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22-42 The Line and Fill Attributes Group
EN
TR, Transparency Mode
This command defines how the white areas of the source graphics
image affect the destination graphics image.
TR
[n][;]
or
TR
[;]
z
No Parameters— Defaults to transparency mode = on (TR1;).
z
n— Specifies whether transparency mode is on or off:
z
0— Transparency mode = off.
z
1— Transparency mode = on (default).
When transparency mode is on (default), the portion of a source
image which is defined by white pixels does not affect the destination;
whatever was already written to the page “shows through” the white
areas in the new image.
Figure 22-22Transparency Mode = ON
Parameter Format Functional Range Default
n clamped integer 0 or 1 1 (on)