void CreateBitmapData (string str, out byte[] bitmapData, out int width, out int height)
{
Paint paint = new Paint ();
paint.TextSize = 128;
paint.TextAlign = Paint.Align.Left;
paint.SetTypeface (Typeface.Default);
width = height = 256;
float textWidth = paint.MeasureText (str);
using (Bitmap bitmap = Bitmap.CreateBitmap (width, height, Bitmap.Config.Argb8888)) {
Canvas canvas = new Canvas (bitmap);
paint.Color = str != " " ? Color.White : Color.LightGray;
canvas.DrawRect (new Rect (0, 0, width, height), paint);
paint.Color = Color.Black;
canvas.DrawText (str, (256 - textWidth) / 2f, (256 - paint.Descent () - paint.Ascent ()) / 2f, paint);
bitmapData = new byte [width * height * 4];
Java.Nio.ByteBuffer buffer = Java.Nio.ByteBuffer.Allocate (bitmapData.Length);
bitmap.CopyPixelsToBuffer (buffer);
buffer.Rewind ();
buffer.Get (bitmapData, 0, bitmapData.Length);
}
}
public override void Draw (Canvas canvas)
{
var bounds = Bounds;
if (alpha != 255) {
paint.Alpha = 255;
if (SecondBitmap != null) {
if (shader1 == null)
shader1 = new BitmapShader (FirstBitmap, Shader.TileMode.Clamp, Shader.TileMode.Clamp);
shader1.SetLocalMatrix (matrix);
paint.SetShader (shader1);
canvas.DrawRect (bounds, paint);
} else
canvas.DrawColor (defaultColor.ToAndroidColor());
}
if (alpha != 0) {
paint.Alpha = alpha;
if (FirstBitmap != null) {
if (shader2 == null)
shader2 = new BitmapShader (SecondBitmap, Shader.TileMode.Clamp, Shader.TileMode.Clamp);
shader2.SetLocalMatrix (matrix);
paint.SetShader (shader2);
canvas.DrawRect (bounds, paint);
} else
canvas.DrawColor (defaultColor.ToAndroidColor());
}
}
public override void Draw(Android.Graphics.Canvas canvas)
{
base.Draw(canvas);
GLabBoxView boxView = (GLabBoxView)Element;
Rect rect = new Rect();
GetDrawingRect(rect);
Rect inside = rect;
inside.Inset(
(int)boxView.BorderThickness,
(int)boxView.BorderThickness
);
Paint p = new Paint();
p.Color = boxView.Color.ToAndroid();
canvas.DrawRect(inside, p);
p.Color = boxView.BorderColor.ToAndroid();
p.StrokeWidth = (float)boxView.BorderThickness;
p.SetStyle(Paint.Style.FillAndStroke);
canvas.DrawRect(rect, p);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
canvas.DrawRect(0,0,Width,Height, new Paint
{
Color=Color.Black
});
canvas.DrawRect(1, 1, Width - 1, Height - 1, new Paint
{
Color = BackgroundColor
});
}
public static void parse(SVGProperties pSVGProperties, Canvas pCanvas, SVGPaint pSVGPaint, RectF pRect) {
float x = pSVGProperties.getFloatAttribute(SVGConstants.ATTRIBUTE_X, 0f);
float y = pSVGProperties.getFloatAttribute(SVGConstants.ATTRIBUTE_Y, 0f);
float width = pSVGProperties.getFloatAttribute(SVGConstants.ATTRIBUTE_WIDTH, 0f);
float height = pSVGProperties.getFloatAttribute(SVGConstants.ATTRIBUTE_HEIGHT, 0f);
pRect.Set(x, y, x + width, y + height);
float? rX = pSVGProperties.getFloatAttribute(SVGConstants.ATTRIBUTE_RADIUS_X);
float? rY = pSVGProperties.getFloatAttribute(SVGConstants.ATTRIBUTE_RADIUS_Y);
bool rXSpecified = rX != null && rX >= 0;
bool rYSpecified = rY != null && rY >= 0;
bool rounded = rXSpecified || rYSpecified;
float rx;
float ry;
if(rXSpecified && rYSpecified) {
rx = Math.Min(rX.Value, width * 0.5f);
ry = Math.Min(rY.Value, height * 0.5f);
} else if(rXSpecified) {
ry = rx = Math.Min(rX.Value, width * 0.5f);
} else if(rYSpecified) {
rx = ry = Math.Min(rY.Value, height * 0.5f);
} else {
rx = 0;
ry = 0;
}
bool fill = pSVGPaint.setFill(pSVGProperties);
if (fill) {
if(rounded) {
pCanvas.DrawRoundRect(pRect, rx, ry, pSVGPaint.getPaint());
} else {
pCanvas.DrawRect(pRect, pSVGPaint.getPaint());
}
}
bool stroke = pSVGPaint.setStroke(pSVGProperties);
if (stroke) {
if(rounded) {
pCanvas.DrawRoundRect(pRect, rx, ry, pSVGPaint.getPaint());
} else {
pCanvas.DrawRect(pRect, pSVGPaint.getPaint());
}
}
if(fill || stroke) {
pSVGPaint.ensureComputedBoundsInclude(x, y, width, height);
}
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
int height = Height;
int childCount = ChildCount;
int dividerHeightPx = (int)(Math.Min(Math.Max(0f, _dividerHeight), 1f) * height);
SlidingTabLayout.ITabColorizer tabColorizer = _customTabColorizer != null ? _customTabColorizer: _defaultTabColorizer;
// Thick colored underline below the current selection
if (childCount > 0)
{
View selectedTitle = GetChildAt(_selectedPosition);
int left = selectedTitle.Left;
int right = selectedTitle.Right;
int color = tabColorizer.GetIndicatorColor(_selectedPosition);
if (_selectionOffset > 0f && _selectedPosition < (ChildCount - 1))
{
int nextColor = tabColorizer.GetIndicatorColor(_selectedPosition + 1);
if (color != nextColor)
{
color = BlendColors(nextColor, color, _selectionOffset);
}
// Draw the selection partway between the tabs
View nextTitle = GetChildAt(_selectedPosition + 1);
left = (int)(_selectionOffset * nextTitle.Left + (1.0f - _selectionOffset) * left);
right = (int)(_selectionOffset * nextTitle.Right + (1.0f - _selectionOffset) * right);
}
_selectedIndicatorPaint.Color = Color.LightSkyBlue;
canvas.DrawRect(left, height - _selectedIndicatorThickness, right,
height, _selectedIndicatorPaint);
}
// Thin underline along the entire bottom edge
canvas.DrawRect(0, height - _bottomBorderThickness, Width, height, _bottomBorderPaint);
// Vertical separators between the titles
int separatorTop = (height - dividerHeightPx) / 2;
for (int i = 0; i < childCount - 1; i++)
{
View child = GetChildAt(i);
_dividerPaint.Color = Color.Gray;
canvas.DrawLine(child.Right, separatorTop, child.Right,
separatorTop + dividerHeightPx, _dividerPaint);
}
}
protected override void OnDraw(Canvas canvas)
{
RectF rect = _colorRect;
// ReSharper disable once ConditionIsAlwaysTrueOrFalse
if (BorderWidthPx > 0)
{
_borderPaint.Color = new Color((int) _borderColor);
canvas.DrawRect(_drawingRect, _borderPaint);
}
_colorPaint.Color = new Color((int) _color);
canvas.DrawRect(rect, _colorPaint);
}
public override Android.Graphics.Drawables.Drawable GetBackgroundForPage (int row, int column)
{
Point pt = new Point (column, row);
Drawable drawable;
if (!mBackgrounds.ContainsKey(pt))
{
// the key wasn't found in Dictionary
var bm = Bitmap.CreateBitmap(200, 200, Bitmap.Config.Argb8888);
var c = new Canvas(bm);
var p = new Paint();
// Clear previous image.
