Example usage for android.graphics Canvas restore

List of usage examples for android.graphics Canvas restore

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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.android.mail.ui.FolderDisplayer.java

public static void drawFolder(Canvas canvas, float x, float y, int width, int height, String name, int fgColor,
        int bgColor, FolderDisplayer.FolderDrawableResources res, BidiFormatter formatter, Paint paint) {
    canvas.save();/*  ww  w  .ja  v  a  2 s.  com*/
    canvas.translate(x, y + res.folderVerticalOffset);

    // Draw the box.
    paint.setColor(bgColor);
    paint.setStyle(Paint.Style.FILL);
    final RectF rect = new RectF(0, 0, width, height);
    canvas.drawRoundRect(rect, res.folderRoundedCornerRadius, res.folderRoundedCornerRadius, paint);

    // Draw the text based on the language locale and layout direction.
    paint.setColor(fgColor);
    paint.setStyle(Paint.Style.FILL);

    // Compute the text/gradient indices
    final int textLength = (int) paint.measureText(name);
    final int gradientX0;
    final int gradientX1;
    final int textX;

    /***************************************************************************************************
     * width               - the actual folder chip rectangle.                                         *
     * textLength          - the length of the folder's full name (can be longer than                  *
     *                         the actual chip, which is what overflow gradient is for).               *
     * innerPadding        - the padding between the text and the chip edge.                           *
     * overflowPadding     - the padding between start of overflow and the chip edge.                  *
     *                                                                                                 *
     *                                                                                                 *
     * text is in a RTL language                                                                       *
     *                                                                                                 *
     *                   index-0                                                                       *
     *                      |<---------------------------- width ---------------------------->|        *
     *        |<-------------------------textLength------------------>|                       |        *
     *        |             |<----- overflowPadding ----->|                                   |        *
     *        |             |<- innerPadding ->|<-------->|<--------->|<- horizontalPadding ->|        *
     *       textX                            gX1        gX0                                           *
     *                                                                                                 *
     *                                                                                                 *
     * text is in a LTR language.                                                                      *
     *                                                                                                 *
     *     index-0                                                                                     *
     *        |<------------------------------ width ------------------------------->|                 *
     *        |                       |<-------------------------textLength-------------------->|      *
     *        |                                   |<-------- overflowPadding ------->|                 *
     *        |<- horizontalPadding ->|<--------->|<-------->|<- horizontalPadding ->|                 *
     *                              textX        gX0        gX1                                        *
     *                                                                                                 *
     **************************************************************************************************/
    if (formatter.isRtl(name)) {
        gradientX0 = res.overflowGradientPadding;
        gradientX1 = res.folderHorizontalPadding;
        textX = width - res.folderHorizontalPadding - textLength;
    } else {
        gradientX0 = width - res.overflowGradientPadding;
        gradientX1 = width - res.folderHorizontalPadding;
        textX = res.folderHorizontalPadding;
    }

    // Draw the text and the possible overflow gradient
    // Overflow happens when the text is longer than the chip width minus side paddings.
    if (textLength > width - 2 * res.folderHorizontalPadding) {
        final Shader shader = new LinearGradient(gradientX0, 0, gradientX1, 0, fgColor,
                Utils.getTransparentColor(fgColor), Shader.TileMode.CLAMP);
        paint.setShader(shader);
    }
    final int textY = height / 2 - (int) (paint.descent() + paint.ascent()) / 2;
    canvas.drawText(name, textX, textY, paint);
    paint.setShader(null);

    canvas.restore();
}

From source file:com.marlonjones.voidlauncher.CellLayout.java

@Override
protected void onDraw(Canvas canvas) {
    if (!mIsDragTarget) {
        return;//from   www.java 2 s  .  c  o m
    }

