCOL | DWG_REPLACE);

	while(mgaread32(mga, STATUS) & 0x00010000)
		;

	return 1;
}
开发者ID:99years，项目名称:plan9，代码行数:56，代码来源:vgamga4xx.c

示例13: column_surplus

static int
column_surplus(Area *a) {
	Frame *f;
	int surplus;

	surplus = Dy(a->r);
	for(f=a->frame; f; f=f->anext)
		surplus -= Dy(f->r);
	return surplus;
}
开发者ID:heilage-nsk，项目名称:configs，代码行数:10，代码来源:column.c

示例14: unloadimage

int
unloadimage(Image *i, Rectangle r, uchar *data, int ndata)
{
    int bpl, n, chunk, dx, dy;
    uchar *a, *start;
    Display *d;

    if(!rectinrect(r, i->r)) {
        werrstr("unloadimage: bad rectangle");
        return -1;
    }
    bpl = bytesperline(r, i->depth);
    if(ndata < bpl*Dy(r)) {
        werrstr("unloadimage: buffer too small");
        return -1;
    }
    start = data;
    d = i->display;
    chunk = d->bufsize;
    flushimage(d, 0);	/* make sure subsequent flush is for us only */
    while(r.min.y < r.max.y) {
        dx = Dx(r);
        dy = chunk/bpl;
        if(dy <= 0) {
            dy = 1;
            dx = ((chunk*dx)/bpl) & ~7;
            n = bytesperline(Rect(r.min.x, r.min.y, r.min.x+dx, r.min.y+dy), i->depth);
            if(unloadimage(i, Rect(r.min.x+dx, r.min.y, r.max.x, r.min.y+dy), data+n, bpl-n) < 0)
                return -1;
        } else {
            if(dy > Dy(r))
                dy = Dy(r);
            n = bpl*dy;
        }
        a = bufimage(d, 1+4+4*4);
        if(a == nil) {
            werrstr("unloadimage: %r");
            return -1;
        }
        a[0] = 'r';
        BPLONG(a+1, i->id);
        BPLONG(a+5, r.min.x);
        BPLONG(a+9, r.min.y);
        BPLONG(a+13, r.min.x+dx);
        BPLONG(a+17, r.min.y+dy);
        if(flushimage(d, 0) < 0)
            return -1;
        if(read(d->fd, data, n) < 0)
            return -1;
        data += bpl*dy;
        r.min.y += dy;
    }
    return data - start;
}
开发者ID:grobe0ba，项目名称:plan9front，代码行数:54，代码来源:unloadimage.c

示例15: resize

void
resize(void)
{
	int fd, size = (Dx(screen->r) > Dy(screen->r)) ? Dy(screen->r) + 20 : Dx(screen->r)+20; 

	fd = open("/dev/wctl", OWRITE);
	if(fd >= 0){
		fprint(fd, "resize -dx %d -dy %d", size, size);
		close(fd);
	}

}
开发者ID:grobe0ba，项目名称:plan9front，代码行数:12，代码来源:glendy.c


注：本文中的Dy函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。