Example usage for android.graphics Canvas drawRect

Introduction

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

Prototype

public void drawRect(float left, float top, float right, float bottom, @NonNull Paint paint) 

Source Link

Document

Draw the specified Rect using the specified paint.

Usage

From source file:com.kmagic.solitaire.DrawMaster.java

/**
 * Draw light shade background//  www . j a va  2  s .  c om
 * @param canvas canvas to draw on
 */
public void drawLightShade(final Canvas canvas) {
    canvas.drawRect(0, 0, mScreenWidth, mScreenHeight, mLightShadePaint);
}

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

private void drawNormalUnderLine(Canvas canvas, int height, View currentTab, float lineLeft, float lineRight) {
    canvas.drawRect(lineLeft, height * (1 - indicatorHeight), lineRight, height, rectPaint);

    // draw underline

    rectPaint.setColor(underlineColor);//from w  ww  .j  a va2s . c om
    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);
    }
}

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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);//from  www .j  a  v a 2  s. 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);
    }
}

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From source file:com.hobby.uiframework.widget.PagerSlidingTab.java

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

    if (isInEditMode() || tabCount == 0) {
        return;/*from w  w  w  .java2 s. co m*/
    }

    final int height = getHeight();

    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw indicator line
    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    // if there is an offset, start interpolating left and right coordinates
    // between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {

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

        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
    }
    if (lineIndicator) {
        canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);
    } else {
        rectPaint.setStyle(Style.FILL);
        Path path = new Path();
        float mid = (lineLeft + lineRight) * 0.5f;
        float triangleheight = getContext().getResources().getDimension(R.dimen.indicator_triangle_height);
        float left = mid - triangleheight;
        float right = mid + triangleheight;
        path.moveTo(left, height);
        path.lineTo(mid, height - triangleheight);
        path.lineTo(right, height);
        path.close();
        canvas.drawPath(path, 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);
    }
}

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From source file:com.mwm.loyal.libs.zxing.ViewfinderView.java

@SuppressLint("DrawAllocation")
@Override/*from   w  w w . j a  va2 s  . c om*/
public void onDraw(Canvas canvas) {
    if (cameraManager == null) {
        return; // not ready yet, early draw before done configuring
    }
    Rect frame = cameraManager.getFramingRect();
    Rect previewFrame = cameraManager.getFramingRectInPreview();
    if (frame == null || previewFrame == null) {
        return;
    }
    int width = canvas.getWidth();
    int height = canvas.getHeight();

    // Draw the exterior (i.e. outside the framing rect) darkened
    paint.setColor(resultBitmap != null ? resultColor : maskColor);
    canvas.drawRect(0, 0, width, frame.top, paint);
    canvas.drawRect(0, frame.top, frame.left, frame.bottom + 1, paint);
    canvas.drawRect(frame.right + 1, frame.top, width, frame.bottom + 1, paint);
    canvas.drawRect(0, frame.bottom + 1, width, height, paint);

    if (resultBitmap != null) {
        // Draw the opaque result bitmap over the scanning rectangle
        paint.setAlpha(CURRENT_POINT_OPACITY);
        canvas.drawBitmap(resultBitmap, null, frame, paint);
    } else {

        // Draw a red "laser scanner" line through the middle to permissionDialog decoding is active
        paint.setColor(laserColor);
        paint.setAlpha(SCANNER_ALPHA[scannerAlpha]);
        scannerAlpha = (scannerAlpha + 1) % SCANNER_ALPHA.length;
        int middle = frame.height() / 2 + frame.top;
        canvas.drawRect(frame.left + 2, middle - 1, frame.right - 1, middle + 2, paint);

        float scaleX = frame.width() / (float) previewFrame.width();
        float scaleY = frame.height() / (float) previewFrame.height();

        List<ResultPoint> currentPossible = possibleResultPoints;
        List<ResultPoint> currentLast = lastPossibleResultPoints;
        int frameLeft = frame.left;
        int frameTop = frame.top;
        if (currentPossible.isEmpty()) {
            lastPossibleResultPoints = null;
        } else {
            possibleResultPoints = new ArrayList<>(5);
            lastPossibleResultPoints = currentPossible;
            paint.setAlpha(CURRENT_POINT_OPACITY);
            paint.setColor(resultPointColor);
            synchronized (currentPossible) {
                for (ResultPoint point : currentPossible) {
                    canvas.drawCircle(frameLeft + (int) (point.getX() * scaleX),
                            frameTop + (int) (point.getY() * scaleY), POINT_SIZE, paint);
                }
            }
        }
        if (currentLast != null) {
            paint.setAlpha(CURRENT_POINT_OPACITY / 2);
            paint.setColor(resultPointColor);
            synchronized (currentLast) {
                float radius = POINT_SIZE / 2.0f;
                for (ResultPoint point : currentLast) {
                    canvas.drawCircle(frameLeft + (int) (point.getX() * scaleX),
                            frameTop + (int) (point.getY() * scaleY), radius, paint);
                }
            }
        }

        // Request another update at the animation interval, but only repaint the laser line,
        // not the entire viewfinder mask.
        postInvalidateDelayed(ANIMATION_DELAY, frame.left - POINT_SIZE, frame.top - POINT_SIZE,
                frame.right + POINT_SIZE, frame.bottom + POINT_SIZE);
    }
}

