protected override void OnDraw(Canvas canvas)
{
Android.Graphics.Drawable.Drawable drawable = GetDrawable();
if (drawable is BitmapDrawable)
{
RectF rectF = new RectF(drawable.GetBounds());
int restoreCount = canvas.SaveLayer(rectF, null, Canvas.AllSaveFlag);
GetImageMatrix().MapRect(rectF);
Paint paint = ((BitmapDrawable)drawable).GetPaint();
paint.SetAntiAlias(true);
paint.SetColor(unchecked((int)(0xff000000)));
canvas.DrawARGB(0, 0, 0, 0);
canvas.DrawRoundRect(rectF, Radius, Radius, paint);
Xfermode restoreMode = paint.GetXfermode();
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcIn));
base.OnDraw(canvas);
// Restore paint and canvas
paint.SetXfermode(restoreMode);
canvas.RestoreToCount(restoreCount);
}
else
{
base.OnDraw(canvas);
}
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
for (int i = 0; i < mBallCount; i++)
{
if (i == mSwapIndex)
{
mPaint.SetStyle(Paint.Style.Fill);
canvas.DrawCircle(mBallSideOffsets + mBallRadius * (i * 2 + 1) + i * mBallInterval + mSwapBallOffsetX, mBallCenterY - mSwapBallOffsetY, mBallRadius, mPaint);
}
else if (i == (mSwapIndex + 1) % mBallCount)
{
mPaint.SetStyle(Paint.Style.Stroke);
canvas.DrawCircle(mBallSideOffsets + mBallRadius * (i * 2 + 1) + i * mBallInterval - mSwapBallOffsetX, mBallCenterY + mSwapBallOffsetY, mBallRadius - mStrokeWidth / 2, mPaint);
}
else
{
mPaint.SetStyle(Paint.Style.Stroke);
canvas.DrawCircle(mBallSideOffsets + mBallRadius * (i * 2 + 1) + i * mBallInterval, mBallCenterY, mBallRadius - mStrokeWidth / 2, mPaint);
}
}
canvas.RestoreToCount(saveCount);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
for (int i = 1; i < mBallCount - 1; i++)
{
mPaint.Alpha = MAX_ALPHA;
canvas.DrawCircle(mBallRadius * (i * 2 - 1) + mBallSideOffsets, mBallCenterY, mBallRadius, mPaint);
mOvalRect.Set(mBallRadius * (i * 2 - 2) + mBallSideOffsets, Height - mOvalVerticalRadius * 2, mBallRadius * (i * 2) + mBallSideOffsets, Height);
mPaint.Alpha = OVAL_ALPHA;
canvas.DrawOval(mOvalRect, mPaint);
}
//draw the first ball
mPaint.Alpha = MAX_ALPHA;
canvas.DrawCircle(mBallSideOffsets - mBallRadius - mLeftBallMoveXOffsets, mBallCenterY - mLeftBallMoveYOffsets, mBallRadius, mPaint);
mOvalRect.Set(mBallSideOffsets - mBallRadius - mBallRadius * mLeftOvalShapeRate - mLeftBallMoveXOffsets, Height - mOvalVerticalRadius - mOvalVerticalRadius * mLeftOvalShapeRate, mBallSideOffsets - mBallRadius + mBallRadius * mLeftOvalShapeRate - mLeftBallMoveXOffsets, Height - mOvalVerticalRadius + mOvalVerticalRadius * mLeftOvalShapeRate);
mPaint.Alpha = OVAL_ALPHA;
canvas.DrawOval(mOvalRect, mPaint);
//draw the last ball
mPaint.Alpha = MAX_ALPHA;
canvas.DrawCircle(mBallRadius * (mBallCount * 2 - 3) + mBallSideOffsets + mRightBallMoveXOffsets, mBallCenterY - mRightBallMoveYOffsets, mBallRadius, mPaint);
mOvalRect.Set(mBallRadius * (mBallCount * 2 - 3) - mBallRadius * mRightOvalShapeRate + mBallSideOffsets + mRightBallMoveXOffsets, Height - mOvalVerticalRadius - mOvalVerticalRadius * mRightOvalShapeRate, mBallRadius * (mBallCount * 2 - 3) + mBallRadius * mRightOvalShapeRate + mBallSideOffsets + mRightBallMoveXOffsets, Height - mOvalVerticalRadius + mOvalVerticalRadius * mRightOvalShapeRate);
