iText 8.0.0 API
iText.Forms.Form.Renderer.CheckBoxRenderer Class Reference

The AbstractFormFieldRenderer implementation for checkboxes. More...

Inheritance diagram for iText.Forms.Form.Renderer.CheckBoxRenderer:
iText.Forms.Form.Renderer.AbstractFormFieldRenderer iText.Layout.Renderer.BlockRenderer iText.Layout.Renderer.AbstractRenderer iText.Layout.Renderer.IRenderer iText.Layout.IPropertyContainer

Classes

class   FlatParagraphRenderer
  A flat renderer for the checkbox.
 

Public Member Functions

  CheckBoxRenderer (CheckBox modelElement)
  Creates a new CheckBoxRenderer instance. More...
 
override IRenderer  GetNextRenderer ()
  Gets a new instance of this class to be used as a next renderer, after this renderer is used, if Layout(iText.Layout.Layout.LayoutContext) is called more than once. More...
 
virtual ? RenderingMode  GetRenderingMode ()
  Gets the rendering mode of the checkbox. More...
 
virtual bool  IsPdfA ()
  Returns whether or not the checkbox is in PDF/A mode. More...
 
virtual CheckBoxType  GetCheckBoxType ()
  Gets the checkBoxType. More...
 
virtual ICheckBoxRenderingStrategy  CreateCheckBoxRenderStrategy ()
  creates a ICheckBoxRenderingStrategy based on the current settings. More...
 
override void  DrawBackground (DrawContext drawContext)
  Draws a background layer if it is defined by a key iText.Layout.Properties.Property.BACKGROUND in either the layout element or this IRenderer itself. More...
 
override void  DrawBorder (DrawContext drawContext)
  Performs the drawing operation for the border of this renderer, if defined by any of the iText.Layout.Properties.Property.BORDER values in either the layout element or this IRenderer itself. More...
 
virtual bool  IsBoxChecked ()
  Defines whether the box is checked or not. More...
 
- Public Member Functions inherited from iText.Forms.Form.Renderer.AbstractFormFieldRenderer
virtual bool  IsFlatten ()
  Checks if form fields need to be flattened. More...
 
virtual String  GetDefaultValue ()
  Gets the default value of the form field. More...
 
override LayoutResult  Layout (LayoutContext layoutContext)
  This method simulates positioning of the renderer, including all of its children, and returns the iText.Layout.Layout.LayoutResult , representing the layout result, including occupied area, status, i.e. if there was enough place to fit the renderer subtree, etc. More...
 
override void  Draw (DrawContext drawContext)
  Flushes the renderer subtree contents, i.e. draws itself on canvas, adds necessary objects to the iText.Kernel.Pdf.PdfDocument etc. More...
 
override void  DrawChildren (DrawContext drawContext)
  Performs the drawing operation for all children of this renderer. More...
 
override MinMaxWidth  GetMinMaxWidth ()
  Calculates min and max width values for current renderer. More...
 
- Public Member Functions inherited from iText.Layout.Renderer.BlockRenderer
override LayoutResult  Layout (LayoutContext layoutContext)
  This method simulates positioning of the renderer, including all of its children, and returns the iText.Layout.Layout.LayoutResult , representing the layout result, including occupied area, status, i.e. if there was enough place to fit the renderer subtree, etc. More...
 
override void  Draw (DrawContext drawContext)
  Flushes the renderer subtree contents, i.e. draws itself on canvas, adds necessary objects to the iText.Kernel.Pdf.PdfDocument etc. More...
 
override Rectangle  GetOccupiedAreaBBox ()
  Gets the bounding box that contains all content written to the DrawContext by this IRenderer. More...
 
override MinMaxWidth  GetMinMaxWidth ()
  Calculates min and max width values for current renderer. More...
 
