How to draw properly image on bitmap

Question

I have some image (.png) it has resolution 96 x 96 and size 100 x 200. It is myImageLoadedFromFile.

And I need to draw properly over it some other images (anotherImage).

I use Photoshop to detect coordinates of X and Y. Photoshop shows some strange coordinates like X = 1.5f and Y= 1,8f when I use mouse to plan where I have to draw that little image. But what I have got is that all images I draw are at the left top corner.

It seems like I have to use different way to know which coordinates I have to use to do it properly.

Any clue how to do it? Which Tool is possible to use to get proper coords. using mouse?

Here my C# code

 var bitmap  = new Bitmap(myImageLoadedFromFile);  
 using (var g = Graphics.FromImage(bitmap))
 {
     g.DrawImage(anotherImage, new PointF(1.5f, 1,8f));
     g.Flush();
 }

To make your live easier, right click on the rulers in Photoshop (Ctrl+R if they're not showing) and change them over to pixels — Chris Haas
– Chris Haas, Commented Jul 1, 2014 at 17:39
@ChrisHaas It seems like you are right, brother! Hahahaa Please put it like an answer, man! Thank you! — NoWar
– NoWar, Commented Jul 1, 2014 at 17:42

Chris Haas · Accepted Answer · 2014-07-01 17:45:05Z

1

You can change Photoshop's default units from points to pixels. With any document open just right-click on the rules (Ctrl + R if they're not showing already).

You can also get to this through the menus at Edit -> Preferences -> Units & Rulers

answered Jul 1, 2014 at 17:45

Chris Haas

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