Add an animated effect to an image with this DOS tool.

It can used for displaying logo in dos games / software. Alternatively, it can be used to add ui animations in dos. It uses rrgggbbb color palette format for displaying images, and only 24-bit bitmap images are supported. The file format of .eff file is:

header {
  frames as integer
  xres   as integer
  yres   as integer
}
frame { color-value as xres*yres byte }
frame { color-value as xres*yres byte }
...

Start eff-make.exe to create an image effect.

ball.bmp is the 24-bit bitmap image.

Bitmap file is the image whose effect is required.
Output file is the resulting image effect file.
Frames determines the length of the animation.
Method tells the effect to be used.

Dark to bright effect is stored in ball0.eff.

Bright to dark effect of ball.bmp.

Bright to dark effect is stored in ball1.eff.

Start eff-join.exe to join two image effects.

Img-effect file-1 is the first effect file.
Img-effect file-2 is the second effect file.
Output file is the combined effect file.

ball0.eff and ball1.eff is joined to ball.eff.

Start eff-play.exe to view the combined animation.

Img-effect file is the file to be played.

Img-effect file is the file to be played.

Dark to bright to dark animation is seen.