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));
}
// if sweepAngle is negative, the gradient will fade inward, if it's positive, outward.
public static void DrawGradientArc(Canvas canvas, TinyTypeLib.PointF center, float radius, float startAngle, float sweepAngle, int gradientSize, Color color)
{
//center = new TinyTypeLib.PointF(center.X + 30, center.Y);
float radiusToUse = sweepAngle < 0 ? radius : radius + gradientSize;
float gradientPercent = gradientSize / (float)radius;
int[] colors;
float[] positions;
Paint paint = new Paint();
paint.SetStyle(Paint.Style.FillAndStroke);
if (sweepAngle > 0)
{
// We need to clip out the middle of the circle so the mirrored gradient doesn't show
Path cp = new Path();
cp.AddCircle(center.X, center.Y, radius, Path.Direction.Cw);
canvas.ClipPath(cp, Region.Op.Difference);
}
colors = new int[] { AndroidUtil.GetTransparentColor(color), AndroidUtil.GetTransparentColor(color), color };
positions = new float[] { 0f, 1 - gradientPercent, 1f };
paint.SetShader(new RadialGradient(center.X, center.Y, radius, colors, positions, Shader.TileMode.Mirror));
RectF square = new RectF(center.X - radiusToUse, center.Y - radiusToUse, center.X + radiusToUse, center.Y + radiusToUse);
canvas.DrawArc(square, startAngle, sweepAngle, true, paint);
/* Draw circles for reference
* Paint circlePaint = new Paint();
* circlePaint.Color = Color.Black;
* circlePaint.SetStyle(Paint.Style.Stroke);
* canvas.DrawCircle(center.X, center.Y, radius, circlePaint);
* canvas.DrawCircle(center.X, center.Y, radiusToUse, circlePaint);
*/
}
protected override bool DrawChild(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
using (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();
return(result);
}
}
catch { }
return(base.DrawChild(canvas, child, drawingTime));
}
protected override bool DrawChild(Canvas canvas, Android.Views.View child, long drawingTime)
{
try
{
var radius = (float)Math.Min(Width, Height) / 2f;
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
{
AntiAlias = true
};
paint.SetStyle(Paint.Style.Fill);
paint.Color = Xamarin.Forms.Color.Transparent.ToAndroid();
canvas.DrawPath(path, paint);
paint.Dispose();
var result = base.DrawChild(canvas, child, drawingTime);
path.Dispose();
canvas.Restore();
path = new Path();
path.AddCircle(Width / 2f, Height / 2f, radius, Path.Direction.Ccw);
path.Dispose();
return(result);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Unable to create circle image: " + ex);
}
return(base.DrawChild(canvas, child, drawingTime));
}
void Initialize()
{
// Create Paint for all drawing
paint = new Paint();
// All paths are based on 100-unit clock radius
// centered at (0, 0).
// Define circle for tick marks.
tickMarks = new Path();
tickMarks.AddCircle(0, 0, 90, Path.Direction.Cw);
// Hour, minute, second hands defined to point straight up.
// Define hour hand.
hourHand = new Path();
hourHand.MoveTo(0, -60);
hourHand.CubicTo(0, -30, 20, -30, 5, -20);
hourHand.LineTo(5, 0);
hourHand.CubicTo(5, 7.5f, -5, 7.5f, -5, 0);
hourHand.LineTo(-5, -20);
hourHand.CubicTo(-20, -30, 0, -30, 0, -60);
hourHand.Close();
// Define minute hand.
minuteHand = new Path();
minuteHand.MoveTo(0, -80);
minuteHand.CubicTo(0, -75, 0, -70, 2.5f, -60);
minuteHand.LineTo(2.5f, 0);
minuteHand.CubicTo(2.5f, 5, -2.5f, 5, -2.5f, 0);
minuteHand.LineTo(-2.5f, -60);
minuteHand.CubicTo(0, -70, 0, -75, 0, -80);
minuteHand.Close();
// Define second hand.
secondHand = new Path();
secondHand.MoveTo(0, 10);
secondHand.LineTo(0, -80);
}
protected override bool DrawChild(Canvas canvas, global::Android.Views.View child, long drawingTime)
{
if (this.Element.Aspect == Aspect.AspectFit)
{
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);
path.Dispose();
return(result);
}
return(base.DrawChild(canvas, child, drawingTime));
}
protected override void DispatchDraw(Canvas canvas)
{
if (showcaseX < 0 || showcaseY < 0 || isRedundant)
{
base.DispatchDraw(canvas);
return;
}
bool recalculatedCling = mShowcaseDrawer.CalculateShowcaseRect(showcaseX, showcaseY);
bool recalculateText = recalculatedCling || mAlteredText;
mAlteredText = false;
if (Build.VERSION.SdkInt <= BuildVersionCodes.Honeycomb && !mHasNoTarget)
{
var path = new Path();
path.AddCircle(showcaseX, showcaseY, showcaseRadius, Path.Direction.Cw);
canvas.ClipPath(path, Region.Op.Difference);
}
//Draw background color
canvas.DrawColor(mBackgroundColor);
// Draw the showcase drawable
if (!mHasNoTarget)
{
mShowcaseDrawer.DrawShowcase(canvas, showcaseX, showcaseY, scaleMultiplier, showcaseRadius);
}
// Draw the text on the screen, recalculating its position if necessary
if (recalculateText)
{
mTextDrawer.CalculateTextPosition(canvas.Width, canvas.Height, this);
}
mTextDrawer.Draw(canvas, recalculateText);
base.DispatchDraw(canvas);
}
static void Main()
{
// Create new document
Document pdfDocument = new Document();
pdfDocument.RegistrationName = "demo";
pdfDocument.RegistrationKey = "demo";
// Add page
Page page = new Page(PaperFormat.A4);
pdfDocument.Pages.Add(page);
PointF center = new PointF(200, 200);
// Create clipping path from circle
Path path = new Path();
path.AddCircle(center, 100);
page.Canvas.SetClip(path);
// Paint rectangle over the clipping circle.
// Only part of the rectangle intersecting the clipping circle will be drawn.
SolidBrush brush = new SolidBrush(new ColorRGB(255, 0, 0));
page.Canvas.DrawRectangle(brush, center.X - 50, center.Y - 50, 200, 200);
// Save document to file
pdfDocument.Save("result.pdf");
// Cleanup
pdfDocument.Dispose();
// Open result document in default associated application (for demo purpose)
ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
processStartInfo.UseShellExecute = true;
Process.Start(processStartInfo);
}
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) {
System.Diagnostics.Debug.WriteLine("Unable to create circle image: " + ex);
}
return(base.DrawChild(canvas, child, drawingTime));
}
public override void Draw(Canvas canvas)
{
if (Flag)
{
//抗锯齿
canvas.DrawFilter = new PaintFlagsDrawFilter(PaintFlags.AntiAlias | PaintFlags.FilterBitmap, PaintFlags.AntiAlias | PaintFlags.FilterBitmap);
var density = this.Context.Resources.DisplayMetrics.Density;
var path = new Path();
path.AddCircle(canvas.Width / 2, canvas.Height / 2, (float)this.Element.Radius * density, Path.Direction.Ccw);
canvas.ClipPath(path, Region.Op.Intersect);
canvas.DrawColor(this.Element.BackgroundColor.ToAndroid());
path.Dispose();
}
else
{
var bmp = this.GetClip(canvas.Width, canvas.Height, this.BgColor);
var paint = new Paint(PaintFlags.AntiAlias);
canvas.DrawBitmap(bmp, 0, 0, paint);
paint.Dispose();
bmp.Dispose();
}
base.Draw(canvas);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
double paddedWidth = Width - Graph.Padding.HorizontalThickness,
paddedHeight = Height - Graph.Padding.VerticalThickness;
paint.AntiAlias = true;
//canvas.DrawColor(Color.Aqua);
paint.StrokeWidth = 2;
paint.SetPathEffect(new DashPathEffect(new float[] { 15, 10 }, 0));
for (int i = 0; i <= 5; i++)
{
canvas.DrawLine(0, 1 + i * (Height - 2) / 5, Width, 1 + i * (Height - 2) / 5, paint);
}
if (Graph.X.Length > 0 && Graph.Y.Length > 0)
{
paint.StrokeWidth = 6;
paint.SetPathEffect(null);
canvas.Translate((float)Graph.Padding.Left, (float)Graph.Padding.Top);
