本文整理汇总了C#中SkiaSharp.SKPaint类的典型用法代码示例。如果您正苦于以下问题:C# SKPaint类的具体用法?C# SKPaint怎么用?C# SKPaint使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
SKPaint类属于SkiaSharp命名空间,在下文中一共展示了SKPaint类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。
示例1: RenderRaster
public static void RenderRaster(SKCanvas canvas, SKBitmap bitmap, SKRect rect, float opacity = 1f)
{
// Better for quality. Helps to compare to WPF
var color = new SKColor(255, 255, 255, (byte)(255 * opacity));
var paint = new SKPaint { Color = color, FilterQuality = SKFilterQuality.High };
canvas.DrawBitmap(bitmap, rect, paint);
// Better for performance:
canvas.DrawBitmap(bitmap, rect);
}
开发者ID:pauldendulk,项目名称:Mapsui,代码行数:10,代码来源:BitmapHelper.cs
示例2: Draw
public static void Draw(SKCanvas canvas, IViewport viewport, IStyle style, IGeometry geometry)
{
var lineString = ((LineString) geometry).Vertices;
float lineWidth = 1;
var lineColor = new Color();
var vectorStyle = style as VectorStyle;
if (vectorStyle != null)
{
lineWidth = (float) vectorStyle.Line.Width;
lineColor = vectorStyle.Line.Color;
}
var line = WorldToScreen(viewport, lineString);
var path = ToSkia(line);
using (var paint = new SKPaint())
{
paint.IsStroke = true;
paint.StrokeWidth = lineWidth;
paint.Color = lineColor.ToSkia();
paint.StrokeJoin = SKStrokeJoin.Round;
canvas.DrawPath(path, paint);
}
}
开发者ID:pauldendulk,项目名称:Mapsui,代码行数:28,代码来源:LineStringRenderer.cs
示例3: FormattedTextImpl
public FormattedTextImpl(string text, string fontFamilyName, double fontSize, FontStyle fontStyle,
TextAlignment textAlignment, FontWeight fontWeight, TextWrapping wrapping)
{
_text = text ?? string.Empty;
// Replace 0 characters with zero-width spaces (200B)
_text = _text.Replace((char)0, (char)0x200B);
var typeface = TypefaceCache.GetTypeface(fontFamilyName, fontStyle, fontWeight);
_paint = new SKPaint();
//currently Skia does not measure properly with Utf8 !!!
//Paint.TextEncoding = SKTextEncoding.Utf8;
_paint.TextEncoding = SKTextEncoding.Utf16;
_paint.IsStroke = false;
_paint.IsAntialias = true;
_paint.LcdRenderText = true;
_paint.SubpixelText = true;
_paint.Typeface = typeface;
_paint.TextSize = (float)fontSize;
_paint.TextAlign = textAlignment.ToSKTextAlign();
_wrapping = wrapping;
Rebuild();
}
开发者ID:jkoritzinsky,项目名称:Avalonia,代码行数:27,代码来源:FormattedTextImpl.cs
示例4: Draw
public static void Draw(SKCanvas canvas, IViewport viewport, IStyle style, IGeometry geometry)
{
var polygon = (Polygon)geometry;
float lineWidth = 1;
var lineColor = Color.Black; // default
var fillColor = Color.Gray; // default
var vectorStyle = style as VectorStyle;
if (vectorStyle != null)
{
lineWidth = (float) vectorStyle.Outline.Width;
lineColor = vectorStyle.Outline.Color;
fillColor = vectorStyle.Fill?.Color;
}
using (var path = ToSkia(viewport, polygon))
{
using (var paint = new SKPaint())
{
paint.IsAntialias = true;
paint.StrokeWidth = lineWidth;
paint.Style = SKPaintStyle.Fill;
paint.Color = fillColor.ToSkia();
canvas.DrawPath(path, paint);
paint.Style = SKPaintStyle.Stroke;
paint.Color = lineColor.ToSkia();
canvas.DrawPath(path, paint);
}
}
}
开发者ID:pauldendulk,项目名称:Mapsui,代码行数:33,代码来源:PolygonRenderer.cs
示例5: SkiaCanvasPainter
//-----------------------
public SkiaCanvasPainter(int w, int h)
