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.NET Forum / Languages / C# / March 2008bitmap bands
Hello, I have a BitMap band i created 32x31, 24x24 and 16x16 how can i extract the portion (single bitmap pict) that i want to use thanks > Hello, I have a BitMap band i created > 32x31, 24x24 and 16x16 > > how can i extract the portion (single bitmap pict) that i want to use What's a "BitMap band". What exactly are you trying to do? What are the actual .NET types of the input data and what do you want as your output data? Back in Win32 a Band is 1 to many bitmaps as a Single File with many blocks Representing Bitmaps as picts to use on tool bars , Instead of having Single files or embedded bmps in the dll ive created 3 bands and would like to use them under net there sizes are 32x32, 16x16,24x24 so the single File will be rectangle in shape with a bunch of pictures next to one another. How to Seperate the Individual pictures under .Net I dont know how I'll keep researching thanks >> Hello, I have a BitMap band i created >> 32x31, 24x24 and 16x16 [quoted text clipped - 4 lines] > actual .NET types of the input data and what do you want as your output > data? > Back in Win32 a Band is 1 to many bitmaps as a Single File with many > blocks > Representing Bitmaps as picts to use on tool bars , I am not completely ignorant of unmanaged Win32 programming techniques. And yet, while I've seen (and used) "image strips" in which a bitmap is divided into some number of equal-sized portions, I've never heard of someone mixing different-sized images within the same strip. It sounds wasteful to me. I've also never heard of someone calling an individual image within an image strip a "band", thus the questions about what you're actually doing. > Instead of having Single files or embedded bmps in the dll > ive created 3 bands and would like to use them under net [quoted text clipped - 4 lines] > > How to Seperate the Individual pictures under .Net I dont know how In unmanaged code, you would generally use Blt() or StretchBlt() to copy a subset of the bitmap as needed. Likewise, in .NET, you can use one of the Graphics.DrawImage() overloads that allows you to indicate what subset of the image you want to draw. Pete They are not Different Sized Images 3 Different files Ranging from 32x32, 24x24 and 16x16 >> Back in Win32 a Band is 1 to many bitmaps as a Single File with many >> blocks [quoted text clipped - 25 lines] > > Pete thank you peter I will dive more into System.Drawing much appriciated >> Back in Win32 a Band is 1 to many bitmaps as a Single File with many >> blocks [quoted text clipped - 25 lines] > > Pete
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