protected override void OnDraw(Shape shape, Android.Graphics.Canvas canvas, Paint paint)
{
var height = canvas.ClipBounds.Bottom;
var width = canvas.ClipBounds.Right;
if (noChild)
{
var borderHeight = (int)(this.borderThickness.Top + this.borderThickness.Bottom);
var borderWidth = (int)(this.borderThickness.Left + this.borderThickness.Right);
height = borderHeight > 0 ? borderHeight : canvas.ClipBounds.Bottom;
width = borderWidth > 0 ? borderWidth : canvas.ClipBounds.Right;
}
shape.Resize(width, height);
shape.Draw(canvas, strokepaint);
var pathInner = new Path();
var rect = new RectF(
(float)(borderThickness.Left),
(float)(borderThickness.Top),
(float)(canvas.ClipBounds.Right - borderThickness.Right),
(float)(canvas.ClipBounds.Bottom - borderThickness.Bottom));
pathInner.AddRoundRect(rect, cornerRadiusArray, Path.Direction.Cw);
if (!noChild)
{
var clearPaint = new Paint();
clearPaint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.Clear));
canvas.DrawPath(pathInner, clearPaint);
}
canvas.DrawPath(pathInner, fillpaint);
}
protected override bool DrawChild(Canvas canvas, View child, long drawingTime)
{
try
{
var radius = Math.Min(Width, Height) / 2;
var borderThickness = (float)((CircleImage)Element).BorderThickness;
int strokeWidth = 0;
if (borderThickness > 0)
{
var logicalDensity = Xamarin.Forms.Forms.Context.Resources.DisplayMetrics.Density;
strokeWidth = (int)Math.Ceiling(borderThickness * logicalDensity + .5f);
}
radius -= strokeWidth / 2;
var path = new Path();
path.AddCircle(Width / 2.0f, Height / 2.0f, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
var paint = new Paint();
paint.AntiAlias = true;
paint.SetStyle(Paint.Style.Fill);
paint.Color = ((CircleImage)Element).FillColor.ToAndroid();
canvas.DrawPath(path, paint);
paint.Dispose();
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
path = new Path();
path.AddCircle((float) Width / 2, (float) Height / 2, radius, Path.Direction.Ccw);
if (strokeWidth > 0.0f)
{
paint = new Paint {AntiAlias = true, StrokeWidth = strokeWidth};
paint.SetStyle(Paint.Style.Stroke);
paint.Color = ((CircleImage)Element).BorderColor.ToAndroid();
canvas.DrawPath(path, paint);
paint.Dispose();
}
path.Dispose();
return result;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Unable to create circle image: " + ex);
}
return base.DrawChild(canvas, child, drawingTime);
}
private void DrawBorder(ACanvas canvas, CorneredContentView control)
{
if (control.BorderThickness > 0)
{
float borderThickness = this.Context.ToPixels(control.BorderThickness);
float halfBorderThickness = borderThickness / 2;
using (Paint paint = new Paint {
AntiAlias = true
})
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Stroke)
using (RectF rect = new RectF(!control.HasShadow ? -halfBorderThickness : halfBorderThickness,
!control.HasShadow ? -halfBorderThickness : halfBorderThickness,
!control.HasShadow ? canvas.Width + halfBorderThickness : canvas.Width - halfBorderThickness,
!control.HasShadow ? canvas.Height + halfBorderThickness : canvas.Height - halfBorderThickness))
{
Path path = new Path();
path.AddRoundRect(rect, this.GetRadii(control), direction);
paint.Color = control.BorderColor.ToAndroid();
paint.StrokeCap = Paint.Cap.Square;
paint.StrokeWidth = borderThickness;
paint.SetStyle(style);
canvas.DrawPath(path, paint);
}
}
}
void DrawOutline(Android.Graphics.Canvas canvas, int width, int height)
{
if (this.Element is FrameApp)
{
int strokeWidth = (int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 1, Context.Resources.DisplayMetrics);
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new Path())
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Stroke)
using (var rect = new RectF(strokeWidth + strokeWidth / 2, strokeWidth + strokeWidth / 2, width - strokeWidth - strokeWidth / 2, height - strokeWidth - strokeWidth / 2))
{
if (this.Element.CornerRadius > 0)
{
float rx = this.Context.ToPixels(this.Element.CornerRadius);
float ry = this.Context.ToPixels(this.Element.CornerRadius);
path.AddRoundRect(rect, rx, ry, direction);
}
else
{
path.AddRect(rect, direction);
}
paint.StrokeWidth = strokeWidth; //set outline stroke
paint.SetStyle(style);
paint.Color = (this.Element as FrameApp).BorderColor.ToAndroid();
canvas.DrawPath(path, 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);
}
}
}
protected override bool DrawChild(Android.Graphics.Canvas canvas, Android.Views.View child, long drawingTime)
{
try {
var element = (RoundedImage)Element;
var radius = Math.Min(Width, Height) / 2;
var strokeWidth = 10;
radius -= strokeWidth / 2;
var path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
var paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = (float)element.BorderWidth;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = element.BorderColor.ToAndroid();
canvas.DrawPath(path, paint);
paint.Dispose();
path.Dispose();
return(result);
} catch (Exception ex) {
Console.WriteLine(ex.Message);
}
return(base.DrawChild(canvas, child, drawingTime));
}
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)
{
drawCanvas = canvas;
canvas.DrawBitmap(canvasBitmap, 0, 0, canvasPaint);
canvas.DrawPath(drawPath, drawPaint);
}
void DrawOutline(ACanvas canvas, int width, int height, Thickness cornerRadius)
{
var borderThickness = _convertToPixels(_pancake.BorderThickness);
var halfBorderThickness = borderThickness / 2;
// TODO: This doesn't look entirely right yet when using it with rounded corners.
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new Path())
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Stroke)
using (var rect = new RectF(halfBorderThickness, halfBorderThickness, width - halfBorderThickness, height - halfBorderThickness))
{
float topLeft = _convertToPixels(cornerRadius.Left);
float topRight = _convertToPixels(cornerRadius.Top);
float bottomRight = _convertToPixels(cornerRadius.Right);
float bottomLeft = _convertToPixels(cornerRadius.Bottom);
path.AddRoundRect(rect, new float[] { topLeft, topLeft, topRight, topRight, bottomRight, bottomRight, bottomLeft, bottomLeft }, direction);
if (_pancake.BorderIsDashed)
{
paint.SetPathEffect(new DashPathEffect(new float[] { 10, 20 }, 0));
}
paint.StrokeCap = Paint.Cap.Round;
paint.StrokeWidth = borderThickness;
paint.SetStyle(style);
paint.Color = _pancake.BorderColor.ToAndroid();
canvas.DrawPath(path, paint);
}
}
protected override void OnDraw (Canvas canvas)
{
if (this.currentPath == null || this.currentPath.IsEmpty)
return;
canvas.DrawPath (this.currentPath, this.currentPaint);
}
private void DrawBorder(ACanvas canvas, PancakeView control)
{
var borderThickness = Context.ToPixels(control.BorderThickness);
var halfBorderThickness = borderThickness / 2;
// TODO: This doesn't look entirely right yet when using it with rounded corners.
