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| Components: Multimedia: Graphic Components |
| Name: FAST Alpha Blend 7.0 |
Date: 1/8/04 9:29:00 AM |
Environment:
Delphi 7.0 |
Download |
| Type: Freeware |
Size: 854k |
Price: FREE
Source: FREE |
Online Registration: Link Not Available |
Description:
This Alpha Blend Routine allows one to create
blends between a foreground and background bitmap
of any shape, size and degree of transparency.
Foreground, background, and alpha channel
bitmaps can be Windows BMP or JPEG format
in 8, 16, 24 or 32 bits per pixel.
THIS IS A FAST BLEND routine using
optimized ScanLine[] pixel access.
FULL SOURCE CODE and DEMONSTRATION PROGRAM
is INCLUDED. IT IS PUBLIC DOMAIN and FREE for use
however you would like.
The amount of blend for each single pixel is
determined by the colour values denoted within an
Alpha Channel Bitmap.
The closer to full white the pixels are in the
alpha channel bitmap then the more the foreground
shows through, while the closer to dark Black the
alpha channel pixels are, then the more the
background shows through. The alpha channel
bitmap can contains organic shapes, different
colours and different levels of grey to signify
various levels of transparency.
Open the "Alpha_Blend_Project.dpr" project file
within Delphi and read the code in the Unit file "Alpha_Blend_Unit.pas" to get a detailed explanation of how the alpha blend routine works.
Designed and Coded by Henry A. Eckstein
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Additional Information:
- Total downloads between 1/14/04 and 11/22/08: 1689
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| Author: Henry A. Eckstein |
No Homepage Specified |
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