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api:dk11:delphi:gisrendererabstract.tgis_renderercontext

TGIS_RendererContext class

DK11 for Delphi | GisRendererAbstract.TGIS_RendererContext | Classes | Constructors | Methods | Properties

Object to store all canvases on rendering context

Available also on: .NET | Java | ActiveX.

Syntax

// Delphi
type
  TGIS_RendererContext = class( TGIS_BaseObjectDisposable )
  end;
// C++ Builder
class PASCALIMPLEMENTATION TGIS_RendererContext : public TGIS_BaseObjectDisposable
{
};

Inheritance

→ TObject → TGIS_BaseObjectDisposable

Constructors

Inherited Overrides Protected
Name Visibility Description
Create public Standard constructor

Methods

Inherited Overrides Protected
Name Visibility Description
AssignBaseMap public Assign BaseMap bitmap.
AssignCharts public Assign Charts bitmap.
AssignDrawContext public Assign draw context objects.
AssignLabels public Assign Labels bitmap.
AssignSelection public Assign Selection bitmap.
Clear public Clear context status.
ClearDrawContext public Clear draw context.
DoProgressiveUpdate public If ProgressiveHelper is assigned then perform TGIS_ViewerWndHelperRun.DoSynchronize( False ) in this context.

Properties

Inherited Protected
Name Visibility Description
BaseMap public Canvas used to draw base map (common content).
BaseMapOnDemand public True, if underlying bitmap should be created on-demand.
Charts public Canvas used to draw charts.
ChartsOnDemand public True, if underlying bitmap should be created on-demand.
DrawContextFactory public Draw context factory.
Labels public Canvas used to draw labels.
LabelsOnDemand public True, if underlying bitmap should be created on-demand.
NativeDrawContext public Native draw context.
ProgressiveHelper public Helper for progressive, thread safely.
Selection public Canvas used to draw selected objects.
SelectionOnDemand public True, if underlying bitmap should be created on-demand.
SourceDrawContext public Source draw context.

2019/01/25 16:34