c.DrawRect(0, 0, 200, 200, p);
p.AntiAlias = true;
p.SetTypeface(Typeface.Default);
p.TextSize = 64;
p.Color = Color.LightGray;
p.TextAlign = Paint.Align.Center;
c.DrawText(column + "-" + row, 100, 100, p);
drawable = new BitmapDrawable(owner.Resources, bm);
mBackgrounds.Add(pt, drawable);
}
else
{
// the key was found
drawable = mBackgrounds[pt];
}
return drawable;
}
protected override void OnDraw(Canvas canvas)
{
Paint p = new Paint();
Paint n = new Paint();
n.Color = (Color.Black);
n.TextAlign = (Paint.Align.Center);
p.Color = (Color.Blue);
p.Alpha = (50);
canvas.DrawRect(picker, p);
int[,] field = GameController.getInstance().getNumbers();
float widthStep = (float)MeasuredWidth/9;
float heightStep = (float)MeasuredHeight/9;
n.TextSize = (heightStep);
int[,] initial = GameController.getInstance().getInitialNumber();
for (int i = 0; i < 9; i++){
for (int q = 0; q < 9; q++){
if (initial[i,q] != 0){
canvas.DrawText(initial[i,q] + "", widthStep*q + (widthStep / 2),
heightStep*i + heightStep - (heightStep*0.1f), n);
}
}
}
n.Alpha = (150);
for (int i = 0; i < 9; i++){
for (int q = 0; q < 9; q++){
if (field[i,q] != 0){
canvas.DrawText(field[i,q] + "", widthStep*i + (widthStep / 2),
heightStep*q + heightStep - (heightStep*0.1f), n);
}
}
}
base.OnDraw(canvas);
}
protected void DrawShape(Canvas canvas)
{
Paint paint = new Paint();
paint.Color = Color;
switch (Shape)
{
case ShapeEnum.RectangleShape:
canvas.DrawRect(0, 0, ShapeWidth, ShapeHeight, paint);
break;
case ShapeEnum.OvalShape:
canvas.DrawOval(new RectF(0, 0, ShapeWidth, ShapeHeight), paint);
break;
case ShapeEnum.TriangleShape:
Path path = new Path();
path.MoveTo(ShapeWidth / 2, 0);
path.LineTo(ShapeWidth, ShapeHeight);
path.LineTo(0,ShapeHeight);
path.Close();
canvas.DrawPath(path, paint);
break;
default:
canvas.DrawCircle(ShapeWidth / 2, ShapeHeight / 2, ShapeWidth / 2, paint);
break;
}
}
protected virtual void HandleShapeDraw (Canvas canvas)
{
// We need to account for offsetting the coordinates based on the padding
var x = GetX () + Resize (this.ShapeView.Padding.Left);
var y = GetY () + Resize (this.ShapeView.Padding.Top);
switch (ShapeView.ShapeType) {
case ShapeType.Box:
HandleStandardDraw (canvas, p => {
var rect = new RectF (x, y, x + this.Width, y + this.Height);
if (ShapeView.CornerRadius > 0) {
var cr = Resize (ShapeView.CornerRadius);
canvas.DrawRoundRect (rect, cr, cr, p);
} else {
canvas.DrawRect (rect, p);
}
});
break;
case ShapeType.Circle:
HandleStandardDraw (canvas, p => canvas.DrawCircle (x + this.Width / 2, y + this.Height / 2, (this.Width - 10) / 2, p));
break;
case ShapeType.CircleIndicator:
HandleStandardDraw (canvas, p => canvas.DrawCircle (x + this.Width / 2, y + this.Height / 2, (this.Width - 10) / 2, p), drawFill: false);
HandleStandardDraw (canvas, p => canvas.DrawArc (new RectF (x, y, x + this.Width, y + this.Height), QuarterTurnCounterClockwise, 360 * (ShapeView.IndicatorPercentage / 100), false, p), ShapeView.StrokeWidth + 3, false);
break;
}
}
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 void DispatchDraw (Canvas canvas)
{
base.DispatchDraw (canvas);
if (FadeLength > 0) {
var isHoriz = Orientation == Orientation.Horizontal;
fadeRect.Right = canvas.Width;
fadeRect.Bottom = canvas.Height;
if (isHoriz) {
// On the right
fadeRect.Left = canvas.Width - FadeLength;
fadeRect.Top = 0;
} else {
// On the bottom
fadeRect.Left = 0;
fadeRect.Top = canvas.Height - FadeLength;
}
var gradient = new LinearGradient (
fadeRect.Left, fadeRect.Top,
isHoriz ? fadeRect.Right : fadeRect.Left, isHoriz ? fadeRect.Top : fadeRect.Bottom,
new Color (255, 255, 255, 255), new Color (255, 255, 255, 0),
Shader.TileMode.Clamp);
fadePaint.SetShader (gradient);
canvas.DrawRect (fadeRect, fadePaint);
}
}
public override void Draw(Canvas canvas)
{
LoadResources ();
var blackPaint = new Paint () { Color = black.Value };
var whitePaint = new Paint () { Color = white.Value };
XamGame.RenderBoard ((RectangleF rect, Square.ColourNames color) =>
{
var paint = color == Square.ColourNames.White ? whitePaint : blackPaint;
canvas.DrawRect (rect.X, rect.Y, rect.Right, rect.Bottom, paint);
}, (RectangleF rect, object image) =>
{
if (image != null)
canvas.DrawBitmap ((Bitmap) image, rect.Left, rect.Top, null);
});
// New Game button
whitePaint.Color = white.Value;
whitePaint.SetStyle (Paint.Style.Fill);
whitePaint.TextSize = 30;
whitePaint.AntiAlias = true;
Rect bounds = new Rect ();
whitePaint.GetTextBounds ("New Game", 0, 8, bounds);
canvas.DrawText ("New Game", (this.Width - bounds.Width ()) / 2, this.Bottom - (XamGame.BoardUpperLeftCorner.Y - bounds.Height ()) / 2, whitePaint);
whitePaint.Dispose ();
blackPaint.Dispose ();
