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