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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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Technical Q&As |
2002-12-04
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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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Technical Q&As |
2002-12-02
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GetProcAdress and OpenGL Entry Points
(HTML)
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QA1188: Technique for finding function pointers for OpenGL entry points in Cocoa and Carbon
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Technical Q&As |
2002-11-25
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Problems recording CopyBits into a PICT on Mac OS X 10.2
(HTML)
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QA1189: Identifies a problem with CopyBits and PICT on Mac OS X 10.2 and gives a simple workaround.
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Technical Q&As |
2002-11-19
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QDSwapPort
(HTML)
()
QA1128: Explains when to use QDSwapPort.
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Technical Q&As |
2002-11-06
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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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Technical Q&As |
2002-11-06
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Quartz 2D Interpolation
(HTML)
()
QA1186: Explains how to control Quartz 2D's image interpolation.
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Technical Q&As |
2002-10-29
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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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Technical Q&As |
2002-10-29
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Preserving embedded ICC profiles when using QuickTime Graphics Importer/Exporters
(HTML)
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QA1145: Shows how to preserve the embedded ICC profile when using the QuickTime Graphics Importer/Exporter routines
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Technical Q&As |
2002-09-04
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Current GDevice Dependencies
(HTML)
()
QA1115: Describes potential problems with creating windows or ports when the current GDevice isn't the main device.
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Technical Q&As |
2002-02-13
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CGContextClosePath
(HTML)
QA1046: Explains when you should call CGContextClosePath.
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Technical Q&As |
2001-10-02
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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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Technical Q&As |
2001-10-02
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CGContext Bounds
(HTML)
QA1048: Explains how to determine the bounds of a CGContext.
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Technical Q&As |
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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Technical Q&As |
2001-07-02
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Drawing a Path Multiple Times
(HTML)
QA1047: Explains that path drawing operations consume the path.
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Technical Q&As |
2001-07-02
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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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Technical Q&As |
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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Technical Q&As |
2001-07-02
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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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Technical Q&As |
2001-04-17
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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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Technical Q&As |
2001-04-11
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CalcCMask and SeedCFill in Carbon
(HTML)
()
QD62: Explains how to use CalcCMask and SeedCFill in Carbon even though Carbon doesn't support OpenPort.
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Technical Q&As |
2000-11-08
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The CGDirectPalette API
(HTML)
()
TN2008: Provides a reference for the CGDirectPalette API on Mac OS X
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Technical Notes |
2000-11-08
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GetPortBitMapForCopyBits
(HTML)
()
Deprecated - QD61: Describes the proper usage of GetPortBitMapForCopyBits.
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Technical Q&As |
2000-11-08
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QDFlushPortBuffer
(HTML)
()
QD65: Describes a possible solution for window update problems under Carbon.
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Technical Q&As |
2000-11-08
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grayishTextOr and Mac OS 8.5
(HTML)
()
Deprecated - QD59: Explains why text drawn using TextMode(grayishTextOr) is never drawn; provides a workaround.
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Technical Q&As |
1998-12-07
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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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Technical Q&As |
1998-02-10
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Creating Gray Scaled Images > 8 bits
(HTML)
()
Deprecated - QD51: Shows how to create gray-scaled images at resolutions greater than 8 bits for display.
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Technical Q&As |
1997-11-17
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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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Technical Q&As |
1996-02-09
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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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Technical Q&As |
1996-02-01
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Converting RGB Colors to a Palette Index
(HTML)
Deprecated - QD21: Explains how to convert RGB colors into the palette index created by an application.
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Technical Q&As |
1995-09-15
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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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Technical Q&As |
1995-09-15
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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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Technical Q&As |
1995-09-15
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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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Technical Q&As |
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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Technical Q&As |
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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Technical Q&As |
1995-09-15
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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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Technical Q&As |
1995-09-15
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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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Technical Q&As |
1995-09-15
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