    // When we're large, we are either drawn in a "hover" state (ie when dragging an item to
    // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f)
    // When we're small, we are either drawn normally or in the "accepts drops" state (during
    // a drag). However, we also drag the mini hover background *over* one of those two
    // backgrounds
    if (mBackgroundAlpha > 0.0f) {
        mBackground.draw(canvas);
    }

    final Paint paint = mDragOutlinePaint;
    for (int i = 0; i < mDragOutlines.length; i++) {
        final float alpha = mDragOutlineAlphas[i];
        if (alpha > 0) {
            final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag();
            paint.setAlpha((int) (alpha + .5f));
            canvas.drawBitmap(b, null, mDragOutlines[i], paint);
        }
    }

    if (DEBUG_VISUALIZE_OCCUPIED) {
        int[] pt = new int[2];
        ColorDrawable cd = new ColorDrawable(Color.RED);
        cd.setBounds(0, 0, mCellWidth, mCellHeight);
        for (int i = 0; i < mCountX; i++) {
            for (int j = 0; j < mCountY; j++) {
                if (mOccupied.cells[i][j]) {
                    cellToPoint(i, j, pt);
                    canvas.save();
                    canvas.translate(pt[0], pt[1]);
                    cd.draw(canvas);
                    canvas.restore();
                }
            }
        }
    }

    for (int i = 0; i < mFolderBackgrounds.size(); i++) {
        FolderIcon.PreviewBackground bg = mFolderBackgrounds.get(i);
        cellToPoint(bg.delegateCellX, bg.delegateCellY, mTempLocation);
        canvas.save();
        canvas.translate(mTempLocation[0], mTempLocation[1]);
        bg.drawBackground(canvas, mFolderBgPaint);
        if (!bg.isClipping) {
            bg.drawBackgroundStroke(canvas, mFolderBgPaint);
        }
        canvas.restore();
    }

    if (mFolderLeaveBehind.delegateCellX >= 0 && mFolderLeaveBehind.delegateCellY >= 0) {
        cellToPoint(mFolderLeaveBehind.delegateCellX, mFolderLeaveBehind.delegateCellY, mTempLocation);
        canvas.save();
        canvas.translate(mTempLocation[0], mTempLocation[1]);
        mFolderLeaveBehind.drawLeaveBehind(canvas, mFolderBgPaint);
        canvas.restore();
    }
}

From source file:org.chromium.chrome.browser.toolbar.ToolbarPhone.java

@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    if (child == mLocationBar)
        return drawLocationBar(canvas, drawingTime);
    boolean clipped = false;

    if (mLocationBarBackground != null
            && ((mTabSwitcherState == STATIC_TAB && !mTabSwitcherModeViews.contains(child))
                    || (mTabSwitcherState != STATIC_TAB && mBrowsingModeViews.contains(child)))) {
        canvas.save();/*from ww w. j a  va2  s  . c  om*/

        int translationY = (int) mLocationBar.getTranslationY();
        int clipTop = mLocationBarBackgroundBounds.top - mLocationBarBackgroundPadding.top + translationY;
        if (mUrlExpansionPercent != 0f && clipTop < child.getBottom()) {
            // For other child views, use the inverse clipping of the URL viewport.
            // Only necessary during animations.
            // Hardware mode does not support unioned clip regions, so clip using the
            // appropriate bounds based on whether the child is to the left or right of the
            // location bar.
            boolean isLeft = (child == mNewTabButton || child == mHomeButton) ^ LocalizationUtils.isLayoutRtl();

            int clipBottom = mLocationBarBackgroundBounds.bottom + mLocationBarBackgroundPadding.bottom
                    + translationY;
            boolean verticalClip = false;
            if (translationY > 0f) {
                clipTop = child.getTop();
                clipBottom = clipTop;
                verticalClip = true;
            }

            if (isLeft) {
                int clipRight = verticalClip ? child.getMeasuredWidth()
                        : mLocationBarBackgroundBounds.left - mLocationBarBackgroundPadding.left;
                canvas.clipRect(0, clipTop, clipRight, clipBottom);
            } else {
                int clipLeft = verticalClip ? 0
                        : mLocationBarBackgroundBounds.right + mLocationBarBackgroundPadding.right;
                canvas.clipRect(clipLeft, clipTop, getMeasuredWidth(), clipBottom);
            }
        }
        clipped = true;
    }
    boolean retVal = super.drawChild(canvas, child, drawingTime);
    if (clipped)
        canvas.restore();
    return retVal;
}

From source file:de.tum.in.tumcampus.auxiliary.calendar.DayView.java

private void drawEventText(StaticLayout eventLayout, Rect rect, Canvas canvas, int top, int bottom,
        boolean center) {
    // drawEmptyRect(canvas, rect, 0xFFFF00FF); // for debugging

    int width = rect.right - rect.left;
    int height = rect.bottom - rect.top;

