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I've developed my own bitmap class, because then I have much more possibilites related to the perfomance. My other reason is, that I need this later for XNA purposes and so it's much more easier to port this class. I just found some bottlenecks in my code, the invalidate, lock/unlock bits thing and the circle calculation. I'll post later the results, when I'm finished.

I've developed my own bitmap class, because then I have much more possibilites related to the perfomance. My other reason is, that I need this later for XNA purposes and so it's much more easier to port this class. I just found some bottlenecks in my code, the invalidate, lock/unlock bits thing and the circle calculation. I'll post later the results, when I'm finished.

Hello, I have a question related to the circle drawing method of PDN3. ( brush ) I developed at my own a bitmap class, which can draw faster than getpixel, setpixel of .NET. But when I draw onto the bitmap in my level editor with the circle tool it's too slow. How does this thing works in PDN3. I played around with it, and it's much faster than mine. FillEllipse(20,20); // .NET -- 270-280 ticks DrawCircle(20,20); // My method -- 190-210 ticks How is it done in PDN3? Has it better drawing times or is there a trick? And would someone take the time to post the specific code snippet here? Much thanks.

Hello, I have a question related to the circle drawing method of PDN3. ( brush ) I developed at my own a bitmap class, which can draw faster than getpixel, setpixel of .NET. But when I draw onto the bitmap in my level editor with the circle tool it's too slow. How does this thing works in PDN3. I played around with it, and it's much faster than mine. FillEllipse(20,20); // .NET -- 270-280 ticks DrawCircle(20,20); // My method -- 190-210 ticks How is it done in PDN3? Has it better drawing times or is there a trick? And would someone take the time to post the specific code snippet here? Much thanks.

I'm using Windows XP SP2 and my scanner is called: Canon CanoScan4200F Edit: Forgot to say, that my scanner is showed in the system control.

First, thanks for the great and free image editing software! I'm using Paint.NET v.3.01 and the feature "Apply-of scanner/camera..." or something like that doesn't work at all. There is a camera and a scanner installed on my machine. But in the dialog box, only the camera can be selected. Where could be the bottleneck for this problem?