protected override void OnDraw(Canvas canvas)
{
base.OnDraw (canvas);
var stokewidth = TapUtil.dptodx (this.stokewidthdp);
var progresswidth = TapUtil.dptodx (this.progresswidthdp);
//draw border
int center = Width / 2;
nn_paint.SetStyle(Paint.Style.Stroke);
nn_paint.Color=nn_outcolor;
nn_paint.StrokeWidth = stokewidth;
canvas.DrawCircle(center,center, nn_radius-stokewidth, nn_paint);
//draw remainingsection of progress
nn_paint.SetStyle (Paint.Style.Fill);
nn_paint.Color=nn_progressremainingcolor;
//RectF position is relative toparent
canvas.DrawCircle(center,center, nn_radius-stokewidth*2, nn_paint);
//draw progress
nn_paint.SetStyle (Paint.Style.Stroke);
nn_paint.Color=nn_progresscolor;
nn_paint.StrokeWidth = progresswidthdp*2;
//RectF position is relative toparent
RectF oval = new RectF (0+(stokewidth*2)+Convert.ToSingle(progresswidthdp*1.5),0+(stokewidth*2)+Convert.ToSingle(progresswidthdp*1.5),nn_radius*2-(stokewidth*2)-Convert.ToSingle(progresswidthdp*1.5),nn_radius*2-(stokewidth*2)-Convert.ToSingle(progresswidthdp*1.5));
canvas.DrawArc(oval, progresssstartangle, progresssendangle, false, nn_paint);
//draw avatarcontainer (innercircle)
nn_paint.SetStyle(Paint.Style.Fill);
nn_paint.Color=nn_innercontainercolor;
canvas.DrawCircle(center,center, nn_radius-progresswidth-stokewidth*2, nn_paint);
}
protected virtual void HandleShapeDraw (Canvas canvas)
{
// We need to account for offsetting the coordinates based on the padding
var x = GetX () + Resize (this.ShapeView.Padding.Left);
var y = GetY () + Resize (this.ShapeView.Padding.Top);
switch (ShapeView.ShapeType) {
case ShapeType.Box:
HandleStandardDraw (canvas, p => {
var rect = new RectF (x, y, x + this.Width, y + this.Height);
if (ShapeView.CornerRadius > 0) {
var cr = Resize (ShapeView.CornerRadius);
canvas.DrawRoundRect (rect, cr, cr, p);
} else {
canvas.DrawRect (rect, p);
}
});
break;
case ShapeType.Circle:
HandleStandardDraw (canvas, p => canvas.DrawCircle (x + this.Width / 2, y + this.Height / 2, (this.Width - 10) / 2, p));
break;
case ShapeType.CircleIndicator:
HandleStandardDraw (canvas, p => canvas.DrawCircle (x + this.Width / 2, y + this.Height / 2, (this.Width - 10) / 2, p), drawFill: false);
HandleStandardDraw (canvas, p => canvas.DrawArc (new RectF (x, y, x + this.Width, y + this.Height), QuarterTurnCounterClockwise, 360 * (ShapeView.IndicatorPercentage / 100), false, p), ShapeView.StrokeWidth + 3, false);
break;
}
}
public new void Draw(Canvas canvas, Paint paint)
{
int viewWidth = mProgressBar.Width;
int viewHeight = mProgressBar.Height;
canvas.DrawCircle(viewWidth / 2, viewHeight / 2, (mCircleDiameter / 2 + mShadowRadius), mShadowPaint);
canvas.DrawCircle(viewWidth / 2, viewHeight / 2, (mCircleDiameter / 2), paint);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
_buttonBackgroundPaint.Color = _backgroundColor;
float diameter = _radius * 2;
float uWidth = PaddingLeft == 0 && PaddingRight == 0 ? diameter : Width - PaddingLeft - PaddingRight;
float uHeight = PaddingBottom == 0 && PaddingTop == 0 ? diameter : Height - PaddingTop - PaddingBottom;
float cx = uWidth / 2;
float cy = uHeight / 2;
float radius = Math.Min(uWidth - DipToPixels(2), uHeight - DipToPixels(2)) / 2;
if (Build.VERSION.SdkInt >= BuildVersionCodes.Honeycomb)
{
SetLayerType(LayerType.Software, null);
}
_shadowPaint.SetShadowLayer(10, 0, 0, _shadowColor);
canvas.DrawCircle(cx, cy, radius - 4, _shadowPaint);
canvas.DrawCircle(cx, cy, radius, _buttonBackgroundPaint);
int sidePadding = (int)(_radius * 0.25);
