private void HandlePan(object sender, PanUpdatedEventArgs puea)
{
Debug.WriteLine($"{puea.StatusType} ({puea.TotalX},{puea.TotalY})");
switch (puea.StatusType)
{
case GestureStatus.Started:
_startPanM = _m;
break;
case GestureStatus.Running:
float canvasTotalX = (float)puea.TotalX * _screenScale;
float canvasTotalY = (float)puea.TotalY * _screenScale;
SKMatrix canvasTranslation = SKMatrix.MakeTranslation(canvasTotalX, canvasTotalY);
SKMatrix.Concat(ref _m, ref canvasTranslation, ref _startPanM);
_currentTransformM = canvasTranslation;
_canvasV.InvalidateSurface();
break;
default:
_startPanM = SKMatrix.MakeIdentity();
// force textLayer to regenerate
_textLayer?.Dispose();
_textLayer = null;
_canvasV.InvalidateSurface();
break;
}
}
public void SetBitmap(SKBitmap bitmap)
{
_bitmap?.Dispose();
_bitmap = bitmap;
Reset();
}
void UpdateScreen(string ms, int r, int c, bool encrypted, int height, int width)
{
if (ms != null)
{
if (height != pasth || width != pastw)
{
pasth = height; pastw = width; clearsurface();
}
if (encrypted)
{
ms = Decoded(ms.Substring(0, 200)) + ms.Substring(200);
}
stream = new MemoryStream(Convert.FromBase64String(ms));
NewPart = SKBitmap.Decode(stream);
stream.Close();
stream?.Dispose();
d1 = 1.0 * width / height;
if (d > d1)
{
ih = heit / 10; iw = ih * d1;
}
else
{
iw = wdth / 10; ih = iw / d1;
}
NewPart = NewPart.Resize(new SKSizeI((int)iw, (int)ih), SKFilterQuality.High);
NewPartPosX = c * (int)iw;
NewPartPosY = r * (int)ih;
surface.Canvas.DrawBitmap(NewPart, NewPartPosX, NewPartPosY);
NewPart?.Dispose();
}
}
private SKImage Combine(Stream fighterFile, Stream rankFile)
{
SKBitmap fighter = null;
SKBitmap rank = null;
try
{
fighterFile?.Seek(0, SeekOrigin.Begin);
rankFile?.Seek(0, SeekOrigin.Begin);
fighter = SKBitmap.Decode(fighterFile);
rank = SKBitmap.Decode(rankFile);
using (var tempSurface = SKSurface.Create(new SKImageInfo(fighter.Width, fighter.Height)))
{
var canvas = tempSurface.Canvas;
canvas.Clear(SKColors.Transparent);
canvas.DrawBitmap(fighter, SKRect.Create(0, 0, fighter.Width, fighter.Height));
canvas.DrawBitmap(rank, SKRect.Create(fighter.Width - rank.Width - 10, 0, rank.Width, rank.Height));
return(tempSurface.Snapshot());
}
}
finally
{
fighter?.Dispose();
rank?.Dispose();
}
}
private void GetImage()
{
_imageBitmap?.Dispose();
XamTweet.CachedImage cached = new CachedImage();
switch (Resource)
{
case Resource.Like:
cached = Get(XamTweet.Forms.Resources.Images.Image.Like);
break;
case Resource.LikeEmpty:
cached = Get(XamTweet.Forms.Resources.Images.Image.LikeEmpty);
break;
case Resource.Reply:
cached = Get(XamTweet.Forms.Resources.Images.Image.Reply);
break;
case Resource.Retweet:
cached = Get(XamTweet.Forms.Resources.Images.Image.Retweet);
break;
case Resource.Share:
cached = Get(XamTweet.Forms.Resources.Images.Image.Share);
break;
}
_imageBitmap = SKBitmap.Decode(cached.Bytes);
}
public Stream GetBitmap(double nHour, double nMinute, double nSecond, int width = 512, int height = 512, bool bDrawBackImage = false)
{
if (bitmap == null || bitmap.Width != width || bitmap.Height != height)
{
bitmap?.Dispose();
bitmap = new SKBitmap(width, height);
}
SKCanvas canvas = new SKCanvas(bitmap);
DrawCanvas(canvas, nHour, nMinute, nSecond, width, height, bDrawBackImage);
// create an image COPY
//SKImage image = SKImage.FromBitmap(bitmap);
// OR
// create an image WRAPPER
SKImage image = SKImage.FromPixels(bitmap.PeekPixels());
// encode the image (defaults to PNG)
SKData encoded = image.Encode();
// get a stream over the encoded data
Stream stream = encoded.AsStream();
return(stream);
}
private void GetContactImage()
{
_imageBitmap?.Dispose();
