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.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  ww  w  . j a  v  a 2s. co  m
        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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From source file:com.keylesspalace.tusky.view.ProgressImageView.java

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

    float angle = (progress / 100f) * 360 - 90;
    float halfWidth = canvas.getWidth() / 2;
    float halfHeight = canvas.getHeight() / 2;
    progressRect.set(halfWidth * 0.75f, halfHeight * 0.75f, halfWidth * 1.25f, halfHeight * 1.25f);
    biggerRect.set(progressRect);//w  w  w .ja v a  2  s  . co m
    int margin = 8;
    biggerRect.set(progressRect.left - margin, progressRect.top - margin, progressRect.right + margin,
            progressRect.bottom + margin);
    canvas.saveLayer(biggerRect, null, Canvas.ALL_SAVE_FLAG);
    if (progress != -1) {
        canvas.drawOval(progressRect, circlePaint);
        canvas.drawArc(biggerRect, angle, 360 - angle - 90, true, clearPaint);
    }
    canvas.restore();

    int circleRadius = Utils.dpToPx(getContext(), 14);
    int circleMargin = Utils.dpToPx(getContext(), 14);

    int circleY = canvas.getHeight() - circleMargin - circleRadius / 2;
    int circleX = canvas.getWidth() - circleMargin - circleRadius / 2;

    canvas.drawCircle(circleX, circleY, circleRadius, markBgPaint);

    captionDrawable.setBounds(canvas.getWidth() - circleMargin - circleRadius,
            canvas.getHeight() - circleMargin - circleRadius, canvas.getWidth() - circleMargin,
            canvas.getHeight() - circleMargin);
    DrawableCompat.setTint(captionDrawable, Color.WHITE);
    captionDrawable.draw(canvas);
}

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

private float drawArc(Canvas canvas, Rect bounds) {
    canvas.drawPath(mArc, mArcPaint);//  w w  w .  ja  v a  2s  .co m

    int minuteSinceStart = mNowMinutes - mRiseMinutes;
    int totalMinutes = mSetMinutes - mRiseMinutes;
    float pct = (minuteSinceStart / (float) totalMinutes);

    int r = bounds.right - mRightOffset;
    int l = bounds.left + mLeftOffset;

    int px = (int) (pct * (r - l));

    mClipRect.set(0, 0, l + px, bounds.bottom);
    canvas.save(Canvas.CLIP_SAVE_FLAG);
    canvas.clipRect(mClipRect);
    canvas.drawPath(mArcFill, mArcFillPaint);
    canvas.restore();

    return pct;
}

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From source file:org.wikipedia.page.shareafact.SnippetImage.java

private static void drawTitle(@NonNull Canvas canvas, @NonNull String title, int top, boolean isArticleRTL) {
    final int marginBottom = 0;
    final int maxHeight = 70;
    final int maxLines = 2;
    final float maxFontSize = 30.0f;
    final float spacingMultiplier = 0.7f;

    TextPaint textPaint = new TextPaint();
    textPaint.setAntiAlias(true);//from w  w  w  .  ja va2  s  .  co m
    textPaint.setColor(Color.WHITE);
    textPaint.setTextSize(maxFontSize);
    textPaint.setStyle(Paint.Style.FILL);
    textPaint.setTypeface(SERIF);
    textPaint.setShadowLayer(1.0f, 0.0f, 1.0f, Color.GRAY);

    StaticLayout textLayout = optimizeTextSize(
            new TextLayoutParams(title, textPaint, DESCRIPTION_WIDTH, spacingMultiplier), maxHeight, maxLines,
            maxFontSize, maxFontSize);
    int left = HORIZONTAL_PADDING;
    if (isArticleRTL) {
        left = WIDTH - HORIZONTAL_PADDING - textLayout.getWidth();
    }
    int marginBottomTotal = marginBottom;
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        // versions < 5.0 don't compensate for bottom margin correctly when line
        // spacing is less than 1.0, so we'll compensate ourselves
        final int marginBoost = 10;
        marginBottomTotal += marginBoost;
    }

    top = top - marginBottomTotal - textLayout.getHeight();
    canvas.save();
    canvas.translate(left, top);
    textLayout.draw(canvas);
    canvas.restore();
}

---

From source file:com.ahamed.multiviewadapter.util.SimpleDividerDecoration.java

@SuppressLint("NewApi")
private void drawVertical(Canvas canvas, RecyclerView parent, View child) {
    canvas.save();/*from  ww w. j a v  a  2  s .  com*/
    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();
    mDivider.setBounds(left, top, right, bottom);
    mDivider.draw(canvas);
    canvas.restore();
}

---

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();/*from   w  ww.j  av  a 2  s.  c  om*/
        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);
}

---

From source file:com.nicodelee.ptr.header.StickinessView.java

@Override
public void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (mRotateDrawable == null) {
        return;//from   w w w  .j a  v  a 2  s . c  o  m
    }
    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);
    }
}

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From source file:com.ahamed.multiviewadapter.util.SimpleDividerDecoration.java

@SuppressLint("NewApi")
private void drawHorizontal(Canvas canvas, RecyclerView parent, View child) {
    canvas.save();/*from w ww.j  ava2 s . c o  m*/
    final int top;
    final int bottom;
    if (parent.getClipToPadding()) {
        top = parent.getPaddingTop();
        bottom = parent.getHeight() - parent.getPaddingBottom();
        canvas.clipRect(parent.getPaddingLeft(), top, parent.getWidth() - parent.getPaddingRight(), bottom);
    } else {
        top = 0;
        bottom = parent.getHeight();
    }

    parent.getLayoutManager().getDecoratedBoundsWithMargins(child, mBounds);
    final int right = mBounds.right + Math.round(ViewCompat.getTranslationX(child));
    final int left = right - mDivider.getIntrinsicWidth();
    mDivider.setBounds(left, top, right, bottom);
    mDivider.draw(canvas);
    canvas.restore();
}

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From source file:com.achep.acdisplay.ui.widgets.CircleView.java

private void drawCornerIcon(@NonNull Canvas canvas, @NonNull Drawable drawable, int xm, int ym) {
    int width = getMeasuredWidth() - drawable.getBounds().width();
    int height = getMeasuredHeight() - drawable.getBounds().height();
    float margin = (1 - 2 * xm) * mCornerMargin;
    // Draw/*from  www.  j  a va  2 s  .co m*/
    canvas.save();
    canvas.translate(xm * width + margin, ym * height + margin);
    drawable.draw(canvas);
    canvas.restore();
}

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

public void drawSun(Canvas canvas) {
    sunPaint.reset();//from   ww w .j a v  a 2  s.  c o m
    sunPaint.setColor(Color.YELLOW);
    sunPaint.setStyle(Paint.Style.FILL_AND_STROKE);
    // Horizontal sunPosition = new Horizontal(225, 45);

    if (sunPosition.getElevation() > -10) {
        canvas.rotate((float) sunPosition.getAzimuth() - 360, px, py);
        sunPaint.setPathEffect(dashPath);

        int ry = (int) (((90 - sunPosition.getElevation()) / 90) * Radius);
        canvas.drawCircle(px, py - ry, r, sunPaint);
        dashedPaint.setColor(Color.YELLOW);
        canvas.drawLine(px, py - Radius, px, py + Radius, dashedPaint);
        sunPaint.setPathEffect(null);
        canvas.restore();
    }

}

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