In this section:
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Gets the number of screen colours. |
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Gets the closest match on the current drawing surface. |
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Gets the closest screen colour match from the system palette. |
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Gets the RGB value of the colour of a pixel on the current drawing surface. |
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Tests if the screen is a high colour device. |
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Changes the global default colour mode. |
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Switches off colour matching. |
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Switches between VGA colour mode and RGB colour mode on a drawing surface. |
The following functions access an intenal ClearWin+ palette - a logical palette
that is attached to the device context of each drawing surface. Palettes
are redundant if the graphics device is a high colour device (i.e. has
more than 8 bits per pixel). These functions are unsupported and nolonger
documented.
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GET_COLOURS@ |
Accesses palette data. |
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GET_PCL_PALETTE@ |
Accesses palette data. |
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LOAD_PCL_COLOURS@ |
Loads standard PCL colours. |
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LOAD_STANDARD_COLOURS@ |
Loads standard VGA colours. |
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PERFORM_COLOURS@ |
Implements a palette change. |
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SET_COLOURS@ |
Loads given palette data. |