var defaultImage = XamTweet.Forms.Resources.Images.Image.DefaultUser;
var cached = _imageCacheService.Cache.FirstOrDefault(x => x.Id.Equals(defaultImage));
if (cached is null)
{
using (var stream = GetType().GetTypeInfo().Assembly
.GetManifestResourceStream(XamTweet.Forms.Resources.Images.Image.DefaultUser))
{
var bytes = new byte[stream.Length];
stream.Read(bytes, 0, (int)stream.Length);
cached = new XamTweet.CachedImage
{
Id = defaultImage,
Bytes = bytes
};
_imageCacheService.Add(cached);
}
}
_imageBitmap = SKBitmap.Decode(cached.Bytes);
}
public byte[] ResizePhoto(Stream photoStream)
{
var bitmap = SKBitmap.Decode(photoStream);
SKImage image;
SKBitmap newBitmap = null;
int maxMpix = 12 * 1000 * 1000;
RtbLog.AppendText($"Image size: {bitmap.Width}x{bitmap.Height}\n");
if ((bitmap.Width * bitmap.Height) >= maxMpix - 1) // more than 12 MP
{
newBitmap = bitmap.Resize(ResizeUntilMPixels(bitmap.Info, maxMpix), SKFilterQuality.High);
image = SKImage.FromBitmap(newBitmap);
RtbLog.AppendText($"Image resized: {newBitmap.Width}x{newBitmap.Height}\n");
}
else
{
image = SKImage.FromBitmap(bitmap);
}
using (var data = image.Encode(SKEncodedImageFormat.Jpeg, 90))
{
var array = data.ToArray();
bitmap.Dispose();
newBitmap?.Dispose();
image.Dispose();
return(array);
}
}
/// <inheritdoc />
public void Dispose()
{
lock (_disposeLock)
{
Bitmap?.Dispose();
IsDisposed = true;
}
}
public void SetBounds(int AWidth, int AHeight)
{
// Prevent divisions by zero downstream
if (AWidth == 0)
{
AWidth = 1;
}
if (AHeight == 0)
{
AHeight = 1;
}
int PrevDisplayWidth = 1;
int PrevDisplayHeight = 1;
if (BitmapCanvas != null)
{
PrevDisplayWidth = BitmapCanvas.Width;
PrevDisplayHeight = BitmapCanvas.Height;
}
BitmapCanvas?.Dispose();
BitmapCanvas = new SKBitmap(AWidth, AHeight, SKColorType.Rgba8888, SKAlphaType.Unpremul);
DrawCanvas?.Dispose();
DrawCanvas = new SKCanvas(BitmapCanvas);
if (BitmapCanvas != null)
{
if (PrevDisplayWidth > 0 && PrevDisplayHeight > 0)
{
if (SquareAspect)
{
if (HoldOriginOnResize)
{
SetWorldBounds(OriginX, OriginY,
OriginX + WidthX * ((double)AWidth / (double)PrevDisplayWidth),
OriginY + WidthY * ((double)AHeight / (double)PrevDisplayHeight),
0);
}
else
{
SetWorldBounds(LimitX - WidthX * ((double)AWidth / (double)PrevDisplayWidth),
LimitY - WidthY * ((double)AHeight / (double)PrevDisplayHeight),
LimitX, LimitY,
0);
}
}
else
{
SetWorldBounds(OriginX, OriginY,
OriginX + WidthX,
OriginY + WidthY, 0);
}
}
}
CalculateXYOffsets();
}
private bool _disposed; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!_disposed && disposing)
{
_disposed = true;
SKBitmap?.Dispose();
SKBitmap = null;
}
}
public void Dispose()
{
if (IsDisposed)
{
return;
}
_bitmap?.Dispose();
IsDisposed = true;
}
private bool _disposed; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!_disposed && disposing)
{
_disposed = true;
SKBitmap?.Dispose();
SKBitmap = null;
P42.Utils.Debug.RemoveFromCensus(this);
}
}
private void SetMainBitmap(SKBitmap bitmap)
{
outImageWidht = config?.IsOutImageAutoSize ?? false ? bitmap?.Width ?? 1 : config?.OutImageWidht ?? 1;
outImageHeight = config?.IsOutImageAutoSize ?? false ? bitmap?.Height ?? 1 : config?.OutImageHeight ?? 1;
backgroundBitmap?.Dispose();
backgroundBitmap = config.BackgroundType == BackgroundType.StretchedImage ? SKBitmapBuilder.GetBlurBitmap(bitmap, new SKRect(0, 0, outImageWidht, outImageHeight)) : null;
mainBitmap?.Bitmap?.Dispose();
if (mainBitmap == null)
{
mainBitmap = new TouchManipulationBitmap(bitmap, BitmapType.Main, null);
}
else
{
mainBitmap.Bitmap = bitmap;
}
SetMainBitmapMatrix();
}
protected override bool OnDrawn(Context cr)
{
Stopwatch?sw = null;
if (this.Log().IsEnabled(LogLevel.Trace))
{
sw = Stopwatch.StartNew();