canvas.Scale((float)paddedWidth / Width, (float)paddedHeight / Height);
var path = new Path();
path.MoveTo(Width * Graph.X[0] / Graph.XAxis, Height - Height * Graph.Y[0] / Graph.YAxis);
for (int i = 0; i < Graph.X.Length; i++)
{
path.LineTo(Width * Graph.X[i] / Graph.XAxis, Height - Height * Graph.Y[i] / Graph.YAxis);
path.AddCircle(Width * Graph.X[i] / Graph.XAxis, Height - Height * Graph.Y[i] / Graph.YAxis, 3, Path.Direction.Cw);
}
canvas.DrawPath(path, paint);
}
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
Paint paint = new Paint();
switch (Mode)
{
case StylerButtonMode.sbDisabled: paint.Color = disabledColor; break;
case StylerButtonMode.sbEnabled: paint.Color = enabledColor; break;
case StylerButtonMode.SbActive: paint.Color = activeColor; break;
case StylerButtonMode.sbFlash:
if (isLight)
{
paint.Color = activeColor;
}
else
{
paint.Color = enabledColor;
}
break;
default: throw new ApplicationException("Mode undefined!!!");
}
paint.SetStyle(Paint.Style.Fill);
Path path = new Path();
path.Reset();
path.MoveTo(measureWidth / 2, measureHeight / 2);
path.AddCircle(measureWidth / 2, measureHeight / 2, measureHeight / 6, Path.Direction.Ccw);
canvas.DrawPath(path, paint);
}
protected override bool DrawChild(Canvas canvas, View child, long drawingTime)
{
// Define a circle that fills the canvas
var path = new Path();
var bounds = canvas.ClipBounds;
int minDimension = Math.Min(bounds.Width(), bounds.Height());
// This may round to zero but Android should always draw at least one pixel
float strokeWidth = (float)Math.Round(minDimension / DiameterToStrokeRatio);
float radius = (minDimension - strokeWidth) / 2f;
path.AddCircle(bounds.ExactCenterX(), bounds.ExactCenterY(), radius, Path.Direction.Cw);
var paint = new Paint(PaintFlags.AntiAlias)
{
Color = Color.Black, StrokeWidth = strokeWidth
};
// Fill inside the circle if the switch is toggled on
paint.SetStyle(Element.IsToggled ? Paint.Style.FillAndStroke : Paint.Style.Stroke);
// Draw the circle
canvas.DrawPath(path, paint);
return(true);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
// set canvas background color
// canvas.DrawColor(bgColor);
// set stroke width
paint.StrokeWidth = ((float)(0.02083 * screenW));
// initializing paths
path = new Path();
path1 = new Path();
// positioning Sun with respect to cloud
PointF P5c1 = cloud.getP5c1(X, Y, screenW, count);
if (XSun == 0)
{
// center point for Sun
XSun = P5c1.X;
YSun = P5c1.Y + (int)(0.042 * screenW);
}
//incrementing counter for rotation
count = count + 0.5;
//comparison to check 360 degrees rotation
int retval = Double.Compare(count, 360.00);
if (retval == 0)
{
if (!isAnimated)
{
// mark completion of animation
isAnimated = true;
//resetting counter on completion of a rotation
count = 0;
}
else
{
//resetting counter on completion of a rotation
count = 0;
}
}
// drawing center circle
path.AddCircle(XSun, YSun, (int)(0.083 * screenW), Path.Direction.Cw);
// drawing arms of sun
for (int i = 0; i < 360; i += 45)
{
path1.MoveTo(XSun, YSun);
float x1 = (float)((int)(0.1146 * screenW) * Math.Cos(Math.ToRadians(i + count / 4)) + XSun); //arm pointX at radius 50 with incrementing angle from center of sun
float y1 = (float)((int)(0.1146 * screenW) * Math.Sin(Math.ToRadians(i + count / 4)) + YSun); //arm pointY at radius 50 with incrementing angle from center of sun
float X2 = (float)((int)(0.1563 * screenW) * Math.Cos(Math.ToRadians(i + count / 4)) + XSun); //arm pointX at radius 65 with incrementing angle from center of sun
float Y2 = (float)((int)(0.1563 * screenW) * Math.Sin(Math.ToRadians(i + count / 4)) + YSun); //arm pointY at radius 65 with incrementing angle from center of sun
path1.MoveTo(x1, y1); // draw arms of sun
path1.LineTo(X2, Y2);
}
// drawing sun
canvas.DrawPath(path, paint);
canvas.DrawPath(path1, paint);
// drawing cloud with fill
paint.Color = (bgColor);
paint.SetStyle(Paint.Style.Fill);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paint);
// drawing cloud with stroke
paint.Color = (strokeColor);
paint.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paint);
if (!isStatic || !isAnimated)
{
// invalidate if not static or not animating
Invalidate();
}
}
protected override void OnDraw(Canvas canvas)
{
float centerX = Width / 2F;
float centerY = Height / 2F;
float uniformWidth = Math.Min(Math.Min(centerX, centerY), RenderSize);
//
Path pathClip = new Path();
switch (shape)
{
case AvatarShape.Circle:
pathClip.AddCircle(centerX, centerY, uniformWidth - (BorderRadius * 2), Path.Direction.Cw);
break;
case AvatarShape.RoundedRect:
pathClip.AddRoundRect(0, 0, Width, Height, 5, 5, Path.Direction.Ccw);
break;
}
canvas.Save(SaveFlags.Clip);
canvas.ClipPath(pathClip);
//
canvas.DrawColor(backgroundColor);
if (_fetchImage && placeHolderImage == null)
{
canvas.DrawColor(Color.LightGray);
}
else
{
if (image != null)
{
float subX = imageSize != null ? imageSize.Width / 2F : image.Width / 2F;
float subY = imageSize != null ? imageSize.Height / 2F : image.Height / 2F;
canvas.DrawBitmap(image,
new Rect(0, 0, image.Width, image.Height),
new Rect((int)(centerX - subX),
(int)(centerY - subY),
(int)(centerX - subX + subX * 2F),
(int)(centerY - subY + subY * 2F)),
null);
}
else if (placeHolderImage != null)
{
float subX = placeHolderImageSize != null ? placeHolderImageSize.Width / 2F : placeHolderImage.Width / 2F;
float subY = placeHolderImageSize != null ? placeHolderImageSize.Height / 2F : placeHolderImage.Height / 2F;
canvas.DrawBitmap(placeHolderImage, new Rect(0, 0, placeHolderImage.Width, placeHolderImage.Height), new Rect((int)(centerX - subX), (int)(centerY - subY),
(int)((centerX - subX) + subX * 2F),
(int)((centerY - subY) + subY * 2F)),
null);
if (_fetchImage)
{
canvas.DrawColor(OverlayColor);
}
}
else if (Name != null)
{
string avatarName = AvatarName;
Paint p = new Paint()
{
Color = GetAvatarBackgroundColor(avatarName),
};
p.Flags |= PaintFlags.AntiAlias;
//
p.SetStyle(Paint.Style.Fill);
canvas.DrawPaint(p);
// Set
p.Color = Color.White;
p.SetTypeface(Typeface.SansSerif);
p.TextSize = 60;
//
var metrics = p.GetFontMetrics();
float width = p.MeasureText(avatarName);
canvas.DrawText(avatarName, centerX - width / 2F, centerY + metrics.Bottom, p);
}
}
if (BorderRadius > 0)
{
canvas.Restore();
//
var cPaint = new Paint();
cPaint.Flags |= PaintFlags.AntiAlias;
cPaint.Color = BorderColor;
cPaint.StrokeWidth = BorderRadius;
cPaint.SetStyle(Paint.Style.Stroke);
if (DrawShadow && !canvas.IsHardwareAccelerated)
{
cPaint.SetShadowLayer(ShadowRadius, ShadowOffsetX, ShadowOffsetY, ShadowColor);
}
//
switch (shape)
{
case AvatarShape.Circle:
canvas.DrawCircle(centerX, centerY, uniformWidth - (BorderRadius * 2F), cPaint);
break;
case AvatarShape.RoundedRect:
{
canvas.DrawRoundRect(0, 0, Width, Height, 5, 5, cPaint);
}
break;
}
}
}
private void Initialize()
{
mPath = new Path();
mPath.AddCircle(40, 40, 45, Path.Direction.Ccw);
mPath.AddCircle(80, 80, 45, Path.Direction.Ccw);
}
void drawLines(Canvas canvas, Paint paint)
{
float x, y;
// Draw curved graph line
var whiteAlpha25 = Color.Argb(64, 255, 255, 255);
//var whiteAlpha70 = Color.Argb (64, 255, 255, 255);
var start = new PointF();
var end = new PointF();
using (Path path = new Path()) {
