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//# PCVGBuffer.cc: buffering of PixelCanvas vector graphics
//# Copyright (C) 1993,1994,1995,1996,1998,1999,2000,2001
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//#$Id$
using namespace casacore;
namespace casa { //# NAMESPACE CASA - BEGIN
// Default Constructor Required
PCVGBuffer::PCVGBuffer(PixelCanvas * pc, uInt nVerts) :
pc_(pc),
mode_(AMNone),
c_(0),
verts_(nVerts,2u),
blockSize_(nVerts) {
}
void PCVGBuffer::accumPoint(Float x, Float y) {
// switch mode
setMode(AMPoints);
// check space
checkSpace();
// add point
verts_(c_,0) = x;
verts_(c_,1) = y;
c_++;
}
void PCVGBuffer::accumLine(Float x1, Float y1, Float x2, Float y2) {
// switch mode
setMode(AMLines);
// check space
checkSpace();
// add end points
verts_(c_,0) = x1;
verts_(c_,1) = y1;
c_++;
verts_(c_,0) = x2;