mPaint.Alpha = OVAL_ALPHA;
canvas.DrawOval(mOvalRect, mPaint);
canvas.RestoreToCount(saveCount);
}
protected override void OnDraw (Canvas canvas)
{
int sc = canvas.SaveLayer(mBoundsF, mCopyPaint, SaveFlags.HasAlphaLayer | SaveFlags.FullColorLayer);
mMaskDrawable.Draw(canvas);
canvas.SaveLayer(mBoundsF, mMaskedPaint, 0);
base.OnDraw(canvas);
canvas.RestoreToCount(sc);
mBorderDrawable.Draw(canvas);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int SaveCount = canvas.Save();
RectF arcBounds = mCurrentBounds;
arcBounds.Set(bounds);
//Draw background
canvas.DrawColor(new Color(mCurrentBackgroundColor));
//Draw reveal circle
if (mRevealCircleRadius > 0)
{
mPaint.Color = new Color(mCurrentBackgroundColor == mBackgroundColor ? mBackgroundDeepColor : mBackgroundColor);
canvas.DrawCircle(arcBounds.CenterX(), arcBounds.CenterY(), mRevealCircleRadius, mPaint);
}
//Draw mother oval
mPaint.Color = new Color(mCurrentOvalColor);
int motherSaveCount = canvas.Save();
canvas.Rotate(mRotateDegrees, mMotherPosition[0], mMotherPosition[1]);
canvas.DrawPath(CreateMotherPath(), mPaint);
canvas.DrawPath(CreateLinkPath(), mPaint);
canvas.RestoreToCount(motherSaveCount);
int childSaveCount = canvas.Save();
canvas.Rotate(mRotateDegrees, mChildPosition[0], mChildPosition[1]);
canvas.DrawPath(CreateChildPath(), mPaint);
canvas.RestoreToCount(childSaveCount);
canvas.RestoreToCount(SaveCount);
// canvas.DrawPath(mMotherMovePath, mPaint);
// canvas.DrawPath(mChildMovePath, mPaint);
// canvas.DrawLine(mMotherPosition[0], mMotherPosition[1], mChildPosition[0], mChildPosition[1], mPaint);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
mTempBounds.Set(Bounds);
mTempBounds.Inset(mStrokeInset, mStrokeInset);
canvas.Rotate(mGroupRotation, mTempBounds.CenterX(), mTempBounds.CenterY());
if (mSwipeDegrees != 0)
{
mPaint.Color = new Color(mCurrentColor);
canvas.DrawArc(mTempBounds, mStartDegrees, mSwipeDegrees, false, mPaint);
}
canvas.RestoreToCount(saveCount);
}
protected override bool DrawChild(Canvas canvas, View child, long drawingTime)
{
if(!ClipOutlines && Target != null)
return base.DrawChild(canvas, child, drawingTime);
var state = canvas.Save();
RevealPath.Reset();
RevealPath.AddCircle(CentreX, CentreY, getRadius(), Path.Direction.Cw);
canvas.ClipPath(RevealPath);
var isInvalid = base.DrawChild(canvas, child, drawingTime);
canvas.RestoreToCount(state);
return isInvalid;
}
protected override void Draw(Canvas canvas, Rect bounds)
{
RectF arcBounds = mTempBounds;
arcBounds.Set(bounds);
arcBounds.Inset(mStrokeInset, mStrokeInset);
mCurrentBounds.Set(arcBounds);
int saveCount = canvas.Save();
//draw circle trim
float startAngle = (mStartTrim + mRotation) * 360;
float endAngle = (mEndTrim + mRotation) * 360;
float sweepAngle = endAngle - startAngle;
if (sweepAngle != 0)
{
mPaint.Color = new Color(mColor);
mPaint.SetStyle(Paint.Style.Stroke);
canvas.DrawArc(arcBounds, startAngle, sweepAngle, false, mPaint);