var count = hourly ? HourlyTemps.Count : (Forecasts.Count * 2);
for (int i = 0; i < count; i++)
{
// adjusted index
var ai = i;
double temp;
if (hourly)
{
temp = HourlyTemps [ai];
}
else
{
// reset start when switching from highs to lows
if (i == Forecasts.Count)
{
start = new PointF();
}
var highs = i < Forecasts.Count;
ai = highs ? i : i - Forecasts.Count;
temp = highs ? HighTemps [ai] : LowTemps [ai];
}
var percent = ((float)temp - scaleLow) / scaleRange;
x = padding + inset + (ai * scaleX);
y = graphRect.Bottom - (graphRect.Height() * percent);
end = new PointF(x, y);
if (!hourly)
{
path.AddCircle(end.X - lineWidth, end.Y - lineWidth, lineWidth / 2, Path.Direction.Cw);
}
if (start.IsEmpty())
{
path.MoveTo(end);
}
else
{
path.MoveTo(start);
if (hourly)
{
path.LineTo(end);
}
else
{
var diff = (end.X - start.X) / 2;
path.CubicTo(end.X - diff, start.Y, start.X + diff, end.Y, end.X, end.Y);
}
}
start = end;
}
paint.Color = whiteAlpha25;
paint.StrokeWidth = lineWidth;
paint.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(path, paint);
}
}
public override void CreateBorderedPath(Path path, Circle shape, int width, int height, int strokeWidth)
{
var radius = (Math.Min(width, height) - strokeWidth) / 2f;
path.AddCircle(width / 2f, height / 2f, radius, Path.Direction.Ccw);
}
/// <summary>
///
/// </summary>
/// <param name="canvas"></param>
/// <param name="child"></param>
/// <param name="drawingTime"></param>
/// <returns></returns>
protected override bool DrawChild(Canvas canvas, Android.Views.View child, long drawingTime)
{
try
{
float radius = Math.Min(Width, Height) / 2f;
float borderThickness = ((DonorPlus.Renderers.ImageRenderer)Element).BorderThickness;
float strokeWidth = 0f;
if (borderThickness > 0)
{
float logicalDensity = Android.App.Application.Context.Resources.DisplayMetrics.Density;
strokeWidth = (float)Math.Ceiling(borderThickness * logicalDensity + .5f);
}
radius -= strokeWidth / 2f;
Path path = new Path();
path.AddCircle(Width / 2.0f, Height / 2.0f, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
Paint paint = new Paint
{
AntiAlias = true
};
paint.SetStyle(Paint.Style.Fill);
paint.Color = ((DonorPlus.Renderers.ImageRenderer)Element).FillColor.ToAndroid();
canvas.DrawPath(path, paint);
paint.Dispose();
bool result = base.DrawChild(canvas, child, drawingTime);
path.Dispose();
canvas.Restore();
path = new Path();
path.AddCircle(Width / 2f, Height / 2f, radius, Path.Direction.Ccw);
if (strokeWidth > 0.0f)
{
paint = new Paint
{
AntiAlias = true,
StrokeWidth = strokeWidth
};
paint.SetStyle(Paint.Style.Stroke);
paint.Color = ((DonorPlus.Renderers.ImageRenderer)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 Init(Context context, IAttributeSet attrs)
{
var thumbNormal = Resource.Drawable.seek_thumb_normal;
var thumbPressed = Resource.Drawable.seek_thumb_pressed;
var thumbDisabled = Resource.Drawable.seek_thumb_disabled;
Color thumbShadowColor;
var defaultShadowColor = Color.Argb(75, 0, 0, 0);
var defaultShadowYOffset = PixelUtil.DpToPx(context, 2);
var defaultShadowXOffset = PixelUtil.DpToPx(context, 0);
var defaultShadowBlur = PixelUtil.DpToPx(context, 2);
_distanceToTop = PixelUtil.DpToPx(context, DefaultTextDistanceToTopInDp);
if (attrs == null)
{
SetRangeToDefaultValues();
_internalPad = PixelUtil.DpToPx(context, InitialPaddingInDp);
_barHeight = PixelUtil.DpToPx(context, LineHeightInDp);
ActiveColor = DefaultActiveColor;
DefaultColor = Color.Gray;
AlwaysActive = false;
ShowTextAboveThumbs = true;
TextAboveThumbsColor = Color.White;
thumbShadowColor = defaultShadowColor;
ThumbShadowXOffset = defaultShadowXOffset;
ThumbShadowYOffset = defaultShadowYOffset;
_thumbShadowBlur = defaultShadowBlur;
ActivateOnDefaultValues = false;
TextSizeInSp = DefaultTextSizeInSp;
}
else
{
var a = Context.ObtainStyledAttributes(attrs, Resource.Styleable.RangeSliderControl, 0, 0);
try
{
SetRangeValues(ExtractNumericValueFromAttributes(a, Resource.Styleable.RangeSliderControl_absoluteMinValue, DefaultMinimum),
ExtractNumericValueFromAttributes(a, Resource.Styleable.RangeSliderControl_absoluteMaxValue, DefaultMaximum));
ShowTextAboveThumbs = a.GetBoolean(Resource.Styleable.RangeSliderControl_valuesAboveThumbs, true);
TextAboveThumbsColor = a.GetColor(Resource.Styleable.RangeSliderControl_textAboveThumbsColor, Color.White);
MinThumbHidden = a.GetBoolean(Resource.Styleable.RangeSliderControl_minThumbHidden, false);
MaxThumbHidden = a.GetBoolean(Resource.Styleable.RangeSliderControl_maxThumbHidden, false);
ShowLabels = a.GetBoolean(Resource.Styleable.RangeSliderControl_showRangeLabels, true);
_internalPad = a.GetDimensionPixelSize(Resource.Styleable.RangeSliderControl_internalPadding, InitialPaddingInDp);
_barHeight = a.GetDimensionPixelSize(Resource.Styleable.RangeSliderControl_barHeight, LineHeightInDp);
ActiveColor = a.GetColor(Resource.Styleable.RangeSliderControl_activeColor, DefaultActiveColor);
DefaultColor = a.GetColor(Resource.Styleable.RangeSliderControl_defaultColor, Color.Gray);
AlwaysActive = a.GetBoolean(Resource.Styleable.RangeSliderControl_alwaysActive, false);
StepValue = ExtractNumericValueFromAttributes(a,
Resource.Styleable.RangeSliderControl_stepValue, DefaultStepValue);
StepValueContinuously = a.GetBoolean(Resource.Styleable.RangeSliderControl_stepValueContinuously,
false);
var normalDrawable = a.GetDrawable(Resource.Styleable.RangeSliderControl_thumbNormal);
if (normalDrawable != null)
{
ThumbImage = BitmapUtil.DrawableToBitmap(normalDrawable);
}
var disabledDrawable = a.GetDrawable(Resource.Styleable.RangeSliderControl_thumbDisabled);
if (disabledDrawable != null)
{
ThumbDisabledImage = BitmapUtil.DrawableToBitmap(disabledDrawable);
}
var pressedDrawable = a.GetDrawable(Resource.Styleable.RangeSliderControl_thumbPressed);
if (pressedDrawable != null)
{
ThumbPressedImage = BitmapUtil.DrawableToBitmap(pressedDrawable);
}
ThumbShadow = a.GetBoolean(Resource.Styleable.RangeSliderControl_thumbShadow, false);
thumbShadowColor = a.GetColor(Resource.Styleable.RangeSliderControl_thumbShadowColor, defaultShadowColor);
ThumbShadowXOffset = a.GetDimensionPixelSize(Resource.Styleable.RangeSliderControl_thumbShadowXOffset, defaultShadowXOffset);
ThumbShadowYOffset = a.GetDimensionPixelSize(Resource.Styleable.RangeSliderControl_thumbShadowYOffset, defaultShadowYOffset);
_thumbShadowBlur = a.GetDimensionPixelSize(Resource.Styleable.RangeSliderControl_thumbShadowBlur, defaultShadowBlur);
ActivateOnDefaultValues = a.GetBoolean(Resource.Styleable.RangeSliderControl_activateOnDefaultValues, false);
TextSizeInSp = a.GetInt(Resource.Styleable.RangeSliderControl_textSize, DefaultTextSizeInSp);
}
finally
{
a.Recycle();
}
}
if (ThumbImage == null)
{
ThumbImage = BitmapFactory.DecodeResource(Resources, thumbNormal);
}
if (ThumbPressedImage == null)
{
ThumbPressedImage = BitmapFactory.DecodeResource(Resources, thumbPressed);
}
if (ThumbDisabledImage == null)
{
ThumbDisabledImage = BitmapFactory.DecodeResource(Resources, thumbDisabled);
}
_thumbHalfWidth = 0.5f * ThumbImage.Width;
_thumbHalfHeight = 0.5f * ThumbImage.Height;
SetBarHeight(_barHeight);
// make RangeSliderControl focusable. This solves focus handling issues in case EditText widgets are being used along with the RangeSliderControl within ScrollViews.
