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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 new print task is begun. The number of print jobs
pending is shown in the PRINT/GO menu item. The print task makes its own
copy of the open object, so that you can continue to edit while printing
is in progress.
The size of the print image is determined by a combination of
factors: the native object size, the printer resolution, the magnification
shown in the PRINT/STRETCHES command, and other parameters set in the
PRINT menu as described below. If the print image would be too large to
fit on one page, a new menu is displayed offering four options for
printing such oversize images.
<Section 6.1.1: Shrink>
The PRINT/GO/SHRINK command prints at a smaller size than requested
so that the entire image will fit on a single page. The orientation of the
image and the ratio of its height and width are not altered.
To print an object as large as possible on a single page, simply
specify large values in the PRINT/STRETCHES command and then choose the
SHRINK option when you print.
<Section 6.1.2: Multi-page>
The PRINT/GO/MULTI-PAGE command will use as many pages as required to
print at the requested size. Each page will be completely filled, ignoring
margin requests. Pages are printed in the following order. First, the top
row of pages is printed, beginning with the upper left corner of the image
and proceeding to the right. Then, the second row is printed, then the
third and so on.
<Section 6.1.3: Truncate>
The PRINT/GO/TRUNCATE command prints as much of the requested image
as will fit on a single page, and ignores the parts of the image that will
not fit. In effect, it prints the first page of a multi-page image, and
then stops.
<Section 6.1.4: Cancel>
The PRINT/GO/CANCEL command kills the requested print of the
oversized image, and returns to the main PRINT menu. Choose this option if
you want to readjust the printer parameters before printing.
<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 <[16.10]>.
<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 display 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.