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From source file:cn.bingoogol.tabhost.ui.view.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || tabCount == 0) {
        return;//from   ww  w  .j  a v  a 2  s.  c o m
    }
    final int height = getHeight();
    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);
    // draw indicator line
    rectPaint.setColor(indicatorColor);
    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();
    // if there is an offset, start interpolating left and right coordinates between
    // current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {
        View nextTab = tabsContainer.getChildAt(currentPosition + 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);
    // 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);
    }
}

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From source file:com.example.accessibility.ListenerView.java

@Override
public void onDraw(Canvas canvas) {

    paintWhite.setStrokeWidth(4);//from   w  w w .j av  a  2 s.c  o  m
    paintWhite.setARGB(128, 255, 255, 255);
    paintWhite.setStyle(Paint.Style.FILL_AND_STROKE);
    paintWhite.setAntiAlias(true);

    paintBlack.setStrokeWidth(4);
    paintBlack.setARGB(128, 0, 0, 0);
    paintBlack.setStyle(Paint.Style.FILL_AND_STROKE);
    paintBlack.setAntiAlias(true);

    int left = getPaddingLeft();
    //int top = getPaddingTop();
    int right = getWidth() - getPaddingRight();
    int bottom = getHeight() - getPaddingBottom();

    //-----------------------------------------------------------------------------//
    //Drawing general buttons
    canvas.drawRect(right - 80, bottom - 90, right, bottom - 10, paintWhite);
    canvas.drawRect(right - 70, bottom - 55, right - 10, bottom - 20, paintBlack);
    canvas.drawRect(left, bottom - 90, left + 80, bottom - 10, paintWhite);

    a.set(right - 70, bottom - 55);
    b.set(right - 10, bottom - 55);
    c.set(right - 40, bottom - 80);
    path.moveTo(a.x, a.y);
    path.lineTo(b.x, b.y);
    path.lineTo(c.x, c.y);
    path.lineTo(a.x, a.y);
    path.close();
    canvas.drawPath(path, paintBlack);

    paintBlack.setStyle(Paint.Style.STROKE);
    canvas.drawRect(left + 30, bottom - 40, left + 60, bottom - 40, paintBlack);
    oval.set(left + 50, bottom - 60, left + 70, bottom - 40);
    canvas.drawArc(oval, 270, 180, true, paintBlack);
    canvas.drawRect(left + 10, bottom - 60, left + 60, bottom - 60, paintBlack);
    //canvas.drawRect(left+10, bottom-70, left+20, bottom-60, paintBlack);
    //canvas.drawRect(left+10, bottom-60, left+20, bottom-50, paintBlack);         
    a.set(left + 20, bottom - 50);
    b.set(left + 10, bottom - 60);
    c.set(left + 20, bottom - 70);
    path.moveTo(a.x, a.y);
    path.lineTo(b.x, b.y);
    path.moveTo(b.x, b.y);
    path.lineTo(c.x, c.y);
    canvas.drawPath(path, paintBlack);
    paintBlack.setStyle(Paint.Style.FILL_AND_STROKE);

}

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From source file:com.popdeem.sdk.uikit.widget.PDUIBezelImageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (mBounds == null) {
        return;/*from  w  ww . j  av  a2 s. c om*/
    }

    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;
        }

        Canvas cacheCanvas = new Canvas(mCacheBitmap);
        if (mMaskDrawable != null) {
            int sc = cacheCanvas.save();
            mMaskDrawable.draw(cacheCanvas);
            mMaskedPaint.setColorFilter((mDesaturateOnPress && isPressed()) ? mDesaturateColorFilter : null);
            cacheCanvas.saveLayer(mBoundsF, mMaskedPaint, Canvas.ALL_SAVE_FLAG);
            super.onDraw(cacheCanvas);
            cacheCanvas.restoreToCount(sc);
        } else if (mDesaturateOnPress && isPressed()) {
            int sc = cacheCanvas.save();
            cacheCanvas.drawRect(0, 0, mCachedWidth, mCachedHeight, mBlackPaint);
            mMaskedPaint.setColorFilter(mDesaturateColorFilter);
            cacheCanvas.saveLayer(mBoundsF, mMaskedPaint, Canvas.ALL_SAVE_FLAG);
            super.onDraw(cacheCanvas);
            cacheCanvas.restoreToCount(sc);
        } else {
            super.onDraw(cacheCanvas);
        }

        if (mBorderDrawable != null) {
            mBorderDrawable.draw(cacheCanvas);
        }
    }

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

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From source file:com.github.shareme.gwsmaterialuikit.library.material.widget.TabPageIndicator.java

@Override
public void draw(@NonNull Canvas canvas) {
    super.draw(canvas);

    int x = mIndicatorOffset + getPaddingLeft();
    int y = mIndicatorAtTop ? 0 : getHeight() - mIndicatorHeight;
    canvas.drawRect(x, y, x + mIndicatorWidth, y + mIndicatorHeight, mPaint);

    if (isInEditMode())
        canvas.drawRect(getPaddingLeft(), y, getPaddingLeft() + mTabContainer.getChildAt(0).getWidth(),
                y + mIndicatorHeight, mPaint);
}

---

From source file:com.ljz.base.widget.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0) {
        return;//from  w w w  .ja va 2 s .c o  m
    }

    final int height = getHeight();

    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw indicator line
    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    // if there is an offset, onStart interpolating left and right coordinates between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 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);

    // 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);
    }
}

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