Example usage for android.graphics Canvas drawBitmap

Introduction

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

Prototype

public void drawBitmap(@NonNull Bitmap bitmap, @Nullable Rect src, @NonNull Rect dst, @Nullable Paint paint) 

Source Link

Document

Draw the specified bitmap, scaling/translating automatically to fill the destination rectangle.

Usage

From source file:com.crs4.roodin.moduletester.CustomView.java

@Override
public void onDraw(Canvas canvas, Matrix matrix) {

    canvas.rotate(currentRotation, translateX, translateY);
    canvas.drawBitmap(blockImg, 0, 0, null);
    drawBarreds().draw(canvas);/*from w  w  w.  j a  va2 s  .  c  o  m*/
    drawRadar(canvas);

    canvas.restore();
}

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From source file:com.ibuildapp.romanblack.FanWallPlugin.data.Statics.java

/**
 * Sets the downloaded attached image./*ww w.  ja va 2  s  . c  o m*/
 *
 * @param fileName picture file path
 */
public static Bitmap publishPicture(String fileName) {
    Bitmap bitmap = null;
    try {

        if (!TextUtils.isEmpty(fileName)) {
            try {
                BitmapFactory.Options opts = new BitmapFactory.Options();
                opts.inJustDecodeBounds = true;
                BitmapFactory.decodeFile(fileName, opts);

                //Find the correct scale value. It should be the power of 2.
                int width = opts.outWidth, height = opts.outHeight;
                int scale = 1;
                while (true) {
                    if (width / 2 <= 150 || height / 2 <= 150) {
                        break;
                    }
                    width /= 2;
                    height /= 2;
                    scale *= 2;
                }
                BitmapFactory.Options opt = new BitmapFactory.Options();
                opt.inSampleSize = scale;

                bitmap = BitmapFactory.decodeFile(fileName, opt);
                int size = 0;
                if (bitmap.getHeight() > bitmap.getWidth()) {
                    size = bitmap.getWidth();
                } else {
                    size = bitmap.getHeight();
                }
                Bitmap output = Bitmap.createBitmap(size, size, Bitmap.Config.RGB_565);
                Canvas canvas = new Canvas(output);

                final int color = 0xff424242;
                final Paint paint = new Paint();
                final Rect rect = new Rect(0, 0, size, size);
                final RectF rectF = new RectF(rect);
                final float roundPx = 0;

                paint.setAntiAlias(true);
                canvas.drawARGB(0, 0, 0, 0);
                paint.setColor(color);
                canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

                paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
                canvas.drawBitmap(bitmap, rect, rect, paint);

                bitmap.recycle();

                return output;
            } catch (Exception e) {
                Log.w("", "");
            }
        }
    } catch (Exception ex) {

    }

    return null;
}

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From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Context context, Bitmap input, int pixels, int w, int h,
        boolean squareTL, boolean squareTR, boolean squareBL, boolean squareBR) {

    bitmapResult = Bitmap.createBitmap(w, h, Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmapResult);
    final float densityMultiplier = context.getResources().getDisplayMetrics().density;

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0 + 5, 0 + 5, w - 5, h - 5);
    final RectF rectF = new RectF(rect);

    // make sure that our rounded corner is scaled appropriately

    final float roundPx = pixels * densityMultiplier;

    paint.setAntiAlias(true);//from w w w  .  ja  v a2s .c  o  m
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    // canvas.drawColor(Color.BLACK);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    // draw rectangles over the corners we want to be square
    if (squareTL) {
        canvas.drawRect(0, 0, w / 2, h / 2, paint);
    }
    if (squareTR) {
        canvas.drawRect(w / 2, 0, w, h / 2, paint);
    }
    if (squareBL) {
        canvas.drawRect(0, h / 2, w / 2, h, paint);
    }
    if (squareBR) {
        canvas.drawRect(w / 2, h / 2, w, h, paint);
    }