{
_fill = new SKPaint();
_stroke = new SKPaint();
_stroke.IsStroke = true;
_width = w;
_height = h;
}
开发者ID:prepare,项目名称:HTML-Renderer,代码行数:10,代码来源:SkiaCanvasPainter.cs
示例6: DrawImage
public void DrawImage(IBitmap source, double opacity, Rect sourceRect, Rect destRect)
{
var impl = (BitmapImpl)source.PlatformImpl;
var s = sourceRect.ToSKRect();
var d = destRect.ToSKRect();
using (var paint = new SKPaint()
{ Color = new SKColor(255, 255, 255, (byte)(255 * opacity)) })
{
Canvas.DrawBitmap(impl.Bitmap, s, d, paint);
}
}
开发者ID:CarlSosaDev,项目名称:Avalonia,代码行数:11,代码来源:DrawingContextImpl.cs
示例7: CreateBackgroundImage
public SKImage CreateBackgroundImage ()
{
SKPaint paint = null;
SKPath path = null;
try
{
var height = (int)Bounds.Height;
var width = (int)Bounds.Width;
using (var surface = SKSurface.Create (width, height, SKColorType.N_32, SKAlphaType.Premul))
{
var canvas = surface.Canvas;
//canvas.Clear (SKColors.Beige);
paint = new SKPaint
{
Color = SKColors.DarkBlue,
IsStroke = true,
StrokeWidth = 1,
StrokeCap = SKStrokeCap.Round,
IsAntialias = true
};
//path = new SKPath ();
//path.MoveTo (0f, 0f);
//path.LineTo (width, height);
//path.Close ();
//canvas.DrawPath (path, paint);
//DrawArc (canvas, paint, 0, 90);
var start = -90;
var end = 0;
//DrawCircle (canvas, paint, width / 2, height / 2, width / 2 - 4);
DrawArcFromTo (canvas, paint, width / 2, height / 2, width / 2 - 4, start, end);
DrawArcFromTo (canvas, paint, width / 2, height / 2, (int)((width / 2 - 4) * 0.8), start, end);
return surface.Snapshot ();
}
}
finally
{
if (paint != null)
paint.Dispose ();
if (path != null)
path.Dispose ();
}
}
开发者ID:yonglehou,项目名称:Orleans.MobileDashboard,代码行数:54,代码来源:HealthIndicatorView.xaml.cs
示例8: CreateLabelAsBitmap
private static SKBitmap CreateLabelAsBitmap(LabelStyle style, string text, SKPaint paint)
{
var rect = new SKRect();
paint.MeasureText(text, ref rect);
var backRect = new SKRect(0, 0, rect.Width + 6, rect.Height + 6);
var bitmap = new SKBitmap((int)backRect.Width, (int)backRect.Height);
using (var target = new SKCanvas(bitmap))
{
target.Clear();
DrawBackground(style, backRect, target);
target.DrawText(text, -rect.Left + 3, -rect.Top +3, paint);
return bitmap;
}
}
开发者ID:pauldendulk,项目名称:Mapsui,代码行数:18,代码来源:LabelRenderer.cs
示例9: Draw
protected override void Draw(SKCanvas canvas, int width, int height)
{
float time = _frame / (LengthSec * Fps);
using (var paint = new SKPaint())
{
paint.Color = Foreground.ToSkia();
paint.StrokeWidth = (float)StrokeWidth;
paint.IsAntialias = true;
paint.IsStroke = true;
for (int a = 0; a < 3; ++a)
{
var matrix = SKMatrix.MakeRotation(2 * (float)Math.PI * time / 6 + 2 * (float)Math.PI * a / 3);
matrix.TransX = width / 2f;
matrix.TransY = height / 2f;
canvas.SetMatrix(matrix);
const int n = 12;
const int sp = 39;
for (int i = -n; i <= n; ++i)
{
float y = (float)(i * sp * Math.Pow(2, time));
float tt = (float)Math.Min(1, Math.Max(0, 1.09 * time - 0.00275 * Math.Abs(y) + 0.075));
float x;
if (i % 2 == 0)
x = width;
else
x = width * tt;
if (x > 0)
canvas.DrawLine(-x, y, x, y, paint);
}
}
}
++_frame;
if (_frame > LengthSec * Fps)
_frame = 0;
}
开发者ID:CriDos,项目名称:skiasharpwpfextensions,代码行数:44,代码来源:GridZoomControl.cs
