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Sets dash pattern type.
Delphi 구문:
procedure SetDash ( DashArray: array of Byte; Phase: Byte );
C++ 구문:
void __fastcall SetDash ( const Byte * DashArray, const int DashArray_Size, Byte Phase);
Description:
Line dash pattern은 path stroke에 사용되는 dash 및 gap의 pattern을 제어합니다. Dash array와 dash phase로 지정됩니다. Dash array element는 교대로 나타나는 dash와 gap의 length를 지정하는 number이며, dash phase는 dash를 시작할 dash pattern 내부 distance를 지정합니다
Examples of line dash patterns
| DASH ARRAY |
DASH PHASE |
APPEARANCE |
DESCRIPTION |
| [] [ 3 ] [ 2 ] [ 2 1 ] [ 3 5 ] [ 2 3 ] |
0 0 1 0 6 11 |
 |
No dash 3 units on, 3 units off ... 1 on, 2 off, 2 on, 2 off, … 2 on, 1 off, 2 on, 1 off, … 2 off, 3 on, 5 off, 3 on, 5 off, … 1 on, 3 off, 2 on, 3 off, 2 on, … |
Code Example
program FillExample;
{$APPTYPE CONSOLE}
uses
SysUtils, Graphics, Classes, HPDFDoc;
var
HPDF: THotPDF;
const
DashArray: array [0..3] of Byte = ( 6, 4, 2, 4 );
begin
HPDF := THotPDF.Create(nil);
try
HPDF.AutoLaunch := true; // PDF file will be shown automatically
HPDF.FileName := '.\Ellipse.pdf'; // Set PDF filename
HPDF.BeginDoc; // Create PDF file
HPDF.CurrentPage.SetDash( DashArray, 0 ); // Set - . - dash pattern
HPDF.CurrentPage.MoveTo ( 20, 20 ); // Move current point to 20, 20
HPDF.CurrentPage.LineTo ( 300, 100 ); // Draw line from current point to 200, 100
HPDF.CurrentPage.Stroke; // and stroke
HPDF.CurrentPage.NoDash; // Set solid dash pattern
HPDF.CurrentPage.MoveTo ( 300, 100 ); // Move current point to 300, 100
HPDF.CurrentPage.LineTo ( 10, 200 ); // Draw line from current point to 10, 100
HPDF.CurrentPage.Stroke; // and stroke
HPDF.EndDoc; // Close PDF file
finally
HPDF.Free;
end;
end.
참조: NoDash
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