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new Path())
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Stroke)
using (var rect = new RectF(control.DrawBorderOnOutside && !control.HasShadow ? -halfBorderThickness : halfBorderThickness,
control.DrawBorderOnOutside && !control.HasShadow ? -halfBorderThickness : halfBorderThickness,
control.DrawBorderOnOutside && !control.HasShadow ? canvas.Width + halfBorderThickness : canvas.Width - halfBorderThickness,
control.DrawBorderOnOutside && !control.HasShadow ? canvas.Height + halfBorderThickness : canvas.Height - halfBorderThickness))
{
path.AddRoundRect(rect, GetRadii(control), direction);
if (control.BorderIsDashed)
{
paint.SetPathEffect(new DashPathEffect(new float[] { 10, 20 }, 0));
}
paint.StrokeCap = Paint.Cap.Square;
paint.StrokeWidth = borderThickness;
paint.SetStyle(style);
paint.Color = control.BorderColor.ToAndroid();
canvas.DrawPath(path, paint);
}
}
void DrawBackground(ACanvas canvas, int width, int height, float cornerRadius, bool pressed)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new APath())
using (APath.Direction direction = APath.Direction.Cw)
using (Paint.Style style = Paint.Style.Fill)
using (var rect = new RectF(0, 0, width, height))
{
float rx = _convertToPixels(cornerRadius);
float ry = _convertToPixels(cornerRadius);
path.AddRoundRect(rect, rx, ry, direction);
paint.SetStyle(style);
if (!Brush.IsNullOrEmpty(_frame.Background))
{
Brush background = _frame.Background;
paint.UpdateBackground(background, height, width);
}
else
{
global::Android.Graphics.Color color = _frame.BackgroundColor.ToAndroid();
paint.Color = color;
}
canvas.DrawPath(path, paint);
}
}
protected override bool DrawChild(Canvas canvas, global::Android.Views.View child, long drawingTime)
{
try
{
var radius = Math.Min(Width, Height) / 2;
var strokeWidth = 10;
radius -= strokeWidth / 2;
//Create path to clip
var path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
// Create path for circle border
path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
var paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = 5;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = global::Android.Graphics.Color.White;
canvas.DrawPath(path, paint);
//Properly dispose
paint.Dispose();
path.Dispose();
return result;
}
catch (Exception ex)
{
Console.WriteLine("Unable to create circle image: " + ex);
}
return base.DrawChild(canvas, child, drawingTime);
}
void DrawBackground(ACanvas canvas, int width, int height, CornerRadius cornerRadius, bool pressed)
{
using (Paint paint = new Paint {
AntiAlias = true
})
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Fill)
{
Path path = new Path();
using (RectF rect = new RectF(0, 0, width, height))
{
float topLeft = this._convertToPixels(cornerRadius.TopLeft);
float topRight = this._convertToPixels(cornerRadius.TopRight);
float bottomRight = this._convertToPixels(cornerRadius.BottomRight);
float bottomLeft = this._convertToPixels(cornerRadius.BottomLeft);
if (!this._corneredContentView.HasShadow)
{
path.AddRoundRect(rect, new float[] { topLeft, topLeft, topRight, topRight, bottomRight, bottomRight, bottomLeft, bottomLeft }, direction);
}
else
{
path.AddRoundRect(rect, new float[] { topLeft, topLeft, topLeft, topLeft, topLeft, topLeft, topLeft, topLeft }, direction);
}
}
global::Android.Graphics.Color color = this._corneredContentView.BackgroundColor.ToAndroid();
paint.SetStyle(style);
paint.Color = color;
canvas.DrawPath(path, paint);
}
}
void DrawBackground(ACanvas canvas, int width, int height, float cornerRadius, bool pressed)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new Path())
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Fill)
using (var rect = new RectF(
_bounds + _boundsDiff + _contentBounds,
_bounds + _boundsDiff + _contentBounds,
width - (_bounds + _boundsDiff + _contentBounds),
height - (_bounds + _boundsDiff + _contentBounds)))
{
float rx = _convertToPixels(cornerRadius);
float ry = _convertToPixels(cornerRadius);
path.AddRoundRect(rect, rx, ry, direction);
global::Android.Graphics.Color color = _frame.BackgroundColor.ToAndroid();
paint.SetStyle(style);
paint.Color = color;
canvas.DrawPath(path, paint);
}
}
void DrawOutline(ACanvas canvas, int width, int height, float cornerRadius)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new Path())
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Stroke)
using (var rect = new RectF(left: _bounds, top: _bounds, right: width - _bounds, bottom: height - _bounds))
using (var innerRect = new RectF(
left: _bounds + _boundsDiff,
top: _bounds + _boundsDiff,
right: width - (_bounds + _boundsDiff),
bottom: height - (_bounds + _boundsDiff)))
{
float rx = _convertToPixels(cornerRadius);
float ry = _convertToPixels(cornerRadius);
path.AddRoundRect(rect, rx, ry, direction);
path.AddRoundRect(innerRect, rx, ry, direction);
paint.StrokeWidth = _frameThickness;
paint.SetStyle(style);
paint.Color = _frame.BorderColor.ToAndroid();
canvas.DrawPath(path, paint);
}
}
public void parse(SVGProperties pSVGProperties, Canvas pCanvas, SVGPaint pSVGPaint) {
Path path = this.parse(pSVGProperties);
bool fill = pSVGPaint.setFill(pSVGProperties);
if (fill) {
pCanvas.DrawPath(path, pSVGPaint.getPaint());
}
bool stroke = pSVGPaint.setStroke(pSVGProperties);
if (stroke) {
pCanvas.DrawPath(path, pSVGPaint.getPaint());
}
if(fill || stroke) {
pSVGPaint.ensureComputedBoundsInclude(path);
}
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
DrawPaint.Color = CurrentLineColor;
canvas.DrawBitmap(CanvasBitmap, 0, 0, CanvasPaint);
canvas.DrawPath(DrawPath, DrawPaint);
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
var rect = new Rect();
this.GetDrawingRect(rect);
Paint paint;
// circleDotFill
if (Element.Active)
{
RectF circleDotFillRect = new RectF(
rect.Left + 1f,
rect.Top + 1f,
rect.Right - 1f,
rect.Bottom - 1f);
Path circleDotFillPath = new Path();
circleDotFillPath.AddOval(circleDotFillRect, Path.Direction.Cw);
paint = new Paint(PaintFlags.AntiAlias);
paint.SetStyle(Paint.Style.Fill);
paint.Color = Element.FillColor.ToAndroid();
canvas.DrawPath(circleDotFillPath, paint);
}
// circleDotStroke
RectF circleDotStrokeRect = new RectF(
rect.Left + 1f,
rect.Top + 1f,
rect.Right - 1f,
rect.Bottom - 1f);
Path circleDotStrokePath = new Path();
circleDotStrokePath.AddOval(circleDotStrokeRect, Path.Direction.Cw);
paint = new Paint(PaintFlags.AntiAlias);
paint.StrokeWidth = 2.5f;
paint.StrokeMiter = 10f;
canvas.Save();
paint.SetStyle(Paint.Style.Stroke);
paint.Color = Element.StrokeColor.ToAndroid();
canvas.DrawPath(circleDotStrokePath, paint);
canvas.Restore();
}
private void ShowPath(Canvas canvas, int x, int y, Path.FillType ft, Paint paint)
{
canvas.Save();
canvas.Translate(x, y);
canvas.ClipRect(0, 0, 120, 120);
canvas.DrawColor(Color.White);
mPath.SetFillType(ft);
canvas.DrawPath(mPath, paint);
canvas.Restore();
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
var rect = new Rect();
this.GetDrawingRect(rect);
Paint paint;
var halfThickness = Element.StrokeThickness / 2f;
var ellipseRect = new RectF(
rect.Left + halfThickness,
rect.Top + halfThickness,
rect.Right - halfThickness,
rect.Bottom - halfThickness);
// circleDotFill
if (Element.Fill.A != 0)
{
var circleDotFillPath = new Path();
circleDotFillPath.AddOval(ellipseRect, Path.Direction.Cw);
paint = new Paint(PaintFlags.AntiAlias);
paint.SetStyle(Paint.Style.Fill);
paint.Color = Element.Fill.ToAndroid();
canvas.DrawPath(circleDotFillPath, paint);
}
// circleDotStroke
Path circleDotStrokePath = new Path();
circleDotStrokePath.AddOval(ellipseRect, Path.Direction.Cw);
paint = new Paint(PaintFlags.AntiAlias);
paint.StrokeWidth = Element.StrokeThickness;
paint.StrokeMiter = 10f;
canvas.Save();
paint.SetStyle(Paint.Style.Stroke);
paint.Color = Element.Stroke.ToAndroid();
canvas.DrawPath(circleDotStrokePath, paint);
canvas.Restore();
}
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 OnDraw (Canvas canvas)
{
base.OnDraw (canvas);
float l = 0;
float t = Height - PaddingBottom - DipToPixels (Context, 217);
float r = Width - PaddingRight;
float b = Height - DipToPixels (Context, 60);
canvas.DrawRect (l, t, r, b, boxPaint);
canvas.DrawPath (path, pathPaint);
}
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);
}
private void DrawBackground(ACanvas canvas, Path path, bool pressed)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var style = Paint.Style.Fill)
{
paint.SetStyle(style);
paint.Color = _frame.BackgroundColor.ToAndroid();
canvas.DrawPath(path, paint);
}
}
public static void parse(SVGProperties pSVGProperties, Canvas pCanvas, SVGPaint pSVGPaint) {
var points = pSVGProperties.GetStringAttribute(SVGConstants.ATTRIBUTE_POINTS).ParseFloats ();
if (points != null) {
if (points.Length >= 2) {
Path path = SVGPolylineParser.parse(points);
bool fill = pSVGPaint.setFill(pSVGProperties);
if (fill) {
pCanvas.DrawPath(path, pSVGPaint.getPaint());
}
bool stroke = pSVGPaint.setStroke(pSVGProperties);
if (stroke) {
pCanvas.DrawPath(path, pSVGPaint.getPaint());
}
if(fill || stroke) {
pSVGPaint.ensureComputedBoundsInclude(path);
}
}
}
}
/// <summary>
/// Redraws the child.
