Question

How TGPGraphicsPath works?

Asked by: jaja2005

Someone can explain me how  TGPGraphicsPath works?

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Asked On
2009-10-13 at 00:56:57ID24806948
Topics

Graphics and Delphi Programming

,

Delphi Components

Participating Experts
1
Points
500
Comments
1

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Answers

 

by: developmentguruPosted on 2009-10-13 at 10:08:52ID: 25561979

TGPGraphicsPath is a Delphi wrapper to the GDI plus class GraphicPath.  Here is the link to the Microsoft definition.

http://msdn.microsoft.com/en-us/library/ms534456(VS.85).aspx

Being a wrapper to the windows class, this is just the "Delphi way" to use the same functionality.  Taken from the MS site:

A GraphicsPath object stores a sequence of lines, curves, and shapes. You can draw the entire sequence by calling the DrawPath method of a Graphics object. You can partition the sequence of lines, curves, and shapes into figures, and with the help of a GraphicsPathIterator object, you can draw selected figures. You can also place markers in the sequence, so that you can draw selected portions of the path.

A quick look at the TGPGraphicsPath class shows many methods for adding lines, curves, bezier curves, etc.  Once you have built your path you can use the path the same as you would in the Microsoft note.

The following link has several examples of using GDI plus in Delphi, 3 (that I saw) show examples using the TGPGraphics Path.

http://delphi.wikia.com/wiki/GDI_Plus

20120131-EE-VQP-002

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