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Decompression Sessions - Setting codec accuracy and field mode
(HTML)
QA1460: Describes how to set codec accuracy and field mode options when creating a decompression sessions.
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Graphics & Imaging |
2006-01-12
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Difference between using Restart or Shut Down in the Finder's Special menu in Open Firmware
(HTML)
( )
HW47: Explains the differences between using Restart or Shut Down on Open Firmware
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Graphics & Imaging |
1999-02-15
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Disabling Processor Cores on a Multi-Core System
(HTML)
()
QA1141: Describes how to disable processor cores on a multi-core system for testing purposes.
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Graphics & Imaging |
2008-09-16
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Drawing a Path Multiple Times
(HTML)
QA1047: Explains that path drawing operations consume the path.
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Graphics & Imaging |
2001-07-02
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Driving OpenGL Rendering Loops
(HTML)
QA1385: Using Core Video display links (CVDisplayLink) or Cocoa timers (NSTimer) to drive an OpenGL rendering loop
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Graphics & Imaging |
2009-05-01
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Embedding ICC Profiles
(HTML)
()
CS06: Gives downloads for documents describing embedding ICC profiles in EPS, PICT, and TIFF files.
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Graphics & Imaging |
1996-02-09
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Ensuring hardware accelerated rendering for your OpenGL application
(HTML)
QA1502: Using the NoRecovery pixel format attribute and how to check whether vertex and fragment processing is executed on the GPU or CPU
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Graphics & Imaging |
2007-07-18
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Error -151 and NewGWorld
(HTML)
Deprecated - QD18: Explains what the error code -151 means when in NewGWorld.
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Graphics & Imaging |
1995-09-15
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Extracting DV Fields using QTNewGWorldFromPtr
(HTML)
QA1017: Describes using QTNewGWorldFromPtr to access individual fields contained within a frame of DV source.
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Graphics & Imaging |
2001-03-20
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Finding an NSView's current magnification.
(HTML)
QA1346: How to discover the current magnification (zoom level) of any NSView.
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Graphics & Imaging |
2005-03-08
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Gathering all PostScript Printer Descriptions (PPDs)
(HTML)
QA1529: Describes a work around for an issue in PMCopyAvailablePPDs on Mac OS X 10.4 and below
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Graphics & Imaging |
2008-08-08
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GetPortBitMapForCopyBits
(HTML)
()
Deprecated - QD61: Describes the proper usage of GetPortBitMapForCopyBits.
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Graphics & Imaging |
2000-11-08
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GetProcAdress and OpenGL Entry Points
(HTML)
()
QA1188: Technique for finding function pointers for OpenGL entry points in Cocoa and Carbon
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Graphics & Imaging |
2002-11-25
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Getting the name of a profile
(HTML)
()
QA1205: Shows how to programmatically get the name of a ColorSync profile.
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Graphics & Imaging |
2002-10-25
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Getting the pixel data from a CGImage object
(HTML)
QA1509: Describes how to access the pixel data of a CGImage object
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Graphics & Imaging |
2008-08-27
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glFlush() vs. glFinish()
(HTML)
QA1158: Explanation of the differences between glFlush() and glFinish()
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Graphics & Imaging |
2004-10-11
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Graphics Exporters - Creating 16-bit-per-channel image files
(HTML)
QA1354: Discusses how to use QuickTime Graphics Exporters to create 16-bit-per-channel image files.
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Graphics & Imaging |
2004-06-03
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How can I optimize a Quartz Composer composition depending on the hardware it runs on?
(HTML)
QA1433: Explains how to design compositions that adapt to the hardware limitations.
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Graphics & Imaging |
2005-06-01
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How can I programmatically determine the DPI of the current video mode?
(HTML)
()
QA1217: Describes how to compute the DPI for a given display in a given mode using Core Graphics.
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Graphics & Imaging |
2002-12-02
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How do I determine how much VRAM is available on my video card?
(HTML)
QA1168: Using Core Graphics and IOKit to find the physical size of VRAM on installed hardware.
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Graphics & Imaging |
2004-10-11
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How do I get the hexadecimal value of an NSColor object?