}
//draw water wave
if (mWaveProgress < 1.0f)
{
var nColor = new Color(mColor);
mPaint.Color = Color.Argb((int)(Color.GetAlphaComponent(mColor) * (1.0f - mWaveProgress)), Color.GetRedComponent(mColor), Color.GetGreenComponent(mColor), Color.GetBlueComponent(mColor));
mPaint.SetStyle(Paint.Style.Stroke);
float radius = Math.Min(arcBounds.Width(), arcBounds.Height()) / 2.0f;
canvas.DrawCircle(arcBounds.CenterX(), arcBounds.CenterY(), radius * (1.0f + mWaveProgress), mPaint);
}
//draw ball bounce
if (mPathMeasure != null)
{
mPaint.Color = new Color(mBallColor);
mPaint.SetStyle(Paint.Style.Fill);
canvas.DrawCircle(mCurrentPosition[0], mCurrentPosition[1], mSkipBallSize * mScale, mPaint);
}
canvas.RestoreToCount(saveCount);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
mTempBounds.Set(Bounds);
mTempBounds.Inset(mStrokeInset, mStrokeInset);
canvas.Rotate(mGroupRotation, mTempBounds.CenterX(), mTempBounds.CenterY());
for (int i = 0; i < 3; i++)
{
if (mLevelSwipeDegrees[i] != 0)
{
mPaint.Color = new Color(mLevelColors[i]);
canvas.DrawArc(mTempBounds, mEndDegrees, mLevelSwipeDegrees[i], false, mPaint);
}
}
canvas.RestoreToCount(saveCount);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
mTempBounds.Set(bounds);
mTempBounds.Inset(mStrokeInset, mStrokeInset);
mCurrentBounds.Set(mTempBounds);
float outerCircleRadius = Math.Min(mTempBounds.Height(), mTempBounds.Width()) / 2.0f;
float interCircleRadius = outerCircleRadius / 2.0f;
float centerRingWidth = interCircleRadius - mStrokeWidth / 2;
mPaint.SetStyle(Paint.Style.Stroke);
mPaint.Color = new Color(mColor);
mPaint.StrokeWidth = mStrokeWidth;
canvas.DrawCircle(mTempBounds.CenterX(), mTempBounds.CenterY(), outerCircleRadius, mPaint);
mPaint.SetStyle(Paint.Style.Fill);
canvas.DrawCircle(mTempBounds.CenterX(), mTempBounds.CenterY(), interCircleRadius * mScale, mPaint);
if (mRotation != 0)
{
mPaint.Color = new Color(mArcColor);
mPaint.SetStyle(Paint.Style.Stroke);
//strokeWidth / 2.0f + mStrokeWidth / 2.0f is the center of the inter circle width
mTempBounds.Inset(centerRingWidth / 2.0f + mStrokeWidth / 2.0f, centerRingWidth / 2.0f + mStrokeWidth / 2.0f);
mPaint.StrokeWidth = centerRingWidth;
canvas.DrawArc(mTempBounds, RING_START_ANGLE, mRotation, false, mPaint);
}
mPaint.Color = new Color(mColor);
mPaint.SetStyle(Paint.Style.Fill);
for (int i = 0; i < NUM_POINTS; i++)
{
canvas.Rotate(i * DANCE_INTERVAL_ANGLE, POINT_X[i], POINT_Y[i]);
RectF rectF = new RectF(POINT_X[i] - mDanceBallRadius - mShapeChangeWidth / 2.0f, POINT_Y[i] - mDanceBallRadius - mShapeChangeHeight / 2.0f, POINT_X[i] + mDanceBallRadius + mShapeChangeWidth / 2.0f, POINT_Y[i] + mDanceBallRadius + mShapeChangeHeight / 2.0f);
canvas.DrawOval(rectF, mPaint);
canvas.Rotate(-i * DANCE_INTERVAL_ANGLE, POINT_X[i], POINT_Y[i]);
}
canvas.RestoreToCount(saveCount);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
RectF arcBounds = mTempBounds;
arcBounds.Set(bounds);
mPaint.Color = new Color(mColor);
