72 lines
2.8 KiB
Plaintext
72 lines
2.8 KiB
Plaintext
// Filename: nativeNumericData.I
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// Created by: drose (09May01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: NativeNumericData::Constructor
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// Access: Public
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// Description: This constructor accepts the address of a numeric
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// variable, and its sizeof.
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////////////////////////////////////////////////////////////////////
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INLINE NativeNumericData::
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NativeNumericData(const void *data, size_t) :
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_source(data)
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{
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}
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////////////////////////////////////////////////////////////////////
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// Function: NativeNumericData::Constructor
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// Access: Public
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// Description: This constructor accepts a pointer to a data array
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// containing a packed numeric value, the offset within
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// the array at which the numeric value starts, and the
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// size of the numeric value.
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//
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// It is essential that the array not be destructed or
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// modified as long as the NumericData object remains;
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// it may just store a pointer into that string's
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// internal buffer.
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////////////////////////////////////////////////////////////////////
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INLINE NativeNumericData::
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NativeNumericData(const void *data, size_t start, size_t) {
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_source = (void *)((const char *)data + start);
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}
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////////////////////////////////////////////////////////////////////
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// Function: NativeNumericData::store_value
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// Access: Public
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// Description: Copies the data, with byte reversal if appropriate,
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// into the indicated numeric variable, whose address
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// and sizeof are given.
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////////////////////////////////////////////////////////////////////
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INLINE void NativeNumericData::
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store_value(void *dest, size_t length) const {
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memcpy(dest, _source, length);
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}
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////////////////////////////////////////////////////////////////////
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// Function: NativeNumericData::get_data
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// Access: Public
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// Description: Returns the pointer to the first byte of the data,
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// either reversed or nonreversed, as appropriate.
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////////////////////////////////////////////////////////////////////
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INLINE const void *NativeNumericData::
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get_data() const {
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return _source;
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}
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