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.ecom.consumer.customviews.HorizontalListView.java

@Override
protected void dispatchDraw(Canvas canvas) {
    canvas.save();/*from  w w w  . ja  va 2  s .  co m*/
    super.dispatchDraw(canvas);

    if (outRect != null && !mIsBeingDragged) {
        ColorDrawable drawable = new ColorDrawable(0x884193C9);// 77318fd5new
        // ColorDrawable(0x440000ff
        // &
        // Color.BLUE);
        drawable.setBounds(outRect);
        drawable.draw(canvas);
    }
    outRect = null;
    drawEdgeGlow(canvas);
    canvas.restore();
}

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From source file:org.akop.crosswords.view.CrosswordView.java

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

    if (mPuzzleBitmap != null) {
        canvas.save();/*from ww w .  ja  va2  s  .  c o  m*/
        canvas.clipRect(mContentRect);
        canvas.translate(mBitmapOffset.x, mBitmapOffset.y);
        canvas.scale(mBitmapScale, mBitmapScale);
        canvas.drawBitmap(mPuzzleBitmap, 0, 0, mBitmapPaint);

        canvas.restore();
    }
}

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From source file:com.irccloud.android.DrawerArrowDrawable.java

@Override
public void draw(Canvas canvas) {
    Rect bounds = getBounds();//from   w  ww  . j a v  a2 s  .c  o m
    final boolean isRtl = isLayoutRtl();
    // Interpolated widths of arrow bars
    final float arrowSize = lerp(mBarSize, mTopBottomArrowSize, mProgress);
    final float middleBarSize = lerp(mBarSize, mMiddleArrowSize, mProgress);
    // Interpolated size of middle bar
    final float middleBarCut = lerp(0, mBarThickness / 2, mProgress);
    // The rotation of the top and bottom bars (that make the arrow head)
    final float rotation = lerp(0, ARROW_HEAD_ANGLE, mProgress);

    // The whole canvas rotates as the transition happens
    final float canvasRotate = lerp(isRtl ? 0 : -180, isRtl ? 180 : 0, mProgress);
    final float topBottomBarOffset = lerp(mBarGap + mBarThickness, 0, mProgress);
    mPath.rewind();

    final float arrowEdge = -middleBarSize / 2;
    // draw middle bar
    mPath.moveTo(arrowEdge + middleBarCut, 0);
    mPath.rLineTo(middleBarSize - middleBarCut, 0);

    final float arrowWidth = Math.round(arrowSize * Math.cos(rotation));
    final float arrowHeight = Math.round(arrowSize * Math.sin(rotation));

    // top bar
    mPath.moveTo(arrowEdge, topBottomBarOffset);
    mPath.rLineTo(arrowWidth, arrowHeight);

    // bottom bar
    mPath.moveTo(arrowEdge, -topBottomBarOffset);
    mPath.rLineTo(arrowWidth, -arrowHeight);
    mPath.moveTo(0, 0);
    mPath.close();

    canvas.save();
    // Rotate the whole canvas if spinning, if not, rotate it 180 to get
    // the arrow pointing the other way for RTL.
    if (mSpin) {
        canvas.rotate(canvasRotate * ((mVerticalMirror ^ isRtl) ? -1 : 1), bounds.centerX(), bounds.centerY());
    } else if (isRtl) {
        canvas.rotate(180, bounds.centerX(), bounds.centerY());
    }
    canvas.translate(bounds.centerX(), bounds.centerY());
    canvas.drawPath(mPath, mPaint);

    canvas.restore();
}

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From source file:com.morninz.ninepinview.widget.NinePINView.java

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

    // draw circles around center points and connection line
    int drawnCount = mDrawnPoints.size();
    for (int j = 0; j < drawnCount; j++) {
        Point p1 = mDrawnPoints.get(j);
        canvas.drawCircle(p1.x, p1.y, mCircleRadius, mCirclePaint);
        if (j + 1 < drawnCount) {
            Point p2 = mDrawnPoints.get(j + 1);
            canvas.drawCircle(p2.x, p2.y, mCircleRadius, mCirclePaint);
            canvas.drawLine(p1.x, p1.y, p2.x, p2.y, mLinePaint);
            if (mWillDrawWrongTriangle) {
                // compute the wrong triangle's direction of this point.
                float angle = 0.f;
                if (p2.y == p1.y) {// x-axis
                    angle = p2.x > p1.x ? 0.f : 180.f;
                } else if (p2.x == p1.x) { // y-axis
                    angle = p2.y > p1.y ? 90.f : -90.f;
                } else {// in quadrants
                    double tanA = ((double) p2.y - (double) p1.y) / ((double) p2.x - (double) p1.x);
                    // in 1 or 4 quadrant
                    angle = (float) (Math.atan(tanA) * 180 / Math.PI);
                    // in 2 or 3 quadrant
                    if (p2.x < p1.x) {
                        angle += 180.f;/*from  ww  w . j  ava  2 s . c  om*/
                    }
                }
                Log.d(TAG, "angle " + angle);
                canvas.save();
                canvas.rotate(angle, p1.x, p1.y);
                canvas.drawPath(mWrongPaths[p1.index], mWrongPaint);
                canvas.restore();
            }
        }
    }