(HTML)
QA1576: Describes how to convert an NSColor object to its Hexadecimal value.
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Graphics & Imaging |
2007-12-19
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How do I tell if a particular display is being hardware accelerated by Quartz Extreme?
(HTML)
()
QA1218: Describes how to use CGDisplayUsesOpenGLAcceleration to see if a display is accelerated or not.
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Graphics & Imaging |
2002-12-04
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How do I use PMSessionGetGraphicsContext to get a CGContextRef?
(HTML)
()
Deprecated - QA1216: Describes how to use PMSessionSetDocumentFormatGeneration and PMSessionGetGraphicsContext to get a CGContextRef for printing.
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Graphics & Imaging |
2003-02-25
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How do I use QuickDraw with CGDirectDisplay?
(HTML)
QA1011: Explains how to draw to a CGDirectDisplay-captured display using QuickDraw.
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Graphics & Imaging |
2001-04-11
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How to measure CG text
(HTML)
QA1051: Explains how to measure Core Graphics text.
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Graphics & Imaging |
2007-08-02
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ICC Profile copyright field
(HTML)
()
QA1136: Discusses how applications should honor the copyright field in the header of an ICC profile.
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Graphics & Imaging |
2002-04-08
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Implementing a CVFillExtendedPixelsCallBack
(HTML)
QA1440: Discusses how you implement a Core Video custom extended pixel fill callback function.
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Graphics & Imaging |
2005-09-06
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Improving ATSUI Text Drawing Performance
(HTML)
QA1027: Talks about one way of improving ATSUI text drawing performance.
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Graphics & Imaging |
2001-04-17
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Incorrect Inside Macintosh Volume V documentation
(HTML)
Deprecated - QD15: Identifies incorrect documentation in Inside Macintosh Volume V regarding the formats of PnPixPat and BkPixPat opcodes.
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Graphics & Imaging |
1995-09-15
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IOKit Framework Headers
(HTML)
()
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
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Graphics & Imaging |
2002-01-15
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Is ColorSync thread safe?
(HTML)
()
QA1261: Discusses ColorSync thread-safety issues.
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Graphics & Imaging |
2003-04-17
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Legacy Devices
(HTML)
HW84: Discusses why legacy devices with hard-wired I/O addresses may not work properly with Open Firmware.
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Graphics & Imaging |
2000-03-20
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LockPixels and DisposeGWorld with QTNewGWorldFromPtr
(HTML)
QA1007: Clarifies some issues surrounding pointer ownership when creating GWorlds with QTNewGWorldFromPtr
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Graphics & Imaging |
2001-02-26
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Missing ColorSync Profiles
(HTML)
()
CS13: Describes ColorSync profiles, focusing on the desc tag of the profile and the results of incorrect tags.
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Graphics & Imaging |
1999-05-03
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Multithreaded usage of the QCRenderer
(HTML)
QA1538: Describes an issue that may arise when using the QCRenderer in a multi-threaded application.
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Graphics & Imaging |
2008-09-08
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NSOpenGLView redraw problems after a window is closed and re-opened.
(HTML)
QA1353: Workaround for NSOpenGLView failure to draw after its window is closed and re-opened.
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Graphics & Imaging |
2004-12-03
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OpenGL Driver Monitor Decoder Ring
(HTML)
()
QA1334: Describes what each of the parameters available in the OpenGL Driver Monitor measure.
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Graphics & Imaging |
2004-01-30
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The "packages" node in the device tree
(HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
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Graphics & Imaging |
2006-02-22
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Parsing the PICT File Format
(HTML)
()
Deprecated - QD56: Explains where to find information on the PICT file format and warns against parsing a PICT file.
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Graphics & Imaging |
1998-02-10
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Preserving embedded ICC profiles when using QuickTime Graphics Importer/Exporters
(HTML)
()
QA1145: Shows how to preserve the embedded ICC profile when using the QuickTime Graphics Importer/Exporter routines
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Graphics & Imaging |
2002-09-04
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Problem Getting PICTS to Display in Correct Colors
(HTML)
Deprecated - QD24: Using a custom color table to get PICTs to display with the right colors in an offscreen GWorld.