Focusable = true;
FocusableInTouchMode = true;
_scaledTouchSlop = ViewConfiguration.Get(Context).ScaledTouchSlop;
if (ThumbShadow)
{
// We need to remove hardware acceleration in order to blur the shadow
SetLayerType(LayerType.Software, null);
_shadowPaint.Color = thumbShadowColor;
_shadowPaint.SetMaskFilter(new BlurMaskFilter(_thumbShadowBlur, BlurMaskFilter.Blur.Normal));
_thumbShadowPath = new Path();
_thumbShadowPath.AddCircle(0, 0, _thumbHalfHeight, Path.Direction.Cw);
}
}
protected override bool DrawChild(Canvas canvas, 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 = ((CircleButton)Element).CircleBorderWidth;
//paint.SetStyle(Paint.Style.Stroke);
//paint.Color = ((CircleButton)Element).CircleBorderColor.ToAndroid();
//canvas.DrawPath(path, paint);
//////Properly dispose
//paint.Dispose();
//path.Dispose();
return(result);
}
catch (Exception ex)
{
//Debug.WriteLine("Unable to create circle image: " + ex);
}
return(base.DrawChild(canvas, child, drawingTime));
//try
//{
// var radius = Math.Min(Width, Height) / 2;
// var strokeWidth = ((CircleButton)Element).CircleBorderWidth;
// radius -= strokeWidth / 2;
// //Create path to clip
// var path = new Path();
// path.AddCircle(Width / 2, Height / 2, (float)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 = strokeWidth;
// //paint.SetStyle(Paint.Style.Stroke);
// //paint.Color = ((CircleButton)Element).CircleBorderColor.ToAndroid();
// //canvas.DrawPath(path, paint);
// ////Properly dispose
// //paint.Dispose();
// //path.Dispose();
// //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;
// //var button = ((CircleButton)Element);
// //Android.Graphics.Color color;
// //if (button.BackgroundColor.R == -1.0 && button.BackgroundColor.G == -1.0 && button.BackgroundColor.B == -1.0)
// // color = (Android.Graphics.Color.ParseColor("#ff2c2e2f"));
// //else
// // color = (button.BackgroundColor.ToAndroid());
// //paint.Color = color;
// ////canvas.DrawPath(path, paint);
// //canvas.DrawCircle(0, 0, radius, paint);
// ////Properly dispose
// //paint.Dispose();
// //path.Dispose();
// return result;
//}
//catch (Exception ex)
//{
// //Debug.WriteLine("Unable to create circle image: " + ex);
//}
//return base.DrawChild(canvas, child, drawingTime);
}
protected override void OnDraw(Canvas ca)
{
if (fullImage == null || shouldUpdate)
{
fullImage = Bitmap.CreateBitmap(Width, Height, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(fullImage);
String max = (int)maxY + ""; // used to display max
String min = (int)minY + ""; // used to display min
paint.Reset();
Path path = new Path();
float bottomPadding = 1, topPadding = 0;
float sidePadding = 10;
if (this.showMinAndMax)
{
sidePadding = txtPaint.MeasureText(max);
}
float usableHeight = Height - bottomPadding - topPadding;
float usableWidth = Width - sidePadding * 2;
float lineSpace = usableHeight / 10;
int lineCount = 0;
foreach (Line line in lines)
{
int count = 0;
float lastXPixels = 0, newYPixels;
float lastYPixels = 0, newXPixels;
float maxYd = getMaxY();
float minYd = getMinY();
float maxXd = getMaxX();
float minXd = getMinX();
if (lineCount == lineToFill)
{
paint.Color = Color.White;
paint.Alpha = 30;
paint.StrokeWidth = 2;
for (int i = 10; i - Width < Height; i = i + 20)
{
canvas.DrawLine(i, Height - bottomPadding, 0, Height - bottomPadding - i, paint);
}
paint.Reset();
paint.SetXfermode(new PorterDuffXfermode(Android.Graphics.PorterDuff.Mode.Clear));
foreach (LinePoint p in line.getPoints())
{
float yPercent = (p.getY() - minY) / (maxYd - minYd);
float xPercent = (p.getX() - minX) / (maxXd - minXd);
if (count == 0)
{
lastXPixels = sidePadding + (xPercent * usableWidth);
lastYPixels = Height - bottomPadding - (usableHeight * yPercent);
path.MoveTo(lastXPixels, lastYPixels);
}
else
{
newXPixels = sidePadding + (xPercent * usableWidth);
newYPixels = Height - bottomPadding - (usableHeight * yPercent);
path.LineTo(newXPixels, newYPixels);
Path pa = new Path();
pa.MoveTo(lastXPixels, lastYPixels);
pa.LineTo(newXPixels, newYPixels);
pa.LineTo(newXPixels, 0);
pa.LineTo(lastXPixels, 0);
pa.Close();
canvas.DrawPath(pa, paint);
lastXPixels = newXPixels;
lastYPixels = newYPixels;
}
count++;
}
path.Reset();
path.MoveTo(0, Height - bottomPadding);
path.LineTo(sidePadding, Height - bottomPadding);
path.LineTo(sidePadding, 0);
path.LineTo(0, 0);
path.Close();
canvas.DrawPath(path, paint);
path.Reset();
path.MoveTo(Width, Height - bottomPadding);
path.LineTo(Width - sidePadding, Height - bottomPadding);
path.LineTo(Width - sidePadding, 0);
path.LineTo(Width, 0);
path.Close();
canvas.DrawPath(path, paint);
}
lineCount++;
}
paint.Reset();
paint.Color = Color.White;
//paint.setColor(this.gridColor);
paint.Alpha = 50;
paint.AntiAlias = true;
canvas.DrawLine(sidePadding, Height - bottomPadding, Width, Height - bottomPadding, paint);
if (this.showHorizontalGrid1)
{
for (int i = 1; i <= 10; i++)
{
canvas.DrawLine(sidePadding, Height - bottomPadding - (i * lineSpace), Width, Height - bottomPadding - (i * lineSpace), paint);
}
}
paint.Alpha = 255;
foreach (Line line in lines)
{
int count = 0;
float lastXPixels = 0, newYPixels;
float lastYPixels = 0, newXPixels;
float maxYd = getMaxY();
float minYd = getMinY();
float maxXd = getMaxX();
float minXd = getMinX();
paint.Color = Color.Yellow;
//paint.setColor(line.getColor());
paint.StrokeWidth = 6;
foreach (LinePoint p in line.getPoints())
{
float yPercent = (p.getY() - minY) / (maxYd - minYd);
float xPercent = (p.getX() - minX) / (maxXd - minXd);
if (count == 0)
{
lastXPixels = sidePadding + (xPercent * usableWidth);
lastYPixels = Height - bottomPadding - (usableHeight * yPercent);
}
else
{
newXPixels = sidePadding + (xPercent * usableWidth);
newYPixels = Height - bottomPadding - (usableHeight * yPercent);
canvas.DrawLine(lastXPixels, lastYPixels, newXPixels, newYPixels, paint);
lastXPixels = newXPixels;
lastYPixels = newYPixels;
}
count++;
}
}
int pointCount = 0;
foreach (Line line in lines)
{
float maxYd = getMaxY();
float minYd = getMinY();
float maxXd = getMaxX();
float minXd = getMinX();
paint.Color = Color.Yellow;
//paint.setColor(line.getColor());
paint.StrokeWidth = 6;
paint.StrokeCap = Paint.Cap.Round;
if (line.isShowingPoints())
{
foreach (LinePoint p in line.getPoints())
{
float yPercent = (p.getY() - minYd) / (maxYd - minYd);
float xPercent = (p.getX() - minXd) / (maxXd - minXd);
float xPixels = sidePadding + (xPercent * usableWidth);
float yPixels = Height - bottomPadding - (usableHeight * yPercent);
paint.Color = Color.Gray;
canvas.DrawCircle(xPixels, yPixels, 10, paint);
paint.Color = Color.White;
canvas.DrawCircle(xPixels, yPixels, 5, paint);
Path path2 = new Path();
