Example usage for android.graphics Canvas rotate

Introduction

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

Prototype

public final void rotate(float degrees, float px, float py) 

Source Link

Document

Preconcat the current matrix with the specified rotation.

Usage

From source file:com.handmark.pulltorefresh.library.internal.LoadingLayout.java

private void rotateArrow() {
    final Drawable drawable = mHeaderArrow.getDrawable();
    final Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
            Config.ARGB_8888);// w  w w  . j  a  v a 2 s  .  c  o m
    final Canvas canvas = new Canvas(bitmap);
    canvas.save();
    canvas.rotate(180.0f, canvas.getWidth() / 2.0f, canvas.getHeight() / 2.0f);
    drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
    drawable.draw(canvas);
    canvas.restore();
    mHeaderArrow.setImageBitmap(bitmap);
}

---

From source file:com.byagowi.persiancalendar.view.QiblaCompassView.java

public void drawQibla(Canvas canvas) {

    canvas.rotate((float) qiblaInfo.getHeading() - 360, px, py);
    qiblaPaint.reset();/*  www  .j a va  2  s.c  om*/
    qiblaPaint.setColor(Color.GREEN);
    qiblaPaint.setStyle(Paint.Style.FILL_AND_STROKE);
    qiblaPaint.setPathEffect(dashPath);
    qiblaPaint.setStrokeWidth(5.5f);

    canvas.drawLine(px, py - Radius, px, py + Radius, qiblaPaint);
    qiblaPaint.setPathEffect(null);
    canvas.drawBitmap(kaaba, px - kaaba.getWidth() / 2, py - Radius - kaaba.getHeight() / 2, qiblaPaint);
    canvas.restore();

}

---

From source file:io.github.sin3hz.wifispinnerview.WifiSpinnerDrawable.java

@Override
public void draw(Canvas canvas) {
    canvas.save();//  w  w w  . j av  a2s  . c o  m
    canvas.rotate(mGlobalAngle, mBounds.centerX(), mBounds.centerY());
    for (int i = 0; i < mSpinnerCount; i++) {
        canvas.drawPath(mSpinners[i].path, mSpinners[i].paint);
    }
    canvas.restore();
}

---

From source file:com.hippo.widget.ProgressView.java

@Override
protected void onDraw(Canvas canvas) {
    int saved = canvas.save();
    canvas.rotate(mTrimRotation, mRectF.centerX(), mRectF.centerY());

    float startAngle = (mTrimStart + mTrimOffset) * 360.0f - 90;
    float sweepAngle = (mTrimEnd - mTrimStart) * 360.0f;
    canvas.drawArc(mRectF, startAngle, sweepAngle, false, mPaint);

    canvas.restoreToCount(saved);/*from   w  w  w  .  j a  v a 2 s  .co m*/

    if (mShouldStartAnimationDrawable) {
        mShouldStartAnimationDrawable = false;
        startAnimationActually();
    }
}

---

From source file:com.yanzhenjie.album.widget.loading.LevelLoadingRenderer.java

@Override
protected void draw(Canvas canvas) {
    int saveCount = canvas.save();

    mTempBounds.set(mBounds);//  w ww.j  a  v a  2  s  . c  om
    mTempBounds.inset(mStrokeInset, mStrokeInset);
    canvas.rotate(mGroupRotation, mTempBounds.centerX(), mTempBounds.centerY());

    for (int i = 0; i < 3; i++) {
        if (mLevelSwipeDegrees[i] != 0) {
            mPaint.setColor(mLevelColors[i]);
            canvas.drawArc(mTempBounds, mEndDegrees, mLevelSwipeDegrees[i], false, mPaint);
        }
    }

    canvas.restoreToCount(saveCount);
}

---

From source file:android.support.design.widget.ShadowDrawableWrapper.java

private void drawShadow(Canvas canvas) {
    final int rotateSaved = canvas.save();
    canvas.rotate(mRotation, mContentBounds.centerX(), mContentBounds.centerY());

