Example usage for android.graphics RectF offset

Introduction

In this page you can find the example usage for android.graphics RectF offset.

Prototype

public void offset(float dx, float dy) 

Source Link

Document

Offset the rectangle by adding dx to its left and right coordinates, and adding dy to its top and bottom coordinates.

Usage

From source file:com.futurologeek.smartcrossing.crop.CropImageActivity.java

private Bitmap decodeRegionCrop(Rect rect, int outWidth, int outHeight) {
    // Release memory now
    clearImageView();/*  w  ww.j  a va 2s.  co  m*/

    InputStream is = null;
    Bitmap croppedImage = null;
    try {
        is = getContentResolver().openInputStream(sourceUri);
        BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(is, false);
        final int width = decoder.getWidth();
        final int height = decoder.getHeight();

        if (exifRotation != 0) {
            // Adjust crop area to account for image rotation
            Matrix matrix = new Matrix();
            matrix.setRotate(-exifRotation);

            RectF adjusted = new RectF();
            matrix.mapRect(adjusted, new RectF(rect));

            //if the cutting box are rectangle( outWidth != outHeight ),and the exifRotation is 90 or 270,
            //the outWidth and outHeight showld be interchanged
            if (exifRotation == 90 || exifRotation == 270) {
                int temp = outWidth;
                outWidth = outHeight;
                outHeight = temp;
            }

            // Adjust to account for origin at 0,0
            adjusted.offset(adjusted.left < 0 ? width : 0, adjusted.top < 0 ? height : 0);
            rect = new Rect((int) adjusted.left, (int) adjusted.top, (int) adjusted.right,
                    (int) adjusted.bottom);
        }

        try {
            croppedImage = decoder.decodeRegion(rect, new BitmapFactory.Options());
            if (rect.width() > outWidth || rect.height() > outHeight) {
                Matrix matrix = new Matrix();
                matrix.postScale((float) outWidth / rect.width(), (float) outHeight / rect.height());

                //if the picture's exifRotation !=0 ,they should be rotate to 0 degrees
                matrix.postRotate(exifRotation);
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedImage.getWidth(),
                        croppedImage.getHeight(), matrix, true);
            } else {
                //if the picture need not to be scale, they also neet to be rotate to 0 degrees
                Matrix matrix = new Matrix();
                matrix.postRotate(exifRotation);
                croppedImage = Bitmap.createBitmap(croppedImage, 0, 0, croppedImage.getWidth(),
                        croppedImage.getHeight(), matrix, true);
            }
        } catch (IllegalArgumentException e) {
            // Rethrow with some extra information
            throw new IllegalArgumentException("Rectangle " + rect + " is outside of the image (" + width + ","
                    + height + "," + exifRotation + ")", e);
        }

    } catch (IOException e) {
        Log.e("Error cropping image: " + e.getMessage(), e);
        finish();
    } catch (OutOfMemoryError e) {
        Log.e("OOM cropping image: " + e.getMessage(), e);
        setResultException(e);
    } finally {
        CropUtil.closeSilently(is);
    }
    return croppedImage;
}

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From source file:com.example.joshf.conc.CameraFragment.java

/**
 * Configures the necessary {@link android.graphics.Matrix} transformation to `mTextureView`.
 * This method should be called after the camera preview size is determined in
 * setUpCameraOutputs and also the size of `mTextureView` is fixed.
 *
 * @param viewWidth  The width of `mTextureView`
 * @param viewHeight The height of `mTextureView`
 *//*from w  w  w  . jav  a2s.  c o  m*/
private void configureTransform(int viewWidth, int viewHeight) {
    Activity activity = getActivity();
    if (null == mTextureView || null == mPreviewSize || null == activity) {
        return;
    }
    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    Matrix matrix = new Matrix();
    RectF viewRect = new RectF(0, 0, viewWidth, viewHeight);
    RectF bufferRect = new RectF(0, 0, mPreviewSize.getHeight(), mPreviewSize.getWidth());
    float centerX = viewRect.centerX();
    float centerY = viewRect.centerY();
    if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
        Log.e("rotate", "90");
        bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
        matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
        float scale = Math.max((float) viewHeight / mPreviewSize.getHeight(),
                (float) viewWidth / mPreviewSize.getWidth());
        matrix.postScale(scale, scale, centerX, centerY);
        matrix.postRotate(90 * (rotation), centerX, centerY);
    } else if (Surface.ROTATION_180 == rotation) {
        Log.e("rotate", "180");
        matrix.postRotate(180, centerX, centerY);
    }
    mTextureView.setTransform(matrix);
}

