private void GlCtrl_PaintSurface(object sender, SKPaintGLSurfaceEventArgs e)
{
var surface = e.Surface;
var canvas = surface.Canvas;
var surfaceWidth = e.BackendRenderTarget.Width;
var surfaceHeight = e.BackendRenderTarget.Height;
canvas.Clear(Color.White.ToSKColor());
canvas.Flush();
}
void OnPaintSurface(object sender, SKPaintGLSurfaceEventArgs skPaintSurfaceEventArgs)
{
TryInitializeViewport();
// if (!Viewport.Initialized) return;
// _viewport.SetSize(Width, Height);
skPaintSurfaceEventArgs.Surface.Canvas.Scale(_skiaScale, _skiaScale);
_renderer.Render(skPaintSurfaceEventArgs.Surface.Canvas,
Viewport, _map.Layers, _map.Widgets, _map.BackColor);
}
private void HandlePaintGLSurfaceZoom(object sender, SKPaintGLSurfaceEventArgs e)
{
// See https://github.com/mono/SkiaSharp/issues/920
var control = (SKGLControl)sender;
control.BringToFront();
control.MakeCurrent();
var bg = TransparencyKey.ToSKColor();
e.Surface.Canvas.Clear(bg);
phiddle.DrawZoomWindow(e.Surface.Canvas);
}
public RenderContext CreateContext(SKPaintGLSurfaceEventArgs e)
{
var context = new RenderContext
{
Canvas = e.Surface.Canvas,
Paint = new SKPaint(),
CanvasRect = e.BackendRenderTarget.Rect
};
CalculateRenderSize(context);
return(context);
}
public virtual void Render()
{
if (glContext == null)
{
PrepareGLContexts();
}
EAGLContext.SetCurrentContext(glContext);
// manage the drawing surface
if (renderTarget == null || surface == null)
{
// create or update the dimensions
renderTarget?.Dispose();
Gles.glGetIntegerv(Gles.GL_FRAMEBUFFER_BINDING, out var framebuffer);
Gles.glGetIntegerv(Gles.GL_STENCIL_BITS, out var stencil);
Gles.glGetIntegerv(Gles.GL_SAMPLES, out var samples);
var maxSamples = context.GetMaxSurfaceSampleCount(colorType);
if (samples > maxSamples)
{
samples = maxSamples;
}
Gles.glGetRenderbufferParameteriv(Gles.GL_RENDERBUFFER, Gles.GL_RENDERBUFFER_WIDTH, out var bufferWidth);
Gles.glGetRenderbufferParameteriv(Gles.GL_RENDERBUFFER, Gles.GL_RENDERBUFFER_HEIGHT, out var bufferHeight);
var glInfo = new GRGlFramebufferInfo((uint)framebuffer, colorType.ToGlSizedFormat());
renderTarget = new GRBackendRenderTarget(bufferWidth, bufferHeight, samples, stencil, glInfo);
// create the surface
surface?.Dispose();
surface = SKSurface.Create(context, renderTarget, surfaceOrigin, colorType);
}
using (new SKAutoCanvasRestore(surface.Canvas, true))
{
// start drawing
var e = new SKPaintGLSurfaceEventArgs(surface, renderTarget, surfaceOrigin, colorType);
OnPaintSurface(e);
#pragma warning disable CS0618 // Type or member is obsolete
DrawInSurface(e.Surface, e.RenderTarget);
SKDelegate?.DrawInSurface(e.Surface, e.RenderTarget);
#pragma warning restore CS0618 // Type or member is obsolete
}
// flush the SkiaSharp context to the GL context
surface.Canvas.Flush();
context.Flush();
// present the GL buffers
glContext.PresentRenderBuffer(Gles.GL_RENDERBUFFER);
EAGLContext.SetCurrentContext(null);
}
private void SKGlControlOnPaintSurface(object sender, SKPaintGLSurfaceEventArgs e)
{
e.Surface.Canvas.Clear(SKColors.DarkSlateGray);
if (_image != null)
{
// fit image size to 1920 x 1080
var widthScale = 1920 / _image.Width;
var heightScale = 1080 / _image.Height;
var scale = Math.Max(widthScale, heightScale);
e.Surface.Canvas.DrawImage(_image, new SKRect(0, 0, _image.Width, _image.Height), new SKRect(0, 0, _image.Width * scale, _image.Height * scale));
}
}
public new void DrawInRect(GLKView view, CGRect rect)
{
if (designMode)
{
return;
}
// create the contexts if not done already
if (context == null)
