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| PROGRAMMING WITH QUARTZ
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2D and PDF Graphics in Mac OS X
To order this title, and for more information, click here
By
David Gelphman, Apple, Cupertino, California, U.S.A.
Bunny Laden, Apple, Cupertino, California, U.S.A.
Included in series
The Morgan Kaufmann Series in Computer Graphics,
Description
Written by members of the development team at Apple, Programming with Quartz is the first book to describe the sophisticated
graphics system of Mac OS X. By using the methods described in this book, developers will be able to fully exploit the state-of-the-art
graphics capabilities of Mac OS X in their applications, whether for Cocoa or Carbon development. This book also serves as an introduction
to 2D graphics concepts, including how images are drawn and how color is rendered. It includes guidance for working with PDF documents,
drawing bitmap graphics, using Quartz built-in color management, and drawing text. Programming with Quartz is a rich
resource for new and experienced Mac OS X developers, Cocoa and Carbon programmers, UNIX developers who are migrating to Mac OS X, and
anyone interested in powerful 2D graphics systems.
Audience
Cocoa and Carbon programmers who want to understand and fully exploit the power of the graphics system in Mac OS X and those who are looking
to add new drawing capabilities, add support for PDF documents, or improve the quality of the graphics in their applications.
UNIX
developers interested in the graphics capabilities of Mac OS X.
Web developers who want to create dynamic content using Quartz.
Contents
Foreword by Philip Schneider
Preface
Our Objective
Outline
Source Code
Header Files
Conventions
and Assumptions
Quartz Technologies
Acknowledgements
Chapter 1 Introducing Quartz 2D
A Bit of History
Quartz
2D Overview
What Software Can Use Quartz 2D?
Summary
See Also
Chapter 2 Quartz 2D Drawing Basics
Quartz
Graphics Contexts
Filling a Rectangle
Stroking a Rectangle
The Order of Fill and Stroke Operations
Transforming the Coordinate
System
Constructing Quartz Paths
Painting with Alpha
Making Dashed Lines
Clipping a Drawing
Drawing PDF Content
More
About Graphics Contexts
Summary
See Also
Chapter 3 Using Quartz 2D in Cocoa
Xcode Overview
Creating
a Cocoa Xcode Project in Tiger
Creating a View in Interface Builder
Connecting the Interface to the Code
Obtaining a Graphics
Context in Cocoa
Writing the Drawing Code
Examining the Drawing Output
Cocoa Framework Drawing and Quartz
Summary
See
Also
Chapter 4 Using Quartz 2D in Carbon
Creating a Carbon Xcode Project
Setting Up a Carbon Window
Creating
an Event Handler
Examining the Drawing Output
Using QDBeginCGContext
Summary
See Also
Chapter 5 The Quartz
Coordinate System and Coordinate Transformations
User Space and Device Space
Coordinate Transformations
The Current
Transformation Matrix
The Mathematics of Affine Transforms
Saving and Restoring a Coordinate System
Affine Transform Convenience
Functions
Summary
See Also
Chapter 6 Drawing with Paths
Properties of Paths
- Path Construction
Primitives
- Cubic Bézier Curves
- Quadratic Bézier Curves
Closing Subpaths
Path Construction Convenience
Functions
- Additional Path Convenience Functions (Tiger)
Stroking Paths
- Line Width
- Line Joins
- Line
Caps
- Line Dash
Filling Paths
Clipping With Paths
CGPath Objects (Jaguar and later only)
Anti-aliasing
Path
Utility Functions
- Aligning User Space Coordinates on Pixel Boundaries
Summary
See Also
Chapter
7 Color, Alpha Transparency, and the Quartz Graphics State
Color and Color Spaces
- A General Approach to Setting
Color
- Calibrated Color Spaces
- Device Color Spaces
- Special Color Spaces
- Creating Color Spaces by Name
- Rendering
Intents
Alpha Transparency
CGColorRef Objects (Panther and later)
Graphics State
Parameters
Summary
See Also
Chapter 8 Data Providers and Data Consumers
Data Providers
- CGDataProviderCreateWithURL
- CGDataProviderCreateWithData
- CGDataProviderCreate
- CGDataProviderCreateDirectAccess
- CGDataProviderCreateWithCFData (Tiger and later)
Guidelines
for Using Data Providers
Data Consumers
Summary
Chapter 9 Drawing Images
Creating CGImage Objects
- Specialized
Functions for JPEG and PNG
- Drawing Images into a Flipped Coordinate System
- A General Function for Uncompressed Data
- Generalized
Functions for Compressed Image Data (Tiger and later)
- Importing Image Data With QuickTime
- Guidelines for Image Creation
Best
Practices for Working With Images
Image Utility Functions
- Getting Image Dimensions
- Getting the Pixel Format
- Creating
an Image from a Bitmap Context
- Working With Color Spaces
- Creating Subimages
Writing Image Data using CGImageDestination
(Tiger)
Exporting to JPEG Using a QuickTime Exporter
Summary
