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95 lines
3.7 KiB
C++
95 lines
3.7 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-9 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCE_MEMORYOUTPUTSTREAM_JUCEHEADER__
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#define __JUCE_MEMORYOUTPUTSTREAM_JUCEHEADER__
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#include "juce_OutputStream.h"
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#include "../../containers/juce_MemoryBlock.h"
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#include "../../containers/juce_ScopedPointer.h"
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//==============================================================================
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/** Writes data to an internal memory buffer, which grows as required.
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The data that was written into the stream can then be accessed later as
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a contiguous block of memory.
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*/
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class JUCE_API MemoryOutputStream : public OutputStream
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{
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public:
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//==============================================================================
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/** Creates a memory stream ready for writing into.
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@param initialSize the intial amount of space to allocate for writing into
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@param granularity the increments by which the internal storage will be increased
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@param memoryBlockToWriteTo if this is non-zero, then this block will be used as the
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place that the data gets stored. If it's zero, the stream
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will allocate its own storage internally, which you can
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access using getData() and getDataSize()
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*/
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MemoryOutputStream (const size_t initialSize = 256,
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const size_t granularity = 256,
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MemoryBlock* const memoryBlockToWriteTo = 0) throw();
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/** Destructor.
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This will free any data that was written to it.
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*/
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~MemoryOutputStream() throw();
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//==============================================================================
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/** Returns a pointer to the data that has been written to the stream.
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@see getDataSize
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*/
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const char* getData() const throw();
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/** Returns the number of bytes of data that have been written to the stream.
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@see getData
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*/
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size_t getDataSize() const throw();
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/** Resets the stream, clearing any data that has been written to it so far. */
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void reset() throw();
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//==============================================================================
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void flush();
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bool write (const void* buffer, int howMany);
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int64 getPosition();
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bool setPosition (int64 newPosition);
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//==============================================================================
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juce_UseDebuggingNewOperator
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private:
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MemoryBlock* data;
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ScopedPointer <MemoryBlock> dataToDelete;
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size_t position, size, blockSize;
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};
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#endif // __JUCE_MEMORYOUTPUTSTREAM_JUCEHEADER__
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