TsgSVGImage

Unit: SVG

Description

The main TsgSVGImage class is a descendant of TsgCADImage (which is a descendant of TGraphic) and overrides its methods. TsgSVGImage can be used in the TImage control for displaying and navigation AutoCAD™ DWG drawings.

Syntax

TsgSVGImage = class(TsgCADImage)

Properties

Properties	Description
`Error`	The property defines if the call of the procedure `LoadFromStream` was successful.

Properties derived from TsgCADImage	Description
`BackgroundColor`	The property specifies the background color of the drawing which `TsgCADImage` displays.
`Blocks`	The property lists the blocks references of the drawing.
`BorderSize`	The property specifies the size of the drawing’s border in global points or ratio.
`BorderType`	The property sets the type of drawing’s border.
`CachingRasterMode`	The property specifies the size of drawing’s border in global points or ratio.
`CBFormat`	The property displays predefined clipboard format.
`ColorToLineWeight`	The property specifies the line weight for entities by colors.
`Converter`	The property contains information about the loaded CAD file.
`CurrentLayout`	The property sets the current layout.
`DefaultColor`	The property sets the color for elements which have white color in AutoCAD™ DXF/DWG
`DimensionsVisible`	The property switches on or off dimension of the drawing.
`DrawingBox`	The property defines drawing box.
`DrawMatrix`	The property gets the matrix used for drawing.
`DrawMode`	The property specifies the current color mode.
`Entities`	The property lists all the entities of the CAD file.
`Extents`	The property defines drawing's extents.
`FileName`	The property gets and sets the name of the file from which the image is loaded.
`IsDraw3DAxes`	The property gets and sets 3Daxes drawing mode.
`IsDrawingRotated`	The property defines if the drawing is rotated.
`IsLoading`	The property defines if the drawing is loading.
`IsPlotting`	The property defines the destination source status.
`IsProcessMessages`	The property defines the messages processing mode.
`IsShowBackground`	The property can be used to show background.
`IsShowLineWeight`	The property can be used to draw all entities with `NullWidth` pixel lineweights.
`IsWithoutBorder`	The property can be used to draw the drawing without adding the empty space (borders).
`Layouts`	The property gets the indexed layout.
`LayoutsCount`	The property gets the number of layouts.
`LineWeightScale`	The property gets and sets the line weight scale.
`Millimeters`	The property can be used to change the drawing units (millimeters/inches)
`NullWidth`	The property specifies the default line weight of entities with zero lineweight.
`OwnSource`	The property indicates if data is loaded.
`PureExtents`	The property defines the exact image field in world coordinates, with no empty space added.
`ResizeDisproportionateDrawing`	The property points to layer, containing given primitive if this layer is given.
`Scale`	The property returns scale factor of the image as `TFPoint` structure.
`ShowImages`	The property gets and sets the raster image drawing mode.
`Stretch`	The property indicates whether the CAD drawing should be changed so that it exactly fits the bounds of the image control.
`TextVisible`	The property switches on or off texts of the CAD image.
`TTFMode`	The property specifies the mode of the TTF fonts reflection.
`UseWinEllipse`	The property can be used for drawing most of the arcs and circles in the image using GDI Windows functions such as Ellipse, Arc, etc., not linearized.
`ViewRectangle`	For CAD Import VCL internal uses only.

Methods

Methods	Description
`Create`	Creates and initializes a new TsgSVGImage object.
`Destroy`	Destroys an instance of the TsgSVGImage class.
`GetEntityColor`	The method returns the entity's color.
`LoadFromStream`	The method loads a CAD image from stream.
`StopLoading`	The method stops loading the file and displays only the loaded data.

Methods derived from TsgCADImage	Description
`AbsHeight`	The method returns the entire height of the CAD image.
`AbsWidth`	The method returns the entire width of the CAD image.
`AddScaledDXF`	The method adds a new drawing to the `TsgCADImage` object.
`AddScaledDXFEx`	The method adds a new drawing to the `TsgCADImage` object.
`Assign`	The method copies a CAD image object and increase reference to the `Converter` object.
`CommonToInternalUnits`	The method converts CAD coordinates of an image to the coordinates of the inner drawing's coordinate system.
`DrawRect`	The method renders a part of a loaded drawing on a device context specified by DC.
`ExportToMetafile`	The method exports a CAD drawing to a Windows Enhanced metafile
`GetCADCoords`	The method returns coordinates of a point on a drawing.
`GetExtents`	The method recalculates the drawing extents.
`GetObjectSnapMask`	The method returns the object snap mode.
`GetPoint`	The method converts point from the 3D coordinate system to the 2D coordinate system.
`GetPointUCS`	The method converts the UCS coordinates to the screen coordinates.
`GetRealImagePoint`	The method the real coordinates of the point.
`GetSnapData`	The method returns the data structure that contains the closest entity to the argument point, and the node point.
`GetVisibleArea`	The method returns the visible area.
`InternalToCommonUnits`	The method converts the coordinates of the inner drawing's coordinate system to the CAD coordinates of an image.
`LoadFromClipboardFormat`	The method loads from clipboard.
`LoadFromFile`	The method loads a CAD image from file.
`Measurement`	The method returns the information about measurement system for linear and angular measures.
`RefreshCurrentLayout`	The method refreshes sizes of the current layout.
`ResetDrawingBox`	The method switches off the drawing box.
`Rotate`	The method rotates the current image.
`RotDefault`	The method rotates the image to the default view.
`RotToView`	The method rotates the image by parameter defined in A3DView.
`SaveToClipboardFormat`	The method saves to clipboard.
`SaveToFile`	The method saves the image to the file.
`SaveToStream`	The method saves the image to the stream.
`SetObjectSnapMask`	The method sets the object snap mode.
`SetVisibleArea`	The method sets an area for snap.

Events

Events derived from TsgCADImage	Description
`OnAfterRotate`	The event occurs after a CAD image being rotated.
`OnBeforeRotate`	The event occurs before a CAD image being rotated.
`OnLayoutChange`	The event occurs when a current layout is being changed.

Variables and constants

Variables and constants	Description
`CF_SVG`	Predefined clipboard format for use in the `LoadFromClipboardFormat` method.
`SSVGImage`

Description​

Syntax​

Properties​

Methods​

Events​