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6cef630541
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3897 a95241bf-73f2-0310-859d-f6bbb57e9c96
105 lines
3.3 KiB
C++
Executable File
105 lines
3.3 KiB
C++
Executable File
/*****************************************************************************/
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// TiffIfd
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// Written by Michael Wilber, OBOS Translation Kit Team
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//
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// TiffIfd.h
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//
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// This object is for storing a TIFF Image File Directory
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//
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//
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// Copyright (c) 2003 OpenBeOS Project
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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/*****************************************************************************/
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#ifndef TIFF_IFD_H
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#define TIFF_IFD_H
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#include <ByteOrder.h>
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#include <DataIO.h>
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#include "TiffField.h"
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#include "TiffUintField.h"
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class TiffIfdException {
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public:
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TiffIfdException() { };
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};
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class TiffIfdFieldNotFoundException : public TiffIfdException {
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public:
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TiffIfdFieldNotFoundException() { };
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};
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class TiffIfdUnexpectedTypeException : public TiffIfdException {
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public:
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TiffIfdUnexpectedTypeException() { };
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};
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class TiffIfdBadIndexException : public TiffIfdException {
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public:
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TiffIfdBadIndexException() { };
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};
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class TiffIfdNoMemoryException : public TiffIfdException {
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public:
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TiffIfdNoMemoryException() { };
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};
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class TiffIfd {
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public:
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TiffIfd(uint32 offset, BPositionIO &io, swap_action swp);
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~TiffIfd();
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status_t InitCheck() { return finitStatus; };
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bool HasField(uint16 tag);
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uint32 GetCount(uint16 tag);
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// throws: TiffIfdFieldNotFoundException()
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uint32 GetNextIfdOffset() { return fnextIFDOffset; };
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uint32 GetUint(uint16 tag, uint32 index = 0);
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// index is the base one index for the desired
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// number in the specified field. When index is the default
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// value of zero: if the count is one, the
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// first number will be returned, if it is not
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// one, TiffIfdBadIndexException() will be thrown
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//
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// throws: TiffIfdFieldNotFoundException(),
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// TiffIfdUnexpectedTypeException(),
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// TiffIfdBadIndexException()
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uint32 GetAdjustedColorMap(uint8 **pout);
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uint32 GetUint32Array(uint16 tag, uint32 **pout);
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// copies all of the uints from tag to
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// the pointer pointed to by pout
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// and returns the number of uints copied
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//
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// throws: TiffIfdFieldNotFoundException(),
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// TiffIfdUnexpectedTypeException(),
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// TiffIfdBadIndexException()
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// TiffIfdNoMemoryException()
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private:
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void LoadFields(uint32 offset, BPositionIO &io, swap_action swp);
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TiffField *GetField(uint16 tag);
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TiffField **fpfields;
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status_t finitStatus;
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uint32 fnextIFDOffset;
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uint16 ffieldCount;
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};
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#endif // TIFF_IFD_H
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