Perl Graphics Programming,9780596002190

Perl Graphics Programming

by
ISBN13: 9780596002190
ISBN10: 059600219X
Format: Paperback
Pub. Date: 2002-12-01
Publisher(s): Oreilly & Associates Inc
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Summary

This insightful volume focuses on scripting programs that enable programmers to manipulate graphics for the Web. The book also helps demystify the manipulation of graphics formats for web newcomers with a practical, resource-like approach. While most of the examples use Perl as a scripting language, the concepts are applicable to any programming language. The book documents ways to use several powerful Perl modules for generating graphics, including GD, PerlMagick, and GIMP. Perl Graphics Programming will change how you think about creating and manipulating graphics for publishing on the Web.

Author Biography

has been applying computers to graphics problems for the past fifteen years. A programmer and artist, Shawn is managing director of the AS220 (www.as220.org) artist community in Providence, RI, a cofounder of the SMT Computing Society, and a member of the Rhode Island chapter of the Perl Mongers. He is also involved in the Bolero open source music notation system (www.as220.org/shawn/bolero) and the Institute for Folk Computing, a program to inform and inspire the use of open software by the general public in Providence. Shawn studied computer engineering at the University of Rhode Island and participated in the construction of an early (mid-80s) hypermedia delivery system at HyperView Systems in Middletown, RI.

Table of Contents

Preface ix
Part I. Raster Images and Web Graphics
Creating Graphics with Perl
3(22)
Introduction to File Formats
3(2)
Color
5(5)
Raster File Formats
10(7)
Vector Graphic File Formats
17(4)
Document File Formats
21(3)
References
24(1)
On-the-Fly Graphics with GD
25(37)
GD Basics
26(1)
Sample GD Applications
27(8)
Reading and Writing Methods
35(5)
Getting and Setting General Information
40(1)
Color Table Manipulation Methods
41(3)
Brushes, Styles, and Tiles
44(4)
Copying and Transforming Images
48(2)
Image Drawing and Manipulation Methods
50(3)
Strings and Fonts
53(2)
Polygon Methods
55(7)
Graphics Scripting with Image::Magick
62(55)
What Is ImageMagick?
62(3)
Using Image::Magick
65(5)
Sample Image::Magick Applications
70(9)
Reading and Writing Images
79(3)
Retrieving and Setting File Information
82(4)
Sizing and Transforming Images
86(5)
Copying and Composing Images
91(4)
Color and Transparency
95(5)
Annotation and Drawing
100(6)
Filters and Effects
106(11)
Charts and Graphs with GD::Graph
117(28)
Let's Make Some Graphs!
117(8)
A Sample GD::Graph Application
125(5)
GD::Graph Methods
130(4)
Attributes of GD::Graph Objects
134(8)
Colors and Fonts in GD::Graph
142(3)
Scripting the Gimp with Perl
145(30)
Getting and Installing the Gimp
145(3)
Writing Gimp Plug-ins in Perl
148(2)
Your First Gimp Script
150(5)
Object-Oriented Versus Procedural Scripting
155(3)
Adding New Features to the Gimp
158(13)
Standalone Scripts
171(4)
Part II. Vector Images and Animations
SVG: The Scalable Vector Graphics Format
175(20)
SVG Document Structure
176(4)
The Basic SVG Tags
180(15)
Creating SVG with Perl
195(20)
A Slide-Show Presentation
195(6)
SVG Animation
201(1)
Creating a Bouncing Ball
202(2)
SVG Scripting with JavaScript
204(4)
Using Unicode Text in SVG Images
208(2)
Transformation with XSLT and Perl
210(5)
SWF: The Flash File Format
215(23)
The History of Flash and SWF
215(1)
The Format and Function of SWF Files
216(7)
Anatomy of a Tag
223(10)
Parsing an SWF File with Perl
233(5)
Using Ming
238(53)
Installation
238(1)
Overview of the Perl Interface
239(1)
The Astral Trespassers Game
240(6)
The SWF Module
246(1)
The SWF::Movie Module
247(2)
The SWF::Sprite (or SWF::MovieClip) Module
249(1)
The SWF::DisplayItem Module
250(4)
The SWF::Shape Module
254(5)
The SWF::Button Module
259(3)
The SWF::Bitmap Module
262(1)
The SWF::Text Module
263(2)
The SWF::TextField Module
265(2)
The SWF::Font Module
267(1)
The SWF::Fill Module
268(1)
The SWF::Gradient Module
269(1)
The SWF::Morph Module
269(3)
The SWF::Sound Module
272(1)
The SWF::Action Module
272(1)
SWF Recipes
273(18)
Part III. Documents and Printing
Printing with Postscript and PDF
291(24)
PostScript in a Nutshell
291(8)
Portable Document Format (PDF)
299(15)
References
314(1)
Using the PostScript Modules
315(18)
Creating PostScript from a Web Interface
316(4)
The PostScript::TextBlock Module
320(6)
The PostScript::Document Module
326(2)
The PostScript::Elements Module
328(4)
Other PostScript Modules
332(1)
Creating PDF Documents with Perl
333(104)
Introduction to PDF::API2
333(3)
Creating Address Labels
336(5)
Adding to Existing PDF Files
341(2)
PDF::API2 Reference
343(4)
PDF::API2::Page
347(2)
PDF::API2::Content
349(4)
PDF::API2::Gfx
353(2)
PDF::API2::Text
355(2)
PDF::API2::Outline
357(3)
References
360(3)
Part IV. Appendixes
A. Serving Graphics on the Web
363(22)
B. Gimp Reference
385(28)
C. Image::Magick File Formats
413(5)
D. ActionScript Reference
418(19)
Index 437

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