/// </summary>
protected override bool DrawChild(Canvas canvas, global::Android.Views.View child, long drawingTime)
{
try
{
var radius = (float)((RoundedImage)Element).BorderRadius;
var stroke = (float)((RoundedImage)Element).BorderThickness;
var delta = (float)stroke / 2.0f;
if (radius < 0)
{
radius = Math.Min(Width, Height) / 2.0f;
}
radius -= delta;
// Clip with rounded rect
var path = new Path();
path.AddRoundRect(new RectF(delta, delta, Width - stroke, Height - stroke),
radius, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
path.Dispose();
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
// Add stroke for smoother border
path = new Path();
path.AddRoundRect(new RectF(delta, delta, Width - stroke, Height - stroke),
radius, radius, Path.Direction.Ccw);
var paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = stroke;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = ((RoundedImage)Element).BorderColor.ToAndroid();
canvas.DrawPath(path, paint);
paint.Dispose();
// Clean up
path.Dispose();
return result;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Unable to create circle image: " + ex);
}
return base.DrawChild(canvas, child, drawingTime);
}
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);
}
void DrawBackground(ACanvas canvas, int width, int height, CornerRadius cornerRadius)
{
using (var paint = new Paint {
AntiAlias = true
})
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Fill)
{
var path = new Path();
if (_pancake.Sides != 4)
{
path = DrawingExtensions.CreatePolygonPath(width, height, _pancake.Sides, _pancake.CornerRadius.TopLeft, _pancake.OffsetAngle);
}
else
{
float topLeft = _convertToPixels(cornerRadius.TopLeft);
float topRight = _convertToPixels(cornerRadius.TopRight);
float bottomRight = _convertToPixels(cornerRadius.BottomRight);
float bottomLeft = _convertToPixels(cornerRadius.BottomLeft);
path = DrawingExtensions.CreateRoundedRectPath(width, height, topLeft, topRight, bottomRight, bottomLeft);
}
if (_pancake.BackgroundGradientStops != null && _pancake.BackgroundGradientStops.Any())
{
// A range of colors is given. Let's add them.
var orderedStops = _pancake.BackgroundGradientStops.OrderBy(x => x.Offset).ToList();
var colors = orderedStops.Select(x => x.Color.ToAndroid().ToArgb()).ToArray();
var locations = orderedStops.Select(x => x.Offset).ToArray();
var shader = new LinearGradient((float)(canvas.Width * _pancake.BackgroundGradientStartPoint.X),
(float)(canvas.Height * _pancake.BackgroundGradientStartPoint.Y),
(float)(canvas.Width * _pancake.BackgroundGradientEndPoint.X),
(float)(canvas.Height * _pancake.BackgroundGradientEndPoint.Y),
colors, locations, Shader.TileMode.Clamp);
paint.SetShader(shader);
}
else
{
global::Android.Graphics.Color color = _pancake.BackgroundColor.ToAndroid();
paint.SetStyle(style);
paint.Color = color;
}
canvas.DrawPath(path, paint);
}
}
private void DrawBackground(ACanvas canvas, int width, int height, CornerRadius cornerRadius, bool pressed)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var path = PolygonUitls.RegularPolygonPath(width, height, _polygonFrame.Sides, _polygonFrame.CornerRadius, 0, _polygonFrame.OffsetAngle))
using (Paint.Style style = Paint.Style.Fill)
{
global::Android.Graphics.Color color = _polygonFrame.BackgroundColor.ToAndroid();
paint.SetStyle(style);
paint.Color = color;
canvas.DrawPath(path, paint);
}
}
void DrawOutline(ACanvas canvas, Path path)
{
using (var paint = new Paint {
AntiAlias = true
})
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Stroke)
{
paint.StrokeWidth = 1;
paint.SetStyle(style);
paint.Color = _frame.OutlineColor.ToAndroid();
canvas.DrawPath(path, paint);
}
}
void DrawBackground(ACanvas canvas, Path path, bool pressed)
{
using (var paint = new Paint {
AntiAlias = true
})
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Fill)
{
global::Android.Graphics.Color color = _frame.InnerBackground.ToAndroid();
paint.SetStyle(style);
paint.Color = color;
canvas.DrawPath(path, paint);
}
}
void DrawBackground(ACanvas canvas, int width, int height, CornerRadius cornerRadius, bool pressed)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new Path())
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Fill)
using (var rect = new RectF(0, 0, width, height))
{
float topLeft = _convertToPixels(cornerRadius.TopLeft);
float topRight = _convertToPixels(cornerRadius.TopRight);
float bottomRight = _convertToPixels(cornerRadius.BottomRight);
float bottomLeft = _convertToPixels(cornerRadius.BottomLeft);
if (!_pancake.HasShadow)
{
path.AddRoundRect(rect, new float[] { topLeft, topLeft, topRight, topRight, bottomRight, bottomRight, bottomLeft, bottomLeft }, direction);
}
else
{
path.AddRoundRect(rect, new float[] { topLeft, topLeft, topLeft, topLeft, topLeft, topLeft, topLeft, topLeft }, direction);
}
if (_pancake.BackgroundGradientStartColor != default(Xamarin.Forms.Color) && _pancake.BackgroundGradientEndColor != default(Xamarin.Forms.Color))
{
var angle = _pancake.BackgroundGradientAngle / 360.0;
// Calculate the new positions based on angle between 0-360.