int ulPadding = (int)(_radius * (0.25 + _contentScale));
_drawableContent?.SetBounds(sidePadding, sidePadding, ulPadding, ulPadding);
_drawableContent?.Draw(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);
}
public override void OnDrawItemIcon(Android.Graphics.Canvas canvas, PoiViewItem item, float startX, float endY)
{
int circleSize = 42;
canvas.DrawCircle(startX, ToPixels(circleSize), ToPixels(circleSize), paintBlack);
canvas.DrawCircle(startX, ToPixels(circleSize), ToPixels(circleSize - 3), item.Selected ? paintWhite : paintGray);
var bmp = poiCategoryBitmapProvider.GetCategoryIcon(item.Poi.Category);
canvas.DrawBitmap(bmp, startX - ToPixels(33), ToPixels(circleSize - 33), null /*ColorFilterPoiItem.GetPaintFilter(item)*/);
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
var radius = (Height / 2) - 4;
var middleX = Width / 2;
var middleY = Height / 2;
var minutes = (int)time.TotalMinutes;
var rotation = minutes / 60;
var color = baseQuadrantColor;
for (int i = 0; i <= rotation; i++)
{
var angle = minutes > 60 ? 360 : (int)((minutes * 360f) / 60);
canvas.DrawArc(new RectF(middleX - radius, middleY - radius, middleX + radius, middleY + radius), -90, angle, true, new Paint {
Color = color,
AntiAlias = true,
});
minutes -= 60;
color = Color.Rgb((byte)Math.Max(0, color.R - 30),
(byte)Math.Max(0, color.G - 30),
(byte)Math.Max(0, color.B - 30));
}
// Draw chrome
Paint chromeBorder = new Paint {
AntiAlias = true,
Color = chromeColor,
StrokeWidth = 1.ToPixels ()
};
chromeBorder.SetStyle(Paint.Style.Stroke);
canvas.DrawCircle(middleX, middleY, radius, chromeBorder);
// Draw markers
var markerPaint = new Paint {
Color = chromeColor,
AntiAlias = true
};
var innerRadius = radius - 6;
for (int i = 0; i < 8; i++)
{
var stepAngle = i * Math.PI / 4;
canvas.DrawCircle(middleX - (int)Math.Round(Math.Sin(stepAngle) * innerRadius),
middleY - (int)Math.Round(Math.Cos(stepAngle) * innerRadius),
1, markerPaint);
}
}
protected override void OnDraw (Canvas canvas)
{
canvas.DrawColor (Color.White);
canvas.Translate (10, 10);
canvas.SaveLayerAlpha (0, 0, 200, 200, 0x88, SaveFlags.All);
mPaint.Color = Color.Red;
canvas.DrawCircle (75, 75, 75, mPaint);
mPaint.Color = Color.Blue;
canvas.DrawCircle (125, 125, 75, mPaint);
canvas.Restore ();
}
public Bitmap Transform(Bitmap source)
{
int size = Math.Min(source.Width, source.Height);
int width = (source.Width - size) / 2;
int height = (source.Height - size) / 2;
var bitmap = Bitmap.CreateBitmap(size, size, Bitmap.Config.Argb4444);
var canvas = new Canvas(bitmap);
var paint = new Paint();
var shader =
new BitmapShader(source, BitmapShader.TileMode.Clamp, BitmapShader.TileMode.Clamp);
if (width != 0 || height != 0)
{
// source isn't square, move viewport to center
var matrix = new Matrix();
matrix.SetTranslate(-width, -height);
shader.SetLocalMatrix(matrix);
}
paint.SetShader(shader);
paint.AntiAlias = true;
float r = size / 2f;
canvas.DrawCircle(r, r, r, paint);
source.Recycle();
return bitmap;
}
protected override void OnDraw(Canvas canvas)
{
Drawable drawable = this.Drawable;
if (drawable == null) {
return;
}
if (this.Width == 0 || this.Height == 0) {
return;
}
if (paint == null) {
Init ();
}
int circleCenter = Width / 2;
// circleCenter is the x or y of the view's center
// radius is the radius in pixels of the cirle to be drawn
// paint contains the shader that will texture the shape
canvas.DrawCircle (circleCenter, circleCenter, circleCenter, paint);
}
protected override Bitmap Transform(IBitmapPool bitmapPool, Bitmap source, int outWidth, int outHeight)