base.Draw (canvas);
}
public override void Draw (Canvas canvas)
{
if (gradientColor == null) {
return;
}
canvas.DrawRect (Bounds, paint);
}
private static void DrawRectangle(Canvas canvas, RectF destination, Styles.Color outlineColor)
{
var paint = new Paint();
paint.SetStyle(Paint.Style.Stroke);
paint.Color = new AndroidColor(outlineColor.R, outlineColor.G, outlineColor.B, outlineColor.A);
paint.StrokeWidth = 4;
canvas.DrawRect(destination, paint);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
float middle = canvas.Width * (float)_position;
canvas.DrawPaint(_negativePaint);
canvas.DrawRect(0, 0, middle, canvas.Height, _positivePaint);
}
protected override void OnDraw(Canvas canvas)
{
int canvasWidth = canvas.Width;
int canvasHeight = canvas.Height;
paint.SetStyle(Paint.Style.Fill);
paint.Color=color(0xffff0000);
canvas.DrawRect(dp2px(16), dp2px(16), dp2px(50), dp2px(50), paint);
paint.Color= color(0xffcc9900);
canvas.DrawRect(dp2px(100), dp2px(16), dp2px(133), dp2px(50), paint);
paint.Color = color(0xff00ff00);
canvas.DrawRect(dp2px(16), dp2px(106), dp2px(50), dp2px(140), paint);
paint.Color = color(0xff6600ff);
canvas.DrawRect(dp2px(100), dp2px(106), dp2px(133), dp2px(140), paint);
canvas.Translate(canvasWidth / 2, canvasHeight / 2);
paint.StrokeWidth=3;
paint.SetStyle(Paint.Style.Stroke);
paint.TextSize=dp2px(18);
paint.Color= color(0xffffff00);
canvas.DrawText("Custom View", -dp2px(53), dp2px(3), paint);
}
protected override void OnDraw (Canvas canvas)
{
base.OnDraw (canvas);
float l = 0;
float t = Height - PaddingBottom - DipToPixels (Context, 217);
float r = Width - PaddingRight;
float b = Height - DipToPixels (Context, 60);
canvas.DrawRect (l, t, r, b, boxPaint);
canvas.DrawPath (path, pathPaint);
}
public static void Draw(Canvas canvas, IViewport viewport, IStyle style, IFeature feature)
{
var point = feature.Geometry as Point;
var dest = viewport.WorldToScreen(point);
var symbolSize = (float)SymbolStyle.DefaultHeight;
var symbolType = SymbolType.Ellipse;
var symbolStyle = style as SymbolStyle;
if (symbolStyle != null)
{
if (symbolStyle.BitmapId >= 0)
{
// Bitmap
if (!feature.RenderedGeometry.ContainsKey(style))
{
var imageStream = BitmapRegistry.Instance.Get(symbolStyle.BitmapId);
imageStream.Position = 0;
var androidBitmap = BitmapFactory.DecodeStream(imageStream);
feature.RenderedGeometry[style] = androidBitmap;
}
var bitmap = (Bitmap)feature.RenderedGeometry[style];
var halfWidth = bitmap.Width / 2;
var halfHeight = bitmap.Height / 2;
var dstRectForRender = new RectF((float)dest.X - halfWidth, (float)dest.Y - halfHeight, (float)dest.X + halfWidth, (float)dest.Y + halfHeight);
canvas.DrawBitmap(bitmap, null, dstRectForRender, null);
return;
}
symbolType = symbolStyle.SymbolType;
if (symbolStyle.SymbolScale > 0) symbolSize = (float)symbolStyle.SymbolScale * symbolSize;
}
// Drawing
var paints = style.ToAndroid();
if (symbolType == SymbolType.Ellipse)
{
foreach (var paint in paints)
{
canvas.DrawCircle((int)dest.X, (int)dest.Y, symbolSize, paint);
paint.Dispose();
}
}
else
{
foreach (var paint in paints)
{
canvas.DrawRect(-(float)SymbolStyle.DefaultWidth, (float)SymbolStyle.DefaultHeight, (float)SymbolStyle.DefaultWidth, -(float)SymbolStyle.DefaultHeight, paint);
paint.Dispose();
}
}
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
//Clean(canvas);
rect = new Rect(App.DrawOffset, App.DrawOffset, App.DrawOffset + App.DrawWidth, App.DrawOffset + App.DrawHeight);
canvas.DrawRect(rect, r_paint);
if (App.planes != null && App.planes.Count > 0)
{
foreach (StructPlane plane in App.planes)
{
plane.Draw(canvas);
}
}
base.OnDraw(canvas);
}
protected override void OnDraw (Canvas canvas)
{
RectF rect = mColorRect;
if(BORDER_WIDTH_PX > 0){
//TODO : check the conversion
byte[] byteArr = BitConverter.GetBytes (mBorderColor);
mBorderPaint.Color = Color.Argb (byteArr [0], byteArr [1], byteArr [2], byteArr [3]);
canvas.DrawRect(mDrawingRect, mBorderPaint);
}
if(mAlphaPattern != null){
mAlphaPattern.Draw(canvas);
}
//TODO : check the conversion
byte[] byteArr1 = BitConverter.GetBytes (mColor);
mColorPaint.Color = Color.Argb (byteArr1 [0], byteArr1 [1], byteArr1 [2], byteArr1 [3]);
// mColorPaint.Color = Color.Gold;
canvas.DrawRect(rect, mColorPaint);
}
private static Bitmap RenderImage (PdfRenderer.Page page)
{
var bitmap = Bitmap.CreateBitmap (page.Width, page.Height, Bitmap.Config.Argb8888);
// Fill with default while color first
var canvas = new Canvas(bitmap);
var paint = new Paint ()
{
Color = Color.White
};
canvas.DrawRect (new Rect (0, 0, page.Width, page.Height), paint);
// Render content
page.Render (bitmap, null, null, PdfRenderMode.ForDisplay);
