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ID: 17357, Precision Bubble Knob

by Photine Kaklamanos Email: Anonymous

Allow user input via a 3D bubble knob. Precision Bubble Knob is an ActiveX control for your applications which displays an interactive knob in form of a 3D bubble. It is rendered in photorealistic quality, shading, and triple.
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For C++Builder, Version 5.0  to 6.0 211 downloads
Copyright: All rights reserved

Size: 831,967 bytes
Updated on Mon, 14 Jan 2002 06:30:01 GMT
Originally uploaded on Mon, 14 Jan 2002 06:33:09 GMT
SHA1 Hash: AC3BA314C336416A2970D2C97B8A5A82FE4626CD
MD5 Hash: 28E727421C869D16A5B89C56334613DE

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Precision Bubble Knob allows the fine adjustment by the user of a continuous variable, via a natural rotation movement exerted with the mouse over a smooth and intuitive bubble instrument. It features photorealistic quality shading and triple buffering, and more than 20 parameters available to customise graphic appearance and functionality: color and geometry of every single graphical element, font and format of written text, the number of divisions, layout and much more.

Precision Bubble Knob was written entirely in C++ and is composed of strongly optimized code. The only required libraries are the MFC and MSVCRT DLLs, that are shipped with every version of Microsoft Windows. You do not need to add any additional component to your application distribution kit.

Precision Bubble Knob is only 48k in size. This means that it is very fastly loaded at runtime into your application and it does not significantly increase your final application size.

Precision Bubble Knob has 22 parameters you can set. For example it is possible to set the color of every single graphical element, the font of the text, the number of divisions, the geometry and the layout of the components, the line thickness and so on. It makes no use of fixed-size bitmaps, every graphic element you see is dynamically scaled according to the container window size and to user's choices.

Precision Bubble Knob makes use of a triple-buffering technology, which does not only avoid unpleasant flickering effects, but it stores partial drawing results in order to minimize redrawing time. Every graphic manipulation is performed in memory, using when possible the results of the previous cycles, and only eventually the final result is transferred to the video buffer, using all the available hardware optimizations that the graphic card provides for the BitBlt. All the documentation you may need on Precision Bubble Knob is both provided in the installation package and on line.

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