How to scale down the bmp

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Dear All,

I need to create bit maps dynamically, always the bit map size is constant say 150,70. i need to create some lines on the bit map, the line points are getting from the application but the points are greater than the total bitmap area. how to scale down the points and fit it in to the bitmap exartly?

Thanks in advance.

Regards,
Anil

Posted 9-Dec-10 18:44pm

Member 4399771

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Fredrik Bornander 10-Dec-10 4:02am

It depends, is there a fixed size for the area that the points can occupy in the other application, or is it the case that the left most point should always appear at X=0 in the bitmap?

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Thomas Krojer · Accepted Answer · 2010-12-09T22:31:00

you have to calculate the points by code ...

First, you need to know the maximum values you can get from the application.

for example: max value from the application is 2000, 500, and you get the point 1000,100 you need to calculate:

(1000/2000)*150
and
(100/500)*70

and you have your exact points within the bitmap.