path2.AddCircle(xPixels, yPixels, 30, Android.Graphics.Path.Direction.Cw);
p.setPath(path2);
p.setRegion(new Region((int)(xPixels - 30), (int)(yPixels - 30), (int)(xPixels + 30), (int)(yPixels + 30)));
if (indexSelected == pointCount && listener != null)
{
paint.Color = Color.ParseColor("#33B5E5");
paint.Alpha = 100;
canvas.DrawPath(p.getPath(), paint);
paint.Alpha = 255;
}
pointCount++;
}
}
}
shouldUpdate = false;
if (this.showMinAndMax)
{
ca.DrawText(max, 0, txtPaint.TextSize, txtPaint);
ca.DrawText(min, 0, this.Height, txtPaint);
}
}
ca.DrawBitmap(fullImage, 0, 0, null);
}
protected override bool DrawChild(Canvas canvas, Android.Views.View child, long drawingTime)
{
SetColorTint();
var isCircle = ((BMImage)Element).IsCircle;
var borderSize = ((BMImage)Element).BorderSize;
var borderColor = ((BMImage)Element).BorderColor.ToAndroid();
try
{
var strokeWidth = 0f;
if (borderSize > 0)
{
var logicalDensity = Android.App.Application.Context.Resources.DisplayMetrics.Density;
strokeWidth = (float)Math.Ceiling(borderSize * logicalDensity + .5f);
}
var radius = 0f;
var path = new Path();
var result = true;
if (isCircle)
{
radius = Math.Min(Width, Height) / 2f;
radius -= strokeWidth / 2f;
path.AddCircle(Width / 2.0f, Height / 2.0f, radius, Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
result = base.DrawChild(canvas, child, drawingTime);
path.Dispose();
canvas.Restore();
path = new Path();
path.AddCircle(Width / 2f, Height / 2f, radius, Path.Direction.Ccw);
}
else
{
result = base.DrawChild(canvas, child, drawingTime);
path = new Path();
path.AddRect(0f, 0f, Width, Height, Path.Direction.Ccw);
}
if (strokeWidth > 0.0f)
{
var paint = new Paint
{
AntiAlias = true,
StrokeWidth = strokeWidth
};
paint.SetStyle(Paint.Style.Stroke);
paint.Color = borderColor;
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);
// set canvas background color
canvas.DrawColor(bgColor);
count = count + 0.5;
paintCloud.StrokeWidth = ((float)(0.02083 * screenW));
paintSnow.StrokeWidth = ((float)(0.01 * screenW));
int retval = Double.Compare(count, 360.00);
if (retval == 0)
{
if (!isAnimated)
{
// mark completion of animation
isAnimated = true;
//resetting counter on completion of a rotation
count = 0;
}
else
{
//resetting counter on completion of a rotation
count = 0;
}
}
PointF P1c1 = cloud.getP1c1(X, Y, screenW, count);
PointF P1c2 = cloud.getP1c2(X, Y, screenW, count);
PointF P2c1 = cloud.getP2c1(X, Y, screenW, count);
PointF P2c2 = cloud.getP2c2(X, Y, screenW, count);
float P1Y = ((float)((int)(0.1041667 * screenW) * Math.Sin(Math.ToRadians(80 + (0.111 * count))) + Y));
float P2Y = ((float)(((int)(0.1041667 * screenW) + ((0.00023125 * screenW) * count))
* Math.Sin(Math.ToRadians(120 + (0.222 * count))) + Y));
if (x1 == 0)
{
x1 = (int)P1c2.X + 10;
}
if (y1 == 0)
{
float value = (int)P1c2.Y - ((P1c1.Y + P1Y) / 2);
y1 = (int)(P1c2.Y - value / 2);
}
if (x2 == 0)
{
x2 = (int)P2c2.X + 10;
}
if (y2 == 0)
{
float value = (int)P2c2.Y - ((P2c1.Y + P2Y) / 2);
y2 = (int)(P2c2.Y - value / 2);
}
if (!pointsStored)
{
// Store path coordinates for snow fall 1
cubicPath11 = new Path();
int height = screenH - y1;
cubicPath11.MoveTo(x1, y1);
cubicPath11.CubicTo(x1 - screenW * 0.06f, y1 + height * 0.3f, x1 - screenW * 0.12f,
y1 + height * 0.7f, x1 - screenW * 0.18f, y1 + height * 1.1f);
pathPoints11 = getPoints(cubicPath11);
// Store path coordinates for snow fall 2
cubicPath12 = new Path();
int x = x1 - 5;
cubicPath12.MoveTo(x, y1);
cubicPath12.CubicTo(x + screenW * 0.06f, y1 + height * 0.3f, x + screenW * 0.1f,
y1 + height * 0.7f, x - screenW * 0.03f, y1 + height * 1.1f);
pathPoints12 = getPoints(cubicPath12);
// Store path coordinates for snow fall 3
cubicPath21 = new Path();
cubicPath21.MoveTo(x2, y2);
cubicPath21.CubicTo(x2 + screenW * 0.06f, y2 + height * 0.3f, x2 + screenW * 0.12f,
y2 + height * 0.7f, x2 + screenW * 0.18f, y2 + height * 1.1f);
pathPoints21 = getPoints(cubicPath21);
// Store path coordinates for snow fall 4
cubicPath22 = new Path();
int xx = x2 + 5;
cubicPath22.MoveTo(xx, y2);
cubicPath22.CubicTo(xx - screenW * 0.06f, y2 + height * 0.3f, xx - screenW * 0.1f,
y2 + height * 0.6f, xx + screenW * 0.03f, y2 + height * 1.1f);
pathPoints22 = getPoints(cubicPath22);
pointsStored = true;
}
if (isAnimated && isStatic)
{ //Initial static view
int x = 55;
pathCircle2 = new Path();
pathCircle2.AddCircle(pathPoints12[x].getX(), pathPoints12[x].getY(),
screenW * 0.03f, Path.Direction.Cw);
pointsCircle12 = getPoints(pathCircle2);
//2nd drop
path21 = new Path();
path22 = new Path();
path23 = new Path();
int a = (25 + x / 5) >= 100 ? 25 + x / 5 - 100 : 25 + x / 5;
int b = (8 + x / 5) >= 100 ? 8 + x / 5 - 100 : 8 + x / 5;
int c = (40 + x / 5) >= 100 ? 40 + x / 5 - 100 : 40 + x / 5;
path21.MoveTo(pointsCircle12[a].getX(), pointsCircle12[a].getY());
path22.MoveTo(pointsCircle12[b].getX(), pointsCircle12[b].getY());
path23.MoveTo(pointsCircle12[c].getX(), pointsCircle12[c].getY());
a = (75 + x / 5) >= 100 ? 75 + x / 5 - 100 : 75 + x / 5;
b = (59 + x / 5) >= 100 ? 59 + x / 5 - 100 : 59 + x / 5;
c = (90 + x / 5) >= 100 ? 90 + x / 5 - 100 : 90 + x / 5;
path21.LineTo(pointsCircle12[a].getX(), (pointsCircle12[a].getY()));
path22.LineTo(pointsCircle12[b].getX(), (pointsCircle12[b].getY()));
path23.LineTo(pointsCircle12[c].getX(), (pointsCircle12[c].getY()));
canvas.DrawPath(path21, paintSnow);
canvas.DrawPath(path22, paintSnow);
canvas.DrawPath(path23, paintSnow);
// drawing cloud with fill
paintCloud.Color = (bgColor);
paintCloud.SetStyle(Paint.Style.Fill);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
// drawing cloud with stroke
paintCloud.Color = (strokeColor);
paintCloud.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
int y = 35;
pathCircle2 = new Path();
pathCircle2.AddCircle(pathPoints22[y].getX(), pathPoints22[y].getY(),
screenW * 0.03f, Path.Direction.Cw);
pointsCircle22 = getPoints(pathCircle2);
//2nd drop
path21 = new Path();
path22 = new Path();
path23 = new Path();
a = (25 + y / 5) >= 100 ? 25 + y / 5 - 100 : 25 + y / 5;
b = (8 + y / 5) >= 100 ? 8 + y / 5 - 100 : 8 + y / 5;
c = (40 + y / 5) >= 100 ? 40 + y / 5 - 100 : 40 + y / 5;
path21.MoveTo(pointsCircle22[a].getX(), pointsCircle22[a].getY());
path22.MoveTo(pointsCircle22[b].getX(), pointsCircle22[b].getY());
path23.MoveTo(pointsCircle22[c].getX(), pointsCircle22[c].getY());
a = (75 + y / 5) >= 100 ? 75 + y / 5 - 100 : 75 + y / 5;
b = (59 + y / 5) >= 100 ? 59 + y / 5 - 100 : 59 + y / 5;
c = (90 + y / 5) >= 100 ? 90 + y / 5 - 100 : 90 + y / 5;
path21.LineTo(pointsCircle22[a].getX(), (pointsCircle22[a].getY()));
path22.LineTo(pointsCircle22[b].getX(), (pointsCircle22[b].getY()));
