Inside Macintosh: QuickTime Components /

Chapter 3 - Standard Image-Compression Dialog Components / Standard Image-Compression Dialog Components Reference

Standard Image-Compression Dialog Component Functions

Compressing Still Images

The standard dialog component provides three functions you may use to compress a still image. These functions differ based on how the image is stored: SCCompressImage works with pixel maps; SCCompressPicture compresses a picture that is stored in a handle; and SCCompressPictureFile works with pictures stored in files.

All of these functions use the current compression settings. See "Displaying the Standard Image-Compression Dialog Box" beginning on page 3-28 for detailed information about establishing these current settings.

If there are no default settings, each of these functions could potentially display the dialog box for single-frame compression operations shown in Figure 3-1 on page 3-4.

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Subtopics

SCCompressImage

SCCompressPicture

SCCompressPictureFile

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