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1995-07-10
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6.3.1 DEFINE PATTERNFILL
DEFINE PATTERNFILL is used to define a new patternfill or edit an existing
patternfill. If a new patternfill is created, it will be saved in the
patternfill data file currently selected.
MODIFIERS
NAME The name of a new or existing patternfill.
When the command is used, a window containing a square area made up of
16 blocks in the vertical and horizontal is displayed. Beneath the window
is a row of 8 colour blocks showing the current settings for colours 0
through to 7. This window is a very simple tool for creating a 16x16
patternfill tile.
To create a patternfill, a required colour is selected by clicking the
left mouse button over one of the 8 colour selection gadgets. Clicking the
left mouse button within the display window will render one of the blocks
in the selected colour. Each block within the display window represents one
of the pixels that make up the patternfill tile.
This process is repeated until the required patternfill is defined,
clicking the CLOSE gadget at the top left of the window will file the
new patternfill definition. To view the new patternfill, use the command
DISPLAY PATTERNFILLS.
If a patternfill is created using only colour 1, it may be displayed in any
colour or used as a mask in commands such as DRAW POLYGON. If a patternfill
is defined with more than one colour it can only be displayed with its
original colours.