PdfBlendBase Class

Represents the base class for PdfBlend and PdfColorBlend classes.

Inheritance

System.Object

PdfBlendBase

PdfBlend

PdfColorBlend

Namespace: Syncfusion.Pdf.Graphics

Assembly: Syncfusion.Pdf.Base.dll

Syntax

public abstract class PdfBlendBase : Object

Examples

//Create a new PDF document.
PdfDocument doc = new PdfDocument();
//Add a page to the document.
PdfPage page = doc.Pages.Add();
//Create PDF graphics for the page
PdfGraphics graphics = page.Graphics;
//Create new PDF brush.  
PdfLinearGradientBrush brush = new PdfLinearGradientBrush(new PointF(0, 0), new PointF(200, 100), Color.Red, Color.Blue);
//Create PDF blend
PdfBlend blend = new PdfBlend();
//Set factors
blend.Factors = new float[] {1};
//Set poistions
blend.Positions = new float[] {0};
//Set blend to the brush.
brush.Blend = blend; 
//Draw rectangle.
graphics.DrawRectangle(brush, new RectangleF(0, 0, 200, 100));           
//Save the document.
doc.Save("Output.pdf");
//Close the document.
doc.Close(true);

'Create a new PDF document.
Dim doc As New PdfDocument()
'Add a page to the document.
Dim page As PdfPage = doc.Pages.Add()
'Create PDF graphics for the page
Dim graphics As PdfGraphics = page.Graphics
'Create new PDF brush.           
Dim brush As New PdfLinearGradientBrush(New PointF(0, 0), New PointF(200, 100), Color.Red, Color.Blue)
'Create PDF blend
Dim blend As New PdfBlend()
'Set factors
blend.Factors = New Single() {1}
'Set poistions
blend.Positions = New Single() {0}
'Set blend to the brush.
brush.Blend = blend
'Draw rectangle.
graphics.DrawRectangle(brush, New RectangleF(0, 0, 200, 100))
'Save the document.
doc.Save("Output.pdf")
'Close the document.
doc.Close(True)

Constructors

PdfBlendBase()

Initializes a new instance of the PdfBlendBase class.

Declaration

protected PdfBlendBase()

PdfBlendBase(Int32)

Initializes a new instance of the PdfBlendBase class with the specified elements count

Declaration

protected PdfBlendBase(int count)

Parameters

Type	Name	Description
System.Int32	count	The number of the elements.

Properties

Count

Gets the number of elements that specify the blend.

Declaration

protected int Count { get; }

Property Value

Type
System.Int32

Positions

Gets or sets the array of positions

Declaration

public float[] Positions { get; set; }

Property Value

Type
System.Single[]

Examples

//Create a new PDF document.
PdfDocument doc = new PdfDocument();
//Add a page to the document.
PdfPage page = doc.Pages.Add();
//Create PDF graphics for the page
PdfGraphics graphics = page.Graphics;
//Create new PDF brush.  
PdfLinearGradientBrush brush = new PdfLinearGradientBrush(new PointF(0, 0), new PointF(200, 100), Color.Red, Color.Blue);
//Create PDF blend
PdfBlend blend = new PdfBlend();
//Set factors
blend.Factors = new float[] {1};
//Set poistions
blend.Positions = new float[] {0};
//Set blend to the brush.
brush.Blend = blend; 
//Draw rectangle.
graphics.DrawRectangle(brush, new RectangleF(0, 0, 200, 100));           
//Save the document.
doc.Save("Output.pdf");
//Close the document.
doc.Close(true);

'Create a new PDF document.
Dim doc As New PdfDocument()
'Add a page to the document.
Dim page As PdfPage = doc.Pages.Add()
'Create PDF graphics for the page
Dim graphics As PdfGraphics = page.Graphics
'Create new PDF brush.           
Dim brush As New PdfLinearGradientBrush(New PointF(0, 0), New PointF(200, 100), Color.Red, Color.Blue)
'Create PDF blend
Dim blend As New PdfBlend()
'Set factors
blend.Factors = New Single() {1}
'Set poistions
blend.Positions = New Single() {0}
'Set blend to the brush.
brush.Blend = blend
'Draw rectangle.
graphics.DrawRectangle(brush, New RectangleF(0, 0, 200, 100))
'Save the document.
doc.Save("Output.pdf")
'Close the document.
doc.Close(True)

Methods

Gcd(Int32, Int32)

Determines greatest common divisor of the specified u and v.

Declaration

protected static int Gcd(int u, int v)

Parameters

Type	Name	Description
System.Int32	u	The u.
System.Int32	v	The v.

Returns

Type	Description
System.Int32	The GCD value

Gcd(Single, Single)

Determines greatest common divisor of the specified u and v.

Declaration

protected static float Gcd(float u, float v)

Parameters

Type	Name	Description
System.Single	u	The u.
System.Single	v	The v.

Returns

Type	Description
System.Single	The GCD value

Gcd(Single[])

Calculate the GCD of the specified values.

Declaration

protected static float Gcd(float[] values)

Parameters

Type	Name	Description
System.Single[]	values	The values.

Returns

Type	Description
System.Single	The calculated GCD value.

SetArray(Array)

Sets the array.

Declaration

protected Array SetArray(Array array)

Parameters

Type	Name	Description
System.Array	array	The array, which has values.

Returns

Type	Description
System.Array	The array if it's passed all tests.