- Public Member Functions inherited from iText.Layout.Renderer.AbstractRenderer
virtual void  AddChild (IRenderer renderer)
  Adds a child to the current renderer More...
 
virtual IPropertyContainer  GetModelElement ()
  Gets the model element associated with this renderer. More...
 
virtual IList< IRenderer GetChildRenderers ()
  Gets the child IRenderer s. More...
 
virtual bool  HasProperty (int property)
  Checks if this entity has the specified property. More...
 
virtual bool  HasOwnProperty (int property)
  Checks if this entity has the specified property, i.e. if it was set to this very element earlier More...
 
virtual bool  HasOwnOrModelProperty (int property)
  Checks if this renderer or its model element have the specified property, i.e. if it was set to this very element or its very model element earlier. More...
 
virtual void  DeleteOwnProperty (int property)
  Deletes the own property of this entity. More...
 
virtual void  DeleteProperty (int property)
  Deletes property from this very renderer, or in case the property is specified on its model element, the property of the model element is deleted More...
 
virtual T1  GetProperty< T1 > (int key)
  Gets the property from this entity. More...
 
virtual T1  GetOwnProperty< T1 > (int property)
  Gets own property from this entity. More...
 
virtual T1  GetProperty< T1 > (int property, T1 defaultValue)
  Gets a property from this entity or one of its hierarchical parents. More...
 
virtual void  SetProperty (int property, Object value)
  Sets a property for this entity. More...
 
virtual T1  GetDefaultProperty< T1 > (int property)
  Gets the default property from this entity. More...
 
virtual PdfFont  GetPropertyAsFont (int property)
  Returns a property with a certain key, as a font object. More...
 
virtual Color  GetPropertyAsColor (int property)
  Returns a property with a certain key, as a color. More...
 
virtual TransparentColor  GetPropertyAsTransparentColor (int property)
  Returns a property with a certain key, as a iText.Layout.Properties.TransparentColor. More...
 
virtual ? float  GetPropertyAsFloat (int property)
  Returns a property with a certain key, as a floating point value. More...
 
virtual ? float  GetPropertyAsFloat (int property, float? defaultValue)
  Returns a property with a certain key, as a floating point value. More...
 
virtual ? bool  GetPropertyAsBoolean (int property)
  Returns a property with a certain key, as a boolean value. More...
 
virtual UnitValue  GetPropertyAsUnitValue (int property)
  Returns a property with a certain key, as a unit value. More...
 
virtual ? int  GetPropertyAsInteger (int property)
  Returns a property with a certain key, as an integer value. More...
 
override String  ToString ()
  Returns a string representation of the renderer. More...
 
virtual LayoutArea  GetOccupiedArea ()
  Gets the resultant occupied area after the last call to the Layout(iText.Layout.Layout.LayoutContext) method. More...
 
virtual bool  IsFlushed ()
  Indicates whether this renderer is flushed or not, i.e. if Draw(DrawContext) has already been called. More...
 
virtual IRenderer  SetParent (IRenderer parent)
  Explicitly sets this object as the child of another IRenderer in the renderer hierarchy. More...
 
virtual IRenderer  GetParent ()
  Gets the parent IRenderer. More...
 
virtual void  Move (float dxRight, float dyUp)
  Moves the renderer subtree by the specified offset. More...
 
virtual IList< Rectangle InitElementAreas (LayoutArea area)
  Gets all rectangles that this IRenderer can draw upon in the given area. More...
 
virtual Rectangle  GetBorderAreaBBox ()
  Gets the border box of a renderer. More...
 
virtual Rectangle  GetInnerAreaBBox ()
 
virtual Rectangle  ApplyMargins (Rectangle rect, bool reverse)
  Applies margins of the renderer on the given rectangle More...
 
virtual Rectangle  ApplyBorderBox (Rectangle rect, bool reverse)
  Applies the border box of the renderer on the given rectangle If the border of a certain side is null, the side will remain as it was. More...
 
virtual Rectangle  ApplyPaddings (Rectangle rect, bool reverse)
  Applies paddings of the renderer on the given rectangle More...
 
virtual bool  IsFirstOnRootArea ()
 

Static Public Attributes

const float  DEFAULT_BORDER_WIDTH = 0.75F
 
- Static Public Attributes inherited from iText.Layout.Renderer.AbstractRenderer
const float  OVERLAP_EPSILON = 1e-4f
 

Protected Member Functions

override Rectangle  ApplyBorderBox (Rectangle rect, Border[] borders, bool reverse)
  Applies the given border box (borders) on the given rectangle More...
 

