Example usage for android.graphics Color TRANSPARENT

List of usage examples for android.graphics Color TRANSPARENT

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Introduction

In this page you can find the example usage for android.graphics Color TRANSPARENT.

Prototype

int TRANSPARENT

To view the source code for android.graphics Color TRANSPARENT.

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Usage

From source file:Main.java

static public int getColor(Context context, String name) {
    int identifier = context.getResources().getIdentifier(name, "color", context.getPackageName());
    if (identifier > 0) {
        return context.getResources().getColor(identifier);
    }/*from  w w  w.  jav a  2s  . c  o  m*/
    return Color.TRANSPARENT;
}

From source file:Main.java

public static Bitmap clearBitmap(Bitmap sourceBitmap) {
    Bitmap newBitmap = Bitmap.createBitmap(sourceBitmap, 0, 0, sourceBitmap.getWidth(),
            sourceBitmap.getHeight());//from   ww  w .  j  a v  a2  s.c o m
    Bitmap mutableBitmap = newBitmap.copy(Bitmap.Config.ARGB_8888, true);
    mutableBitmap.eraseColor(Color.TRANSPARENT);
    return mutableBitmap;
}

From source file:Main.java

public static Bitmap createBitmapFromView(View view) {
    // Clear any focus from the view first to remove any cursor
    view.clearFocus();//w  ww.  j a  v a 2  s  .  c  o m
    Bitmap drawingBitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
    drawingBitmap.eraseColor(Color.TRANSPARENT);
    Canvas canvas = new Canvas(drawingBitmap);
    view.draw(canvas);
    return drawingBitmap;
}

From source file:Main.java

public static Bitmap drawableToBitmap(Drawable drawable) {
    if (drawable == null)
        drawable = new ColorDrawable(Color.TRANSPARENT);

    Bitmap bitmap;// ww  w  . jav a 2  s  . c om

    if (drawable instanceof BitmapDrawable) {
        BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
        if (bitmapDrawable.getBitmap() != null)
            return bitmapDrawable.getBitmap();
    }

    if (drawable.getIntrinsicWidth() <= 0 || drawable.getIntrinsicHeight() <= 0)
        bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
    else
        bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
                Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(bitmap);
    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
    drawable.draw(canvas);
    return bitmap;
}

From source file:Main.java

public static synchronized void cleansurfaceview(SurfaceHolder postureholder, SurfaceView posturesurface) {
    Canvas canvas = postureholder
            .lockCanvas(new Rect(0, 0, posturesurface.getWidth(), posturesurface.getHeight()));
    canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
    postureholder.unlockCanvasAndPost(canvas);
    Canvas canvasa = postureholder
            .lockCanvas(new Rect(0, 0, posturesurface.getWidth(), posturesurface.getHeight()));
    canvasa.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
    postureholder.unlockCanvasAndPost(canvasa);
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.KITKAT)
private static void transparentStatusBar(Activity activity) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
        activity.getWindow().setStatusBarColor(Color.TRANSPARENT);
    } else {//from  w w  w.  j  a  v  a2s.c o m
        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
    }
}

From source file:Main.java

public static int[] findBoundsOfVisibleBitmap(Bitmap bitmap) {
    // Sanity check
    if (bitmap == null)
        return null;

    // Init data/*from   w  ww .  j  a va  2 s.  c om*/
    int bitmapWidth = bitmap.getWidth();
    int bitmapHeight = bitmap.getHeight();

    // Color
    int backgroundColor = Color.TRANSPARENT;

    // Bounds
    int xMin = Integer.MAX_VALUE;
    int xMax = Integer.MIN_VALUE;
    int yMin = Integer.MAX_VALUE;
    int yMax = Integer.MIN_VALUE;

    // Get pixel array
    int[][] bitmapArray = new int[bitmapHeight][bitmapWidth];
    for (int y = 0; y < bitmapHeight; y++) {
        bitmap.getPixels(bitmapArray[y], 0, bitmapWidth, 0, y, bitmapWidth, 1);
    }

