98 lines
3.4 KiB
Ucode
98 lines
3.4 KiB
Ucode
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/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*
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* This is an abstract base class that is used to define the interface that
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* UnrealEd will use when rendering a given object's thumbnail labels. This
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* is declared as a separate object so that label rendering can be customized
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* without having to support any other interfaces
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*/
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class ThumbnailLabelRenderer extends Object
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abstract
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native;
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cpptext
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{
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public:
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/** Thumbnail options */
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struct ThumbnailOptions
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{
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// Add options here!
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/** Constructor */
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ThumbnailOptions()
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{
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}
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};
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protected:
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/**
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* Calculates the size the thumbnail labels will be for the specified font.
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* Note: that this is a common method for handling lists of strings. The
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* child class is resposible for building this list of strings.
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*
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* @param Labels the list of strings to write out as the labels
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* @param Font the font object to render with
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* @param RI the render interface to use for getting the size
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* @param OutWidth the var that gets the width of the labels
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* @param OutHeight the var that gets the height
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*/
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void GetSizeFromLabels(const TArray<FString>& Labels,UFont* Font,
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FCanvas* Canvas,DWORD& OutWidth,
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DWORD& OutHeight);
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/**
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* Renders the thumbnail labels for the specified object with the specified
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* font and text color
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* Note: that this is a common method for handling lists of strings. The
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* child class is resposible for building this list of strings.
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*
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* @param Labels the list of strings to write out as the labels
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* @param Font the font to draw with
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* @param X the X location to start drawing at
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* @param Y the Y location to start drawing at
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* @param RI the render interface to draw with
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* @param TextColor the color to draw the text with
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*/
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void DrawLabels(const TArray<FString>& Labels,UFont* Font,INT X,INT Y,
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FCanvas* Canvas,const FColor& TextColor);
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public:
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/**
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* Subclasses should implement this function to add to the list of labels
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* for a given object.
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*
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* @param Object the object to build the labels for
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* @param OutLabels the array that is added to
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*/
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virtual void BuildLabelList(UObject*, const ThumbnailOptions&, TArray<FString>&) PURE_VIRTUAL(UThumbnailLabelRenderer::BuildLabelList,);
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/**
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* Calculates the size the thumbnail labels will be for the specified font
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*
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* @param Object the object the thumbnail is of
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* @param Font the font object to render with
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* @param RI the render interface to use for getting the size
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* @param OutWidth the var that gets the width of the labels
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* @param OutHeight the var that gets the height
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*/
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virtual void GetThumbnailLabelSize(UObject* Object,UFont* Font,
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FCanvas* Canvas, const ThumbnailOptions& InOptions, DWORD& OutWidth,
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DWORD& OutHeight);
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/**
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* Renders the thumbnail labels for the specified object with the specified
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* font and text color
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*
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* @param Object the object to render labels for
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* @param Font the font to draw with
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* @param X the X location to start drawing at
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* @param Y the Y location to start drawing at
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* @param RI the render interface to draw with
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* @param TextColor the color to draw the text with
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*/
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virtual void DrawThumbnailLabels(UObject* Object,UFont* Font,INT X,INT Y,
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FCanvas* Canvas, const ThumbnailOptions& InOptions,
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const FColor& TextColor = FColor(255,255,255,255));
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}
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