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:org.wikipedia.page.shareafact.SnippetImage.java

@NonNull
private static Layout drawTextSnippet(@NonNull Canvas canvas, @NonNull CharSequence textSnippet) {
    final int top = TOP_PADDING;
    final int maxHeight = 225;
    final int maxLines = 5;
    final float maxFontSize = 195.0f;
    final float minFontSize = 32.0f;

    TextPaint textPaint = new TextPaint();
    textPaint.setAntiAlias(true);/*  w ww  . j a  va 2  s  .  c o m*/
    textPaint.setColor(Color.WHITE);
    textPaint.setTextSize(maxFontSize);
    textPaint.setStyle(Paint.Style.FILL);
    textPaint.setTypeface(Typeface.DEFAULT_BOLD);
    textPaint.setShadowLayer(1.0f, 1.0f, 1.0f, Color.GRAY);

    StaticLayout textLayout = optimizeTextSize(
            new TextLayoutParams(textSnippet, textPaint, TEXT_WIDTH, SPACING_MULTIPLIER), maxHeight, maxLines,
            maxFontSize, minFontSize);

    canvas.save();
    int horizontalCenterOffset = top + (maxHeight - textLayout.getHeight()) / QUARTER;
    canvas.translate(HORIZONTAL_PADDING, horizontalCenterOffset);
    textLayout.draw(canvas);
    canvas.restore();

    return textLayout;
}

From source file:Main.java

public static boolean drawDrawables(Canvas canvas, @Nonnull TextView textView) {
    final int compoundPaddingLeft = textView.getCompoundPaddingLeft();
    final int compoundPaddingTop = textView.getCompoundPaddingTop();
    final int compoundPaddingRight = textView.getCompoundPaddingRight();
    final int compoundPaddingBottom = textView.getCompoundPaddingBottom();

    final int scrollX = textView.getScrollX();
    final int scrollY = textView.getScrollY();

    final int right = textView.getRight();
    final int left = textView.getLeft();
    final int bottom = textView.getBottom();
    final int top = textView.getTop();

    final Drawable[] drawables = textView.getCompoundDrawables();
    if (drawables != null) {

        int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop;
        int hspace = right - left - compoundPaddingRight - compoundPaddingLeft;

        Drawable topDr = drawables[1];/*  w  ww.  j a v a 2  s . com*/
        // IMPORTANT: The coordinates computed are also used in invalidateDrawable()
        // Make sure to update invalidateDrawable() when changing this code.
        if (topDr != null) {
            canvas.save();
            canvas.translate(scrollX + compoundPaddingLeft + (hspace - topDr.getBounds().width()) / 2,
                    scrollY + textView.getPaddingTop() + vspace / 2);
            topDr.draw(canvas);
            canvas.restore();
            return true;
        }
    }

    return false;
}

From source file:com.arbo.gaogao.widget.MyParallaxScrimageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (imageOffset != 0) {
        canvas.save();/*from  w w w  .j  a va 2s  .co  m*/
        canvas.translate(0f, imageOffset);
        canvas.clipRect(0f, 0f, canvas.getWidth(), canvas.getHeight() + imageOffset);
        super.onDraw(canvas);
        canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), scrimPaint);
        canvas.restore();
    } else {
        super.onDraw(canvas);
        canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), scrimPaint);
    }
}

From source file:com.handmark.pulltorefresh.library.internal.LoadingLayout.java

private void rotateArrow() {
    final Drawable drawable = mHeaderArrow.getDrawable();
    final Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
            Config.ARGB_8888);/*  w w w . ja  va 2 s  .  com*/
    final Canvas canvas = new Canvas(bitmap);
    canvas.save();
    canvas.rotate(180.0f, canvas.getWidth() / 2.0f, canvas.getHeight() / 2.0f);
    drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
    drawable.draw(canvas);
    canvas.restore();
    mHeaderArrow.setImageBitmap(bitmap);
}

From source file:io.github.sin3hz.wifispinnerview.WifiSpinnerDrawable.java

@Override
public void draw(Canvas canvas) {
    canvas.save();// w w w.j a va 2 s.  co m
    canvas.rotate(mGlobalAngle, mBounds.centerX(), mBounds.centerY());
    for (int i = 0; i < mSpinnerCount; i++) {
        canvas.drawPath(mSpinners[i].path, mSpinners[i].paint);
    }
    canvas.restore();
}

From source file:br.com.leoleal.swipetorefresh.SwipeProgressBar.java

/**
 * Draws a circle centered in the view./*from  www.j  a  v a 2s  . c  om*/
 *
 * @param canvas the canvas to draw on
 * @param cx the center x coordinate
 * @param cy the center y coordinate
 * @param color the color to draw
 * @param pct the percentage of the view that the circle should cover
 */
private void drawCircle(Canvas canvas, float cx, float cy, int color, float pct) {
    mPaint.setColor(color);
    canvas.save();
    canvas.translate(cx, cy);
    float radiusScale = INTERPOLATOR.getInterpolation(pct);
    canvas.scale(radiusScale, radiusScale);
    canvas.drawCircle(0, 0, cx, mPaint);
    canvas.restore();
}

From source file:com.lovejjfg.zhifou.ui.widget.ParallaxScrimageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (imageOffset != 0) {
        canvas.save();/*from  w w w  . j a  v  a  2 s .c o m*/
        canvas.translate(0f, imageOffset);
        Log.i("imageOffset", "onDraw: " + imageOffset);
        canvas.clipRect(0f, 0f, canvas.getWidth(), canvas.getHeight() + imageOffset);
        super.onDraw(canvas);
        canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), scrimPaint);
        canvas.restore();
    } else {
        super.onDraw(canvas);
        canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), scrimPaint);
    }
}

From source file:chrisrenke.drawerarrowdrawable.DrawerArrowDrawable.java

@Override
public void draw(Canvas canvas) {
    if (flip) {/*  w  w w . j a  v  a  2  s  . c o m*/
        canvas.save();
        canvas.scale(1f, -1f, getIntrinsicWidth() / 2, getIntrinsicHeight() / 2);
    }

    topLine.draw(canvas);
    middleLine.draw(canvas);
    bottomLine.draw(canvas);

    if (flip)
        canvas.restore();
}

From source file:com.flyn.smartandroid.views.DrawerArrowDrawable.java

@Override
public void draw(Canvas canvas) {
    if (flip) {//  w  ww .  j  av a  2  s  .  c  o m
        canvas.save();
        canvas.scale(1f, -1f, getIntrinsicWidth() / 2, getIntrinsicHeight() / 2);
    }

    topLine.draw(canvas);
    middleLine.draw(canvas);
    bottomLine.draw(canvas);

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

From source file:com.umeng.comm.ui.imagepicker.widgets.ViewPagerIndicator.java

/**
 * /*w w  w  .  j a  v  a  2  s  .c om*/
 */
@Override
protected void dispatchDraw(Canvas canvas) {
    canvas.save();
    // ?
    canvas.translate(mInitTranslationX + mTranslationX, getHeight() + 5);
    canvas.drawPath(mPath, mPaint);
    canvas.restore();

    // tab
    canvas.drawLine(mTranslationX, getHeight() - 3, mTranslationX + mHalfScreenWidth, getHeight() - 3,
            mLinePaint);
    // 
    canvas.drawLine(0, getHeight() - 1, 2 * mHalfScreenWidth, getHeight() - 1, mDividerLinePaint);
    super.dispatchDraw(canvas);
}