{
int size = Math.Min(source.Width, source.Height);
int width = (source.Width - size) / 2;
int height = (source.Height - size) / 2;
Bitmap squaredBitmap = Bitmap.CreateBitmap(source, width, height, size, size);
if (squaredBitmap != source)
{
source.Recycle();
}
Bitmap bitmap = Bitmap.CreateBitmap(size, size, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
BitmapShader shader = new BitmapShader(squaredBitmap, BitmapShader.TileMode.Clamp,
BitmapShader.TileMode.Clamp);
paint.SetShader(shader);
paint.AntiAlias = true;
float r = size / 2f;
canvas.DrawCircle(r, r, r, paint);
squaredBitmap.Recycle();
return BitmapResource.Obtain(bitmap, bitmapPool).Get();
}
protected void DrawShape(Canvas canvas)
{
Paint paint = new Paint();
paint.Color = Color;
switch (Shape)
{
case ShapeEnum.RectangleShape:
canvas.DrawRect(0, 0, ShapeWidth, ShapeHeight, paint);
break;
case ShapeEnum.OvalShape:
canvas.DrawOval(new RectF(0, 0, ShapeWidth, ShapeHeight), paint);
break;
case ShapeEnum.TriangleShape:
Path path = new Path();
path.MoveTo(ShapeWidth / 2, 0);
path.LineTo(ShapeWidth, ShapeHeight);
path.LineTo(0,ShapeHeight);
path.Close();
canvas.DrawPath(path, paint);
break;
default:
canvas.DrawCircle(ShapeWidth / 2, ShapeHeight / 2, ShapeWidth / 2, paint);
break;
}
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
var paint = new Paint();
paint.SetColor(Color);
canvas.DrawCircle(Width / 2, Height / 2, Width / 2, paint);
}
private void DrawStroke(Canvas canvas)
{
var stroke = Stroke;
if (!HasStroke || stroke is ImageBrush)
{
return;
}
var strokeThickness = PhysicalStrokeThickness;
using (var strokePaint = new Paint(stroke.GetStrokePaint(_drawArea)))
{
SetStrokeDashEffect(strokePaint);
if (_drawArea.HasZeroArea())
{
//Draw the stroke as a fill because the shape has no area
strokePaint.SetStyle(Paint.Style.Fill);
canvas.DrawCircle((float)(strokeThickness / 2), (float)(strokeThickness / 2), (float)(strokeThickness / 2), strokePaint);
}
else
{
strokePaint.StrokeWidth = (float)strokeThickness;
canvas.DrawPath(_path, strokePaint);
}
}
}
static Bitmap GetCroppedBitmap (Bitmap bmp, int radius)
{
Bitmap sbmp;
if (bmp.Width != radius || bmp.Height != radius)
sbmp = Bitmap.CreateScaledBitmap (bmp, radius, radius, false);
else
sbmp = bmp;
var output = Bitmap.CreateBitmap (sbmp.Width,
sbmp.Height, Bitmap.Config.Argb8888);
var canvas = new Canvas (output);
var paint = new Paint ();
var rect = new Rect (0, 0, sbmp.Width, sbmp.Height);
paint.AntiAlias = true;
paint.FilterBitmap = true;
paint.Dither = true;
canvas.DrawARGB (0, 0, 0, 0);
paint.Color = Color.ParseColor ("#BAB399");
canvas.DrawCircle (sbmp.Width / 2 + 0.7f, sbmp.Height / 2 + 0.7f,
sbmp.Width / 2 + 0.1f, paint);
paint.SetXfermode (new PorterDuffXfermode (PorterDuff.Mode.SrcIn));
canvas.DrawBitmap (sbmp, rect, rect, paint);
return output;
}
internal void Draw(Canvas canvas)
{
canvas.DrawCircle(_cells.Last().X, _cells.Last().Y, 3, this);
for (int p = _cells.Count - 1; p > 0; p--)
{
canvas.DrawLine(_cells[p].X, _cells[p].Y, _cells[p - 1].X, _cells[p - 1].Y, this);
}
}
public void DrawMask(View target, Canvas maskCanvas, Color maskColor, Point position, int radius, Animator animator)
{
// draw solid background
maskCanvas.DrawColor(maskColor);
// erase focus area
maskCanvas.DrawCircle(position.X, position.Y, radius, eraserPaint);
}
protected virtual void HandleShapeDraw(Canvas canvas)
{
// We need to account for offsetting the coordinates based on the padding