    final float edgeShadowTop = -mCornerRadius - mShadowSize;
    final float shadowOffset = mCornerRadius;
    final boolean drawHorizontalEdges = mContentBounds.width() - 2 * shadowOffset > 0;
    final boolean drawVerticalEdges = mContentBounds.height() - 2 * shadowOffset > 0;

    final float shadowOffsetTop = mRawShadowSize - (mRawShadowSize * SHADOW_TOP_SCALE);
    final float shadowOffsetHorizontal = mRawShadowSize - (mRawShadowSize * SHADOW_HORIZ_SCALE);
    final float shadowOffsetBottom = mRawShadowSize - (mRawShadowSize * SHADOW_BOTTOM_SCALE);

    final float shadowScaleHorizontal = shadowOffset / (shadowOffset + shadowOffsetHorizontal);
    final float shadowScaleTop = shadowOffset / (shadowOffset + shadowOffsetTop);
    final float shadowScaleBottom = shadowOffset / (shadowOffset + shadowOffsetBottom);

    // LT// w  w  w.j  a  v  a2s. c om
    int saved = canvas.save();
    canvas.translate(mContentBounds.left + shadowOffset, mContentBounds.top + shadowOffset);
    canvas.scale(shadowScaleHorizontal, shadowScaleTop);
    canvas.drawPath(mCornerShadowPath, mCornerShadowPaint);
    if (drawHorizontalEdges) {
        // TE
        canvas.scale(1f / shadowScaleHorizontal, 1f);
        canvas.drawRect(0, edgeShadowTop, mContentBounds.width() - 2 * shadowOffset, -mCornerRadius,
                mEdgeShadowPaint);
    }
    canvas.restoreToCount(saved);
    // RB
    saved = canvas.save();
    canvas.translate(mContentBounds.right - shadowOffset, mContentBounds.bottom - shadowOffset);
    canvas.scale(shadowScaleHorizontal, shadowScaleBottom);
    canvas.rotate(180f);
    canvas.drawPath(mCornerShadowPath, mCornerShadowPaint);
    if (drawHorizontalEdges) {
        // BE
        canvas.scale(1f / shadowScaleHorizontal, 1f);
        canvas.drawRect(0, edgeShadowTop, mContentBounds.width() - 2 * shadowOffset,
                -mCornerRadius + mShadowSize, mEdgeShadowPaint);
    }
    canvas.restoreToCount(saved);
    // LB
    saved = canvas.save();
    canvas.translate(mContentBounds.left + shadowOffset, mContentBounds.bottom - shadowOffset);
    canvas.scale(shadowScaleHorizontal, shadowScaleBottom);
    canvas.rotate(270f);
    canvas.drawPath(mCornerShadowPath, mCornerShadowPaint);
    if (drawVerticalEdges) {
        // LE
        canvas.scale(1f / shadowScaleBottom, 1f);
        canvas.drawRect(0, edgeShadowTop, mContentBounds.height() - 2 * shadowOffset, -mCornerRadius,
                mEdgeShadowPaint);
    }
    canvas.restoreToCount(saved);
    // RT
    saved = canvas.save();
    canvas.translate(mContentBounds.right - shadowOffset, mContentBounds.top + shadowOffset);
    canvas.scale(shadowScaleHorizontal, shadowScaleTop);
    canvas.rotate(90f);
    canvas.drawPath(mCornerShadowPath, mCornerShadowPaint);
    if (drawVerticalEdges) {
        // RE
        canvas.scale(1f / shadowScaleTop, 1f);
        canvas.drawRect(0, edgeShadowTop, mContentBounds.height() - 2 * shadowOffset, -mCornerRadius,
                mEdgeShadowPaint);
    }
    canvas.restoreToCount(saved);

