2016-05-17 03:04:11 +12:00
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#pragma once
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2016-03-19 06:57:51 +13:00
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#ifndef TRASTERFXRENDERDATA_H
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#define TRASTERFXRENDERDATA_H
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// TnzCore includes
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#include "tcommon.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TFX_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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//******************************************************************************
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// TRasterFxRenderData class
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//******************************************************************************
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//! Base class for custom data that can added by an fx to be processed in a
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//! downstrem fx.
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class DVAPI TRasterFxRenderData : public TSmartObject
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{
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public:
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virtual ~TRasterFxRenderData() {}
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virtual bool operator==(const TRasterFxRenderData &data) const = 0;
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virtual std::string toString() const = 0;
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//! Returns a value respresenting the type of a renderData instance. The type
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//! is used to sort renderData entries for both retrieval and processing.
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//! The floating return type specification is used to allow insertions between
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//! two close-up values, if needed.
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virtual float typeIndex() const = 0;
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//! Currently used by TColumnFx to find out whether a renderData instance
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//! will enlarge the rendering of the specified bounding box.
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virtual TRectD getBBoxEnlargement(const TRectD &bbox) { return bbox; }
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};
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//===================================================================
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#ifdef WIN32
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template class DVAPI TSmartPointerT<TRasterFxRenderData>;
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#endif
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typedef TSmartPointerT<TRasterFxRenderData> TRasterFxRenderDataP;
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#endif // TRASTERFXRENDERDATA_H
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