static void
ChangeMap(Engine *engine)
{
XEngine *xeng = (XEngine *)engine;
p_win *w = xeng->w;
int landscape = xeng->width > xeng->height;
int x0, y0, x1, y1;
GpBox *clipport;
if (!w) return;
/* check to be sure that landscape/portrait mode hasn't changed */
if (landscape!=xeng->e.landscape) {
/* this is probably insane if in animation mode... */
SetXTransform(&xeng->e.transform, xeng->e.landscape, xeng->dpi);
xeng->width = (int)xeng->e.transform.window.xmax;
xeng->height = (int)xeng->e.transform.window.ymin;
xeng->swapped = xeng->e.transform;
/* make adjustments to allow for SetXTransform, then recenter */
if (xeng->w != xeng->win) {
xeng->a_x += xeng->x+1;
xeng->a_y += xeng->y+1;
}
xeng->x = xeng->y = -1;
GxRecenter(xeng, xeng->wtop+xeng->leftMargin, xeng->htop+xeng->topMargin);
}
/* do generic change map */
GpComposeMap(engine);
/* get current clip window */
if (xeng->e.damaged) clipport = DamageClip(&xeng->e.damage);
else clipport = &gistT.viewport;
if (clipport) {
/* set clipping rectangle for this XEngine */
GetXRectangle(&engine->devMap, clipport, &x0, &y0, &x1, &y1);
if (xeng->w == xeng->win) {
/* additional restriction for vignetting by window borders */
int lm = xeng->leftMargin;
int tm = xeng->topMargin;
if (x0 < lm) x0 = lm;
if (x1 > lm+xeng->wtop) x1 = lm+xeng->wtop;
if (y0 < tm) y0 = tm;
if (y1 > tm+xeng->htop) y1 = tm+xeng->htop;
xeng->clipping = 1;
} else {
if (x0 < 0) x0 = 0;
if (x1 > xeng->a_width) x1 = xeng->a_width;
if (y0 < 0) y0 = 0;
if (y1 > xeng->a_height) y1 = xeng->a_height;
if (x0==0 && x1==xeng->a_width && y0==0 && y1==xeng->a_height)
x0 = x1 = y0 = y1 = 0;
}
if (x0 || x1 || y0 || y1) {
if (x1<=x0) x1 = x0+1;
if (y1<=y0) y1 = y0+1;
}
p_clip(xeng->w, x0, y0, x1, y1);
}
}
static void
g_on_resize(void *c,int w,int h)
{
if (!gg_on_resize || gg_on_resize(c,w,h)) {
XEngine *xeng = c;
if (xeng->w) GxRecenter(xeng, w, h);
}
}
static void
g_on_resize(void *c,int w,int h)
{
XEngine *xeng = c;
if (xeng->e.on==&g_x_on) {
if (xeng->w) GxRecenter(xeng, w, h);
} else if (xeng->e.on && xeng->e.on->resize) {
xeng->e.on->resize(c, w, h);
}
}
