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Leopard Sample Code: Cocoa
Cocoa provides classes for custom drawing based on Quartz graphics, and utility functions for common graphics tasks such as copying and drawing bitmap data. To go beyond what Cocoa provides, developers can use the graphics and imaging frameworks in Mac OS X. Cocoa applications have access to a wide variety of graphics technologies including Quartz 2D, Quartz Services, OpenGL, QuickTime, and the Mac OS X printing system.
View all Graphics & Imaging Sample Code.
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BasicCocoaAnimations (HTML) (DMG) (ZIP)
"BasicCocoaAnimations" demonstrates the use of the animator proxy to easily animate Cocoa views and windows.
 2007-06-11
BoingX (HTML) (DMG) (ZIP)
Shows off using Quartz Extreme to provide borderless OpenGL content on the desktop.
 2007-11-06
CALayerEssentials (HTML) (DMG) (ZIP)
Demonstrates the basics of setting up various Core Animation layers
 2008-09-30
CarbonCocoaCoreImageTab (HTML) (DMG) (ZIP)
Carbon-based application creates a Cocoa-based web window which used CoreImage filters to transition between tabbed WebViews
 2006-07-25
CarbonQuartzComposer_TV (HTML) (DMG) (ZIP)
Demonstrates how to integrate Cocoa based QuartzComposer window into a Carbon based application
 2006-10-02
CGDrawPicture (HTML) (DMG) (ZIP)
Deprecated - Shows how to use the QDPictDrawToCGContext API.
 2003-01-14
CIAnnotation (HTML) (DMG) (ZIP)
Image annotation application using Core Image Filters. Demonstrates creation and usage of Image Units.
 2005-08-01
CIColorTracking (HTML) (DMG) (ZIP)
An Objective-C applicaton that implements a GPU-based technique to find the location of a uniquely colored object in a scene
 2008-04-24
Cocoa CG aliasing demo (HTML) (DMG) (ZIP)
Shows how to draw both aliased and anti-aliased text and graphics using Quartz and Cocoa.
 2003-07-17
Cocoa CG arc demo (HTML) (DMG) (ZIP)
Shows how to draw both aliased and anti-aliased arcs using Quartz and Cocoa.
 2003-07-17
Cocoa OpenGL (HTML) (DMG) (ZIP)
Demonstrates using Cocoa with OpenGL, including window setup and event handling.
 2007-10-22
CocoaSlides (HTML) (DMG) (ZIP)
An image browser written using AppKit's Core Animation-based compositing and animation functionality
 2007-11-02
Color Sampler (HTML) (DMG) (ZIP)
Demonstrates one way to sample the color at a given point in an NSView.
2003-01-14
ColorBars (HTML) (DMG) (ZIP)
Shows how to enumerate, select, capture, manipulate, draw to, and release displays using the CGDirectDisplay API.
 2003-01-14
ColorMatching (HTML) (DMG) (ZIP)
Performs simple color matching of images using ColorSync or the QuickTime 6.4 Graphics Importers.
2003-12-18
ColorSyncDevices-Cocoa (HTML) (DMG) (ZIP)
Demonstrates how to use the new ColorSync Device Manager routines in the Cocoa environment.
 2003-01-14
Core Animation QuickTime Layer (HTML) (DMG) (ZIP)
Shows the use of controls in a Layer over a Core Animation QTMovieLayer
 2007-09-26
Cropped Image (HTML) (DMG) (ZIP)
Demonstrates how to extract a sub-image from another image, and some ways of indicating a selection.
2003-01-14
CTMClip (HTML) (DMG) (ZIP)
Deprecated - Shows how to manipulate the Quartz 2D Current Transform Matrix (CTM) for image drawing with clipping.
 2003-01-14
CTMDemo (HTML) (DMG) (ZIP)
Deprecated - Shows how to manipulate the Quartz 2D Current Transform Matrix (CTM) for image drawing without clipping.
