WPF图形编程详解：深入Windows Presentation Foundation

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《Practical WPF Graphics Programming: Advanced .NET Graphics Development with the Windows Presentation Foundation》是一本深入讲解Windows Presentation Foundation (WPF)图形编程的英文PDF资料。该书由杰克·许博士（Dr. Jack Xu）编著，由UniCAD Publishing出版，版权受保护，未经作者和出版社书面许可，禁止任何形式的复制或传输。本书的核心内容聚焦于WPF图形编程的实践应用，为读者提供了一个详细的学习平台，帮助他们理解并掌握.NET框架下如何利用WPF进行高级图形开发。WPF是Microsoft开发的一种用户界面技术，它利用矢量图形和动画来创建现代、高性能的应用程序，特别适合构建复杂的交互式界面和富客户端应用程序。书中涵盖了WPF图形系统的关键概念，包括图形渲染、UI元素的样式和布局、图像处理、动画效果、以及与DirectX和OpenGL等底层图形技术的集成。此外，作者还通过实例代码展示了如何使用WPF的图形API，如Canvas、DrawingVisual、SurfaceElement等，实现动态和静态图形效果。对于有一定英语基础的读者来说，这本书不仅是一份技术指南，也是一本实用的参考手册。它旨在帮助开发者提升图形编程技能，解决实际开发中的问题，并紧跟WPF技术的发展趋势。值得注意的是，尽管作者和出版社已经尽力确保信息的准确性，但本书不提供任何形式的担保，且不承担因使用书中的信息或代码可能导致的附带或间接损失的责任。对于那些寻求提升WPF图形设计能力，或者想要在.NET框架下开发高质量图形应用的专业人士，这是一本不可多得的资源。无论是在个人学习还是团队项目中，它都能提供丰富的实践经验和理论指导，使读者能够更有效地利用WPF进行创新和高效的开发工作。如果你需要批量购买或定制封面和电子版本，出版社提供了优惠的价格政策。

Contents | xvii

Creating Surfaces of Revelution............................ 604

Surface Shading ...............................................................606

SurfaceShading Class............................................ 606

Creating Shaded Surfaces...................................... 610

Chapter 14 3D Model Manipulation ........................615

Lighting and Shading.......................................................615

Light Sources......................................................... 616

Testing Light Sources............................................ 617

Shading.................................................................. 620

Materials ..........................................................................621

Diffuse Materials................................................... 622

Specular and Emissive Materials .......................... 624

Texture Mapping..............................................................627

Using LinearGradientBrush......................... 627

Using RadialGradientBrush......................... 630

Using Image and Tile Brushes..................... 633

2D Elements on 3D Surfaces...........................................634

Viewport2DVisual3D Class ........................ 635

Using Viewport2DVisual3D ....................... 635

Interacting with 3D Models .............................................641

Hit-Testing for 3D Geometries.................... 642

Hit-Testing for 3D Shapes........................... 645

Rotating 3D Objects with Mouse ................ 649

Index ............................................................................653

xx | Introduction

integration between such services within an application. Similar constructs can

be used for creating animation, data binding, and 3D models.

To take further advantage of new powerful graphics hardware technologies,

WPF implements a vector-based graphics model. This allows for graphics to be

scaled based on screen-specific resolution without the loss of image quality,

something nearly impossible with fixed-size raster graphics. In addition, WPF

leverages Direct3D for vector-based rendering and makes use of the graphics

processing unit on any video card that implements DirectX in hardware.

With WPF, graphics elements can be easily integrated into any part of your user

interface. For example, WPF provides 2D shape elements that can be involved

in the user interface (UI) tree like other elements can. You are free to mix these

shapes with any other kind of element, such as a button. The WPF 3D model is

based on the Direct3D technology and allows you to create a custom 3D shape

library that can be reused in your projects. The main benefits that WPF offers in

3D are its ease of use and its ability to integrate 3D content anywhere in a WPF

application.

As you may have already noticed, there are many WPF programming books

available in bookstores. The vast majority of these books are general-purpose

user guides and tutorials, which explain the basics of WPF and how to use it to

implement simple WPF applications. To take full advantage of WPF graphics

features, however, there is a need for a book to provide an in-depth introduction

specifically to WPF graphics programming.

This book is written with the intention of providing you with a complete and

comprehensive explanation of the WPF graphics capability, and pays special

attention to the code implementation details, which will be useful when you

create your own real-world WPF graphics Applications. This book includes over

120 code examples, which cover broad array of topics on WPF graphics

programming. Much of this book contains original work based on my own

programming experience when I was developing commercial Computer Aided

Design (CAD) packages. Without WPF and the .NET framework, developming

advanced graphics is a difficult and time-consuming task. To add even simple

charts or graphs to your applications, you often have to waste effort creating a

chart program, or buy commercial graphics and chart add-on packages.

Practical WPF Graphics Programming provides everything you need to create

advanced graphics in your WPF applications. It shows you how to create a

variety of graphics, ranging from simple 2D shapes to complex 3D surfaces and

interactive 3D models. I’ll try my best to introduce you to WPF graphics

programming in a simple way – simple enough to be easily followed by a

beginner who has never had experience developing WPF graphics applications

before. You can learn from this book how to create a full range of 2D and 3D

graphics applications and how to implement custom 3D geometries and shapes

that can be reused in your WPF projects.

Introduction | xxi

What This Book Includes

This book and its sample code listings, which are available for download at my

website at www.authors.unicadpublish.com/~jack_xu, provide you with:

• A complete, in-depth instruction on practical WPF graphics programming.

After reading this book and running the example programs, you will be able

to add various sophisticated graphics to your WPF applications.

• Over 120 ready-to-run example programs that allow you to explore the

graphics techniques described in the book. These examples can be used to

better understand how graphics algorithms work. You can modify the code

examples or add new features to them to form the basis of your own

projects. Some of the example code listings provided in this book are

already sophisticated graphics packages that can be used directly in your

own real-world WPF applications.

• Many classes in the sample code listings that you will find useful in your

WPF graphics programming. These classes contain matrix manipulation,

coordinate transformation, color maps, chart controls, and the other useful

utility classes. You can extract these classes and plug them into your own

applications.

Is This Book for You?

You don’t have to be an experienced WPF developer or an expert to use this

book. I designed this book to be useful to people of all levels of WPF

programming experience. In fact, I believe that if you have some experience

with the programming language C#, Windows Forms, HTML, and the .NET

framework, you will be able to sit down in front of your computer, start up

Microsoft Visual Studio 2008 and .NET 3.5, follow the examples provided in

this book, and quickly become familiar with WPF graphics programming. For

those of you who are already experienced WPF developers, I believe this book

has much to offer as well. There is a great deal of information in this book about

graphics programming not available in other WPF tutorial and reference books.

In addition, most of the example programs in this book can be used directly in

your own real-world application development. This book will provide you with

a level of detail, explanation, instruction, and sample program code that will

enable you to do just about anything WPF graphics-related.

The majority of the example programs in this book can be used routinely by

WPF developers and technical professionals. Throughout the book, I’ll

emphasize the usefulness of WPF graphics programming to real-world

applications. If you follow the instructions presented in this book closely, you’ll

be able to easily develop various practical WPF graphics applications, from 2D

graphics and charts to a sophisticated 3D model libraries. At the same time, I’ll

not spend too much time discussing programming style, execution speed, and

code optimization, because there is a plethora of books out there that already

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