    // If the rectangle is too small for text, then return
    if (eventLayout == null || width < MIN_CELL_WIDTH_FOR_TEXT) {
        return;//from   w w  w  . ja v a  2 s .c om
    }

    int totalLineHeight = 0;
    int lineCount = eventLayout.getLineCount();
    for (int i = 0; i < lineCount; i++) {
        int lineBottom = eventLayout.getLineBottom(i);
        if (lineBottom <= height) {
            totalLineHeight = lineBottom;
        } else {
            break;
        }
    }

    // + 2 is small workaround when the font is slightly bigger then the rect. This will
    // still allow the text to be shown without overflowing into the other all day rects.
    if (totalLineHeight == 0 || rect.top > bottom || rect.top + totalLineHeight + 2 < top) {
        return;
    }

    // Use a StaticLayout to format the string.
    canvas.save();
    //  canvas.translate(rect.left, rect.top + (rect.bottom - rect.top / 2));
    int padding = center ? (rect.bottom - rect.top - totalLineHeight) / 2 : 0;
    canvas.translate(rect.left, rect.top + padding);
    rect.left = 0;
    rect.right = width;
    rect.top = 0;
    rect.bottom = totalLineHeight;

    // There's a bug somewhere. If this rect is outside of a previous
    // cliprect, this becomes a no-op. What happens is that the text draw
    // past the event rect. The current fix is to not draw the staticLayout
    // at all if it is completely out of bound.
    canvas.clipRect(rect);
    eventLayout.draw(canvas);
    canvas.restore();
}

From source file:com.codemx.launcher3.CellLayout.java

@Override
protected void onDraw(Canvas canvas) {
    if (!mIsDragTarget) {
        return;//from w  ww .  j a  v a2 s . co  m
    }

    // When we're large, we are either drawn in a "hover" state (ie when dragging an item to
    // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f)
    // When we're small, we are either drawn normally or in the "accepts drops" state (during
    // a drag). However, we also drag the mini hover background *over* one of those two
    // backgrounds
    if (mBackgroundAlpha > 0.0f) {
        mBackground.draw(canvas);
    }

    final Paint paint = mDragOutlinePaint;
    for (int i = 0; i < mDragOutlines.length; i++) {
        final float alpha = mDragOutlineAlphas[i];
        if (alpha > 0) {
            final Rect r = mDragOutlines[i];
            mTempRect.set(r);
            Utilities.scaleRectAboutCenter(mTempRect, getChildrenScale());
            final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag();
            paint.setAlpha((int) (alpha + .5f));
            canvas.drawBitmap(b, null, mTempRect, paint);
        }
    }

    if (DEBUG_VISUALIZE_OCCUPIED) {
        int[] pt = new int[2];
        ColorDrawable cd = new ColorDrawable(Color.RED);
        cd.setBounds(0, 0, mCellWidth, mCellHeight);
        for (int i = 0; i < mCountX; i++) {
            for (int j = 0; j < mCountY; j++) {
                if (mOccupied[i][j]) {
                    cellToPoint(i, j, pt);
                    canvas.save();
                    canvas.translate(pt[0], pt[1]);
                    cd.draw(canvas);
                    canvas.restore();
                }
            }
        }
    }

    int previewOffset = FolderIcon.FolderRingAnimator.sPreviewSize;

    // The folder outer / inner ring image(s)
    DeviceProfile grid = mLauncher.getDeviceProfile();
    for (int i = 0; i < mFolderOuterRings.size(); i++) {
        FolderIcon.FolderRingAnimator fra = mFolderOuterRings.get(i);

        Drawable d;
        int width, height;
        cellToPoint(fra.mCellX, fra.mCellY, mTempLocation);
        View child = getChildAt(fra.mCellX, fra.mCellY);

        if (child != null) {
            int centerX = mTempLocation[0] + mCellWidth / 2;
            int centerY = mTempLocation[1] + previewOffset / 2 + child.getPaddingTop()
                    + grid.folderBackgroundOffset;

            // Draw outer ring, if it exists
            if (FolderIcon.HAS_OUTER_RING) {
                d = FolderIcon.FolderRingAnimator.sSharedOuterRingDrawable;
                width = (int) (fra.getOuterRingSize() * getChildrenScale());
                height = width;
                canvas.save();
                canvas.translate(centerX - width / 2, centerY - height / 2);
                d.setBounds(0, 0, width, height);
                d.draw(canvas);
                canvas.restore();
            }