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Graphics & Imaging |
1995-09-15
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Problem with PaintRgn on 256-color Screens
(HTML)
Deprecated - QD23: PaintRgn with RGBForeColor and transfer mode addOver doesn't return color to original on 256-color-screens.
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Graphics & Imaging |
1995-09-15
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Problems Creating a Mask for a Picture
(HTML)
Deprecated - QD27: Demonstrates creating a mask where the mask is 0 for pure white pixels and 1 everywhere else.
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Graphics & Imaging |
1995-09-15
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Problems recording CopyBits into a PICT on Mac OS X 10.2
(HTML)
()
QA1189: Identifies a problem with CopyBits and PICT on Mac OS X 10.2 and gives a simple workaround.
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Graphics & Imaging |
2002-11-19
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Providing QuickDraw with a Known Good Port
(HTML)
()
Deprecated - QA1237: How to use SetPort( NULL) to provide QuickDraw with a known good port.
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Graphics & Imaging |
2003-09-29
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QDFlushPortBuffer
(HTML)
()
QD65: Describes a possible solution for window update problems under Carbon.
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Graphics & Imaging |
2000-11-08
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QDSwapPort
(HTML)
()
QA1128: Explains when to use QDSwapPort.
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Graphics & Imaging |
2002-11-06
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QTKit Capture - Specifying Media Compression Settings
(HTML)
QA1586: Describes how to configure a file output object to save compressed captured media.
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Graphics & Imaging |
2008-03-11
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Quartz 2D Interpolation
(HTML)
()
QA1186: Explains how to control Quartz 2D's image interpolation.
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Graphics & Imaging |
2002-10-29
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Quartz 2D Thread Safety
(HTML)
()
QA1238: Explains the thread-safety issues for the Quartz 2D API.
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Graphics & Imaging |
2003-02-25
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QuickDraw Text Anti-Aliasing using Quartz 2D
(HTML)
()
QA1193: Describes APIs added to Mac OS X to allow applications to draw QD text using CG anti-aliasing.
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Graphics & Imaging |
2002-10-29
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QuickTime Texture Visual Context - kQTVisualContextNotAllowedErr with non-accelerated graphics cards
(HTML)
QA1542: Discusses how to create a display mask and avoid a kQTVisualContextNotAllowedErr when using a non-accelerated graphics card.
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Graphics & Imaging |
2007-09-18
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QuickTime Visual Context - Setting the kQTVisualContextOutputColorSpaceKey Attribute
(HTML)
QA1550: Describes how to configure a QuickTime OpenGL Texture Visual Context with the kQTVisualContextOutputColorSpaceKey attribute.
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Graphics & Imaging |
2007-09-28
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Registering custom pixel formats with QuickTime and Core Video
(HTML)
QA1401: Discusses how to register custom pixel formats with QuickTime & Core Video with QuickTime 7.
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Graphics & Imaging |
2005-09-06
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Requirements for Quartz GL
(HTML)
QA1536: Describes the requirements for enabling Quartz GL.
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Graphics & Imaging |
2008-08-08
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Retain Counts of io_object_t Objects in IOKit.framework
(HTML)
()
QA1195: Distinguishes between the retain counts of an I/O Kit kernel object and its io_object_t user space proxy.
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Graphics & Imaging |
2008-09-24
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Saving the current Core Graphics Path
(HTML)
QA1056: Explains that the Core Graphics save and restore GState APIs do not affect the path.
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Graphics & Imaging |
2001-10-02
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Setting the ColorSync profile for a NSBitmapImageRep object
(HTML)
QA1369: Setting the ColorSync profile for a NSBitmapImageRep object
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Graphics & Imaging |
2004-09-08
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Sharpening Full Scene Anti-Aliasing Details
(HTML)
QA1268: Using full scene anti-aliasing (FSAA) in OpenGL applications.
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Graphics & Imaging |
2003-10-10
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Shearing a Coordinate Space with NSAffineTransform
(HTML)
()
QA1332: Describes a simple way to shear coordinate spaces by adding a few methods to the NSAffineTransform class.
