////////////////////////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////////////////////////
public PdfAxialShading
(
PdfDocument Document,
Double PosX,
Double PosY,
Double Width,
Double Height,
PdfShadingFunction ShadingFunction
) : base(Document, false)
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('A');
// color space red, green and blue
AddToDictionary("/ColorSpace", "/DeviceRGB");
// shading type axial
AddToDictionary("/ShadingType", "2");
// bounding box
AddToDictionary("/BBox", String.Format(NFI.DecSep, "[{0} {1} {2} {3}]", ToPt(PosX), ToPt(PosY), ToPt(PosX + Width), ToPt(PosY + Height)));
// assume the direction of color change is along x axis
AddToDictionary("/Coords", String.Format(NFI.DecSep, "[{0} {1} {2} {1}]", ToPt(PosX), ToPt(PosY), ToPt(PosX + Width)));
// add shading function to shading dictionary
AddToDictionary("/Function", ShadingFunction);
return;
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF axial shading constructor.
/// </summary>
/// <param name="Document">Parent PDF document object</param>
/// <param name="PosX">Position X</param>
/// <param name="PosY">Position Y</param>
/// <param name="Width">Width</param>
/// <param name="Height">Height</param>
/// <param name="ShadingFunction">Shading function</param>
////////////////////////////////////////////////////////////////////
public PdfAxialShading(
PdfDocument Document,
Double PosX,
Double PosY,
Double Width,
Double Height,
PdfShadingFunction ShadingFunction
)
: base(Document)
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('S');
// color space red, green and blue
Dictionary.Add("/ColorSpace", "/DeviceRGB");
// shading type axial
Dictionary.Add("/ShadingType", "2");
// bounding box
Dictionary.AddRectangle("/BBox", PosX, PosY, PosX + Width, PosY + Height);
// assume the direction of color change is along x axis
Dictionary.AddRectangle("/Coords", PosX, PosY, PosX + Width, PosY);
// add shading function to shading dictionary
Dictionary.AddIndirectReference("/Function", ShadingFunction);
return;
}
/// <summary>
/// PDF radial shading constructor for one unit bounding box
/// </summary>
/// <param name="Document">Parent PDF document object.</param>
/// <param name="ShadingFunction">Shading function.</param>
public PdfRadialShading
(
PdfDocument Document,
PdfShadingFunction ShadingFunction
) : this(Document, 0.0, 0.0, 1.0, 1.0, ShadingFunction)
{
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF radial shading constructor.
/// </summary>
/// <param name="Document">Parent PDF document object</param>
/// <param name="PosX">Position X</param>
/// <param name="PosY">Position Y</param>
/// <param name="Width">Width</param>
/// <param name="Height">Height</param>
/// <param name="ShadingFunction">Shading function</param>
////////////////////////////////////////////////////////////////////
public PdfRadialShading
(
PdfDocument Document,
Double PosX,
Double PosY,
Double Width,
Double Height,
PdfShadingFunction ShadingFunction
) : base(Document)
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('S');
// color space red, green and blue
Dictionary.Add("/ColorSpace", "/DeviceRGB");
// shading type radial
Dictionary.Add("/ShadingType", "3");
// bounding box
Dictionary.AddRectangle("/BBox", PosX, PosY, PosX + Width, PosY + Height);
// set center to bounding box center and radius to half the diagonal
Dictionary.AddFormat("/Coords", "[{0} {1} {2} {0} {1} 0]", ToPt(PosX + Width / 2), ToPt(PosY + Height / 2), ToPt(Math.Sqrt(Width * Width + Height * Height) / 2));
// add shading function to shading dictionary
Dictionary.AddIndirectReference("/Function", ShadingFunction);
return;
}
////////////////////////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////////////////////////
public PdfRadialShading
(
PdfDocument Document,
Double PosX,
Double PosY,
Double Width,
Double Height,
PdfShadingFunction ShadingFunction
) : base(Document, false)
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('R');
// color space red, green and blue
AddToDictionary("/ColorSpace", "/DeviceRGB");
// shading type radial
AddToDictionary("/ShadingType", "3");
// bounding box
AddToDictionary("/BBox", String.Format(NFI.DecSep, "[{0} {1} {2} {3}]", ToPt(PosX), ToPt(PosY), ToPt(PosX + Width), ToPt(PosY + Height)));
// set center to bounding box center and radius to half the diagonal
AddToDictionary("/Coords", String.Format(NFI.DecSep, "[{0} {1} {2} {0} {1} 0]",
ToPt(PosX + Width / 2), ToPt(PosY + Height / 2), ToPt(Math.Sqrt(Width * Width + Height * Height) / 2)));
// add shading function to shading dictionary
AddToDictionary("/Function", ShadingFunction);
return;
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF radial shading constructor.