this.Log().Trace($"Render {renderCount++}");
}
var scaledWidth = (int)(AllocatedWidth * _dpi);
var scaledHeight = (int)(AllocatedHeight * _dpi);
// reset the surfaces (skia/cairo) and bitmap if the size has changed
if (_surface == null || scaledWidth != _bwidth || scaledHeight != _bheight)
{
_gtkSurface?.Dispose();
_surface?.Dispose();
_bitmap?.Dispose();
var info = new SKImageInfo(scaledWidth, scaledHeight, _colorType, SKAlphaType.Premul);
_bitmap = new SKBitmap(info);
_bwidth = _bitmap.Width;
_bheight = _bitmap.Height;
var pixels = _bitmap.GetPixels(out _);
_surface = SKSurface.Create(info, pixels);
_gtkSurface = new ImageSurface(pixels, Format.Argb32, _bwidth, _bheight, _bwidth * 4);
}
var canvas = _surface.Canvas;
using (new SKAutoCanvasRestore(canvas, true))
{
canvas.Clear(BackgroundColor);
canvas.Scale(_dpi);
WUX.Window.Current.Compositor.Render(_surface);
}
_gtkSurface !.MarkDirty();
cr.Save();
cr.Scale(1 / _dpi, 1 / _dpi);
cr.SetSourceSurface(_gtkSurface, 0, 0);
cr.Paint();
cr.Restore();
if (this.Log().IsEnabled(LogLevel.Trace))
{
sw?.Stop();
this.Log().Trace($"Frame: {sw?.Elapsed}");
}
return(true);
}
public void Dispose()
{
_bitmap?.Dispose();
_codec?.Dispose();
_image?.Dispose();
if (_disposeStream)
{
_stream?.Dispose();
}
}
protected override void Dispose(bool disposing)
{
_disposed = true;
foreach (ProfileElement profileElement in Children)
{
profileElement.Dispose();
}
_folderBitmap?.Dispose();
base.Dispose(disposing);
}
private bool disposedValue; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
SKBitmap?.Dispose();
SKBitmap = null;
}
disposedValue = true;
}
}
public void Dispose()
{
Font?.Dispose();
Font = null;
FontStream?.Dispose();
FontStream = null;
FontSource?.Dispose();
FontSource = null;
ImageBitmap?.Dispose();
ImageBitmap = null;
ImageData?.Dispose();
ImageData = null;
}
private static void UpdateImageSource(BindableObject bindable)
{
if (bindable is MenuItem item)
{
var resourceName = GetResourceName(bindable);
if (string.IsNullOrWhiteSpace(resourceName))
{
return;
}
var baseUrl = DependencyService.Get <IBaseUrl>();
var stream = baseUrl.GetDrawableImageStream(resourceName);
if (stream != null)
{
using (stream)
{
var bitmap = SKBitmap.Decode(stream);
SKBitmap newBitmap = null;
try
{
newBitmap = new SKBitmap(
Convert.ToInt32(bitmap.Width * BitmapScale),
Convert.ToInt32(bitmap.Height * BitmapScale));
using (var canvas = new SKCanvas(newBitmap))
{
var backgroundColor = GetBackgroundColor(bindable);
canvas.Clear(backgroundColor.ToSKColor());
canvas.DrawBitmap(bitmap, new SKRect(0, 0, newBitmap.Width, newBitmap.Height));
}
var newImageSource = (SKBitmapImageSource)newBitmap;
item.IconImageSource = newImageSource;
newBitmap = null;
}
finally
{
newBitmap?.Dispose();
}
}
}
}
}
private void RenderBitmap(SKCanvas canvas)
{
if (Image == null)
{
return;
}
if (_lastClipWidth != canvas.ClipDeviceBounds.Width || _scaledBitmap == null)
{
_scaledBitmap?.Dispose();
_scaledBitmap = ResizeBitmap(canvas.ClipDeviceBounds, Image.Data);
_lastClipWidth = canvas.ClipDeviceBounds.Width;
}
canvas.DrawBitmap(_scaledBitmap, 0, 0);
}
private async void LoadSkBitmap()
{
var path = ContentImg;
var newBitmap = await Task.Run(() =>
{
using (var stream = new SKFileStream(path))
{
return(SKBitmap.Decode(stream));
}
});
_contentBitmap?.Dispose();
_contentBitmap = newBitmap;
InvalidateSurface();
}
private static SKBitmap ZoomAndRotate(SKBitmap originalBitmap, double zoom, bool isRotated, float rotation, bool isKeystoned, float keystone)
{
var rotatedAndZoomed = new SKBitmap(originalBitmap.Width, originalBitmap.Height);
using (var tempCanvas = new SKCanvas(rotatedAndZoomed))
{
