Example usage for android.graphics Canvas getClipBounds

Introduction

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

Prototype

public boolean getClipBounds(@Nullable Rect bounds) 

Source Link

Document

Return the bounds of the current clip (in local coordinates) in the bounds parameter, and return true if it is non-empty.

Usage

From source file:mega.privacy.android.app.components.SlidingUpPanelLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    boolean result;
    final int save = canvas.save(Canvas.CLIP_SAVE_FLAG);

    if (mSlideableView != child) { // if main view
        // Clip against the slider; no sense drawing what will immediately be covered,
        // Unless the panel is set to overlay content
        canvas.getClipBounds(mTmpRect);
        if (!mOverlayContent) {
            if (mIsSlidingUp) {
                mTmpRect.bottom = Math.min(mTmpRect.bottom, mSlideableView.getTop());
            } else {
                mTmpRect.top = Math.max(mTmpRect.top, mSlideableView.getBottom());
            }/*from w  ww .  ja va 2s  .c om*/
        }
        if (mClipPanel) {
            canvas.clipRect(mTmpRect);
        }

        result = super.drawChild(canvas, child, drawingTime);

        if (mCoveredFadeColor != 0 && mSlideOffset > 0) {
            final int baseAlpha = (mCoveredFadeColor & 0xff000000) >>> 24;
            final int imag = (int) (baseAlpha * mSlideOffset);
            final int color = imag << 24 | (mCoveredFadeColor & 0xffffff);
            mCoveredFadePaint.setColor(color);
            canvas.drawRect(mTmpRect, mCoveredFadePaint);
        }
    } else {
        result = super.drawChild(canvas, child, drawingTime);
    }

    canvas.restoreToCount(save);

    return result;
}

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From source file:com.android.dialer.widget.OverlappingPaneLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    boolean result;
    final int save = canvas.save(Canvas.CLIP_SAVE_FLAG);

    if (mCanSlide && !lp.slideable && mSlideableView != null) {
        // Clip against the slider; no sense drawing what will immediately be covered.
        canvas.getClipBounds(mTmpRect);

        mTmpRect.bottom = Math.min(mTmpRect.bottom, mSlideableView.getTop());
        canvas.clipRect(mTmpRect);//from  ww w.j av a  2 s.c o m
    }

    if (Build.VERSION.SDK_INT >= 11) { // HC
        result = super.drawChild(canvas, child, drawingTime);
    } else {
        if (child.isDrawingCacheEnabled()) {
            child.setDrawingCacheEnabled(false);
        }
        result = super.drawChild(canvas, child, drawingTime);
    }

    canvas.restoreToCount(save);

    return result;
}

---

From source file:com.akshay.protocol10.asplayer.widget.SlidingUpPanelLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    boolean result;
    final int save = canvas.save(Canvas.CLIP_SAVE_FLAG);

    if (isSlidingEnabled() && mSlideableView != child) {
        // Clip against the slider; no sense drawing what will immediately
        // be covered,
        // Unless the panel is set to overlay content
        if (!mOverlayContent) {
            canvas.getClipBounds(mTmpRect);
            if (mIsSlidingUp) {
                mTmpRect.bottom = Math.min(mTmpRect.bottom, mSlideableView.getTop());
            } else {
                mTmpRect.top = Math.max(mTmpRect.top, mSlideableView.getBottom());
            }//  w  ww  . ja v  a  2 s .  com
            canvas.clipRect(mTmpRect);
        }
    }

    result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(save);

    if (mCoveredFadeColor != 0 && mSlideOffset > 0) {
        final int baseAlpha = (mCoveredFadeColor & 0xff000000) >>> 24;
        final int imag = (int) (baseAlpha * mSlideOffset);
        final int color = imag << 24 | (mCoveredFadeColor & 0xffffff);
        mCoveredFadePaint.setColor(color);
        canvas.drawRect(mTmpRect, mCoveredFadePaint);
    }

