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Applet Tutorial

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Applet Tutorials: Warp deformation

This applet can warp/spiralise any GIF or JPG image. The only requirement is that this image must be sized equally to one of the powers of 2 (64x64 pixel, or 32x64, 128x128, ...). Changing parameter values allows you to simulate a "breathing image" effect. This applet is fully parametrised, so you can generate all kinds of warp effects.

[For more technical information about the available parameters, click here.]

Most parameters are self-explanatory and you can always see brief description of each parameter by moving the mouse pointer over the wizard.

First, set an image to apply this effect and enter the applet size (Width, Height) according to the resolution value. "Resolution" value. "Resolution" is a zooming parameter. For instance, the value 2 gives twice as large an applet size as the screen size, while the value 1 changes nothing. Then you decide if textscroll function is enabled by checking "Enable textscroll" box.

We have provided three kinds of warp effect, which can be selected by "Mode" parameter.

The deform effect comprises two different effects: spiralisation and breathing.

Spiralisation is controlled by the initial value and increase factor per millisecond; Start [-10000, 10000] and Add [0, 250]. The total spiralisation value can be restricted by setting the Min and Max values. These should be within the rage of [-10000, 10000].

In the very similar way, you can configure breathing parameters:

Start, Min, & Max: [-10000, 10000]

Add: [0, 250]

To deactivate each of the effects, place 0 at a respective Add parameter.

Proceed to the textscroll menu if you have checked the textscroll box; otherwise go to the expert menu.