Dave Friedel
1f096c38dc
Recovered from decompiled OpenMaui.Controls.Linux.dll: - SkiaShell.cs: FlyoutHeader, FlyoutFooter, scroll support (918 -> 1325 lines) - X11Window.cs: Cursor support (XCreateFontCursor, XDefineCursor) - All handlers with dark mode support - All services with latest implementations - LinuxApplication with theme change handling
343 lines
11 KiB
C#
343 lines
11 KiB
C#
using System;
|
|
using System.IO;
|
|
using System.Threading;
|
|
using Microsoft.Maui.Controls;
|
|
using Microsoft.Maui.Graphics;
|
|
using Microsoft.Maui.Handlers;
|
|
using SkiaSharp;
|
|
|
|
namespace Microsoft.Maui.Platform.Linux.Handlers;
|
|
|
|
public class ImageHandler : ViewHandler<IImage, SkiaImage>
|
|
{
|
|
internal class ImageSourceServiceResultManager
|
|
{
|
|
private readonly ImageHandler _handler;
|
|
|
|
private CancellationTokenSource? _cts;
|
|
|
|
public ImageSourceServiceResultManager(ImageHandler handler)
|
|
{
|
|
_handler = handler;
|
|
}
|
|
|
|
public async void UpdateImageSourceAsync()
|
|
{
|
|
_cts?.Cancel();
|
|
_cts = new CancellationTokenSource();
|
|
CancellationToken token = _cts.Token;
|
|
try
|
|
{
|
|
IImage virtualView = ((ViewHandler<IImage, SkiaImage>)(object)_handler).VirtualView;
|
|
IImageSource val = ((virtualView != null) ? ((IImageSourcePart)virtualView).Source : null);
|
|
if (val == null)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)_handler).PlatformView?.LoadFromData(Array.Empty<byte>());
|
|
return;
|
|
}
|
|
IImageSourcePart virtualView2 = (IImageSourcePart)(object)((ViewHandler<IImage, SkiaImage>)(object)_handler).VirtualView;
|
|
if (virtualView2 != null)
|
|
{
|
|
virtualView2.UpdateIsLoading(true);
|
|
}
|
|
IFileImageSource val2 = (IFileImageSource)(object)((val is IFileImageSource) ? val : null);
|
|
if (val2 != null)
|
|
{
|
|
string file = val2.File;
|
|
if (!string.IsNullOrEmpty(file))
|
|
{
|
|
await ((ViewHandler<IImage, SkiaImage>)(object)_handler).PlatformView.LoadFromFileAsync(file);
|
|
}
|
|
return;
|
|
}
|
|
IUriImageSource val3 = (IUriImageSource)(object)((val is IUriImageSource) ? val : null);
|
|
if (val3 != null)
|
|
{
|
|
Uri uri = val3.Uri;
|
|
if (uri != null)
|
|
{
|
|
await ((ViewHandler<IImage, SkiaImage>)(object)_handler).PlatformView.LoadFromUriAsync(uri);
|
|
}
|
|
return;
|
|
}
|
|
IStreamImageSource val4 = (IStreamImageSource)(object)((val is IStreamImageSource) ? val : null);
|
|
if (val4 != null)
|
|
{
|
|
Stream stream = await val4.GetStreamAsync(token);
|
|
if (stream != null)
|
|
{
|
|
await ((ViewHandler<IImage, SkiaImage>)(object)_handler).PlatformView.LoadFromStreamAsync(stream);
|
|
}
|
|
return;
|
|
}
|
|
FontImageSource val5 = (FontImageSource)(object)((val is FontImageSource) ? val : null);
|
|
if (val5 != null)
|
|
{
|
|
SKBitmap val6 = RenderFontImageSource(val5, ((ViewHandler<IImage, SkiaImage>)(object)_handler).PlatformView.WidthRequest, ((ViewHandler<IImage, SkiaImage>)(object)_handler).PlatformView.HeightRequest);
|
|
if (val6 != null)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)_handler).PlatformView.LoadFromBitmap(val6);
|
|
}
|
|
}
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
}
|
|
catch (Exception)
|
|
{
|
|
IImageSourcePart virtualView3 = (IImageSourcePart)(object)((ViewHandler<IImage, SkiaImage>)(object)_handler).VirtualView;
|
|
if (virtualView3 != null)
|
|
{
|
|
virtualView3.UpdateIsLoading(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
private static SKBitmap? RenderFontImageSource(FontImageSource fontSource, double requestedWidth, double requestedHeight)
|
|
{
|
|
//IL_0062: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_005b: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_0067: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_006b: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_0071: Expected O, but got Unknown
|
|
//IL_0072: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_0079: Expected O, but got Unknown
|
|
