• The Page

• Drawing Destinations: The Graphics Context

• Quartz 2D Opaque Data Types

• Graphics States

• Quartz 2D Coordinates

• Memory Management: Object Ownership

• Quartz Performance: A Look Under the Hood

• Creating a Window Graphics Context

• Window Graphics Context in Cocoa

• Window Graphics Context in Carbon: HIView

• Windows Graphics Context: QuickDraw

• Creating a PDF Graphics Context

• Creating a Bitmap Graphics Context

• Supported Pixel Formats

• Anti-Aliasing

• Obtaining a Graphics Context for Printing

• Path Creation and Path Painting

• The Building Blocks

• Points

• Lines

• Arcs

• Curves

• Ellipses

• Rectangles

• Creating a Path

• Painting a Path

• Parameters That Affect Stroking

• Functions for Stroking a Path

• Filling a Path

• Setting Blend Modes

• Normal Blend Mode

• Multiply Blend Mode

• Screen Blend Mode

• Overlay Blend Mode

• Darken Blend Mode

• Lighten Blend Mode

• Color Dodge Blend Mode

• Color Burn Blend Mode

• Soft Light Blend Mode

• Hard Light Blend Mode

• Difference Blend Mode

• Exclusion Blend Mode

• Hue Blend Mode

• Saturation Blend Mode

• Color Blend Mode

• Luminosity Blend Mode

• Clipping to a Path

• About Color and Color Spaces

• The Alpha Value

• Creating Color Spaces

• Creating Device-Independent Color Spaces

• Creating Generic Color Spaces

• Creating Device Color Spaces (Deprecated in Mac OS X v10.4)

• Creating Indexed and Pattern Color Spaces

• Setting and Creating Colors

• Setting Rendering Intent

• About Quartz Transformation Functions

• Modifying the Current Transformation Matrix

• Creating Affine Transforms

• Evaluating Affine Transforms

• Getting the User to Device Space Transform

• The Math Behind the Matrices

• The Anatomy of a Pattern

• Colored Patterns and Stencil (Uncolored) Patterns

• Tiling

• How Patterns Work

• Painting Colored Patterns

• Write a Callback Function That Draws a Colored Pattern Cell

• Set Up the Colored Pattern Color Space

• Set Up the Anatomy of the Colored Pattern

• Specify the Colored Pattern as a Fill or Stroke Pattern

• Draw With the Colored Pattern

• A Complete Colored Pattern Painting Function

• Painting Stencil Patterns

• Write a Callback Function That Draws a Stencil Pattern Cell

• Set Up the Stencil Pattern Color Space

• Set Up the Anatomy of the Stencil Pattern

• Specify the Stencil Pattern as a Fill or Stroke Pattern

• Draw With the Stencil Pattern

• A Complete Stencil Pattern Painting Function

• How Shadows Work

• Painting With Shadows

• Axial and Radial Gradient Examples

• A Comparison of CGShading and CGGradient Objects

• Extending Color Beyond the End of a Gradient

• Using a CGGradient Object

• Using a CGShading Object

• Painting an Axial Gradient Using a CGShading Object

• Set Up a CGFunction Object to Compute Color Values

• Create a CGShading Object for an Axial Gradient

• Clip the Context

• Paint the Axial Gradient Using a CGShading Object

• Release Objects

• A Complete Routine for an Axial Gradient Using a CGShading Object

• Painting a Radial Gradient Using a CGShading Object

• Set Up a CGFunction Object to Compute Color Values

• Create a CGShading Object for a Radial Gradient

• Paint a Radial Gradient Using a CGShading Object

• Release Objects

• A Complete Routine for Painting a Radial Gradient Using a CGShading Object

• See Also

• How Transparency Layers Work

• Painting to a Transparency Layer

• Moving Data Into Quartz 2D

• Moving Data Out Of Quartz 2D

• Moving Data Between Quartz 2D and Core Image

• About Bitmap Images and Image Masks

• Bitmap Image Information

• Decode Array

• Pixel Format

• Color Spaces and Bitmap Layout

• Creating Images

• Creating an Image From a JPEG File

• Creating an Image From Part of a Larger Image

• Creating an Image From a Bitmap Graphics Context

• Creating an Image Mask

• Masking Images

• Masking an Image With an Image Mask

• Masking an Image With an Image

• Masking an Image With Color

• Masking an Image by Clipping the Context

• Using Blend Modes With Images

• Normal Blend Mode

• Multiply Blend Mode

• Screen Blend Mode

• Overlay Blend Mode

• Darken Blend Mode

• Lighten Blend Mode

• Color Dodge Blend Mode

• Color Burn Blend Mode

• Soft Light Blend Mode

• Hard Light Blend Mode

• Difference Blend Mode

• Exclusion Blend Mode

• Hue Blend Mode

• Saturation Blend Mode

• Color Blend Mode

• Luminosity Blend Mode

• How CGLayer Drawing Works

• Drawing With a CGLayer

• Create a CGLayer Initialized With an Existing Graphics Context

• Get a Graphics Context for the CGLayer

• Draw to the CGLayer Graphics Context

• Draw the CGLayer to the Destination Graphics Context

• Example: Using Multiple CGLayer objects to Draw a Flag

• Opening and Viewing a PDF

• Creating a Transform for a PDF Page

• Creating a PDF File

• Adding Links

• Protecting PDF Content

• Inspecting PDF Document Structure

• Parsing PDF Content

• Write Callbacks for Operators

• Create and Set Up the Operator Table

• Open the PDF Document

• Scan the Content Stream For Each Page

• Writing Callbacks

• Filling a Callbacks Structure

• Creating a PostScript Converter Object

• Creating Data Provider and Data Consumer Objects

• Performing the Conversion

• How Quartz 2D Draws Text

• Controlling How Text Looks

• Drawing Text

• Measuring Text Before Drawing

• Copying Font Variations

• PostScript Fonts

• See Also