IconElementHandler.h

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/*--------------------------------------------------------------------------------------+
|
|   Supplied under applicable software license agreement.
|
|   Copyright (c) 2018 Bentley Systems, Incorporated. All rights reserved.
|
+---------------------------------------------------------------------------------------*/
#pragma once

#include <DgnPlatform\ExtendedElementHandler.h>

#define XATTRIBUTEID_IconElementHandlerXAttrId      22878


DGNPLATFORM_TYPEDEFS (IconData);
DGNPLATFORM_TYPEDEFS (IconGeometry);


BEGIN_BENTLEY_DGNPLATFORM_NAMESPACE

enum class  IconSource
    {
    IcoFile         = 1,
    ResourceFile    = 2,
    DllFile         = 3,
    };




typedef RefCountedPtr<struct IconData>  IconDataPtr;

/*=================================================================================**/
struct      IconData : public RefCountedBase
{
public:

DGNPLATFORM_EXPORT  static  IconDataPtr     CreateFromIcoFile (WCharCP fileName);
DGNPLATFORM_EXPORT  static  IconDataPtr     CreateFromResource (RscFileHandle handle, WCharCP alias);
DGNPLATFORM_EXPORT  static  IconDataPtr     CreateFromData (const byte* data, size_t dataSize);
DGNPLATFORM_EXPORT          void            Serialize (DataExternalizer& externalizer) const;
DGNPLATFORM_EXPORT          double          GetAspectRatio () const;

};

struct IconElementHandler;

/*=================================================================================**/
/*=================================================================================**/
struct          IconGeometry
{
bool            m_drawBoundary;     // whether user wants boundary or not
bool            m_reserved[7];      // alignment, reserved for later use.
DPoint3d        m_origin;           // origin, in UORS.
DPoint3d        m_vectorX;          // vectorX and vectorY are vectors in the x and y direction of the icon.
DPoint3d        m_vectorY;          // They establish both the scale and the rotation matrix.
double          m_reserved1[4];     // More future stuff.

// get the boundary points in UORs.
DGNPLATFORM_EXPORT  IconGeometry (bool drawBoundary, DPoint3dCR origin, DPoint3dCR vectorX, DPoint3dCR vectorY);
void            GetBoundaryPoints (double& extentX, DPoint3d points[5], double zValue) const;
};

/*=================================================================================**/
struct          IconElementHandler : public ExtendedElementHandler
{
DEFINE_T_SUPER(DgnPlatform::ExtendedElementHandler)
ELEMENTHANDLER_DECLARE_MEMBERS (IconElementHandler, DGNPLATFORM_EXPORT)

public:

static DGNPLATFORM_EXPORT BentleyStatus             CreateElement (EditElementHandleR eeh, ElementHandleP templateEh, IconDataCR iconData, IconGeometryR geometry, DgnModelR model);

}; // IconElementHandler


END_BENTLEY_DGNPLATFORM_NAMESPACE