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From source file:com.Yamate.Camera.Camera.java

/**
 * Configures the necessary {@link android.graphics.Matrix} transformation to `mTextureView`.
 * This method should be called after the camera preview size is determined in
 * setUpCameraOutputs and also the size of `mTextureView` is fixed.
 *
 * @param viewWidth  The width of `mTextureView`
 * @param viewHeight The height of `mTextureView`
 *///from  w w  w . j a  va  2  s  .  c o m
private void configureTransform(int viewWidth, int viewHeight) {
    Activity activity = mActivity;
    if (null == mPreviewSize || null == activity) {
        return;
    }
    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    Matrix matrix = new Matrix();
    RectF viewRect = new RectF(0, 0, viewWidth, viewHeight);
    RectF bufferRect = new RectF(0, 0, mPreviewSize.getHeight(), mPreviewSize.getWidth());
    float centerX = viewRect.centerX();
    float centerY = viewRect.centerY();
    if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
        bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
        matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
        float scale = Math.max((float) viewHeight / mPreviewSize.getHeight(),
                (float) viewWidth / mPreviewSize.getWidth());
        matrix.postScale(scale, scale, centerX, centerY);
        matrix.postRotate(90 * (rotation - 2), centerX, centerY);
    } else if (Surface.ROTATION_180 == rotation) {
        matrix.postRotate(180, centerX, centerY);
    }
    //mTextureView.setTransform(matrix);
}

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From source file:com.android.camera.HighlightView.java

private void growBy(float dx, float dy) {
    if (mMaintainAspectRatio) {
        if (dx != 0) {
            dy = dx / mInitialAspectRatio;
        } else if (dy != 0) {
            dx = dy * mInitialAspectRatio;
        }//  w  w  w  . java2s  .c  o  m
    }

    // Don't let the cropping rectangle grow too fast.
    // Grow at most half of the difference between the image rectangle and
    // the cropping rectangle.
    RectF r = new RectF(mCropRect);
    if (dx > 0F && r.width() + 2 * dx > mImageRect.width()) {
        dx = (mImageRect.width() - r.width()) / 2F;
        if (mMaintainAspectRatio) {
            dy = dx / mInitialAspectRatio;
        }
    }
    if (dy > 0F && r.height() + 2 * dy > mImageRect.height()) {
        dy = (mImageRect.height() - r.height()) / 2F;
        if (mMaintainAspectRatio) {
            dx = dy * mInitialAspectRatio;
        }
    }

    r.inset(-dx, -dy);

    // Don't let the cropping rectangle shrink too fast.
    final float widthCap = 25F;
    if (r.width() < widthCap) {
        r.inset(-(widthCap - r.width()) / 2F, 0F);
    }
    float heightCap = mMaintainAspectRatio ? (widthCap / mInitialAspectRatio) : widthCap;
    if (r.height() < heightCap) {
        r.inset(0F, -(heightCap - r.height()) / 2F);
    }

    // Put the cropping rectangle inside the image rectangle.
    if (r.left < mImageRect.left) {
        r.offset(mImageRect.left - r.left, 0F);
    } else if (r.right > mImageRect.right) {
        r.offset(-(r.right - mImageRect.right), 0);
    }
    if (r.top < mImageRect.top) {
        r.offset(0F, mImageRect.top - r.top);
    } else if (r.bottom > mImageRect.bottom) {
        r.offset(0F, -(r.bottom - mImageRect.bottom));
    }

    mCropRect.set(r);
    mDrawRect = computeLayout();
    mContext.invalidate();
}

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From source file:com.lab47billion.appchooser.HorizontalPicker.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    int saveCount = canvas.getSaveCount();
    canvas.save();/*from  w w w  .j a va  2s.c o m*/

    int selectedItem = mSelectedItem;

    float itemWithPadding = mItemWidth + mDividerSize;

    // translate horizontal to center
    canvas.translate(itemWithPadding * mSideItems, 0);

    if (mValues != null) {
        for (int i = 0; i < mValues.length; i++) {

            mTextPaint.setColor(getTextColor(i));

