Part of .NET's System.Drawing Namespace - Bitmap.LockBits Method
Locks a Bitmap into system memory
Docs: https://learn.microsoft.com/en-us/dotnet/api/system.drawing.bitmap.lockbits?view=netframework-4.7
Questions tagged [lockbits]
95 questions
-1
votes
2 answers
Locate pixel by color return point
I need to locate the points/cordinates (x,y) of the first pixel it finds with the specified color.
I have used the GetPixel() method, but it's a bit too slow and were looking into LockBits. How ever I can't figure out if this actually could solve…
KLIM8D
- 582
- 1
- 8
- 25
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votes
1 answer
LockBits seems to result in wrong stride when copying byte array to bitmap
I'm trying to copy a simple byte array to an 8bit indexed bitmap. Using the exact same code as shown in countless answered questions on many forums, I still get the wrong result. The data I'm trying to write to image files is 360 bytes, setup as…
AntonEagle
- 19
- 2
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votes
2 answers
Pixel Output Incorrect
I am trying to get all the pixels from a set image using LockBits and iterating through every pixel via for. But i am getting incorrect pixels. I exhilarate more in a second.
Code:
Bitmap bmp = new Bitmap(ImagePath);
pictureBox1.Image =…
rguarascia.ts
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- 19
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votes
1 answer
C#, "?" and ":" operators
I not found any solution for my problem so i ask, how ? and : operators works when i have multiple statemants?
What i want to do, i have pixel on the middle pixel[pos] and pixels around, its look like:
0 0 0
0 x 0
0 0 0
x is a center pixel.
Im…
user9687180
-2
votes
1 answer
c#.NET - Extracting raw pixel data with lockbits
I'm making a program to automatically perform certain edits on images.
One of the functions is converting "white" pixels to "white" and transparent. Initially, all is well.
I have managed to convert a 24bppRGB image to a 32bppRGB image with the…
user1341109
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