var zoomedX = originalBitmap.Width * zoom / -2f;
var zoomedY = originalBitmap.Height * zoom / -2f;
var zoomedWidth = originalBitmap.Width * (1 + zoom);
var zoomedHeight = originalBitmap.Height * (1 + zoom);
if (isRotated)
{
tempCanvas.RotateDegrees(rotation, originalBitmap.Width / 2f,
originalBitmap.Height / 2f);
}
tempCanvas.DrawBitmap(
originalBitmap,
SKRect.Create(
(float)zoomedX,
(float)zoomedY,
(float)zoomedWidth,
(float)zoomedHeight
)); // blows up the bitmap, which is cut off later
if (isRotated)
{
tempCanvas.RotateDegrees(rotation, -1 * originalBitmap.Width / 2f,
originalBitmap.Height / 2f);
}
}
SKBitmap keystoned = null;
if (isKeystoned)
{
keystoned = new SKBitmap(originalBitmap.Width, originalBitmap.Height);
using (var tempCanvas = new SKCanvas(keystoned))
{
tempCanvas.SetMatrix(TaperTransform.Make(new SKSize(originalBitmap.Width, originalBitmap.Height),
keystone > 0 ? TaperSide.Left : TaperSide.Right, TaperCorner.Both, 1 - Math.Abs(keystone)));
tempCanvas.DrawBitmap(rotatedAndZoomed, 0, 0);
rotatedAndZoomed.Dispose();
}
}
return(keystoned ?? rotatedAndZoomed);
}
public static SKBitmap CropImage(SKBitmap original, PointF cropTopLeft, PointF cropBottomRight)
{
var cropRect = new SKRectI
{
Left = (int)cropTopLeft.X,
Top = (int)cropTopLeft.Y,
Right = (int)cropBottomRight.X,
Bottom = (int)cropBottomRight.Y
};
SKBitmap bitmap = new SKBitmap(cropRect.Width, cropRect.Height);
original.ExtractSubset(bitmap, cropRect);
original.Dispose();
return(bitmap);
}
public void Dispose()
{
if (IconImage != null)
{
IconImage.Dispose();
}
if (RarityBackgroundImage != null)
{
RarityBackgroundImage.Dispose();
}
DisplayName = "";
ShortDescription = "";
Banner = "";
Price = 0;
Width = 0;
Height = 0;
}
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
aspectRatio = null;
touchPoints?.Clear();
touchPoints = null;
touchPointsInside?.Clear();
touchPointsInside = null;
}
bitmap?.Dispose();
bitmap = null;
disposedValue = true;
}
}
public void Dispose()
{
if (IconImage != null)
{
IconImage.Dispose();
}
if (RarityBackgroundImage != null)
{
RarityBackgroundImage.Dispose();
}
RarityColors = null;
DisplayName = "";
Description = "";
ShortDescription = "";
Height = 0;
Width = 0;
}
public SKBitmap CreateBitmap(TileTextureCollection c, int scale = 1, SKBitmap?bmp = null)
{
scale = Math.Max(scale, 1);
var expectedSize = ComputeRenderedSize(c);
expectedSize = new IntDimension(expectedSize.Width * scale, expectedSize.Height * scale);
if (bmp == null || bmp.Width != expectedSize.Width || bmp.Height != expectedSize.Height)
{
bmp?.Dispose();
bmp = new SKBitmap(expectedSize.Width, expectedSize.Height);
}
using var ctx = new SKCanvas(bmp);
ctx.Scale(scale, scale);
ctx.Clear(SKColor.Empty);
Produce(ctx, c);
return(bmp);
}
private void skiaView_PaintSurface(object sender, SKPaintSurfaceEventArgs e)
{
_skBitmap?.Dispose();
//载入底图
var filePath = Value < 0 ? $"{_imageFolder}/test.jpg" : $"{_imageFolder}/{Value % 5}.jpg";
_skBitmap = SKBitmap.Decode(filePath);
// the the canvas and properties
var canvas = e.Surface.Canvas;
//绘图
DrawSkia(canvas, e.Info, _skBitmap, labelDisplay.Text);
if (Value >= 0)
{
labelRecvNumber.Text = (++_recvNumber).ToString();
}
}
public SKBitmap GetThumbnail(SKBitmap originalImage, Size thumbnailArea)
{
if (originalImage == null)
throw new ArgumentNullException(nameof(originalImage));
var originalSize = new Size(originalImage.Width, originalImage.Height);
var thumbnailSize = GetThumbnailSize(originalSize, thumbnailArea);
var thumbnail = new SKBitmap(thumbnailSize.Width, thumbnailSize.Height);
try
{
originalImage.Resize(thumbnail, SKBitmapResizeMethod.Mitchell);
}
catch (Exception)
{
thumbnail.Dispose();
throw;
}
return thumbnail;
}