return bitmap;
}
public override void Draw(Android.Graphics.Canvas canvas, MapView mapView, bool shadow)
{
base.Draw(canvas, mapView, shadow);
var paint = new Paint();
paint.AntiAlias = true;
paint.Color = Color.Purple;
// to draw fixed graphics that will not move or scale with the map
//canvas.DrawRect (0, 0, 100, 100, paint);
// to draw graphics at a geocoded location that move and scale with the map
var gp = new GeoPoint((int)41.940542E6, (int)-73.363447E6);
var pt = mapView.Projection.ToPixels(gp, null);
float distance = mapView.Projection.MetersToEquatorPixels(20000);
canvas.DrawRect(pt.X, pt.Y, pt.X + distance, pt.Y + distance, paint);
}
public override void Draw(Android.Graphics.Canvas canvas)
{
base.Draw(canvas);
var rect = new RectF(0, 0, 300, 300);
switch (TheShape)
{
case Shape.Circle:
canvas.DrawOval(rect, new Paint()
{
Color = Color.Aqua
});
break;
case Shape.Square:
canvas.DrawRect(rect, new Paint()
{
Color = Color.Red
});
break;
case Shape.Triangle:
var path = new Path();
path.MoveTo(rect.CenterX(), 0);
path.LineTo(0, rect.Height());
path.LineTo(rect.Width(), rect.Height());
path.Close();
var paint = new Paint()
{
Color = Color.Magenta
};
paint.SetStyle(Paint.Style.Fill);
canvas.DrawPath(path, paint);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
String rdText = this.Text.ToString();
Paint textPaint = new Paint();
textPaint.AntiAlias = true;
textPaint.TextSize = this.TextSize;
textPaint.TextAlign = Android.Graphics.Paint.Align.Center;
float canvasWidth = canvas.Width;
float textWidth = textPaint.MeasureText(rdText);
if (Checked)
{
this.SetBackgroundResource(Resource.Drawable.RoundedShape);
int[] colors = new int[] { this.Context.Resources.GetColor(Resource.Color.radioUnselectTop), this.Context.Resources.GetColor(Resource.Color.radioSelectTop) };
GradientDrawable grad = new GradientDrawable(GradientDrawable.Orientation.TopBottom, colors);
grad.SetBounds(0, 0, this.Width, this.Height);
grad.SetCornerRadius(7f);
this.SetBackgroundDrawable(grad);
}
else
{
this.SetBackgroundResource(Resource.Drawable.RoundedShape);
int[] colors = new int[] { this.Context.Resources.GetColor(Resource.Color.radioUnselectTop), this.Context.Resources.GetColor(Resource.Color.radioUnselectBottom) };
GradientDrawable grad = new GradientDrawable(GradientDrawable.Orientation.TopBottom, colors);
grad.SetBounds(0, 0, this.Width, this.Height);
grad.SetCornerRadius(7f);
this.SetBackgroundDrawable(grad);
}
Paint paint = new Paint();
paint.Color = Color.Transparent;
paint.SetStyle(Android.Graphics.Paint.Style.Stroke);
Rect rect = new Rect(0, 0, this.Width, this.Height);
canvas.DrawRect(rect, paint);
base.OnDraw(canvas);
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
var rect = new RectF(0, 0, 300, 300);
switch (Shape)
{
case Shape.Circle:
canvas.DrawOval(rect, new Paint()
{
Color = Color.CornflowerBlue
});
break;
case Shape.Square:
canvas.DrawRect(rect, new Paint()
{
Color = Color.Crimson
});
break;
case Shape.Triangle:
var path = new Path();
path.MoveTo(rect.CenterX(), rect.Top);
path.LineTo(rect.Left, rect.Bottom);
path.LineTo(rect.Right, rect.Bottom);
path.Close();
var paint = new Paint()
{
Color = Color.Crimson
};
paint.Color = Color.Gold;
paint.SetStyle(Paint.Style.Fill);
canvas.DrawPath(path, paint);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
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();
}
}
public Bitmap Transform(Bitmap source)
{
Bitmap result = Bitmap.CreateBitmap(source.Width, source.Height, source.GetConfig());
Bitmap noise;
try
{
noise = picasso.Load(Resource.Drawable.noise).Get();
}
catch (Exception)
{
throw new Exception("Failed to apply transformation! Missing resource.");
}
BitmapShader shader = new BitmapShader(noise, Shader.TileMode.Repeat, Shader.TileMode.Repeat);
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.SetSaturation(0);
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(colorMatrix);
Paint paint = new Paint(PaintFlags.AntiAlias);
paint.SetColorFilter(filter);
Canvas canvas = new Canvas(result);
canvas.DrawBitmap(source, 0, 0, paint);
paint.SetColorFilter(null);
paint.SetShader(shader);
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.Multiply));
canvas.DrawRect(0, 0, canvas.Width, canvas.Height, paint);
source.Recycle();
noise.Recycle();
return result;
}
/// <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();
}
protected override void OnDraw(Canvas canvas)
{
int height = Height;
int tabCount = ChildCount;
int dividerHeightPx = (int)(Math.Min(Math.Max(0f, mDividerHeight), 1f) * height);
SlidingTabScrollView1.TabColorizer tabColorizer = mCustomTabColorizer != null ? mCustomTabColorizer : mDefaultTabColorizer;
