Example usage for android.graphics Canvas rotate

List of usage examples for android.graphics Canvas rotate

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  6. rotate

Introduction

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

Prototype

public void rotate(float degrees)

Source Link

Document

Preconcat the current matrix with the specified rotation.

Usage

From source file:android.improving.utils.views.cardsview.OrientedViewPager.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    boolean needsInvalidate = false;

    final int overScrollMode = ViewCompat.getOverScrollMode(this);
    if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS
            || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && mAdapter != null
                    && mAdapter.getCount() > 1)) {
        if (mOrientation == Orientation.VERTICAL) {
            if (!mTopLeftEdge.isFinished()) {
                final int restoreCount = canvas.save();
                final int height = getHeight();
                final int width = getWidth() - getPaddingLeft() - getPaddingRight();

                canvas.translate(getPaddingLeft(), mFirstOffset * height);
                mTopLeftEdge.setSize(width, height);
                needsInvalidate |= mTopLeftEdge.draw(canvas);
                canvas.restoreToCount(restoreCount);
            }/*from  w  w  w . j  av  a2 s.  c  o  m*/
            if (!mRightBottomEdge.isFinished()) {
                final int restoreCount = canvas.save();
                final int height = getHeight();
                final int width = getWidth() - getPaddingLeft() - getPaddingRight();

                canvas.rotate(180);
                canvas.translate(-width - getPaddingLeft(), -(mLastOffset + 1) * height);
                mRightBottomEdge.setSize(width, height);
                needsInvalidate |= mRightBottomEdge.draw(canvas);
                canvas.restoreToCount(restoreCount);
            }
        } else {
            if (!mTopLeftEdge.isFinished()) {
                final int restoreCount = canvas.save();
                final int height = getHeight() - getPaddingTop() - getPaddingBottom();
                final int width = getWidth();

                canvas.rotate(270);
                canvas.translate(-height + getPaddingTop(), mFirstOffset * width);
                mTopLeftEdge.setSize(height, width);
                needsInvalidate |= mTopLeftEdge.draw(canvas);
                canvas.restoreToCount(restoreCount);
            }
            if (!mRightBottomEdge.isFinished()) {
                final int restoreCount = canvas.save();
                final int width = getWidth();
                final int height = getHeight() - getPaddingTop() - getPaddingBottom();

                canvas.rotate(90);
                canvas.translate(-getPaddingTop(), -(mLastOffset + 1) * width);
                mRightBottomEdge.setSize(height, width);
                needsInvalidate |= mRightBottomEdge.draw(canvas);
                canvas.restoreToCount(restoreCount);
            }
        }
    } else {
        mTopLeftEdge.finish();
        mRightBottomEdge.finish();
    }

    if (needsInvalidate) {
        // Keep animating
        ViewCompat.postInvalidateOnAnimation(this);
    }
}

From source file:com.brantapps.viewpagerindicator.vertical.VerticalViewPager.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    boolean needsInvalidate = false;

    final int overScrollMode = ViewCompat.getOverScrollMode(this);
    if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS
            || (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && mAdapter != null
                    && mAdapter.getCount() > 1)) {
        // BrantApps Change: Various, including the rotation and translation of the edges, padding applied to width not height
        // BrantApps Change: Was:
        /*/*  w  w w.  j a  v  a 2 s.c  o m*/
        if (!mLeftEdge.isFinished()) {
        final int restoreCount = canvas.save();
        final int height = getHeight() - getPaddingTop() - getPaddingBottom();
        final int width = getWidth();
                
        canvas.rotate(270);
        canvas.translate(-height + getPaddingTop(), mFirstOffset * width);
        mLeftEdge.setSize(height, width);
        needsInvalidate |= mLeftEdge.draw(canvas);
        canvas.restoreToCount(restoreCount);
        }
        if (!mRightEdge.isFinished()) {
        final int restoreCount = canvas.save();
        final int width = getWidth();
        final int height = getHeight() - getPaddingTop() - getPaddingBottom();
                
        canvas.rotate(90);
        canvas.translate(-getPaddingTop(), -(mLastOffset + 1) * width);
        mRightEdge.setSize(height, width);
        needsInvalidate |= mRightEdge.draw(canvas);
        canvas.restoreToCount(restoreCount);
        }
         */
        if (!mTopEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int width = getWidth() - getPaddingLeft() - getPaddingRight();
            final int height = getHeight();

            canvas.translate(-getPaddingLeft(), mFirstOffset * height);
            mTopEdge.setSize(width, height);
            needsInvalidate |= mTopEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
        if (!mBottomEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int width = getWidth() - getPaddingLeft() - getPaddingRight();
            final int height = getHeight();

            canvas.rotate(180);
            canvas.translate(-width + getPaddingLeft(), -(mLastOffset + 1) * height);
            mBottomEdge.setSize(width, height);
            needsInvalidate |= mBottomEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
    } else {
        mTopEdge.finish();
        mBottomEdge.finish();
    }

    if (needsInvalidate) {
        // Keep animating
        ViewCompat.postInvalidateOnAnimation(this);
    }
}

