/// <Docs>The Canvas to which the View is rendered.</Docs>
/// <summary>
/// Draw the specified canvas.
/// </summary>
/// <param name="canvas">Canvas.</param>
public override void Draw (Canvas canvas)
{
try
{
var element = Element as RoundCornerView;
var cornerRadius = (float)element.CornerRadius*Resources.DisplayMetrics.Density;
// Paint rounded rect itself
canvas.Save();
var paint = new Paint();
paint.AntiAlias = true;
var strokeWidth = (((float)element.BorderWidth)*Resources.DisplayMetrics.Density);
paint.StrokeWidth = strokeWidth;
if(element.BackgroundColor != Xamarin.Forms.Color.Transparent)
{
paint.SetStyle(Paint.Style.Fill);
paint.Color = element.BackgroundColor.ToAndroid();
canvas.DrawRoundRect(new RectF(0, 0, Width, Height), cornerRadius, cornerRadius, paint);
}
if(element.BorderColor != Xamarin.Forms.Color.Transparent)
{
paint.SetStyle(Paint.Style.Stroke);
paint.Color = element.BorderColor.ToAndroid();
canvas.DrawRoundRect(new RectF(0, 0, Width, Height), cornerRadius, cornerRadius, paint);
}
//Properly dispose
paint.Dispose();
canvas.Restore();
// Create clip path
var path = new Path();
path.AddRoundRect(new RectF(0.0f + (strokeWidth/2), 0.0f + (strokeWidth/2),
Width - (strokeWidth/2), Height - (strokeWidth/2)), cornerRadius, cornerRadius, Path.Direction.Cw);
canvas.Save();
canvas.ClipPath(path);
// Do base drawing
for(var i=0; i<ChildCount; i++)
GetChildAt(i).Draw(canvas);
canvas.Restore();
path.Dispose();
}
catch (Exception)
{
}
}
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 override void OnDraw(Canvas canvas) {
base.OnDraw (canvas);
if (mBlurredView != null) {
if (prepare()) {
// If the background of the blurred view is a color drawable, we use it to clear
// the blurring canvas, which ensures that edges of the child views are blurred
// as well; otherwise we clear the blurring canvas with a transparent color.
if (mBlurredView.Background != null && mBlurredView.Background is ColorDrawable){
mBitmapToBlur.EraseColor(((ColorDrawable) mBlurredView.Background).Color);
}else {
mBitmapToBlur.EraseColor(Color.Transparent);
}
mBlurredView.Draw(mBlurringCanvas);
blur();
canvas.Save();
canvas.Translate(mBlurredView.GetX() - GetX(), mBlurredView.GetY() - GetY());
canvas.Scale(mDownsampleFactor, mDownsampleFactor);
canvas.DrawBitmap(mBlurredBitmap, 0, 0, null);
canvas.Restore();
}
canvas.DrawColor(mOverlayColor);
}
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
canvas.Save();
canvas.Translate(_width, _height);
canvas.Rotate(-90);
TextPaint paint = this.Paint;
//Android.Graphics.Color Colorr = Color. //this.TextColors.DefaultColor;
//
//var defcolor = this.TextColors.DefaultColor;
//var Redd = Color.GetRedComponent(defcolor);
//var Blue = Color.GetBlueComponent(defcolor);
//var Greenn = Color.GetGreenComponent(defcolor);
//var Birlestir = Color.Rgb(Redd, Greenn, Blue);
//ColorFilter cf = new PorterDuffColorFilter(Birlestir, PorterDuff.Mode.SrcAtop);
//paint.SetColorFilter(cf);
paint.Color = Color.White;
String text = getTextt();
paint.GetTextBounds(text, 0, text.Length, _bounds);
canvas.DrawText(text, this.CompoundPaddingLeft, (_bounds.Height() - _width) / 2, paint);
canvas.Restore();
}
protected override void DispatchDraw(Android.Graphics.Canvas canvas)
{
// Draw interior shadow
canvas.Save();
canvas.ClipRect(0, 0, Width, Height);
canvas.DrawPaint(shadow);
canvas.Restore();
base.DispatchDraw(canvas);
// Draw custom list separator
canvas.Save();
canvas.ClipRect(0, Height - 2, Width, Height);
canvas.DrawColor(Android.Graphics.Color.Rgb(LightTone, LightTone, LightTone));
canvas.Restore();
}
protected override bool DrawChild(ACanvas canvas, global::Android.Views.View child, long drawingTime)
{
if (this.Element == null)
{
return(false);
}
CorneredContentView control = (CorneredContentView)this.Element;
this.SetClipChildren(true);
//Create path to clip the child
using (Path path = new Path())
{
path.AddRoundRect(new RectF(0, 0, this.Width, this.Height), this.GetRadii(control), Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
}
// Draw the child first so that the border shows up above it.
