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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <vcl/dllapi.h>
class GDIMetaFile;
class BitmapEx;
namespace vcl
{
/** Convert the bitmap to a meta file
*
* This works by putting continuous areas of the same color into
* polygons painted in this color, by tracing the area's bounding
* line.
*
* @param rMetafile
* The resulting meta file
*
*/
class VCL_DLLPUBLIC Vectorizer
{
private:
/** If not 0, minimal size of bound rects for individual polygons. Smaller ones are ignored. */
sal_uInt8 mnReduce = 0;
/** A callback for showing the progress of the vectorization */
Link<tools::Long, void> const* mpProgress = nullptr;
public:
Vectorizer(sal_uInt8 nReduce)
: mnReduce(nReduce)
{}
bool vectorize(BitmapEx const& rBitmap, GDIMetaFile& rMetafile);
void setProgressCallback(const Link<tools::Long,void>* pProgress)
{
mpProgress = pProgress;
}
void updateProgress(tools::Long nProgress);
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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