//Thick colored underline below the current selection
if (tabCount > 0)
{
View selectedTitle = GetChildAt(mSelectedPosition);
int left = selectedTitle.Left;
int right = selectedTitle.Right;
int color = tabColorizer.GetIndicatorColor(mSelectedPosition);
if (mSelectionOffset > 0f && mSelectedPosition < (tabCount - 1))
{
int nextColor = tabColorizer.GetIndicatorColor(mSelectedPosition + 1);
if (color != nextColor)
{
color = blendColor(nextColor, color, mSelectionOffset);
}
View nextTitle = GetChildAt(mSelectedPosition + 1);
left = (int)(mSelectionOffset * nextTitle.Left + (1.0f - mSelectionOffset) * left);
right = (int)(mSelectionOffset * nextTitle.Right + (1.0f - mSelectionOffset) * right);
}
mSelectedIndicatorPaint.Color = GetColorFromInteger(color);
canvas.DrawRect(left, height - mSelectedIndicatorThickness, right, height, mSelectedIndicatorPaint);
//Creat vertical dividers between tabs
int separatorTop = (height - dividerHeightPx) / 2;
for (int i = 0; i < ChildCount; i++)
{
View child = GetChildAt(i);
mDividerPaint.Color = GetColorFromInteger(tabColorizer.GetDividerColor(i));
canvas.DrawLine(child.Right, separatorTop, child.Right, separatorTop + dividerHeightPx, mDividerPaint);
}
canvas.DrawRect(0, height - mBottomBorderThickness, Width, height, mBottomBorderPaint);
}
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
base.OnDraw(canvas);
try
{
// 3000 -|
// |
// 2000 -|
// |
// 0 ---------------------------
// Tu We Th Fr Sa Su Mo Avg
// # Breakf # Lunch # Dinner # Snack
/*
* string[] yaxis = { "3.000", "2.250", "1.500", "750", "0" };
* string[] xaxis = { "Tue", "Wed", "Thu", "Fri", "Sat", "Sun", "Today", "Avg" };
* string[] legend = { "Breakfast", "Lunch", "Dinner", Property };//"Snack" };
* Single[][] values = new Single[4][];
* values [0] = new Single[]{ 0.1F, 0.13F, 0.2F, 0.03F, 0.12F, 0.13F, 0.12F, 0.03F };
* values [1] = new Single[]{ .3F, .2F, .3F, .2F, .3F, .2F, .3F, .2F };
* values [2] = new Single[]{ .2F, .3F, .2F, .3F, .2F, .3F, .2F, .3F };
* values [3] = new Single[]{ .3F, .2F, .3F, .2F, .3F, .2F, .3F, .2F };
*/
string[] yaxis;
string[] xaxis = new string[8];
string[] legend;
Single[][] values;
Single goalBar;// = 0.7F;
// calculate data
Single goal = UserSettings.Current.GetGoal(property);
Amount Goal;
if (Single.IsNaN(goal) || goal == 0)
{
Goal = Amount.Zero;
}
else
{
Goal = Amount.FromProperty(goal, property);
}
Amount Max = Goal;
HashSet <Period> UsedPeriods = new HashSet <Period>();
int firstdate = -1;
// query values
for (int i = 0; i < 7; i++)
{
DateTime date = DateTime.Now.Date.AddDays(-6 + i);
int j = 0;
Amount amount;
Amount total = Amount.Zero;
foreach (Period p in PeriodList.All)
{
amount = Cache.GetPeriodPropertyValue(date, p, property);
total += amount;
if (!amount.IsZero && !UsedPeriods.Contains(p))
{
UsedPeriods.Add(p);
}
j++;
}
if (!total.IsZero && firstdate == -1)
{
firstdate = i;
}
if (i == 6)
{
xaxis[i] = AppResources.Today;
}
else if (i >= firstdate)
{
xaxis[i] = date.ToString("ddd");
}
else
{
xaxis[i] = "";
}
if (Max < total)
{
Max = total;
}
}
xaxis[7] = "";
// determine legend periods
List <Period> DisplayPeriods = new List <Period>(); // in order
foreach (Period p in PeriodList.All)
{
if (UsedPeriods.Contains(p))
{
DisplayPeriods.Add(p);
}
}
goalBar = Top(Goal, Max);
yaxis = new string[] {
Max.ValueString(),
(Max * .75).ValueString(),
(Max * .5).ValueString(),
(Max * .25).ValueString(),
"0"
};
legend = new string[DisplayPeriods.Count];
values = new float[DisplayPeriods.Count][];
for (int j = 0; j < DisplayPeriods.Count; j++)
{
Single sum = 0;
legend[j] = Strings.FromEnum(DisplayPeriods[j]);
values[j] = new float[8];
for (int i = 0; i < 7; i++)
{
DateTime date = DateTime.Now.Date.AddDays(-6 + i);
Amount amount = Cache.GetPeriodPropertyValue(date, DisplayPeriods[j], property);
values[j][i] = Top(amount, Max);
sum += values[j][i];
}
values[j][7] = (sum / (7 - firstdate));
}
/*
* Color[] colors = {
* Color.Rgb (200, 150, 0),
* Color.Rgb (239, 179, 0),
* Color.Rgb (255, 202, 105),
* Color.Rgb (255, 221, 173)
* };
*/
Color[] colors; // = { Resources.GetColor(Resource.Color.bar_color), Resources.GetColor(Resource.Color.baralternate_color) };
int dcnt = DisplayPeriods.Count;
colors = new Color[dcnt];
for (float i = 0; i < dcnt; i++)
{
Color refcolor = this.property.Color;// Resources.GetColor (Resource.Color.baralternate_color);
colors[(int)i] = new Color(MakeColor(refcolor.R, i / dcnt), MakeColor(refcolor.G, i / dcnt), MakeColor(refcolor.B, i / dcnt));
}
// start drawing
Paint paint = new Paint();
paint.Color = Color.Black;
paint.TextSize = Resources.GetDimensionPixelSize(Resource.Dimension.graphtextsize);
Paint faintpaint = new Paint();
