Resize the SD card image to fit screen

Hello

I've already learned how to read a bitmap file from the SD card with the following code:

public Bitmap getBitmapFromFile(String file){

    Bitmap b = null;
        try{
            FileConnection oInputFileConnection = (FileConnection)Connector.open(file, Connector.READ);
            InputStream oInputStream = null;

            if(oInputFileConnection.exists())
                oInputStream = oInputFileConnection.openInputStream();

            byte[] arrData = new byte[(int)oInputFileConnection.fileSize()];
            int nCode = oInputStream.read(arrData, 0, arrData.length);
            oInputStream.close();
            oInputFileConnection.close();

             b = Bitmap.createBitmapFromBytes(arrData, 0, -1, 1);
        }catch(Exception e){

        }
    return b;
}

Now I want to format this bitmap to the size 480x360px. How can I do?

I know what I can change with this

b = Bitmap.createBitmapFromBytes(arrData, 0, -1, 1);

but it is not so accurate.

Can someone help me?

just tried it out.

public class Utils {
    public static Bitmap resizeBitmap(Bitmap image, int width, int height)
    {   

        //Need an array (for RGB, with the size of original image)
        //
        int rgb[] = new int[image.getWidth()*image.getHeight()];

        //Get the RGB array of image into "rgb"
        //
        image.getARGB(rgb, 0, image.getWidth(), 0, 0, image.getWidth(), image.getHeight());

        //Call to our function and obtain RGB2
        //
        int rgb2[] = rescaleArray(rgb, image.getWidth(), image.getHeight(), width, height);

        //Create an image with that RGB array
        //
        Bitmap temp2 = new Bitmap(width, height);

        temp2.setARGB(rgb2, 0, width, 0, 0, width, height);

        return temp2;
    }
    private static int[] rescaleArray(int[] ini, int x, int y, int x2, int y2)
    {
        int out[] = new int[x2*y2];
        for (int yy = 0; yy < y2; yy++)
        {
            int dy = yy * y / y2;
            for (int xx = 0; xx < x2; xx++)
            {
                int dx = xx * x / x2;
                out[(x2 * yy) + xx] = ini[(x * dy) + dx];
            }
        }
        return out;
    }
}

Tags: BlackBerry Developers

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Resize the SD card image to fit screen

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