Additional Inherited Members

- Static Public Member Functions inherited from iText.Layout.Renderer.AbstractRenderer
static PdfFormXObject  CreateXObject (AbstractLinearGradientBuilder linearGradientBuilder, Rectangle xObjectArea, PdfDocument document)
  Create a iText.Kernel.Pdf.Xobject.PdfFormXObject with the given area and containing a linear gradient inside. More...
 

Detailed Description

The AbstractFormFieldRenderer implementation for checkboxes.

Constructor & Destructor Documentation

◆ CheckBoxRenderer()

iText.Forms.Form.Renderer.CheckBoxRenderer.CheckBoxRenderer ( CheckBox  modelElement )
inline

Creates a new CheckBoxRenderer instance.

Parameters
modelElement the model element

Member Function Documentation

◆ ApplyBorderBox()

override Rectangle iText.Forms.Form.Renderer.CheckBoxRenderer.ApplyBorderBox ( Rectangle  rect,
Border[]  borders,
bool  reverse 
)
inlineprotectedvirtual

Applies the given border box (borders) on the given rectangle

Reimplemented from iText.Layout.Renderer.AbstractRenderer.

◆ CreateCheckBoxRenderStrategy()

virtual ICheckBoxRenderingStrategy iText.Forms.Form.Renderer.CheckBoxRenderer.CreateCheckBoxRenderStrategy ( )
inlinevirtual

creates a ICheckBoxRenderingStrategy based on the current settings.

Returns
the ICheckBoxRenderingStrategy

◆ DrawBackground()

override void iText.Forms.Form.Renderer.CheckBoxRenderer.DrawBackground ( DrawContext  drawContext )
inlinevirtual

Draws a background layer if it is defined by a key iText.Layout.Properties.Property.BACKGROUND in either the layout element or this IRenderer itself.

Reimplemented from iText.Layout.Renderer.AbstractRenderer.

◆ DrawBorder()

override void iText.Forms.Form.Renderer.CheckBoxRenderer.DrawBorder ( DrawContext  drawContext )
inlinevirtual

Performs the drawing operation for the border of this renderer, if defined by any of the iText.Layout.Properties.Property.BORDER values in either the layout element or this IRenderer itself.

Reimplemented from iText.Layout.Renderer.AbstractRenderer.

◆ GetCheckBoxType()

virtual CheckBoxType iText.Forms.Form.Renderer.CheckBoxRenderer.GetCheckBoxType ( )
inlinevirtual

Gets the checkBoxType.

Returns
the checkBoxType

◆ GetNextRenderer()

override IRenderer iText.Forms.Form.Renderer.CheckBoxRenderer.GetNextRenderer ( )
inlinevirtual

Gets a new instance of this class to be used as a next renderer, after this renderer is used, if Layout(iText.Layout.Layout.LayoutContext) is called more than once.

Implements iText.Layout.Renderer.AbstractRenderer.

◆ GetRenderingMode()

virtual ? RenderingMode iText.Forms.Form.Renderer.CheckBoxRenderer.GetRenderingMode ( )
inlinevirtual

Gets the rendering mode of the checkbox.

Returns
the rendering mode of the checkbox

◆ IsBoxChecked()

virtual bool iText.Forms.Form.Renderer.CheckBoxRenderer.IsBoxChecked ( )
inlinevirtual

Defines whether the box is checked or not.

Returns
the default value of the checkbox field

◆ IsPdfA()

virtual bool iText.Forms.Form.Renderer.CheckBoxRenderer.IsPdfA ( )
inlinevirtual

Returns whether or not the checkbox is in PDF/A mode.

Returns
true if the checkbox is in PDF/A mode, false otherwise