/// </summary>
/// <param name="Document">Parent PDF document object</param>
/// <param name="PosX">Position X</param>
/// <param name="PosY">Position Y</param>
/// <param name="Width">Width</param>
/// <param name="Height">Height</param>
/// <param name="ShadingFunction">Shading function</param>
////////////////////////////////////////////////////////////////////
public PdfRadialShading(
PdfDocument Document,
Double PosX,
Double PosY,
Double Width,
Double Height,
PdfShadingFunction ShadingFunction
)
: base(Document)
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('S');
// color space red, green and blue
Dictionary.Add("/ColorSpace", "/DeviceRGB");
// shading type radial
Dictionary.Add("/ShadingType", "3");
// bounding box
Dictionary.AddRectangle("/BBox", PosX, PosY, PosX + Width, PosY + Height);
// set center to bounding box center and radius to half the diagonal
Dictionary.AddFormat("/Coords", "[{0} {1} {2} {0} {1} 0]", ToPt(PosX + Width / 2), ToPt(PosY + Height / 2), ToPt(Math.Sqrt(Width * Width + Height * Height) / 2));
// add shading function to shading dictionary
Dictionary.AddIndirectReference("/Function", ShadingFunction);
return;
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF axial shading constructor.
/// </summary>
/// <param name="Document">Parent PDF document object</param>
/// <param name="BBoxLeft">Bounding box left position</param>
/// <param name="BBoxBottom">Bounding box bottom position</param>
/// <param name="BBoxWidth">Bounding box width</param>
/// <param name="BBoxHeight">Bounding box height</param>
/// <param name="ShadingFunction">Shading function</param>
////////////////////////////////////////////////////////////////////
public PdfAxialShading
(
PdfDocument Document,
double BBoxLeft,
double BBoxBottom,
double BBoxWidth,
double BBoxHeight,
PdfShadingFunction ShadingFunction
) : base(Document)
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('S');
// color space red, green and blue
Dictionary.Add("/ColorSpace", "/DeviceRGB");
// shading type axial
Dictionary.Add("/ShadingType", "2");
// add shading function to shading dictionary
Dictionary.AddIndirectReference("/Function", ShadingFunction);
// bounding box
this.BBoxLeft = BBoxLeft;
this.BBoxBottom = BBoxBottom;
BBoxRight = BBoxLeft + BBoxWidth;
BBoxTop = BBoxBottom + BBoxHeight;
// assume the direction of color change is along x axis
Mapping = MappingMode.Relative;
StartPointX = 0.0;
StartPointY = 0.0;
EndPointX = 1.0;
EndPointY = 0.0;
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF axial shading constructor.
/// </summary>
/// <param name="Document">Parent PDF document object</param>
/// <param name="PosX">Position X</param>
/// <param name="PosY">Position Y</param>
/// <param name="Width">Width</param>
/// <param name="Height">Height</param>
/// <param name="ShadingFunction">Shading function</param>
////////////////////////////////////////////////////////////////////
public PdfAxialShading
(
PdfDocument Document,
Double PosX,
Double PosY,
Double Width,
Double Height,
PdfShadingFunction ShadingFunction
) : base(Document)
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('S');
// color space red, green and blue
Dictionary.Add("/ColorSpace", "/DeviceRGB");
// shading type axial
Dictionary.Add("/ShadingType", "2");
// bounding box
Dictionary.AddRectangle("/BBox", PosX, PosY, PosX + Width, PosY + Height);
// assume the direction of color change is along x axis
Dictionary.AddRectangle("/Coords", PosX, PosY, PosX + Width, PosY);
// add shading function to shading dictionary
Dictionary.AddIndirectReference("/Function", ShadingFunction);
return;
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// PDF radial shading constructor.
/// </summary>
/// <param name="Document">Parent PDF document object</param>
/// <param name="BBoxLeft">Bounding box left position</param>
/// <param name="BBoxBottom">Bounding box bottom position</param>
/// <param name="BBoxWidth">Bounding box width</param>
/// <param name="BBoxHeight">Bounding box height</param>
/// <param name="ShadingFunction">Shading function</param>
////////////////////////////////////////////////////////////////////
public PdfRadialShading
(
PdfDocument Document,
double BBoxLeft,
double BBoxBottom,
double BBoxWidth,
double BBoxHeight,
PdfShadingFunction ShadingFunction
) : base(Document)
{
// create resource code
ResourceCode = Document.GenerateResourceNumber('S');
// color space red, green and blue
Dictionary.Add("/ColorSpace", "/DeviceRGB");
// shading type axial
Dictionary.Add("/ShadingType", "3");
// add shading function to shading dictionary
Dictionary.AddIndirectReference("/Function", ShadingFunction);
// bounding box
this.BBoxLeft = BBoxLeft;
this.BBoxBottom = BBoxBottom;
this.BBoxRight = BBoxLeft + BBoxWidth;
this.BBoxTop = BBoxBottom + BBoxHeight;
// assume the direction of color change is along x axis
this.Mapping = MappingMode.Relative;
this.StartCenterX = 0.5;
this.StartCenterY = 0.5;
this.StartRadius = 0.0;
this.EndCenterX = 0.5;
this.EndCenterY = 0.5;
this.EndRadius = Math.Sqrt(0.5);
return;
}
