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-
- Painting in Image
- -----------------
-
- Painting within Image is designed primarily for touching up and adding
- to existing pictures, rather than creating new pictures from scratch.
- As such Image adopts a rather unusual approach to painting, but one
- which is very powerful.
-
- When you select the 'Paint' icon on the control panel, two things
- happen. First the 'Paint Control' window opens, but also an image
- 'overlay' is created. This overlay is in fact a 16 colour sprite, the
- same size as the current display picture, which is placed over the
- display window picture (although it is initially transparent).
-
- Any paint operations you perform are actually done to that sprite (the
- main picture is untouched). When you have finished painting you can
- then merge the overlay with the main picture using any merge operation
- available on the 'Merge Operations' control window (including the mask
- creation operations).
-
-
- Brushes
- -------
-
- The Paint operations in Image include 3 different brushes; square,
- circular and spray can. These three brushes can have any size, from 1
- pixel size upwards (this is selected by the 'Size' icon). The spray
- can also has an extra parameter, density, which determines how quickly
- the spray can works. Also there is a pencil 'brush' which can be selected,
- however this brush has a fixed width (single pixel). Finally there is a flood
- fill paint can, which flood fills over a colour in the overlay.
-
- To paint simply select the brush you require, and set the size, etc.
- Then using the 'Colour Selection' window select the colour you require
- (see 'Colour Selection' for details) and move the mouse pointer over
- the display window and press (and hold) SELECT. Whilst you hold the
- mouse button the brush will be applied (following the mouse pointer)
- with its centre being under the mouse pointer.
-
- If, instead of holding SELECT, you use ADJUST the brush changes into
- an eraser (having the same shape and size as the brush) which will rub
- out areas of the overlay (thus exposing the main picture again). This
- is one of the highly useful features available due to the 'overlay'
- approach of Image - no matter how much you paint into an overlay you
- can rub out any amount. Note, this ADJUST behaviour extend to the flood fill,
- except here it will remove all connected parts from the overlay.
-
-
-
- Shapes
- ------
-
- As well as brushes there are also 'shapes'. These comprise of lines, circles,
- rectangles, ellipses, and parallelograms. These shapes are added (as in
- '!Paint') by pressing SELECT on the first point of the shape (corner, or
- centre) and then the shape will 'rubber band', following the mouse pointer
- until SELECT is pressed again (some shapes require 3 presses).
-
- As standard the shapes are filled, but selecting the 'Outline' option makes
- the shape outline only be drawn. Also setting the 'Erase' option causes the
- shape to be used as a rubber. Pressing ADJUST while rubber-banding causes the
- current operation to be abandoned.
-
-
-
- Text
- ----
-
- You can insert text into an overlay, using any available outline font. To
- place text in the overlay first select the font you require by selecting the
- menu icon at the top left of the 'Text' section of the Paint Control window.
- This brings up a standard font menu, simply select the font you require and
- its name will appear in the icon at the top of the 'Text' section.
-
- Now you need to enter the size and angle of the text. The size refers to the
- point size of the text, next to this is an icon for entering the X:Y ratio
- for the text. Next to this is an icon for specifying the angle (in degrees)
- of the text.
-
- Finally enter the desired text in the icon at the bottom of the 'Text' section
- and select the 'Font' brush icon (top left of the 'Text' section). Now
- pressing SELECT over the picture display window will enter the text starting
- at the position of the click. As with the brushes, clicking ADJUST turns the
- text brush into an eraser.
-
-
- Control
- -------
-
- If you want to clear the overlay, simply select the 'Clear' icon in
- the paint control window. The 'Save' icon will save the current
- overlay out to a special file which can be loaded with the 'Load'
- icon. The 'Cancel' icon closes the paint control window, first
- performing a 'Save'. The close window icon to the left of the title
- bar will close the paint window but does not save the current
- overlay.
-
- The 'Apply' icon will perform an 'Over Merge' (this is the same as using the
- merge control window with the 'Over' operation). Pressing SELECT on the
- 'Mask' icon will add the current overlay drawing to the image's mask, whilst
- using ADJUST will subtract it from the mask (these perform the same operation
- as the merge window's 'Add' and 'Sub' mask operations).
-
- Important Notes:
-
- 1) Whilst the 'Paint' window is open some operations in Image are not
- allowed. If you try to perform an operation which is not allowed you
- will be warned that you can not perform that operation whilst in the
- middle of a paint operation.
-
- 2) Closing the 'Paint' control window using the 'Abort' option destroys the
- overlay completely.
-
- 3) When you perform a 'Merge' using the overlay, a 'Save' is
- automatically performed before the merge, and the overlay is cleared
- after the merge.
-
-