Example usage for android.graphics Canvas drawLine

List of usage examples for android.graphics Canvas drawLine

  1. HOME
  2. Java
  3. android
  4. android.graphics.*
  5. Canvas
  6. drawLine

Introduction

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

Prototype

public void drawLine(float startX, float startY, float stopX, float stopY, @NonNull Paint paint)

Source Link

Document

Draw a line segment with the specified start and stop x,y coordinates, using the specified paint.

Usage

From source file:gov.sfmta.sfpark.AnnotationsOverlay.java

public void draw(Canvas canvas, MapView mapv, boolean shadow) {
    if (shadow) {
        return;/*from   w  ww . j  a  v  a 2 s .  com*/
    }

    Projection projection = mapv.getProjection();

    Point from = new Point();
    Point to = new Point();

    Paint mPaint = new Paint();
    mPaint.setStyle(Style.STROKE);
    mPaint.setAntiAlias(true);
    mPaint.setStrokeWidth(6);
    mPaint.setStrokeCap(Paint.Cap.ROUND);

    // could have NPE:
    try {
        for (MyAnnotation a : MainScreenActivity.annotations) {
            if (a.onStreet) {
                projection.toPixels(a.nw, from);
                projection.toPixels(a.se, to);
                if (MainScreenActivity.showPrice) {
                    mPaint.setColor(a.blockColorPrice);
                    canvas.drawLine(from.x, from.y, to.x, to.y, mPaint);
                } else {
                    // new: no more availability data on blockfaces.
                    // mPaint.setColor(a.blockColorAvailability);
                }
            }
        }
    } catch (NullPointerException npe) {
        // oh sadface! just ignore.
    }

    super.draw(canvas, mapv, shadow);
}

From source file:com.shawnway.nav.app.wtw.view.PagerSlidingTabStrip.java

private void drawRectangle(Canvas canvas, final int height, View currentTab, float lineLeft, float lineRight) {
    canvas.drawRect(lineLeft, currentTab.getTop(), lineRight, currentTab.getBottom(), rectPaint);

    // draw underline

    rectPaint.setColor(underlineColor);/*  w  w w.j  av  a  2s  . co m*/
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw divider

    dividerPaint.setColor(dividerColor);
    for (int i = 0; i < tabCount - 1; i++) {
        View tab = tabsContainer.getChildAt(i);
        canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint);
    }
}

From source file:net.exclaimindustries.geohashdroid.util.KnownLocation.java

@NonNull
private Bitmap buildMarkerBitmap(@NonNull Context c) {
    // Oh, this is going to be FUN.
    int dim = c.getResources().getDimensionPixelSize(R.dimen.known_location_marker_canvas_size);
    float radius = c.getResources().getDimension(R.dimen.known_location_pin_head_radius);

    Bitmap bitmap = Bitmap.createBitmap(dim, dim, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);

    Paint paint = new Paint();
    paint.setAntiAlias(true);// w  w w.  ja  v  a  2s  .  c  o m

    KnownLocationPinData pinData = new KnownLocationPinData(c, mLocation);

    // Draw the pin line first.  That goes from the bottom-center up to
    // wherever the radius and length take us.
    float topX = Double.valueOf((dim / 2) + (pinData.getLength() * Math.cos(pinData.getAngle()))).floatValue();
    float topY = Double.valueOf(dim - (pinData.getLength() * Math.sin(pinData.getAngle()))).floatValue();
    paint.setStrokeWidth(c.getResources().getDimension(R.dimen.known_location_stroke));
    paint.setStyle(Paint.Style.STROKE);
    paint.setColor(Color.BLACK);

    canvas.drawLine(dim / 2, dim, topX, topY, paint);

    // On the top of that line, fill in a circle.
    paint.setColor(pinData.getColor());
    paint.setStyle(Paint.Style.FILL);
    canvas.drawCircle(topX, topY, radius, paint);

    // And outline it.
    paint.setColor(Color.BLACK);
    paint.setStyle(Paint.Style.STROKE);
    canvas.drawCircle(topX, topY, radius, paint);

    return bitmap;
}

From source file:net.yaly.ViewPagerDoubleIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || mTabCount == 0) {
        return;/*from w ww. ja va  2s  . c o  m*/
    }

    final int height = getHeight();
    //TODO 
    //        LogUtil.i("onDraw");
    mPaintLine.setColor(mBaseLineColor);
    mPaintLine.setStrokeWidth(4);
    //
    canvas.drawLine(0, 0, getWidth(), mIndicatorHeight, mPaintLine);
    //
    canvas.drawLine(0, getHeight(), getWidth(), getHeight() - mIndicatorHeight, mPaintLine);