bool result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
this.DrawBorder(canvas, control);
return(result);
}
protected override bool DrawChild(ACanvas canvas, global::Android.Views.View child, long drawingTime)
{
if (Element == null)
{
return(false);
}
var control = (PancakeView)Element;
SetClipChildren(true);
//Create path to clip the child
using (var path = new Path())
{
path.AddRoundRect(new RectF(0, 0, Width, Height), GetRadii(control), Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
}
// Draw the child first so that the border shows up above it.
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
DrawBorder(canvas, control);
return(result);
}
protected override void DispatchDraw(Android.Graphics.Canvas canvas)
{
base.DispatchDraw(canvas);
if (opened || isTracking || animator != null)
{
// Draw inset shadow on the menu
canvas.Save();
shadowDrawable.SetBounds(0, 0, Context.ToPixels(8), Height);
canvas.Translate(ContentView.Left - shadowDrawable.Bounds.Width(), 0);
shadowDrawable.Draw(canvas);
canvas.Restore();
if (contentOffsetX != 0)
{
// Cover the area with a black overlay to display openess graphically
var openness = ((float)(MaxOffset - contentOffsetX)) / MaxOffset;
overlayPaint.Alpha = Math.Max(0, (int)(MaxOverlayAlpha * openness));
if (overlayPaint.Alpha > 0)
{
canvas.DrawRect(0, 0, ContentView.Left, Height, overlayPaint);
}
}
}
}
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);
}
public void Draw(Canvas canvas)
{
canvas.Save();
canvas.Translate((float)Position.X, (float)Position.Y);
canvas.Rotate((float)Acceleration.Direction + ROTATION_OFFSET);
mDrawable.Draw(canvas);
canvas.Restore();
}
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);
}
protected override void OnDraw (Canvas canvas)
{
base.OnDraw (canvas);
canvas.Save ();
canvas.Translate (_posX, _posY);
canvas.Scale (_scaleFactor, _scaleFactor);
_icon.Draw (canvas);
canvas.Restore ();
}
// Rotate the canvas before drawing
protected override void DispatchDraw(Canvas canvas)
{
canvas.Save (SaveFlags.Matrix);
canvas.Rotate (-heading, Width * 0.5f, Height * 0.5f);
base.DispatchDraw (canvas);
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(Canvas canvas)
{
for (int i = 0; i < balls.Count; ++i)
{
ShapeHolder shapeHolder = balls[i];
canvas.Save();
canvas.Translate(shapeHolder.X, shapeHolder.Y);
shapeHolder.Shape.Draw(canvas);
canvas.Restore();
}
}
public override void Draw(Canvas canvas, ICharSequence text, int start, int end, float x, int top, int y, int bottom, Paint paint)
{
PrepView();
canvas.Save();
//Centering the token looks like a better strategy that aligning the bottom
int padding = (bottom - top - View.Bottom) / 2;
canvas.Translate(x, bottom - View.Bottom - padding);
View.Draw(canvas);
canvas.Restore();
}
/// <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 OnDraw(Android.Graphics.Canvas canvas)
{
base.OnDraw(canvas);
// Fill the background
canvas.DrawPaint(mBackgroundPaint);
// Test Text
canvas.Save();
var textWidth = mTextPaint.MeasureText("Hello");
Rect textBounds = new Rect();
mTextPaint.GetTextBounds("Hello", 0, 1, textBounds);
canvas.DrawText("Hello", canvas.Width / 2 - textWidth / 2, canvas.Height / 2 - textBounds.Height() / 2, mTextPaint);
textWidth = mTextPaint.MeasureText("World");
textBounds = new Rect();
mTextPaint.GetTextBounds("World", 0, 1, textBounds);
mTextPaint.Color = Color.Green;
canvas.DrawText("World", (canvas.Width / 2 - textWidth / 2) + 100, (canvas.Height / 2 - textBounds.Height() / 2) + 100, mTextPaint);