 2003-01-14
CubePuzzle (HTML) (DMG) (ZIP)
Models a Rubik's Cube using Cocoa and OpenGL
 2003-04-21
DragItemAround (HTML) (DMG) (ZIP)
Illustrates creating a custom subclass of NSView.
 2006-03-16
FancyAbout (HTML) (DMG) (ZIP)
Demonstrates several visual effects for "About..." panels such as scrolling text, window without a title bar, and ways to dismiss the window.
2003-10-27
FunkyOverlayWindow (HTML) (DMG) (ZIP)
Demonstrates several window layering, transparency and widget interaction techniques in Cocoa.
 2003-05-08
GeekGameBoard (HTML) (DMG) (ZIP)
Shows how to use Core Animation for the user interface of a board or card game.
 2007-12-19
GLChildWindowDemo (HTML) (DMG) (ZIP)
Shows using Cocoa's child windows and Quartz Extreme to provide 2D/3D overlays above 3D content.
2003-04-21
GLSLShowpiece (HTML) (DMG) (ZIP)
GLSLShowpiece demonstrates several Vertex and Fragment shaders
 2006-07-17
Grady (HTML) (DMG) (ZIP)
Demonstrates how to use the NSGradient class.
 2007-02-28
Image Difference (HTML) (DMG) (ZIP)
Demonstrates a way to use Quartz's compositing capability to find the difference between two images.
2003-01-30
Image Kit with Core Data (HTML) (DMG) (ZIP)
Using Image Kit's browser view with Core Data content.
 2008-07-25
ImageBackground (HTML) (DMG) (ZIP)
Shows how to draw an image in the background of an NSOutlineView and NSTableView.
 2006-10-02
ImageBrowser (HTML) (DMG) (ZIP)
Demonstrates the ImageKit's IKImageBrowserView to browse images in a basic Cocoa application.
 2007-03-13
LayerBackedOpenGLView (HTML) (DMG) (ZIP)
"LayerBackedOpenGLView" provides a simple example of hosting Cocoa controls as subviews of an NSOpenGLView.
 2007-06-12
Link Snoop (HTML) (DMG) (ZIP)
Shows how to use PDFKit to scan for and highlight link annotations in PDFs.
 2005-06-01
LiveVideoMixer3 (HTML) (DMG) (ZIP)
LiveVideoMixer3 is extended to support Video In via QTKit
 2006-08-01
MassiveImage (HTML) (DMG) (ZIP)
Shows how to use a CGDataProvider to save a very large image with Image IO
 2007-09-27
Monochrome Image (HTML) (DMG) (ZIP)
Applies the NTSC color weighting formula to an image to generate a monochrome version of the image.
 2003-07-16
MyCustomColorPicker (HTML) (DMG) (ZIP)
Shows how to write a custom color picker using Cocoa.
 2006-10-09
NSGLImage (HTML) (DMG) (ZIP)
Deprecated - Demonstrates how to texture in OpenGL with an NSImage and/or NSBitmapImageRep
 2004-12-01
NSOpenGL Fullscreen (HTML) (DMG) (ZIP)
Demonstrates how to create and switch between windowed and fullscreen OpenGL contexts using NSOpenGL.
 2004-02-11
OpenGL Filter Basics Cocoa (HTML) (DMG) (ZIP)
How to use Objective-C and MVC design patterns in installing and utilizing filters in an OpenGL rendering pipeline
 2008-02-06
OpenGL Screensaver (HTML) (DMG) (ZIP)
Demonstrates how to integrate OpenGL drawing into a standard Cocoa screen saver on Mac OS X.
2003-12-10
OpenGLCompositorLab (HTML) (DMG) (ZIP)
Demonstrates using OpenGL to composite multiple sources in hardware. Requires NVIDIA GeForce 4 Ti hardware.
