PDFViewCtrlGetDeviceTransform Method (Int32)

Gets device transformation matrix from current page

Namespace: pdftron.PDF
Assembly: pdftron (in pdftron.dll) Version: 255.255.255.255

Syntax

public Matrix2D GetDeviceTransform(
	int page_num
)

Public Function GetDeviceTransform ( 
	page_num As Integer
) As Matrix2D

public:
virtual Matrix2D^ GetDeviceTransform(
	[InAttribute] int page_num
) sealed

function GetDeviceTransform(page_num);

Parameters

page_num: Type: SystemInt32
same as for PDFViewCtrl.Conv???() methods.

Return Value

Type: Matrix2D
the device transformation matrix. The device transformation matrix maps the page coordinate system to screen (or device) coordinate system.

Remarks

to obtain a transformation matrix that maps screen coordinates to page coordinates, you can invert the device matrix.

Examples

Common::Matrix2D scr2page(pdfviewctrl.GetDeviceTransform()); scr2page.Inverse();

Reference

PDFViewCtrl Class

GetDeviceTransform Overload

pdftron.PDF Namespace

PDFViewCtrlAddLanguageSpecificTextSet("LSTE3CA2961_0?cpp=::|nu=.");GetDeviceTransform Method (Int32)

Parameters

Return Value

Reference

PDFViewCtrlGetDeviceTransform Method (Int32)