canvas.Restore();
foreach (Box box in mBoxes)
{
float left = Math.Min(box.Origin.X, box.Current.X);
float right = Math.Max(box.Origin.X, box.Current.X);
float top = Math.Min(box.Origin.Y, box.Current.Y);
float bottom = Math.Max(box.Origin.Y, box.Current.Y);
canvas.Save();
canvas.Rotate(box.Rotation, (box.Origin.X + box.Current.X) / 2, (box.Origin.Y + box.Current.Y) / 2);
canvas.DrawRect(left, top, right, bottom, mBoxPaint);
canvas.Restore();
}
}
protected override void OnDraw (Canvas canvas)
{
canvas.DrawColor (Color.White);
canvas.Translate (10, 10);
canvas.SaveLayerAlpha (0, 0, 200, 200, 0x88, SaveFlags.All);
mPaint.Color = Color.Red;
canvas.DrawCircle (75, 75, 75, mPaint);
mPaint.Color = Color.Blue;
canvas.DrawCircle (125, 125, 75, mPaint);
canvas.Restore ();
}
public override void Draw(Canvas canvas, ICharSequence text, Int32 start, Int32 end, Single x, Int32 top, Int32 y, Int32 bottom, Paint paint)
{
ApplyCustomTypeFace(paint, _type);
paint.GetTextBounds(_icon, 0, 1, TEXT_BOUNDS);
canvas.Save();
var baselineRatio = _baselineAligned ? 0f : BASELINE_RATIO;
if (_rotate)
{
var rotation = (SystemClock.CurrentThreadTimeMillis() - _rotationStartTime) / (Single)ROTATION_DURATION * 360f;
var centerX = x + TEXT_BOUNDS.Width() / 2f;
var centerY = y - TEXT_BOUNDS.Height() / 2f + TEXT_BOUNDS.Height() * baselineRatio;
canvas.Rotate(rotation, centerX, centerY);
}
canvas.DrawText(_icon, x - TEXT_BOUNDS.Left, y - TEXT_BOUNDS.Bottom + TEXT_BOUNDS.Height() * baselineRatio, paint);
canvas.Restore();
}
public static Bitmap ToRotatedBitmap(this Bitmap sourceBitmap, int rotationDegrees)
{
if (rotationDegrees == 0)
return sourceBitmap;
int width = sourceBitmap.Width;
int height = sourceBitmap.Height;
if (rotationDegrees == 90 || rotationDegrees == 270)
{
width = sourceBitmap.Height;
height = sourceBitmap.Width;
}
Bitmap bitmap = Bitmap.CreateBitmap(width, height, sourceBitmap.GetConfig());
using (Canvas canvas = new Canvas(bitmap))
using (Paint paint = new Paint())
using (BitmapShader shader = new BitmapShader(sourceBitmap, Shader.TileMode.Clamp, Shader.TileMode.Clamp))
using (Matrix matrix = new Matrix())
{
// paint.AntiAlias = true;
// paint.Dither = true;
// paint.FilterBitmap = true;
canvas.Save(Android.Graphics.SaveFlags.Matrix);
if (rotationDegrees == 90)
canvas.Rotate(rotationDegrees, width / 2, width / 2);
else if (rotationDegrees == 270)
canvas.Rotate(rotationDegrees, height / 2, height / 2);
else
canvas.Rotate(rotationDegrees, width / 2, height / 2);
canvas.DrawBitmap(sourceBitmap, matrix, paint);
canvas.Restore();
}
if (sourceBitmap != null && sourceBitmap.Handle != IntPtr.Zero && !sourceBitmap.IsRecycled)
{
sourceBitmap.Recycle();
sourceBitmap.Dispose();
}
return bitmap;
}
/// <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 = ((ImageCircle.Forms.Plugin.Abstractions.CircleImage)Element).BorderThickness;
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 thickness = ((ImageCircle.Forms.Plugin.Abstractions.CircleImage)Element).BorderThickness;
if(thickness > 0.0f)
{
var paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = thickness;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = ((ImageCircle.Forms.Plugin.Abstractions.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 {
// 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);
}
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();
}
protected override void OnDraw(Canvas canvas)
{
if (_image != null && _filter != null) {
var cFilter = new ColorMatrixColorFilter (_filter);
