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Technical Note TN1015
Inside Macintosh: QuickDraw GX Objects Errata

CONTENTS

This Technote discusses known errors and omissions in Inside Macintosh: QuickDraw GX Objects.

Topics:

  • Correction to Table 4-4, February 1996
  • Correction to Description of GXCopyToColorSet, February 1996
  • Correction to Description of GXCopyToColorProfile, February 1996
  • Correction to Description of GXCopyToInk, February 1996
  • Correction to Description of GXCopyToTag, February 1996

Important for all Apple Printing and Graphics Developers:

The information in this Technote is still relevant up to and including Mac OS 7.6 with QuickDraw GX 1.1.5. Beginning with the release of Mac OS 8.0, however, Apple plans to deliver a system which incorporates QuickDraw GX graphics and typography only. QuickDraw GX printer drivers and GX printing extensions will not be supported in Mac OS 8.0 or in future Mac OS releases. Apple's goal is to simplify the user experience of printing by unifying the Macintosh graphic and printing architectures and standardizing on the classic Printing Manager.

 [Mar 1 1996]






Chapter 4 - Colors and Color-Related Objects

Correction to Table 4-4 CMYK color spaces supported by QuickDraw GX, p.4-15

The entry:

gxCMYK32Space 0x0802 8 bits per component (cyan, magenta, yellow, and black); component values range from 0 to 0xFF. Total storage size for each color value: 64 bits.

Should read:

gxCMYK32Space 0x0802 8 bits per component (cyan, magenta, yellow, and black); component values range from 0 to 0xFF. Total storage size for each color value: 32 bits.

Correction to Description of GXCopyToColorSet Page 4-66

The second paragraph should read:

If you specify nil for the target parameter, GXCopyToColorSet creates a new color set object and copies the source color set's properties, including the tag list but not the owner count, into it.

Correction to Description of GXCopyToColorProfile Page 4-81

The second paragraph should read:

If you specify nil for the target parameter, GXCopyToColorProfile creates a new color profile object and copies the source properties, including the tag list but not the owner count, into it.

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Chapter 5 - Ink Objects

Correction to Description of GXCopyToInk Page 5-58

The second paragraph should read:

If you specify nil for the target parameter, the GXCopyToInk function creates a new ink object and copies the source properties, including the tag list but not the owner count, into it.

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Chapter 8 - Tag Objects

Correction to Description of GXCopyToTag Page 8-16

The second paragraph should read:

If you specify nil for the target parameter, the GXCopyToTag function creates a new tag object and copies the source tag object's tag type and contents, but not the owner count, into it.

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