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

@Override
public void draw(Canvas c) {
    super.draw(c);

    final int count = mItemDecorations.size();
    for (int i = 0; i < count; i++) {
        mItemDecorations.get(i).onDrawOver(c, this);
    }//from  w  ww.  j  av  a 2  s  .  c  o  m

    boolean needsInvalidate = false;
    if (mLeftGlow != null && !mLeftGlow.isFinished()) {
        final int restore = c.save();
        c.rotate(270);
        c.translate(-getHeight() + getPaddingTop(), 0);
        needsInvalidate = mLeftGlow != null && mLeftGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mTopGlow != null && !mTopGlow.isFinished()) {
        c.translate(getPaddingLeft(), getPaddingTop());
        needsInvalidate |= mTopGlow != null && mTopGlow.draw(c);
    }
    if (mRightGlow != null && !mRightGlow.isFinished()) {
        final int restore = c.save();
        final int width = getWidth();

        c.rotate(90);
        c.translate(-getPaddingTop(), -width);
        needsInvalidate |= mRightGlow != null && mRightGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mBottomGlow != null && !mBottomGlow.isFinished()) {
        final int restore = c.save();
        c.rotate(180);
        c.translate(-getWidth() + getPaddingLeft(), -getHeight() + getPaddingTop());
        needsInvalidate |= mBottomGlow != null && mBottomGlow.draw(c);
        c.restoreToCount(restore);
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }
}

From source file:com.aliasapps.seq.scroller.TwoWayView.java

private boolean drawStartEdge(Canvas canvas) {
    if (mStartEdge.isFinished()) {
        return false;
    }//from  w w  w.jav  a  2 s .co  m

    if (mIsVertical) {
        return mStartEdge.draw(canvas);
    }

    final int restoreCount = canvas.save();
    final int height = getHeight() - getPaddingTop() - getPaddingBottom();

    canvas.translate(0, height);
    canvas.rotate(270);

    final boolean needsInvalidate = mStartEdge.draw(canvas);
    canvas.restoreToCount(restoreCount);
    return needsInvalidate;
}

From source file:com.artifex.mupdflib.TwoWayView.java

private boolean drawStartEdge(Canvas canvas) {
    if (mStartEdge.isFinished()) {
        return false;
    }//from   w  w w.  j a va2s  .com

    if (mIsVertical) {
        return mStartEdge.draw(canvas);
    }

    final int restoreCount = canvas.save();
    final int height = getHeight();

    canvas.translate(0, height);
    canvas.rotate(270);

    final boolean needsInvalidate = mStartEdge.draw(canvas);
    canvas.restoreToCount(restoreCount);
    return needsInvalidate;
}

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

@Override
public void draw(Canvas c) {
    super.draw(c);

    final int count = mItemDecorations.size();
    for (int i = 0; i < count; i++) {
        mItemDecorations.get(i).onDrawOver(c, this, mState);
    }/* w ww  . ja v a2  s.  c  o  m*/
    // TODO If padding is not 0 and chilChildrenToPadding is false, to draw glows properly, we
    // need find children closest to edges. Not sure if it is worth the effort.
    boolean needsInvalidate = false;
    if (mLeftGlow != null && !mLeftGlow.isFinished()) {
        final int restore = c.save();
        final int padding = mClipToPadding ? getPaddingBottom() : 0;
        c.rotate(270);
        c.translate(-getHeight() + padding, 0);
        needsInvalidate = mLeftGlow != null && mLeftGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mTopGlow != null && !mTopGlow.isFinished()) {
        final int restore = c.save();
        if (mClipToPadding) {
            c.translate(getPaddingLeft(), getPaddingTop());
        }
        needsInvalidate |= mTopGlow != null && mTopGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mRightGlow != null && !mRightGlow.isFinished()) {
        final int restore = c.save();
        final int width = getWidth();
        final int padding = mClipToPadding ? getPaddingTop() : 0;
        c.rotate(90);
        c.translate(-padding, -width);
        needsInvalidate |= mRightGlow != null && mRightGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mBottomGlow != null && !mBottomGlow.isFinished()) {
        final int restore = c.save();
        c.rotate(180);
        if (mClipToPadding) {
            c.translate(-getWidth() + getPaddingRight(), -getHeight() + getPaddingBottom());
        } else {
            c.translate(-getWidth(), -getHeight());
        }
        needsInvalidate |= mBottomGlow != null && mBottomGlow.draw(c);
        c.restoreToCount(restore);
    }