path23.LineTo(pointsCircle22[c].getX(), (pointsCircle22[c].getY()));
canvas.DrawPath(path21, paintSnow);
canvas.DrawPath(path22, paintSnow);
canvas.DrawPath(path23, paintSnow);
// drawing cloud with fill
paintCloud.Color = (bgColor);
paintCloud.SetStyle(Paint.Style.Fill);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
// drawing cloud with stroke
paintCloud.Color = (strokeColor);
paintCloud.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
}
else // Animating view
{
if (drop11)
{
pathCircle1 = new Path();
pathCircle1.AddCircle(pathPoints11[m].getX(), pathPoints11[m].getY(),
screenW * 0.03f, Path.Direction.Cw);
pointsCircle11 = getPoints(pathCircle1);
//1st drop
path11 = new Path();
path12 = new Path();
path13 = new Path();
int a = (25 + m / 5) >= 100 ? 25 + m / 5 - 100 : 25 + m / 5;
int b = (8 + m / 5) >= 100 ? 8 + m / 5 - 100 : 8 + m / 5;
int c = (40 + m / 5) >= 100 ? 40 + m / 5 - 100 : 40 + m / 5;
path11.MoveTo(pointsCircle11[a].getX(), pointsCircle11[a].getY());
path12.MoveTo(pointsCircle11[b].getX(), pointsCircle11[b].getY());
path13.MoveTo(pointsCircle11[c].getX(), pointsCircle11[c].getY());
a = (75 + m / 5) >= 100 ? 75 + m / 5 - 100 : 75 + m / 5;
b = (59 + m / 5) >= 100 ? 59 + m / 5 - 100 : 59 + m / 5;
c = (90 + m / 5) >= 100 ? 90 + m / 5 - 100 : 90 + m / 5;
path11.LineTo(pointsCircle11[a].getX(), (pointsCircle11[a].getY()));
path12.LineTo(pointsCircle11[b].getX(), (pointsCircle11[b].getY()));
path13.LineTo(pointsCircle11[c].getX(), (pointsCircle11[c].getY()));
canvas.DrawPath(path11, paintSnow);
canvas.DrawPath(path12, paintSnow);
canvas.DrawPath(path13, paintSnow);
// drawing cloud with fill
paintCloud.Color = (bgColor);
paintCloud.SetStyle(Paint.Style.Fill);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
// drawing cloud with stroke
paintCloud.Color = (strokeColor);
paintCloud.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
m = m + 1;
if (m > 75)
{
pathCircle2 = new Path();
pathCircle2.AddCircle(pathPoints12[n].getX(), pathPoints12[n].getY(),
screenW * 0.03f, Path.Direction.Cw);
pointsCircle12 = getPoints(pathCircle2);
//2nd drop
path21 = new Path();
path22 = new Path();
path23 = new Path();
a = (25 + n / 5) >= 100 ? 25 + n / 5 - 100 : 25 + n / 5;
b = (8 + n / 5) >= 100 ? 8 + n / 5 - 100 : 8 + n / 5;
c = (40 + n / 5) >= 100 ? 40 + n / 5 - 100 : 40 + n / 5;
path21.MoveTo(pointsCircle12[a].getX(), pointsCircle12[a].getY());
path22.MoveTo(pointsCircle12[b].getX(), pointsCircle12[b].getY());
path23.MoveTo(pointsCircle12[c].getX(), pointsCircle12[c].getY());
a = (75 + n / 5) >= 100 ? 75 + n / 5 - 100 : 75 + n / 5;
b = (59 + n / 5) >= 100 ? 59 + n / 5 - 100 : 59 + n / 5;
c = (90 + n / 5) >= 100 ? 90 + n / 5 - 100 : 90 + n / 5;
path21.LineTo(pointsCircle12[a].getX(), (pointsCircle12[a].getY()));
path22.LineTo(pointsCircle12[b].getX(), (pointsCircle12[b].getY()));
path23.LineTo(pointsCircle12[c].getX(), (pointsCircle12[c].getY()));
canvas.DrawPath(path21, paintSnow);
canvas.DrawPath(path22, paintSnow);
canvas.DrawPath(path23, paintSnow);
// drawing cloud with fill
paintCloud.Color = (bgColor);
paintCloud.SetStyle(Paint.Style.Fill);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
// drawing cloud with stroke
paintCloud.Color = (strokeColor);
paintCloud.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
n = n + 1;
}
if (m == 100)
{
m = 0;
path11.Reset();
path11.MoveTo(0, 0);
path12.Reset();
path12.MoveTo(0, 0);
path13.Reset();
path13.MoveTo(0, 0);
x1 = 0;
y1 = 0;
x2 = 0;
y2 = 0;
drop12 = true;
drop11 = false;
}
}
if (drop12)
{
pathCircle2 = new Path();
pathCircle2.AddCircle(pathPoints12[n].getX(), pathPoints12[n].getY(),
screenW * 0.03f, Path.Direction.Cw);
pointsCircle12 = getPoints(pathCircle2);
//2nd drop
path21 = new Path();
path22 = new Path();
path23 = new Path();
int a = (25 + n / 5) >= 100 ? 25 + n / 5 - 100 : 25 + n / 5;
int b = (8 + n / 5) >= 100 ? 8 + n / 5 - 100 : 8 + n / 5;
int c = (40 + n / 5) >= 100 ? 40 + n / 5 - 100 : 40 + n / 5;
path21.MoveTo(pointsCircle12[a].getX(), pointsCircle12[a].getY());
path22.MoveTo(pointsCircle12[b].getX(), pointsCircle12[b].getY());
path23.MoveTo(pointsCircle12[c].getX(), pointsCircle12[c].getY());
a = (75 + n / 5) >= 100 ? 75 + n / 5 - 100 : 75 + n / 5;
b = (59 + n / 5) >= 100 ? 59 + n / 5 - 100 : 59 + n / 5;
c = (90 + n / 5) >= 100 ? 90 + n / 5 - 100 : 90 + n / 5;
path21.LineTo(pointsCircle12[a].getX(), (pointsCircle12[a].getY()));
path22.LineTo(pointsCircle12[b].getX(), (pointsCircle12[b].getY()));
path23.LineTo(pointsCircle12[c].getX(), (pointsCircle12[c].getY()));
canvas.DrawPath(path21, paintSnow);
canvas.DrawPath(path22, paintSnow);
canvas.DrawPath(path23, paintSnow);
// drawing cloud with fill
paintCloud.Color = (bgColor);
paintCloud.SetStyle(Paint.Style.Fill);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
// drawing cloud with stroke
paintCloud.Color = (strokeColor);
paintCloud.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
n = n + 1;
if (n == 100)
{
m = 0;
n = 0;
path21.Reset();
path21.MoveTo(0, 0);
path22.Reset();
path22.MoveTo(0, 0);
path23.Reset();
path23.MoveTo(0, 0);
x1 = 0;
y1 = 0;
drop21 = true;
drop11 = false;
drop12 = false;
}
}
if (drop21)
{
pathCircle1 = new Path();
pathCircle1.AddCircle(pathPoints21[m].getX(), pathPoints21[m].getY(),
screenW * 0.03f, Path.Direction.Cw);
pointsCircle21 = getPoints(pathCircle1);
//1st drop
path11 = new Path();
path12 = new Path();
path13 = new Path();
int a = (25 + m / 5) >= 100 ? 25 + m / 5 - 100 : 25 + m / 5;
int b = (8 + m / 5) >= 100 ? 8 + m / 5 - 100 : 8 + m / 5;
int c = (40 + m / 5) >= 100 ? 40 + m / 5 - 100 : 40 + m / 5;
path11.MoveTo(pointsCircle21[a].getX(), pointsCircle21[a].getY());
path12.MoveTo(pointsCircle21[b].getX(), pointsCircle21[b].getY());
path13.MoveTo(pointsCircle21[c].getX(), pointsCircle21[c].getY());
a = (75 + m / 5) >= 100 ? 75 + m / 5 - 100 : 75 + m / 5;
b = (59 + m / 5) >= 100 ? 59 + m / 5 - 100 : 59 + m / 5;
c = (90 + m / 5) >= 100 ? 90 + m / 5 - 100 : 90 + m / 5;
path11.LineTo(pointsCircle21[a].getX(), (pointsCircle21[a].getY()));
path12.LineTo(pointsCircle21[b].getX(), (pointsCircle21[b].getY()));
path13.LineTo(pointsCircle21[c].getX(), (pointsCircle21[c].getY()));
canvas.DrawPath(path11, paintSnow);
canvas.DrawPath(path12, paintSnow);
canvas.DrawPath(path13, paintSnow);
// drawing cloud with fill
paintCloud.Color = (bgColor);
paintCloud.SetStyle(Paint.Style.Fill);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
// drawing cloud with stroke
paintCloud.Color = (strokeColor);
paintCloud.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
m = m + 1;
if (m > 75)
{
pathCircle2 = new Path();
pathCircle2.AddCircle(pathPoints22[n].getX(), pathPoints22[n].getY(),