faintpaint.Color = Color.Rgb(230, 230, 230); // Color.LightGray;
int middlemargin = Resources.GetDimensionPixelSize(Resource.Dimension.graphpadding); //10; // margin inbetween drawing regions only
Rect ylargest;
Rect xlargest;
Rect llargest;
Rect[] ybounds = GetTextBounds(yaxis, paint, out ylargest);
Rect[] xbounds = GetTextBounds(xaxis, paint, out xlargest);
Rect[] lbounds = GetTextBounds(legend, paint, out llargest);
// if labels are rotated 45 degrees; height = sqrt((label width + labelhieght)^2/2)
//int xaxisheight = Math.Sqrt (((xlargest.Width + xlargest.Height) ^ 2) / 2);
int xaxisheight = xlargest.Height();
Rect bounds = canvas.ClipBounds;
Rect legendrect = new Rect(ylargest.Width() + middlemargin, bounds.Height() - llargest.Height(), bounds.Width() - middlemargin, bounds.Height() - middlemargin);
Rect plotrect = new Rect(ylargest.Width() + middlemargin, ylargest.Height(), bounds.Width(), legendrect.Top - xaxisheight - (int)(middlemargin * 1.5) - ylargest.Height() / 2);
Rect yaxisrect = new Rect(0, 0, ylargest.Width(), plotrect.Height() + llargest.Height());
Rect xaxisrect = new Rect(plotrect.Left, plotrect.Bottom + middlemargin, plotrect.Right, legendrect.Top - (int)(middlemargin * 1.5));
// draw avg background
canvas.DrawRect(plotrect.Left + plotrect.Width() * (xaxis.Length - 1) / xaxis.Length, plotrect.Top, plotrect.Right, plotrect.Bottom, faintpaint);
// canvas.DrawRect (legendrect, faintpaint);
// canvas.DrawRect (xaxisrect, faintpaint);
// y axis
for (int i = 0; i < yaxis.Length; i++)
{
// draw y axis text
Single y = plotrect.Top + plotrect.Height() * i / (yaxis.Length - 1);
canvas.DrawText(yaxis[i], yaxisrect.Right - ybounds[i].Width(), y + ybounds[i].Height() / 2, paint);
// draw notch
canvas.DrawLine(yaxisrect.Right + middlemargin / 2, y, plotrect.Left, y, paint);
// draw horizontal line
canvas.DrawLine(plotrect.Left, y, plotrect.Right, y, (i == yaxis.Length - 1) ? paint : faintpaint);
}
canvas.DrawLine(plotrect.Left, plotrect.Top, plotrect.Left, plotrect.Bottom + middlemargin / 2, paint);
// x axis
for (int i = 0; i < xaxis.Length; i++)
{
// draw x axis text
Single x = xaxisrect.Left + plotrect.Width() * (i + 0.5F) / xaxis.Length;
canvas.DrawText(xaxis[i], x - xbounds[i].Width() / 2, xaxisrect.Bottom, paint);
// draw notch
x = xaxisrect.Right - plotrect.Width() * i / xaxis.Length - 1;
canvas.DrawLine(x, plotrect.Bottom, x, plotrect.Bottom + middlemargin / 2, paint);
}
// legend
int cubesize = middlemargin;
int legendw = (cubesize + middlemargin * 2) * legend.Length;
for (int i = 0; i < legend.Length; i++)
{
legendw += lbounds[i].Right;
}
legendrect.Left += (legendrect.Width() - legendw) / 2;
Paint colorPaint = new Paint();
int dx = 0;
for (int i = 0; i < legend.Length; i++)
{
// cube
colorPaint.Color = colors[i % colors.Length];
Single x = legendrect.Left + dx; // legendrect.Width () * i / legend.Length;
Single y = legendrect.Top + legendrect.Height() / 2;
canvas.DrawRect(x, y - (int)(cubesize / 2.5), x + cubesize, y + (int)(cubesize / 1.5), colorPaint);
// legend text
canvas.DrawText(legend[i], x + cubesize + middlemargin / 2, y + (int)(cubesize / 1.5), paint);
dx += cubesize + middlemargin * 2 + lbounds[i].Right;
}
dateOfValues.Clear();
int barwidth = middlemargin * 2;
Single[] bottoms = new Single[xaxis.Length];
for (int i = 0; i < values.Length; i++)
{
colorPaint.Color = colors[i % colors.Length];
for (int j = 0; j < values[i].Length; j++)
{
DateTime date = DateTime.Now.Date.AddDays(-6 + j);
if (i == 0)
{
bottoms[j] = plotrect.Bottom;
}
Single x = plotrect.Left + plotrect.Width() * (j + 0.5F) / xaxis.Length;
Single h = plotrect.Height() * values[i][j];
var dLeft = x - barwidth / 2;
var dTop = bottoms[j] - h;
var dRight = x + barwidth / 2;
var dBottom = bottoms[j];
if (dateOfValues.Count < 7)
{
dateOfValues.Add(new KeyValuePair <DateTime, float[]>(date, new float[2] {
dLeft, dRight
}));
}
canvas.DrawRect(dLeft, dTop, dRight, dBottom, colorPaint);
bottoms[j] -= h;
}
}
foreach (var item in dateOfValues)
{
System.Diagnostics.Debug.WriteLine(item.Key.Day + " " + item.Value[0] + "-" + item.Value[1]);
}
// draw goal
Paint dashespaint = new Paint();
dashespaint.Color = Color.DarkGray;
dashespaint.SetStyle(Paint.Style.Stroke);
dashespaint.SetPathEffect(new DashPathEffect(new float[] { 10, 5 }, 0));
//canvas.DrawLine (plotrect.Left, plotrect.Bottom - plotrect.Height () * goalBar, plotrect.Right, plotrect.Bottom - plotrect.Height () * goalBar, dashespaint);
// use a path to draw dashes
Path baseline = new Path();
baseline.MoveTo(plotrect.Left, plotrect.Bottom - plotrect.Height() * goalBar);
baseline.LineTo(plotrect.Right, plotrect.Bottom - plotrect.Height() * goalBar);