{
var glInterface = GRGlInterface.CreateNativeGlInterface();
context = GRContext.Create(GRBackend.OpenGL, glInterface);
}
// manage the drawing surface
if (renderTarget == null || surface == null || renderTarget.Width != DrawableWidth || renderTarget.Height != DrawableHeight)
{
// create or update the dimensions
renderTarget?.Dispose();
Gles.glGetIntegerv(Gles.GL_FRAMEBUFFER_BINDING, out var framebuffer);
Gles.glGetIntegerv(Gles.GL_STENCIL_BITS, out var stencil);
Gles.glGetIntegerv(Gles.GL_SAMPLES, out var samples);
var maxSamples = context.GetMaxSurfaceSampleCount(colorType);
if (samples > maxSamples)
{
samples = maxSamples;
}
var glInfo = new GRGlFramebufferInfo((uint)framebuffer, colorType.ToGlSizedFormat());
renderTarget = new GRBackendRenderTarget((int)DrawableWidth, (int)DrawableHeight, samples, stencil, glInfo);
// create the surface
surface?.Dispose();
surface = SKSurface.Create(context, renderTarget, surfaceOrigin, colorType);
}
using (new SKAutoCanvasRestore(surface.Canvas, true))
{
// start drawing
var e = new SKPaintGLSurfaceEventArgs(surface, renderTarget, surfaceOrigin, colorType);
OnPaintSurface(e);
#pragma warning disable CS0618 // Type or member is obsolete
DrawInSurface(e.Surface, e.RenderTarget);
#pragma warning restore CS0618 // Type or member is obsolete
}
// flush the SkiaSharp contents to GL
surface.Canvas.Flush();
context.Flush();
}
void OnPaintSurface(object sender, SKPaintGLSurfaceEventArgs skPaintSurfaceEventArgs)
{
if (PixelDensity <= 0)
{
return;
}
Navigator.UpdateAnimations();
skPaintSurfaceEventArgs.Surface.Canvas.Scale(PixelDensity, PixelDensity);
var canvas = skPaintSurfaceEventArgs.Surface.Canvas;
_renderer.Render(canvas, new Viewport(Viewport), _map.Layers, _map.Widgets, _map.BackColor);
}
private void OnPaint(object sender, SKPaintGLSurfaceEventArgs e)
{
float pixelCoordRatioX =
(float)e.BackendRenderTarget.Width / (float)Settings.General.xAxisLength;
float pixelCoordRatioY =
(float)e.BackendRenderTarget.Height / (float)Settings.General.yAxisLength;
SKCanvas canvas = e.Surface.Canvas;
canvas.Scale(pixelCoordRatioX, pixelCoordRatioY);
try
{
GameLoop();
DrawingLoop(canvas);
}
finally
{
canvas.Scale(1 / pixelCoordRatioX, 1 / pixelCoordRatioY);
}
}
private void OnPaintSurface(object sender, SKPaintGLSurfaceEventArgs e)
{
var oldTicks = milliseconds;
var newTicks = Environment.TickCount;
milliseconds = newTicks;
game.Update(TimeSpan.FromMilliseconds(newTicks - oldTicks));
var canvas = e.Surface.Canvas;
using (new SKAutoCanvasRestore(canvas, true))
{
//canvas.Scale(
// e.BackendRenderTarget.Width / baseSize.Width,
// e.BackendRenderTarget.Height / baseSize.Height);
game.Draw(canvas);
}
}
void OnPaintSurface(object sender, SKPaintGLSurfaceEventArgs skPaintSurfaceEventArgs)
{
if (!_viewportInitialized)
{
InitializeViewport();
}
if (!_viewportInitialized)
{
return;
}
_map.Viewport.Width = _canvas.Frame.Width;
_map.Viewport.Height = _canvas.Frame.Height;
var scaleFactor = (float)UIScreen.MainScreen.Scale;
skPaintSurfaceEventArgs.Surface.Canvas.Scale(scaleFactor, scaleFactor);
_renderer.Render(skPaintSurfaceEventArgs.Surface.Canvas, _map.Viewport, _map.Layers, _map.BackColor);
}
private void CanvasOnPaintSurface(object sender, SKPaintGLSurfaceEventArgs e)
{
var canvas = e.Surface.Canvas;
canvas.Scale((float)_canvas.ContentScaleFactor);
canvas.Clear(SKColors.White);
using (var path = ToPath(_originalPath.Points.Select(p => new SKPoint(p.X * _scale, p.Y * _scale))))
{
canvas.Translate(_center.X - path.Bounds.MidX, _center.Y - path.Bounds.MidY);