            // Draw inner ring
            d = FolderIcon.FolderRingAnimator.sSharedInnerRingDrawable;
            width = (int) (fra.getInnerRingSize() * getChildrenScale());
            height = width;
            canvas.save();
            canvas.translate(centerX - width / 2, centerY - width / 2);
            d.setBounds(0, 0, width, height);
            d.draw(canvas);
            canvas.restore();
        }
    }

    if (mFolderLeaveBehindCell[0] >= 0 && mFolderLeaveBehindCell[1] >= 0) {
        Drawable d = FolderIcon.sSharedFolderLeaveBehind;
        int width = d.getIntrinsicWidth();
        int height = d.getIntrinsicHeight();

        cellToPoint(mFolderLeaveBehindCell[0], mFolderLeaveBehindCell[1], mTempLocation);
        View child = getChildAt(mFolderLeaveBehindCell[0], mFolderLeaveBehindCell[1]);
        if (child != null) {
            int centerX = mTempLocation[0] + mCellWidth / 2;
            int centerY = mTempLocation[1] + previewOffset / 2 + child.getPaddingTop()
                    + grid.folderBackgroundOffset;

            canvas.save();
            canvas.translate(centerX - width / 2, centerY - width / 2);
            d.setBounds(0, 0, width, height);
            d.draw(canvas);
            canvas.restore();
        }
    }
}

From source file:com.lite.android.launcher3.CellLayout.java

@Override
protected void onDraw(Canvas canvas) {
    if (!mIsDragTarget) {
        return;//from  w  w  w.  ja  v  a 2  s.  co m
    }

    // When we're large, we are either drawn in a "hover" state (ie when dragging an item to
    // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f)
    // When we're small, we are either drawn normally or in the "accepts drops" state (during
    // a drag). However, we also drag the mini hover background *over* one of those two
    // backgrounds
    if (mBackgroundAlpha > 0.0f) {
        mBackground.draw(canvas);
    }

    final Paint paint = mDragOutlinePaint;
    for (int i = 0; i < mDragOutlines.length; i++) {
        final float alpha = mDragOutlineAlphas[i];
        if (alpha > 0) {
            final Rect r = mDragOutlines[i];
            mTempRect.set(r);
            Utilities.scaleRectAboutCenter(mTempRect, getChildrenScale());
            final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag();
            paint.setAlpha((int) (alpha + .5f));
            canvas.drawBitmap(b, null, mTempRect, paint);
        }
    }

    if (DEBUG_VISUALIZE_OCCUPIED) {
        int[] pt = new int[2];
        ColorDrawable cd = new ColorDrawable(Color.RED);
        cd.setBounds(0, 0, mCellWidth, mCellHeight);
        for (int i = 0; i < mCountX; i++) {
            for (int j = 0; j < mCountY; j++) {
                if (mOccupied[i][j]) {
                    cellToPoint(i, j, pt);
                    canvas.save();
                    canvas.translate(pt[0], pt[1]);
                    cd.draw(canvas);
                    canvas.restore();
                }
            }
        }
    }

    int previewOffset = FolderRingAnimator.sPreviewSize;

    // The folder outer / inner ring image(s)
    DeviceProfile grid = mLauncher.getDeviceProfile();
    for (int i = 0; i < mFolderOuterRings.size(); i++) {
        FolderRingAnimator fra = mFolderOuterRings.get(i);

        Drawable d;
        int width, height;
        cellToPoint(fra.mCellX, fra.mCellY, mTempLocation);
        View child = getChildAt(fra.mCellX, fra.mCellY);

        if (child != null) {
            int centerX = mTempLocation[0] + mCellWidth / 2;
            int centerY = mTempLocation[1] + previewOffset / 2 + child.getPaddingTop()
                    + grid.folderBackgroundOffset;

            // Draw outer ring, if it exists
            if (FolderIcon.HAS_OUTER_RING) {
                d = FolderRingAnimator.sSharedOuterRingDrawable;
                width = (int) (fra.getOuterRingSize() * getChildrenScale());
                height = width;
                canvas.save();
                canvas.translate(centerX - width / 2, centerY - height / 2);
                d.setBounds(0, 0, width, height);
                d.draw(canvas);
                canvas.restore();
            }