    // draw extra connection line
    if (mLastDrawnPoint != null) {
        canvas.drawLine(mLastDrawnPoint.x, mLastDrawnPoint.y, mCurrX, mCurrY, mLinePaint);
    }

    // draw 9 center points
    for (int i = 0; i < POINT_COUNT; i++) {
        Point p = mCenterPoints[i];
        canvas.drawCircle(p.x, p.y, mPointSize, mPointPaint);
    }
}

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From source file:net.networksaremadeofstring.rhybudd.RhybuddDock.java

private void drawScale(Canvas canvas, Boolean Colors, int Count, int Max) {
    RectF faceRect = new RectF();
    faceRect.set(10, 10, 190, 190);/*from  w w  w .  j a  v a2 s  .c o  m*/

    Paint scalePaint = new Paint();
    scalePaint.setStyle(Paint.Style.STROKE);
    scalePaint.setColor(getResources().getColor(R.color.WarningGreen));
    scalePaint.setStrokeWidth(1);
    scalePaint.setAntiAlias(true);

    scalePaint.setTextSize(12);
    scalePaint.setTypeface(Typeface.createFromAsset(this.getAssets(), "fonts/chivo.ttf"));
    scalePaint.setTextAlign(Paint.Align.CENTER);

    float scalePosition = 10;
    RectF scaleRect = new RectF();
    scaleRect.set(faceRect.left + scalePosition, faceRect.top + scalePosition, faceRect.right - scalePosition,
            faceRect.bottom - scalePosition);

    if (!Colors)
        scalePaint.setColor(Color.WHITE);

    scalePaint.setStrokeWidth(2);
    canvas.save(Canvas.MATRIX_SAVE_FLAG);
    for (int i = 0; i < Max; ++i) {
        if (Colors) {
            if (i > 20)
                scalePaint.setColor(getResources().getColor(R.color.WarningYellow));

            if (i > 40)
                scalePaint.setColor(getResources().getColor(R.color.WarningOrange));

            if (i > 60)
                scalePaint.setColor(getResources().getColor(R.color.WarningRed));
        }

        canvas.drawLine(100, 20, 100, 18, scalePaint);
        int divisor = 5;

        if (Max > 100)
            divisor = 25;

        if (i % divisor == 0) {
            canvas.drawText(Integer.toString(i), 100, 16, scalePaint);
        }

        canvas.rotate((360.0f / Max), 100, 100);
    }

    canvas.restore();
}

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From source file:am.widget.indicatortabstrip.IndicatorTabStrip.java

/**
 * ??//from   ww  w  .j a v  a2  s  .co  m
 *
 * @param canvas     
 * @param position   ???
 * @param itemWidth  ?
 * @param itemHeight ?
 */
protected void drawItemGradient(Canvas canvas, int position, int itemWidth, int itemHeight) {
    if (mGradient == null || !mGradient.isStateful())
        return;
    final int normalColor = mGradient.getDefaultColor();
    final int selectedColor = mGradient.getColorForState(SELECTED_STATE_SET, normalColor);
    if (position == mNextPager) {
        mTextPaint.setColor(getColor(normalColor, selectedColor, mOffset));
    } else if (position == mCurrentPager) {
        mTextPaint.setColor(getColor(normalColor, selectedColor, 1 - mOffset));
    } else {
        mTextPaint.setColor(normalColor);
    }
    final float moveX = ViewCompat.getPaddingStart(this) + (itemWidth + getIntervalWidth()) * position;
    final float moveY = getPaddingTop();
    final int restWidth = position == getItemCount() - 1 ? getLastItemWidth() : itemWidth;
    canvas.save();
    canvas.translate(moveX, moveY);
    canvas.drawRect(0, 0, restWidth, itemHeight, mTextPaint);
    canvas.restore();
}