var a = width * Math.Pow(Math.Sin(2 * Math.PI * ((angle + 0.75) / 2)), 2);
var b = height * Math.Pow(Math.Sin(2 * Math.PI * ((angle + 0.0) / 2)), 2);
var c = width * Math.Pow(Math.Sin(2 * Math.PI * ((angle + 0.25) / 2)), 2);
var d = height * Math.Pow(Math.Sin(2 * Math.PI * ((angle + 0.5) / 2)), 2);
var shader = new LinearGradient(width - (float)a, (float)b, width - (float)c, (float)d, _pancake.BackgroundGradientStartColor.ToAndroid(), _pancake.BackgroundGradientEndColor.ToAndroid(), Shader.TileMode.Clamp);
paint.SetShader(shader);
}
else
{
global::Android.Graphics.Color color = _pancake.BackgroundColor.ToAndroid();
paint.SetStyle(style);
paint.Color = color;
}
canvas.DrawPath(path, paint);
}
}
protected override void DrawRightThumb(Android.Graphics.Canvas p0, float x1, float y1, float x2, float y2)
{
float density = Context.Resources.DisplayMetrics.Density;
Paint paint = new Paint();
paint.AntiAlias = true;
RectF rounderRectF = new RectF(x2 - (1.66f * density), y2 - (3.33f * density), x2 + (16.66f * density), y2 + (16.66f * density));
paint.Color = (Color.ParseColor("#5f6872"));
p0.DrawRoundRect(rounderRectF, 7, 7, paint);
Path path = new Path();
path.MoveTo(x2, y2 - (16.66f * density));
path.LineTo(x2, y2);
path.LineTo(x2 + (16.66f * density), y2 - (2 * density));
path.Close();
p0.DrawPath(path, paint);
paint.StrokeWidth = (3.33f * density);
p0.DrawLine(x1, y1, x2, y2, paint);
SetRightThumbBounds(new RectF(x2 - 25, y1 - 25, x2 + 25, y2 + 25));
}
protected void DrawFill(Android.Graphics.Canvas canvas, Windows.Foundation.Rect fillArea, Android.Graphics.Path fillPath)
{
if (!fillArea.HasZeroArea())
{
var imageBrushFill = Fill as ImageBrush;
if (imageBrushFill != null)
{
imageBrushFill.ScheduleRefreshIfNeeded(fillArea, Invalidate);
imageBrushFill.DrawBackground(canvas, fillArea, fillPath);
}
else
{
var fill = Fill ?? SolidColorBrushHelper.Transparent;
var fillPaint = fill.GetFillPaint(fillArea);
canvas.DrawPath(fillPath, fillPaint);
}
}
}
protected override bool DrawChild(Canvas canvas, global::Android.Views.View child, long drawingTime)
{
try {
// Extract properties
var source = (CircularImage)Element;
var borderWidth = source.BorderWidth;
var borderColor = source.BorderColor.ToAndroid();
var radius = Math.Min(Width, Height) / 2;
var strokeWidth = 10;
radius -= strokeWidth / 2;
//Create path to clip
var path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
// Create path for circle border
path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
var paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = borderWidth;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = borderColor;
canvas.DrawPath(path, paint);
//Properly dispose
paint.Dispose();
path.Dispose();
return result;
} catch (Exception ex) {
System.Diagnostics.Debug.WriteLine("Unable to create circle image: " + ex);
}
return base.DrawChild(canvas, child, drawingTime);
}
private void DrawFill(Canvas canvas)
{
if (_drawArea.HasZeroArea())
{
return;
}
if (Fill is ImageBrush imageBrushFill)
{
imageBrushFill.ScheduleRefreshIfNeeded(_drawArea, Invalidate);
imageBrushFill.DrawBackground(canvas, _drawArea, _path);
}
else
{
var fill = Fill ?? SolidColorBrushHelper.Transparent;
var fillPaint = fill.GetFillPaint(_drawArea);
canvas.DrawPath(_path, fillPaint);
}
}
private void DrawOutline(ACanvas canvas, Path path)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var style = Paint.Style.Stroke)
{
paint.StrokeWidth = (float)_frame.StrokeThickness;
paint.SetStyle(style);
paint.Color = _frame.BorderColor.ToAndroid();
if (_frame.StrokeDashLength > 0 && _frame.StrokeDashGap > 0)
{
paint.SetPathEffect(new DashPathEffect(new[] { (float)_frame.StrokeDashLength, (float)_frame.StrokeDashGap }, 0));
}
canvas.DrawPath(path, paint);
}
}
void DrawOutline(ACanvas canvas, int width, int height, float cornerRadius)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new Path())
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Stroke)
using (var rect = new RectF(0, 0, width, height)) {
float rx = Forms.Context.ToPixels(cornerRadius);
float ry = Forms.Context.ToPixels(cornerRadius);
path.AddRoundRect(rect, rx, ry, direction);
paint.StrokeWidth = element.OutlineWidth; //set outline stroke
paint.SetStyle(style);
paint.Color = element.OutlineColor.ToAndroid();
//paint.Color = Color.ParseColor("#A7AE22");//set outline color //_frame.OutlineColor.ToAndroid();
canvas.DrawPath(path, paint);
}
}
void DrawOutline(ACanvas canvas, int width, int height)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new Path())
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Stroke)
using (var rect = new RectF(0, 0, width, height)) {
float rx = Forms.Context.ToPixels(_frame.CornerRadius);
float ry = Forms.Context.ToPixels(_frame.CornerRadius);
path.AddRoundRect(rect, rx, ry, direction);
paint.StrokeWidth = Forms.Context.ToPixels(_frame.BorderWidth);
paint.SetStyle(style);
paint.Color = _frame.BorderColor.ToAndroid();
canvas.DrawPath(path, paint);
}
}
void DrawOutline(ACanvas canvas, int width, int height, float cornerRadius)
{
using (var paint = new Paint {
AntiAlias = true
})
using (var path = new Path())
using (Path.Direction direction = Path.Direction.Cw)
using (Paint.Style style = Paint.Style.Stroke)
using (var rect = new RectF(0, 0, width, height))
{
float rx = Forms.Context.ToPixels(cornerRadius);
float ry = Forms.Context.ToPixels(cornerRadius);
path.AddRoundRect(rect, rx, ry, direction);
paint.StrokeWidth = 2f;
paint.SetStyle(style);
paint.Color = Color.ParseColor("#4CAF50");
canvas.DrawPath(path, paint);
}
}
protected override bool DrawChild(Android.Graphics.Canvas canvas, Android.Views.View child, long drawingTime)
{
try
{
var radius = Math.Min(Width, Height) / 2;
var strokeWidth = 10;
radius -= strokeWidth / 2;
//Create path to clip
var path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
// Create path for circle border
path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
var paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = 5;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = global::Android.Graphics.Color.White;
canvas.DrawPath(path, paint);
//Properly dispose
paint.Dispose();
path.Dispose();
return(result);
}
catch (Exception)
{
}
return(base.DrawChild(canvas, child, drawingTime));
}
/// <summary>
///
/// </summary>
/// <param name="canvas"></param>
/// <param name="child"></param>
/// <param name="drawingTime"></param>
/// <returns></returns>
protected override bool DrawChild(Canvas canvas, global::Android.Views.View child, long drawingTime)
{
try
{
var radius = Math.Min(Width, Height) / 2;
var strokeWidth = 10;
radius -= strokeWidth / 2;
Path path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
var paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = ((CircleImage)Element).BorderThickness;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = ((CircleImage)Element).BorderColor.ToAndroid();
canvas.DrawPath(path, paint);
paint.Dispose();
path.Dispose();
return result;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Unable to create circle image: " + ex);
}
return base.DrawChild(canvas, child, drawingTime);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
var path = new Path();
path.MoveTo(_points[0].X, _points[0].Y);
for (var i = 1; i < _points.Length; i++)
{
path.LineTo(_points[i].X, _points[i].Y);
}
var paint = new Paint
{
Color = Color.White
};
// We can use Paint.Style.Stroke if we want to draw a "hollow" polygon,
// But then we had better set the .StrokeWidth property on the paint.
