private static SkiaSharp.Extended.Svg.SKSvg LoadSVG(string key)
{
Assembly assembly = null;
foreach (KeyValuePair <Assembly, List <string> > entry in ManifestResourceNames)
{
if (entry.Value.Contains(key))
{
assembly = entry.Key;
break;
}
}
if (assembly == null)
{
throw new Exception($"Failed to locate assembly for resource {key}");
}
// If not found in cache, load
if (!SvgCache.TryGetValue(key, out SkiaSharp.Extended.Svg.SKSvg svg))
{
using (Stream stream = assembly.GetManifestResourceStream(key))
{
svg = new SkiaSharp.Extended.Svg.SKSvg();
svg.Load(stream);
SvgCache.Add(key, svg);
}
}
return(svg);
}
private void OnSvgResourceKeyChanged(string oldValue, string newValue)
{
//"XApp.Views.Icons.ZWave.svg"
picture = null;
if (!string.IsNullOrEmpty(newValue))
{
string resxId = newValue.IndexOf(".") > 0
? newValue
: $"{typeof(SvgIcon).Namespace}.Svg.{newValue}.svg";
if (!svgs.TryGetValue(resxId, out picture))
{
using (Stream stream = GetType().Assembly.GetManifestResourceStream(resxId))
{
if (stream != null)
{
Svg.SKSvg svg = new Svg.SKSvg();
svg.Load(stream);
picture = svgs[resxId] = svg.Picture;
}
}
}
}
InvalidateSurface();
}
private void SaveVector(Shape shape)
{
var svg = new SkiaSharp.Extended.Svg.SKSvg();
svg.Load(shape.OutputPath);
var svgRect = svg.Picture.CullRect;
var(w, h) = CalculateResized((int)svgRect.Width, (int)svgRect.Height);
float svgMax = Math.Max(w, h);
float scale = w / svgRect.Width;
var matrixS = SKMatrix.MakeScale(scale, scale);
var matrixT = SKMatrix.MakeTranslation((MAX_SIZE - w) / 2, (MAX_SIZE - h) / 2);
var matrix = SKMatrix.MakeIdentity();
SKMatrix.Concat(ref matrix, matrixT, matrixS);
var target = new SKBitmap(MAX_SIZE, MAX_SIZE,
SKImageInfo.PlatformColorType, SKAlphaType.Premul);
using (target)
using (var canvas = new SKCanvas(target))
{
canvas.Clear();
canvas.DrawPicture(svg.Picture, ref matrix, _skPaint);
SaveToFile(shape.Id, "svg", target);
}
}
public SKSvg Load(string svgImage)
{
try
{
var svg = new SkiaSharp.Extended.Svg.SKSvg();
Stream asset = null;
try
{
asset = Application.Context.Assets.Open(svgImage);
}
catch (Exception)
{
throw new Exception($"SVG-file, {svgImage} cannot be foundin the Asset folder.");
}
svg.Load(asset);
return(svg);
}
catch (Exception)
{
throw new Exception($"SVG-file, {svgImage} is not supported by SkiaSharp.Svg.");
}
}
public SKSvg Load(string svgImage)
{
var svg = new SkiaSharp.Extended.Svg.SKSvg();
svg.Load(svgImage);
return(svg);
}
}; // Only for high/med/low quality resizing of tiles
public static BitmapInfo LoadBitmap(Stream bitmapStream, bool isSvg = false)
{
bitmapStream.Position = 0;
if (isSvg)
{
var svg = new SkiaSharp.Extended.Svg.SKSvg();
svg.Load(bitmapStream);
return(new BitmapInfo {
Svg = svg
});
}
var image = SKImage.FromEncodedData(SKData.CreateCopy(bitmapStream.ToBytes()));
return(new BitmapInfo {
Bitmap = image
});
}
//Create the event handler
void OnCanvasViewPaintSurface(object sender, SKPaintSurfaceEventArgs args)
{
SKImageInfo info = args.Info;
SKSurface surface = args.Surface;
DriveViewModel vm = this.BindingContext as DriveViewModel;
if (vm == null)
{
return;
}
using (var webClient = new WebClient()) {
var canvas = surface.Canvas;
var stream = webClient.DownloadData($"http://{Models.AppConfig.Instance.IpAddress}:8080/image/front/img.jpg?timestamp={DateTime.Now.Ticks}");
var img = SKBitmap.Decode(stream);
SKRect bounds = canvas.LocalClipBounds;
float xRatio = (float)info.Width / (float)img.Width;
float yRatio = (float)info.Height / (float)img.Height;
canvas.Scale(xRatio, yRatio);
canvas.DrawBitmap(img, 0, 0); //, canvas.LocalClipBounds);
if (vm.ShowGrass)
{
try {
var streamGrass = webClient.DownloadData($"http://{Models.AppConfig.Instance.IpAddress}:8080/image/front/grass.svg?timestamp={DateTime.Now.Ticks}&layerItems=detection&layerItems=surface&layerItems=robotMotionState&layerItems=inferenceType");
//SKSvg svgGrass = new SkiaSharp.SKSvg();
SkiaSharp.Extended.Svg.SKSvg svg = new SkiaSharp.Extended.Svg.SKSvg();