screenW * 0.03f, Path.Direction.Cw);
pointsCircle22 = getPoints(pathCircle2);
//2nd drop
path21 = new Path();
path22 = new Path();
path23 = new Path();
a = (25 + n / 5) >= 100 ? 25 + n / 5 - 100 : 25 + n / 5;
b = (8 + n / 5) >= 100 ? 8 + n / 5 - 100 : 8 + n / 5;
c = (40 + n / 5) >= 100 ? 40 + n / 5 - 100 : 40 + n / 5;
path21.MoveTo(pointsCircle22[a].getX(), pointsCircle22[a].getY());
path22.MoveTo(pointsCircle22[b].getX(), pointsCircle22[b].getY());
path23.MoveTo(pointsCircle22[c].getX(), pointsCircle22[c].getY());
a = (75 + n / 5) >= 100 ? 75 + n / 5 - 100 : 75 + n / 5;
b = (59 + n / 5) >= 100 ? 59 + n / 5 - 100 : 59 + n / 5;
c = (90 + n / 5) >= 100 ? 90 + n / 5 - 100 : 90 + n / 5;
path21.LineTo(pointsCircle22[a].getX(), (pointsCircle22[a].getY()));
path22.LineTo(pointsCircle22[b].getX(), (pointsCircle22[b].getY()));
path23.LineTo(pointsCircle22[c].getX(), (pointsCircle22[c].getY()));
canvas.DrawPath(path21, paintSnow);
canvas.DrawPath(path22, paintSnow);
canvas.DrawPath(path23, paintSnow);
// drawing cloud with fill
paintCloud.Color = (bgColor);
paintCloud.SetStyle(Paint.Style.Fill);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
// drawing cloud with stroke
paintCloud.Color = (strokeColor);
paintCloud.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
n = n + 1;
}
if (m == 100)
{
m = 0;
path11.Reset();
path11.MoveTo(0, 0);
path12.Reset();
path12.MoveTo(0, 0);
path13.Reset();
path13.MoveTo(0, 0);
x1 = 0;
y1 = 0;
drop22 = true;
drop21 = false;
}
}
if (drop22)
{
pathCircle2 = new Path();
pathCircle2.AddCircle(pathPoints22[n].getX(), pathPoints22[n].getY(),
screenW * 0.03f, Path.Direction.Cw);
pointsCircle22 = getPoints(pathCircle2);
//2nd drop
path21 = new Path();
path22 = new Path();
path23 = new Path();
int a = (25 + n / 5) >= 100 ? 25 + n / 5 - 100 : 25 + n / 5;
int b = (8 + n / 5) >= 100 ? 8 + n / 5 - 100 : 8 + n / 5;
int c = (40 + n / 5) >= 100 ? 40 + n / 5 - 100 : 40 + n / 5;
path21.MoveTo(pointsCircle22[a].getX(), pointsCircle22[a].getY());
path22.MoveTo(pointsCircle22[b].getX(), pointsCircle22[b].getY());
path23.MoveTo(pointsCircle22[c].getX(), pointsCircle22[c].getY());
a = (75 + n / 5) >= 100 ? 75 + n / 5 - 100 : 75 + n / 5;
b = (59 + n / 5) >= 100 ? 59 + n / 5 - 100 : 59 + n / 5;
c = (90 + n / 5) >= 100 ? 90 + n / 5 - 100 : 90 + n / 5;
path21.LineTo(pointsCircle22[a].getX(), (pointsCircle22[a].getY()));
path22.LineTo(pointsCircle22[b].getX(), (pointsCircle22[b].getY()));
path23.LineTo(pointsCircle22[c].getX(), (pointsCircle22[c].getY()));
canvas.DrawPath(path21, paintSnow);
canvas.DrawPath(path22, paintSnow);
canvas.DrawPath(path23, paintSnow);
// drawing cloud with fill
paintCloud.Color = (bgColor);
paintCloud.SetStyle(Paint.Style.Fill);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
// drawing cloud with stroke
paintCloud.Color = (strokeColor);
paintCloud.SetStyle(Paint.Style.Stroke);
canvas.DrawPath(cloud.getCloud(X, Y, screenW, count), paintCloud);
n = n + 1;
if (n == 100)
{
m = 0;
n = 0;
path21.Reset();
path21.MoveTo(0, 0);
path22.Reset();
path22.MoveTo(0, 0);
path23.Reset();
path23.MoveTo(0, 0);
x1 = 0;
y1 = 0;
drop11 = true;
drop12 = false;
drop21 = false;
drop22 = false;
}
}
}
if (!isStatic || !isAnimated)
{
Invalidate();
}
}
public void Draw(Canvas canvas)
{
if (this.Hidden)
{
return;
}
canvas.Save();
Path path = new Path();
if (!this.Focused)
{
this.OutlinePaint.Color = this.OutlineColor;
canvas.DrawRect(this.MDrawRect, this.OutlinePaint);
}
else
{
Rect viewDrawingRect = new Rect();
mContext.GetDrawingRect(viewDrawingRect);
if (this.Circling)
{
float width = this.MDrawRect.Width();
float height = this.MDrawRect.Height();
path.AddCircle(this.MDrawRect.Left + (width / 2),
this.MDrawRect.Top + (height / 2),
width / 2,
Path.Direction.Cw);
this.OutlinePaint.Color = this.OutlineColor;
}
else
{
path.AddRect(new RectF(this.MDrawRect), Path.Direction.Cw);
this.OutlinePaint.Color = this.OutlineColor;
}
canvas.ClipPath(path, Region.Op.Difference);
canvas.DrawRect(viewDrawingRect,
this.Focused ? this.FocusPaint : this.NoFocusPaint);
canvas.Restore();
canvas.DrawPath(path, this.OutlinePaint);
if (this.MMode == ModifyMode.Grow)
{
if (this.Circling)
{
int width = this.ResizeDrawableDiagonal.IntrinsicWidth;
int height = this.ResizeDrawableDiagonal.IntrinsicHeight;
int d = (int)Math.Round(Math.Cos(/*45deg*/ Math.PI / 4D)
* (this.MDrawRect.Width() / 2D));
int x = this.MDrawRect.Left
+ (this.MDrawRect.Width() / 2) + d - width / 2;
int y = this.MDrawRect.Top
+ (this.MDrawRect.Height() / 2) - d - height / 2;
this.ResizeDrawableDiagonal.SetBounds(x, y,
x + this.ResizeDrawableDiagonal.IntrinsicWidth,
y + this.ResizeDrawableDiagonal.IntrinsicHeight);
this.ResizeDrawableDiagonal.Draw(canvas);
}
else
{
int left = this.MDrawRect.Left + 1;
int right = this.MDrawRect.Right + 1;
int top = this.MDrawRect.Top + 4;
int bottom = this.MDrawRect.Bottom + 3;
int widthWidth = this.ResizeDrawableWidth.IntrinsicWidth / 2;
int widthHeight = this.ResizeDrawableWidth.IntrinsicHeight / 2;
int heightHeight = this.ResizeDrawableHeight.IntrinsicHeight / 2;
int heightWidth = this.ResizeDrawableHeight.IntrinsicWidth / 2;
int xMiddle = this.MDrawRect.Left
+ ((this.MDrawRect.Right - this.MDrawRect.Left) / 2);
int yMiddle = this.MDrawRect.Top
+ ((this.MDrawRect.Bottom - this.MDrawRect.Top) / 2);
this.ResizeDrawableWidth.SetBounds(left - widthWidth,
yMiddle - widthHeight,
left + widthWidth,
yMiddle + widthHeight);
this.ResizeDrawableWidth.Draw(canvas);
this.ResizeDrawableWidth.SetBounds(right - widthWidth,
yMiddle - widthHeight,
right + widthWidth,
yMiddle + widthHeight);
this.ResizeDrawableWidth.Draw(canvas);
this.ResizeDrawableHeight.SetBounds(xMiddle - heightWidth,
top - heightHeight,
xMiddle + heightWidth,
top + heightHeight);
this.ResizeDrawableHeight.Draw(canvas);
this.ResizeDrawableHeight.SetBounds(xMiddle - heightWidth,
bottom - heightHeight,
xMiddle + heightWidth,
bottom + heightHeight);
this.ResizeDrawableHeight.Draw(canvas);
}
}
}
}
private void DrawLetters(Canvas canvas)
{
Paint letterPaint = new Paint();
letterPaint.StrokeWidth = 1;
letterPaint.SetStyle(Paint.Style.Stroke);
int rectWidth = (int)(mViewInfo.Width / 11.0);
int rectHeight = (int)(mViewInfo.Height / 11.0);
letterPaint.TextSize = Math.Min(rectHeight, 80);
for (int i = 0; i < 11; i++)
{
for (int j = 0; j < 11; j++)
{
letterPaint.SetStyle(Paint.Style.Stroke);
//canvas.DrawRect(new Android.Graphics.Rect(i * rectWidth, j * rectHeight, (i + 1) * rectWidth, (j + 1) * rectHeight), paint);
KeyValuePair <int, int> index = new KeyValuePair <int, int>(i, j);
if (sSignatureLocations.ContainsKey(index))
{
Signature sig = sSignatureLocations[index];