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From source file:org.androfarsh.widget.DragGridLayout.java

private boolean drawChildDrawable(BitmapDrawable childDrawable, Canvas canvas, View child, long drawingTime) {
    canvas.save();/*from   ww w .  ja  v  a2s .  c o  m*/
    requestCurrentRect(mTmpRect, child);
    if (child.getAnimation() == null) {
        canvas.clipRect(mTmpRect);
    }

    final boolean result;
    if (mEditMode && (childDrawable != null) && !childDrawable.getBitmap().isRecycled()) {
        childDrawable.setBounds(mTmpRect);
        childDrawable.draw(canvas);
        result = false;
    } else {
        result = super.drawChild(canvas, child, drawingTime);
    }
    canvas.restore();
    return result;
}

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From source file:com.android.leanlauncher.Workspace.java

/**
 * Draw the View v into the given Canvas.
 *
 * @param v the view to draw//from w ww .  j a va  2 s .  c  o m
 * @param destCanvas the canvas to draw on
 * @param padding the horizontal and vertical padding to use when drawing
 */
private static void drawDragView(View v, Canvas destCanvas, int padding) {
    final Rect clipRect = sTempRect;
    v.getDrawingRect(clipRect);

    destCanvas.save();
    if (v instanceof TextView) {
        Drawable d = ((TextView) v).getCompoundDrawables()[1];
        Rect bounds = getDrawableBounds(d);
        clipRect.set(0, 0, bounds.width() + padding, bounds.height() + padding);
        destCanvas.translate(padding / 2 - bounds.left, padding / 2 - bounds.top);
        d.draw(destCanvas);
    } else {
        destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2);
        destCanvas.clipRect(clipRect, Op.REPLACE);
        v.draw(destCanvas);
    }
    destCanvas.restore();
}

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From source file:com.jude.easyrecyclerview.decoration.StickyHeaderDecoration.java

/**
 * {@inheritDoc}//from   w w  w.j a v  a2  s .  c  om
 */
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    if (parent.getAdapter() == null) {
        return;
    }

    final int count = parent.getChildCount();
    long previousHeaderId = -1;

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);
        int adapterPos = parent.getChildAdapterPosition(child);

        if (!mIncludeHeader) {
            if (parent.getAdapter() instanceof RecyclerArrayAdapter) {
                int headerCount = ((RecyclerArrayAdapter) parent.getAdapter()).getHeaderCount();
                int footerCount = ((RecyclerArrayAdapter) parent.getAdapter()).getFooterCount();
                int dataCount = ((RecyclerArrayAdapter) parent.getAdapter()).getCount();
                if (adapterPos < headerCount) {
                    continue;
                }
                if (adapterPos >= headerCount + dataCount) {
                    continue;
                }
                if (adapterPos >= headerCount) {
                    adapterPos -= headerCount;
                }

            }
        }

        if (adapterPos != RecyclerView.NO_POSITION && hasHeader(adapterPos)) {
            long headerId = mAdapter.getHeaderId(adapterPos);

            if (headerId != previousHeaderId) {
                previousHeaderId = headerId;
                View header = getHeader(parent, adapterPos).itemView;
                canvas.save();

                final int left = child.getLeft();
                final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
                canvas.translate(left, top);

                header.setTranslationX(left);
                header.setTranslationY(top);
                header.draw(canvas);
                canvas.restore();
            }
        }
    }
}

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From source file:com.youth.xframe.adapter.decoration.StickyHeaderDecoration.java

/**
 * {@inheritDoc}//w w  w .j  ava  2 s . c o m
 */
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    if (parent.getAdapter() == null) {
        return;
    }

    final int count = parent.getChildCount();
    long previousHeaderId = -1;

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);
        int adapterPos = parent.getChildAdapterPosition(child);

        if (!mIncludeHeader) {
            if (parent.getAdapter() instanceof XRecyclerViewAdapter) {
                int headerCount = ((XRecyclerViewAdapter) parent.getAdapter()).getHeaderCount();
                int footerCount = ((XRecyclerViewAdapter) parent.getAdapter()).getFooterCount();
                int dataCount = ((XRecyclerViewAdapter) parent.getAdapter()).getDataCount();
                if (adapterPos < headerCount) {
                    continue;
                }
                if (adapterPos >= headerCount + dataCount) {
                    continue;
                }
                if (adapterPos >= headerCount) {
                    adapterPos -= headerCount;
                }

            }
        }

        if (adapterPos != RecyclerView.NO_POSITION && hasHeader(adapterPos)) {
            long headerId = mAdapter.getHeaderId(adapterPos);

            if (headerId != previousHeaderId) {
                previousHeaderId = headerId;
                View header = getHeader(parent, adapterPos).itemView;
                canvas.save();

                final int left = child.getLeft();
                final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
                canvas.translate(left, top);

                header.setTranslationX(left);
                header.setTranslationY(top);
                header.draw(canvas);
                canvas.restore();
            }
        }
    }
}

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