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/*
* Copyright 2011, Blender Foundation.
*
* 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.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#ifndef __COM_CONVERTER_H__
#define __COM_CONVERTER_H__
#ifdef WITH_CXX_GUARDEDALLOC
# include "MEM_guardedalloc.h"
#endif
struct bNode;
class Node;
class NodeOperation;
class NodeOperationInput;
class NodeOperationOutput;
class NodeOperationBuilder;
/**
* @brief Conversion methods for the compositor
*/
class Converter {
public:
/**
* @brief Convert/wraps a bNode in its Node instance.
*
* For all nodetypes a wrapper class is created.
*
* @note When adding a new node to blender, this method needs to be changed to return the correct Node instance.
*
* @see Node
*/
static Node *convert(bNode *b_node);
/**
* @brief True if the node is considered 'fast'.
*
* Slow nodes will be skipped if fast execution is required.
*/
static bool is_fast_node(bNode *b_node);
/**
* @brief This method will add a datetype conversion rule when the to-socket does not support the from-socket actual data type.
*
* @note this method is called when conversion is needed.
*
* @param link the NodeLink what needs conversion
* @param system the ExecutionSystem to add the conversion to.
* @see NodeLink - a link between two sockets
*/
static NodeOperation *convertDataType(NodeOperationOutput *from, NodeOperationInput *to);
/**
* @brief This method will add a resolution rule based on the settings of the NodeInput.
*
* @note Conversion logic is implemented in this method
* @see InputSocketResizeMode for the possible conversions.
*
* @param link the NodeLink what needs conversion
* @param system the ExecutionSystem to add the conversion to.
* @see NodeLink - a link between two sockets
*/
static void convertResolution(NodeOperationBuilder &builder, NodeOperationOutput *fromSocket, NodeOperationInput *toSocket);
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("COM:Converter")
#endif
};
#endif
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