    // If some views are animating, ItemDecorators are likely to move/change with them.
    // Invalidate RecyclerViewEx to re-draw decorators. This is still efficient because children's
    // display lists are not invalidated.
    if (!needsInvalidate && mItemAnimator != null && mItemDecorations.size() > 0 && mItemAnimator.isRunning()) {
        needsInvalidate = true;
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }
}

From source file:cn.ismartv.recyclerview.widget.RecyclerView.java

@Override
public void draw(Canvas c) {
    super.draw(c);

    final int count = mItemDecorations.size();
    for (int i = 0; i < count; i++) {
        mItemDecorations.get(i).onDrawOver(c, this, mState);
    }//w w  w.  j a  v a2 s . c  om
    // TODO If padding is not 0 and chilChildrenToPadding is false, to draw glows properly, we
    // need find children closest to edges. Not sure if it is worth the effort.
    boolean needsInvalidate = false;
    if (mLeftGlow != null && !mLeftGlow.isFinished()) {
        final int restore = c.save();
        final int padding = mClipToPadding ? getPaddingBottom() : 0;
        c.rotate(270);
        c.translate(-getHeight() + padding, 0);
        needsInvalidate = mLeftGlow != null && mLeftGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mTopGlow != null && !mTopGlow.isFinished()) {
        final int restore = c.save();
        if (mClipToPadding) {
            c.translate(getPaddingLeft(), getPaddingTop());
        }
        needsInvalidate |= mTopGlow != null && mTopGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mRightGlow != null && !mRightGlow.isFinished()) {
        final int restore = c.save();
        final int width = getWidth();
        final int padding = mClipToPadding ? getPaddingTop() : 0;
        c.rotate(90);
        c.translate(-padding, -width);
        needsInvalidate |= mRightGlow != null && mRightGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mBottomGlow != null && !mBottomGlow.isFinished()) {
        final int restore = c.save();
        c.rotate(180);
        if (mClipToPadding) {
            c.translate(-getWidth() + getPaddingRight(), -getHeight() + getPaddingBottom());
        } else {
            c.translate(-getWidth(), -getHeight());
        }
        needsInvalidate |= mBottomGlow != null && mBottomGlow.draw(c);
        c.restoreToCount(restore);
    }

    // If some views are animating, ItemDecorators are likely to move/change with them.
    // Invalidate RecyclerView to re-draw decorators. This is still efficient because children's
    // display lists are not invalidated.
    if (!needsInvalidate && mItemAnimator != null && mItemDecorations.size() > 0 && mItemAnimator.isRunning()) {
        needsInvalidate = true;
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }
}

From source file:com.b44t.messenger.support.widget.RecyclerView.java

@Override
public void draw(Canvas c) {
    super.draw(c);

    final int count = mItemDecorations.size();
    for (int i = 0; i < count; i++) {
        mItemDecorations.get(i).onDrawOver(c, this, mState);
    }/*from   w w w.ja  va  2  s.  com*/
    // TODO If padding is not 0 and chilChildrenToPadding is false, to draw glows properly, we
    // need find children closest to edges. Not sure if it is worth the effort.
    boolean needsInvalidate = false;
    if (mLeftGlow != null && !mLeftGlow.isFinished()) {
        final int restore = c.save();
        final int padding = mClipToPadding ? getPaddingBottom() : 0;
        c.rotate(270);
        c.translate(-getHeight() + padding, 0);
        needsInvalidate = mLeftGlow != null && mLeftGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mTopGlow != null && !mTopGlow.isFinished()) {
        final int restore = c.save();
        if (mClipToPadding) {
            c.translate(getPaddingLeft(), getPaddingTop());
        }
        c.translate(0, topGlowOffset);
        needsInvalidate |= mTopGlow != null && mTopGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mRightGlow != null && !mRightGlow.isFinished()) {
        final int restore = c.save();
        final int width = getWidth();
        final int padding = mClipToPadding ? getPaddingTop() : 0;
        c.rotate(90);
        c.translate(-padding, -width);
        needsInvalidate |= mRightGlow != null && mRightGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mBottomGlow != null && !mBottomGlow.isFinished()) {
        final int restore = c.save();
        c.rotate(180);
        if (mClipToPadding) {
            c.translate(-getWidth() + getPaddingRight(), -getHeight() + getPaddingBottom());
        } else {
            c.translate(-getWidth(), -getHeight());
        }
        needsInvalidate |= mBottomGlow != null && mBottomGlow.draw(c);
        c.restoreToCount(restore);
    }

    // If some views are animating, ItemDecorators are likely to move/change with them.
    // Invalidate RecyclerView to re-draw decorators. This is still efficient because children's
    // display lists are not invalidated.
    if (!needsInvalidate && mItemAnimator != null && mItemDecorations.size() > 0 && mItemAnimator.isRunning()) {
        needsInvalidate = true;
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }
}

