ORIS PDF Tuner Version 4.4.8 User Manual - image2output - Support

Creating Masks and Cut-outs
Creating Pixel Masks Using Brush
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Note:
Pixel Masks
Pixel masks cover all pixels you want to include in the cut-out. There are
two types:
• 8-bit masks
These are transparent masks with a density varying between 0 and
100%. If 8-bit masks are used for placing a cut-out, underlying layers
show through and image edges softly melt with the background.
• 1-bit masks
The density of these masks is always 100%. Cut-outs created with
1-bit masks are completely opaque.
1-bit mask are also displayed with a certain degree of transparency if the
VIEW | MASKS TRANSPARENT option is enabled. However, this affects only
the screen display, not the layout (see also page 30-19).
Fig. 21-2
Pixel Masks, 1-bit (left) and 8-bit (right)
Creating Pixel Masks Using Brush
When using the brush tool you paint mask color on the image areas to
be inserted into the layout. This can also be automated. This means that
your brush strokes will only mask pixels of a selected color.
See also Creating Vector Masks (page 21-12).
How to Create Pixel Masks Using Brush
1. Open the image (see page 20-6).
Note that all pixels must be loaded if you want to create 8-bit masks,
i.e. you cannot use coarse images in this case (see also page 20-8).
2. It is advisable to select MASKS | CLEAR.
This function removes masks from the screen. A mask may be active,
but not visible in the currently displayed image area. If you do not remove
it, it will become a part of the mask you are creating.
3. Select MASKS | PIXEL to open the ‘Paint Masks’ Dialog (page 21-4).
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