Example usage for android.graphics Canvas save

List of usage examples for android.graphics Canvas save

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  4. android.graphics.*
  5. Canvas
  6. save

Introduction

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

Prototype

public int save()

Source Link

Document

Saves the current matrix and clip onto a private stack.

Usage

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

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

From source file:com.by_syk.lib.nanoiconpack.widget.DividerItemDecoration.java

@SuppressLint("NewApi")
private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int left;
    final int right;
    if (parent.getClipToPadding()) {
        left = parent.getPaddingLeft();/*from   w  w w.  j a v a2s  .  c  o  m*/
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    final int childCount = parent.getChildCount();
    //        for (int i = 0; i < childCount; i++) {
    // Remove the last divider
    // @By_syk
    for (int i = 0; i < childCount - 1; i++) {
        final View child = parent.getChildAt(i);
        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:com.lovejjfg.zhifou.ui.widget.ParallaxScrimageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (imageOffset != 0) {
        canvas.save();
        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();// w  w w .j  a v a2 s. co  m
    } else {
        super.onDraw(canvas);
        canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), scrimPaint);
    }
}

From source file:com.tr4android.support.extension.widget.CollapsingDrawableHelper.java

public void draw(Canvas canvas) {
    final int saveCount = canvas.save();

    if (mDrawable != null && mDrawIcon) {
        // Let the drawable draw to the canvas (bounds are already set)
        mDrawable.draw(canvas);//from w  ww .  ja  v a2  s.  c o m
    }

    canvas.restoreToCount(saveCount);
}

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);/*from ww  w .j  av a 2s . c om*/
    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:com.mark.app.widget.recycler_view.LLMDivider.java

private void drawVertical(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int left;
    final int right;
    if (getParentClipToPadding(parent)) {
        left = parent.getPaddingLeft();/*  w  ww  .  ja  v a 2s.c  om*/
        right = parent.getWidth() - parent.getPaddingRight();
        canvas.clipRect(left, parent.getPaddingTop(), right, parent.getHeight() - parent.getPaddingBottom());
    } else {
        left = 0;
        right = parent.getWidth();
    }

    // ???
    final int childCount = mEnableLastItemDivider ? parent.getChildCount() : parent.getChildCount() - 1;
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        parent.getLayoutManager().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:com.mark.app.widget.recycler_view.LLMDivider.java

private void drawHorizontal(Canvas canvas, RecyclerView parent) {
    canvas.save();
    final int top;
    final int bottom;
    if (getParentClipToPadding(parent)) {
        top = parent.getPaddingTop();//w w  w  .j a  v a2  s.c o m
        bottom = parent.getHeight() - parent.getPaddingBottom();
        canvas.clipRect(parent.getPaddingLeft(), top, parent.getWidth() - parent.getPaddingRight(), bottom);
    } else {
        top = 0;
        bottom = parent.getHeight();
    }

    // ???
    final int childCount = mEnableLastItemDivider ? parent.getChildCount() : parent.getChildCount() - 1;
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        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();
}

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

@Override
protected void onDraw(Canvas canvas) {
    canvas.save();
    canvas.translate(textX = AndroidUtilities.dp(LocaleController.isRTL ? 16 : 71),
            textY = AndroidUtilities.dp(8));
    if (pressedLink != null) {
        canvas.drawPath(urlPath, urlPaint);
    }//from w  ww. jav a2 s .c o m
    try {
        if (textLayout != null) {
            textLayout.draw(canvas);
        }
    } catch (Exception e) {
        FileLog.e("tmessages", e);
    }
    canvas.restore();
}

From source file:com.example.zhangyangjing.roundcornerimageview.BezelImageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (mBounds == null) {
        return;//from ww  w.  j a  v a2 s .  c  o  m
    }

    int width = mBounds.width();
    int height = mBounds.height();

    if (width == 0 || height == 0) {
        return;
    }

    if (!mCacheValid || width != mCachedWidth || height != mCachedHeight) {
        // Need to redraw the cache
        if (width == mCachedWidth && height == mCachedHeight) {
            // Have a correct-sized bitmap cache already allocated. Just erase it.
            mCacheBitmap.eraseColor(0);
        } else {
            // Allocate a new bitmap with the correct dimensions.
            mCacheBitmap.recycle();
            //noinspection AndroidLintDrawAllocation
            mCacheBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
            mCachedWidth = width;
            mCachedHeight = height;
            generateMaskPath(mCachedWidth, mCachedHeight);
        }

        Canvas cacheCanvas = new Canvas(mCacheBitmap);
        int sc = cacheCanvas.save();
        mDesaturatePaint.setColorFilter((mDesaturateOnPress && isPressed()) ? mDesaturateColorFilter : null);
        cacheCanvas.saveLayer(mBoundsF, mDesaturatePaint,
                Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.FULL_COLOR_LAYER_SAVE_FLAG);
        super.onDraw(cacheCanvas);
        cacheCanvas.drawPath(this.mMaskedPath, this.mMaskedPaint);
        cacheCanvas.restoreToCount(sc);
    }

    // Draw from cache
    canvas.drawBitmap(mCacheBitmap, mBounds.left, mBounds.top, null);
}

From source file:com.sinenco.sharednews.listviewremovalanimation.BackgroundContainer.java

@Override
protected void onDraw(Canvas canvas) {
    if (mShowing) {
        if (mUpdateBounds) {
            mShadowedBackground.setBounds(0, 0, getWidth(), mOpenAreaHeight);
        }/* ww w.  j  ava  2  s  . co m*/
        canvas.save();
        canvas.translate(0, mOpenAreaTop);
        mShadowedBackground.draw(canvas);
        canvas.restore();
    }
}