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/*
* Copyright (C) 2004-2012 Geometer Plus <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef __DOCFLOATIMAGEREADER_H__
#define __DOCFLOATIMAGEREADER_H__
#include <ZLFileImage.h>
class DocFloatImageReader {
public:
struct BlipStoreEntry { // see p.68 [MS-ODRAW]
unsigned int size; // size of blip in stream
unsigned int referenceCount; // (cRef) reference count for the the blip
unsigned int offsetInDelay; // foDelay, file offset in the delay stream
};
struct Blip { //see p.59, p63-66 [MS-ODRAW]
BlipStoreEntry storeEntry;
unsigned int type;
ZLFileImage::Blocks blocks;
};
struct FSP { //see p.76-77 [MS-ODRAW]
unsigned int shapeId; //spid
};
struct FOPTE { //see p.98 and p.32 [MS-ODRAW]
unsigned int pId; //pid
bool isBlipId; //fBid
bool isComplex; //fComplex
unsigned int value; //op
};
struct FSPContainer { //see p.53-55 [MS-ODRAW]
FSP fsp;
std::vector<FOPTE> fopte;
};
struct OfficeArtContent { //see p.405-406 [MS-DOC]
std::vector<Blip> blips; //retrieved from OfficeArtDggContainer
std::vector<FSPContainer> FSPs; //retrieved from OfficeArtDgContainer
};
struct RecordHeader { //see p.26 [MS-ODRAW]
unsigned int version;
unsigned int instance;
unsigned int type;
unsigned int length;
};
public:
DocFloatImageReader(unsigned int off, unsigned int len, shared_ptr<OleStream> tableStream, shared_ptr<OleStream> mainStream);
public:
void readAll();
ZLFileImage::Blocks getBlocksForShapeId(unsigned int shapeId) const;
private:
static unsigned int readRecordHeader(RecordHeader &header, shared_ptr<OleStream> stream);
static unsigned int readDggContainer(OfficeArtContent &item, unsigned int length, shared_ptr<OleStream> stream, shared_ptr<OleStream> mainStream);
static unsigned int readBStoreContainer(OfficeArtContent &item, unsigned int length, shared_ptr<OleStream> stream, shared_ptr<OleStream> mainStream);
static unsigned int readBStoreContainerFileBlock(Blip &blip, shared_ptr<OleStream> stream, shared_ptr<OleStream> mainStream);
static unsigned int readBlip(Blip &blip, const RecordHeader &header, shared_ptr<OleStream> stream);
static unsigned int readFBSE(BlipStoreEntry &fbse, shared_ptr<OleStream> stream);
static unsigned int readFOPTE(FOPTE &fopte, shared_ptr<OleStream> stream);
static unsigned int readArrayFOPTE(std::vector<FOPTE> &fopte, unsigned int length, shared_ptr<OleStream> stream);
static unsigned int readFSP(FSP &fsp, shared_ptr<OleStream> stream);
static unsigned int readSpContainter(FSPContainer &item, unsigned int length, shared_ptr<OleStream> stream);
static unsigned int readSpgrContainer(OfficeArtContent &item, unsigned int length, shared_ptr<OleStream> stream);
static unsigned int readDgContainer(OfficeArtContent &item, unsigned int length, shared_ptr<OleStream> stream);
static unsigned int skipRecord(const RecordHeader &header, shared_ptr<OleStream> stream);
static unsigned int read1Byte(shared_ptr<OleStream> stream);
static unsigned int read2Bytes(shared_ptr<OleStream> stream);
static unsigned int read4Bytes(shared_ptr<OleStream> stream);
private:
shared_ptr<OleStream> myTableStream;
shared_ptr<OleStream> myMainStream;
unsigned int myOffset;
unsigned int myLength;
OfficeArtContent myItem;
};
#endif /* __DOCFLOATIMAGEREADER_H__ */
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