} Working with Images The Image and Bitmap Classes You can also specify which type of drawing must occur at the ends of the stroke with the StartCap and EndCap properties of the Pen class: In addition, you can indicate if you want the stroke to be full, dashed, or dotted using the DashStyle property of the Pen class. You can specify the thickness of the stroke using the Width property of the Pen class.
Here is the code that draws a Bezier curve. The classĪs we have seen, in the same way as an artist needs a pen to draw a curve, the methods of the Graphics class are used to draw lines, curves, or the outline of shapes all we need is an instance of. It is important to call the Dispose( ) method as soon as possible of the Graphics class obtained by the call to CreateGraphic( ). Again, we acquire an instance of the class by calling the CreateGraphics method of the Control or Form class. GDI stands for Graphical Device Interface, and the GDI+ library contains those classes that allow you to accomplish all types of rendering operations: rendering of lines, curves, gradients, display images… GDI+ also allows you to draw geometric shapes such as Bezier curves. Similarly, the following code draws a blue pie shape with a 60 degree angle, as shown below: Private void Form1_Resize( object sender, System.EventArgs e)
Private void MainForm_Paint( object sender, e) This.Paint += new ( this.MainForm_Paint) This.Resize += new System.EventHandler( this.Form1_Resize) Protected override void Dispose( bool disposing ) SetStyle(ControlStyles.ResizeRedraw, true)
To run this code, create a Windows Forms application and add the code to a method run during the form’s Paint event: For example, the following code draws a 7-pixel wide red line from the upper left corner (1,1) to a point near the middle of the form (100, 100), as shown in figure below: Typically, you specify the Pen class’ color and width in pixels. To use any of these methods, you must provide an instance of the Pen class.
DrawPie: draws a pie shape defined by an ellipse specified by a coordinate pair, a width, a height, and two radial lines.
Alternatively, you can create a Graphics object based on an Image object if you want to save a picture as a file. To create an instance, you typically call a control’s CreateGraphics method. NET begins with drawing lines and shapes, and continues on with work on images and formatting text. NET Framework 2.0’s provision for drawing graphics. This does not mean, however, that the beginner cannot benefit from the. I believe strongly in explaining the 'why', not just the 'how'.ĬtrlPaint - Experimental Landscape Techniques.mp4ĬtrlPaint - Observation to Imagination.mp4ĬtrlPaint - Vehicle Design Start to Finish - 1.mp4ĬtrlPaint - Vehicle Design Start to Finish - 2.mp4ĬtrlPaint - Visual Measuring - proportion.mp4ĭigital Painting - Paint Bucket - Avoiding a messy edge.mp4ĬtrlPaint_brushControl_2_wksht-complete.jpgĬtrlPaint_colored-lines_and_remix-color_-worksheet.Admittedly, the Windows Presentation Foundation (WPF) has established itself as a powerful technology for graphics, amongst other things. The videos on Ctrl+Paint will focus on basic principles and techniques that can be applied to your artwork. What makes these different? Here you'll find a more 'foundational' resource. Ctrl+Paint is my attempt to organize these findings into clear, concise videos to share with the community. Working in the game industry under tight deadlines forced me to come up with a dependable photoshop workflow.