    return result;
}

---

From source file:im.ene.lab.design.widget.coverflow.FeatureCoverFlow.java

@Override
protected void dispatchDraw(Canvas canvas) {
    mInvalidated = false; //last invalidate which marked redrawInProgress, caused this
    // dispatchDraw. Clear flag to prevent creating loop

    mReverseOrderIndex = -1;/*from  w w  w.  ja va 2  s.c o m*/

    canvas.getClipBounds(mTempRect);
    mTempRect.top = 0;
    mTempRect.bottom = getHeight();
    canvas.clipRect(mTempRect);

    super.dispatchDraw(canvas);

    if (mScrollToPositionOnNextInvalidate != -1 && mAdapter != null && mAdapter.getCount() > 0) {
        final int lastCenterItemPosition = (mFirstItemPosition + mLastCenterItemIndex) % mAdapter.getCount();
        final int di = lastCenterItemPosition - mScrollToPositionOnNextInvalidate;
        mScrollToPositionOnNextInvalidate = -1;
        if (di != 0) {
            final int dst = (int) (di * mCoverWidth * mSpacing) - mCenterItemOffset;
            scrollBy(-dst, 0);
            shouldRepeat = true;
            postInvalidate();
            return;
        }
    }

    if (mTouchState == TOUCH_STATE_RESTING) {
        if (mAdapter != null) {
            final int lastCenterItemPosition = (mFirstItemPosition + mLastCenterItemIndex)
                    % mAdapter.getCount();
            if (mLastTouchState != TOUCH_STATE_RESTING || mlastCenterItemPosition != lastCenterItemPosition) {
                mLastTouchState = TOUCH_STATE_RESTING;
                mlastCenterItemPosition = lastCenterItemPosition;
                if (mOnScrollPositionListener != null)
                    mOnScrollPositionListener.onScrolledToPosition(lastCenterItemPosition);
            }
        }
    }

    if (mTouchState == TOUCH_STATE_SCROLLING && mLastTouchState != TOUCH_STATE_SCROLLING) {
        mLastTouchState = TOUCH_STATE_SCROLLING;
        if (mOnScrollPositionListener != null)
            mOnScrollPositionListener.onScrolling();
    }
    if (mTouchState == TOUCH_STATE_FLING && mLastTouchState != TOUCH_STATE_FLING) {
        mLastTouchState = TOUCH_STATE_FLING;
        if (mOnScrollPositionListener != null)
            mOnScrollPositionListener.onScrolling();
    }

    //make sure we never stay unaligned after last draw in resting state
    if (mTouchState == TOUCH_STATE_RESTING && mCenterItemOffset != 0) {
        scrollBy(mCenterItemOffset, 0);
        postInvalidate();
    }

    try {
        View v = getChildAt(mLastCenterItemIndex);
        if (v != null)
            v.requestFocus(FOCUS_FORWARD);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:co.codecrunch.musicplayerlite.slidinguppanelhelper.SlidingUpPanelLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    boolean result;
    final int save = canvas.save(Canvas.CLIP_SAVE_FLAG);

    if (mSlideableView != child) { // if main view
        // Clip against the slider; no sense drawing what will immediately
        // be covered,
        // Unless the panel is set to overlay content
        canvas.getClipBounds(mTmpRect);
        if (!mOverlayContent) {
            if (mIsSlidingUp) {
                mTmpRect.bottom = Math.min(mTmpRect.bottom, mSlideableView.getTop());
            } else {
                mTmpRect.top = Math.max(mTmpRect.top, mSlideableView.getBottom());
            }/*from w w  w  . j  a  v  a  2s  .c o  m*/
        }
        if (mClipPanel) {
            canvas.clipRect(mTmpRect);
        }

        result = super.drawChild(canvas, child, drawingTime);

        if (mCoveredFadeColor != 0 && mSlideOffset > 0) {
            final int baseAlpha = (mCoveredFadeColor & 0xff000000) >>> 24;
            final int imag = (int) (baseAlpha * mSlideOffset);
            final int color = imag << 24 | (mCoveredFadeColor & 0xffffff);
            mCoveredFadePaint.setColor(color);
            canvas.drawRect(mTmpRect, mCoveredFadePaint);
        }
    } else {
        result = super.drawChild(canvas, child, drawingTime);
    }

