Chapter 3.5. GDI+: The .NET Graphics Interface

IN THIS CHAPTER

• The Basic Principles of GDI+

• The Graphics Object

• Graphics Coordinates

• Drawing Lines and Simple Shapes

• Using Gradient Pens and Brushes

• Textured Pens and Brushes

• Tidying up Your Lines with Endcaps

• Curves and Paths

• The GraphicsPath Object

• Clipping with Paths and Regions

• Transformations

• Alpha Blending

• Alpha Blending of Images

• Other Color Space Manipulations

In this chapter, we'll look at the Graphical Device Interface (GDI) used by Windows Forms to create graphics. Notice the name is GDI+ not GDI.NET. This is because GDI+ is not solely a .NET Framework API. It can also be used by unmanaged code. For the purposes of this chapter however, we'll use it exclusively from Windows Forms.