Example usage for android.graphics Canvas CLIP_SAVE_FLAG

Introduction

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

Prototype

int CLIP_SAVE_FLAG

To view the source code for android.graphics Canvas CLIP_SAVE_FLAG.

Click Source Link

Document

Restore the current clip when restore() is called.

Usage

From source file:com.android.launcher3.BubbleTextView.java

@Override
public void draw(Canvas canvas) {
    if (!mCustomShadowsEnabled) {
        super.draw(canvas);
        return;// w  ww.j a va  2s .c  o m
    }

    final Drawable background = mBackground;
    if (background != null) {
        final int scrollX = getScrollX();
        final int scrollY = getScrollY();

        if (mBackgroundSizeChanged) {
            background.setBounds(0, 0, getRight() - getLeft(), getBottom() - getTop());
            mBackgroundSizeChanged = false;
        }

        if ((scrollX | scrollY) == 0) {
            background.draw(canvas);
        } else {
            canvas.translate(scrollX, scrollY);
            background.draw(canvas);
            canvas.translate(-scrollX, -scrollY);
        }
    }

    // If text is transparent, don't draw any shadow
    if (getCurrentTextColor() == ContextCompat.getColor(getContext(), android.R.color.transparent)) {
        getPaint().clearShadowLayer();
        super.draw(canvas);
        return;
    }

    // We enhance the shadow by drawing the shadow twice
    float density = getResources().getDisplayMetrics().density;
    getPaint().setShadowLayer(density * AMBIENT_SHADOW_RADIUS, 0, 0, AMBIENT_SHADOW_COLOR);
    super.draw(canvas);
    canvas.save(Canvas.CLIP_SAVE_FLAG);
    canvas.clipRect(getScrollX(), getScrollY() + getExtendedPaddingTop(), getScrollX() + getWidth(),
            getScrollY() + getHeight(), Region.Op.INTERSECT);
    getPaint().setShadowLayer(density * KEY_SHADOW_RADIUS, 0.0f, density * KEY_SHADOW_OFFSET, KEY_SHADOW_COLOR);
    super.draw(canvas);
    canvas.restore();
}

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From source file:com.ylw.split.splitview.view.SplitView.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);
    //            if (isLayoutRtlSupport()) {
    //                mTmpRect.left = Math.max(mTmpRect.left, mSlideableView.getRight());
    //            } else {
    //                mTmpRect.right = Math.min(mTmpRect.right, mSlideableView.getLeft());
    //            }
    //            canvas.clipRect(mTmpRect);
    //        }/*from  w w w. j av a 2  s . c  om*/

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

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

    canvas.restoreToCount(save);

    return result;
}

---

From source file:com.appeaser.sublimepickerlibrary.timepicker.RadialTimePickerView.java

private void drawMinutes(Canvas canvas, float alphaMod) {
    final int minutesAlpha = (int) (mAlpha[MINUTES].getValue() * alphaMod + 0.5f);
    if (minutesAlpha > 0) {
        // Draw the minute selector under the elements.
        drawSelector(canvas, MINUTES, mSelectorPath, alphaMod);

        // Exclude the selector region, then draw minutes with no
        // activated states.
        canvas.save(Canvas.CLIP_SAVE_FLAG);
        canvas.clipPath(mSelectorPath, Region.Op.DIFFERENCE);
        drawTextElements(canvas, mTextSize[MINUTES], mTypeface, mTextColor[MINUTES], mMinutesText,
                mOuterTextX[MINUTES], mOuterTextY[MINUTES], mPaint[MINUTES], minutesAlpha, false, 0, false);
        canvas.restore();//from   w ww.  j av  a 2 s .  c o  m

        // Intersect the selector region, then draw minutes with only
        // activated states.
        canvas.save(Canvas.CLIP_SAVE_FLAG);
        canvas.clipPath(mSelectorPath, Region.Op.INTERSECT);
        drawTextElements(canvas, mTextSize[MINUTES], mTypeface, mTextColor[MINUTES], mMinutesText,
                mOuterTextX[MINUTES], mOuterTextY[MINUTES], mPaint[MINUTES], minutesAlpha, true,
                mSelectionDegrees[MINUTES], true);
        canvas.restore();
    }
}

---

From source file:ca.mymenuapp.ui.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.
        canvas.getClipBounds(mTmpRect);// w w w  .  j  av  a 2  s .  c  o  m
        if (mIsSlidingUp) {
            mTmpRect.bottom = Math.min(mTmpRect.bottom, mSlideableView.getTop());
        } else {
            mTmpRect.top = Math.max(mTmpRect.top, mSlideableView.getBottom());
        }
        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: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);//from   w w w .  j av  a2 s .  c  o  m

        mTmpRect.bottom = Math.min(mTmpRect.bottom, mSlideableView.getTop());
        canvas.clipRect(mTmpRect);
    }

    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.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  w  w w.j  av a 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: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 w w. jav a 2s  .co  m*/
            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: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);/*  ww w. j  a v a 2s  . c  o  m*/
        if (!mOverlayContent) {
            if (mIsSlidingUp) {
                mTmpRect.bottom = Math.min(mTmpRect.bottom, mSlideableView.getTop());
            } else {
                mTmpRect.top = Math.max(mTmpRect.top, mSlideableView.getBottom());
            }
        }
        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: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);//from  w  ww.j  a v  a2 s. c  o  m
        if (!mOverlayContent) {
            if (mIsSlidingUp) {
                mTmpRect.bottom = Math.min(mTmpRect.bottom, mSlideableView.getTop());
            } else {
                mTmpRect.top = Math.max(mTmpRect.top, mSlideableView.getBottom());
            }
        }
        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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