    canvas.restoreToCount(save);

    return result;
}

---

From source file:com.quran.labs.androidquran.widgets.SlidingUpPanelLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    boolean result;
    final int save = canvas.save(Canvas.CLIP_SAVE_FLAG);

    boolean drawScrim = false;

    if (mCanSlide && !lp.slideable && mSlideableView != null) {
        // Clip against the slider; no sense drawing what will immediately be covered,
        // Unless the panel is set to overlay content
        if (!mOverlayContent) {
            canvas.getClipBounds(mTmpRect);
            if (mIsSlidingUp) {
                mTmpRect.bottom = Math.min(mTmpRect.bottom, mSlideableView.getTop());
            } else {
                mTmpRect.top = Math.max(mTmpRect.top, mSlideableView.getBottom());
            }/*from   ww w .j a  va 2s  .c  o m*/
            canvas.clipRect(mTmpRect);
        }
        if (mSlideOffset < 1) {
            drawScrim = true;
        }
    }

    result = super.drawChild(canvas, child, drawingTime);
    canvas.restoreToCount(save);

    if (drawScrim) {
        final int baseAlpha = (mCoveredFadeColor & 0xff000000) >>> 24;
        final int imag = (int) (baseAlpha * (1 - mSlideOffset));
        final int color = imag << 24 | (mCoveredFadeColor & 0xffffff);
        mCoveredFadePaint.setColor(color);
        canvas.drawRect(mTmpRect, mCoveredFadePaint);
    }

    return result;
}

---

From source file:cn.emagsoftware.ui.BugFixedSlidingPaneLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    boolean result;
    final int save = canvas.save(Canvas.CLIP_SAVE_FLAG);

    if (mCanSlide && !lp.slideable && mSlideableView != null) {
        // Clip against the slider; no sense drawing what will immediately be covered.
        canvas.getClipBounds(mTmpRect);
        mTmpRect.right = Math.min(mTmpRect.right, mSlideableView.getLeft());
        canvas.clipRect(mTmpRect);//from   ww  w  .  ja v  a2 s. co  m
    }

    if (Build.VERSION.SDK_INT >= 11) { // HC
        result = super.drawChild(canvas, child, drawingTime);
    } else {
        if (lp.dimWhenOffset && mSlideOffset > 0) {
            if (!child.isDrawingCacheEnabled()) {
                child.setDrawingCacheEnabled(true);
            }
            final Bitmap cache = child.getDrawingCache();
            if (cache != null) {
                canvas.drawBitmap(cache, child.getLeft(), child.getTop(), lp.dimPaint);
                result = false;
            } else {
                Log.e(TAG, "drawChild: child view " + child + " returned null drawing cache");
                result = super.drawChild(canvas, child, drawingTime);
            }
        } else {
            if (child.isDrawingCacheEnabled()) {
                child.setDrawingCacheEnabled(false);
            }
            result = super.drawChild(canvas, child, drawingTime);
        }
    }

    canvas.restoreToCount(save);

    return result;
}

---

From source file:com.waz.zclient.pages.main.conversationpager.SlidingPaneLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    boolean result;
    final int save = canvas.save(Canvas.CLIP_SAVE_FLAG);

    if (canSlide && !lp.slideable && slideableView != null) {
        // Clip against the slider; no sense drawing what will immediately be covered.
        canvas.getClipBounds(tmpRect);
        if (isLayoutRtlSupport()) {
            tmpRect.left = Math.max(tmpRect.left, slideableView.getRight());
        } else {// w  w  w. j ava  2s.  c o  m
            tmpRect.right = Math.min(tmpRect.right, slideableView.getLeft());
        }
        canvas.clipRect(tmpRect);
    }