See Also
Chapter 10 Image Masking
Creating
an Image Mask
- Drawing and Inverting a 1-Bit Image Mask
- Drawing an 8-Bit Deep Mask
Masking an Image (Tiger)
- Masking
an Image with an Image Mask
- Masking an Image with an Image
- Masking Guidelines
Using Color as a Mask (Tiger)
Clipping
to a Mask (Tiger)
Summary
See Also
Chapter 11 Text
Text Drawing Parameters
- Font and Font
Size
- Text Matrix and Text Position
- Text Drawing Modes
- Font Smoothing (Jaguar)
- Character Spacing
Drawing
Text Using Quartz
- Drawing with Characters
- Drawing with Glyphs
Drawing Text Using Cocoa
- Using NSString
- Using
NSLayoutManager
- Subclassing to Get Additional Control
Drawing Text Using Carbon
- Using HIThemeDrawTextBox
(Panther)
- Using Multilingual Text Engine
- Using Apple Type Services for Unicode Imaging
Drawing Text in a Flipped
Coordinate System
Summary
See Also
Chapter 12 Creating Bits
Bitmap Graphics Context
- Supported
Pixel Formats
- Creating a Bitmap Graphics Context
- Getting Information About a Bitmap Context
- Using the Bitmap
Data from a Bitmap Context
CGLayers (Tiger)
- Creating a CGLayer Object
- Drawing to a CGLayer
- Drawing
the Contents of a CGLayer
- Using a CGLayer to Draw a Checkerboard
Caching Drawing Offscreen
- Drawing Repeatedly
Without Caching
- Drawing Repeatedly With Bitmap Context Caching
- Drawing Repeatedly With CGLayer Caching
- Display
Profile Issues
Replacing CopyBits
Summary
See Also
Chapter 13 Opening and Drawing PDF Documents
PDF
Document Properties
Opening a PDF Document
Using PDF as a Graphical Interchange
- Creating PDF Data From the Pasteboard:
Cocoa
- Creating PDF from the Pasteboard: Carbon
Drawing PDF Pages
- Drawing With CGContextDrawPDFDocument
- Drawing
PDF Documents in a Flipped Coordinate System
- Using CGPDFPage Objects (Panther)
- Drawing with PDF Rotation on Jaguar and
Earlier
Handling Protected PDF Documents (Jaguar)
PDF Document Utility Functions
Summary
See Also
Chapter
14 Creating and Examining PDF Documents
Creating New PDF Documents
- Using CGPDFContextCreateWithURL
- Using
the Auxiliary Information Dictionary
Copying PDF Content to the Pasteboard
Adding Content to Existing PDF Documents
Adding
Links to PDF Documents (Tiger)
- Creating a Link to a URL
- Creating a Link to Another Page in the Document
Creating
Encrypted PDF Output (Tiger)
PDF Document Generation Issues
Examining PDF Document Content (Panther, Tiger)
- Quartz PDF
Introspection
- Scanning the PDF Content Stream (Tiger)
Summary
See Also
Chapter 15 Advanced Drawing
Features
Drawing with Patterns
- Creating Patterns
- Creating and Drawing Colored Patterns
- Base Space,
the Pattern Matrix, and Transforming Patterns
- Pattern Phase
- Creating and Drawing Stencil Patterns
- Drawing Complex
Patterns
- Pattern Issues
Drawing with Shadows (Panther)
- Shadow Attributes
- Creating and Drawing With
Shadows
- Shadow Offset and Quartz Base Space
- Shadows and Grouped Objects
- Shadows and PDF Documents
Drawing
with Transparency Layers (Panther)
- Using Transparency Layers
- Alpha Compositing and Transparency Layers
- Transparency
Layers and PDF Documents
- Transparency Layers Compared to CGLayers
Drawing With Shadings (Jaguar)
- Shading
Concepts and the CGFunction
- Axial Shadings
- Radial Shadings
- Radial Shading Geometries
- Transforming Shadings
Summary
See
Also
Chapter 16 Supporting PostScript and EPS Data
Overview of the Conversion Process
Quartz Conversion
Functions and Callbacks (Panther)
Creating a PDF Data File From PostScript Data
Using Converted PostScript Data in Your Application
PSConverter
Advanced Issues
Printing Source EPS Data
Guidelines for Supporting EPS Data in Your Application
Summary
See Also
Chapter
17 Performance and Debugging
Optimizing Performance
- The Quartz Compositor
- Quartz Object and Memory Model
- Improving
Performance
- Measuring Performance
Debugging Your Drawing
- Examining the Coordinate System
- Checking
the Clipping Area
- Drawing a Debugging Rectangle
- Looking for Console Messages
- Checking for Data Provider Integrity
- Checking
for Immutability Violations
- Checking for Improperly Initialized Contexts
- Checking for Out-of-Sync Color Setting
- Drawing
Images to a PDF Context
- Releasing a CGPDFContext Object
- Checking Pattern Color Space Usage
- Using PDF Generation
as a Debugging Aid
Summary
See Also
Chapter 18 Creating Quartz Tools and Python Scripts
Python
Scripting with Quartz (Panther)
Creating Bits with Python
Using Quartz in UNIX Tools
The PDF Workflow in Printing (Jaguar)
Summary
See Also
Index
| Bibliographic details |
Paperback, 704 pages, publication date: DEC-2005
ISBN-13: 978-0-12-369473-7
ISBN-10: 0-12-369473-6
Imprint: MORGAN KAUFFMAN
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Last update: 5 Sep 2009
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