/* Add line to path. */
static void glyphLine(abfGlyphCallbacks *cb, float x1, float y1)
{
abfMetricsCtx h = cb->direct_ctx;
if (h->flags & ABF_MTX_TRANSFORM)
boundPoint(h, TX(x1, y1), TY(x1, y1));
else
boundPoint(h, x1, y1);
h->x = x1;
h->y = y1;
}
/* Add curve to path. */
static void glyphCurve(abfGlyphCallbacks *cb,
float x1, float y1,
float x2, float y2,
float x3, float y3)
{
abfMetricsCtx h = cb->direct_ctx;
Rect ep; /* End-point bounds */
Rect cp; /* Control-point bounds */
float x0 = h->x;
float y0 = h->y;
if (h->flags & ABF_MTX_TRANSFORM)
{
/* Transform curve */
float xt;
xt = x0; x0 = TX(xt, y0); y0 = TY(xt, y0);
xt = x1; x1 = TX(xt, y1); y1 = TY(xt, y1);
xt = x2; x2 = TX(xt, y2); y2 = TY(xt, y2);
xt = x3; x3 = TX(xt, y3); y3 = TY(xt, y3);
}
setLineBounds(&ep, x0, y0, x3, y3);
setLineBounds(&cp, x1, y1, x2, y2);
if (ep.left < h->real_mtx.left ||
ep.bottom < h->real_mtx.bottom ||
ep.right > h->real_mtx.right ||
ep.top > h->real_mtx.top ||
cp.left < h->real_mtx.left ||
cp.bottom < h->real_mtx.bottom ||
cp.right > h->real_mtx.right ||
cp.top > h->real_mtx.top)
{
/* Curve may extend bounds */
if (cp.left < ep.left || cp.right > ep.right)
/* Grow left and/or right bounds */
setBezLimits(x0, x1, x2, x3, &ep.left, &ep.right);
if (cp.bottom < ep.bottom || cp.top > ep.top)
/* Grow top and/or bottom bounds */
setBezLimits(y0, y1, y2, y3, &ep.bottom, &ep.top);
boundPoint(h, ep.left, ep.bottom);
boundPoint(h, ep.right, ep.top);
}
h->x = x3;
h->y = y3;
}
/* Add move to path. */
static void glyphMove(abfGlyphCallbacks *cb, float x0, float y0)
{
abfMetricsCtx h = cb->direct_ctx;
float x;
float y;
if (h->flags & ABF_MTX_TRANSFORM)
{
x = TX(x0, y0);
y = TY(x0, y0);
}
else
{
x = x0;
y = y0;
}
if (h->flags & SEEN_MOVE)
boundPoint(h, x, y);
else
{
/* Set bounds to first point */
h->real_mtx.left = h->real_mtx.right = x;
h->real_mtx.bottom = h->real_mtx.top = y;
}
h->x = x0;
h->y = y0;
h->flags |= SEEN_MOVE;
}
void MapEditorWidget::movePoint(int index, const QPointF &point, bool emitUpdate)
{
points[index] = boundPoint(point, plotArea);
if (emitUpdate){
firePointChange();
}
}