            // Draw inner ring
            d = FolderRingAnimator.sSharedInnerRingDrawable;
            if (d != null) {
                width = (int) (fra.getInnerRingSize() * getChildrenScale());
                height = width;
                canvas.save();
                canvas.translate(centerX - width / 2, centerY - width / 2);
                d.setBounds(0, 0, width, height);
                d.draw(canvas);
                canvas.restore();
            }
        }
    }

    if (mFolderLeaveBehindCell[0] >= 0 && mFolderLeaveBehindCell[1] >= 0) {
        Drawable d = FolderIcon.sSharedFolderLeaveBehind;
        int width = d.getIntrinsicWidth();
        int height = d.getIntrinsicHeight();

        cellToPoint(mFolderLeaveBehindCell[0], mFolderLeaveBehindCell[1], mTempLocation);
        View child = getChildAt(mFolderLeaveBehindCell[0], mFolderLeaveBehindCell[1]);
        if (child != null) {
            int centerX = mTempLocation[0] + mCellWidth / 2;
            int centerY = mTempLocation[1] + previewOffset / 2 + child.getPaddingTop()
                    + grid.folderBackgroundOffset;

            canvas.save();
            canvas.translate(centerX - width / 2, centerY - width / 2);
            d.setBounds(0, 0, width, height);
            d.draw(canvas);
            canvas.restore();
        }
    }
}

From source file:com.android.launcher3.CellLayout.java

@Override
protected void onDraw(Canvas canvas) {
    if (!mIsDragTarget) {
        return;/*  w  w w  .  ja v  a  2 s  .c  o  m*/
    }

    // When we're large, we are either drawn in a "hover" state (ie when dragging an item to
    // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f)
    // When we're small, we are either drawn normally or in the "accepts drops" state (during
    // a drag). However, we also drag the mini hover background *over* one of those two
    // backgrounds
    if (mBackgroundAlpha > 0.0f) {
        mBackground.draw(canvas);
    }

    final Paint paint = mDragOutlinePaint;
    for (int i = 0; i < mDragOutlines.length; i++) {
        final float alpha = mDragOutlineAlphas[i];
        if (alpha > 0) {
            final Rect r = mDragOutlines[i];
            mTempRect.set(r);
            Utilities.scaleRectAboutCenter(mTempRect, getChildrenScale());
            final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag();
            paint.setAlpha((int) (alpha + .5f));
            canvas.drawBitmap(b, null, mTempRect, paint);
        }
    }

    if (DEBUG_VISUALIZE_OCCUPIED) {
        int[] pt = new int[2];
        ColorDrawable cd = new ColorDrawable(Color.RED);
        cd.setBounds(0, 0, mCellWidth, mCellHeight);
        for (int i = 0; i < mCountX; i++) {
            for (int j = 0; j < mCountY; j++) {
                if (mOccupied[i][j]) {
                    cellToPoint(i, j, pt);
                    canvas.save();
                    canvas.translate(pt[0], pt[1]);
                    cd.draw(canvas);
                    canvas.restore();
                }
            }
        }
    }

    int previewOffset = FolderRingAnimator.sPreviewSize;

    // The folder outer / inner ring image(s)
    DeviceProfile grid = mLauncher.getDeviceProfile();
    for (int i = 0; i < mFolderOuterRings.size(); i++) {
        FolderRingAnimator fra = mFolderOuterRings.get(i);

        Drawable d;
        int width, height;
        cellToPoint(fra.mCellX, fra.mCellY, mTempLocation);
        View child = getChildAt(fra.mCellX, fra.mCellY);

        if (child != null) {
            int centerX = mTempLocation[0] + mCellWidth / 2;
            int centerY = mTempLocation[1] + previewOffset / 2 + child.getPaddingTop()
                    + grid.folderBackgroundOffset;

            // Draw outer ring, if it exists
            if (FolderIcon.HAS_OUTER_RING) {
                d = FolderRingAnimator.sSharedOuterRingDrawable;
                width = (int) (fra.getOuterRingSize() * getChildrenScale());
                height = width;
                canvas.save();
                canvas.translate(centerX - width / 2, centerY - height / 2);
                d.setBounds(0, 0, width, height);
                d.draw(canvas);
                canvas.restore();
            }