Paint paint = new Paint ();
paint.SetColorFilter (cFilter);
Matrix matrix = new Matrix ();
canvas.Save ();
float horizotalScale = (Right - Left) / (float)_image.Width;
float verticalScale = (Bottom - Top) / (float)_image.Height;
float scale = horizotalScale < verticalScale ? horizotalScale : verticalScale;
matrix.SetScale (scale,scale);
canvas.DrawBitmap (_image, matrix, paint);
canvas.Restore ();
}
}
public override void Draw(Canvas canvas, ICharSequence text, int start, int end, float x, int top, int y,
int bottom, Paint paint)
{
ApplyCustomTypeFace(paint, _typeface);
paint.GetTextBounds(_icon, 0, 1, TextBounds);
canvas.Save();
if (_rotate)
{
var rotation = (DateTimeHelpers.CurrentUnixTimeMillis() - _rotationStartTime)/(float) RotationDuration*
360f;
var centerX = x + TextBounds.Width()/2f;
var centerY = y - TextBounds.Height()/2f + TextBounds.Height()*BaselineRatio;
canvas.Rotate(rotation, centerX, centerY);
}
canvas.DrawText(_icon, x - TextBounds.Left, y - TextBounds.Bottom + TextBounds.Height()*BaselineRatio,
paint);
canvas.Restore();
}
protected override bool DrawChild(ACanvas canvas, global::Android.Views.View child, long drawingTime)
{
if (Element == null)
{
return(false);
}
var pancake = Element as PancakeView;
SetClipChildren(true);
//Create path to clip the child
if (pancake.Sides != 4)
{
using (var path = DrawingExtensions.CreatePolygonPath(Width, Height, pancake.Sides, pancake.CornerRadius.TopLeft, pancake.OffsetAngle))
{
canvas.Save();
canvas.ClipPath(path);
}
}
else
{
using (var path = DrawingExtensions.CreateRoundedRectPath(Width, Height,
Context.ToPixels(pancake.CornerRadius.TopLeft),
Context.ToPixels(pancake.CornerRadius.TopRight),
Context.ToPixels(pancake.CornerRadius.BottomRight),
Context.ToPixels(pancake.CornerRadius.BottomLeft)))
{
canvas.Save();
canvas.ClipPath(path);
}
}
// Draw the child first so that the border shows up above it.
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
DrawBorder(canvas, pancake);
return(result);
}
public override void Draw(Canvas canvas, ICharSequence text, int start, int end, float x, int top, int y, int bottom, Paint paint)
{
ApplyCustomTypeFace(paint, type);
paint.GetTextBounds(icon, 0, 1, TEXT_BOUNDS);
canvas.Save();
float baselineRatio = baselineAligned ? 0f : BASELINE_RATIO;
if (rotate)
{
long time = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
float rotation = (time - rotationStartTime) / (float)ROTATION_DURATION * 360f;
float centerX = x + TEXT_BOUNDS.Width() / 2f;
float centerY = y - TEXT_BOUNDS.Height() / 2f + TEXT_BOUNDS.Height() * baselineRatio;
canvas.Rotate(rotation, centerX, centerY);
}
canvas.DrawText(icon,
x - TEXT_BOUNDS.Left,
y - TEXT_BOUNDS.Bottom + TEXT_BOUNDS.Height() * baselineRatio, paint);
canvas.Restore();
}
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));
}
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 bool DrawChild(ACanvas canvas, global::Android.Views.View child, long drawingTime)
{
if (Element == null)
{
return(false);
}
var control = (CanvasView)Element;
SetClipChildren(true);
//Create path to clip the child
if (control.Sides != 4)
{
using (var path = PolygonUtils.GetPolygonCornerPath(Width, Height, control.Sides, control.CornerRadius.TopLeft, control.OffsetAngle))
{
canvas.Save();
canvas.ClipPath(path);
}
}
else
{
using (var path = new Path())
{
path.AddRoundRect(new RectF(0, 0, Width, Height), GetRadii(control), Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
}
}
// Draw the child first so that the border shows up above it.