//IL_007b: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_016a: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_0171: Expected O, but got Unknown
|
|
//IL_0173: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_0178: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_0179: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_017f: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_0186: Unknown result type (might be due to invalid IL or missing references)
|
|
//IL_018f: Expected O, but got Unknown
|
|
//IL_0191: Unknown result type (might be due to invalid IL or missing references)
|
|
string glyph = fontSource.Glyph;
|
|
if (string.IsNullOrEmpty(glyph))
|
|
{
|
|
return null;
|
|
}
|
|
int val = (int)Math.Max((requestedWidth > 0.0) ? requestedWidth : 24.0, (requestedHeight > 0.0) ? requestedHeight : 24.0);
|
|
val = Math.Max(val, 16);
|
|
SKColor color = fontSource.Color?.ToSKColor() ?? SKColors.Black;
|
|
SKBitmap val2 = new SKBitmap(val, val, false);
|
|
SKCanvas val3 = new SKCanvas(val2);
|
|
try
|
|
{
|
|
val3.Clear(SKColors.Transparent);
|
|
SKTypeface val4 = null;
|
|
if (!string.IsNullOrEmpty(fontSource.FontFamily))
|
|
{
|
|
string[] array = new string[4]
|
|
{
|
|
"/usr/share/fonts/truetype/" + fontSource.FontFamily + ".ttf",
|
|
"/usr/share/fonts/opentype/" + fontSource.FontFamily + ".otf",
|
|
"/usr/local/share/fonts/" + fontSource.FontFamily + ".ttf",
|
|
Path.Combine(AppContext.BaseDirectory, fontSource.FontFamily + ".ttf")
|
|
};
|
|
foreach (string text in array)
|
|
{
|
|
if (File.Exists(text))
|
|
{
|
|
val4 = SKTypeface.FromFile(text, 0);
|
|
if (val4 != null)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (val4 == null)
|
|
{
|
|
val4 = SKTypeface.FromFamilyName(fontSource.FontFamily);
|
|
}
|
|
}
|
|
if (val4 == null)
|
|
{
|
|
val4 = SKTypeface.Default;
|
|
}
|
|
float num = (float)val * 0.8f;
|
|
SKFont val5 = new SKFont(val4, num, 1f, 0f);
|
|
try
|
|
{
|
|
SKPaint val6 = new SKPaint(val5)
|
|
{
|
|
Color = color,
|
|
IsAntialias = true,
|
|
TextAlign = (SKTextAlign)1
|
|
};
|
|
try
|
|
{
|
|
SKRect val7 = default(SKRect);
|
|
val6.MeasureText(glyph, ref val7);
|
|
float num2 = (float)val / 2f;
|
|
float num3 = ((float)val - ((SKRect)(ref val7)).Top - ((SKRect)(ref val7)).Bottom) / 2f;
|
|
val3.DrawText(glyph, num2, num3, val6);
|
|
return val2;
|
|
}
|
|
finally
|
|
{
|
|
((IDisposable)val6)?.Dispose();
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
((IDisposable)val5)?.Dispose();
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
((IDisposable)val3)?.Dispose();
|
|
}
|
|
}
|
|
}
|
|
|
|
public static IPropertyMapper<IImage, ImageHandler> Mapper = (IPropertyMapper<IImage, ImageHandler>)(object)new PropertyMapper<IImage, ImageHandler>((IPropertyMapper[])(object)new IPropertyMapper[1] { (IPropertyMapper)ViewHandler.ViewMapper })
|
|
{
|
|
["Aspect"] = MapAspect,
|
|
["IsOpaque"] = MapIsOpaque,
|
|
["Source"] = MapSource,
|
|
["Background"] = MapBackground,
|
|
["Width"] = MapWidth,
|
|
["Height"] = MapHeight
|
|
};
|
|
|
|
public static CommandMapper<IImage, ImageHandler> CommandMapper = new CommandMapper<IImage, ImageHandler>((CommandMapper)(object)ViewHandler.ViewCommandMapper);
|
|
|
|
private ImageSourceServiceResultManager _sourceLoader;
|
|
|
|
private ImageSourceServiceResultManager SourceLoader => _sourceLoader ?? (_sourceLoader = new ImageSourceServiceResultManager(this));
|
|
|
|
public ImageHandler()
|
|
: base((IPropertyMapper)(object)Mapper, (CommandMapper)(object)CommandMapper)
|
|
{
|
|
}
|
|
|
|
public ImageHandler(IPropertyMapper? mapper, CommandMapper? commandMapper = null)
|
|
: base((IPropertyMapper)(((object)mapper) ?? ((object)Mapper)), (CommandMapper)(((object)commandMapper) ?? ((object)CommandMapper)))
|
|
{
|
|
}
|
|
|
|
protected override SkiaImage CreatePlatformView()
|
|
{
|
|
return new SkiaImage();
|
|
}
|
|
|
|
protected override void ConnectHandler(SkiaImage platformView)
|
|
{
|
|
base.ConnectHandler(platformView);
|
|
