Example usage for android.graphics Canvas translate

Introduction

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

Prototype

public void translate(float dx, float dy) 

Source Link

Document

Preconcat the current matrix with the specified translation

Usage

From source file:com.example.sky.test.view.ViewPager.java

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

    final int overScrollMode = getOverScrollMode();
    if (overScrollMode == View.OVER_SCROLL_ALWAYS || (overScrollMode == View.OVER_SCROLL_IF_CONTENT_SCROLLS
            && mAdapter != null && mAdapter.getCount() > 1)) {
        if (!mLeftEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();
            final int width = getWidth();

            canvas.rotate(270);/*from  w  w  w . j av  a  2 s  .  co m*/
            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);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

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

---

From source file:com.hainva.feedlynavigation.FeedlyViewPager.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 (!mTopEdge.isFinished()) {
            final int height = getHeight();
            final int width = getWidth() - getPaddingLeft() - getPaddingRight();

            mTopEdge.setSize(width, height);

            needsInvalidate |= mTopEdge.draw(canvas);
        }//from   www .j av a2  s  .c  om
        if (!mBottomEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight();
            final int width = getWidth() - getPaddingLeft() - getPaddingRight();
            canvas.rotate(180);
            canvas.translate(-width, -(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:com.av.remusic.widget.RoundViewPager.java

@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    boolean needsInvalidate = false;
    boolean isScroll = 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 (!mLeftEdge.isFinished()) {
            final int restoreCount = canvas.save();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();
            final int width = getWidth();

            canvas.rotate(270);/*w w w. j a v a2  s.co m*/
            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);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

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

---

From source file:t3.giftbook.util.FlipViewPager.java

@Override
public void draw(Canvas canvas) {
    if (mOffset == 0) {
        super.draw(canvas);
    }/*from   w w w.  j a v a  2  s  . c om*/

    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 (!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);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

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

    drawFlippingPage(canvas);

}

---

From source file:example.luojing.androidsourceanalysis.ViewPager.java

/**
 * ?????/*  www .  ja v a 2s . c o m*/
 */
@Override
public void draw(Canvas canvas) {
    super.draw(canvas);
    boolean needsInvalidate = false;

    final int overScrollMode = getOverScrollMode();
    if (overScrollMode == View.OVER_SCROLL_ALWAYS || (overScrollMode == View.OVER_SCROLL_IF_CONTENT_SCROLLS
            && mAdapter != null && mAdapter.getCount() > 1)) {
        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);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

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

---

From source file:com.tjych.swip.vertical.DirectionalViewPager.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 (!mStartEdge.isFinished()) {
            final int restoreCount = canvas.save();

            if (mOrientation == HORIZONTAL) {
                final int height = getHeight() - getPaddingTop() - getPaddingBottom();
                final int width = getWidth();
                canvas.rotate(270);//ww  w  . j ava  2  s . c  o  m
                canvas.translate(-height + getPaddingTop(), mFirstOffset * width);
                mStartEdge.setSize(height, width);
            } else {
                final int height = getHeight();
                final int width = getWidth() - getPaddingLeft() - getPaddingRight();
                canvas.translate(getPaddingLeft(), mFirstOffset * height);
                mStartEdge.setSize(width, height);
            }

            needsInvalidate |= mStartEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
        if (!mEndEdge.isFinished()) {
            final int restoreCount = canvas.save();

            if (mOrientation == HORIZONTAL) {
                final int width = getWidth();
                final int height = getHeight() - getPaddingTop() - getPaddingBottom();

                canvas.rotate(90);
                canvas.translate(-getPaddingTop(), -(mLastOffset + 1) * width);
                mEndEdge.setSize(height, width);
            } else {
                final int width = getWidth() - getPaddingLeft() - getPaddingRight();
                final int height = getHeight();

                if (mEndEdgeMatrix == null) {
                    mEndEdgeMatrix = new Matrix();
                    mEndEdgeMatrix.setScale(1f, -1f);
                    mEndEdgeMatrix.postTranslate(0f, (mLastOffset + 1) * height);
                }

                canvas.concat(mEndEdgeMatrix);
                mEndEdge.setSize(width, height);
            }

            needsInvalidate |= mEndEdge.draw(canvas);
            canvas.restoreToCount(restoreCount);
        }
    } else {
        mStartEdge.finish();
        mEndEdge.finish();
    }

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

---

From source file:com.mixiaoxiao.mxxedgeeffect.widget.MxxViewPager.java

@Override
public void draw(Canvas 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 (!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);
            canvas.translate(mLeftEdge.getTranslateDiatance(), 0);

        }/*from  w ww .j  av a2 s .com*/
        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);
            canvas.translate(-mRightEdge.getTranslateDiatance(), 0);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

    super.draw(canvas);

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

---

From source file:com.telerik.examples.primitives.ExampleViewPagerBase.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 (!mLeftEdge.isFinished()) {
            if (this.orientation == LinearLayout.HORIZONTAL) {
                final int restoreCount = canvas.save();
                final int height = getHeight() - getPaddingTop() - getPaddingBottom();
                final int width = getWidth();

                canvas.rotate(270);//  w  w  w.  jav a 2s.  c  o  m
                canvas.translate(-height + getPaddingTop(), mFirstOffset * width);
                mLeftEdge.setSize(height, width);
                needsInvalidate |= mLeftEdge.draw(canvas);
                canvas.restoreToCount(restoreCount);
            } else {
                final int restoreCount = canvas.save();
                final int height = getHeight();
                final int width = getWidth() - getPaddingLeft() - getPaddingRight();
                canvas.translate(getPaddingLeft(), mFirstOffset * height);
                mLeftEdge.setSize(width, height);
                needsInvalidate |= mLeftEdge.draw(canvas);
                canvas.restoreToCount(restoreCount);
            }
        }
        if (!mRightEdge.isFinished()) {
            if (this.orientation == LinearLayout.HORIZONTAL) {
                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);
            } else {
                final int restoreCount = canvas.save();
                final int width = getWidth() - getPaddingLeft() - getPaddingRight();
                final int height = getHeight();

                canvas.rotate(180);
                canvas.translate(-getPaddingLeft() - width, -height);
                mRightEdge.setSize(width, height);
                needsInvalidate |= mRightEdge.draw(canvas);
                canvas.restoreToCount(restoreCount);
            }
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

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

---

From source file:gl.android.widget.viewpager.ViewPagerEx.java

@Override
public void draw(Canvas canvas) {
    try {/* ww w.ja  v  a2 s  .co m*/
        super.draw(canvas);
    } catch (Exception e) {
        //         System.out.println(e.getMessage());
        //FIXME the nullpoint Exception at super.Draw(canvas) in viewPager;
        if (mFirstLayout) {
            Log.e("ViewPagerEx", "line 2305,.draw(Canvas canvas) NullPointException");
        }

    }
    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 (!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);
        }
    } else {
        mLeftEdge.finish();
        mRightEdge.finish();
    }

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

---

From source file:com.klinker.android.launcher.launcher3.Workspace.java

/**
 * Draw the View v into the given Canvas.
 *
 * @param v the view to draw/*from   w ww .  j  a va 2s .  com*/
 * @param destCanvas the canvas to draw on
 * @param padding the horizontal and vertical padding to use when drawing
 */
private static void drawDragView(View v, Canvas destCanvas, int padding) {
    final Rect clipRect = sTempRect;
    v.getDrawingRect(clipRect);

    boolean textVisible = false;

    destCanvas.save();
    if (v instanceof TextView) {
        Drawable d = getTextViewIcon((TextView) v);
        Rect bounds = getDrawableBounds(d);
        clipRect.set(0, 0, bounds.width() + padding, bounds.height() + padding);
        destCanvas.translate(padding / 2 - bounds.left, padding / 2 - bounds.top);
        d.draw(destCanvas);
    } else {
        if (v instanceof FolderIcon) {
            // For FolderIcons the text can bleed into the icon area, and so we need to
            // hide the text completely (which can't be achieved by clipping).
            if (((FolderIcon) v).getTextVisible()) {
                ((FolderIcon) v).setTextVisible(false);
                textVisible = true;
            }
        }
        destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2);
        destCanvas.clipRect(clipRect, Op.REPLACE);
        v.draw(destCanvas);

        // Restore text visibility of FolderIcon if necessary
        if (textVisible) {
            ((FolderIcon) v).setTextVisible(true);
        }
    }
    destCanvas.restore();
}

---

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