Example usage for android.graphics Rect setEmpty

Introduction

In this page you can find the example usage for android.graphics Rect setEmpty.

Prototype

public void setEmpty() 

Source Link

Document

Set the rectangle to (0,0,0,0)

Usage

From source file:lewa.support.v7.widget.SwitchCompat.java

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

    final Rect padding = mTempRect;
    final Drawable trackDrawable = mTrackDrawable;
    if (trackDrawable != null) {
        trackDrawable.getPadding(padding);
    } else {/*from w w  w  .  j  av  a  2  s. co m*/
        padding.setEmpty();
    }

    final int switchTop = mSwitchTop;
    final int switchBottom = mSwitchBottom;
    final int switchInnerTop = switchTop + padding.top;
    final int switchInnerBottom = switchBottom - padding.bottom;

    final Drawable thumbDrawable = mThumbDrawable;
    if (trackDrawable != null) {
        trackDrawable.draw(canvas);
    }

    final int saveCount = canvas.save();

    if (thumbDrawable != null) {
        thumbDrawable.draw(canvas);
    }

    final Layout switchText = getTargetCheckedState() ? mOnLayout : mOffLayout;
    if (switchText != null) {
        final int drawableState[] = getDrawableState();
        if (mTextColors != null) {
            mTextPaint.setColor(mTextColors.getColorForState(drawableState, 0));
        }
        mTextPaint.drawableState = drawableState;

        final int cX;
        if (thumbDrawable != null) {
            final Rect bounds = thumbDrawable.getBounds();
            cX = bounds.left + bounds.right;
        } else {
            cX = getWidth();
        }

        final int left = cX / 2 - switchText.getWidth() / 2;
        final int top = (switchInnerTop + switchInnerBottom) / 2 - switchText.getHeight() / 2;
        canvas.translate(left, top);
        switchText.draw(canvas);
    }

    canvas.restoreToCount(saveCount);
}

---

From source file:android.support.v7.widget.SwitchCompat.java

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    super.onLayout(changed, left, top, right, bottom);

    int opticalInsetLeft = 0;
    int opticalInsetRight = 0;
    if (mThumbDrawable != null) {
        final Rect trackPadding = mTempRect;
        if (mTrackDrawable != null) {
            mTrackDrawable.getPadding(trackPadding);
        } else {//from w  w w  .  java2  s . c o m
            trackPadding.setEmpty();
        }

        final Rect insets = DrawableUtils.getOpticalBounds(mThumbDrawable);
        opticalInsetLeft = Math.max(0, insets.left - trackPadding.left);
        opticalInsetRight = Math.max(0, insets.right - trackPadding.right);
    }

    final int switchRight;
    final int switchLeft;
    if (ViewUtils.isLayoutRtl(this)) {
        switchLeft = getPaddingLeft() + opticalInsetLeft;
        switchRight = switchLeft + mSwitchWidth - opticalInsetLeft - opticalInsetRight;
    } else {
        switchRight = getWidth() - getPaddingRight() - opticalInsetRight;
        switchLeft = switchRight - mSwitchWidth + opticalInsetLeft + opticalInsetRight;
    }

    final int switchTop;
    final int switchBottom;
    switch (getGravity() & Gravity.VERTICAL_GRAVITY_MASK) {
    default:
    case Gravity.TOP:
        switchTop = getPaddingTop();
        switchBottom = switchTop + mSwitchHeight;
        break;

    case Gravity.CENTER_VERTICAL:
        switchTop = (getPaddingTop() + getHeight() - getPaddingBottom()) / 2 - mSwitchHeight / 2;
        switchBottom = switchTop + mSwitchHeight;
        break;

    case Gravity.BOTTOM:
        switchBottom = getHeight() - getPaddingBottom();
        switchTop = switchBottom - mSwitchHeight;
        break;
    }

    mSwitchLeft = switchLeft;
    mSwitchTop = switchTop;
    mSwitchBottom = switchBottom;
    mSwitchRight = switchRight;
}