var x = GetX() + Resize(this.ShapeView.Padding.Left);
var y = GetY() + Resize(this.ShapeView.Padding.Top);
HandleStandardDraw(canvas, p => canvas.DrawCircle(x + this.Width / 2, y + this.Height / 2, (this.Width - 10) / 2, p));
}
protected override void OnDraw(Canvas canvas)
{
var paint = new Paint();
paint.SetARGB(255, 200, 255, 0);
paint.SetStyle(Paint.Style.Stroke);
paint.StrokeWidth = 4;
canvas.DrawCircle (200, 200, 180, paint);
}
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);
}
public void DrawMask(View target, Canvas maskCanvas, Color maskColor, Point position, int radius, Animator animator)
{
var valueAnimator = animator as ValueAnimator;
var bounce = valueAnimator != null ? (float)valueAnimator.AnimatedValue : target.Alpha;
// draw solid background
maskCanvas.DrawColor(maskColor);
// erase focus area
maskCanvas.DrawCircle(position.X, position.Y, radius * bouncy.GetInterpolation(bounce), eraserPaint);
}
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);
}
public static void Parse(SVGProperties pSVGProperties, Canvas pCanvas, SVGPaint pSVGPaint)
{
float? centerX = pSVGProperties.getFloatAttribute(SVGConstants.ATTRIBUTE_CENTER_X);
float? centerY = pSVGProperties.getFloatAttribute(SVGConstants.ATTRIBUTE_CENTER_Y);
float? radius = pSVGProperties.getFloatAttribute(SVGConstants.ATTRIBUTE_RADIUS);
if (centerX != null && centerY != null && radius != null) {
bool fill = pSVGPaint.setFill(pSVGProperties);
if (fill) {
pCanvas.DrawCircle(centerX.Value, centerY.Value, radius.Value, pSVGPaint.getPaint());
}
bool stroke = pSVGPaint.setStroke(pSVGProperties);
if (stroke) {
pCanvas.DrawCircle(centerX.Value, centerY.Value, radius.Value, pSVGPaint.getPaint());
}
if(fill || stroke) {
pSVGPaint.ensureComputedBoundsInclude(centerX.Value - radius.Value, centerY.Value - radius.Value);
pSVGPaint.ensureComputedBoundsInclude(centerX.Value + radius.Value, centerY.Value + radius.Value);
}
}
}
public static void Draw(Canvas canvas, IViewport viewport, IStyle style, IFeature feature)
{
var point = feature.Geometry as Point;
var dest = viewport.WorldToScreen(point);
var symbolSize = (float)SymbolStyle.DefaultHeight;
var symbolType = SymbolType.Ellipse;
var symbolStyle = style as SymbolStyle;
if (symbolStyle != null)
{
if (symbolStyle.BitmapId >= 0)
{
// Bitmap
if (!feature.RenderedGeometry.ContainsKey(style))
{
var imageStream = BitmapRegistry.Instance.Get(symbolStyle.BitmapId);
imageStream.Position = 0;
var androidBitmap = BitmapFactory.DecodeStream(imageStream);
feature.RenderedGeometry[style] = androidBitmap;
}
var bitmap = (Bitmap)feature.RenderedGeometry[style];
var halfWidth = bitmap.Width / 2;
var halfHeight = bitmap.Height / 2;
var dstRectForRender = new RectF((float)dest.X - halfWidth, (float)dest.Y - halfHeight, (float)dest.X + halfWidth, (float)dest.Y + halfHeight);
canvas.DrawBitmap(bitmap, null, dstRectForRender, null);
return;
}
symbolType = symbolStyle.SymbolType;
if (symbolStyle.SymbolScale > 0) symbolSize = (float)symbolStyle.SymbolScale * symbolSize;
}
// Drawing
var paints = style.ToAndroid();
if (symbolType == SymbolType.Ellipse)
{
foreach (var paint in paints)
{
canvas.DrawCircle((int)dest.X, (int)dest.Y, symbolSize, paint);
paint.Dispose();
}
}
else
{
foreach (var paint in paints)
{
canvas.DrawRect(-(float)SymbolStyle.DefaultWidth, (float)SymbolStyle.DefaultHeight, (float)SymbolStyle.DefaultWidth, -(float)SymbolStyle.DefaultHeight, paint);
paint.Dispose();
}
}
}
public override void Draw(Android.Graphics.Canvas canvas)
{
