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# include/cinder/ImageSourcePng.h

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    00001 /*
    00002  Copyright (c) 2010, The Barbarian Group
    00003  All rights reserved.
    00004
    00005  Redistribution and use in source and binary forms, with or without modification, are permitted provided that
    00006  the following conditions are met:
    00007
    00008     * Redistributions of source code must retain the above copyright notice, this list of conditions and
    00009     the following disclaimer.
    00010     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
    00011     the following disclaimer in the documentation and/or other materials provided with the distribution.
    00012
    00013  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
    00014  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
    00015  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
    00016  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
    00017  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    00018  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    00019  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    00020  POSSIBILITY OF SUCH DAMAGE.
    00021 */
    00022
    00023 #pragma once
    00024
    00025 #include "cinder/Cinder.h"
    00026 #include "cinder/ImageIo.h"
    00027 #include "cinder/Exception.h"
    00028
    00029 struct png_struct_def;
    00030 struct png_info_struct;
    00031
    00032 namespace cinder {
    00033
    00034 struct ci_png_info;
    00035
    00036 typedef shared_ptr<class ImageSourcePng>    ImageSourcePngRef;
    00037
    00038 class ImageSourcePng : public ImageSource {
    00039   public:
    00040     static ImageSourcePngRef    createRef( DataSourceRef dataSourceRef );
    00041     static ImageSourceRef           createSourceRef( DataSourceRef dataSourceRef ) { return createRef( dataSourceRef ); }
    00042     ~ImageSourcePng();
    00043
    00044     virtual void    load( ImageTargetRef target );
    00045
    00046     static void     registerSelf();
    00047
    00048   protected:
    00049     ImageSourcePng( DataSourceRef dataSourceRef );
    00050     bool loadHeader();
    00051
    00052     shared_ptr<ci_png_info>     mCiInfoPtr;
    00053     png_struct_def              *mPngPtr;
    00054     png_info_struct             *mInfoPtr;
    00055 };
    00056
    00057 REGISTER_IMAGE_IO_FILE_HANDLER( ImageSourcePng )
    00058
    00059 class ImageSourcePngException : public ImageIoException {
    00060 };
    00061
    00062 } // namespace cinder