    // draw divider
    if (mDividerWidth > 0) {
        mDividerPaint.setStrokeWidth(mDividerWidth);
        mDividerPaint.setColor(mDividerColor);
        for (int i = 0; i < mTabCount - 1; i++) {
            View tab = mTabsContainer.getChildAt(i);
            canvas.drawLine(tab.getRight(), mDividerPadding, tab.getRight(), height - mDividerPadding,
                    mDividerPaint);
        }
    }

    // draw underline
    if (mUnderlineHeight > 0) {
        mRectPaint.setColor(mUnderlineColor);
        canvas.drawRect(mPaddingLeft, height - mUnderlineHeight, mTabsContainer.getWidth() + mPaddingRight,
                height, mRectPaint);
    }

    // draw indicator line TODO  
    if (mIndicatorHeight > 0) {
        mRectPaint.setColor(mIndicatorColor);
        Pair<Float, Float> lines = getIndicatorCoordinates();
        //
        canvas.drawRect(lines.first + mPaddingLeft, height - mIndicatorHeight, lines.second + mPaddingLeft,
                height, mRectPaint);
        //
        canvas.drawRect(lines.first + mPaddingLeft, 0, lines.second - mPaddingLeft, mIndicatorHeight,
                mRectPaint);
        //            LogUtil.i(""+""+(height - mIndicatorHeight)+""+height+""+lines.first + mPaddingLeft+"?"+(lines.second + mPaddingLeft));
    }
}

From source file:com.xiaosu.lib.base.widget.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || mTabCount == 0) {
        return;/* w w w  . ja v a 2s  . co m*/
    }

    final int height = getHeight();
    // draw divider
    if (mDividerWidth > 0) {
        mDividerPaint.setStrokeWidth(mDividerWidth);
        mDividerPaint.setColor(mDividerColor);
        for (int i = 0; i < mTabCount - 1; i++) {
            View tab = mTabsContainer.getChildAt(i);
            canvas.drawLine(tab.getRight(), mDividerPadding, tab.getRight(), height - mDividerPadding,
                    mDividerPaint);
        }
    }

    // draw underline
    if (mUnderlineHeight > 0) {
        mRectPaint.setColor(mUnderlineColor);
        canvas.drawRect(mPaddingLeft, height - mUnderlineHeight, mTabsContainer.getWidth() + mPaddingRight,
                height, mRectPaint);
    }

    // draw indicator line
    if (mIndicatorHeight > 0) {
        mRectPaint.setColor(mIndicatorColor);
        Pair<Float, Float> lines = getIndicatorCoordinates();
        canvas.drawRect(lines.first + mPaddingLeft + mIndicatorPadding, height - mIndicatorHeight,
                lines.second + mPaddingLeft - mIndicatorPadding, height, mRectPaint);
    }
}

From source file:com.zaparound.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || mTabCount == 0) {
        return;//from w  ww  .j  ava2  s . c  o m
    }

    final int height = getHeight();
    // draw divider
    if (mDividerWidth > 0) {
        mDividerPaint.setStrokeWidth(mDividerWidth);
        mDividerPaint.setColor(mDividerColor);
        for (int i = 0; i < mTabCount; i++) {
            View tab = mTabsContainer.getChildAt(i);
            canvas.drawLine(tab.getRight(), mDividerPadding, tab.getRight(), height - mDividerPadding,
                    mDividerPaint);
            canvas.drawLine(tab.getLeft(), mDividerPadding, tab.getLeft(), height - mDividerPadding,
                    mDividerPaint);
        }
    }

    // draw underline
    if (mUnderlineHeight > 0) {
        mRectPaint.setColor(mUnderlineColor);
        canvas.drawRect(mPaddingLeft, height - mUnderlineHeight, mTabsContainer.getWidth() + mPaddingRight,
                height, mRectPaint);
    }

    // draw indicator line
    if (mIndicatorHeight > 0) {
        mRectPaint.setColor(mIndicatorColor);
        Pair<Float, Float> lines = getIndicatorCoordinates();
        canvas.drawRect(lines.first + mPaddingLeft, height - mIndicatorHeight, lines.second + mPaddingLeft,
                height - 1, mRectPaint);
    }
}

