OpenSceneGraph/include/osgDB/DataTypes

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library 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
 * OpenSceneGraph Public License for more details.
*/
// Written by Wang Rui, (C) 2010

#ifndef OSGDB_DATATYPES
#define OSGDB_DATATYPES

#include <string>

namespace osgDB
{

// OSG Header (MD5, 16Bit)
#define OSG_HEADER_LOW  0x6C910EA1
#define OSG_HEADER_HIGH 0x1AFB4545

// Reader/writer plugin version
#define PLUGIN_VERSION 2

#define BOOL_SIZE   1
#define CHAR_SIZE   1
#define SHORT_SIZE  2
#define INT_SIZE    4
#define LONG_SIZE   4
#define FLOAT_SIZE  4
#define DOUBLE_SIZE 8
#define GLENUM_SIZE 4

#define ID_BYTE_ARRAY 0
#define ID_UBYTE_ARRAY 1
#define ID_SHORT_ARRAY 2
#define ID_USHORT_ARRAY 3
#define ID_INT_ARRAY 4
#define ID_UINT_ARRAY 5
#define ID_FLOAT_ARRAY 6
#define ID_DOUBLE_ARRAY 7
#define ID_VEC2B_ARRAY 8
#define ID_VEC3B_ARRAY 9
#define ID_VEC4B_ARRAY 10
#define ID_VEC4UB_ARRAY 11
#define ID_VEC2S_ARRAY 12
#define ID_VEC3S_ARRAY 13
#define ID_VEC4S_ARRAY 14
#define ID_VEC2_ARRAY 15
#define ID_VEC3_ARRAY 16
#define ID_VEC4_ARRAY 17
#define ID_VEC2D_ARRAY 18
#define ID_VEC3D_ARRAY 19
#define ID_VEC4D_ARRAY 20

#define ID_DRAWARRAYS 50
#define ID_DRAWARRAY_LENGTH 51
#define ID_DRAWELEMENTS_UBYTE 52
#define ID_DRAWELEMENTS_USHORT 53
#define ID_DRAWELEMENTS_UINT 54

// Used by BEGIN_BRACKET and END_BRACKET
#define INDENT_VALUE 2

// Used by the writeImage/readImage parameter
#define IMAGE_INLINE_DATA 0
#define IMAGE_INLINE_FILE 1
#define IMAGE_EXTERNAL 2
#define IMAGE_WRITE_OUT 3

struct ObjectGLenum
{
    ObjectGLenum( GLenum value=0 ) : _value(value) {}
    ObjectGLenum( const ObjectGLenum& copy ) : _value(copy._value) {}
    void set( GLenum e ) { _value = e; }
    GLenum get() const { return _value; }
    GLenum _value;
};
#define GLENUM(value) osgDB::ObjectGLenum(value)
#define DEF_GLENUM(var) osgDB::ObjectGLenum var;

struct ObjectProperty
{
    ObjectProperty( const char* name, int value=0, bool useMap=false )
    : _name(name), _value(value), _mapProperty(useMap) {}
    
    ObjectProperty( const ObjectProperty& copy )
    : _name(copy._name), _value(copy._value), _mapProperty(copy._mapProperty) {}
    
    ObjectProperty& proto( const char* name )
    { _name = name; return *this; }
    
    void set( int v ) { _value = v; }
    int get() const { return _value; }
    
    std::string _name;
    int _value;
    bool _mapProperty;
};
static ObjectProperty defaultProp("");

#define PROPERTY(name) defaultProp.proto(name)
#define MAPPEE(pairName, value) osgDB::ObjectProperty(#pairName, value, true)
#define DEF_PROPERTY(name, var) osgDB::ObjectProperty var(name);
#define DEF_MAPPEE(pairName, var) osgDB::ObjectProperty var(#pairName, 0, true);

struct ObjectMark
{
    ObjectMark( const char* name, int delta=0 )
    : _name(name), _indentDelta(delta) {}
    
    ObjectMark( const ObjectMark& copy )
    : _name(copy._name), _indentDelta(copy._indentDelta) {}
    
    std::string _name;
    int _indentDelta;
};
static ObjectMark BEGIN_BRACKET("{", +INDENT_VALUE);
static ObjectMark END_BRACKET  ("}", -INDENT_VALUE);

}
#endif