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Title |
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Date |
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Animating the frame of a CALayer.
(HTML)
QA1620: Explains how the frame property of a layer interacts with animations.
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2008-10-24
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Availability of Quartz Composer Patches in Web Kit
(HTML)
QA1505: Details which Quartz Composer patches are available in Web Kit
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2007-03-05
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CGBitmapContextCreate Supported Color Spaces
(HTML)
QA1037: Lists the color space and alpha info combinations currently supported by CGBitmapContextCreate.
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2007-07-18
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CGContext Bounds
(HTML)
QA1048: Explains how to determine the bounds of a CGContext.
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2001-07-02
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CGContextAddLineToPoint, CGContextAddCurveToPoint, et. al.
(HTML)
QA1049: Explains why the CGContextAddXYZ APIs don't draw anything immediately.
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2001-07-02
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CGContextClosePath
(HTML)
QA1046: Explains when you should call CGContextClosePath.
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2001-10-02
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CGImageRef contents are immutable
(HTML)
( )
QA1276: Explains that CGImageRef contents are considered immutable once created.
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2003-07-17
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Core Animation properties and Reference Counting
(HTML)
QA1565: Describes a discrepancy between the property declarations in Core Animation and the actual behavior.
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2008-11-24
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Creating color spaces that ensure color matching.
(HTML)
QA1396: How to create color spaces that ensure color matching.
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2005-10-04
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Debugging Graphics with QuartzDebug
(HTML)
()
QA1236: Explains how to use QuartzDebug to debug graphics issues.
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2006-01-12
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Drawing a Path Multiple Times
(HTML)
QA1047: Explains that path drawing operations consume the path.
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2001-07-02
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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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2005-03-08
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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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2008-08-27
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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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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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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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2004-10-11
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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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2002-12-04
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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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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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2007-08-02
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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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2008-09-08
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Quartz 2D Interpolation
(HTML)
()
QA1186: Explains how to control Quartz 2D's image interpolation.
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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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2003-02-25
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Requirements for Quartz GL
(HTML)
QA1536: Describes the requirements for enabling Quartz GL.
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2008-08-08
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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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2001-10-02
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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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2004-01-29
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SyncCGContextOriginWithPort
(HTML)
QA1010: Describes how to use SyncCGContextOriginWithPort.
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2001-04-11
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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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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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2001-07-02
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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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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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2005-06-24
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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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2001-04-11
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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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2005-06-01
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