---

From source file:org.telegram.ui.Components.Switch.java

@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    final Rect padding = mTempRect;
    int thumbWidth;
    int thumbHeight;
    if (mThumbDrawable != null) {
        mThumbDrawable.getPadding(padding);
        thumbWidth = mThumbDrawable.getIntrinsicWidth() - padding.left - padding.right;
        thumbHeight = mThumbDrawable.getIntrinsicHeight();
    } else {//w w w  .ja  v a 2s .  c  o  m
        thumbWidth = 0;
        thumbHeight = 0;
    }

    mThumbWidth = thumbWidth;

    int trackHeight;
    if (mTrackDrawable != null) {
        mTrackDrawable.getPadding(padding);
        trackHeight = mTrackDrawable.getIntrinsicHeight();
    } else {
        padding.setEmpty();
        trackHeight = 0;
    }

    int paddingLeft = padding.left;
    int paddingRight = padding.right;
    if (mThumbDrawable != null) {
        final Insets inset = Insets.NONE;
        paddingLeft = Math.max(paddingLeft, inset.left);
        paddingRight = Math.max(paddingRight, inset.right);
    }

    final int switchWidth = Math.max(mSwitchMinWidth, 2 * mThumbWidth + paddingLeft + paddingRight);
    final int switchHeight = Math.max(trackHeight, thumbHeight);
    mSwitchWidth = switchWidth;
    mSwitchHeight = switchHeight;

    super.onMeasure(widthMeasureSpec, heightMeasureSpec);

    final int measuredHeight = getMeasuredHeight();
    if (measuredHeight < switchHeight) {
        setMeasuredDimension(switchWidth, switchHeight);
    }
}

---

From source file:android.support.v7.widget.SwitchCompat.java

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

    final Rect padding = mTempRect;
    final Drawable trackDrawable = mTrackDrawable;
    if (trackDrawable != null) {
        trackDrawable.getPadding(padding);
    } else {//from   ww w.  java2s. co m
        padding.setEmpty();
    }

    final int switchTop = mSwitchTop;
    final int switchBottom = mSwitchBottom;
    final int switchInnerTop = switchTop + padding.top;
    final int switchInnerBottom = switchBottom - padding.bottom;

    final Drawable thumbDrawable = mThumbDrawable;
    if (trackDrawable != null) {
        if (mSplitTrack && thumbDrawable != null) {
            final Rect insets = DrawableUtils.getOpticalBounds(thumbDrawable);
            thumbDrawable.copyBounds(padding);
            padding.left += insets.left;
            padding.right -= insets.right;

            final int saveCount = canvas.save();
            canvas.clipRect(padding, Region.Op.DIFFERENCE);
            trackDrawable.draw(canvas);
            canvas.restoreToCount(saveCount);
        } else {
            trackDrawable.draw(canvas);
        }
    }

    final int saveCount = canvas.save();

    if (thumbDrawable != null) {
        thumbDrawable.draw(canvas);
    }

    final Layout switchText = getTargetCheckedState() ? mOnLayout : mOffLayout;
    if (switchText != null) {
        final int drawableState[] = getDrawableState();
        if (mTextColors != null) {
            mTextPaint.setColor(mTextColors.getColorForState(drawableState, 0));
        }
        mTextPaint.drawableState = drawableState;

        final int cX;
        if (thumbDrawable != null) {
            final Rect bounds = thumbDrawable.getBounds();
            cX = bounds.left + bounds.right;
        } else {
            cX = getWidth();
        }

        final int left = cX / 2 - switchText.getWidth() / 2;
        final int top = (switchInnerTop + switchInnerBottom) / 2 - switchText.getHeight() / 2;
        canvas.translate(left, top);
        switchText.draw(canvas);
    }

    canvas.restoreToCount(saveCount);
}

---

From source file:org.mariotaku.multivalueswitch.library.MultiValueSwitch.java

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    super.onLayout(changed, left, top, right, bottom);

    int opticalInsetLeft = 0;
    int opticalInsetRight = 0;
    if (mThumbDrawable != null) {
        final Rect trackPadding = mTempRect;
        if (mTrackDrawable != null) {
            mTrackDrawable.getPadding(trackPadding);
        } else {//from  ww  w .ja v  a2s . c o  m
            trackPadding.setEmpty();
        }

        final Rect insets = MVS_DrawableUtilsAccessor.getOpticalBounds(mThumbDrawable);
        opticalInsetLeft = Math.max(0, insets.left - trackPadding.left);
        opticalInsetRight = Math.max(0, insets.right - trackPadding.right);
    }

    final int switchRight;
    final int switchLeft;
    if (ViewUtils.isLayoutRtl(this)) {
        switchLeft = getPaddingLeft() + opticalInsetLeft;
        switchRight = switchLeft + mSwitchWidth - opticalInsetLeft - opticalInsetRight;
    } else {
        switchRight = getWidth() - getPaddingRight() - opticalInsetRight;
        switchLeft = switchRight - mSwitchWidth + opticalInsetLeft + opticalInsetRight;
    }

    final int switchTop = (getPaddingTop() + getHeight() - getPaddingBottom()) / 2 - mSwitchHeight / 2;
    final int switchBottom = switchTop + mSwitchHeight;

    mSwitchLeft = switchLeft;
    mSwitchTop = switchTop;
    mSwitchBottom = switchBottom;
    mSwitchRight = switchRight;
}

