bitmap
How to look at Bitmap objects in Visual Studio debugger?
There is no debugger visualizer by default for Bitmap, so you might want to give this one a try: http://imagedebugvisualizer.codeplex.com/
How can I read image pixels’ values as RGB into 2d array?
Well, if I understood correctly, you want to iterate through the pixels in the image, perform some kind of test, and if it passes you want to store that pixel in an array. Here´s how you could do that: using System.Drawing; Bitmap img = new Bitmap(“*imagePath*”); for (int i = 0; i < img.Width; i++) … Read more
IllegalArgumentException: width and height must be > 0 while loading Bitmap from View
I finally figured out a solution for my problem. I’m using the post method of the View, which will be executed only after the view measuring and layouting, this way getWidth() and getHeight() returns the actual width and height. Here’s the code sample: mImage.post(new Runnable() { @Override public void run() { mImage.setImageBitmap(loadBitmapFromView(mImage)); } }); Hope … Read more
PorterduffXfermode: Clear a section of a bitmap
The problem is hardware acceleration. Turn it OFF for the particular View that you are painting with CLEAR. If you’re using a custom view, do this in the constructors: if (android.os.Build.VERSION.SDK_INT >= 11) { setLayerType(View.LAYER_TYPE_SOFTWARE, null); } You can also call setLayerType on a view reference.
‘Bitmap’ could not be found (are you missing a using directive or an assembly reference?)
You have to add System.Drawing to your references so in solution Explorer rightclick on References and click on Add References and in assemblies find System.Drawing and click OK