How to split an image?

[bonebreaker]

I would like to split an image to multiple rectangles, what would be the most appropriate way ?

I think the best way to create the splited parts as new images, but how ?

thanks!

[Simucal]

There are a few image editing dll's out there that will accept coordinates and crop an image (which you could repeat 4x) .. but in my brief google search I didn't see any free ones. So, that may be one way.

[PaulIA]

I would like to split an image to multiple rectangles, what would be the most appropriate way ?

I think the best way to create the splited parts as new images, but how ?

thanks!

I guess it depends upon the image type and whether you want to lug a DLL around with your application. Bitmaps are the easiest format to handle and Windows has all of the necessary API calls. You can split a bitmap into multiple rectangles fairly easy using the same routines that the ScreenCap module in Auto3Lib uses.

[Sykeo]

dunno but ya could attempt to create a device context than retrive certain areas of the context...... almost like backbuffer and replacing only what you need on the main context device ....

If you planning to do it in autoit why use a dll .... autoit can call api....

[Thatsgreat2345]

Im sure Prospeed in the example scripts could do this.

[bonebreaker]

Thanks I think the screenshot will make it ! But the best way would be sykeos idea to hide parts from the image and display parts, I have no idea on that one.

[PaulIA]

Thanks I think the screenshot will make it ! But the best way would be sykeos idea to hide parts from the image and display parts, I have no idea on that one.

If you take a look at the _ScreenCap_Capture function, you'll see it does exactly that. It creates a DC, copies the specified desktop region to the DC and then saves the DC as a bitmap. You can easily modify this to load a bitmap from a file and then use the same API calls to copy portions of the bitmap into another DC that you can save.