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CHAPT6.TXT
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<Chapter 6: Printing the Open Object>
Use the commands in the PRINT menu when you want to print a picture
that you have drawn with PEP. With these commands, you can control the
size and proportions of the printed image, and its position on the page.
Only the open object can be printed; so, before you print, you may need to
use the OBJECT/OPEN command <[7.1]> to display the object you want to
print.
<Section 6.1: Go>
The PRINT/GO command prints the open object according to the
parameters displayed in the PRINT menu. All previously requested printing
is completed before the current print task is begun. The number of print
jobs pending is displayed in the PRINT/GO menu entry. Note that the print
task is operating from a separate copy of the open object, so that you can
continue editing while printing is in progress.
<Section 6.2: Kill>
The PRINT/KILL command aborts all printing activity (active or
pending). There is an equivalent single keystroke command: ALT-P
<[14.3.12]>.
<Section 6.3: Aspect>
The PRINT/ASPECT command changes the printing aspect mode. There are
four choices: SQUARE, EQUAL, SCREEN, and OFF. When SQUARE aspect is turned
on, the Y stretch factor changes to produce square aspect in printed
images. When EQUAL aspect is turned on, the Y stretch factor changes to be
equal to the X stretch factor. When SCREEN aspect is turned on, the Y
stretch factor changes to give you a printout with the same aspect ratio
as the screen. Subsequently, in each case, if either stretch factor is
changed, the other is adjusted to preserve the chosen aspect. If aspect is
OFF, the stretch factors can be changed independently of each other.
<Section 6.4: Device>
The PRINT/DEVICE command displays a menu that depends on the printer
driver that you are using (in other words, on the printer you specified
when you ran the PEP installation utility). Some printers can print at
more than one resolution, some support printing of multiple copies, and
some have other parameters that you can control via this menu.
Since these commands vary from printer to printer and are reasonably
self-explanatory, they will not be described here. Information on the
PRINT/DEVICE commands for Postscript printers can be found in the section
on Postscript output <[16.9]>.
<Section 6.5: Center>
PRINT/CENTER is a multiple choice command governing the centering of
the printed image on the page. The modes are: NO (no centering is
performed), X (the image is centered horizontally on the page), Y (the
image is centered vertically on the page), and XY (the image is centered
both horizontally and vertically).
<Section 6.6: Form>
PRINT/FORM is a multiple choice command. The choices govern printer
formfeeds. The choices are: NONE (no formfeeds are output), LAST (a
formfeed is output after the image is printed), and FIRST (a formfeed is
output before the image is printed). Note: certain printers always eject a
page after each picture printed. For these printers, the PRINT/FORM
setting has no effect.
<Section 6.7: Rotation>
Use the PRINT/ROTATION command to rotate the printed image. Press the
command letter to get a menu with eight choices: 0, 90, 180, 270 (degrees
clockwise), \, -, /, | (mirror images).
<Section 6.8: Stretches>
Use the PRINT/STRETCHES command to set the magnification applied to
the picture during printing. This XY input command allows you to set
either or both of the X and Y stretch factors. These numbers may be
integers, decimals or fractions. The maximum stretch is 255.
Note: if you use the PRINT/IMAGE command (described below) to request
a particular output image size, then the current stretch factor values
will be ignored during printing. If you subsequently execute the
PRINT/STRETCHES command, then the PRINT/IMAGE mode will be automatically
turned OFF, and the stretch factors will control the image size.
<Section 6.9: Image>
The open object can be printed larger or smaller by changing the
PRINT/STRETCHES values as described above. You can also tell PEP directly
how large you want the printed image to be.
Using the PRINT/IMAGE command, you can explicitly set the desired
printed image size. There are two modes: ON and OFF. If the mode is ON,
the output image is forced to be a specified size. When the open object is
printed, PEP will ignore the stretch factors displayed in the PRINT menu
and calculate new ones. The new stretches are chosen so that the printed
object will have the required size. If the mode is OFF, the output image
size is determined implicitly. It is the product of the stretch factors
set in the PRINT/STRETCHES command and the open object maximum
coordinates. The PRINT/IMAGE command toggles the image mode ON and OFF.
When you turn IMAGE ON, the command becomes an XY input command so that
you can set the horizontal (X) and vertical (Y) image size that you want
PEP to produce. Note: executing the PRINT/STRETCHES command automatically
turns the image mode OFF.
<Section 6.10: Margins>
The PRINT/MARGINS command is an XY input command. Use it to set the
left (X) and/or top (Y) margins. If X centering is in force the left
margin is ignored. If Y centering is in force the top margin is ignored.
<Section 6.11: Pagesize>
The PRINT/PAGESIZE command is an XY input command. Use it to specify
the printer page size. This information is used by PEP only if centering
is in force.
<Section 6.12: Window>
If you do not want to print the entire open object, you can use the
PRINT/WINDOW command to print the contents of a rectangular sub-area that
you specify. There are two windowing modes: OFF and ON. Press the command
letter to toggle between these modes. The window boundary is given by four
coordinates in two sets of XY input lines under the command name in the
menu. You can type in these numbers, using PRINT/WINDOW as an XY input
command.
To set the window graphically using the cursor, press the command
letter to turn windowing ON. Then position the cross-hair cursor at one
corner of the desired window and press RETURN. The cross-hair is replaced
by a stretchable box cursor. Position the mobile corner of that cursor at
the opposite corner of the desired window and press RETURN again. The area
outlined by the box cursor becomes the print window.