mPaint.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(CreateLeftEyeCircle(arcBounds, mLeftEyeCircleOffsetY), mPaint);
canvas.DrawPath(CreateRightEyeCircle(arcBounds, mRightEyeCircleOffsetY), mPaint);
mPaint.SetStyle(Paint.Style.Fill);
//create left eye ball
canvas.DrawOval(CreateLeftEyeBall(arcBounds, mLeftEyeBallOffsetY), mPaint);
//create right eye ball
canvas.DrawOval(CreateRightEyeBall(arcBounds, mRightEyeBallOffsetY), mPaint);
canvas.RestoreToCount(saveCount);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
mTempBounds.Set(Bounds);
mTempBounds.Inset(mStrokeInSet, mStrokeInSet);
canvas.Rotate(mGroupRotation, mTempBounds.CenterX(), mTempBounds.CenterY());
if (mSwipeDegrees != 0)
{
for (int i = 0; i < mColors.Length; i++)
{
mPaint.StrokeWidth = mStrokeWidth / (i + 1);
mPaint.Color = new Color(mColors[i]);
canvas.DrawArc(CreateArcBounds(mTempBounds, i), mStartDegrees + DEGREE_180 * (i % 2), mSwipeDegrees, false, mPaint);
}
}
canvas.RestoreToCount(saveCount);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
RectF arcBounds = mCurrentBounds;
arcBounds.Set(bounds);
//draw draw gas tube
mPaint.Color = new Color(mGasTubeColor);
mPaint.SetStyle(Paint.Style.Stroke);
mPaint.StrokeWidth = mStrokeWidth;
canvas.DrawPath(CreateGasTubePath(mGasTubeBounds), mPaint);
//draw balloon
mPaint.Color = new Color(mBalloonColor);
mPaint.SetStyle(Paint.Style.FillAndStroke);
canvas.DrawPath(CreateBalloonPath(mBalloonBounds, mProgress), mPaint);
//draw progress
mPaint.Color = new Color(mGasTubeColor);
mPaint.TextSize = mTextSize;
mPaint.StrokeWidth = mStrokeWidth / 5.0f;
canvas.DrawText(mProgressText, arcBounds.CenterX() - mProgressBounds.Width() / 2.0f, mGasTubeBounds.CenterY() + mProgressBounds.Height() / 2.0f, mPaint);
//draw cannula
mPaint.Color = new Color(mCannulaColor);
mPaint.SetStyle(Paint.Style.Stroke);
mPaint.StrokeWidth = mStrokeWidth;
canvas.DrawPath(CreateCannulaHeadPath(mCannulaBounds), mPaint);
mPaint.SetStyle(Paint.Style.Fill);
canvas.DrawPath(CreateCannulaBottomPath(mCannulaBounds), mPaint);
//draw pipe body
mPaint.Color = new Color(mPipeBodyColor);
mPaint.SetStyle(Paint.Style.Fill);
canvas.DrawRoundRect(mPipeBodyBounds, mRectCornerRadius, mRectCornerRadius, mPaint);
canvas.RestoreToCount(saveCount);
}
protected override void Draw(Canvas canvas, Rect bounds)
{
int saveCount = canvas.Save();
mTempBounds.Set(Bounds);
mTempBounds.Inset(mStrokeInset, mStrokeInset);
mTempBounds.Inset(mTempBounds.Width() * (1.0f - mScale) / 2.0f, mTempBounds.Width() * (1.0f - mScale) / 2.0f);
canvas.Rotate(mGroupRotation, mTempBounds.CenterX(), mTempBounds.CenterY());
mPaint.Color = new Color(mColor);
mPaint.Alpha = (int)(MAX_ALPHA * mScale);
mPaint.StrokeWidth = mStrokeWidth * mScale;
if (mSwipeDegrees != 0)
{
for (int i = 0; i < mGearCount; i++)
{
canvas.DrawArc(mTempBounds, mStartDegrees + DEGREE_360 / mGearCount * i, mSwipeDegrees, false, mPaint);
}
}
canvas.RestoreToCount(saveCount);
}
protected override bool DrawChild(Canvas canvas, View child, long drawingTime)
{
var lp = (LayoutParams) child.LayoutParameters;
var save = canvas.Save(SaveFlags.Clip);
