Example usage for android.graphics Canvas CLIP_TO_LAYER_SAVE_FLAG

Introduction

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

Prototype

int CLIP_TO_LAYER_SAVE_FLAG

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

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Document

Clip drawing to the bounds of the offscreen layer, omit at your own peril.

Usage

From source file:ezy.ui.view.ViewPagerIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    int flags = Canvas.MATRIX_SAVE_FLAG | Canvas.CLIP_SAVE_FLAG | Canvas.HAS_ALPHA_LAYER_SAVE_FLAG
            | Canvas.FULL_COLOR_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG;
    int sc = canvas.saveLayer(0, 0, getWidth(), getHeight(), null, flags);

    int wg = mItemWidth + mItemGap;
    int x = (getWidth() - mWidth) / 2;
    int y = (getHeight() - mItemHeight) / 2;

    mItemDrawable.setBounds(0, 0, mItemWidth, mItemHeight);
    mItemDrawableSelected.setBounds(0, 0, mItemWidth, mItemHeight);

    for (int i = 0; i < mItemCount; i++) {
        canvas.save();// ww w.ja va 2s. co m
        canvas.translate(x + i * wg, y);
        mItemDrawable.draw(canvas);
        canvas.restore();
    }

    canvas.save();
    canvas.translate(x + (mPosition + mPositionOffset) * wg, y);
    mItemDrawableSelected.draw(canvas);
    canvas.restore();

    canvas.restoreToCount(sc);
}

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From source file:com.ceabie.EffectiveLib.EffectImageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (mEffectDrawable == null || mEffectDrawable.getOpacity() == PixelFormat.TRANSPARENT // ?
            || getDrawable() == null) {// w  ww. j  a  v  a2  s .  c  om
        super.onDraw(canvas);
        return;
    }

    if (mRectF == null) {
        mRectF = new RectF();
    }

    mRectF.left = 0;
    mRectF.top = 0;
    mRectF.right = getMeasuredWidth();
    mRectF.bottom = getMeasuredHeight();

    int saveBottom = 0;
    //
    if (!mHardware) {
        saveBottom = canvas.saveLayer(mRectF, null,
                Canvas.CLIP_TO_LAYER_SAVE_FLAG | Canvas.HAS_ALPHA_LAYER_SAVE_FLAG);
    }

    super.onDraw(canvas);

    mPaint.setXfermode(mXfermodeDstIn);
    int saveCount = canvas.saveLayer(mRectF, mPaint, Canvas.CLIP_TO_LAYER_SAVE_FLAG);
    mPaint.setXfermode(null);

    mEffectDrawable.draw(canvas);

    canvas.restoreToCount(saveCount);

    if (!mHardware) {
        canvas.restoreToCount(saveBottom);
    }
}

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From source file:fr.francetv.zoom.share.loader.ZoomLoaderView.java

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

    int sc = canvas.saveLayer(0, 0, mViewWidthPx, mViewHeightPx, null,
            Canvas.MATRIX_SAVE_FLAG | Canvas.CLIP_SAVE_FLAG | Canvas.HAS_ALPHA_LAYER_SAVE_FLAG
                    | Canvas.FULL_COLOR_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG);

    int mAnimationInValue = (int) mAnimationIn.getAnimatedValue();
    int mAnimationOutValue = mAnimationOut.isRunning() ? (int) mAnimationOut.getAnimatedValue() : 0;

    canvas.drawPaint(mBackgroundPaint);/*from  w  w  w .j a  v a 2s. c  om*/
    canvas.drawArc(mLeftCircleArc, LEFT_START_DEGRE - mAnimationOutValue,
            -mAnimationInValue + mAnimationOutValue, true, mAnimPaint);
    canvas.drawArc(mRightCircleArc, RIGHT_START_DEGRE - mAnimationOutValue,
            -mAnimationInValue + mAnimationOutValue, true, mAnimPaint);
    canvas.drawBitmap(mMaskBitmap, 0, 0, mMaskPaint);
    canvas.restoreToCount(sc);
}

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From source file:com.gj.administrator.gjerp.view.CircleIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    Log.e("CircleIndicator", "onDraw()");
    super.onDraw(canvas);
    int sc = canvas.saveLayer(0, 0, getWidth(), getHeight(), null,
            Canvas.MATRIX_SAVE_FLAG | Canvas.CLIP_SAVE_FLAG | Canvas.HAS_ALPHA_LAYER_SAVE_FLAG
                    | Canvas.FULL_COLOR_LAYER_SAVE_FLAG | Canvas.CLIP_TO_LAYER_SAVE_FLAG);
    for (ShapeHolder item : tabItems) {
        canvas.save();//from w w w  .  j  a  va2 s .  c  om
        canvas.translate(item.getX(), item.getY());
        item.getShape().draw(canvas);
        canvas.restore();
    }

    if (movingItem != null) {
        canvas.save();
        canvas.translate(movingItem.getX(), movingItem.getY());
        movingItem.getShape().draw(canvas);
        canvas.restore();
    }
    canvas.restoreToCount(sc);
}

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