    // Find bitmap bound
    boolean foundPixel = false;
    // Find xMin
    for (int x = 0; x < bitmapWidth; x += SCAN_INTERVAL) {
        boolean stop = false;
        for (int y = 0; y < bitmapHeight; y += SCAN_INTERVAL) {
            if (bitmapArray[y][x] != backgroundColor) {
                xMin = x;
                stop = true;
                foundPixel = true;
                break;
            }
        }
        if (stop)
            break;
    }

    // Image is empty...
    if (!foundPixel)
        return null;

    // Find yMin
    for (int y = 0; y < bitmapHeight; y += SCAN_INTERVAL) {
        boolean stop = false;
        for (int x = xMin; x < bitmapWidth; x += SCAN_INTERVAL) {
            if (bitmapArray[y][x] != backgroundColor) {
                yMin = y;
                stop = true;
                break;
            }
        }
        if (stop)
            break;
    }

    // Find xMax
    for (int x = bitmapWidth - 1; x >= xMin; x -= SCAN_INTERVAL) {
        boolean stop = false;
        for (int y = yMin; y < bitmapHeight; y += SCAN_INTERVAL) {
            if (bitmapArray[y][x] != backgroundColor) {
                xMax = x;
                stop = true;
                break;
            }
        }
        if (stop)
            break;
    }

    // Find yMax
    for (int y = bitmapHeight - 1; y >= yMin; y -= SCAN_INTERVAL) {
        boolean stop = false;
        for (int x = xMin; x <= xMax; x += SCAN_INTERVAL) {
            if (bitmapArray[y][x] != backgroundColor) {
                yMax = y;
                stop = true;
                break;
            }
        }
        if (stop)
            break;
    }

    // Expand bitmap with offset
    int offset = SCAN_INTERVAL;
    int left = Math.max(xMin - offset, 0);
    int top = Math.max(yMin - offset, 0);
    int right = Math.min(xMax + offset, bitmapWidth);
    int bottom = Math.min(yMax + offset, bitmapHeight);

    int[] bound = { left, top, right, bottom };
    return bound;
}

From source file:Main.java

public static Drawable getAsssetDrawableByName(Context context, String name) {
    try {//from   ww  w. ja  v a2s .co  m
        InputStream is = context.getAssets().open(name);
        return new BitmapDrawable(context.getResources(), BitmapFactory.decodeStream(is));
    } catch (IOException e) {
        e.printStackTrace();
    }
    return new ColorDrawable(Color.TRANSPARENT);
}

From source file:Main.java

/**
 * Method to create a fully-transparent Bitmap using the same size of the source passed as
 * parameter and also the same density./*from w w w .  j ava  2  s.  com*/
 *
 * @param source The original Bitmap.
 * @return A transparent Bitmap with the same size of the source.
 */
public static Bitmap clear(Bitmap source) {
    Bitmap newBitmap = Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight());
    //to erase the color from a Bitmap, I must use a mutable Bitmap!!!!
    Bitmap mutableBitmap = newBitmap.copy(Bitmap.Config.ARGB_8888, true);
    mutableBitmap.eraseColor(Color.TRANSPARENT);
    return mutableBitmap;
}

From source file:Main.java

static public void setImageColorPixels(ImageView view, Bitmap myBitmap, int rgbcolor)// ,Bitmap sourceBitmap)
{

    int intArray[];

    intArray = new int[myBitmap.getWidth() * myBitmap.getHeight()];

    // copy pixel data from the Bitmap into the 'intArray' array
    myBitmap.getPixels(intArray, 0, myBitmap.getHeight(), 0, 0, myBitmap.getHeight(), myBitmap.getWidth());

    // replace the red pixels with yellow ones
    for (int i = 0; i < intArray.length; i++) {
        // System.out.println("color is--" + i + " " + intArray[i]);
        if (intArray[i] != Color.TRANSPARENT) {

            intArray[i] = rgbcolor;//ww w  . j ava  2  s. co m
        }
    }
    myBitmap.setPixels(intArray, 0, myBitmap.getHeight(), 0, 0, myBitmap.getHeight(), myBitmap.getWidth());

    view.setImageBitmap(myBitmap);
}