paint.SetStyle(Paint.Style.Fill);
canvas.DrawPath(path, paint);
}
protected override bool DrawChild(Canvas canvas, global::Android.Views.View child, long drawingTime)
{
try
{
var radius = Math.Min(Width, Height) / 2;
var strokeWidth = 10;
radius -= strokeWidth / 2;
Path path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
path = new Path();
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
var paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = 5;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = global::Android.Graphics.Color.White;
canvas.DrawPath(path, paint);
paint.Dispose();
path.Dispose();
return result;
}
catch (Exception ex)
{
}
return base.DrawChild(canvas, child, drawingTime);
}
protected override void OnDraw (Canvas canvas)
{
base.OnDraw (canvas);
var width = canvas.Width;
var height = canvas.Height;
// Center the canvas
canvas.Translate (width / 2f, height / 2f);
if (slicePath.IsEmpty) {
if (startAngle == 0 && endAngle == 360) {
slicePath.AddCircle (0, 0, radius - thickness, Path.Direction.Cw);
slicePath.AddCircle (0, 0, radius, Path.Direction.Ccw);
slicePath.Close ();
} else {
// Inner arc
rect.Set (-radius + thickness, -radius + thickness, radius - thickness, radius - thickness);
slicePath.ArcTo (rect, -90 + startAngle, endAngle - startAngle);
// Outer arc
rect.Set (-radius, -radius, radius, radius);
slicePath.ArcTo (rect, -90 + endAngle, startAngle - endAngle);
slicePath.Close ();
}
}
canvas.DrawPath (slicePath, slicePaint);
}
private void DrawTriangle(Canvas c, float startAngle, float sweepAngle, Rect bounds)
{
if (mShowArrow)
{
if (mArrow == null)
{
mArrow = new Path();
mArrow.SetFillType(Path.FillType.EvenOdd);
}
else
{
mArrow.Reset();
}
float x = (float)(RingCenterRadius * Math.Cos(0) + bounds.ExactCenterX());
float y = (float)(RingCenterRadius * Math.Sin(0) + bounds.ExactCenterY());
mArrow.MoveTo(0, 0);
mArrow.LineTo((mArrowWidth) * mArrowScale, 0);
mArrow.LineTo(((mArrowWidth) * mArrowScale / 2), (mArrowHeight * mArrowScale));
mArrow.Offset(x - ((mArrowWidth) * mArrowScale / 2), y);
mArrow.Close();
mArrowPaint.Color = mColors[mColorIndex];
c.Rotate(startAngle + (sweepAngle < 0 ? 0 : sweepAngle) - ARROW_OFFSET_ANGLE, bounds.ExactCenterX(), bounds.ExactCenterY());
c.DrawPath(mArrow, mArrowPaint);
}
}
protected override void OnDraw (Canvas canvas)
{
base.OnDraw (canvas);
// Clear screen to pink.
paint.Color = new Color (255, 204, 204);
canvas.DrawPaint (paint);
// Overall transforms to shift (0, 0) to center and scale.
canvas.Translate (this.Width / 2, this.Height / 2);
float scale = Math.Min (this.Width, this.Height) / 2.0f / 100;
canvas.Scale (scale, scale);
// Attributes for tick marks.
paint.Color = Color.Black;
paint.StrokeCap = Paint.Cap.Round;
paint.SetStyle (Paint.Style.Stroke);
// Set line dash to draw tick marks for every minute.
paint.StrokeWidth = 3;
paint.SetPathEffect (minuteTickDashEffect);
canvas.DrawPath (tickMarks, paint);
// Set line dash to draw tick marks for every hour.
paint.StrokeWidth = 6;
paint.SetPathEffect (hourTickDashEffect);
canvas.DrawPath (tickMarks, paint);
// Set attributes common to all clock hands.
Color strokeColor = Color.Black;
Color fillColor = Color.Blue;
paint.StrokeWidth = 2;
paint.SetPathEffect (null);
// Draw hour hand.
canvas.Save ();
canvas.Rotate (this.hourAngle);
paint.Color = fillColor;
paint.SetStyle (Paint.Style.Fill);
canvas.DrawPath (hourHand, paint);
paint.Color = strokeColor;
paint.SetStyle (Paint.Style.Stroke);
canvas.DrawPath (hourHand, paint);
canvas.Restore ();
// Draw minute hand.
canvas.Save ();
canvas.Rotate (this.minuteAngle);
paint.Color = fillColor;
paint.SetStyle (Paint.Style.Fill);
canvas.DrawPath (minuteHand, paint);
paint.Color = strokeColor;
paint.SetStyle (Paint.Style.Stroke);
canvas.DrawPath (minuteHand, paint);
canvas.Restore ();
// Draw second hand.
canvas.Save ();
canvas.Rotate (this.secondAngle);
paint.Color = strokeColor;
paint.SetStyle (Paint.Style.Stroke);
canvas.DrawPath (secondHand, paint);
canvas.Restore ();
}
private void DrawStrokesOnCanvas (Canvas canvas, Color strokeColor, Color fillColor, bool shouldCrop, RectF croppedRectangle = null) {
canvas.DrawColor (fillColor);
paint.Color = strokeColor;
foreach (var path in paths) {
var tempPath = path;
if (shouldCrop) {
tempPath = new Path (path);
var translate = new Matrix ();
translate.SetTranslate (-croppedRectangle.Left, -croppedRectangle.Top);
tempPath.Transform (translate);
}
canvas.DrawPath (tempPath, paint);
tempPath = null;
}
paint.Color = this.strokeColor;
}
void DrawHexagon (Canvas canvas)
{
// The extra padding is to avoid edges being clipped
var padding = (int)TypedValue.ApplyDimension (ComplexUnitType.Dip, 8, Resources.DisplayMetrics);
var halfHeight = (Height - padding) / 2;
var side = (Width - padding) / 2;
var foo = (int)Math.Sqrt (side * side - halfHeight * halfHeight);
var path = hexagon ?? (hexagon = new Path ());
hexagon.Reset ();
path.MoveTo (Width / 2, padding / 2);
path.RLineTo (-side / 2, 0);
path.RLineTo (-foo, halfHeight);
path.RLineTo (foo, halfHeight);
path.RLineTo (side, 0);
path.RLineTo (foo, -halfHeight);
path.RLineTo (-foo, -halfHeight);
path.Close ();
var m = transformationMatrix ?? (transformationMatrix = new Matrix ());
m.Reset ();
var centerX = Width / 2;
var centerY = Height / 2;
m.PostRotate (Rotation, centerX, centerY);
m.PostScale (ScaleX, ScaleY, centerX, centerY);
path.Transform (m);
if (hexagonPaint == null) {
hexagonPaint = new Paint {
Color = new Android.Graphics.Color (0x22, 0x76, 0xB9),
AntiAlias = true,
};
hexagonPaint.SetPathEffect (new CornerPathEffect (30));
}
canvas.DrawPath (path, hexagonPaint);
}
protected override void OnDraw(Canvas canvas)
{
Paint paint = mPaint;
canvas.DrawColor (Color.White);
paint.AntiAlias = true;
paint.Color = Color.Black;
paint.SetStyle (Paint.Style.Fill);
int w = canvas.Width;
int h = canvas.Height;
int cx = w / 2;
int cy = h / 2;
canvas.Translate (cx, cy);
if (compass.mValues != null)
canvas.Rotate (-compass.mValues[0]);
canvas.DrawPath (mPath, mPaint);
}
protected override void OnDraw(Canvas canvas) {
canvas.DrawColor(Color.Transparent);
paint.Reset();
paint.AntiAlias = true;
float midX, midY, radius, innerRadius;
path.Reset();
float currentAngle = 270;
float currentSweep;
float totalValue = 0;
float padding = 2;
midX = Width / 2;
midY = Height/2;
if (midX < midY){
radius = midX;
} else {
radius = midY;
}
radius -= padding;
innerRadius = radius - thickness;
foreach (PieSlice slice in slices) {
totalValue += slice.getValue();
}
int count = 0;
foreach (PieSlice slice in slices) {
Path p = new Path();
paint.Color = slice.getColor ();
currentSweep = (slice.getValue()/totalValue)*(360);
