C# Graphics Programming

by Rod Stephens

• ISBN13: 9781118035504
• ISBN10: 111803550X
• Format: eBook
• Copyright: 2010-11-01
• Publisher: Wrox

Summary

This Wrox Blox teaches you how to add graphics to C# 2008 applications, explaining fundamental graphics techniques such as: drawing shapes with different colors and line styles; filling areas with colors, gradients, and patterns; drawing text that is properly aligned, sized, and clipped exactly where you want it; manipulating images and saving results in bitmap, JPEG, and other types of files. Also covered are instructions for how to greatly increase your graphics capabilities using transformations. Transformations allow you to move, stretch, or rotate graphics. They also let you work in coordinate systems that make sense for your application. You will also learn how to use all of these techniques in printouts. The author describes the sequence of events that produce a printout and shows how to generate and preview printouts. The final sections describe two powerful new graphic tools that were introduced with .NET Framework 3.0: WPF graphics and FlowDocuments. WPF applications can use XAML graphic commands to declaratively draw and fill the same kinds of shapes that a program can draw by using graphics objects. Finally, a discussion on the FlowDocument object shows you how to define items that should be flowed across multiple pages as space permits. This lets you display text, graphics, controls, and other items that automatically flow across page breaks. FlowDocument viewers make displaying these documents easy for you, and simplifies the user''s reading of the documents. This Wrox Blox also contains 35 example programs written in C# 2008, although most of the code works in previous versions of C# as well. The most notable exceptions are WPF graphics and FlowDocuments, both of which require WPF provided in .NET Framework 3.0 and later. Table of Contents Section 1: Using Graphics, Pens, and Brushes 2 Getting a Graphics Object 3 Using a Graphics Object 5 Creating Pens 8 Creating Brushes 11 Section 1 Wrap-up 14 Section 2: Using Advanced Pens and Brushes 15 Custom Dash Patterns 15 Longitudinal Stripes 16 Custom End Caps 18 Linear Gradient Brushes 19 Path Gradient Brushes 21 Section 2 Wrap-up 22 Section 3: Drawing Text 23 Drawing Simple Text 23 Using Layout Rectangles 24 Section 3 Wrap-up 28 Section 4: Manipulating Images 28 Creating and Loading Bitmaps 29 Manipulating Bitmaps 31 Saving Image Files 33 Section 4 Wrap-up 35 Section 5: Using Transformations 35 Basic Transformations 35 World Coordinate Mapping 38 Section 5 Wrap-up 42 Section 6: Printing 42 Using PrintPage 43 Using Other Event Handlers 46 Printing Transformations 48 Section 6 Wrap-up 51 Section 7: Using WPF Graphics 51 Decorative Controls 51 Shape Controls 52 Brushes 56 Section 7 Wrap-up 60 Section 8: Building FlowDocuments 60 BlockUIContainer 61 List 61 Paragraph 61 Section 61 Table 61 Section 8 Wrap-up 63 Conclusion 64 About Rod Stephens 65 Usage Rights for Wiley Wrox Blox Any Wrox Blox you purchase from this site will come with certain restrictions that allow Wiley to protect the copyrights of its products. After you purchase and download this title, you: Are entitled to three downloads Are entitled to make a backup copy of the file for your own use Are entitled to print the Wrox Blox for your own use Are entitled to make annotations and comments in the Wrox Blox file for your own use May not lend, sell or give the Wrox Blox to another user May not place the Wrox Blox file on a network or any file sharing service for use by anyone other than yourself or allow anyone other than yourself to access it May not copy the Wrox Blox file other than as allowed above May not copy, redistribute, or modify any portion of the Wrox Blox contents in any way without prior permission from Wiley If you have any questions about these restrictions, you may contact Customer Care at [phone] (8 a.m. - 5 p.m. EST, Monday - Friday). If you have any issues related to Technical Support, please contact us at 800-762-2974 (United States only) or 317-572-3994 (International) 8 a.m. - 8 p.m. EST, Monday - Friday).