using (var paint = new SKPaint
{
Color = SKColors.Red,
StrokeWidth = 10,
Style = SKPaintStyle.StrokeAndFill
})
{
e.Surface.Canvas.DrawPath(path, paint);
}
}
}
private void WindowOnPaintSurface(object sender, SKPaintGLSurfaceEventArgs e)
{
var canvas = e.Surface.Canvas;
canvas.Clear(ClearColor);
var RectangleStyleFillShadowColor = new SKColor(255, 0, 0, 255);
var RectangleStyleFillShadow = SKImageFilter.CreateDropShadow(0f, 0f, 20f, 20f,
RectangleStyleFillShadowColor, SKDropShadowImageFilterShadowMode.DrawShadowOnly, null, null);
var RectangleStyleFillColor = new SKColor(255, 255, 255, 255);
canvas.DrawRect(100, 100, 800, 800, new SKPaint
{
Color = new SKColor(202, 157, 93),
Style = SKPaintStyle.Fill,
// Color = RectangleStyleFillColor,
BlendMode = SKBlendMode.SrcOver,
IsAntialias = true,
ImageFilter = SKImageFilter.CreateBlur(5, 5)
// ImageFilter = RectangleStyleFillShadow
});
canvas.DrawCircle(200, 200, 50, new SKPaint
{
IsAntialias = true,
Color = new SKColor(115, 61, 19),
ImageFilter = SKImageFilter.CreateBlur(15, 15)
});
// var pos = new Position
// {
// X = 300,
// Y = 100
// };
// DrawTreeElements(canvas, Window.Document.ChildNodes.OfType<Element>().ToList(), ref pos);
//
// _renderer.Render(canvas);
}
public virtual void Render()
{
if (glContext == null)
{
PrepareGLContexts();
}
EAGLContext.SetCurrentContext(glContext);
// manage the drawing surface
if (renderTarget == null || surface == null)
{
// create or update the dimensions
renderTarget?.Dispose();
renderTarget = SKGLDrawable.CreateRenderTarget(0, 0);
// create the surface
surface?.Dispose();
surface = SKSurface.Create(context, renderTarget, GRSurfaceOrigin.BottomLeft, SKColorType.Rgba8888);
}
using (new SKAutoCanvasRestore(surface.Canvas, true))
{
// start drawing
var e = new SKPaintGLSurfaceEventArgs(surface, renderTarget, GRSurfaceOrigin.BottomLeft, SKColorType.Rgba8888);
OnPaintSurface(e);
#pragma warning disable CS0618 // Type or member is obsolete
DrawInSurface(e.Surface, e.RenderTarget);
SKDelegate?.DrawInSurface(e.Surface, e.RenderTarget);
#pragma warning restore CS0618 // Type or member is obsolete
}
// flush the SkiaSharp context to the GL context
surface.Canvas.Flush();
context.Flush();
// present the GL buffers
glContext.PresentRenderBuffer(Gles.GL_RENDERBUFFER);
EAGLContext.SetCurrentContext(null);
}
public new void DrawInRect(GLKView view, CGRect rect)
{
if (designMode)
{
return;
}
// create the contexts if not done already
if (context == null)
{
var glInterface = GRGlInterface.CreateNativeGlInterface();
context = GRContext.Create(GRBackend.OpenGL, glInterface);
}
// manage the drawing surface
if (renderTarget == null || surface == null || renderTarget.Width != DrawableWidth || renderTarget.Height != DrawableHeight)
{
// create or update the dimensions
renderTarget?.Dispose();
renderTarget = SKGLDrawable.CreateRenderTarget((int)DrawableWidth, (int)DrawableHeight);
// create the surface
surface?.Dispose();
surface = SKSurface.Create(context, renderTarget, GRSurfaceOrigin.BottomLeft, SKColorType.Rgba8888);
}
using (new SKAutoCanvasRestore(surface.Canvas, true))
{
// start drawing
var e = new SKPaintGLSurfaceEventArgs(surface, renderTarget, GRSurfaceOrigin.BottomLeft, SKColorType.Rgba8888);
OnPaintSurface(e);
#pragma warning disable CS0618 // Type or member is obsolete
DrawInSurface(e.Surface, e.RenderTarget);
#pragma warning restore CS0618 // Type or member is obsolete
}
// flush the SkiaSharp contents to GL
surface.Canvas.Flush();
context.Flush();
}