canvas.DrawCircle(mainCenter, mainCenter + 2, radius + radiusBorder, shadowPaint);
canvas.DrawCircle(mainCenter, mainCenter, radius + radiusBorder, darkerBackPaint);
canvas.DrawCircle(mainCenter, mainCenter, radius, backPaint);
canvas.DrawBitmap(icon, mainCenter - icon.Width / 2, mainCenter - icon.Height / 2, imgPaint);
if (Count != 0)
{
int bubbleCenter = center - removeRadius - bubbleOffset;
greenPaint.Alpha = redPaint.Alpha = currentBubbleTransparency;
removePaint.Alpha = 255 - currentBubbleTransparency;
canvas.DrawCircle(bubbleCenter, bubbleCenter, removeRadius, removePaint);
canvas.DrawCircle(bubbleCenter, bubbleCenter, innerRadius, Count < 0 ? redPaint : greenPaint);
var c = Math.Abs(Count).ToString();
var textBounds = new Rect();
removePaint.GetTextBounds(c, 0, c.Length, textBounds);
canvas.DrawText(c, bubbleCenter, bubbleCenter + textBounds.Height() / 2, removePaint);
}
DrawingCacheEnabled = true;
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
base.OnDraw(canvas);
int x = kOuterPaddingHorizontal;
int y = (this.Height / 2);
for (int i = 0; i < Count; i++)
{
int radius = i == iSelectedIndex ? kSelectedRadius : kDeselectedRadius;
x += radius;
canvas.DrawCircle(x, y, radius, i == iSelectedIndex ? iPaintSelected : iPaintUnselected);
x += radius + kInterItemPadding;
}
}
protected override void OnDraw(Canvas canvas)
{
int mBorderWidth;
int mCanvasSize;
Bitmap mImage;
Paint mPaint;
Paint mPaintBorder;
mPaint = new Paint();
mPaint.AntiAlias = true;
mPaintBorder = new Paint();
mPaintBorder.Color = BorderColor;
mPaint.AntiAlias = true;
mImage = DrawableToBitmap(Drawable);
mBorderWidth = 2;
if (mImage != null)
{
mCanvasSize = canvas.Width;
if (canvas.Height < mCanvasSize)
{
mCanvasSize = canvas.Height;
}
Bitmap scaledBitmap = Bitmap.CreateScaledBitmap(mImage, mCanvasSize, mCanvasSize, true); //true --> apply the given scaleType.
BitmapShader shader = new BitmapShader(scaledBitmap, Shader.TileMode.Clamp, Shader.TileMode.Clamp);
mPaint.SetShader(shader);
int circleCenter = (mCanvasSize - (mBorderWidth * 2)) / 2;
if (ImageBorderVisibility)
canvas.DrawCircle(circleCenter + mBorderWidth, circleCenter + mBorderWidth, ((mCanvasSize - (mBorderWidth * 2)) / 2) + mBorderWidth - 4.0f, mPaintBorder);
canvas.DrawCircle(circleCenter + mBorderWidth, circleCenter + mBorderWidth, ((mCanvasSize - (mBorderWidth * 2)) / 2) - 4.0f, mPaint);
}
}
protected override void OnDraw(Canvas canvas)
{
var r = CenterX - _paint.StrokeWidth * 0.5f;
canvas.Translate(CenterX, CenterX);
canvas.DrawOval(new RectF(-r, -r, r, r), _paint);
canvas.DrawCircle(0, 0, CenterRadius, _centerPaint);
if (_trackingCenter)
{
var c = _centerPaint.Color;
_centerPaint.SetStyle(Paint.Style.Stroke);
_centerPaint.Alpha = _highlightCenter ? 255 : 128;
canvas.DrawCircle(0, 0,
CenterRadius + _centerPaint.StrokeWidth,
_centerPaint);
_centerPaint.SetStyle(Paint.Style.Fill);
_centerPaint.Color = c;
}
}
public override void Draw(Android.Graphics.Canvas canvas,
MapView mapView, bool shadow)
{
base.Draw(canvas, mapView, shadow);
var paint = new Paint();
paint.AntiAlias = true;
paint.Color = Color.Purple;
paint.Alpha = 127;
var gp = new GeoPoint((int)(29.97611 * 1e6), (int)(31.132778 * 1e6));
var pt = mapView.Projection.ToPixels(gp, null);
float distance = mapView.Projection.MetersToEquatorPixels(200);
canvas.DrawCircle(pt.X, pt.Y, distance / 2, paint);
}
private void DoDraw(Canvas canvas, double stepFactor)
{
double width = canvas.GetWidth();
double height = canvas.GetHeight();
double x = width/2;
double y = height/2;
x += xOrientation * stepFactor;