char chr = Arrangement.Layout[sig].Character;
char chrToMeasure = chr == ' ' ? 'X' : chr;
int x = i * rectWidth;
int y = j * rectHeight;
Android.Graphics.Rect rect = new Android.Graphics.Rect(x, y, x + rectWidth, y + rectHeight);
// The actual character is used for horizontal positioning
Android.Graphics.Rect characterBounds = new Android.Graphics.Rect();
letterPaint.GetTextBounds(chrToMeasure.ToString(), 0, 1, characterBounds);
// A standard character is used for vertical positioning so all the characters line up
Android.Graphics.Rect xBounds = new Android.Graphics.Rect();
letterPaint.GetTextBounds("X", 0, 1, xBounds);
// Center the character in the rectangle
int textLeft = rect.Left + (int)((rect.Width() - characterBounds.Width()) / 2.0);
int textBottom = rect.Bottom - (int)((rect.Height() - xBounds.Width()) / 2.0);
// Lift the bottom up away from the border if we're on the bottom row
//int textBottom = rect.Bottom - (j == 10 ? 10 : 0);
TinyTypeLib.Rect boundsInLocation = new TinyTypeLib.Rect(rect.Left, textBottom - xBounds.Height(), rect.Right, textBottom);
if (sig == mViewInfo.CurrentSignature)
{
// Don't draw within the MiddleSquare
canvas.ClipRect(new Android.Graphics.Rect(mViewInfo.Left, mViewInfo.Top, mViewInfo.Right, mViewInfo.Bottom));
Path cp = new Path();
cp.AddCircle(mViewInfo.MiddleSquare.Center.X, mViewInfo.MiddleSquare.Center.Y, mViewInfo.MiddleSquare.Width / 2f, Path.Direction.Cw);
canvas.ClipPath(cp, Region.Op.Difference);
//canvas.ClipRect(Converter.TinyTypeRectToAndroidRect(mViewInfo.MiddleSquare), Region.Op.Difference);
int gradientSize = 20;
Paint linePaint = new Paint();
// Draw a line to the circle we're about to draw
Line lineToLetter = new Line(mViewInfo.MiddleSquare.Center, boundsInLocation.Center);
Line perpendicular = lineToLetter.GetPerpendicular(gradientSize);
Color color = GetPositionColor((Position)mViewInfo.CurrentSignature.StartHeading.Quadrant);
Color transparent = AndroidUtil.GetTransparentColor(color);
linePaint.SetShader(new LinearGradient(perpendicular.Start.X, perpendicular.Start.Y, perpendicular.End.X, perpendicular.End.Y, color, transparent, Shader.TileMode.Mirror));
linePaint.SetStyle(Paint.Style.Stroke);
linePaint.StrokeWidth = gradientSize * 2;
linePaint.StrokeCap = Paint.Cap.Round;
canvas.DrawLine(lineToLetter.Start.X, lineToLetter.Start.Y, lineToLetter.End.X, lineToLetter.End.Y, linePaint);
}
else
{
//letterPaint.Color = new Color(255, 0, 255);
}
if (chr != char.MinValue)
{
// Fill a circle in the background of the circle
Paint letterBackgroundPaint = new Paint();
Color letterBackgroundColor = GetPositionColor((Position)sig.StartQuadrant);
Color letterBackgroundTransparent = AndroidUtil.GetTransparentColor(letterBackgroundColor);
float radius = Math.Max(boundsInLocation.Width, boundsInLocation.Height) / 2f;
letterBackgroundPaint.SetShader(new RadialGradient(boundsInLocation.Center.X, boundsInLocation.Center.Y, radius, letterBackgroundColor, letterBackgroundTransparent, Shader.TileMode.Mirror));
letterBackgroundPaint.SetStyle(Paint.Style.FillAndStroke);
canvas.DrawCircle(boundsInLocation.Center.X, boundsInLocation.Center.Y, (float)(Math.Max(boundsInLocation.Width, boundsInLocation.Height) / 2.0), letterBackgroundPaint);
letterPaint.SetStyle(Paint.Style.FillAndStroke);
canvas.DrawText(chr.ToString(), textLeft, textBottom, letterPaint);
}
}
}
}
letterPaint.SetStyle(Paint.Style.FillAndStroke);
letterPaint.Color = GetPositionColor(Position.Middle);
letterPaint.TextSize = mViewInfo.MiddleSquare.Height * 0.75f;
Drawing.ClearClip(canvas, mViewInfo);
// Draw the selected character in the middle of the square
if (mViewInfo.CurrentSignature.Gesture == Signature.Gestures.Normal)
{
char chr = Arrangement.Layout[mViewInfo.CurrentSignature].Character;
// Center the character in the rectangle
Android.Graphics.Rect bounds = new Android.Graphics.Rect();
letterPaint.GetTextBounds(chr.ToString(), 0, 1, bounds);
int textLeft = mViewInfo.MiddleSquare.Left + (int)((mViewInfo.MiddleSquare.Width - bounds.Width()) / 2.0);
int textBottom = mViewInfo.MiddleSquare.Bottom - (int)((mViewInfo.MiddleSquare.Height - bounds.Height()) / 2.0);
canvas.DrawText(chr.ToString(), textLeft, textBottom, letterPaint);
}
/*
* // Draw the previous character above the center square
* if (mPreviousCharacter != char.MinValue)
* {
* TinyTypeLib.Rect rect = mViewInfo.MiddleSquare.Offset(0, -mViewInfo.MiddleSquare.Height);
*
* //paint.SetStyle(Paint.Style.Stroke);
* //canvas.DrawRect(Converter.TinyTypeRectToAndroidRect(rect), paint);
* //paint.SetStyle(Paint.Style.FillAndStroke);
*
* // Center the character in the rectangle
* Android.Graphics.Rect bounds = new Android.Graphics.Rect();
* letterPaint.GetTextBounds(mPreviousCharacter.ToString(), 0, 1, bounds);
*
* int textLeft = rect.Left + (int)((rect.Width - bounds.Width()) / 2.0);
* int textBottom = rect.Bottom - (int)((rect.Height - bounds.Height()) / 2.0);
*
* canvas.DrawText(mPreviousCharacter.ToString(), textLeft, textBottom, letterPaint);
* }*/
}
public override void CreatePath(Path path, Circle shape, int width, int height)
{
var radius = Math.Min(width, height) / 2f;
path.AddCircle(width / 2f, height / 2f, radius, Path.Direction.Ccw);
}
/// <summary>
///
/// </summary>
/// <param name="canvas"></param>
/// <param name="child"></param>
/// <param name="drawingTime"></param>
/// <returns></returns>
protected override bool DrawChild(Canvas canvas, Android.Views.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(Width / 2, Height / 2, radius, Path.Direction.Ccw);
if (strokeWidth > 0.0f)
{
paint = new Paint();
paint.AntiAlias = true;
paint.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));
}
protected override bool DrawChild(Canvas canvas, global::Android.Views.View child, long drawingTime)
{
try
{
var cornerRadius = ((CircleImage)Element).BorderRadius;
var radius = Math.Min(Width, Height) / 2;
var strokeWidth = 10;
radius -= strokeWidth / 2;
//Create path to clip
var path = new Path();
var rect = new RectF(0, 0, Width, Height);
float rx = Forms.Context.ToPixels(cornerRadius);
float ry = Forms.Context.ToPixels(cornerRadius);
if (cornerRadius == 0)
{
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
}
else
{
path.AddRoundRect(rect, rx, ry, 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();
if (cornerRadius == 0)
{
path.AddCircle(Width / 2, Height / 2, radius, Path.Direction.Ccw);
}
else
{
path.AddRoundRect(rect, rx, ry, Path.Direction.Cw);
}
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)
{
System.Diagnostics.Debug.WriteLine("Unable to create circle image: " + ex);
}
return(base.DrawChild(canvas, child, drawingTime));
}