示例10: CreateGraphicsFromNativeHdc
void CreateGraphicsFromNativeHdc(int width, int height)
{
skBitmap = new SKBitmap(width, height);
skCanvas = new SKCanvas(skBitmap);
//
stroke = new SKPaint();
stroke.IsStroke = true;
//
fill = new SKPaint();
fill.IsStroke = false;
//
textFill = new SKPaint();
textFill.IsAntialias = true;
//---------------------------------------
//---------------------------------------
this.CurrentFont = new RequestFont("tahoma", 14);
this.CurrentTextColor = Color.Black;
//---------------------------------------
}
开发者ID:prepare,项目名称:HTML-Renderer,代码行数:21,代码来源:1_MySkiaCanvas_Specific.cs
示例11: DrawPoints
public void DrawPoints(SKPointMode mode, SKPoint [] points, SKPaint paint)
{
if (paint == null)
throw new ArgumentNullException (nameof (paint));
if (points == null)
throw new ArgumentNullException (nameof (points));
SkiaApi.sk_canvas_draw_points (Handle, mode, (IntPtr)points.Length, points, paint.Handle);
}
开发者ID:Core2D,项目名称:SkiaSharp,代码行数:8,代码来源:SKCanvas.cs
示例12: ApplyTo
public IDisposable ApplyTo(SKPaint paint)
{
var state = new PaintState(paint, paint.Color, paint.Shader);
paint.Color = Paint.Color;
paint.Shader = Paint.Shader;
return state;
}
开发者ID:CarlSosaDev,项目名称:Avalonia,代码行数:9,代码来源:DrawingContextImpl.cs
示例13: PaintWrapper
public PaintWrapper(SKPaint paint)
{
Paint = paint;
_disposable1 = null;
}
开发者ID:CarlSosaDev,项目名称:Avalonia,代码行数:5,代码来源:DrawingContextImpl.cs
示例14: DrawText
public void DrawText(string text, SKPath path, float hOffset, float vOffset, SKPaint paint)
{
if (text == null)
throw new ArgumentNullException ("text");
if (paint == null)
throw new ArgumentNullException (nameof (paint));
if (paint == null)
throw new ArgumentNullException (nameof (paint));
var bytes = Util.GetEncodedText (text, paint.TextEncoding);
SkiaApi.sk_canvas_draw_text_on_path (Handle, bytes, bytes.Length, path.Handle, hOffset, vOffset, paint.Handle);
}
开发者ID:Core2D,项目名称:SkiaSharp,代码行数:12,代码来源:SKCanvas.cs
示例15: DrawLine
public void DrawLine(float x0, float y0, float x1, float y1, SKPaint paint)
{
if (paint == null)
throw new ArgumentNullException (nameof (paint));
SkiaApi.sk_canvas_draw_line (Handle, x0, y0, x1, y1, paint.Handle);
}
开发者ID:Core2D,项目名称:SkiaSharp,代码行数:6,代码来源:SKCanvas.cs
示例16: DrawOval
public void DrawOval(SKRect rect, SKPaint paint)
{
if (paint == null)
throw new ArgumentNullException (nameof (paint));
SkiaApi.sk_canvas_draw_oval (Handle, ref rect, paint.Handle);
}
开发者ID:Core2D,项目名称:SkiaSharp,代码行数:6,代码来源:SKCanvas.cs
示例17: SaveLayer
public int SaveLayer(SKPaint paint)
{
return SkiaApi.sk_canvas_save_layer (Handle, IntPtr.Zero, paint == null ? IntPtr.Zero : paint.Handle);
}
开发者ID:Core2D,项目名称:SkiaSharp,代码行数:4,代码来源:SKCanvas.cs
示例18: DrawPath
public void DrawPath(SKPath path, SKPaint paint)
{
if (paint == null)
throw new ArgumentNullException (nameof (paint));
if (path == null)
throw new ArgumentNullException (nameof (path));
SkiaApi.sk_canvas_draw_path (Handle, path.Handle, paint.Handle);
}
开发者ID:Core2D,项目名称:SkiaSharp,代码行数:8,代码来源:SKCanvas.cs
示例19: CreatePaint
internal PaintWrapper CreatePaint(IBrush brush, Size targetSize)
{
SKPaint paint = new SKPaint();
var rv = new PaintWrapper(paint);
paint.IsStroke = false;
// TODO: SkiaSharp does not contain alpha yet!
