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Draw Plus — User Guide
========================
Introduction
------------
This document describes DrawPlus, formerly Draw 1½; an alternative to
Acorn's Draw with lots of additional features. All of the options are
described, although it is assumed that the reader is familiar with the
original Acorn version of Draw.
If you are reading this document in Edit, then select “Expand tabs” from the
“Edit” menu to correctly format the text.
DrawPlus offers the following enhancements over and above Acorn Draw:
1. Layers allow drawing information to be structured into different
categories. A drawing can have up to 32 named layers, and each
object in a drawing resides on a specific layer. Each layer can be
shown or made invisible, and objects on them can be selectable or
not.
Layers allow related information to be kept together, completed parts
of the drawing to be made unselectable so that there is no danger of
accidentally changing them, and information which is not needed for
the moment to be hidden.
Layers operate in addition to the background facility in previous
versions of DrawPlus. That is still present, for compatibility
reasons, but the layer system is far more versatile.
2. Objects can be locked so that they cannot be changed until they are
unlocked. This offers a finer level of control than layers, but of
course the two facilities can be used together.
3. Frequently used graphics, symbols or clip art can be stored in a
library and retrieved from it when required. The library can be
saved in a file, independent of any drawings, and the objects in it
pasted into any drawing.
4. Ten line patterns are available (in addition to solid lines), which
can be edited to give custom dashed lines.
5. Information such as the text and path styles, layer and dash pattern
information, grid and zoom options is saved along with the drawing,
and is restored when it is reloaded.
6. Lots of other features too numerous to mention.
Operating systems
-----------------
Current versions of DrawPlus are only tested and supported under RiscOS 3·10
and subsequent versions. It will work with RiscOS 3·00, as originally
supplied with the A5000, but there are some shortcomings in that version of
RiscOS (some of which can lead to file corruption). It will not work under
RiscOS 2 or Arthur: the last version of DrawPlus that can be used with
RiscOS 2 is 2·24. If you are running a version of RiscOS lower than 3·10
then I (and Acorn) would strongly suggest that you upgrade.
No special versions of system modules are required over and above those
supplied as standard with RiscOS 3·10.
DrawPlus is compatible with the RiscPC and is fully usable in 32K and
16Mcolour screen modes. It does not, yet, support JPEG objects in Draw
files.
Running
-------
To start DrawPlus, double-click on the application icon, or a saved Draw file
or library file, in the normal way. If DrawPlus is not yet running, it will
be loaded and the drawing will appear in a new window. If it is already
running, the drawing will be loaded into a new window. In both cases, unless
the option to not do so has been set, a tool window will also appear for
each document window.
To create a new blank drawing, click Select on the icon bar icon once
DrawPlus has been loaded.
To load a Draw file from the Filer or saved from another application, drag it
to the icon bar icon.
A settings file is loaded when the application is run up. This contains such
information as the display colours, preference settings (see below), default
page size and grid settings and default text and path styles. If a message
appears complaining that this file is not present, or is too old, use one of
the default save options to create the file.
Merging and Saving
------------------
To merge a drawing with another, load the first and then drag the second into
the drawing window; the two drawings will be combined. If the appropriate
option has been set, the bottom left corner of the loaded drawing will be
placed at the pointer position where the mouse button was released. If it is
not set, the bottom left corners of the drawings will be aligned without
regard to the pointer position.
To create a sprite object, drag a sprite file into a drawing window; the
object will appear at the pointer position at its true size. If the sprite
file contains more than one sprite, the first one will be used.
Due to changes in the way the operating system handles colours and sprites,
it is necessary to ensure that all sprites with 16 colours or less which are
to be displayed in their true colours include a palette. Sprites without a
palette are displayed using VDU colours, as opposed to desktop colours (i.e.
the same as would be seen in Paint with its “Use desktop colours” option
turned off).
To create a text area object, drag a text file into a drawing window; the
object will be created at the pointer position with the text columns set to
standard sizes. If the file does not have a standard header, one will be
supplied. If an existing text area object is selected when a text file is
loaded, the text in that area will be replaced by the contents of the file
without changing its size or position. The number of columns cannot be
changed.
To allow the extended information and styles to be saved, the files saved by
DrawPlus are not compatible with the original Draw file format. When saved
in this form, they can only be used by DrawPlus. For use with other
packages, the option to save in the original format — without the extended
information — is included.
The following options appear on the “Save” menu. Most of them lead to
“Save as” dialogue boxes which are used in the normal way:
Drawing Saves the complete drawing as a Draw file.
Selection Saves the selected objects as a Draw file, plus the drawing
header and font information if required. Only available in
Select mode when at least one object is selected.
Sprites Saves the selected objects as a sprite file. Select mode
must again be active, and all the selected objects must be
sprites.
Text area Saves the text contained in the selected area as a text file.
A single text area object must be selected. If the text did
not have the standard header when it was loaded, it will be
saved with it.
Defaults Saves the current preference settings, and the current
drawing’s settings and default styles, as the permanent
default. This default will be used for any new drawings
created, and will be saved on disc so that it can be used
next time DrawPlus is run up.
New format Normally on; when this option is ticked, the drawing will be
saved in the extended format. If it is not ticked then no
layer or locking information, or the current styles and
settings, will be saved. Because a lot of information could
be lost by re-saving a file in the old format, confirmation
is requested when this option is turned off.
When this option is off, files created are completely
compatible with Acorn Draw and other applications which use
Draw files. Files saved with this option turned on can be
loaded into Vector, and will retain their extended
information.
With settings Only available if “New format” is set; normally on in that
case. Causes the current styles, layer settings, dash
patterns, grid and paper options and zoom settings to be
saved in the drawing file, so that they will be restored next
time that drawing is loaded. Some of these settings are
understood by Vector.
Preferences
-----------
Selecting the “Preferences” option from the icon bar menu opens the setting
window. The display colours for various items are shown; to change them,
step through the palette colours by clicking on the colour blocks. The other
options available are:
Auto paper size When set, the paper size is automatically set (based
on the drawing dimensions) whenever a drawing is
loaded. If this is not set, the paper size will be
taken from the default settings.
Show menu keys¹ When set, keystroke equivalents will be shown on the
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