    if (Build.VERSION.SDK_INT >= 11) { // HC
        result = super.drawChild(canvas, child, drawingTime);
    } else {
        if (lp.dimWhenOffset && slideOffset > 0) {
            if (!child.isDrawingCacheEnabled()) {
                child.setDrawingCacheEnabled(true);
            }
            final Bitmap cache = child.getDrawingCache();
            if (cache != null) {
                canvas.drawBitmap(cache, child.getLeft(), child.getTop(), lp.dimPaint);
                result = false;
            } else {
                Timber.e("drawChild: child view %s returned null drawing cache", child);
                result = super.drawChild(canvas, child, drawingTime);
            }
        } else {
            if (child.isDrawingCacheEnabled()) {
                child.setDrawingCacheEnabled(false);
            }
            result = super.drawChild(canvas, child, drawingTime);
        }
    }

    canvas.restoreToCount(save);

    return result;
}

---

From source file:rp3.widget.SlidingPaneLayout.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    boolean result;
    final int save = canvas.save(Canvas.CLIP_SAVE_FLAG);

    if (mCanSlide && !lp.slideable && mSlideableView != null) {
        // Clip against the slider; no sense drawing what will immediately
        // be covered.
        canvas.getClipBounds(mTmpRect);
        mTmpRect.right = Math.min(mTmpRect.right, mSlideableView.getLeft());
        canvas.clipRect(mTmpRect);/*from  w  w  w  .j  a  v  a2s .c o m*/
    }

    if (Build.VERSION.SDK_INT >= 11) { // HC
        result = super.drawChild(canvas, child, drawingTime);
    } else {
        if (lp.dimWhenOffset && mSlideOffset > 0) {
            if (!child.isDrawingCacheEnabled()) {
                child.setDrawingCacheEnabled(true);
            }
            final Bitmap cache = child.getDrawingCache();
            if (cache != null) {
                canvas.drawBitmap(cache, child.getLeft(), child.getTop(), lp.dimPaint);
                result = false;
            } else {
                Log.e(TAG, "drawChild: child view " + child + " returned null drawing cache");
                result = super.drawChild(canvas, child, drawingTime);
            }
        } else {
            if (child.isDrawingCacheEnabled()) {
                child.setDrawingCacheEnabled(false);
            }
            result = super.drawChild(canvas, child, drawingTime);
        }
    }

    canvas.restoreToCount(save);

    return result;
}

---

From source file:com.example.zhaozhu.practisecustomview.customviewgroup.HSlidingPaneLayout.java

@Override
protected boolean drawChild(final Canvas canvas, final View child, final long drawingTime) {
    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    boolean result;
    final int save = canvas.save(Canvas.CLIP_SAVE_FLAG);

    if (this.mCanSlide && !lp.slideable && (this.mSlideableView != null)) {
        // Clip against the slider; no sense drawing what will immediately
        // be covered.
        canvas.getClipBounds(this.mTmpRect);
        this.mTmpRect.right = Math.min(this.mTmpRect.right, this.mSlideableView.getLeft());
        canvas.clipRect(this.mTmpRect);
    }/*  ww w.  j  a  v a  2s .co m*/

    if (Build.VERSION.SDK_INT >= 11) { // HC
        result = super.drawChild(canvas, child, drawingTime);
    } else {
        if (lp.dimWhenOffset && (this.mSlideOffset > 0)) {
            if (!child.isDrawingCacheEnabled()) {
                child.setDrawingCacheEnabled(true);
            }
            Bitmap cache = child.getDrawingCache();
            if (cache != null && !cache.isRecycled()) {
                canvas.drawBitmap(cache, child.getLeft(), child.getTop(), lp.dimPaint);
                result = false;
            } else {
                Log.e(HSlidingPaneLayout.TAG,
                        "drawChild: child view " + child + " returned null drawing cache");
                result = super.drawChild(canvas, child, drawingTime);
            }
        } else {
            if (child.isDrawingCacheEnabled()) {
                child.setDrawingCacheEnabled(false);
            }
            result = super.drawChild(canvas, child, drawingTime);
        }
    }

    canvas.restoreToCount(save);

    return result;
}

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