Example usage for android.graphics Canvas getHeight

Introduction

In this page you can find the example usage for android.graphics Canvas getHeight.

Prototype

public int getHeight() 

Source Link

Document

Returns the height of the current drawing layer

Usage

From source file:Main.java

@SuppressWarnings("unused")
public static Bitmap drawableToBitmap(Drawable drawable) {
    Bitmap bitmap;/*w  w w  . j  a  va2s . c  o  m*/

    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); // Single color bitmap will be created of 1x1 pixel
    } 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;
}

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From source file:Main.java

private static Bitmap drawable2Bitmap(Drawable drawable, int... defaultWH) {
    if (drawable == null)
        return null;
    if (drawable instanceof BitmapDrawable)
        return ((BitmapDrawable) drawable).getBitmap();
    try {/*from  w w  w .  ja v  a 2s .com*/
        Bitmap bitmap;
        if (drawable instanceof ColorDrawable)
            bitmap = Bitmap.createBitmap(defaultWH[0], defaultWH[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;
    } catch (OutOfMemoryError e) {
        return null;
    }
}

---

From source file:Main.java

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

    Bitmap bitmap;//w  w  w.ja  va2s .  c  o m

    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 Bitmap toBitmap(Drawable drawable) {
    if (drawable instanceof BitmapDrawable) {
        return ((BitmapDrawable) drawable).getBitmap();
    }//from   ww w .  ja  v a 2  s.  c o m

    int width = drawable.getIntrinsicWidth();
    width = width > 0 ? width : 1;
    int height = drawable.getIntrinsicHeight();
    height = height > 0 ? height : 1;

    Bitmap bitmap = Bitmap.createBitmap(width, height, 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 Bitmap createFromDrawable(Drawable drawable) {
    if (drawable == null)
        return null;

    if (drawable instanceof BitmapDrawable)
        return ((BitmapDrawable) drawable).getBitmap();

    int width = drawable.getIntrinsicWidth();
    if (width == -1) // e.g. for ColorDrawable.
        width = 1;//from w  w w .j a  v a  2  s.c o m

    int height = drawable.getIntrinsicHeight();
    if (height == -1)
        height = 1;

    // NOTE: Although the following code is a bit expensive, it will not be necessary
    // for most drawables, since they are normally bitmap resources.
    Bitmap bitmap = Bitmap.createBitmap(width, height, 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 Bitmap drawableToBitmap(Drawable drawable) {
    Bitmap bitmap = null;/*  w  w w .  j  a  v a  2s  .c o  m*/

    if (drawable instanceof BitmapDrawable) {
        BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
        bitmapDrawable.setAntiAlias(true);
        bitmapDrawable.setDither(true);
        bitmapDrawable.setTargetDensity(Integer.MAX_VALUE);
        if (bitmapDrawable.getBitmap() != null) {
            return bitmapDrawable.getBitmap();
        }
    }

    if (drawable.getIntrinsicWidth() <= 0 || drawable.getIntrinsicHeight() <= 0) {
        bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888); // Single color bitmap will be created of 1x1 pixel
    } 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

/**
 * TODO: Never tested. I don't remember if it works, but plese don't remove this.
 *///from   w  w  w  . j  av a  2 s  . com
private static Bitmap drawableToBitmap(Drawable drawable) {
    Bitmap bitmap = null;

    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); // Single color bitmap will be created of 1x1 pixel
    } 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 Bitmap convertToBitmap(Drawable dw) {
    Bitmap bitmap;/*w  ww  . ja v a 2s. com*/

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

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

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

---

From source file:Main.java

public static Bitmap getBitmapFromDrawable(Drawable drawable) {
    if (drawable == null) {
        return null;
    }/*  ww w  .  j  a  va2  s .co m*/
    if (drawable instanceof BitmapDrawable) {
        return ((BitmapDrawable) drawable).getBitmap();
    }
    try {
        Bitmap bitmap;
        if (drawable instanceof ColorDrawable) {
            bitmap = Bitmap.createBitmap(COLORDRAWABLE_DIMENSION, COLORDRAWABLE_DIMENSION, BITMAP_CONFIG);
        } else {
            bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
                    BITMAP_CONFIG);
        }
        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
        drawable.draw(canvas);
        return bitmap;
    } catch (OutOfMemoryError e) {
        return null;
    }
}

---

From source file:Main.java

/**
 * Extract an underlying bitmap from a drawable
 *
 * @param sourceDrawable The source drawable
 * @return The underlying bitmap//w  w w  .ja  v  a 2 s  .c om
 */
public static Bitmap getBitmapFromDrawable(Drawable sourceDrawable) {
    if (sourceDrawable == null) {
        return null;
    }

    if (sourceDrawable instanceof BitmapDrawable) {
        return ((BitmapDrawable) sourceDrawable).getBitmap();
    } else {
        //copying drawable object to not manipulate on the same reference
        Drawable.ConstantState constantState = sourceDrawable.getConstantState();
        if (constantState == null) {
            return null;
        }
        Drawable drawable = constantState.newDrawable().mutate();

        Bitmap 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;
    }
}

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