platformView.ImageLoaded += OnImageLoaded;
|
|
platformView.ImageLoadingError += OnImageLoadingError;
|
|
}
|
|
|
|
protected override void DisconnectHandler(SkiaImage platformView)
|
|
{
|
|
platformView.ImageLoaded -= OnImageLoaded;
|
|
platformView.ImageLoadingError -= OnImageLoadingError;
|
|
base.DisconnectHandler(platformView);
|
|
}
|
|
|
|
private void OnImageLoaded(object? sender, EventArgs e)
|
|
{
|
|
IImageSourcePart virtualView = (IImageSourcePart)(object)base.VirtualView;
|
|
if (virtualView != null)
|
|
{
|
|
virtualView.UpdateIsLoading(false);
|
|
}
|
|
}
|
|
|
|
private void OnImageLoadingError(object? sender, ImageLoadingErrorEventArgs e)
|
|
{
|
|
IImageSourcePart virtualView = (IImageSourcePart)(object)base.VirtualView;
|
|
if (virtualView != null)
|
|
{
|
|
virtualView.UpdateIsLoading(false);
|
|
}
|
|
}
|
|
|
|
public static void MapAspect(ImageHandler handler, IImage image)
|
|
{
|
|
//IL_0010: Unknown result type (might be due to invalid IL or missing references)
|
|
if (((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView != null)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView.Aspect = image.Aspect;
|
|
}
|
|
}
|
|
|
|
public static void MapIsOpaque(ImageHandler handler, IImage image)
|
|
{
|
|
if (((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView != null)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView.IsOpaque = image.IsOpaque;
|
|
}
|
|
}
|
|
|
|
public static void MapSource(ImageHandler handler, IImage image)
|
|
{
|
|
if (((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView == null)
|
|
{
|
|
return;
|
|
}
|
|
Image val = (Image)(object)((image is Image) ? image : null);
|
|
if (val != null)
|
|
{
|
|
if (((VisualElement)val).WidthRequest > 0.0)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView.WidthRequest = ((VisualElement)val).WidthRequest;
|
|
}
|
|
if (((VisualElement)val).HeightRequest > 0.0)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView.HeightRequest = ((VisualElement)val).HeightRequest;
|
|
}
|
|
}
|
|
handler.SourceLoader.UpdateImageSourceAsync();
|
|
}
|
|
|
|
public static void MapBackground(ImageHandler handler, IImage image)
|
|
{
|
|
//IL_002c: Unknown result type (might be due to invalid IL or missing references)
|
|
if (((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView != null)
|
|
{
|
|
Paint background = ((IView)image).Background;
|
|
SolidPaint val = (SolidPaint)(object)((background is SolidPaint) ? background : null);
|
|
if (val != null && val.Color != null)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView.BackgroundColor = val.Color.ToSKColor();
|
|
}
|
|
}
|
|
}
|
|
|
|
public static void MapWidth(ImageHandler handler, IImage image)
|
|
{
|
|
if (((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView != null)
|
|
{
|
|
Image val = (Image)(object)((image is Image) ? image : null);
|
|
if (val != null && ((VisualElement)val).WidthRequest > 0.0)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView.WidthRequest = ((VisualElement)val).WidthRequest;
|
|
Console.WriteLine($"[ImageHandler] MapWidth: {((VisualElement)val).WidthRequest}");
|
|
}
|
|
else if (((IView)image).Width > 0.0)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView.WidthRequest = ((IView)image).Width;
|
|
}
|
|
}
|
|
}
|
|
|
|
public static void MapHeight(ImageHandler handler, IImage image)
|
|
{
|
|
if (((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView != null)
|
|
{
|
|
Image val = (Image)(object)((image is Image) ? image : null);
|
|
if (val != null && ((VisualElement)val).HeightRequest > 0.0)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView.HeightRequest = ((VisualElement)val).HeightRequest;
|
|
Console.WriteLine($"[ImageHandler] MapHeight: {((VisualElement)val).HeightRequest}");
|
|
}
|
|
else if (((IView)image).Height > 0.0)
|
|
{
|
|
((ViewHandler<IImage, SkiaImage>)(object)handler).PlatformView.HeightRequest = ((IView)image).Height;
|
|
}
|
|
}
|
|
}
|
|
}
|