            // get text layout
            View layout = mLayouts[i][0];
            //                layout.draw(canvas);
            //NEW
            View layoutSub = mLayouts[i][1];
            int saveCountHeight = canvas.getSaveCount();
            canvas.save();

            float x = 0;
            float lineWidth = 40f;
            if (lineWidth > mItemWidth) {
                if (isRtl(mValues[i])) {
                    x += (lineWidth - mItemWidth) / 2;
                } else {
                    x -= (lineWidth - mItemWidth) / 2;
                }
            }

            /*set select item top padding */
            int yTranslate;
            if (!isScrollingStart && i == selectedItem) {
                mTextPaint.setTextSize(mSelectedTextSize);
            } else {
                mTextPaint.setTextSize(mNormalTextSize);
            }

            // translate vertically to center
            if (layoutSub != null) {
                yTranslate = (canvas.getHeight() - (layout.getHeight() + layoutSub.getHeight())) / 2;
            } else {
                yTranslate = (canvas.getHeight() - layout.getHeight()) / 2;
            }

            if (i == selectedItem && topPadding != -1) {
                yTranslate = topPadding;
            }

            canvas.translate(-x, yTranslate);

            RectF clipBounds;
            if (x == 0) {
                clipBounds = mItemClipBounds;
            } else {
                clipBounds = mItemClipBoundsOffser;
                clipBounds.set(mItemClipBounds);
                clipBounds.offset(x, 0);
            }
            canvas.clipRect(clipBounds);
            layout.draw(canvas);

            if (layoutSub != null) {
                Paint.FontMetrics fontMetrics = mTextPaint.getFontMetrics();
                int heightText = (int) (Math.abs(fontMetrics.ascent) + Math.abs(fontMetrics.descent));
                canvas.translate(-x, (layout.getHeight() + heightText - getTopPadding()) / 2);
                canvas.clipRect(clipBounds);
                layoutSub.draw(canvas);
            }

            // restore vertical translation
            canvas.restoreToCount(saveCountHeight);

            // translate horizontal for 1 item
            canvas.translate(itemWithPadding, 0);
        }
    }

    // restore horizontal translation
    canvas.restoreToCount(saveCount);

    drawEdgeEffect(canvas, mLeftEdgeEffect, 270);
    drawEdgeEffect(canvas, mRightEdgeEffect, 90);
}

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From source file:com.example.gatsu.theevent.HighlightView.java

void growBy(float dx, float dy) {

    if (mMaintainAspectRatio) {
        if (dx != 0) {
            dy = dx / mInitialAspectRatio;
        } else if (dy != 0) {
            dx = dy * mInitialAspectRatio;
        }/*from  w  ww  .j  a v a2  s . co m*/
    }

    // Don't let the cropping rectangle grow too fast.
    // Grow at most half of the difference between the image rectangle and
    // the cropping rectangle.
    RectF r = new RectF(mCropRect);
    if (dx > 0F && r.width() + 2 * dx > mImageRect.width()) {
        float adjustment = (mImageRect.width() - r.width()) / 2F;
        dx = adjustment;
        if (mMaintainAspectRatio) {
            dy = dx / mInitialAspectRatio;
        }
    }
    if (dy > 0F && r.height() + 2 * dy > mImageRect.height()) {
        float adjustment = (mImageRect.height() - r.height()) / 2F;
        dy = adjustment;
        if (mMaintainAspectRatio) {
            dx = dy * mInitialAspectRatio;
        }
    }

    r.inset(-dx, -dy);

    // Don't let the cropping rectangle shrink too fast.
    final float widthCap = 25F;
    if (r.width() < widthCap) {
        r.inset(-(widthCap - r.width()) / 2F, 0F);
    }
    float heightCap = mMaintainAspectRatio ? (widthCap / mInitialAspectRatio) : widthCap;
    if (r.height() < heightCap) {
        r.inset(0F, -(heightCap - r.height()) / 2F);
    }

    // Put the cropping rectangle inside the image rectangle.
    if (r.left < mImageRect.left) {
        r.offset(mImageRect.left - r.left, 0F);
    } else if (r.right > mImageRect.right) {
        r.offset(-(r.right - mImageRect.right), 0);
    }
    if (r.top < mImageRect.top) {
        r.offset(0F, mImageRect.top - r.top);
    } else if (r.bottom > mImageRect.bottom) {
        r.offset(0F, -(r.bottom - mImageRect.bottom));
    }

    mCropRect.set(r);
    mDrawRect = computeLayout();
    mContext.invalidate();
}

---

From source file:org.caojun.library.cropimage.HighlightView.java

void growBy(float dx, float dy) {

    if (mMaintainAspectRatio) {
        if (dx != 0) {
            dy = dx / mInitialAspectRatio;
        } else if (dy != 0) {
            dx = dy * mInitialAspectRatio;
        }/*from   w  w w .j  a va  2  s . co m*/
    }

