public static void SetColorFilter(this ADrawable drawable, Graphics.Color color, FilterMode mode) { if (drawable == null) { return; } drawable.SetColorFilter(color.ToNative(), mode); }
public static void UpdateTextColor(this TextView textView, ITextStyle textStyle, Graphics.Color defaultColor) { var textColor = textStyle.TextColor?.ToNative() ?? defaultColor?.ToNative(); if (textColor != null) { textView.SetTextColor(textColor.Value); } }
public static void UpdateThumbColor(this UISwitch uiSwitch, ISwitch view, UIColor?defaultThumbColor) { if (view == null) { return; } Graphics.Color thumbColor = view.ThumbColor; uiSwitch.ThumbTintColor = thumbColor?.ToNative() ?? defaultThumbColor; }
public static void UpdatePlaceholderColor(this EditText editText, Graphics.Color placeholderTextColor, ColorStateList?defaultColor) { if (placeholderTextColor == null) { editText.SetHintTextColor(defaultColor); } else { var androidColor = placeholderTextColor.ToNative(); if (!editText.HintTextColors.IsOneColor(ColorStates.EditText, androidColor)) { editText.SetHintTextColor(ColorStateListExtensions.CreateEditText(androidColor)); } } }
public static void SetColorFilter(this ADrawable drawable, Graphics.Color color, FilterMode mode, AColorFilter?defaultColorFilter) { if (drawable == null) { return; } if (color == null) { SetColorFilter(drawable, defaultColorFilter); } else { drawable.SetColorFilter(color.ToNative(), mode); } }
public static void UpdateTextColor(this EditText editText, Graphics.Color textColor, ColorStateList?defaultColor) { if (textColor == null) { if (defaultColor != null) { editText.SetTextColor(defaultColor); } } else { var androidColor = textColor.ToNative(); if (!editText.TextColors.IsOneColor(ColorStates.EditText, androidColor)) { editText.SetTextColor(ColorStateListExtensions.CreateEditText(androidColor)); } } }
void DrawShadow(Canvas canvas) { if (_shadowCanvas == null) { _shadowCanvas = new Canvas(); } if (_shadowPaint == null) { _shadowPaint = new Android.Graphics.Paint { AntiAlias = true, Dither = true, FilterBitmap = true } } ; Graphics.Color solidColor = null; // If need to redraw shadow if (_invalidateShadow) { // If bounds is zero if (_viewBounds.Width() != 0 && _viewBounds.Height() != 0) { var bitmapHeight = _viewBounds.Height() + MaximumRadius; var bitmapWidth = _viewBounds.Width() + MaximumRadius; // Reset bitmap to bounds _shadowBitmap = Bitmap.CreateBitmap( bitmapWidth, bitmapHeight, Bitmap.Config.Argb8888 ); // Reset Canvas _shadowCanvas.SetBitmap(_shadowBitmap); _invalidateShadow = false; // Create the local copy of all content to draw bitmap as a // bottom layer of natural canvas. base.DispatchDraw(_shadowCanvas); // Get the alpha bounds of bitmap Bitmap extractAlpha = _shadowBitmap.ExtractAlpha(); // Clear past content content to draw shadow _shadowCanvas.DrawColor(Android.Graphics.Color.Black, PorterDuff.Mode.Clear); var shadowOpacity = (float)Shadow.Opacity; if (Shadow.Paint is LinearGradientPaint linearGradientPaint) { var linearGradientShaderFactory = PaintExtensions.GetLinearGradientShaderFactory(linearGradientPaint); _shadowPaint.SetShader(linearGradientShaderFactory.Resize(bitmapWidth, bitmapHeight)); } if (Shadow.Paint is RadialGradientPaint radialGradientPaint) { var radialGradientShaderFactory = PaintExtensions.GetRadialGradientShaderFactory(radialGradientPaint); _shadowPaint.SetShader(radialGradientShaderFactory.Resize(bitmapWidth, bitmapHeight)); } if (Shadow.Paint is SolidPaint solidPaint) { solidColor = solidPaint.ToColor(); _shadowPaint.Color = solidColor.WithAlpha(shadowOpacity).ToNative(); } // Apply the shadow radius var radius = Shadow.Radius; if (radius <= 0) { radius = 0.01f; } if (radius > 100) { radius = MaximumRadius; } _shadowPaint.SetMaskFilter(new BlurMaskFilter(radius, BlurMaskFilter.Blur.Normal)); float shadowOffsetX = (float)Shadow.Offset.X; float shadowOffsetY = (float)Shadow.Offset.Y; if (Clip == null) { _shadowCanvas.DrawBitmap(extractAlpha, shadowOffsetX, shadowOffsetY, _shadowPaint); } else { var bounds = new RectangleF(0, 0, canvas.Width, canvas.Height); var path = Clip.PathForBounds(bounds)?.AsAndroidPath(); path.Offset(shadowOffsetX, shadowOffsetY); _shadowCanvas.DrawPath(path, _shadowPaint); } // Recycle and clear extracted alpha extractAlpha.Recycle(); } else { // Create placeholder bitmap when size is zero and wait until new size coming up _shadowBitmap = Bitmap.CreateBitmap(1, 1, Bitmap.Config.Rgb565 !); } } // Reset alpha to draw child with full alpha if (solidColor != null) { _shadowPaint.Color = solidColor.ToNative(); } // Draw shadow bitmap if (_shadowCanvas != null && _shadowBitmap != null && !_shadowBitmap.IsRecycled) { canvas.DrawBitmap(_shadowBitmap, 0.0F, 0.0F, _shadowPaint); } } void ClearShadowResources() { _shadowCanvas?.Dispose(); _shadowPaint?.Dispose(); _shadowBitmap?.Dispose(); _shadowCanvas = null; _shadowPaint = null; _shadowBitmap = null; } }
public static WBrush ToBrush(this Graphics.Color color) => color.ToNative();