/*
**  ClanLib SDK
**  Copyright (c) 1997-2005 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
**    (if your name is missing here, please add it)
*/

#include "Core/precomp.h"
#include "API/Core/Math/outline_triangulator.h"
#include "outline_triangulator_generic.h"

/////////////////////////////////////////////////////////////////////////////
// CL_OutlineTriangulator construction:

CL_OutlineTriangulator::CL_OutlineTriangulator() : impl(new CL_OutlineTriangulator_Generic)
{
}

CL_OutlineTriangulator::~CL_OutlineTriangulator()
{
}

/////////////////////////////////////////////////////////////////////////////
// CL_OutlineTriangulator attributes:

/////////////////////////////////////////////////////////////////////////////
// CL_OutlineTriangulator operations:

void CL_OutlineTriangulator::next_contour()
{
	if (impl->current_contour.vertices.empty()) return;
	impl->current_polygon.contours.push_back(impl->current_contour);
	impl->current_contour = CL_OutlineTriangulator_Contour();
}

void CL_OutlineTriangulator::next_polygon()
{
	next_contour();
	if (impl->current_polygon.contours.empty()) return;
	impl->polygons.push_back(impl->current_polygon);
	impl->current_polygon = CL_OutlineTriangulator_Polygon();
}

void CL_OutlineTriangulator::add_vertex(double x, double y, void *data)
{
	CL_OutlineTriangulator_Vertex vertex;
	vertex.x = x;
	vertex.y = y;
	vertex.data = data;
	impl->current_contour.vertices.push_back(vertex);
}

void CL_OutlineTriangulator::generate()
{
	next_polygon();
	if (impl->polygons.empty()) return;
	impl->triangulate();
}

/////////////////////////////////////////////////////////////////////////////
// CL_OutlineTriangulator implementation: