Example usage for android.graphics Canvas restore

Introduction

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

Prototype

public void restore() 

Source Link

Document

This call balances a previous call to save(), and is used to remove all modifications to the matrix/clip state since the last save call.

Usage

From source file:com.ickphum.android.isoview.IsoCanvas.java

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

    canvas.translate(-mOriginX, -mOriginY);

    for (int x = 0; x < 100; x++) {
        for (int y = 0; y < 100; y++) {
            canvas.save();/*from  w  w w .  j av  a 2s  .  c o m*/
            canvas.translate(-x * 7, -y * 7);
            canvas.drawPath(mPaths[0], mPaints[0]);
            //canvas.drawRect(0.0f, 0.0f, 5.0f, 5.0f, mPaints[0]);
            canvas.restore();
        }
    }

    canvas.drawLine(mContentRect.left, mContentRect.top, mContentRect.right, mContentRect.bottom,
            mBackgroundLinePaint);
    canvas.drawLine(mContentRect.left, mContentRect.bottom, mContentRect.right, mContentRect.top,
            mBackgroundLinePaint);

    for (int x = -1000; x < 1000; x += 200) {
        for (int y = -1000; y < 1000; y += 200) {
            canvas.drawText(x + "," + y, x, y, mBackgroundLinePaint);
        }
    }
}

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From source file:com.yanzhenjie.durban.view.OverlayView.java

/**
 * This method draws dimmed area around the crop bounds.
 *
 * @param canvas - valid canvas object// ww  w  .  j  a v a 2  s. c om
 */
protected void drawDimmedLayer(@NonNull Canvas canvas) {
    canvas.save();
    if (mCircleDimmedLayer)
        canvas.clipPath(mCircularPath, Region.Op.DIFFERENCE);
    else
        canvas.clipRect(mCropViewRect, Region.Op.DIFFERENCE);
    canvas.drawColor(mDimmedColor);
    canvas.restore();

    if (mCircleDimmedLayer) { // Draw 1px stroke to fix antialias
        canvas.drawCircle(mCropViewRect.centerX(), mCropViewRect.centerY(),
                Math.min(mCropViewRect.width(), mCropViewRect.height()) / 2.f, mDimmedStrokePaint);
    }
}

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From source file:com.example.waitou.rxjava.LoadingView.java

@Override
protected void onDraw(Canvas canvas) {
    if (!mIsAnimatorCancel) {
        final Rect bounds = getBounds();
        final int saveCount = canvas.save();
        canvas.rotate(mRotation * 360, bounds.exactCenterX(), bounds.exactCenterY());
        drawRing(canvas, bounds);/*from w  w  w . j  a v  a  2s  . c  o m*/
        canvas.restoreToCount(saveCount);
    } else {
        canvas.restore();
    }
}

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From source file:org.telegram.ui.Cells.SharedLinkCell.java

@Override
protected void onDraw(Canvas canvas) {
    if (titleLayout != null) {
        canvas.save();/*ww w. j a  v a 2 s.c o  m*/
        canvas.translate(AndroidUtilities.dp(LocaleController.isRTL ? 8 : AndroidUtilities.leftBaseline),
                titleY);
        titleLayout.draw(canvas);
        canvas.restore();
    }

    if (descriptionLayout != null) {
        descriptionTextPaint.setColor(TEXT_COLOR);
        canvas.save();
        canvas.translate(AndroidUtilities.dp(LocaleController.isRTL ? 8 : AndroidUtilities.leftBaseline),
                descriptionY);
        descriptionLayout.draw(canvas);
        canvas.restore();
    }

    if (descriptionLayout2 != null) {
        descriptionTextPaint.setColor(TEXT_COLOR);
        canvas.save();
        canvas.translate(AndroidUtilities.dp(LocaleController.isRTL ? 8 : AndroidUtilities.leftBaseline),
                description2Y);
        descriptionLayout2.draw(canvas);
        canvas.restore();
    }

    if (!linkLayout.isEmpty()) {
        descriptionTextPaint.setColor(Theme.MSG_LINK_TEXT_COLOR);
        int offset = 0;
        for (int a = 0; a < linkLayout.size(); a++) {
            StaticLayout layout = linkLayout.get(a);
            if (layout.getLineCount() > 0) {
                canvas.save();
                canvas.translate(
                        AndroidUtilities.dp(LocaleController.isRTL ? 8 : AndroidUtilities.leftBaseline),
                        linkY + offset);
                if (pressedLink == a) {
                    canvas.drawPath(urlPath, urlPaint);
                }
                layout.draw(canvas);
                canvas.restore();
                offset += layout.getLineBottom(layout.getLineCount() - 1);
            }
        }
    }

    letterDrawable.draw(canvas);
    if (drawLinkImageView) {
        linkImageView.draw(canvas);
    }

    if (needDivider) {
        if (LocaleController.isRTL) {
            canvas.drawLine(0, getMeasuredHeight() - 1,
                    getMeasuredWidth() - AndroidUtilities.dp(AndroidUtilities.leftBaseline),
                    getMeasuredHeight() - 1, paint);
        } else {
            canvas.drawLine(AndroidUtilities.dp(AndroidUtilities.leftBaseline), getMeasuredHeight() - 1,
                    getMeasuredWidth(), getMeasuredHeight() - 1, paint);
        }
    }
}

---

From source file:com.byagowi.persiancalendar.view.QiblaCompassView.java

public void drawQibla(Canvas canvas) {

    canvas.rotate((float) qiblaInfo.getHeading() - 360, px, py);
    qiblaPaint.reset();/*from w ww .j  a v  a  2 s.co  m*/
    qiblaPaint.setColor(Color.GREEN);
    qiblaPaint.setStyle(Paint.Style.FILL_AND_STROKE);
    qiblaPaint.setPathEffect(dashPath);
    qiblaPaint.setStrokeWidth(5.5f);

    canvas.drawLine(px, py - Radius, px, py + Radius, qiblaPaint);
    qiblaPaint.setPathEffect(null);
    canvas.drawBitmap(kaaba, px - kaaba.getWidth() / 2, py - Radius - kaaba.getHeight() / 2, qiblaPaint);
    canvas.restore();

}

---

From source file:com.beijing.fun.view.refreshLayout.BGAStickinessRefreshView.java

@Override
public void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    mPath.reset();//from  w w w  . jav  a 2  s  .com

    mTopBound.round(mRotateDrawableBound);
    mRotateDrawable.setBounds(mRotateDrawableBound);
    if (mIsRotating) {
        mPath.addOval(mTopBound, Path.Direction.CW);
        canvas.drawPath(mPath, mPaint);
        canvas.save();
        canvas.rotate(mCurrentDegree, mRotateDrawable.getBounds().centerX(),
                mRotateDrawable.getBounds().centerY());
        mRotateDrawable.draw(canvas);
        canvas.restore();
    } else {
        // drawable
        mPath.moveTo(mTopBound.left, mTopBound.top + mTopSize / 2);
        // drawable?
        mPath.arcTo(mTopBound, 180, 180);
        // ?
        //            mPath.quadTo(mTopBound.right - mTopSize / 8, mTopBound.bottom, mBottomBound.right, mBottomBound.bottom - mBottomBound.height() / 2);

        // mCurrentBottomHeight   0  mMaxBottomHeight
        // scale                  0.2  1
        float scale = Math.max(mCurrentBottomHeight * 1.0f / mMaxBottomHeight, 0.2f);

        float bottomControlXOffset = mTopSize * ((3 + (float) Math.pow(scale, 7) * 16) / 32);
        float bottomControlY = mTopBound.bottom / 2 + mCenterPoint.y / 2;
        // ???
        mPath.cubicTo(mTopBound.right - mTopSize / 8, mTopBound.bottom, mTopBound.right - bottomControlXOffset,
                bottomControlY, mBottomBound.right, mBottomBound.bottom - mBottomBound.height() / 2);

        mPath.arcTo(mBottomBound, 0, 180);

        //            mPath.quadTo(mTopBound.left + mTopSize / 8, mTopBound.bottom, mTopBound.left, mTopBound.bottom - mTopSize / 2);
        mPath.cubicTo(mTopBound.left + bottomControlXOffset, bottomControlY, mTopBound.left + mTopSize / 8,
                mTopBound.bottom, mTopBound.left, mTopBound.bottom - mTopSize / 2);

        canvas.drawPath(mPath, mPaint);

        mRotateDrawable.draw(canvas);
    }
}

---

From source file:com.ahamed.sample.common.decorator.ThickItemDecorator.java

@SuppressLint("NewApi")
private void drawVertical(Canvas canvas, RecyclerView parent, View child) {
    canvas.save();/*from  ww  w.j  av a  2  s. c  o  m*/
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    parent.getDecoratedBoundsWithMargins(child, mBounds);
    final int bottom = mBounds.bottom + Math.round(ViewCompat.getTranslationY(child));
    final int top = bottom - mDivider.getIntrinsicHeight() * 4;
    mDivider.setBounds(left, top, right, bottom);
    mDivider.draw(canvas);
    canvas.restore();
}

---

From source file:net.simno.klingar.ui.widget.DividerItemDecoration.java

private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();/*from w  ww . j a  va  2s . c  om*/
    // Drawable width defines left/right padding. Drawable height defines divider height.
    final int left = parent.getPaddingStart() + divider.getIntrinsicWidth();
    final int right = parent.getWidth() - parent.getPaddingEnd() - divider.getIntrinsicWidth();

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getDecoratedBoundsWithMargins(child, bounds);
        final int bottom = bounds.bottom + Math.round(ViewCompat.getTranslationY(child));
        final int top = bottom - divider.getIntrinsicHeight();
        divider.setBounds(left, top, right, bottom);
        divider.draw(canvas);
    }
    canvas.restore();
}

---

From source file:cn.bingoogolapple.refreshlayout.BGAStickinessRefreshView.java

@Override
public void onDraw(Canvas canvas) {
    if (mRotateDrawable == null) {
        return;/*from   w  ww.j a  va  2s.c  om*/
    }

    mPath.reset();

    mTopBound.round(mRotateDrawableBound);
    mRotateDrawable.setBounds(mRotateDrawableBound);
    if (mIsRotating) {
        mPath.addOval(mTopBound, Path.Direction.CW);
        canvas.drawPath(mPath, mPaint);
        canvas.save();
        canvas.rotate(mCurrentDegree, mRotateDrawable.getBounds().centerX(),
                mRotateDrawable.getBounds().centerY());
        mRotateDrawable.draw(canvas);
        canvas.restore();
    } else {
        // drawable
        mPath.moveTo(mTopBound.left, mTopBound.top + mTopSize / 2);
        // drawable?
        mPath.arcTo(mTopBound, 180, 180);
        // ?
        //            mPath.quadTo(mTopBound.right - mTopSize / 8, mTopBound.bottom, mBottomBound.right, mBottomBound.bottom - mBottomBound.height() / 2);

        // mCurrentBottomHeight   0  mMaxBottomHeight
        // scale                  0.2  1
        float scale = Math.max(mCurrentBottomHeight * 1.0f / mMaxBottomHeight, 0.2f);

        float bottomControlXOffset = mTopSize * ((3 + (float) Math.pow(scale, 7) * 16) / 32);
        float bottomControlY = mTopBound.bottom / 2 + mCenterPoint.y / 2;
        // ???
        mPath.cubicTo(mTopBound.right - mTopSize / 8, mTopBound.bottom, mTopBound.right - bottomControlXOffset,
                bottomControlY, mBottomBound.right, mBottomBound.bottom - mBottomBound.height() / 2);

        mPath.arcTo(mBottomBound, 0, 180);

        //            mPath.quadTo(mTopBound.left + mTopSize / 8, mTopBound.bottom, mTopBound.left, mTopBound.bottom - mTopSize / 2);
        mPath.cubicTo(mTopBound.left + bottomControlXOffset, bottomControlY, mTopBound.left + mTopSize / 8,
                mTopBound.bottom, mTopBound.left, mTopBound.bottom - mTopSize / 2);

        canvas.drawPath(mPath, mPaint);

        mRotateDrawable.draw(canvas);
    }
}

---

From source file:com.appsimobile.appsii.module.home.SunriseDrawable.java

@Override
public void draw(Canvas canvas) {
    Rect bounds = getBounds();//from w w w  .ja v a2s  .  c om
    if (mIsRtl) {
        canvas.save();
        canvas.scale(-1, 1, bounds.centerX(), bounds.centerY());
    }
    float pct = drawArc(canvas, bounds);

    if (pct < 0) {
        pct = 0;
    } else if (pct > 1) {
        pct = 1;
    }

    int y = bounds.bottom - mBottomOffset;
    canvas.drawLine(bounds.left + mLeftOffset / 2, y, bounds.right - mRightOffset / 2, y, mLinePaint);

    drawSun(canvas, pct);

    if (mIsRtl) {
        canvas.restore();
    }

}

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