paul@manray.asd.sgi.com (Paul Haeberli) (05/29/91)
A Free paint program for IRIS workstations is available from
sgi.com. To get it:
1. ftp sgi.com
2. login as anonymous, use your mail address as the password.
3. cd graphics/bin
4. set binary mode
5. do a get of imp.Z
6. uncompress imp.Z
7. imp image.rgb to start painting.
Here is description of the painting functions supported by imp:
usage: imp inimage.rgb
UPARROWKEY - makes the brush stroke have twice the area.
DOWNRROWKEY - makes the brush stroke have half the area.
F5KEY - toggles between full screen size and last size.
F7KEY - zooms displayed painting down one click.
F8KEY - zooms displayed painting up one click.
F9KEY - moves image to the left a bit
F10KEY - moves image to the right a bit
F11KEY - moves image to the down a bit
F12KEY - moves image to the up a bit
Here is a little description of the painting controls:
Brush Shape:
This lets you select various different brush shapes
Brush Size:
This slider controls the brush size
Paint Density:
This slider controls how fast paint is transfered to the canvas
Brush Type:
This slider controls the painting operation
Normal - this just draws the brush stroke using the current color
Sticky - color is picked up from where you first click down
Blur - the image is made more blurry as you paint
Sharpen - image is made more sharper as you paint
Edge - click down in one colored area, as you paint, colors
are pushed away from this color to enhance an edge
Clone - this copies parts of the image from one place to another
to select where to get pixels from, hold down shift key, depress
the left mouse button and move to where you want pixels to be sent
and release the mouse button
Drag - this drags the painting around as you paint. This uses the
current Direction described below
Complement - this pushes the colors in the canvas AWAY from the current
color as you paint
Impression - the source image is sampled to obtain the painting color
as you paint
Current color:
To pick a color from anywhere on the screen, click the middle mouse
button on the color you like, or press the left mouse button down
while you are over the color rectangle on the control panel and move
the cursor over the color you want to use and release
Color Noise:
This slider controls how much noise is added to the painting color
Direction:
This slider controls the brush stroke and Drag directions
Constant - the direction is constant
First Move - the direction is set by the first motion
Follow Mouse - the direction follows the mouse
Blend Operation:
The blend op controls how colors are blended onto the canvas
Full Color - the color of the destination is updated
Color only - only the chroma is modified, the brightness is kept
he same
On Darker - Only parts of the canvas that are darker are modified
On Lighter - Only parts of the canvas that are lighter are modified
Have fun . . .
paul haeberli
paul@sgi.com
415-962-3665