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Scale Algorithm The Scale Algorithm command selects an algorithm for
enhancing details when reducing color images with light or
dark backgrounds. This command has no effect when
enlarging an image
? * t # K
# = 0 - Enhances color source images with a
light background.
1 - Enhances color source images with a
dark background
Default = 0
Range = 0, 1 (absent value field or values out-
side the range are ignored)
This command is valid only after a Start Raster command
(?*r#A) with scale mode ON.
This command is ignored unless the scale factor is less than
1. For example, assume the source image is 1024 x 1280
pixels and the destination image is 2160 x 2880 decipoints
(3" x 4"). At 300 dpi, this means a destination size of 900 x
1200 dots; therefore, the specified scale algorithm would
take effect.
If the scale factor of either dimension is less than 1, the
scale algorithm takes effect for that dimension only.
6-42 Raster Graphics6-42 Raster Graphics