canvas.DrawPath(baseline, dashespaint);
}
catch (Exception ex)
{
LittleWatson.ReportException(ex);
}
}
public void DoDraw(Android.Graphics.Canvas canvas)
{
canvas.DrawRect(0f, _offset, 100, _offset + 100, rectPaint);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
if(null == _viewPager) return;
var count = _viewPager.Adapter.Count;
if (count == 0) return;
if(_currentPage >= count)
{
CurrentItem = count - 1;
return;
}
var pageWidth = (Width - PaddingLeft - PaddingRight) / (1f * count);
var left = PaddingLeft + pageWidth * (_currentPage + _positionOffset);
var right = left + pageWidth;
var top = PaddingTop;
var bottom = Height - PaddingBottom;
canvas.DrawRect(left, top, right, bottom, _paint);
}
protected override bool DrawChild(Canvas canvas, View child, long drawingTime)
{
var lp = (LayoutParams) child.LayoutParameters;
var save = canvas.Save(SaveFlags.Clip);
var drawScrim = false;
if (_canSlide && !lp.Slideable && _slideableView != null)
{
if (!OverlayContent)
{
canvas.GetClipBounds(_tmpRect);
if (_isSlidingUp)
_tmpRect.Bottom = Math.Min(_tmpRect.Bottom, _slideableView.Top);
else
_tmpRect.Top = Math.Max(_tmpRect.Top, _slideableView.Bottom);
canvas.ClipRect(_tmpRect);
}
if (_slideOffset < 1)
drawScrim = true;
}
var result = base.DrawChild(canvas, child, drawingTime);
canvas.RestoreToCount(save);
if (drawScrim)
{
var baseAlpha = (_coveredFadeColor.ToArgb() & 0xff000000) >> 24;
var imag = (int) (baseAlpha * (1 - _slideOffset));
var color = imag << 24 | (_coveredFadeColor.ToArgb() & 0xffffff);
_coveredFadePaint.Color = new Color(color);
canvas.DrawRect(_tmpRect, _coveredFadePaint);
}
return result;
}
private void drawResultPoints(Bitmap barcode, ZXing.Result rawResult)
{
var points = rawResult.ResultPoints;
if (points != null && points.Length > 0)
{
var canvas = new Canvas(barcode);
Paint paint = new Paint();
paint.Color = Android.Graphics.Color.White;
paint.StrokeWidth = 3.0f;
paint.SetStyle(Paint.Style.Stroke);
var border = new RectF(2, 2, barcode.Width - 2, barcode.Height - 2);
canvas.DrawRect(border, paint);
paint.Color = Android.Graphics.Color.Purple;
if (points.Length == 2)
{
paint.StrokeWidth = 4.0f;
drawLine(canvas, paint, points[0], points[1]);
}
else if (points.Length == 4 &&
(rawResult.BarcodeFormat == BarcodeFormat.UPC_A ||
rawResult.BarcodeFormat == BarcodeFormat.EAN_13))
{
// Hacky special case -- draw two lines, for the barcode and metadata
drawLine(canvas, paint, points[0], points[1]);
drawLine(canvas, paint, points[2], points[3]);
}
else
{
paint.StrokeWidth = 10.0f;
foreach (ResultPoint point in points)
canvas.DrawPoint(point.X, point.Y, paint);
}
}
}
//--------------------------------------------------------------
// EVENT METHODS
//--------------------------------------------------------------
// Draw every proposed piece in the accorded space
// each piece have the space for 5 blocks to draw itself on the width
// On the Height, each piece have 4 blocks to draw itself and there is one pixel to separate each one of them (because there is less space on the height)
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
// If it is the first draw, calculate the size of the block according to the size of the canvas
if(_blockSize == 0)
{
// Calculate the size of the block, Space for each piece set to 5 blocks (except for the last one)
_blockSize = Math.Min((Width - (_nbPieceByLine - 1) * StrokeWidthBorder)/(_nbPieceByLine*5),
(Height - (Constants.NbLinePropPiece - 1) * StrokeWidthBorder)/(Constants.NbLinePropPiece*5));
// Create the blocks images with the right size
foreach(TetrisColor color in Enum.GetValues(typeof(TetrisColor)))
{
Bitmap image = BlockView.CreateImage(_blockSize, color);
if(image != null)
{
_blockImages.Add(color, image);
}
}
_offset = new Point((Width - _nbPieceByLine*5*_blockSize - (_nbPieceByLine - 1) * StrokeWidthBorder) / 2,
(Height - Constants.NbLinePropPiece*5*_blockSize - (Constants.NbLinePropPiece - 1) * StrokeWidthBorder) / 2);
}
// Draw the pieces and highlight the selected one
for(int i = 0; i < Constants.NbProposedPiece; i++)
{
if(_proposedPieces[i] != null)
{
// Show the selected piece
if(i == _selectedPiece)
{
int left = ((i % _nbPieceByLine) == 0) ? 0 : _offset.X;
int right = (((i + 1) % _nbPieceByLine) == 0) ? Width : _offset.X;
int top = ((i / _nbPieceByLine) == 0) ? 0 : _offset.Y;
int bottom = (i >= (_nbPieceByLine * (Constants.NbLinePropPiece - 1))) ? Height : _offset.Y;
RectF rect = new RectF((i % _nbPieceByLine) * _blockSize * 5 + (i % _nbPieceByLine) * StrokeWidthBorder + left,
(_blockSize * 5) * (i / _nbPieceByLine) + (i / _nbPieceByLine) * StrokeWidthBorder + top,