    // Don't let the cropping rectangle grow too fast.
    // Grow at most half of the difference between the image rectangle and
    // the cropping rectangle.
    RectF r = new RectF(mCropRect);
    if (dx > 0F && r.width() + 2 * dx > mImageRect.width()) {
        float adjustment = (mImageRect.width() - r.width()) / 2F;
        dx = adjustment;
        if (mMaintainAspectRatio) {
            dy = dx / mInitialAspectRatio;
        }
    }
    if (dy > 0F && r.height() + 2 * dy > mImageRect.height()) {
        float adjustment = (mImageRect.height() - r.height()) / 2F;
        dy = adjustment;
        if (mMaintainAspectRatio) {
            dx = dy * mInitialAspectRatio;
        }
    }

    r.inset(-dx, -dy);

    // Don't let the cropping rectangle shrink too fast.
    final float widthCap = 25F;
    if (r.width() < widthCap) {
        r.inset(-(widthCap - r.width()) / 2F, 0F);
    }
    float heightCap = mMaintainAspectRatio ? (widthCap / mInitialAspectRatio) : widthCap;
    if (r.height() < heightCap) {
        r.inset(0F, -(heightCap - r.height()) / 2F);
    }

    // Put the cropping rectangle inside the image rectangle.
    if (r.left < mImageRect.left) {
        r.offset(mImageRect.left - r.left, 0F);
    } else if (r.right > mImageRect.right) {
        r.offset(-(r.right - mImageRect.right), 0);
    }
    if (r.top < mImageRect.top) {
        r.offset(0F, mImageRect.top - r.top);
    } else if (r.bottom > mImageRect.bottom) {
        r.offset(0F, -(r.bottom - mImageRect.bottom));
    }

    mCropRect.set(r);
    mDrawRect = computeLayout();
    mView.invalidate();
}

---

From source file:com.bitflake.counter.HorizontalPicker.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    int saveCount = canvas.getSaveCount();
    canvas.save();/*from w  w  w. j  a  v  a 2s .  c o  m*/

    int selectedItem = this.selectedItem;

    float itemWithPadding = itemWidth + dividerSize;

    // translate horizontal to center
    canvas.translate(itemWithPadding * sideItems, 0);

    if (values != null) {
        for (int i = 0; i < values.length; i++) {

            // set text color for item
            textPaint.setColor(getTextColor(i));

            // get text layout
            BoringLayout layout = layouts[i];

            int saveCountHeight = canvas.getSaveCount();
            canvas.save();

            float x = 0;

            float lineWidth = layout.getLineWidth(0);
            if (lineWidth > itemWidth) {
                if (isRtl(values[i])) {
                    x += (lineWidth - itemWidth) / 2;
                } else {
                    x -= (lineWidth - itemWidth) / 2;
                }
            }

            if (marquee != null && i == selectedItem) {
                x += marquee.getScroll();
            }

            // translate vertically to center
            canvas.translate(-x, (canvas.getHeight() - layout.getHeight()) / 2);

            RectF clipBounds;
            if (x == 0) {
                clipBounds = itemClipBounds;
            } else {
                clipBounds = itemClipBoundsOffset;
                clipBounds.set(itemClipBounds);
                clipBounds.offset(x, 0);
            }

            canvas.clipRect(clipBounds);
            layout.draw(canvas);

            if (marquee != null && i == selectedItem && marquee.shouldDrawGhost()) {
                canvas.translate(marquee.getGhostOffset(), 0);
                layout.draw(canvas);
            }

            // restore vertical translation
            canvas.restoreToCount(saveCountHeight);

            // translate horizontal for 1 item
            canvas.translate(itemWithPadding, 0);
        }
    }

    // restore horizontal translation
    canvas.restoreToCount(saveCount);

    drawEdgeEffect(canvas, leftEdgeEffect, 270);
    drawEdgeEffect(canvas, rightEdgeEffect, 90);
}