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Graphics & Imaging |
2004-01-29
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Special Profile Sizes in ColorSync Manager
(HTML)
CS03: Answers several questions on special profile sizes in ColorSync Manager and other efficiency issues.
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Graphics & Imaging |
1995-05-01
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Specifiying if the CPU or the GPU should be used for rendering.
(HTML)
QA1416: Which processor will be used for rendering in Core Image and how to affect it.
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Graphics & Imaging |
2005-08-16
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Spooling in or out of CompressPicture or CompressImage
(HTML)
Deprecated - QD17: Recommends alternatives to spooling the results of CompressPicture or CompressImage to or from disk.
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Graphics & Imaging |
1995-09-15
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Successful Call to NCWNewColorWorld
(HTML)
()
CS08: Explains the return value of NCWNewColorWorld and the CMWorldRef parameter as a valid return value when successful.
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Graphics & Imaging |
1996-02-09
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SyncCGContextOriginWithPort
(HTML)
QA1010: Describes how to use SyncCGContextOriginWithPort.
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Graphics & Imaging |
2001-04-11
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Synchronizing OpenGL rendering updates to the vertical refresh of the display
(HTML)
QA1521: How to avoid tearing by synchronizing your rendering to the display VBL
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Graphics & Imaging |
2007-07-16
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Tioga PostScript Printing Plugins in Mac OS X 10.2
(HTML)
()
QA1085: Why Tioga printing plugins for PostScript printing aren't called on Mac OS X 10.2 and later.
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Graphics & Imaging |
2003-07-14
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Turning Off Core Graphics Clipping
(HTML)
QA1050: Explains how to clear the clipping path for a CGContext.
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Graphics & Imaging |
2001-07-02
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Unexpected CG state changes
(HTML)
QA1045: Explains why the Core Graphics drawing state sometimes changes for no apparent reason.
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Graphics & Imaging |
2001-07-02
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Updating OpenGL Contexts
(HTML)
()
QA1209: When and why to update an OpenGL context in response to system and user actions.
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Graphics & Imaging |
2003-06-19
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Using Clip Region and Buffer Rectangles with OpenGL Carbon
(HTML)
()
QA1222: Shows the basics of using buffer rectangles and clip regions with AGL.
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Graphics & Imaging |
2002-12-19
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Using cmPathBased profile locations on Mac OS X
(HTML)
()
QA1203: Shows how to correctly specify cmPath-based profile locations on Mac OS X
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Graphics & Imaging |
2002-11-06
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Using Embedded EPS Profiles
(HTML)
()
CS09: Gives source on embedding ColorSync profiles in EPS as well as PICT and TIFF formats.
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Graphics & Imaging |
1996-02-09
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Using GLUT and OpenGL on Mac OS X
(HTML)
QA1613: States the required steps to add GLUT and OpenGL to an Xcode project.
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Graphics & Imaging |
2008-10-13
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Using Interface Builder's NSOpenGLView or Custom View objects for an OpenGL application
(HTML)
QA1167: Describes usage cases for both NSOpenGLViews and Custom Views for Cocoa OpenGL applications
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Graphics & Imaging |
2004-10-28
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Using qd and QDGlobals
(HTML)
()
Deprecated - QD40: Why a sample program compiled with SC may give the link error: undefined entry qd. Provides a solution.
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Graphics & Imaging |
1996-02-09
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Using QTPixelBufferContextCreate with NewMovieFromProperties
(HTML)
QA1443: Discusses using a QuickTime pixel buffer visual context and NewMovieFromProperties to output frames to pixel buffers.
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Graphics & Imaging |
2008-08-08
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Using Temporary Memory with OpenPicture
(HTML)
Deprecated - QD20: Provides several techniques of causing OpenPicture to allocate temporary memory for a picture handle.
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Graphics & Imaging |
1996-02-01
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Using UTIs to Identify Image Files
(HTML)
QA1518: Explains how to use Uniform Type Identifiers to identify what files can be opened at images.
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Graphics & Imaging |
2007-05-11
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What is the Timebase submenu available in the contextual menu of some patches in Quartz Composer?
(HTML)
QA1427: Describes the timebase system used by patches in Quartz Composer.