            // Draw inner ring
            d = FolderRingAnimator.sSharedInnerRingDrawable;
            width = (int) (fra.getInnerRingSize() * getChildrenScale());
            height = width;
            canvas.save();
            canvas.translate(centerX - width / 2, centerY - width / 2);
            d.setBounds(0, 0, width, height);
            d.draw(canvas);
            canvas.restore();
        }
    }

    if (mFolderLeaveBehindCell[0] >= 0 && mFolderLeaveBehindCell[1] >= 0) {
        Drawable d = FolderIcon.sSharedFolderLeaveBehind;
        int width = d.getIntrinsicWidth();
        int height = d.getIntrinsicHeight();

        cellToPoint(mFolderLeaveBehindCell[0], mFolderLeaveBehindCell[1], mTempLocation);
        View child = getChildAt(mFolderLeaveBehindCell[0], mFolderLeaveBehindCell[1]);
        if (child != null) {
            int centerX = mTempLocation[0] + mCellWidth / 2;
            int centerY = mTempLocation[1] + previewOffset / 2 + child.getPaddingTop()
                    + grid.folderBackgroundOffset;

            canvas.save();
            canvas.translate(centerX - width / 2, centerY - width / 2);
            d.setBounds(0, 0, width, height);
            d.draw(canvas);
            canvas.restore();
        }
    }
}

From source file:org.chromium.chrome.browser.toolbar.ToolbarPhone.java

/**
 * When entering and exiting the TabSwitcher mode, we fade out or fade in the browsing
 * mode of the toolbar on top of the TabSwitcher mode version of it.  We do this by
 * drawing all of the browsing mode views on top of the android view.
 *//*from  w  w  w .j  av a2s. c om*/
private void drawTabSwitcherAnimationOverlay(Canvas canvas, float animationProgress) {
    if (!isNativeLibraryReady())
        return;

    float floatAlpha = 1 - animationProgress;
    int rgbAlpha = (int) (255 * floatAlpha);
    canvas.save();
    canvas.translate(0, -animationProgress * mBackgroundOverlayBounds.height());
    canvas.clipRect(mBackgroundOverlayBounds);

    float previousAlpha = 0.f;
    if (mHomeButton.getVisibility() != View.GONE) {
        // Draw the New Tab button used in the URL view.
        previousAlpha = mHomeButton.getAlpha();
        mHomeButton.setAlpha(previousAlpha * floatAlpha);
        drawChild(canvas, mHomeButton, SystemClock.uptimeMillis());
        mHomeButton.setAlpha(previousAlpha);
    }

    // Draw the location/URL bar.
    previousAlpha = mLocationBar.getAlpha();
    mLocationBar.setAlpha(previousAlpha * floatAlpha);
    // If the location bar is now fully transparent, do not bother drawing it.
    if (mLocationBar.getAlpha() != 0) {
        drawChild(canvas, mLocationBar, SystemClock.uptimeMillis());
    }
    mLocationBar.setAlpha(previousAlpha);

    // Draw the tab stack button and associated text.
    translateCanvasToView(this, mToolbarButtonsContainer, canvas);

    if (mTabSwitcherAnimationTabStackDrawable != null && mToggleTabStackButton != null
            && mUrlExpansionPercent != 1f) {
        // Draw the tab stack button image.
        canvas.save();
        translateCanvasToView(mToolbarButtonsContainer, mToggleTabStackButton, canvas);

        int backgroundWidth = mToggleTabStackButton.getDrawable().getIntrinsicWidth();
        int backgroundHeight = mToggleTabStackButton.getDrawable().getIntrinsicHeight();
        int backgroundLeft = (mToggleTabStackButton.getWidth() - mToggleTabStackButton.getPaddingLeft()
                - mToggleTabStackButton.getPaddingRight() - backgroundWidth) / 2;
        backgroundLeft += mToggleTabStackButton.getPaddingLeft();
        int backgroundTop = (mToggleTabStackButton.getHeight() - mToggleTabStackButton.getPaddingTop()
                - mToggleTabStackButton.getPaddingBottom() - backgroundHeight) / 2;
        backgroundTop += mToggleTabStackButton.getPaddingTop();
        canvas.translate(backgroundLeft, backgroundTop);

        mTabSwitcherAnimationTabStackDrawable.setAlpha(rgbAlpha);
        mTabSwitcherAnimationTabStackDrawable.draw(canvas);
        canvas.restore();
    }