var drawScrim = false;
if (_canSlide && !lp.Slideable && _slideableView != null)
{
if (!OverlayContent)
{
canvas.GetClipBounds(_tmpRect);
if (_isSlidingUp)
_tmpRect.Bottom = Math.Min(_tmpRect.Bottom, _slideableView.Top);
else
_tmpRect.Top = Math.Max(_tmpRect.Top, _slideableView.Bottom);
canvas.ClipRect(_tmpRect);
}
if (_slideOffset < 1)
drawScrim = true;
}
var result = base.DrawChild(canvas, child, drawingTime);
canvas.RestoreToCount(save);
if (drawScrim)
{
var baseAlpha = (_coveredFadeColor.ToArgb() & 0xff000000) >> 24;
var imag = (int) (baseAlpha * (1 - _slideOffset));
var color = imag << 24 | (_coveredFadeColor.ToArgb() & 0xffffff);
_coveredFadePaint.Color = new Color(color);
canvas.DrawRect(_tmpRect, _coveredFadePaint);
}
return result;
}
private void DrawRing(Canvas c)
{
var sc = c.Save();
c.Rotate(-this.Degree, c.Width / 2, c.Height / 2);
//���ĵ�
var cx = c.Width / 2;
var cy = c.Height / 2;
//������Բ Path ����һ�� Բ����ʾ����, ���ڿ���Բ
var pInner = new Path();
pInner.AddCircle(cx, cy, this.BitmapRadius + SPACE / 2, Path.Direction.Cw);
var pOut = new Path();
pOut.AddCircle(cx, cy, this.Radius, Path.Direction.Cw);
c.ClipPath(pOut);
c.ClipPath(pInner, Region.Op.Difference);
//var color = new Color((int)(DateTime.Now.Ticks % 0xFFFFFFFF));
//c.DrawColor(color);
//�ýǶȽ��������Բ�ķ�Χ
var g = new SweepGradient(cx, cy, Color.Green, Color.Transparent);
var paint = new Paint();
paint.SetShader(g);
c.DrawCircle(cx, cy, this.Radius, paint);
c.RestoreToCount(sc);
}
public void draw(Canvas canvas) {
int width = mBounds.Width ();
int height = mBounds.Height();
int cx = width / 2;
int cy = height / 2;
Boolean drawTriggerWhileFinishing = false;
int restoreCount = canvas.Save();
canvas.ClipRect(mBounds);
if (mRunning || (mFinishTime > 0)) {
long now = AnimationUtils.CurrentAnimationTimeMillis();
long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS;
long iterations = (now - mStartTime) / ANIMATION_DURATION_MS;
float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f));
// If we're not running anymore, that means we're running through
// the finish animation.
if (!mRunning) {
// If the finish animation is done, don't draw anything, and
// don't repost.
if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) {
mFinishTime = 0;
return;
}
// Otherwise, use a 0 opacity alpha layer to clear the animation
// from the inside out. This layer will prevent the circles from
// drawing within its bounds.
long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS;
float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f));
float pct = (finishProgress / 100f);
// Radius of the circle is half of the screen.
float clearRadius = width / 2;//* INTERPOLATOR.getInterpolation(pct);
mClipRect.Set(cx - clearRadius, 0, cx + clearRadius, height);
canvas.SaveLayerAlpha(mClipRect, 0, 0);
// Only draw the trigger if there is a space in the center of
// this refreshing view that needs to be filled in by the
// trigger. If the progress view is just still animating, let it
// continue animating.
