Perl Graphics Programming : OREILLY - Shawn Wallace

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Perl Graphics Programming

By: Shawn Wallace

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Paperback | 3 January 2003

At a Glance

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465 Pages

Dimensions(cm)
31.0 x 179.0 x 237.0

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Geared toward Perl users and webmasters, "Perl Graphics Programming focuses on open-source scripting programs that manipulate graphics files for use on the Web. The book demystifies the manipulation of graphics formats for newcomers to the Web with a practical, resource-like approach. With this book you'll learn to: generate dynamic Web graphics with charts, tables, and buttons; automate graphics tasks (thumbnails and borders); create dynamics Web documents (PDF, Postscript); and produce rich Internet experiences with Flash and SVG. You'll begin with a tour of the most common web graphic file formats--PNG, JPEG, GIF, SWF, SVG, Postscript and PDF then you'll explore the most powerful tools and Perl modules available for manipulating these graphics, such as GD, PerlMagick, and GIMP. Included in this part of the book is a thorough description of the Ming module for creating on-the-fly Flash files. Next, a "cookbook" section includes practical, all purpose recipes: GIF animation, generating images within a dynamic application, communicating between SWF front-end and Perl back-end, XSLT transformations, compression, and more.

Industry Reviews

"In summary, I think this is a very well-written and helpful book. I learned quite a lot from it quite rapidly. Someone with a graphics problem to be solved (and quite a few other problems as well) will soon be put on the right track with the aid of this book as to what packages to try and what lines to follow. I am sure I will refer to it frequently in the future." - John Collins, news@UK

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

Perl Graphics Programming

At a Glance

Paperback

Industry Reviews

Shipping

How to return your order

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