---

From source file:org.mariotaku.multivalueswitch.library.MultiValueSwitch.java

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

    final Rect padding = mTempRect;
    final Drawable trackDrawable = mTrackDrawable;
    if (trackDrawable != null) {
        trackDrawable.getPadding(padding);
    } else {/*from   w  w w  .  j a  va2 s .c o m*/
        padding.setEmpty();
    }

    final Drawable thumbDrawable = mThumbDrawable;
    if (trackDrawable != null) {
        if (mSplitTrack && thumbDrawable != null) {
            final Rect insets = MVS_DrawableUtilsAccessor.getOpticalBounds(thumbDrawable);
            thumbDrawable.copyBounds(padding);
            padding.left += insets.left;
            padding.right -= insets.right;

            final int saveCount = canvas.save();
            canvas.clipRect(padding, Region.Op.DIFFERENCE);
            trackDrawable.draw(canvas);
            canvas.restoreToCount(saveCount);
        } else {
            trackDrawable.draw(canvas);
        }

        final int thumbScrollStart = mSwitchLeft + mThumbWidth - mThumbWidth / 2;
        final int thumbScrollRange = mSwitchRight - mSwitchLeft - mThumbWidth;
        final int y = trackDrawable.getBounds().centerY();
        for (int i = 0, j = getMax(); i < j; i++) {
            if (i == 0 || i == j - 1)
                continue;

            canvas.drawCircle(thumbScrollStart + i * (thumbScrollRange / (j - 1)), y, mPointRadius,
                    mPointPaint);
        }
    }

    final int saveCount = canvas.save();

    if (thumbDrawable != null) {
        thumbDrawable.draw(canvas);
    }

    canvas.restoreToCount(saveCount);

}

---

From source file:rikka.akashitoolkit.ui.widget.IconSwitchCompat.java

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

    final Rect padding = mTempRect;
    final Drawable trackDrawable = mTrackDrawable;
    if (trackDrawable != null) {
        trackDrawable.getPadding(padding);
    } else {//from  w  w w  . j a v  a2  s  . c  o  m
        padding.setEmpty();
    }

    final int switchTop = mSwitchTop;
    final int switchBottom = mSwitchBottom;
    final int switchInnerTop = switchTop + padding.top;
    final int switchInnerBottom = switchBottom - padding.bottom;

    final Drawable thumbDrawable = mThumbDrawable;
    if (trackDrawable != null) {
        if (mSplitTrack && thumbDrawable != null) {
            final Rect insets = DrawableUtils.getOpticalBounds(thumbDrawable);
            thumbDrawable.copyBounds(padding);
            padding.left += insets.left;
            padding.right -= insets.right;

            final int saveCount = canvas.save();
            canvas.clipRect(padding, Region.Op.DIFFERENCE);
            trackDrawable.draw(canvas);
            canvas.restoreToCount(saveCount);
        } else {
            trackDrawable.draw(canvas);
        }
    }

    final int saveCount = canvas.save();

    if (thumbDrawable != null) {
        thumbDrawable.draw(canvas);
    }

    final Drawable iconDrawable = mIconDrawable;
    if (iconDrawable != null) {
        if (mSplitTrack) {
            final Rect insets = DrawableUtils.getOpticalBounds(iconDrawable);
            iconDrawable.copyBounds(padding);
            padding.left += insets.left;
            padding.right -= insets.right;

            //final int saveCount = canvas.save();
            canvas.clipRect(padding, Region.Op.DIFFERENCE);
            iconDrawable.draw(canvas);
            canvas.restoreToCount(saveCount);
        } else {
            iconDrawable.draw(canvas);
        }
    }

    final Layout switchText = getTargetCheckedState() ? mOnLayout : mOffLayout;
    if (switchText != null) {
        final int drawableState[] = getDrawableState();
        if (mTextColors != null) {
            mTextPaint.setColor(mTextColors.getColorForState(drawableState, 0));
        }
        mTextPaint.drawableState = drawableState;

        final int cX;
        if (thumbDrawable != null) {
            final Rect bounds = thumbDrawable.getBounds();
            cX = bounds.left + bounds.right;
        } else {
            cX = getWidth();
        }

        final int left = cX / 2 - switchText.getWidth() / 2;
        final int top = (switchInnerTop + switchInnerBottom) / 2 - switchText.getHeight() / 2;
        canvas.translate(left, top);
        switchText.draw(canvas);
    }

