bitmap

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Ways of loading bitmap/drawable to view async in android

I\'ve got activity that has to do many things before it is visible. In proccess of loading view I have to load up bitmap/drawable that consume some time and prevents from other actions that could be d[详细]

2023-04-05 15:31 分类：问答
Is it possible to display image in its original size without getting resize so as to fit the screen in android?

I tried to display an floor plan on the 开发者_如何转开发android emulator but the image displayed is always resize to fit the screen when i run the apps. Is that ways where i can display the image wit[详细]

2023-04-05 11:08 分类：问答
How to remove UIView subviews w/out forcing a redraw?

This is somewhat of a hypothetical question, but I can imagine this situation coming up at some point in the future: Let\'s assume for a moment that I have a freakishly complicated hierarchy of UIView[详细]

2023-04-05 09:19 分类：问答
Creating and displaying a bitmap

What would be the easiest, most cross-platform way to create a bitmap (2D array of integers, or a quad-tree) a开发者_如何学Pythonnd display it on the screen? I would also like to be able to save it as[详细]

2023-04-05 06:42 分类：问答
BitmapFactory 's decodeByteArray and decodeStream returns null

I am trying to decode ARGB byte array into Bitmap to display it as an ImageView. I tried using BitmapFactory\'s decodeByteArray() and decodeStream() but both way gives null as Bitmap.[详细]

2023-04-05 05:39 分类：问答
Loading a bitmap takes more memory of the bitmap itself

I\'m loading a 489KB bitmap using the BitmapFactory.decodeFile. and I check how much memory my program takes after lo开发者_如何学Cading it and I see it adds ~5000KB[详细]

2023-04-05 05:12 分类：问答
Android OpenGL: Bitmap.getHeight() > actual height

Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.background); My background.png has a size of 512x512px[详细]

2023-04-05 02:50 分类：问答
What is the difference bitween Bitmap and Pixmap?

What is the difference between Bitmap and pixmap?also what is the file extension of bitmap a开发者_高级运维nd pixmap?[详细]

2023-04-05 01:28 分类：问答
Memory leak when creating bitmaps in a loop

I have an map app. Somewhere in my code I am rendering data from database into canvas. I ran into \"out of memory\" exception and I cant figure out how to avoid it.[详细]

2023-04-04 23:50 分类：问答
C# Bitmap image masking using unsafe code

I\'m using the following code to make image masks in C#: for(int x = 0; x < width; x++) { for(int y = 0; y < height; y++)[详细]

2023-04-04 22:44 分类：问答