Topic       : The ATARI Compendium
Author      : Scott Sanders / JAY Software
Version     : 1.25 (20/6/2003)
Subject     : Documentation
Nodes       : 1117
Index Size  : 32614
HCP-Version : 6
Compiled on : Atari
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View Ref-Filevsp_state()
vqp_state()                                                             VDI

Syntax

VOID vqp_state( handle, port, film, lightness, interlace, planes, indices
)
WORD handle;
WORD *port, *film, *lightness, *interlace, *planes, *indices;

Function      vqp_state() returns information regarding the current state
              of the palette driver.

Opcode        5

Sub-Opcode    92

Availability  Supported by all camera drivers.

Parameters    handle specifies a valid workstation handle. The rest of the
              parameters are all WORDs which are filled in as follows:

              Parameter    Meaning

              port         Communication port number.

              film         Film type (0 - 4).

              lightness    Lightness (-3 - 3). A value of 0 specifies the
                           current f-stop setting. A value of three
                           results in an exposure half as long as normal
                           while a value of 3 results in an exposure twice
                           as long as normal.

              interlace    Interlace mode. A value of 0 is non-interlaced,
                           1 is interlaced.

              planes       Number of planes (1 - 4)

              indices      This is actually a WORD array with at least 16
                           members. (2 ^ planes) members will be filled in
                           with color codes for the driver. indices[0] and
                           indices[1] will specify the first color,
                           indices[2] and indices[2] the second, and so on.

Binding       WORD i;

              contrl[0] = 5;
              contrl[1] = contrl[3] = 0;
              contrl[5] = 92;
              contrl[6] = handle;

              vdi();

              *port = intout[0];
              *film = intout[1];
              *lightness = intout[2];
              *interlace = intout[3];
              *planes = intout[4];

              for(i = 0;i < 21;i++)
               indices[i] = intout[5 + i];

See Also      vsp_state()

Group         VDI Polaroid Escapes