SOP/SOP_CaptureEdit.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Edward Lam
 *      Side Effects Software Inc.
 *      477 Richmond Street West
 *      Toronto, Ontario,  M5V 3E7
 *      Canada
 *      416-504-9876
 *
 * NAME:        SOP_CaptureEdit.h (SOP Library, C++)
 *
 * COMMENTS:    Implements a SOP for manipulating capture weights
 *
 */

#ifndef __SOP_CaptureEdit_h__
#define __SOP_CaptureEdit_h__

#include "SOP_API.h"
#include <UT/UT_HashTable.h>
#include <UT/UT_IntArray.h>
#include <UT/UT_PtrArray.h>
#include <UT/UT_String.h>
#include <PRM/PRM_Name.h>
#include <PRM/PRM_Parm.h>

#include "SOP_CaptureData.h"
#include "SOP_GDT.h"


class UT_Matrix4;
class OP_Context;


class SOP_API SOP_CaptureEdit : public SOP_GDT
{
public:
    SOP_CaptureEdit(OP_Network *net, const char *name, OP_Operator *entry);
    virtual ~SOP_CaptureEdit();

    static OP_Node *    ourConstructor(OP_Network*, const char*, OP_Operator*);
    static PRM_Template ourTemplateList[];

    virtual unsigned    disableParms();

    virtual OP_ERROR    cookInputGroups( OP_Context &context, int alone );
 
#if 0
    void                pointWeightChange( float t, int point_num,
                                           const char *cregion, float weight );
#endif

    void                startNewChange( const int *points, int num_points,
                                        int clamp_negative, int normalize = 0 );
    void                changeWeight( float t, const char *cregion,
                                      float weight, int add_weight );

    int                 addAverageCaptureWeight( OP_Context &context,
                                                 const UT_IntArray &points,
                                                 UT_HashTable &averages );

    virtual void        setVisualization( int onoff );

protected:
    virtual OP_ERROR    cookMySop( OP_Context &context );

    virtual void        applyAndClearCurrentDelta();

    virtual void        buildOpDependencies();
    virtual void        buildParmDependency( int parm_index );
    virtual void        handleOpDependency( int referenced_op_id,
                                            const OP_Dependency &op_dep,
                                            OP_InterestType interest_type,
                                            bool &need_cook,
                                            const char *old_fullpath,
                                            const char *old_cwd,
                                            const char *old_chan_name );

    //
    //  I/O methods      
    //                           
    virtual OP_ERROR     save(ostream &os, const OP_SaveFlags &flags,
                              const char *path_prefix);
    virtual bool         load(UT_IStream &is, const char *extension,
                              const char *path=0);

private:    // methods
    PRM_Parm &          getParmByName( PRM_Name &name )
                                { return getParm( name.getToken() ); }
    const PRM_Parm &    getParmByName( PRM_Name &name ) const
                                { return getParm( name.getToken() ); }

    OP_ERROR            createCurrentDelta( OP_Context &context,
                                            const GB_PointGroup *pt_group );

    int                 addCaptureRegion( UT_String &cregion_name );

    // parm callbacks
    static void         buildCregionMenu( void *, PRM_Name *, int,
                                const PRM_SpareData *, PRM_Parm * );
    static int          getCaptureRegion( void *user_data,
                                          char *cregion,
                                          UT_Matrix4 &parent_xform,
                                          GU_DetailHandle &tube_gdh );

    void                checkCaptureRegions();

private:    // data
    SOP_CaptureData         myCaptureData;
    float                   myCaptureFrame;
    UT_String               myRootPath;
    unsigned int            myUpdatedColors : 1,
                            myForceUpdateColors : 1;

    static PRM_ChoiceList   theCregionMenu;
    static int              theCregionIndex;
};

#endif // __SOP_CaptureEdit_h__

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