    // Draw the menu button if necessary.
    if (!mShowMenuBadge && mTabSwitcherAnimationMenuDrawable != null && mUrlExpansionPercent != 1f) {
        mTabSwitcherAnimationMenuDrawable.setBounds(mMenuButton.getPaddingLeft(), mMenuButton.getPaddingTop(),
                mMenuButton.getWidth() - mMenuButton.getPaddingRight(),
                mMenuButton.getHeight() - mMenuButton.getPaddingBottom());
        translateCanvasToView(mToolbarButtonsContainer, mMenuButton, canvas);
        mTabSwitcherAnimationMenuDrawable.setAlpha(rgbAlpha);
        int color = mUseLightDrawablesForTextureCapture ? mLightModeDefaultColor : mDarkModeDefaultColor;
        mTabSwitcherAnimationMenuDrawable.setColorFilter(color, PorterDuff.Mode.SRC_IN);
        mTabSwitcherAnimationMenuDrawable.draw(canvas);
    }

    // Draw the menu badge if necessary.
    Drawable badgeDrawable = mUseLightDrawablesForTextureCapture ? mTabSwitcherAnimationMenuBadgeLightDrawable
            : mTabSwitcherAnimationMenuBadgeDarkDrawable;
    if (mShowMenuBadge && badgeDrawable != null && mUrlExpansionPercent != 1f) {
        badgeDrawable.setBounds(mMenuBadge.getPaddingLeft(), mMenuBadge.getPaddingTop(),
                mMenuBadge.getWidth() - mMenuBadge.getPaddingRight(),
                mMenuBadge.getHeight() - mMenuBadge.getPaddingBottom());
        translateCanvasToView(mToolbarButtonsContainer, mMenuBadge, canvas);
        badgeDrawable.setAlpha(rgbAlpha);
        badgeDrawable.draw(canvas);
    }

    mLightDrawablesUsedForLastTextureCapture = mUseLightDrawablesForTextureCapture;

    canvas.restore();
}

From source file:com.pdftron.pdf.tools.Tool.java

public void onDraw(Canvas canvas, android.graphics.Matrix tfm) {
    // Draw page number
    if (mShowPageNum && mPageNumberIndicatorVisible) {
        int width = mPDFView.getWidth();
        int height = mPDFView.getHeight();
        int page_num = mPDFView.getCurrentPage();
        boolean restore = false;
        float yOffset = 0;

        try {/*from   ww  w.j a  v  a 2s  . c  o  m*/
            // During page sliding, PDFViewCtrl might apply extra transformation
            // matrix to Canvas for animation. However, page number should not
            // move; hence applying the inverse to offset it.
            if (!tfm.isIdentity()) {
                canvas.save();
                restore = true;
                tfm.invert(mTempMtx1);
                canvas.getMatrix(mTempMtx2);
                mTempMtx2.postConcat(mTempMtx1);
                canvas.setMatrix(mTempMtx2);

                // Workaround for bug found in Android > ICS with hardware acceleration turned
                // ON. See http://code.google.com/p/android/issues/detail?id=24517 for more info
                if (Build.VERSION.SDK_INT >= 14
                        /*Build.VERSION_CODES.ICE_CREAM_SANDWICH*/ && mPDFView.isHardwareAccelerated()) {
                    Rect rectangle = new Rect();
                    ((android.app.Activity) mPDFView.getContext()).getWindow().getDecorView()
                            .getWindowVisibleDisplayFrame(rectangle);
                    yOffset = rectangle.top;
                }
            }

            int page_count = mPDFView.getDoc().getPageCount();
            String str = String.format(getStringFromResId(R.string.tools_misc_pagerange), page_num, page_count);

            Rect r = new Rect();
            mPaint4PageNum.getTextBounds(str, 0, str.length(), r);
            float str_width = r.width();
            float str_height = r.height();

            float margin = str_height / 1.5f;
            float left = width - str_width * 1.5f - margin + mPDFView.getScrollX();

            float top = mPDFView.getScrollY() + height - mPageNumPosAdjust - str_height * 3.0f + yOffset;

            float right = left + str_width + margin * 2;
            float bottom = top + str_height + margin * 2;

            mTempPageDrawingRectF.set(left, top, right, bottom);
            mPaint4PageNum.setColor(
                    mPDFView.getContext().getResources().getColor(R.color.tools_pageindicator_background));
            canvas.drawRoundRect(mTempPageDrawingRectF, margin, margin, mPaint4PageNum);

            mPaint4PageNum
                    .setColor(mPDFView.getContext().getResources().getColor(R.color.tools_pageindicator_text));
            left += margin;
            top += str_height / 2 + margin + mPaint4PageNum.descent();

            canvas.drawText(str, left, top - 0.5f, mPaint4PageNum);