((i % _nbPieceByLine) + 1) * _blockSize * 5 + (i % _nbPieceByLine) * StrokeWidthBorder + right,
(_blockSize * 5) * (1 + i / _nbPieceByLine) + (i / _nbPieceByLine) * StrokeWidthBorder + bottom);
Paint paint = new Paint {AntiAlias = true, Color = Utils.getAndroidReallyLightColor(TetrisColor.Red)};
//canvas.DrawRoundRect(rect, Constants.RadiusHighlight, Constants.RadiusHighlight, paint);
canvas.DrawRect(rect, paint);
paint.Dispose();
}
float xSize = 0;
float ySize = 0;
_proposedPieces[i].GetDrawnSize(_blockSize, ref xSize, ref ySize);
// Draw each piece
_proposedPieces[i].Draw(canvas, _blockSize, _blockImages,
(i % _nbPieceByLine) * _blockSize * 5 + (_blockSize * 5 - xSize) / 2 + _offset.X + (i % _nbPieceByLine) * StrokeWidthBorder,
Height - ((i / _nbPieceByLine + 1) * _blockSize * 5 - (_blockSize * 5 - ySize) / 2 + _offset.Y + (i / _nbPieceByLine) * StrokeWidthBorder),
Height);
}
}
// Grid
for(int i = 1; i < _nbPieceByLine; i++)
{
// Vertical
int x = _offset.X + i*5*_blockSize + (i - 1) * StrokeWidthBorder;
canvas.DrawRect(x, 0, x + StrokeWidthBorder, Height, GridPaint);
}
for(int i = 1; i < Constants.NbLinePropPiece; i++)
{
// Horizontal
int y = _offset.Y + i*5*_blockSize + (i - 1) * StrokeWidthBorder;
canvas.DrawRect(0, y, Width, y + StrokeWidthBorder, GridPaint);
}
}
private void DoDraw(Canvas canvas)
{
// Increment / reset
size += delta;
if (size > 250)
{
delta = -1;
}
else if (size < 30)
{
delta = 1;
}
// Set background color
canvas.DrawColor(Color.BLUE);
var paint = new Paint();
paint.TextAlign =(Paint.Align.CENTER);
// Draw some lines
canvas.DrawLine(mX, mY, mY + 33, mX + 100, paint);
paint.Color =(Color.RED);
paint.StrokeWidth = (10);
canvas.DrawLine(87, 0, 75, 100, paint);
paint.Color =(Color.GREEN);
paint.StrokeWidth = (5);
for (int y = 30, alpha = 128; alpha > 2; alpha >>= 1, y += 10)
{
paint.Alpha = (alpha);
canvas.DrawLine(mY, y, mY + 100, y, paint);
}
// Draw a red rectangle
paint.Color =(Color.RED);
var rect = new Rect();
rect.Set(size + 120, 130, size + 156, 156);
canvas.DrawRect(rect, paint);
// Draw a circle
paint.Color =(Color.ParseColor("#ffd700"));
canvas.DrawCircle(size * 2, 220, 30, paint); //faster circle
// Draw red'ish rectangle
paint.Color =(Color.Rgb(128, 20, 20));
canvas.DrawRect(size, 67, 68, 45, paint);
// Draw green circle
paint.Color =(Color.GREEN);
canvas.DrawCircle(size, 140.0f - size / 3, 45.0f, paint); //move circle across screen
paint.Color =(Color.RED);
canvas.DrawText("Dot42", size, 140.0f - size / 3, paint);
// Draw magenta circle
paint.Color =(Color.MAGENTA);
canvas.DrawCircle(mX, mY, size / 4.0f, paint); //move circle down screen
paint.Color =(Color.GREEN);
canvas.DrawText("is", mX, mY, paint);
// Draw yellow rectangle
paint.Alpha = (64);
paint.Color =(Color.YELLOW);
canvas.DrawRect(size, size, size + 45, size + 45, paint);
// Draw text on rectangle
paint.Alpha = (255);
paint.Color =(Color.DKGRAY);
canvas.DrawText("fun!", size + 45 / 2, size + 45 / 2, paint);
}
protected override void OnDraw(Canvas canvas)
{
try {
var radius = Math.Min(Width, Height) / 2;
using (var paint1 = new Paint())
using (var paint2 = new Paint()) {
paint1.Color = Android.Graphics.Color.Transparent;
canvas.DrawRect(0, 0, this.Width, this.Height, paint1);
paint2.Color = this.Element.Color.ToAndroid();
canvas.DrawCircle(Width / 2, Height / 2, radius, paint2);
}
} catch {
//Debug.WriteLine("Unable to create circle image: " + ex);
}
base.OnDraw(canvas);
}
public static Bitmap GetImage(int width, int height, string intensiteit)
{
intensity = intensiteit;
sizeBlocks = width / 7;
int amountImages = 56;
List<Bitmap> bitmaps = DrawImages.CreateBitmapBlocks (amountImages,false);
Paint p = new Paint ();
p.StrokeWidth = 0.5f;
p.SetStyle (Paint.Style.Fill);
p.Color = Color.White;
Bitmap b = Bitmap.CreateBitmap (width, height, Bitmap.Config.Argb8888);
Canvas c = new Canvas (b);
//Make background White
c.DrawRect (new Rect (0, 0, width, height), p);
//Draw Blocks
for(int i=0;i<amountImages;i++)
{
c.DrawBitmap (bitmaps[i], (i % 7) * (width / 7), (i % 8) * (height / 8), p);
}
p.Dispose ();
c.Dispose ();
return b;
}
public override ImageReference GetBackground (int row, int col)
{
var pt = new Point (row, col);
ImageReference imgRef = null;
if(mBackgrounds.ContainsKey(pt))
imgRef = mBackgrounds [pt];
if (imgRef == null) {
var bm = Bitmap.CreateBitmap (200, 200, Bitmap.Config.Argb8888);
var c = new Canvas (bm);
var p = new Paint ();
c.DrawRect (0, 0, 200, 200, p);
p.AntiAlias = true;
p.SetTypeface (Typeface.Default);
p.TextSize = 64;
p.Color = Color.LightGray;
c.DrawText (col + "-" + row, 20, 100, p);
imgRef = ImageReference.ForBitmap (bm);
mBackgrounds.Add (pt, imgRef);
}
return imgRef;
}