 2003-04-21
PDF Annotation Editor (HTML) (DMG) (ZIP)
Demonstrates how to use PDF Kit to examine, edit, and create PDF annotations.
 2006-07-31
PDF Calendar (HTML) (DMG) (ZIP)
Demonstrates how to use PDF Kit to create PDF content.
 2006-07-31
PDFKitLinker2 (HTML) (DMG) (ZIP)
Demonstrates many aspects of PDFKit including navigation, display modes, searching, and PDFView subclassing.
 2005-08-10
PDFView (HTML) (DMG) (ZIP)
Shows how to display or print a multi-page PDF document and scroll an NSscrollview's contents by dragging.
2003-01-23
PictureTaker (HTML) (DMG) (ZIP)
Demonstrates the PictureTaker in a basic Cocoa application
 2007-04-02
Polygons (HTML) (DMG) (ZIP)
Demonstrates the NSBezierPath class, as well as the manipulation of NSView's coordinate space for convenience.
2003-01-14
QCFundamentals (HTML) (DMG) (ZIP)
Demonstrates Coordinate, Interpolation, and Iterative systems in Quartz Composer with an amusing animation
 2006-08-07
QCGalaxy (HTML) (DMG) (ZIP)
Demonstrates use of Particle Systems and Core Image Filters in Quartz Composer
 2006-08-07
QTCoreImage101 (HTML) (DMG) (ZIP)
Demonstrates how to render a QuickTime Movie using Core Image filters and the new video pipeline.
 2005-07-19
QTCoreVideo102 (HTML) (DMG) (ZIP)
An application demonstrating the use of QTKit, CoreVdeo, and OpenGL.
 2008-06-06
QTCoreVideo103 (HTML) (DMG) (ZIP)
Demonstrates how to render a QuickTime Movie using OpenGL texture range and the Core Video pixel buffer pipeline.
2008-06-06
QTCoreVideo201 (HTML) (DMG) (ZIP)
Demonstrates how to render a QuickTime Movie using OpenGL FBO and the Core Video texture pipeline.
 2008-06-06
QTCoreVideo202 (HTML) (DMG) (ZIP)
Demonstrates how to render a QuickTime Movie using OpenGL PBO and the Core Video pixel buffer pipeline.
 2009-04-07
QTCoreVideo301 (HTML) (DMG) (ZIP)
Demonstrates adding of effects & filters to QuickTime Movies in realtime using GLSL shaders and the Core Video texture pipeline.
 2009-04-07
QTtoCG (HTML) (DMG) (ZIP)
Shows how to create a CGImageRef with the proper ColorSync profile from a QuickTime image on disk.
 2003-01-14
Quartz 2D Shadings (HTML) (DMG) (ZIP)
Shows how to use CGShading and CGGradient objects to draw simple gradients.
 2007-08-31
Quartz 2D Transformer (HTML) (DMG) (ZIP)
Shows how to use Quartz 2D to manipulate an image
 2007-06-21
Quartz Composer Live DV (HTML) (DMG) (ZIP)
Shows how to export a Quartz Composer composition as a real-time DV stream on the FireWire port.
 2005-06-01
Quartz Composer Matrix (HTML) (DMG) (ZIP)
Shows how to use Quartz Composer to display a QuickTime movie as a series of frames in a 3D world.
 2005-06-01
Quartz Composer Offline Rendering (HTML) (DMG) (ZIP)
Shows how to render a Quartz Composer composition as a series of images using an OpenGL pBuffer.
 2005-06-01
Quartz Composer QCTV (HTML) (DMG) (ZIP)
Shows how to build a fake TV system using Quartz Composer as the foundation motion graphics.
 2005-07-06
Quartz Composer Texture (HTML) (DMG) (ZIP)
Shows how to use a Quartz Composer composition as an OpenGL texture.
 2005-06-01
Quartz Composer WWDC 2005 Composition (HTML) (DMG) (ZIP)
Shows how to build a parameterized motion graphics composition with Quartz Composer.
