59 lines
1.3 KiB
C#
59 lines
1.3 KiB
C#
using Progrart.Core.Storage;
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using SkiaSharp;
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using System.Diagnostics;
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namespace Progrart.Core
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{
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public class PrimitiveDrawingCore : IDisposable
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{
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internal bool isDisposed = false;
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SKSurface surface;
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SKImageInfo info;
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public readonly int Width;
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public readonly int Height;
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public SKCanvas canvas { get; }
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internal IStorageProvider StorageProvider;
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Dictionary<string, SKTypeface> Fonts = new Dictionary<string, SKTypeface>();
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public SKTypeface? GetFont(string fontName)
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{
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if (Fonts.ContainsKey(fontName))
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return Fonts[fontName];
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else
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{
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var task=StorageProvider.TryOpenRead(fontName);
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task.Wait();
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var stream=task.Result;
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if(stream != null)
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{
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SKTypeface typeface = SKTypeface.FromStream(stream);
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Fonts[fontName] = typeface;
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return typeface;
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}
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}
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return null;
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}
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public PrimitiveDrawingCore(int W, int H, IStorageProvider storageProvider)
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{
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Width = W;
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Height = H;
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info = new SKImageInfo(W, H);
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surface = SKSurface.Create(info);
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canvas = surface.Canvas;
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canvas.Clear();
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StorageProvider = storageProvider;
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}
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public SKData ToData()
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{
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return surface.Snapshot().Encode(SKEncodedImageFormat.Png, 100);
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}
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public void Dispose()
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{
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if (isDisposed) return;
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//GC.SuppressFinalize(this);
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isDisposed = true;
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surface.Dispose();
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}
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}
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}
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