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    // paint.setXfermode(new AvoidXfermode(Color.WHITE, 255,
    // AvoidXfermode.Mode.TARGET));
    canvas.drawBitmap(input, 0, 0, paint);

    return bitmapResult;
}

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From source file:mil.nga.giat.mage.sdk.utils.MediaUtility.java

public static Bitmap resizeAndRoundCorners(Bitmap bitmap, int maxSize) {
    boolean isLandscape = bitmap.getWidth() > bitmap.getHeight();

    int newWidth, newHeight;
    if (isLandscape) {
        newWidth = maxSize;/*from   www  .j  av  a 2s . co m*/
        newHeight = Math.round(((float) newWidth / bitmap.getWidth()) * bitmap.getHeight());
    } else {
        newHeight = maxSize;
        newWidth = Math.round(((float) newHeight / bitmap.getHeight()) * bitmap.getWidth());
    }

    Bitmap resizedBitmap = Bitmap.createScaledBitmap(bitmap, newWidth, newHeight, false);

    if (resizedBitmap != bitmap)
        bitmap.recycle();

    Bitmap roundedProfile = Bitmap.createBitmap(resizedBitmap.getWidth(), resizedBitmap.getHeight(),
            Config.ARGB_8888);

    Canvas roundedCanvas = new Canvas(roundedProfile);
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, roundedProfile.getWidth(), roundedProfile.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = 7.0f;

    paint.setAntiAlias(true);
    roundedCanvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    roundedCanvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    roundedCanvas.drawBitmap(resizedBitmap, rect, rect, paint);
    return roundedProfile;
}

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From source file:com.channelsoft.common.bitmapUtil.ImageWorker.java

/**
* ?//  w w  w  .j av a  2 s .c o m
* @param bmpOriginal
* @return
*/
public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();
    width = bmpOriginal.getWidth();

    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

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From source file:com.nextgis.maplibui.formcontrol.Sign.java

@Override
protected void onDraw(Canvas canvas) {
    if (mNotInitialized && mPreviousSignBitmap != null)
        canvas.drawBitmap(mPreviousSignBitmap, 0, 0, null);

    int posX = canvas.getWidth() - mClearImageSize - mClearBuff;
    mCleanImage.setBounds(posX, mClearBuff, posX + mClearImageSize, mClearImageSize + mClearBuff);
    mCleanImage.draw(canvas);/*from w  w w . j a va2s .c  om*/

    if (!mNotInitialized)
        for (Path path : mPaths)
            canvas.drawPath(path, mPaint);
}

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From source file:com.benefit.buy.library.http.query.callback.BitmapAjaxCallback.java

private static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;
    paint.setAntiAlias(true);//from  ww w  .  j  av a  2s.  c  o m
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

---

From source file:com.fastaccess.tfl.ui.widget.drag.DragView.java

@Override
protected void onDraw(Canvas canvas) {
    float scale = mAnimationScale;
    if (scale < 0.999f) {
        float width = mBitmap.getWidth();
        float offset = (width - (width * scale)) / 2;
        canvas.translate(offset, offset);
        canvas.scale(scale, scale);//from   ww  w . j  a v  a  2 s.com
    }
    canvas.drawBitmap(mBitmap, 0.0f, 0.0f, mPaint);
}

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From source file:ch.jeda.platform.android.CanvasFragment.java

void setBitmap(final Bitmap bitmap) {
    if (this.surfaceAvailable) {
        final Canvas canvas = this.surfaceHolder.lockCanvas();
        if (canvas != null) {
            canvas.drawBitmap(bitmap, 0f, 0f, null);
            this.surfaceHolder.unlockCanvasAndPost(canvas);
        }/*w w  w.  j  a  v a  2s .  c om*/
    }
}

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From source file:com.crystal.CrystalBeanWallpapers.Wallpaper.java

private Bitmap getColoredBitmap(Bitmap src, int color) {
    int width = src.getWidth();
    int height = src.getHeight();

    Bitmap dest = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);

    Canvas canvas = new Canvas(dest);
    Paint paint = new Paint();
    paint.setColorFilter(new PorterDuffColorFilter(color, Mode.OVERLAY));
    canvas.drawBitmap(src, 0, 0, paint);

    return dest;//  w ww. j ava2  s  .c  om
}

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