y += yOrientation * stepFactor;
// Set background color
canvas.DrawColor(Color.BLUE);
var paint = new Paint();
paint.TextAlign =(Paint.Align.CENTER);
// Draw a circle
paint.Color =(Color.ParseColor("#ffd700"));
canvas.DrawCircle((float) x, (float) y, 30, paint);
}
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 void DrawStroke(Android.Graphics.Canvas canvas, Windows.Foundation.Rect strokeArea, Action <Android.Graphics.Canvas, Windows.Foundation.Rect, Paint> drawingMethod)
{
if (HasStroke)
{
var strokeThickness = PhysicalStrokeThickness;
using (var strokePaint = new Paint(Stroke.GetStrokePaint(strokeArea)))
{
SetStrokeDashEffect(strokePaint);
if (strokeArea.HasZeroArea())
{
//Draw the stroke as a fill because the shape has no area
strokePaint.SetStyle(Paint.Style.Fill);
canvas.DrawCircle((float)(strokeThickness / 2), (float)(strokeThickness / 2), (float)(strokeThickness / 2), strokePaint);
}
else
{
strokePaint.StrokeWidth = (float)strokeThickness;
drawingMethod(canvas, strokeArea, strokePaint);
}
}
}
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw (canvas);
if (mViewPager == null) {
return;
}
int count = mViewPager.Adapter.Count;
if (count == 0) {
return;
}
if (mCurrentPage >= count) {
SetCurrentItem(count - 1);
return;
}
int longSize;
int longPaddingBefore;
int longPaddingAfter;
int shortPaddingBefore;
if (mOrientation == HORIZONTAL) {
longSize = Width;
longPaddingBefore = PaddingLeft;
longPaddingAfter = PaddingRight;
shortPaddingBefore = PaddingTop;
} else {
longSize = Height;
longPaddingBefore = PaddingTop;
longPaddingAfter = PaddingBottom;
shortPaddingBefore = PaddingLeft;
}
float threeRadius = mRadius * 3;
float shortOffset = shortPaddingBefore + mRadius;
float longOffset = longPaddingBefore + mRadius;
if (mCentered) {
longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f) - ((count * threeRadius) / 2.0f);
}
float dX;
float dY;
float pageFillRadius = mRadius;
if (mPaintStroke.StrokeWidth > 0) {
pageFillRadius -= mPaintStroke.StrokeWidth / 2.0f;
}
//Draw stroked circles
for (int iLoop = 0; iLoop < count; iLoop++) {
float drawLong = longOffset + (iLoop * threeRadius);
if (mOrientation == HORIZONTAL) {
dX = drawLong;
dY = shortOffset;
} else {
dX = shortOffset;
dY = drawLong;
}
// Only paint fill if not completely transparent
if (mPaintPageFill.Alpha > 0) {
canvas.DrawCircle(dX, dY, pageFillRadius, mPaintPageFill);
}
// Only paint stroke if a stroke width was non-zero
if (pageFillRadius != mRadius) {
canvas.DrawCircle(dX, dY, mRadius, mPaintStroke);
}
}
//Draw the filled circle according to the current scroll
float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
if (!mSnap && (mPageSize != 0)) {
cx += (mCurrentOffset * 1.0f / mPageSize) * threeRadius;
}
if (mOrientation == HORIZONTAL) {
dX = longOffset + cx;
dY = shortOffset;
} else {
dX = shortOffset;
dY = longOffset + cx;
}
canvas.DrawCircle(dX, dY, mRadius, mPaintFill);
}
protected override void OnDraw(Canvas canvas)
{
// Don't draw anything without an image
if (_image == null)
return;
// Nothing to draw (Empty bounds)
if (_image.Height == 0 || _image.Width == 0)
return;
// We'll need this later
int oldCanvasSize = _canvasSize;
// Compare canvas sizes
_canvasSize = canvas.Width;
if (canvas.Height < _canvasSize)
_canvasSize = canvas.Height;
// Reinitialize shader, if necessary
if (oldCanvasSize != _canvasSize)
RefreshBitmapShader();
// Apply shader to paint
_paint.SetShader(_shader);
// Keep track of selectorStroke/border width
int outerWidth = 0;