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
DrawBorder(canvas, control);
return(result);
}
protected override bool DrawChild(Android.Graphics.Canvas canvas, Android.Views.View child, long drawingTime)
{
try
{
var radius = Math.Min(Width, Height) / 2;
var strokeWidth = Convert.ToInt32(element.BorderWidth);
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 = element.BorderWidth;
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)
{
var msg = ex.Message;
}
return(base.DrawChild(canvas, child, drawingTime));
}
protected override bool DrawChild(Canvas canvas, global::Android.Views.View child, long drawingTime)
{
try
{
var path = new Path ();
path.AddRoundRect (new RectF (0, 0, Width, Height), 15f, 15f, Path.Direction.Ccw);
canvas.Save ();
canvas.ClipPath (path);
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
path.Dispose();
return result;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Unable to create rounded rectangle image: " + ex);
}
return base.DrawChild(canvas, child, drawingTime);
}
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(Android.Graphics.Canvas canvas)
{
var textPaint = this.Paint;
textPaint.Color = new Color(this.CurrentTextColor);
canvas.Save();
if (m_TopDown)
{
canvas.Translate(this.Width, 0);
canvas.Rotate(90.0f);
}
else
{
canvas.Translate(0, this.Height);
canvas.Rotate(-90.0f);
}
canvas.Translate(this.CompoundPaddingLeft, this.ExtendedPaddingTop);
this.Layout.Draw(canvas);
canvas.Restore();
}
protected void DrawAt(Canvas canvas, Drawable drawable, int x, int y, bool shadow)
{
try
{
canvas.Save();
canvas.Translate(x, y);
if (shadow)
{
drawable.SetColorFilter(Util.Int32ToColor(2130706432), PorterDuff.Mode.SrcIn);
canvas.Skew(-0.9F, 0.0F);
canvas.Scale(1.0F, 0.5F);
}
drawable.Draw(canvas);
if (shadow)
{
drawable.ClearColorFilter();
}
}
finally
{
canvas.Restore();
}
}
public override void Draw (Canvas canvas)
{
if (flip) {
canvas.Save();
canvas.Scale(1f, -1f, IntrinsicWidth / 2, IntrinsicHeight / 2);
}
topLine.draw(canvas);
middleLine.draw(canvas);
bottomLine.draw(canvas);
if (flip) canvas.Restore();
// throw new NotImplementedException ();
}
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 ();
}
/// <summary>
/// Draws the ship, fuel/speed bars, and background to the provided
/// Canvas.
/// </summary>
private void DoDraw(Canvas canvas)
{
// Draw the background image. Operations on the Canvas accumulate
// so this is like clearing the screen.
canvas.DrawBitmap(mBackgroundImage, 0, 0, null);
int yTop = mCanvasHeight - ((int) mY + mLanderHeight / 2);
int xLeft = (int) mX - mLanderWidth / 2;
// Draw the fuel gauge
int fuelWidth = (int)(UI_BAR * mFuel / PHYS_FUEL_MAX);
mScratchRect.Set(4, 4, 4 + fuelWidth, 4 + UI_BAR_HEIGHT);
canvas.DrawRect(mScratchRect, mLinePaint);
// Draw the speed gauge, with a two-tone effect
double speed = Math.Sqrt(mDX * mDX + mDY * mDY);
int speedWidth = (int)(UI_BAR * speed / PHYS_SPEED_MAX);
if (speed <= mGoalSpeed)
{
mScratchRect.Set(4 + UI_BAR + 4, 4, 4 + UI_BAR + 4 + speedWidth, 4 + UI_BAR_HEIGHT);
canvas.DrawRect(mScratchRect, mLinePaint);
}
else
{
// Draw the bad color in back, with the good color in front of
// it
mScratchRect.Set(4 + UI_BAR + 4, 4, 4 + UI_BAR + 4 + speedWidth, 4 + UI_BAR_HEIGHT);
canvas.DrawRect(mScratchRect, mLinePaintBad);
