PHP. Руководство по PHP. 2005

imageinterlace

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imageinterlace

(PHP3, PHP4, PHP5)imageinterlace -- Enable or disable interlace

Description

int imageinterlace (resource image [, int interlace])

imageinterlace() turns the interlace bit on or off.

If interlace is 1 the image will be interlaced, and if interlace

is 0 the interlace bit is turned off.

If the interlace bit is set and the image is used as a JPEG image,

the image is created as a progressive JPEG.

This function returns whether the interlace bit is set for the

image.

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