p.ArcTo(new RectF(midX-radius, midY-radius, midX+radius, midY+radius), currentAngle+padding, currentSweep - padding);
p.ArcTo(new RectF(midX-innerRadius, midY-innerRadius, midX+innerRadius, midY+innerRadius), (currentAngle+padding) + (currentSweep - padding), -(currentSweep-padding));
p.Close ();
slice.setPath(p);
slice.setRegion(new Region((int)(midX-radius), (int)(midY-radius), (int)(midX+radius), (int)(midY+radius)));
canvas.DrawPath(p, paint);
if (indexSelected == count && listener != null){
path.Reset();
paint.Color = slice.getColor ();
paint.Color = Color.ParseColor ("#33B5E5");
paint.Alpha=100;
if (slices.Count > 1) {
path.ArcTo(new RectF(midX-radius-(padding*2), midY-radius-(padding*2), midX+radius+(padding*2), midY+radius+(padding*2)), currentAngle, currentSweep+padding);
path.ArcTo(new RectF(midX-innerRadius+(padding*2), midY-innerRadius+(padding*2), midX+innerRadius-(padding*2), midY+innerRadius-(padding*2)), currentAngle + currentSweep + padding, -(currentSweep + padding));
path.Close();
} else {
path.AddCircle(midX, midY, radius+padding, Android.Graphics.Path.Direction.Cw);
}
canvas.DrawPath(path, paint);
paint.Alpha=255;
}
currentAngle = currentAngle+currentSweep;
count++;
}
}
void DrawCross (Canvas canvas)
{
var smallSegment = Width / 6;
var path = cross ?? (cross = new Path ());
cross.Reset ();
path.MoveTo (0, 0);
path.RLineTo (smallSegment, 0);
path.LineTo (Width / 2, Height / 2);
path.LineTo (Width - smallSegment, 0);
path.RLineTo (smallSegment, 0);
path.LineTo (Width / 2 + smallSegment, Height / 2);
path.LineTo (Width, Height);
path.RLineTo (-smallSegment, 0);
path.LineTo (Width / 2, Height / 2);
path.LineTo (smallSegment, Height);
path.RLineTo (-smallSegment, 0);
path.LineTo (Width / 2 - smallSegment, Height / 2);
path.Close ();
if (crossPaint == null) {
crossPaint = new Paint {
AntiAlias = true,
Color = Android.Graphics.Color.White
};
}
canvas.DrawPath (path, crossPaint);
}
public static Bitmap ToTransformedCorners(Bitmap source, double topLeftCornerSize, double topRightCornerSize, double bottomLeftCornerSize, double bottomRightCornerSize,
CornerTransformType cornersTransformType, double cropWidthRatio, double cropHeightRatio)
{
double sourceWidth = source.Width;
double sourceHeight = source.Height;
double desiredWidth = sourceWidth;
double desiredHeight = sourceHeight;
double desiredRatio = cropWidthRatio / cropHeightRatio;
double currentRatio = sourceWidth / sourceHeight;
if (currentRatio > desiredRatio)
{
desiredWidth = (cropWidthRatio * sourceHeight / cropHeightRatio);
}
else if (currentRatio < desiredRatio)
{
desiredHeight = (cropHeightRatio * sourceWidth / cropWidthRatio);
}
topLeftCornerSize = topLeftCornerSize * (desiredWidth + desiredHeight) / 2 / 100;
topRightCornerSize = topRightCornerSize * (desiredWidth + desiredHeight) / 2 / 100;
bottomLeftCornerSize = bottomLeftCornerSize * (desiredWidth + desiredHeight) / 2 / 100;
bottomRightCornerSize = bottomRightCornerSize * (desiredWidth + desiredHeight) / 2 / 100;
float cropX = (float)((sourceWidth - desiredWidth) / 2);
float cropY = (float)((sourceHeight - desiredHeight) / 2);
Bitmap bitmap = Bitmap.CreateBitmap((int)desiredWidth, (int)desiredHeight, Bitmap.Config.Argb8888);
using (Canvas canvas = new Canvas(bitmap))
using (Paint paint = new Paint())
using (BitmapShader shader = new BitmapShader(source, Shader.TileMode.Clamp, Shader.TileMode.Clamp))
using (Matrix matrix = new Matrix())
using (var path = new Path())
{
if (cropX != 0 || cropY != 0)
{
matrix.SetTranslate(-cropX, -cropY);
shader.SetLocalMatrix(matrix);
}
paint.SetShader(shader);
paint.AntiAlias = true;
// TopLeft
if (cornersTransformType.HasFlag(CornerTransformType.TopLeftCut))
{
path.MoveTo(0, (float)topLeftCornerSize);
path.LineTo((float)topLeftCornerSize, 0);
}
else if (cornersTransformType.HasFlag(CornerTransformType.TopLeftRounded))
{
path.MoveTo(0, (float)topLeftCornerSize);
path.QuadTo(0, 0, (float)topLeftCornerSize, 0);
}
else
{
path.MoveTo(0, 0);
}
// TopRight
if (cornersTransformType.HasFlag(CornerTransformType.TopRightCut))
{
path.LineTo((float)(desiredWidth - topRightCornerSize), 0);
path.LineTo((float)desiredWidth, (float)topRightCornerSize);
}
else if (cornersTransformType.HasFlag(CornerTransformType.TopRightRounded))
{
path.LineTo((float)(desiredWidth - topRightCornerSize), 0);
path.QuadTo((float)desiredWidth, 0, (float)desiredWidth, (float)topRightCornerSize);
}
else
{
path.LineTo((float)desiredWidth ,0);
}
// BottomRight
if (cornersTransformType.HasFlag(CornerTransformType.BottomRightCut))
{
path.LineTo((float)desiredWidth, (float)(desiredHeight - bottomRightCornerSize));
path.LineTo((float)(desiredWidth - bottomRightCornerSize), (float)desiredHeight);
}
else if (cornersTransformType.HasFlag(CornerTransformType.BottomRightRounded))
{
path.LineTo((float)desiredWidth, (float)(desiredHeight - bottomRightCornerSize));
path.QuadTo((float)desiredWidth, (float)desiredHeight, (float)(desiredWidth - bottomRightCornerSize), (float)desiredHeight);
}
else
{
path.LineTo((float)desiredWidth, (float)desiredHeight);
}
// BottomLeft
if (cornersTransformType.HasFlag(CornerTransformType.BottomLeftCut))
{
path.LineTo((float)bottomLeftCornerSize, (float)desiredHeight);
path.LineTo(0, (float)(desiredHeight - bottomLeftCornerSize));
}
else if (cornersTransformType.HasFlag(CornerTransformType.BottomLeftRounded))
{
path.LineTo((float)bottomLeftCornerSize, (float)desiredHeight);
path.QuadTo(0, (float)desiredHeight, 0, (float)(desiredHeight - bottomLeftCornerSize));
}
else
{
path.LineTo(0, (float)desiredHeight);
}
path.Close();
canvas.DrawPath(path, paint);
return bitmap;
}
}
protected override void OnDraw(Canvas canvas)
{
// draw grid lines
mPaint.Color = new Color(255, 0, 0);
mPaint.StrokeWidth = 1;
for ( float y = GRID_GAP; y < canvas.Height; y += GRID_GAP)
{
gridpath.Reset ();
gridpath.MoveTo (0, y);
gridpath.LineTo (canvas.Width, y);
canvas.DrawPath(gridpath, mPaint);
}
mPaint.Color = new Color(0, 0, 255);
mPaint.StrokeWidth = 3;
// draw strokes
foreach(var aMPathList in mPathList)
{
canvas.DrawPath(aMPathList, mPaint);
}
canvas.DrawPath(mPath, mPaint);
}
public void Draw(Canvas canvas)
{
if (Hidden)
{
return;
}
canvas.Save();
if (!Focused)
{
outlinePaint.Color = Color.White;
canvas.DrawRect(DrawRect, outlinePaint);
}
else
{
Rect viewDrawingRect = new Rect();
context.GetDrawingRect(viewDrawingRect);
outlinePaint.Color = Color.White;// new Color(0XFF, 0xFF, 0x8A, 0x00);
focusPaint.Color = new Color(50, 50, 50, 125);
Path path = new Path();
path.AddRect(new RectF(DrawRect), Path.Direction.Cw);
canvas.ClipPath(path, Region.Op.Difference);
canvas.DrawRect(viewDrawingRect, focusPaint);
canvas.Restore();