From source file:com.bei.test.view.tab.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || mTabCount == 0) {
        return;//w  w  w. j  ava 2 s  .  c  om
    }

    final int height = getHeight();
    // draw divider
    if (mDividerWidth > 0) {
        mDividerPaint.setStrokeWidth(mDividerWidth);
        mDividerPaint.setColor(mDividerColor);
        for (int i = 0; i < mTabCount - 1; i++) {
            View tab = mTabsContainer.getChildAt(i);
            canvas.drawLine(tab.getRight(), mDividerPadding, tab.getRight(), height - mDividerPadding,
                    mDividerPaint);
        }
    }

    // draw underline
    if (mUnderlineHeight > 0) {
        mRectPaint.setColor(mUnderlineColor);
        canvas.drawRect(mPaddingLeft, height - mUnderlineHeight, mTabsContainer.getWidth() + mPaddingRight,
                height, mRectPaint);
    }

    // draw indicator line
    if (mIndicatorHeight > 0) {
        mRectPaint.setColor(mIndicatorColor);
        Pair<Float, Float> lines = getIndicatorCoordinates();
        canvas.drawRect(lines.first + mPaddingLeft, height - mIndicatorHeight, lines.second + mPaddingLeft,
                height, mRectPaint);
    }
}

From source file:com.ecomnationmobile.library.Control.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || mTabCount == 0) {
        return;//  ww w  . jav  a  2 s.  co m
    }

    final int height = getHeight();
    // draw horizontal_divider
    if (mDividerWidth > 0) {
        mDividerPaint.setStrokeWidth(mDividerWidth);
        mDividerPaint.setColor(mDividerColor);
        for (int i = 0; i < mTabCount - 1; i++) {
            View tab = mTabsContainer.getChildAt(i);
            canvas.drawLine(tab.getRight(), mDividerPadding, tab.getRight(), height - mDividerPadding,
                    mDividerPaint);
        }
    }

    // draw underline
    if (mUnderlineHeight > 0) {
        mRectPaint.setColor(mUnderlineColor);
        canvas.drawRect(mPaddingLeft, height - mUnderlineHeight, mTabsContainer.getWidth() + mPaddingRight,
                height, mRectPaint);
    }

    // draw indicator line
    if (mIndicatorHeight > 0) {
        mRectPaint.setColor(mIndicatorColor);
        Pair<Float, Float> lines = getIndicatorCoordinates();
        canvas.drawRect(lines.first + mPaddingLeft, height - mIndicatorHeight, lines.second + mPaddingLeft,
                height, mRectPaint);
    }
}

From source file:com.karthikb351.vitinfo2.customwidget.TimeLineView.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    width = getWidth();//from ww  w .  java2s .  c  o m
    height = getHeight();
    cx = width / 2;
    cy = PADDING_TOP + CIRCLE_RADIUS;

    switch (widgetState) {
    case STATE_CURRENT:
        rectF.set(cx - BORDER_THICKNESS, cy - BORDER_THICKNESS, cx + BORDER_THICKNESS, cy + BORDER_THICKNESS);
        mPath.reset();
        for (int i = 0; i <= 360; i++) {
            mPath.addArc(rectF, i, 1);
        }
        canvas.drawPath(mPath, paintBorder);
    case STATE_SCHEDULED:
        rectF.set(cx - CIRCLE_RADIUS, cy - CIRCLE_RADIUS, cx + CIRCLE_RADIUS, cy + CIRCLE_RADIUS);
        mPath.reset();
        for (int i = 0; i <= 360; i += 1) {
            mPath.addArc(rectF, i, 1);
        }
        canvas.drawPath(mPath, paintRing);
        break;
    case STATE_FINISHED:
        canvas.drawCircle(cx, cy, CIRCLE_RADIUS, paintDot);
        break;
    }

    switch (widgetType) {
    case TYPE_INITIAL:
        canvas.drawLine(cx, cy + (11 * density), cx, height, paintLine);
        break;
    case TYPE_INNER:
        canvas.drawLine(cx, cy - (11 * density), cx, 0, paintLine);
        canvas.drawLine(cx, cy + (11 * density), cx, height, paintLine);
        break;
    case TYPE_END:
        canvas.drawLine(cx, cy - (11 * density), cx, 0, paintLine);
        break;
    }

}

From source file:ch.pantas.billsplitter.ui.FixedTabsView.java

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

    final int height = getHeight();

    rectPaint.setColor(indicatorColor);//w  ww.  j av a 2  s .  co m

    View currentTab = tabsContainer.getChildAt(currentTabPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    if (currentPositionOffset > 0f && currentTabPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentTabPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();

        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
    }

    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);

    dividerPaint.setColor(dividerColor);
    for (int i = 0; i < tabCount - 1; i++) {
        View tab = tabsContainer.getChildAt(i);
        canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint);
    }
}