---

From source file:kr.selfcontrol.selflocklauncher.picker.HorizontalPicker.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    int saveCount = canvas.getSaveCount();
    canvas.save();//from  www .j a  va2s . c o m

    int selectedItem = mSelectedItem;

    float itemWithPadding = mItemWidth + mDividerSize;

    // translate horizontal to center
    canvas.translate(itemWithPadding * mSideItems, 0);

    if (mValues != null) {
        for (int i = 0; i < mValues.length; i++) {

            // set text color for item
            mTextPaint.setColor(getTextColor(i));

            // get text layout
            BoringLayout layout = mLayouts[i];

            int saveCountHeight = canvas.getSaveCount();
            canvas.save();

            float x = 0;

            float lineWidth = layout.getLineWidth(0);
            if (lineWidth > mItemWidth) {
                if (isRtl(mValues[i])) {
                    x += (lineWidth - mItemWidth) / 2;
                } else {
                    x -= (lineWidth - mItemWidth) / 2;
                }
            }

            if (mMarquee != null && i == selectedItem) {
                x += mMarquee.getScroll();
            }

            // translate vertically to center
            canvas.translate(-x, (canvas.getHeight() - layout.getHeight()) / 2);

            RectF clipBounds;
            if (x == 0) {
                clipBounds = mItemClipBounds;
            } else {
                clipBounds = mItemClipBoundsOffser;
                clipBounds.set(mItemClipBounds);
                clipBounds.offset(x, 0);
            }

            canvas.clipRect(clipBounds);
            layout.draw(canvas);

            if (mMarquee != null && i == selectedItem && mMarquee.shouldDrawGhost()) {
                canvas.translate(mMarquee.getGhostOffset(), 0);
                layout.draw(canvas);
            }

            // restore vertical translation
            canvas.restoreToCount(saveCountHeight);

            // translate horizontal for 1 item
            canvas.translate(itemWithPadding, 0);
        }
    }

    // restore horizontal translation
    canvas.restoreToCount(saveCount);

    drawEdgeEffect(canvas, mLeftEdgeEffect, 270);
    drawEdgeEffect(canvas, mRightEdgeEffect, 90);
}

---

From source file:de.tud.nhd.petimo.libs.HorizontalPicker.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    int saveCount = canvas.getSaveCount();
    canvas.save();// w w  w  . jav a2 s .  com

    int selectedItem = this.selectedItem;

    float itemWithPadding = itemWidth + dividerSize;

    // translate horizontal to center
    canvas.translate(itemWithPadding * sideItems, 0);

    if (values != null) {
        for (int i = 0; i < values.length; i++) {

            if (i == selectedItem) {
                textPaint.setColor(getResources().getColor(R.color.colorAccent));
                //textPaint.setTextSize(40);
                textPaint.setFakeBoldText(true);
            } else {
                textPaint.setColor(getTextColor(i));
                //textPaint.setTextSize(textSize);
                textPaint.setFakeBoldText(false);
            }

            // get text layout
            BoringLayout layout = layouts[i];

            int saveCountHeight = canvas.getSaveCount();
            canvas.save();

            float x = 0;

            float lineWidth = layout.getLineWidth(0);
            if (lineWidth > itemWidth) {
                if (isRtl(values[i])) {
                    x += (lineWidth - itemWidth) / 2;
                } else {
                    x -= (lineWidth - itemWidth) / 2;
                }
            }

            if (marquee != null && i == selectedItem) {
                x += marquee.getScroll();
            }

            // translate vertically to center
            canvas.translate(-x, (canvas.getHeight() - layout.getHeight()) / 2);

            RectF clipBounds;
            if (x == 0) {
                clipBounds = itemClipBounds;
            } else {
                clipBounds = itemClipBoundsOffset;
                clipBounds.set(itemClipBounds);
                clipBounds.offset(x, 0);
            }

            canvas.clipRect(clipBounds);
            layout.draw(canvas);

            if (marquee != null && i == selectedItem && marquee.shouldDrawGhost()) {
                canvas.translate(marquee.getGhostOffset(), 0);
                layout.draw(canvas);
            }

            // restore vertical translation
            canvas.restoreToCount(saveCountHeight);

            // translate horizontal for 1 item
            canvas.translate(itemWithPadding, 0);
        }
    }

    // restore horizontal translation
    canvas.restoreToCount(saveCount);

    drawEdgeEffect(canvas, leftEdgeEffect, 270);
    drawEdgeEffect(canvas, rightEdgeEffect, 90);
}

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