        } catch (Exception e) {

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

From source file:com.jjoe64.graphview.GridLabelRenderer.java

/**
 * draws the horizontal steps/*w ww.  java  2  s  .  c  om*/
 * vertical lines and horizontal labels
 *
 * @param canvas canvas
 */
protected void drawHorizontalSteps(Canvas canvas) {
    // draw horizontal steps (vertical lines and horizontal labels)
    mPaintLabel.setColor(getHorizontalLabelsColor());
    int i = 0;
    for (Map.Entry<Integer, Double> e : mStepsHorizontal.entrySet()) {
        // draw line
        if (mStyles.highlightZeroLines) {
            if (e.getValue() == 0d) {
                mPaintLine.setStrokeWidth(5);
            } else {
                mPaintLine.setStrokeWidth(0);
            }
        }
        if (mStyles.gridStyle.drawVertical()) {
            canvas.drawLine(mGraphView.getGraphContentLeft() + e.getKey(), mGraphView.getGraphContentTop(),
                    mGraphView.getGraphContentLeft() + e.getKey(),
                    mGraphView.getGraphContentTop() + mGraphView.getGraphContentHeight(), mPaintLine);
        }

        // draw label
        if (isHorizontalLabelsVisible()) {
            if (mStyles.horizontalLabelsAngle > 0f && mStyles.horizontalLabelsAngle <= 180f) {
                if (mStyles.horizontalLabelsAngle < 90f) {
                    mPaintLabel.setTextAlign((Paint.Align.RIGHT));
                } else if (mStyles.horizontalLabelsAngle <= 180f) {
                    mPaintLabel.setTextAlign((Paint.Align.LEFT));
                }
            } else {
                mPaintLabel.setTextAlign(Paint.Align.CENTER);
                if (i == mStepsHorizontal.size() - 1)
                    mPaintLabel.setTextAlign(Paint.Align.RIGHT);
                if (i == 0)
                    mPaintLabel.setTextAlign(Paint.Align.LEFT);
            }

            // multiline labels
            String label = mLabelFormatter.formatLabel(e.getValue(), true);
            if (label == null) {
                label = "";
            }
            String[] lines = label.split("\n");

            // If labels are angled, calculate adjustment to line them up with the grid
            int labelWidthAdj = 0;
            if (mStyles.horizontalLabelsAngle > 0f && mStyles.horizontalLabelsAngle <= 180f) {
                Rect textBounds = new Rect();
                mPaintLabel.getTextBounds(lines[0], 0, lines[0].length(), textBounds);
                labelWidthAdj = (int) Math
                        .abs(textBounds.width() * Math.cos(Math.toRadians(mStyles.horizontalLabelsAngle)));
            }
            for (int li = 0; li < lines.length; li++) {
                // for the last line y = height
                float y = (canvas.getHeight() - mStyles.padding - getHorizontalAxisTitleHeight())
                        - (lines.length - li - 1) * getTextSize() * 1.1f + mStyles.labelsSpace;
                float x = mGraphView.getGraphContentLeft() + e.getKey();
                if (mStyles.horizontalLabelsAngle > 0 && mStyles.horizontalLabelsAngle < 90f) {
                    canvas.save();
                    canvas.rotate(mStyles.horizontalLabelsAngle, x + labelWidthAdj, y);
                    canvas.drawText(lines[li], x + labelWidthAdj, y, mPaintLabel);
                    canvas.restore();
                } else if (mStyles.horizontalLabelsAngle > 0 && mStyles.horizontalLabelsAngle <= 180f) {
                    canvas.save();
                    canvas.rotate(mStyles.horizontalLabelsAngle - 180f, x - labelWidthAdj, y);
                    canvas.drawText(lines[li], x - labelWidthAdj, y, mPaintLabel);
                    canvas.restore();
                } else {
                    canvas.drawText(lines[li], x, y, mPaintLabel);
                }
            }
        }
        i++;
    }
}