// Get the exact X/Y axis of the view
int center = _canvasSize / 2;
if (_hasSelector && _isSelected)
{ // Draw the selector stroke & apply the selector filter, if applicable
outerWidth = _selectorStrokeWidth;
center = (_canvasSize - (outerWidth * 2)) / 2;
_paint.SetColorFilter(_selectorFilter);
canvas.DrawCircle(center + outerWidth, center + outerWidth, ((_canvasSize - (outerWidth * 2)) / 2) + outerWidth - 4.0f, _paintSelectorBorder);
}
else if (_hasBorder)
{ // If no selector was drawn, draw a border and clear the filter instead... if enabled
outerWidth = _borderWidth;
center = (_canvasSize - (outerWidth * 2)) / 2;
_paint.SetColorFilter(null);
canvas.DrawCircle(center + outerWidth, center + outerWidth, ((_canvasSize - (outerWidth * 2)) / 2) + outerWidth - 4.0f, _paintBorder);
}
else // Clear the color filter if no selector nor border were drawn
_paint.SetColorFilter(null);
// Draw the circular image itself
canvas.DrawCircle(center + outerWidth, center + outerWidth, ((_canvasSize - (outerWidth * 2)) / 2) - 4.0f, _paint);
}
private void DoDraw(Canvas canvas)
{
// Increment / reset
size += delta;
if (size > 250)
{
delta = -1;
}
else if (size < 30)
{
delta = 1;
}
// Set background color
canvas.DrawColor(Color.BLUE);
var paint = new Paint();
paint.TextAlign =(Paint.Align.CENTER);
// Draw some lines
canvas.DrawLine(mX, mY, mY + 33, mX + 100, paint);
paint.Color =(Color.RED);
paint.StrokeWidth = (10);
canvas.DrawLine(87, 0, 75, 100, paint);
paint.Color =(Color.GREEN);
paint.StrokeWidth = (5);
for (int y = 30, alpha = 128; alpha > 2; alpha >>= 1, y += 10)
{
paint.Alpha = (alpha);
canvas.DrawLine(mY, y, mY + 100, y, paint);
}
// Draw a red rectangle
paint.Color =(Color.RED);
var rect = new Rect();
rect.Set(size + 120, 130, size + 156, 156);
canvas.DrawRect(rect, paint);
// Draw a circle
paint.Color =(Color.ParseColor("#ffd700"));
canvas.DrawCircle(size * 2, 220, 30, paint); //faster circle
// Draw red'ish rectangle
paint.Color =(Color.Rgb(128, 20, 20));
canvas.DrawRect(size, 67, 68, 45, paint);
// Draw green circle
paint.Color =(Color.GREEN);
canvas.DrawCircle(size, 140.0f - size / 3, 45.0f, paint); //move circle across screen
paint.Color =(Color.RED);
canvas.DrawText("Dot42", size, 140.0f - size / 3, paint);
// Draw magenta circle
paint.Color =(Color.MAGENTA);
canvas.DrawCircle(mX, mY, size / 4.0f, paint); //move circle down screen
paint.Color =(Color.GREEN);
canvas.DrawText("is", mX, mY, paint);
// Draw yellow rectangle
paint.Alpha = (64);
paint.Color =(Color.YELLOW);
canvas.DrawRect(size, size, size + 45, size + 45, paint);
// Draw text on rectangle
paint.Alpha = (255);
paint.Color =(Color.DKGRAY);
canvas.DrawText("fun!", size + 45 / 2, size + 45 / 2, paint);
}
protected override void OnDraw(Canvas canvas)
{
// load the bitmap
image = drawableToBitmap(Drawable);
// init shader
if (image != null)
{
canvasSize = canvas.Width;
if (canvas.Height < canvasSize)
{
canvasSize = canvas.Height;
}
BitmapShader shader = new BitmapShader(Bitmap.CreateScaledBitmap(image, canvasSize, canvasSize, false), Shader.TileMode.Clamp, Shader.TileMode.Clamp);
paint.SetShader(shader);
int circleCenter = (canvasSize - (borderWidth * 2)) / 2;
canvas.DrawCircle(circleCenter + borderWidth, circleCenter + borderWidth, ((canvasSize - (borderWidth * 2)) / 2) + borderWidth - 4.0f, paintBorder);
canvas.DrawCircle(circleCenter + borderWidth, circleCenter + borderWidth, ((canvasSize - (borderWidth * 2)) / 2) - 4.0f, paint);
}
}
public void Draw(Android.Graphics.Canvas canvas)
{
