Kostya (or anyone else)
Ok. In TRYING to write out a ANDROID Bitmap to a windows .bmp file.
I am very close but there is something that is still off because my image
doesn't look right (as in the screen shot below).
Here is how I am writing out to the file:
cache - is the Android Bitmap file which I want to write out to a .bmp file.
It is set to: Bitmap.Config.ARGB_8888
//Get the Bitmap height, width, and put the data
into a byte array (bytesar)
byte[] bytesar = null;
ByteBuffer dst = null;
int height = cache.getHeight();
int width = cache.getWidth();
int bmSize = cache.getRowBytes() * height;
dst = ByteBuffer.allocate(bmSize);
bytesar = new byte[bmSize];
dst.position(0);
cache.copyPixelsToBuffer(dst);
dst.position(0);
dst.get(bytesar);
//I then write out the bytesar byte array AFTER I
write out the BMP header.
The settings in the header are:
private byte bitmapInfoHeader [] = new byte [40]; - Header size is 40
private int biSize = BITMAPINFOHEADER_SIZE;
private int biWidth = width //width of Bitmap
private int biHeight = height //height of Bitmap
private int biPlanes = 1;
private int biBitCount = 32; //The bite count is 32
private int biCompression = 0;
size is computed by:
int pad = (4 - ((width * 3) % 4)) * height;
biSizeImage = ((width * height) * 3) + pad;
private int biSizeImage
private int biXPelsPerMeter = 0x0;
private int biYPelsPerMeter = 0x0;
private int biClrUsed = 0;
private int biClrImportant = 0;
It's very close because here is what it looks like when I write out the .bmp
file.
As you can see it's upside down and the colors are off:
http://i1092.photobucket.com/albums/i409/ch39336688/test-2.jpg
In the same block of code I write out using the Android lib to make sure
that my image is good via the code:
FileOutputStream out = new FileOutputStream("test.png");
cache.compress(Bitmap.
CompressFormat.PNG, 90, out);
And here is how that comes out (which is how I want):
http://i1092.photobucket.com/albums/i409/ch39336688/test.png
Again I don't just want to use compress to write out my images because I
have a lot of images and it kills my performance. So I want to stream the
images out to a .bmp file is what my overall goal is. Someplace in my .bmp
header I have something wrong I think.
Any help on what anyone thinks my issue is would be a great help. Thank you
-Chris
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