    canvas.restoreToCount(rotateSaved);
}

---

From source file:com.byagowi.persiancalendar.view.QiblaCompassView.java

public void drawSun(Canvas canvas) {
    sunPaint.reset();//w w w  .j  a  v a  2s  .  co  m
    sunPaint.setColor(Color.YELLOW);
    sunPaint.setStyle(Paint.Style.FILL_AND_STROKE);
    // Horizontal sunPosition = new Horizontal(225, 45);

    if (sunPosition.getElevation() > -10) {
        canvas.rotate((float) sunPosition.getAzimuth() - 360, px, py);
        sunPaint.setPathEffect(dashPath);

        int ry = (int) (((90 - sunPosition.getElevation()) / 90) * Radius);
        canvas.drawCircle(px, py - ry, r, sunPaint);
        dashedPaint.setColor(Color.YELLOW);
        canvas.drawLine(px, py - Radius, px, py + Radius, dashedPaint);
        sunPaint.setPathEffect(null);
        canvas.restore();
    }

}

---

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

private void drawGaugeNeedle(Canvas canvas, int count, int Scale) {
    canvas.save(Canvas.MATRIX_SAVE_FLAG);
    float divisor = 360.0f / Scale;

    canvas.rotate((float) (divisor * count), 100, 100);

    //Inside/*w w w .jav  a 2 s.  c o  m*/
    Paint needleInsidePaint = new Paint();
    needleInsidePaint.setStyle(Paint.Style.FILL_AND_STROKE);
    needleInsidePaint.setColor(Color.WHITE);
    needleInsidePaint.setStrokeWidth(4);
    needleInsidePaint.setAntiAlias(true);

    Paint needleEdgePaint = new Paint();
    needleEdgePaint.setStyle(Paint.Style.STROKE);
    needleEdgePaint.setColor(Color.DKGRAY);
    needleEdgePaint.setStrokeWidth(0.5f);
    needleEdgePaint.setAntiAlias(true);

    canvas.drawOval(new RectF(95, 95, 105, 105), needleInsidePaint);
    canvas.drawOval(new RectF(95, 96, 105, 105), needleEdgePaint);

    Path needleInside = new Path();
    needleInside.moveTo(98, 98);
    needleInside.lineTo(100, 20);
    needleInside.lineTo(102, 102);
    canvas.drawPath(needleInside, needleInsidePaint);

    Path needleEdge = new Path();
    needleInside.moveTo(99, 99);
    needleInside.lineTo(99, 19);
    needleInside.lineTo(103, 103);

    canvas.drawPath(needleEdge, needleEdgePaint);
    canvas.restore();
}

---

From source file:com.example.waitou.rxjava.LoadingView.java

@Override
protected void onDraw(Canvas canvas) {
    if (!mIsAnimatorCancel) {
        final Rect bounds = getBounds();
        final int saveCount = canvas.save();
        canvas.rotate(mRotation * 360, bounds.exactCenterX(), bounds.exactCenterY());
        drawRing(canvas, bounds);/*from   w  w  w.ja v  a 2 s  . c o  m*/
        canvas.restoreToCount(saveCount);
    } else {
        canvas.restore();
    }
}

---

From source file:com.byagowi.persiancalendar.view.QiblaCompassView.java

@Override
protected void onDraw(Canvas canvas) {
    this.Radius = Math.min(px, py);
    this.r = Radius / 10; // Sun Moon radius;
    // over here//w  w  w  . j av a 2s . c o  m
    qiblaInfo = sunMoonPosition.getDestinationHeading();
    textPaint.setTextAlign(Paint.Align.LEFT);
    textPaint.setColor(ContextCompat.getColor(getContext(), (R.color.qibla_color)));
    canvas.rotate(-bearing, px, py);// Attach and Detach capability lies
    canvas.save();
    drawDial(canvas);
    if (isLongLatAvailable()) {
        canvas.save();
        drawQibla(canvas);
    }
    canvas.save();
    drawTrueNorthArrow(canvas, bearing);
    if (isLongLatAvailable()) {
        canvas.save();
        drawMoon(canvas);
        canvas.save();
        drawSun(canvas);
    }
    canvas.save();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• »