canvas.DrawPath(path, outlinePaint);
if (mode == ModifyMode.Grow)
{
int left = DrawRect.Left + 1;
int right = DrawRect.Right + 1;
int top = DrawRect.Top + 4;
int bottom = DrawRect.Bottom + 3;
int widthWidth = resizeDrawableWidth.IntrinsicWidth / 2;
int widthHeight = resizeDrawableWidth.IntrinsicHeight / 2;
int heightHeight = resizeDrawableHeight.IntrinsicHeight / 2;
int heightWidth = resizeDrawableHeight.IntrinsicWidth / 2;
int xMiddle = DrawRect.Left + ((DrawRect.Right - DrawRect.Left) / 2);
int yMiddle = DrawRect.Top + ((DrawRect.Bottom - DrawRect.Top) / 2);
resizeDrawableWidth.SetBounds(left - widthWidth,
yMiddle - widthHeight,
left + widthWidth,
yMiddle + widthHeight);
resizeDrawableWidth.Draw(canvas);
resizeDrawableWidth.SetBounds(right - widthWidth,
yMiddle - widthHeight,
right + widthWidth,
yMiddle + widthHeight);
resizeDrawableWidth.Draw(canvas);
resizeDrawableHeight.SetBounds(xMiddle - heightWidth,
top - heightHeight,
xMiddle + heightWidth,
top + heightHeight);
resizeDrawableHeight.Draw(canvas);
resizeDrawableHeight.SetBounds(xMiddle - heightWidth,
bottom - heightHeight,
xMiddle + heightWidth,
bottom + heightHeight);
resizeDrawableHeight.Draw(canvas);
}
}
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
if(null == _viewPager) return;
var count = _viewPager.Adapter.Count;
if(0 == count) return;
if(-1 == _currentPage && _viewPager != null)
_currentPage = _viewPager.CurrentItem;
var bounds = CalculateAllBounds(_paintText);
var boundsSize = bounds.Count;
if(_currentPage >= boundsSize)
{
CurrentItem = boundsSize - 1;
return;
}
var countMinusOne = count - 1;
var halfWidth = Width / 2f;
var leftClip = Left + ClipPadding;
var right = Left + Width;
var rightClip = right - ClipPadding;
var height = Height;
var left = Left;
var page = _currentPage;
float offsetPercent;
if(_pageOffset <= 0.5)
offsetPercent = _pageOffset;
else
{
page += 1;
offsetPercent = 1 - _pageOffset;
}
var currentSelected = (offsetPercent <= SelectionFadePercentage);
var currentBold = (offsetPercent <= BoldFadePercentage);
var selectedPercent = (SelectionFadePercentage - offsetPercent) / SelectionFadePercentage;
//Verify if the current view must be clipped to the screen
var curPageBound = bounds[_currentPage];
var curPageWidth = curPageBound.Right - curPageBound.Left;
if(curPageBound.Left < leftClip)
ClipViewOnTheLeft(curPageBound, curPageWidth, left);
if(curPageBound.Right > rightClip)
ClipViewOnTheRight(curPageBound, curPageWidth, right);
//Left view is starting from the current position
if(_currentPage > 0)
{
for(var i = _currentPage - 1; i >= 0; i--)
{
var bound = bounds[i];
//Is left side outside the screen?
if(bound.Left < leftClip)
{
var w = bound.Right - bound.Left;
//Clip to the left screen side
ClipViewOnTheLeft(bound, w, left);
var rightBound = bounds[i + 1];
//Except if there is an intersection with the right view
if(bound.Right + TitlePadding > rightBound.Left)
{
bound.Left = (int)(rightBound.Left - w - TitlePadding);
bound.Right = bound.Left + w;
}
}
}
}
//Right view is starting from the current position
if(_currentPage < countMinusOne)
{
for(var i = _currentPage + 1; i < count; i++)
{
var bound = bounds[i];
//Is right side outside the screen?
if(bound.Right > rightClip)
{
var w = bound.Right - bound.Left;
//Clip to the right screen side
ClipViewOnTheRight(bound, w, Right);
var leftBound = bounds[i - 1];
//Except if there is an intersection with the left view
if(bound.Left - TitlePadding < leftBound.Right)
{
bound.Left = (int)(leftBound.Right + TitlePadding);
bound.Right = bound.Left + w;
}
}
}
}
//Now draw views!
var colorTextAlpha = _colorText >> 24;
for(var i = 0; i < count; i++)
{
//Get the title
var bound = bounds[i];
//Only if one side is visible
if((bound.Left > left && bound.Left < right) || (bound.Right > left && bound.Right < right))
{
var currentPage = (i == page);
var pageTitle = GetTitle(i);
//Only set bold if we are within bounds
_paintText.FakeBoldText = currentPage && currentBold && _boldText;
//Draw text as unselected
_paintText.Color = _colorText;
if(currentPage && currentSelected)
//Fade out/in unselected text as the selected text fades in/out
_paintText.Alpha = colorTextAlpha - (int)(colorTextAlpha * selectedPercent);
//Except if there is an intersection with the right view
if(i < boundsSize - 1)
{
var rightBound = bounds[i + 1];
if(bound.Right + TitlePadding > rightBound.Left)
{
var w = bound.Right - bound.Left;
bound.Left = (int)(rightBound.Left - w - TitlePadding);
bound.Right = bound.Left + w;
}
}
canvas.DrawText(pageTitle, 0, pageTitle.Length, bound.Left, bound.Bottom + TopPadding, _paintText);
//If we are within the selected bound draw the selected text
if(currentPage && currentSelected)
{
_paintText.Color = _colorSelected;
_paintText.Alpha = (int)((_colorSelected >> 24) * selectedPercent);
canvas.DrawText(pageTitle, 0, pageTitle.Length, bound.Left, bound.Bottom + TopPadding, _paintText);
}
}
}
//If we want the line on the top change height to zero and invert line height to trick the drawing code
var footerLineHeight = _footerLineHeight;
var footerIndicatorLineHeight = _footerIndicatorHeight;
if(_linePosition == LinePosition.Top)
{
height = 0;
footerLineHeight = -footerLineHeight;
footerIndicatorLineHeight = -footerIndicatorLineHeight;
}
//Draw the footer line
_path.Reset();
_path.MoveTo(0, height - footerLineHeight / 2f);
_path.MoveTo(Width, height - footerLineHeight / 2f);
_path.Close();
canvas.DrawPath(_path, _paintFooterLine);
var heightMinusLine = height - footerLineHeight;
switch(_footerIndicatorStyle)
{
case IndicatorStyle.Triangle:
_path.Reset();
_path.MoveTo(halfWidth, heightMinusLine - footerIndicatorLineHeight);
_path.LineTo(halfWidth + footerIndicatorLineHeight, heightMinusLine);
_path.LineTo(halfWidth - footerIndicatorLineHeight, heightMinusLine);
_path.Close();
canvas.DrawPath(_path, _paintFooterIndicator);
break;
case IndicatorStyle.Underline:
if(!currentSelected || page >= boundsSize)
break;
var underlineBounds = bounds[page];
var rightPlusPadding = underlineBounds.Right + _footerIndicatorUnderlinePadding;
var leftMinusPadding = underlineBounds.Left - _footerIndicatorUnderlinePadding;
var heightMinusLineMinusIndicator = heightMinusLine - footerIndicatorLineHeight;
_path.Reset();
_path.MoveTo(leftMinusPadding, heightMinusLine);
_path.LineTo(rightPlusPadding, heightMinusLine);
_path.LineTo(rightPlusPadding, heightMinusLineMinusIndicator);
_path.LineTo(leftMinusPadding, heightMinusLineMinusIndicator);
_path.Close();
_paintFooterIndicator.Alpha = (int)(0xFF * selectedPercent);
canvas.DrawPath(_path, _paintFooterIndicator);
_paintFooterIndicator.Alpha = 0xFF;
break;
}
}
/// <summary>
/// Implement this to do your drawing.
