C # proportional to the best size of the picture

Source: Internet
Author: User

Scaling pictures by scale, C # code, in the actual image processing or web upload program, I think this more practical, hope for everyone useful, crap say, look at the code:

01private static Size newsize (int maxwidth, int maxheight, int width, int height)


Double w = 0.0;

Double h = 0.0;

Double SW = convert.todouble (width);

Double sh = convert.todouble (height);

Double MW = convert.todouble (maxwidth);

Double MH = convert.todouble (maxheight);

if (SW < MW && SH < MH)

10 {

one w = SW;

h = sh;


Or else if ((sw/sh) > (MW/MH)

15 {

W = maxwidth;

H = (W * sh)/SW;



20 {

h = maxheight;

W = (H * sw)/sh;


return new Size (Convert.ToInt32 (w), Convert.ToInt32 (h));


Learn from the book, understand C # should know how to use.

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