bitmap

Rotating a bitmap using matrix.

While rotating a bitmap using matrix, vertex is not stable.. Matrix matrix = new Matrix(); matrix.postRotate(mDegree,100,100); mCompasstemp = Bitmap.createBitmap(mCompPic, 0, 0, mCompPic.getWidth(), mCompPic.getHeight(), matrix, true); mCompassHud.setImageBitmap(mCompasstemp); Output of my code is like -bitmap will r...

How to embed images of type 'bmp' in to the flash?

I have an image of type '.bmp' (NOT jpeg or png). I am trying to embed it using the following code. [Embed(source="images/door0091.bmp")] private var door0091_class:Class; private var door91:Bitmap = new door0091_class(); On compiling, the code throws following error. 'door0091.bmp' does not have a recognized extension, and a mimeT...

Create bitmap from camera preview in Android

Hi there, I'm new to Android and am trying to create a custom camera filter. My initial thought was to access the frame data directly but this does not seem possible in 2.1 Eclair (I don't have access to Froyo hardware yet) - please correct me if I'm wrong. Instead, I am now trying to reproduce the camera preview by creating and displ...

How are bitmap indexes helpful?

Wikipedia gives this example Identifier Gender Bitmaps F M 1 Female 1 0 2 Male 0 1 3 Male 0 1 4 Unspecified 0 0 5 Female 1 0 But I do not understand this. How is this an i...

Get Object out of a method(runnable) , timer

Hi Guys, I have implemented a timer that parses a URL every 15min (the Timer task). An Object called ParsedExampleDataSet gets that data . Now , whenever i try to retrieve that Object or a String=Object.toString() out of the runnable I get null pointer exception and fatal errors . How Can i retrieve it ?Is there another implementatio...

Slice Image into random sizes using C#?

I have been asked to come up with a way to slice an image into random sizes. Does anyone know where I would start with a project like this? I looked into the Bitmap.Clone and think this may work. I need to figure out how to get the entire image size and then randomly specify tiles of different sizes for the image size total. Any thoughts...

How can I do image manipulation on a very large BMP?

I am trying to do some manipulation (specifically, conversion to a different type of splitting into tiles) on a set of very large (a few GB) BMP image files. I'm not sure I understand the BMP file format, but is it necessary to load the entire file into memory? I was unable to find any API that didn't require loading the entire file at ...

C# - Finding the Boundaries of an Image (not the size)

Hello ! I'm developing an application to split an image grid equally and center the images (based on their similarity). So far, I could manage to fix a grid of images with small sizes, but whenever I try a larger "sprite" size (100x100, for instance), I get Stack Overflow error. Yes I'm using recursion, but whenever a pixel is checked,...

Set individual pixels in .NET Format16bppGrayScale image

I'm trying to render a small Bitmap in memory with .NET that needs to be 16 bit Grayscale. The bitmap's format is set to PixelFormat.Format16bppGrayScale. However, Bitmap.SetPixel takes a Color argument. Color in turn takes one byte for each of R, B, and G (and optionally A). How do I specify a 16-bit gray scale value rather than an ...

Recycling bitmaps/managing memory effectively.

I have a tile based image viewer which scrolls and zooms. Everything works fine...but when the gc fires up there is a bit of a lag I want to get rid of. At the moment, I have no recycling method to my bitmaps for the tiles not onscreen anymore. Would it make a difference if I did recycle the bitmaps once they go off screen using recy...

What happens in the system when canvas.drawBitmap is called?

I have a scrollable and zoomable map which has a low res copy of the map which is drawn when the zoom scale is small and a tile system when the user zooms in past a certain point. The problem im having is that the very first time the tiles are drawn there is a short, but noticable lag. After that initial lag everything is smooth. The GC ...

How do you tint a bitmap in Android?

I draw a bitmap onto a canvas using the following call: _playerImage = BitmapFactory.decodeResource(getResources(), R.drawable.player); How can I now tint this image white? I'm trying to make the image flash white like in top-scrollers when an enemy is hit by a bullet. Do I need to use something other than BitmapFactory? ...

What is the simplest way to extract and write raw RGB data to a file from BitMap?

What is the simple and fastest way to extract raw RGB data from a BITMAP and write the raw data to a file(say .rgb)? ...

Edit embedded resource (Visual Studio)

This should be simple, but Visual Studio stubbornly refuses to cooperate: I have a C# project (Visual Studio 2005) with bitmaps as embedded resources, BUT I CAN'T GET AT THEM! I've been struggling with the GUI and MSDN "help", and can't get to the embedded bitmaps to edit them. How is this done? ...

WPF Polygon to bitmap

How to convert the wpf polygon shape as bitmap image. am tryint to send as Visual parameter to change as bitmap, but it doesnt seems to be working. is there any other way to convert the WPF polygon to bitmap???? am using like below RenderTargetBitmap RTbmap = new RenderTargetBitmap((int)yellowPolygon.Width, (int)yellowPolygon....

How to create an Icon attribute for a plugin in C#?

I’ve created my own plugin architecture based on the common practices but I’m stuck with icons. First of all my plugins define Clients to be used by the host and each Client is defined with attributes like: [Client("Heroes of Newerth", "Heroes of Newerth Chat Client", "hon_16.png")] With this my host application can read the plugin/c...

What's a good simple bitmap editor that run in a browser (jquery/java/javascript) ?

I need to embbed a bitmap editor in one of my site pages. Is there a good option out there? ...

Failed Binder transaction

Can anybody tell me the reason for !!!failed binder transaction!!! error??? I can see this error message in logcat I am getting this error while trying to put an bitmap dynamically in a widget.. ...

How do I pass a click event along to other children below in actionscript?

One of my decoration bitmaps covers up some important elements in my flex application. The problem is these elements become not clickable. How could make the bitmap not clickable or how could I pass the click event along to those children elements below? ...

16 bit images and android processing.

Am i correct in saying a 16 bit image will be decode and drawn faster than a 24 or 32 bit? I know the file size will be less but if the bitmaps will actually be drawn faster than it would be worth the effort to convert them. If it is faster, how would i go about saving a 16 bit jpeg file? I only found an option in photoshop to save a 16 ...