double opacity = brush.Opacity * _currentOpacity;
//paint.SetAlpha(paint.GetAlpha() * opacity);
paint.IsAntialias = true;
SKColor color = new SKColor(255, 255, 255, 255);
var solid = brush as ISolidColorBrush;
if (solid != null)
color = solid.Color.ToSKColor();
paint.Color = (new SKColor(color.Red, color.Green, color.Blue, (byte)(color.Alpha * opacity)));
if (solid != null)
{
return rv;
}
var gradient = brush as GradientBrush;
if (gradient != null)
{
var tileMode = gradient.SpreadMethod.ToSKShaderTileMode();
var stopColors = gradient.GradientStops.Select(s => s.Color.ToSKColor()).ToArray();
var stopOffsets = gradient.GradientStops.Select(s => (float)s.Offset).ToArray();
var linearGradient = brush as LinearGradientBrush;
if (linearGradient != null)
{
var start = linearGradient.StartPoint.ToPixels(targetSize).ToSKPoint();
var end = linearGradient.EndPoint.ToPixels(targetSize).ToSKPoint();
// would be nice to cache these shaders possibly?
var shader = SKShader.CreateLinearGradient(start, end, stopColors, stopOffsets, tileMode);
paint.Shader = shader;
shader.Dispose();
}
else
{
var radialGradient = brush as RadialGradientBrush;
if (radialGradient != null)
{
var center = radialGradient.Center.ToPixels(targetSize).ToSKPoint();
var radius = (float)radialGradient.Radius;
// TODO: There is no SetAlpha in SkiaSharp
//paint.setAlpha(128);
// would be nice to cache these shaders possibly?
var shader = SKShader.CreateRadialGradient(center, radius, stopColors, stopOffsets, tileMode);
paint.Shader = shader;
shader.Dispose();
}
}
return rv;
}
var tileBrush = brush as TileBrush;
if (tileBrush != null)
{
var helper = new TileBrushImplHelper(tileBrush, targetSize);
var bitmap = new BitmapImpl((int)helper.IntermediateSize.Width, (int)helper.IntermediateSize.Height);
rv.AddDisposable(bitmap);
using (var ctx = bitmap.CreateDrawingContext())
helper.DrawIntermediate(ctx);
SKMatrix translation = SKMatrix.MakeTranslation(-(float)helper.DestinationRect.X, -(float)helper.DestinationRect.Y);
SKShaderTileMode tileX =
tileBrush.TileMode == TileMode.None
? SKShaderTileMode.Clamp
: tileBrush.TileMode == TileMode.FlipX || tileBrush.TileMode == TileMode.FlipXY
? SKShaderTileMode.Mirror
: SKShaderTileMode.Repeat;
SKShaderTileMode tileY =
tileBrush.TileMode == TileMode.None
? SKShaderTileMode.Clamp
: tileBrush.TileMode == TileMode.FlipY || tileBrush.TileMode == TileMode.FlipXY
? SKShaderTileMode.Mirror
: SKShaderTileMode.Repeat;
paint.Shader = SKShader.CreateBitmap(bitmap.Bitmap, tileX, tileY, translation);
paint.Shader.Dispose();
}
return rv;
}
开发者ID:CarlSosaDev,项目名称:Avalonia,代码行数:91,代码来源:DrawingContextImpl.cs
示例20: DrawPicture
public void DrawPicture(SKPicture picture, SKPaint paint = null)
{
if (picture == null)
throw new ArgumentNullException ("picture");
SkiaApi.sk_canvas_draw_picture (Handle, picture.Handle, IntPtr.Zero, paint == null ? IntPtr.Zero : paint.Handle);
}
开发者ID:Core2D,项目名称:SkiaSharp,代码行数:6,代码来源:SKCanvas.cs
注:本文中的SkiaSharp.SKPaint类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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