svg.Load(new MemoryStream(streamGrass));
canvas.DrawPicture(svg.Picture);
} catch (Exception err) {
}
}
if (vm.ShowScene)
{
try {
var streamScene = webClient.DownloadData($"http://{Models.AppConfig.Instance.IpAddress}:8080/image/front/scene.svg?timestamp={DateTime.Now.Ticks}&layerItems=GeneralObjectDetectionTransformer&layerItems=ToadiObjectDetectionTransformer&layerItems=ChargingStationPoseTransformer");
SkiaSharp.Extended.Svg.SKSvg svgScene = new SkiaSharp.Extended.Svg.SKSvg();
svgScene.Load(new MemoryStream(streamScene));
canvas.DrawPicture(svgScene.Picture);
} catch (Exception err) {
}
}
img.Dispose();
canvas.Dispose();
//using (var canvas = surface.Canvas) {
// // use KBitmap.Decode to decode the byte[] in jpeg format
// using (var bitmap = SKBitmap.Decode(stream)) {
// using (var paint = new SKPaint()) {
// // clear the canvas / fill with black
// //canvas.DrawColor(SKColors.Black);
// canvas.DrawBitmap(bitmap, canvas.LocalClipBounds);
// //canvas.DrawBitmap(bitmap, 0, 0, paint); // SKRect.Create(640, 480)
// //canvas.DrawBitmap(bitmap, SKRect.Create(640, 480), SKRect.Create((float)canvasView.Width, (float)canvasView.Height));
// }
// }
//}
}
}
public static void CreateOgImage(
[QueueTrigger("ClassifyResultCreate")] string input,
[Table("ClassifyResult", "ja-en", "{queueTrigger}")] ResponseTableEntity tableEntity,
[Blob("classifyresultogimage/{queueTrigger}.png", FileAccess.Write)] Stream imageStream,
ILogger log)
{
log.LogInformation($"Handle {input}");
var response = JsonConvert.DeserializeObject <Response>(tableEntity.ResponseData);
var barFactor = 600;
var adultBar = response.Categories.First(x => x.Name == "Adult").Score *barFactor;
var racyBar = response.Categories.First(x => x.Name == "Racy").Score *barFactor;
var offensiveBar = response.Categories.First(x => x.Name == "Offensive").Score *barFactor;
var svgString = $@"<?xml version=""1.0""?>
<svg width=""960""
height=""480""
xmlns=""http://www.w3.org/2000/svg""
xmlns:svg=""http://www.w3.org/2000/svg"">
<g class=""layer"">
<text fill=""#000000""
font-family=""Meiryo""
font-size=""48""
id=""svg_1""
stroke=""#000000""
stroke-width=""0""
text-anchor=""start""
x=""32""
y=""48"">JapaniseTextClassifier</text>
<switch>
<foreignObject x=""64""
y=""64""
width=""832""
height=""240"">
<p xmlns=""http://www.w3.org/1999/xhtml"" style=""font-size: 24px; font-family: Meiryo;"">
{response.Request.Text}
</p>
</foreignObject>
<text fill=""#000000""
font-family=""Meiryo""
font-size=""24""
id=""svg_2""
stroke=""#000000""
stroke-width=""0""
text-anchor=""start""
x=""64""
y=""96"">{response.Request.Text}</text>
</switch>
<text fill=""#000000""
font-family=""Meiryo""
font-size=""24""
id=""svg_3""
stroke=""#000000""
stroke-width=""0""
text-anchor=""start""
x=""64""
y=""370"">Adult</text>
<text fill=""#000000""
font-family=""Meiryo""
font-size=""24""
id=""svg_4""
stroke=""#000000""
stroke-width=""0""
text-anchor=""start""
x=""64""
y=""410"">Racy</text>
<text fill=""#000000""
font-family=""Meiryo""
font-size=""24""
id=""svg_5""
stroke=""#000000""
stroke-width=""0""
text-anchor=""start""
x=""64""
y=""450"">Offensive</text>
<rect fill=""#000000""
height=""32""
id=""svg_6""
stroke=""#000000""
stroke-width=""5""
width=""{adultBar}""
x=""240""
y=""340""/>
<rect fill=""#000000""
height=""32""
id=""svg_7""
stroke=""#000000""
stroke-width=""5""
width=""{racyBar}""
x=""240""
y=""380""/>
<rect fill=""#000000""
height=""32""
id=""svg_8""
stroke=""#000000""
stroke-width=""5""
width=""{offensiveBar}""
x=""240""
y=""420""/>
</g>
</svg>";
var svg = new SkiaSharp.Extended.Svg.SKSvg();
var pict = svg.Load(new MemoryStream(Encoding.UTF8.GetBytes(svgString)));
var dimen = new SKSizeI(
(int)Math.Ceiling(pict.CullRect.Width),
(int)Math.Ceiling(pict.CullRect.Height)
);
var matrix = SKMatrix.MakeScale(1, 1);
var img = SKImage.FromPicture(pict, dimen, matrix);
var quality = 90;
var skdata = img.Encode(SkiaSharp.SKEncodedImageFormat.Png, quality);
skdata.SaveTo(imageStream);
log.LogInformation(svgString);
}