Quantum-data 801GC Manuel d'utilisateur télécharger pdf (Page 258)

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6-132 Chapter 6: Programming

Model 801GC, 801GF & 801GX¥Rev. A

GRIV draw a GRIll pattern of Vertical lines

Classification: Custom image primitive

Command Syntax: GRIV <color> <number of pixels in line> < number of pixels

in space>

Limits: <color> = available colors

<number of pixels in line> = number of lines

< number of pixels in space> = number of lines

Query Syntax: None

Description: Draws equally spaced vertical lines that form a grill over the

entire active video area. The gaps are not touched and will

show any previously drawn primitives. The primitive uses three

(3) parameters. The first is the color of the lines. The second is

the thickness of the lines and the third is the thickness of the

space between the lines.

Other Required Cmds: The FMTU command instructs the generator to use the new

setting. The ALLU command updates hardware to the new setting

and redraws the test image.

Example: GRIV cyan 16 16 // Draw cyan grill with

// 16-pixel lines and 16-pixel

// spaces

ALLU // Update hardware to current

// buffer contents

1 2 ... 253 254 255 256 257 258 259 260 261 262 263 ... 355 356

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Quantum-data 801GC Manuel d'utilisateur Page 258

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