drawTriggerWhileFinishing = true;
}
// First fill in with the last color that would have finished drawing.
if (iterations == 0) {
canvas.DrawColor (Android.Graphics.Color.Blue);
} else {
if (rawProgress >= 0 && rawProgress < 25) {
canvas.DrawColor(Android.Graphics.Color.AliceBlue);
} else if (rawProgress >= 25 && rawProgress < 50) {
canvas.DrawColor (Android.Graphics.Color.Blue);
} else if (rawProgress >= 50 && rawProgress < 75) {
canvas.DrawColor (Android.Graphics.Color.BlueViolet);
} else {
canvas.DrawColor (Android.Graphics.Color.CadetBlue);
}
}
// Then draw up to 4 overlapping concentric circles of varying radii, based on how far
// along we are in the cycle.
// progress 0-50 draw mColor2
// progress 25-75 draw mColor3
// progress 50-100 draw mColor4
// progress 75 (wrap to 25) draw mColor1
if ((rawProgress >= 0 && rawProgress <= 25)) {
float pct = (((rawProgress + 25) * 2) / 100f);
drawCircle(canvas, cx, cy, mColor1, pct);
}
if (rawProgress >= 0 && rawProgress <= 50) {
float pct = ((rawProgress * 2) / 100f);
drawCircle(canvas, cx, cy, mColor2, pct);
}
if (rawProgress >= 25 && rawProgress <= 75) {
float pct = (((rawProgress - 25) * 2) / 100f);
drawCircle(canvas, cx, cy, mColor3, pct);
}
if (rawProgress >= 50 && rawProgress <= 100) {
float pct = (((rawProgress - 50) * 2) / 100f);
drawCircle(canvas, cx, cy, mColor4, pct);
}
if ((rawProgress >= 75 && rawProgress <= 100)) {
float pct = (((rawProgress - 75) * 2) / 100f);
drawCircle(canvas, cx, cy, mColor1, pct);
}
if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) {
// There is some portion of trigger to draw. Restore the canvas,
// then draw the trigger. Otherwise, the trigger does not appear
// until after the bar has finished animating and appears to
// just jump in at a larger width than expected.
canvas.RestoreToCount(restoreCount);
restoreCount = canvas.Save();
canvas.ClipRect(mBounds);
drawTrigger(canvas, cx, cy);
}
// Keep running until we finish out the last cycle.
ViewCompat.PostInvalidateOnAnimation(mParent);
} else {
// Otherwise if we're in the middle of a trigger, draw that.
if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) {
drawTrigger(canvas, cx, cy);
}
}
canvas.RestoreToCount(restoreCount);
}
private void DrawBitmap(Canvas c, Bitmap bmp)
{
var sc = c.Save();
this.Degree = this.Degree % 360 + DEGREE_STEP;
//Ҫ����ת����ͼ����Ч��
c.Rotate(this.Degree, c.Width / 2, c.Height / 2);
//���ĵ�
var cx = c.Width / 2;
var cy = c.Height / 2;
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var path = new Path();
path.AddCircle(cx, cy, this.BitmapRadius, Path.Direction.Cw);
c.ClipPath(path);
c.DrawColor(Color.White);
//ͼƬ�Ļ��Ʒ�Χ
var w = (this.ShowType == ShowTypes.Inner ? this.IWH : this.OWH) / 2;
var rect = new Rect(cx - w, cy - w, cx + w, cy + w);
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var paint = new Paint();
//srcΪnull, ��������ͼƬ��ΪԴ
c.DrawBitmap(bmp, null, rect, paint);
c.RestoreToCount(sc);
}
public override void Draw(Canvas canvas)
{
Rect bounds = Bounds;
int saveCount = canvas.Save();
canvas.Rotate(mRotation, bounds.ExactCenterX(), bounds.ExactCenterY());
mRing.Draw(canvas, bounds);
canvas.RestoreToCount(saveCount);
}