int goalWidth = (UI_BAR * mGoalSpeed / PHYS_SPEED_MAX);
mScratchRect.Set(4 + UI_BAR + 4, 4, 4 + UI_BAR + 4 + goalWidth, 4 + UI_BAR_HEIGHT);
canvas.DrawRect(mScratchRect, mLinePaint);
}
// Draw the landing pad
canvas.DrawLine(mGoalX, 1 + mCanvasHeight - TARGET_PAD_HEIGHT, mGoalX + mGoalWidth, 1 + mCanvasHeight - TARGET_PAD_HEIGHT, mLinePaint);
// Draw the ship with its current rotation
canvas.Save();
canvas.Rotate((float) mHeading, (float) mX, mCanvasHeight - (float) mY);
if (mMode == STATE_LOSE)
{
mCrashedImage.SetBounds(xLeft, yTop, xLeft + mLanderWidth, yTop + mLanderHeight);
mCrashedImage.Draw(canvas);
}
else if (mEngineFiring)
{
mFiringImage.SetBounds(xLeft, yTop, xLeft + mLanderWidth, yTop + mLanderHeight);
mFiringImage.Draw(canvas);
}
else
{
mLanderImage.SetBounds(xLeft, yTop, xLeft + mLanderWidth, yTop + mLanderHeight);
mLanderImage.Draw(canvas);
}
canvas.Restore();
}
private void drawPorcentajeOnCanvas(Canvas canvas)
{
base.OnDraw (canvas);
canvas.Save ();
canvas.DrawColor(Android.Graphics.Color.White);
//Obtenemos el centro de nuesto canvas
float x = this.MeasuredWidth / 2;
float y = this.MeasuredHeight / 2;
//Obtenemos el radio R1
//Obtenemos el radio R2
float R1 = 0;
float R2 = 0;
//if (canvas.Width < canvas.Height) {
if (this.MeasuredWidth < this.MeasuredHeight) {
R1 = x;//Obtenemos el radio R1
R2 = x-(x*por_rango/100);
} else {
R1 = y ;//Obtenemos el radio R1
R2 = y-(y *por_rango/100);//Obtenemos el radio R2 que dejamos un 20% de margen
}
//Dibujamos el fondo de nuestro grafico que va ir creciendo de acuerdo al porcentaje descargado
RectF rectF2 = new RectF(x-R1, y-R1,x+R1, y+R1);
mPaintFondo.Color= Android.Graphics.Color.Rgb(19,184,213);
int grados = 0;
grados = 360 * porcentaje / 100;
canvas.DrawArc(rectF2, 270, grados, true, mPaintFondo);
//Fondo superior de nuestro texto
mPaintSuperior.Color= Android.Graphics.Color.Rgb(50,58,69);
canvas.DrawCircle(x,y , R2, mPaintSuperior);
//Texto que nos indica el procentaje descargado
mPaintTexto.SetTypeface (mFace);
mPaintTexto.Color = Color.White;
//Obtenemos el 30 % de radio de nuestro circulo de fondo, el cual sera el tamaño de letra utilzar;
float MYTEXTSIZE = R2 *30/100;
// Get the screen's density scale
float scale = Application.Context.Resources.DisplayMetrics.Density;
//Convert the dps to pixels, based on density scale
int textSizePx = (int) (MYTEXTSIZE * scale + 0.5f);
mPaintTexto.TextSize = textSizePx;
//Obtenemos la posicion para centrar adecuadamente nuesto texto
int xPos = (this.MeasuredWidth / 2);
int yPos = (int) ((this.MeasuredHeight / 2) - ((mPaintTexto.Descent() + mPaintTexto.Ascent()) / 2)) ;
string Texto_Porcentaje =porcentaje.ToString();
canvas.DrawText (Texto_Porcentaje+" %", xPos,yPos, mPaintTexto);
canvas.Restore();
}
protected override bool DrawChild(Android.Graphics.Canvas canvas, Android.Views.View child, long drawingTime)
{
if (Element == null)
{
return(false);
}
RoundedCornerView rcv = (RoundedCornerView)Element;
this.SetClipChildren(true);
rcv.Padding = new Thickness(0, 0, 0, 0);
//rcv.HasShadow = false;
int radius = (int)(rcv.RoundedCornerRadius);
// Check if make circle is set to true. If so, then we just use the width and
// height of the control to calculate the radius. RoundedCornerRadius will be ignored
// in this case.