 2005-06-01
Quartz Composer WWDC 2005 TextEdit (HTML) (DMG) (ZIP)
Demonstrate how to modify TextEdit's about dialog to display a Quartz Composer composition.
 2005-06-01
Quartz EB (HTML) (DMG) (ZIP)
WWDC 2001 Early Bird Quartz 2D tutorial of vector drawing and PDF import/export.
 2003-01-14
Quartz2DBasics (HTML) (DMG) (ZIP)
Carbon and Cocoa sample code demonstrating some basic usage of the Quartz 2D API
2006-09-11
QuartzComposerSamplePatches (HTML) (DMG) (ZIP)
A short list of new patches in Quartz Composer Mac OS X 10.5
 2007-06-11
QuartzLines (HTML) (DMG) (ZIP)
Drawing Lines using Quartz's CGPath & CGContextStrokeLineSegments functions.
 2005-06-01
Reducer (HTML) (DMG) (ZIP)
Simple utility for rescaling bitmapped images. Demonstrates use of Core Image, NSAnimation, view drawing redirection.
 2005-06-06
RGB Image (HTML) (DMG) (ZIP)
Demonstrates compositing to separate an NSimage into its RGB components, and how to recombine those components.
 2003-01-14
RGB ValueTransformers (HTML) (DMG) (ZIP)
Supersedes the "RGB Image sample". Sample now uses bindings. Color separation now done in an NSValueTransformer subclass.
2003-11-18
RoundTransparentWindow (HTML) (DMG) (ZIP)
Creating (in Cocoa) custom-shaped windows and transparent window content; plus changing the shape of windows dynamically.
 2003-01-14
SimpleCocoaJavaMovieCocoa (HTML) (DMG) (ZIP)
Deprecated - Shows how to use the NSMovieView and NSMovie Cocoa Java AppKit classes.
 2003-01-14
Son of Grab (HTML) (DMG) (ZIP)
Shows how to use the new CGWindow to get window images from the Window Server.
 2007-11-01
SonOfSillyBalls (HTML) (DMG) (ZIP)
Draws a bunch of randomly colored, randomly placed, silly balls in a window on the screen.
2003-01-14
Squiggles (HTML) (DMG) (ZIP)
Demonstrates many Cocoa fundamentals in a Document-based Application featuring custom drawing and event-handling.
 2008-08-29
TexturePerformanceDemo (HTML) (DMG) (ZIP)
OpenGL texture optimization demo for WWDC Session 214
 2005-06-01
Tinted Image (HTML) (DMG) (ZIP)
Demonstrates the use of an NSImage as an off-screen drawing destination.
2003-01-14
Transformed Image (HTML) (DMG) (ZIP)
Shows the effects of a rendering an NSImage in a transformed coordinate space.
 2003-01-14
UnsharpMask (HTML) (DMG) (ZIP)
Demonstrates how to build Automator actions using Cocoa frameworks.
 2005-06-06
VBL (HTML) (DMG) (ZIP)
A simple example of how to create an OpenGLView in AppKit.
 2003-07-07
VertexPerformanceDemo (HTML) (DMG) (ZIP)
Vertex optimization demo for WWDC Session 214
 2005-06-01
Video Hardware Info (HTML) (DMG) (ZIP)
Sample demonstrates how to query the video hardware for useful information.
 2004-02-12
VideoHardwareInfo (HTML) (DMG) (ZIP)
Query VRAM, Quartz Extreme support, OpenGL extensions and renderer, GLSL version and support.
 2007-05-14
VideoViewer (HTML) (DMG) (ZIP)
Simple example of video rendering using QuickTime visual contexts, OpenGL, Core Video and Core Image.
 2005-08-01
Worm (HTML) (DMG) (ZIP)
NSView performance demonstration. Uses a periodic timer to get best performance with Coalesced Update feature.
2005-06-01