    canvas.restoreToCount(saveCount);
}

---

From source file:com.mixiaoxiao.support.widget.SmoothSwitch.java

@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    super.onLayout(changed, left, top, right, bottom);

    int opticalInsetLeft = 0;
    int opticalInsetRight = 0;
    if (mThumbDrawable != null) {
        final Rect trackPadding = mTempRect;
        if (mTrackDrawable != null) {
            mTrackDrawable.getPadding(trackPadding);
        } else {//from ww w  .  j  a va2s  . c o m
            trackPadding.setEmpty();
        }

        opticalInsetLeft = 0;
        opticalInsetRight = 0;
    }

    final int switchRight;
    final int switchLeft;
    if (ViewUtils.isLayoutRtl(this)) {
        switchLeft = getPaddingLeft() + opticalInsetLeft;
        switchRight = switchLeft + mSwitchWidth - opticalInsetLeft - opticalInsetRight;
    } else {
        switchRight = getWidth() - getPaddingRight() - opticalInsetRight;
        switchLeft = switchRight - mSwitchWidth + opticalInsetLeft + opticalInsetRight;
    }

    final int switchTop;
    final int switchBottom;
    switch (getGravity() & Gravity.VERTICAL_GRAVITY_MASK) {
    default:
    case Gravity.TOP:
        switchTop = getPaddingTop();
        switchBottom = switchTop + mSwitchHeight;
        break;

    case Gravity.CENTER_VERTICAL:
        switchTop = (getPaddingTop() + getHeight() - getPaddingBottom()) / 2 - mSwitchHeight / 2;
        switchBottom = switchTop + mSwitchHeight;
        break;

    case Gravity.BOTTOM:
        switchBottom = getHeight() - getPaddingBottom();
        switchTop = switchBottom - mSwitchHeight;
        break;
    }

    mSwitchLeft = switchLeft;
    mSwitchTop = switchTop;
    mSwitchBottom = switchBottom;
    mSwitchRight = switchRight;
}

---

From source file:com.mixiaoxiao.support.widget.SmoothSwitch.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (!isEnabled()) {//wangbin added this line
        if (mThumbDrawable != null) {
            mThumbDrawable.setColor(getDisableColor(isChecked() ? mThumbColorOn : mThumbColorOff));
        }/*w  ww .j av  a  2  s.c om*/
        if (mTrackDrawable != null) {
            mTrackDrawable.setColor(getDisableColor(isChecked() ? mTrackColorOn : mTrackColorOff));
        }
    }
    final Rect padding = mTempRect;
    final Drawable trackDrawable = mTrackDrawable;
    if (trackDrawable != null) {
        trackDrawable.getPadding(padding);
    } else {
        padding.setEmpty();
    }

    final int switchTop = mSwitchTop;
    final int switchBottom = mSwitchBottom;
    final int switchInnerTop = switchTop + padding.top;
    final int switchInnerBottom = switchBottom - padding.bottom;

    final Drawable thumbDrawable = mThumbDrawable;
    if (trackDrawable != null) {
        trackDrawable.draw(canvas);
    }

    final int saveCount = canvas.save();

    if (thumbDrawable != null) {
        thumbDrawable.draw(canvas);
    }

    final Layout switchText = getTargetCheckedState() ? mOnLayout : mOffLayout;
    if (switchText != null) {
        final int drawableState[] = getDrawableState();
        if (mTextColors != null) {
            mTextPaint.setColor(mTextColors.getColorForState(drawableState, 0));
        }
        mTextPaint.drawableState = drawableState;

        final int cX;
        if (thumbDrawable != null) {
            final Rect bounds = thumbDrawable.getBounds();
            cX = bounds.left + bounds.right;
        } else {
            cX = getWidth();
        }

        final int left = cX / 2 - switchText.getWidth() / 2;
        final int top = (switchInnerTop + switchInnerBottom) / 2 - switchText.getHeight() / 2;
        canvas.translate(left, top);
        switchText.draw(canvas);
    }

    canvas.restoreToCount(saveCount);
}

---

From source file:org.androfarsh.widget.DragGridLayout.java

private boolean requestHoverRect(Rect rect) {
    rect.setEmpty();
    for (final Cell cell : mHoveredCells) {
        if (!rect.isEmpty()) {
            rect.union(cell.rect);/*from w  w w . ja  v a  2 s.  c o  m*/
        } else {
            rect.set(cell.rect);
        }
    }
    return !mHoveredCells.isEmpty() && !rect.isEmpty();
}

---

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