if (rcv.MakeCircle)
{
radius = Math.Min(Width, Height) / 2;
}
// When we create a round rect, we will have to double the radius since it is not
// the same as creating a circle.
radius *= 2;
try
{
//Create path to clip the child
var path = new Path();
path.AddRoundRect(new RectF(0, 0, Width, Height),
new float[] { radius, radius, radius, radius, radius, radius, radius, radius },
Path.Direction.Ccw);
canvas.Save();
canvas.ClipPath(path);
// Draw the child first so that the border shows up above it.
var result = base.DrawChild(canvas, child, drawingTime);
canvas.Restore();
/*
* If a border is specified, we use the same path created above to stroke
* with the border color.
* */
if (rcv.BorderWidth > 0)
{
// Draw a filled circle.
var paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = rcv.BorderWidth;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = rcv.BorderColor.ToAndroid();
canvas.DrawPath(path, paint);
paint.Dispose();
}
//Properly dispose
path.Dispose();
return(result);
}
catch (Exception ex)
{
System.Console.Write(ex.Message);
}
return(base.DrawChild(canvas, child, drawingTime));
}
protected override void OnDraw (Canvas canvas)
{
base.OnDraw (canvas);
DrawHexagon (canvas);
canvas.Save ();
canvas.Scale (.4f, .5f, Width / 2, Height / 2);
DrawCross (canvas);
canvas.Restore ();
}
protected override bool DrawChild(Android.Graphics.Canvas canvas, Android.Views.View child, long drawingTime)
{
var fImage = (CircularImage)this.Element;
try
{
var radius = (float)Math.Min(Width, Height) / 2f;
var borderThickness = fImage.BorderWidth;
float strokeWidth = 0f;
if (borderThickness > 0)
{
var logicalDensity = Xamarin.Forms.Forms.Context.Resources.DisplayMetrics.Density;
strokeWidth = (float)Math.Ceiling(borderThickness * logicalDensity + .5f);
}
radius -= strokeWidth / 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 = fImage.BorderColor.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);
if (strokeWidth > 0.0f)
{
paint = new Paint();
paint.AntiAlias = true;
paint.StrokeWidth = strokeWidth;
paint.SetStyle(Paint.Style.Stroke);
paint.Color = fImage.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));
}
public void DrawSelector(View content, Canvas canvas, float openPercent)
{
if (!SelectorEnabled) return;
if (_selectorDrawable != null && SelectedView != null)
{
var tag = (string)SelectedView.GetTag(Resource.Id.selected_view);
if (tag.Equals(Tag + "SelectedView"))
{
canvas.Save();
int left, right;
var offset = (int)(SelectorBitmap.Width * openPercent);
if (Mode == MenuMode.Left)
{
right = content.Left;
left = right - offset;
canvas.ClipRect(left, 0, right, Height);
canvas.DrawBitmap(SelectorBitmap, left, SelectorTop, null);
}
else if (Mode == MenuMode.Right)
{
left = content.Right;
right = left + offset;
canvas.ClipRect(left, 0, right, Height);
canvas.DrawBitmap(SelectorBitmap, right - SelectorBitmap.Width, SelectorTop, null);
}
canvas.Restore();
}
}
}
protected override void DispatchDraw(Canvas canvas)
{
base.DispatchDraw(canvas);
if (mDrag && (mShadowBuilder != null))
{
Point size = new Point();
Point touchPoint = new Point();
mShadowBuilder.OnProvideShadowMetrics(size, touchPoint);
canvas.Save();
canvas.Translate(mX - touchPoint.X, mY - touchPoint.Y);
mShadowBuilder.OnDraw(canvas);
canvas.Restore();
}
}
protected override void DispatchDraw(Canvas canvas)
{
if (_transformer != null)
{
canvas.Save();
_transformer.TransformCanvas(canvas, CustomViewAbove.PercentOpen);
base.DispatchDraw(canvas);
canvas.Restore();
}
else
base.DispatchDraw(canvas);
}