/// </summary>
/// <param name="canvas">the canvas on which the background will be drawn</param>
/// <since version="Added in API level 1" />
/// <remarks>
/// <para tool="javadoc-to-mdoc">Implement this to do your drawing.</para>
/// <para tool="javadoc-to-mdoc">
/// <format type="text/html">
/// <a href="http://developer.android.com/reference/android/view/View.html#onDraw(android.graphics.Canvas)"
/// target="_blank">
/// [Android Documentation]
/// </a>
/// </format>
/// </para>
/// </remarks>
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
var r = new Rect(0, 0, canvas.Width, canvas.Height);
var dAdjustedThicnkess = (float)Thickness * _dm;
var paint = new Paint { Color = StrokeColor, StrokeWidth = dAdjustedThicnkess, AntiAlias = true };
paint.SetStyle(Paint.Style.Stroke);
switch (StrokeType)
{
case StrokeType.Dashed:
paint.SetPathEffect(new DashPathEffect(new[] { 6 * _dm, 2 * _dm }, 0));
break;
case StrokeType.Dotted:
paint.SetPathEffect(new DashPathEffect(new[] { dAdjustedThicnkess, dAdjustedThicnkess }, 0));
break;
}
var thicknessOffset = (dAdjustedThicnkess) / 2.0f;
var p = new Path();
if (Orientation == SeparatorOrientation.Horizontal)
{
p.MoveTo(0, thicknessOffset);
p.LineTo(r.Width(), thicknessOffset);
}
else
{
p.MoveTo(thicknessOffset, 0);
p.LineTo(thicknessOffset, r.Height());
}
canvas.DrawPath(p, paint);
}
public static Bitmap Draw(int width, int height, double direction)
{
if(width == 0 || height == 0)
return null;
int w2 = width / 2;
int h2 = height / 2;
Paint light = new Paint(PaintFlags.AntiAlias);
Paint dark = new Paint(PaintFlags.AntiAlias);
Paint black = new Paint(PaintFlags.AntiAlias);
light.Color = new Color(128, 0, 0, 255);
light.StrokeWidth = 0f;
light.SetStyle(Paint.Style.FillAndStroke);
dark.Color = new Color(255, 0, 0, 255);
dark.StrokeWidth = 0f;
dark.SetStyle(Paint.Style.FillAndStroke);
black.Color = new Color(0, 0, 0, 255);
black.StrokeWidth = 0f;
black.SetStyle(Paint.Style.Stroke);
// Values of direction are between 0° and 360°, but for drawing we need -180° to +180°
direction -= 180;
double rad1 = direction / 180.0 * Math.PI;
double rad2 = (direction + 180.0 + 30.0) / 180.0 * Math.PI;
double rad3 = (direction + 180.0 - 30.0) / 180.0 * Math.PI;
double rad4 = (direction + 180.0) / 180.0 * Math.PI;
PointF p1 = new PointF((float) (w2 + w2 * Math.Sin (rad1)), (float) (h2 + h2 * Math.Cos (rad1)));
PointF p2 = new PointF((float) (w2 + w2 * Math.Sin (rad2)), (float) (h2 + h2 * Math.Cos (rad2)));
PointF p3 = new PointF((float) (w2 + w2 * Math.Sin (rad3)), (float) (h2 + h2 * Math.Cos (rad3)));
PointF p4 = new PointF((float) (w2 + width / 3 * Math.Sin (rad4)), (float) (h2 + height / 3 * Math.Cos (rad4)));
Bitmap b = Bitmap.CreateBitmap(width, height, Bitmap.Config.Argb8888);
using(Canvas c = new Canvas(b)) {
int cx = c.Width / 2 - 1;
int cy = c.Height / 2 - 1;
global::Android.Graphics.Path path1 = new global::Android.Graphics.Path ();
global::Android.Graphics.Path path2 = new global::Android.Graphics.Path ();
global::Android.Graphics.Path path3 = new global::Android.Graphics.Path ();
path1.MoveTo (p1.X,p1.Y);
path1.LineTo (p2.X,p2.Y);
path1.LineTo (p4.X,p4.Y);
path1.LineTo (p1.X,p1.Y);
path2.MoveTo (p1.X,p1.Y);
path2.LineTo (p3.X,p3.Y);
path2.LineTo (p4.X,p4.Y);
path2.LineTo (p1.X,p1.Y);
path3.MoveTo (p1.X,p1.Y);
path3.LineTo (p2.X,p2.Y);
path3.LineTo (p4.X,p4.Y);
path3.LineTo (p1.X,p1.Y);
path3.LineTo (p3.X,p3.Y);
path3.LineTo (p4.X,p4.Y);
light.Color = new Color (128, 0, 0, 255);
dark.Color = new Color (255, 0, 0, 255);
black.Color = new Color (0, 0, 0, 255);
c.DrawPath (path1, light);
c.DrawPath (path2, dark);
c.DrawPath (path3, black);
}
return b;
}
protected virtual void DrawLineCore(IGeometry line, Paint linePaint, Rect imageRegion, Rect clipBounds,
BoundingBox screenBox, MapView mapView, Canvas canvas)
{
var projection = mapView.Projection;
List<GeoPoint> data = Simplify(mapView, ((LineString) line).Vertices);
if (Rect.Intersects(imageRegion, clipBounds))
{
//long start = System.CurrentTimeMillis();
_path.Reset();
Point currentPoint = null;
Point nextPoint = null;
for (int i = 0; i < data.Count; i++)
{
var currentGeoPoint = data[i];
if (!screenBox.Contains(currentGeoPoint))
{
if (i + 1 < data.Count)
{
currentPoint = projection.ToPixels(currentGeoPoint, currentPoint);
var nextGeoPoint = data[i + 1];
if (screenBox.Contains(nextGeoPoint))
{
nextPoint = projection.ToPixels(nextGeoPoint, null);
DrawLine(nextPoint, currentPoint);
}
}
}
else
{
currentPoint = projection.ToPixels(currentGeoPoint, currentPoint);
if (ShowPoints)
{
if (PointPaint == null)
{
PointPaint = CreatePointPaint();
}
canvas.DrawCircle(currentPoint.X, currentPoint.Y, PointPaint.StrokeWidth, PointPaint);
}
GeoPoint nextGeoPoint = null;
if (data.Count > i + 1)
{
nextGeoPoint = (GeoPoint) data[i + 1];
}
if (nextGeoPoint != null)
{
nextPoint = projection.ToPixels(nextGeoPoint, null);
DrawLine(currentPoint, nextPoint);
}
}
}
if (_path.IsEmpty)
{
for (int i = 0; i < data.Count; i++)
{
GeoPoint currentGeoPoint = data[i];
GeoPoint nextGeoPoint = null;
if (data.Count > i + 1)
{
nextGeoPoint = data[i + 1];
}
if (nextGeoPoint != null)
{
currentPoint = projection.ToPixels(currentGeoPoint, null);
nextPoint = projection.ToPixels(nextGeoPoint, null);
DrawLine(currentPoint, nextPoint);
}
}
}
//long end = System.currentTimeMillis();
#if DEBUG
//Log.Debug("com.mapquest.android.maps.lineoverlay", "Time to process shapepoints: " + (float)(end - start) / 1000.0F + "; no. of points: " + data.Count);
#endif
canvas.DrawPath(_path, LinePaint);
#if DEBUG
//Log.Debug("com.mapquest.android.maps.lineoverlay", "Time to draw path shapepoints: " + (float)(System.currentTimeMillis() - end) / 1000.0F + "; no. of points: " + data.Count);
#endif
}
}