From source file:android.support.v71.widget.RecyclerView.java

@Override
public void draw(Canvas c) {
    super.draw(c);
    //  //from  w w w.j a  v a  2  s  .c  om
    final int count = mItemDecorations.size();
    for (int i = 0; i < count; i++) {
        mItemDecorations.get(i).onDrawOver(c, this, mState);
    }
    // TODO If padding is not 0 and chilChildrenToPadding is false, to draw glows properly, we
    // need find children closest to edges. Not sure if it is worth the effort.
    boolean needsInvalidate = false;
    // ?   
    if (mLeftGlow != null && !mLeftGlow.isFinished()) {
        final int restore = c.save();
        final int padding = mClipToPadding ? getPaddingBottom() : 0;
        c.rotate(270);
        c.translate(-getHeight() + padding, 0);
        needsInvalidate = mLeftGlow != null && mLeftGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mTopGlow != null && !mTopGlow.isFinished()) {
        final int restore = c.save();
        if (mClipToPadding) {
            c.translate(getPaddingLeft(), getPaddingTop());
        }
        needsInvalidate |= mTopGlow != null && mTopGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mRightGlow != null && !mRightGlow.isFinished()) {
        final int restore = c.save();
        final int width = getWidth();
        final int padding = mClipToPadding ? getPaddingTop() : 0;
        c.rotate(90);
        c.translate(-padding, -width);
        needsInvalidate |= mRightGlow != null && mRightGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mBottomGlow != null && !mBottomGlow.isFinished()) {
        final int restore = c.save();
        c.rotate(180);
        if (mClipToPadding) {
            c.translate(-getWidth() + getPaddingRight(), -getHeight() + getPaddingBottom());
        } else {
            c.translate(-getWidth(), -getHeight());
        }
        needsInvalidate |= mBottomGlow != null && mBottomGlow.draw(c);
        c.restoreToCount(restore);
    }

    // If some views are animating, ItemDecorators are likely to move/change with them.
    // Invalidate RecyclerView to re-draw decorators. This is still efficient because children's
    // display lists are not invalidated.
    //  VIew , Item   ??, ??  ?
    if (!needsInvalidate && mItemAnimator != null && mItemDecorations.size() > 0 && mItemAnimator.isRunning()) {
        needsInvalidate = true;
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }
}

From source file:cn.ismartv.tvrecyclerview.widget.RecyclerView.java

@Override
public void draw(Canvas c) {
    super.draw(c);

    final int count = mItemDecorations.size();
    for (int i = 0; i < count; i++) {
        mItemDecorations.get(i).onDrawOver(c, this, mState);
    }//from   ww w.  j  a va  2  s . c o  m
    // TODO If padding is not 0 and clipChildrenToPadding is false, to draw glows properly, we
    // need find children closest to edges. Not sure if it is worth the effort.
    boolean needsInvalidate = false;
    if (mLeftGlow != null && !mLeftGlow.isFinished()) {
        final int restore = c.save();
        final int padding = mClipToPadding ? getPaddingBottom() : 0;
        c.rotate(270);
        c.translate(-getHeight() + padding, 0);
        needsInvalidate = mLeftGlow != null && mLeftGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mTopGlow != null && !mTopGlow.isFinished()) {
        final int restore = c.save();
        if (mClipToPadding) {
            c.translate(getPaddingLeft(), getPaddingTop());
        }
        needsInvalidate |= mTopGlow != null && mTopGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mRightGlow != null && !mRightGlow.isFinished()) {
        final int restore = c.save();
        final int width = getWidth();
        final int padding = mClipToPadding ? getPaddingTop() : 0;
        c.rotate(90);
        c.translate(-padding, -width);
        needsInvalidate |= mRightGlow != null && mRightGlow.draw(c);
        c.restoreToCount(restore);
    }
    if (mBottomGlow != null && !mBottomGlow.isFinished()) {
        final int restore = c.save();
        c.rotate(180);
        if (mClipToPadding) {
            c.translate(-getWidth() + getPaddingRight(), -getHeight() + getPaddingBottom());
        } else {
            c.translate(-getWidth(), -getHeight());
        }
        needsInvalidate |= mBottomGlow != null && mBottomGlow.draw(c);
        c.restoreToCount(restore);
    }

    // If some views are animating, ItemDecorators are likely to move/change with them.
    // Invalidate RecyclerView to re-draw decorators. This is still efficient because children's
    // display lists are not invalidated.
    if (!needsInvalidate && mItemAnimator != null && mItemDecorations.size() > 0 && mItemAnimator.isRunning()) {
        needsInvalidate = true;
    }

    if (needsInvalidate) {
        ViewCompat.postInvalidateOnAnimation(this);
    }
}