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Graphics & Imaging |
2005-06-15
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When does the RSS Feed patch in Quartz Composer refreshes its contents?
(HTML)
QA1425: Explains how the RSS Feed patch in Quartz Composer refreshes its contents.
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Graphics & Imaging |
2005-06-24
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When to use PCMCIA, PC Card, and CardBus
(HTML)
HW77: Explains the differences between PCMCIA, PC Card, and CardBus.
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Graphics & Imaging |
1999-11-15
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Why are my Core Graphics calls drawing upside down?
(HTML)
QA1009: Explains why CoreGraphics drawing comes out upside down relative to QuickDraw drawing.
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Graphics & Imaging |
2001-04-11
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Why does logging keep my Printer Module from working?
(HTML)
()
Deprecated - QA1182: Describes some problems with standard printf logging in a Printer Module on Jaguar.
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Graphics & Imaging |
2002-11-06
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Why does my Quartz Composer composition render with a corrupted background in the QCView?
(HTML)
QA1434: Describes the circumstances in which the QCView background may render corrupted.
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Graphics & Imaging |
2005-06-01
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Why don't all of my PDE localizations show up in all applications?
(HTML)
()
QA1185: Explains why some PDE localizations might not appear in all applications.
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Graphics & Imaging |
2002-10-16
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Why isn't my ColorSync CMM recognized on Mac OS X 10.5?
(HTML)
QA1557: Discusses how to upgrade your ColorSync CMM to run on Mac OS X 10.5
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Graphics & Imaging |
2007-10-26
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Window Manager and EraseRect
(HTML)
Deprecated - QD26: Why WindowManager causes a flicker using EraseRect and provides a solution for this problem.
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Graphics & Imaging |
1995-09-15
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The "/aliases" node in the device tree
(HTML)
HW89: Describes the aliases node in the Open Firmware device tree.
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Hardware & Drivers |
2000-09-05
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128Mb SDRAM ICs limitation on original "Bronze Keyboard" Powerbook G3
(HTML)
QA1040: Outlines Memory ICs design limitation on original "Bronze Keyboard" Powerbook G3.
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Hardware & Drivers |
2001-06-21
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The AAPL, slot-name property and PCI
(HTML)
()
HW61: Discusses the use of the AAPL,slot name property for PCI
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Hardware & Drivers |
1999-04-19
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Allocating and sharing memory with user space from an I/O Kit driver
(HTML)
()
QA1197: Describes the preferred technique for allocating and sharing buffers in an I/O Kit kernel driver.
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Hardware & Drivers |
2008-10-13
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Are the Name Registry device tree nodes unique?
(HTML)
Deprecated - HW64: Discusses whether Name Registry nodes copied from the Open Firmware device tree are unique.
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Hardware & Drivers |
1999-10-11
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Available FireWire Isochronous Bandwidth
(HTML)
QA1356: Discusses attempting to "pre-flight" an isochronous bandwidth allocation request by reading the currently available bandwidth.
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Hardware & Drivers |
2004-07-07
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Avoiding Kernel Event Conflicts
(HTML)
QA1063: Documents the namespace for the vendor_code field of the kern_event_msg structure.
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Hardware & Drivers |
2001-09-14
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Bluetooth Radio Power Class for Apple Systems
(HTML)
()
QA1278: Notes Preferred Bluetooth Transmitter Characteristics for products designed for Apple Systems.
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Hardware & Drivers |
2003-08-06
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Bonjour enforces the service type format in Panther
(HTML)
QA1198: Explains why registering a Bonjour service might fail on Panther.
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Hardware & Drivers |
2004-03-23
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Bonjour service types used in Mac OS X
(HTML)
QA1312: Provides a list of common Bonjour service types used in Mac OS X.
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Hardware & Drivers |
2004-07-14
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Bonjour TXT record rate limiting in Panther
(HTML)
QA1293: Explains how mDNSResponder implements TXT record rate limiting in Panther.
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Hardware & Drivers |
2003-10-23
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Booting after invoking the Open Firmware user interface
(HTML)
()
HW48: Tells how to boot a system after entering the Open Firmware user interface.
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Hardware & Drivers |
1999-02-15
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