canvas.DrawCircle(Current_X, Current_Y, diameter, line);
canvas.DrawCircle(Current_X, Current_Y, diameter, fill);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
if(null == _viewPager)
return;
var count = _viewPager.Adapter.Count;
if(0 == count)
return;
if(_currentPage >= count)
{
CurrentItem = count - 1;
return;
}
int longSize;
int longPaddingBefore;
int longPaddingAfter;
int shortPaddingBefore;
if(_orientation == (int)Orientation.Horizontal)
{
longSize = Width;
longPaddingBefore = PaddingLeft;
longPaddingAfter = PaddingRight;
shortPaddingBefore = PaddingTop;
}
else
{
longSize = Height;
longPaddingBefore = PaddingTop;
longPaddingAfter = PaddingBottom;
shortPaddingBefore = PaddingLeft;
}
var threeRadius = _radius * 3;
var shortOffset = shortPaddingBefore + _radius;
var longOffset = longPaddingBefore + _radius;
if(_centered)
longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f) -
((count * threeRadius) / 2.0f);
float dX;
float dY;
var pageFillRadius = _radius;
if(_paintStroke.StrokeWidth > 0)
pageFillRadius -= _paintStroke.StrokeWidth / 2.0f;
//Draw stroked circles
for(var iLoop = 0; iLoop < count; iLoop++)
{
var drawLong = longOffset + (iLoop * threeRadius);
if(_orientation == (int)Orientation.Horizontal)
{
dX = drawLong;
dY = shortOffset;
}
else
{
dX = shortOffset;
dY = drawLong;
}
//Only paint fill if not completely transparent
if (_paintPageFill.Alpha > 0)
canvas.DrawCircle(dX, dY, pageFillRadius, _paintPageFill);
//Only paint stroke if a stroke width was non-zero
if(pageFillRadius != _radius)
canvas.DrawCircle(dX, dY, _radius, _paintStroke);
}
//Draw the filled circle according to the current scroll
var cx = (_snap ? _snapPage : _currentPage) * threeRadius;
if(_snap)
cx += _pageOffset * threeRadius;
if(_orientation == (int)Orientation.Horizontal)
{
dX = longOffset + cx;
dY = shortOffset;
}
else
{
dX = shortOffset;
dY = longOffset + cx;
}
canvas.DrawCircle(dX, dY, _radius, _paintFill);
}
private void DrawIntoBitmap(Bitmap bm)
{
float x = bm.Width;
float y = bm.Height;
Canvas c = new Canvas (bm);
Paint p = new Paint ();
p.AntiAlias = true;
p.Alpha = 0x80;
c.DrawCircle (x / 2, y / 2, x / 2, p);
p.Alpha = 0x30;
p.SetXfermode (new PorterDuffXfermode (PorterDuff.Mode.Src));
p.TextSize = 60;
p.TextAlign = Paint.Align.Center;
Paint.FontMetrics fm = p.GetFontMetrics ();
c.DrawText ("Alpha", x / 2, (y - fm.Ascent) / 2, p);
}
private void DrawCenter(Canvas c)
{
var x = c.Width / 2;
var y = c.Height / 2;
var paint = new Paint() {
Color = Color.White,
AntiAlias = true
};
//���Խ���
//var g = new LinearGradient(x - 30, y - 30, x + 30, y + 30, Color.Red, Color.Blue, Shader.TileMode.Mirror);
// �ǶȽ���
// ��һ��,�ڶ���������ʾ����Բ��������
//var g = new SweepGradient(x, y, Color.Red, Color.Blue);
//�����
//��һ��,�ڶ���������ʾ����Բ��������,������������ʾ�뾶
var g = new RadialGradient(x, y, 60, Color.Red, Color.Purple, Shader.TileMode.Mirror);
paint.SetShader(g);
c.DrawCircle(x, y, 60, paint);
paint.Color = Color.Green;
c.DrawCircle(x, y, 50, paint);
}
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);
}
protected override void OnDraw(Canvas canvas)
{
try {
var radius = Math.Min(Width, Height) / 2;
using (var paint1 = new Paint())
using (var paint2 = new Paint()) {
paint1.Color = Android.Graphics.Color.Transparent;
canvas.DrawRect(0, 0, this.Width, this.Height, paint1);
paint2.Color = this.Element.Color.ToAndroid();
canvas.DrawCircle(Width / 2, Height / 2, radius, paint2);
}
} catch {
//Debug.WriteLine("Unable to create circle image: " + ex);
}
base.OnDraw(canvas);
}