public void SameColorSpaceCreatedDifferentWaysAreTheSameObject()
{
var colorspace1 = SKColorSpace.CreateSrgbLinear();
Assert.Equal("SkiaSharp.SKColorSpace+SKColorSpaceStatic", colorspace1.GetType().FullName);
Assert.Equal(2, colorspace1.GetReferenceCount());
var colorspace2 = SKColorSpace.CreateRgb(SKNamedGamma.Linear, SKColorSpaceGamut.Srgb);
Assert.Equal("SkiaSharp.SKColorSpace+SKColorSpaceStatic", colorspace2.GetType().FullName);
Assert.Equal(2, colorspace2.GetReferenceCount());
Assert.Same(colorspace1, colorspace2);
var colorspace3 = SKColorSpace.CreateRgb(
new SKColorSpaceTransferFn {
A = 0.6f, B = 0.5f, C = 0.4f, D = 0.3f, E = 0.2f, F = 0.1f
},
SKMatrix44.CreateIdentity());
Assert.NotSame(colorspace1, colorspace3);
colorspace3.Dispose();
Assert.True(colorspace3.IsDisposed);
Assert.Equal(2, colorspace1.GetReferenceCount());
colorspace2.Dispose();
Assert.False(colorspace2.IsDisposed);
Assert.Equal(2, colorspace1.GetReferenceCount());
colorspace1.Dispose();
Assert.False(colorspace1.IsDisposed);
Assert.Equal(2, colorspace1.GetReferenceCount());
}
public unsafe void ReferencesCountedCorrectly()
{
var colorspace = SKColorSpace.CreateRgb(
new SKColorSpaceTransferFn {
A = 0.1f, B = 0.2f, C = 0.3f, D = 0.4f, E = 0.5f, F = 0.6f
},
SKMatrix44.CreateIdentity());
var handle = colorspace.Handle;
Assert.Equal(1, handle.GetReferenceCount(false));
var info = new SKImageInfo(1, 1, SKImageInfo.PlatformColorType, SKAlphaType.Premul, colorspace);
Assert.Equal(1, handle.GetReferenceCount(false));
var pixels = new byte[info.BytesSize];
fixed(byte *p = pixels)
{
var pixmap = new SKPixmap(info, (IntPtr)p);
Assert.Equal(2, handle.GetReferenceCount(false));
pixmap.Dispose();
Assert.Equal(1, handle.GetReferenceCount(false));
}
GC.KeepAlive(colorspace);
}
private static void Main(string[] args)
{
Console.WriteLine($"Generated class {typeof(Camera)} from Svg file.");
Console.WriteLine($"Generated class {typeof(Tiger)} from Svg file.");
Console.WriteLine($"Generated class {typeof(Ellipse)} from Svg file.");
Console.WriteLine($"Generated class {typeof(Rect)} from Svg file.");
Console.WriteLine($"Generated class {typeof(Svg_pservers_pattern_01_b)} from Svg file.");
var sw = new Stopwatch();
sw.Start();
using var cameraStream = File.OpenWrite("__AJ_Digital_Camera.png");
Camera.Picture.ToImage(cameraStream, SKColors.Transparent, SKEncodedImageFormat.Png, 100, 1, 1, SKImageInfo.PlatformColorType, SKAlphaType.Unpremul, SKColorSpace.CreateRgb(SKColorSpaceTransferFn.Srgb, SKColorSpaceXyz.Srgb));
sw.Stop();
Console.WriteLine($"Created __AJ_Digital_Camera.png in {sw.Elapsed.TotalMilliseconds}ms");
sw.Reset();
sw.Start();
using var tigerStream = File.OpenWrite("__tiger.png");
Tiger.Picture.ToImage(tigerStream, SKColors.Transparent, SKEncodedImageFormat.Png, 100, 1, 1, SKImageInfo.PlatformColorType, SKAlphaType.Unpremul, SKColorSpace.CreateRgb(SKColorSpaceTransferFn.Srgb, SKColorSpaceXyz.Srgb));
sw.Stop();
Console.WriteLine($"Created __tiger.png in {sw.Elapsed.TotalMilliseconds}ms");
sw.Reset();
sw.Start();
using var ellipseStream = File.OpenWrite("e-ellipse-001.png");
Ellipse.Picture.ToImage(ellipseStream, SKColors.Transparent, SKEncodedImageFormat.Png, 100, 1, 1, SKImageInfo.PlatformColorType, SKAlphaType.Unpremul, SKSvgSettings.s_srgb);
sw.Stop();
Console.WriteLine($"Created e-ellipse-001.png in {sw.Elapsed.TotalMilliseconds}ms");
sw.Reset();
sw.Start();
using var rectStream = File.OpenWrite("e-rect-001.png");
Rect.Picture.ToImage(rectStream, SKColors.Transparent, SKEncodedImageFormat.Png, 100, 1, 1, SKImageInfo.PlatformColorType, SKAlphaType.Unpremul, SKSvgSettings.s_srgb);
sw.Stop();
Console.WriteLine($"Created e-rect-001.png in {sw.Elapsed.TotalMilliseconds}ms");
sw.Reset();
sw.Start();
using var patternStream = File.OpenWrite("pservers-pattern-01-b.png");
Svg_pservers_pattern_01_b.Picture.ToImage(patternStream, SKColors.Transparent, SKEncodedImageFormat.Png, 100, 1, 1, SKImageInfo.PlatformColorType, SKAlphaType.Unpremul, SKSvgSettings.s_srgb);
sw.Stop();
Console.WriteLine($"Created pservers-pattern-01-b.png in {sw.Elapsed.TotalMilliseconds}ms");
}
public void ImageInfoColorSpaceIsReferencedCorrectly()
{
VerifyImmediateFinalizers();
var img = DoWork(out var colorspaceHandle);
CollectGarbage();
Assert.Equal(1, colorspaceHandle.GetReferenceCount(true));
Check();
CollectGarbage();
Assert.Equal(1, colorspaceHandle.GetReferenceCount(true));
void Check()
{
var peek = img.PeekPixels();
Assert.Equal(2, colorspaceHandle.GetReferenceCount(true));
// get the info and color space
var info1 = peek.Info;
var cs1 = info1.ColorSpace;
Assert.Equal(3, colorspaceHandle.GetReferenceCount(true));
Assert.NotNull(cs1);
// get the info and color space again and make sure we are all using the same things
var info2 = peek.Info;
var cs2 = info2.ColorSpace;
Assert.Equal(3, colorspaceHandle.GetReferenceCount(true));
Assert.NotNull(cs2);
Assert.Same(cs1, cs2);
}
SKImage DoWork(out IntPtr handle)
{
var colorspace = SKColorSpace.CreateRgb(
new SKColorSpaceTransferFn {
A = 0.6f, B = 0.5f, C = 0.4f, D = 0.3f, E = 0.2f, F = 0.1f
},
SKMatrix44.CreateIdentity());
Assert.NotNull(colorspace);
handle = colorspace.Handle;
Assert.Equal(1, handle.GetReferenceCount(true));
var info = new SKImageInfo(100, 100, SKImageInfo.PlatformColorType, SKAlphaType.Premul, colorspace);
Assert.Equal(1, handle.GetReferenceCount(true));
var image = SKImage.Create(info);
Assert.Equal(2, handle.GetReferenceCount(true));
return(image);
}
}
public void ColorSpaceIsNotDisposedPrematurely()
{
VerifyImmediateFinalizers();
var img = DoWork(out var colorSpaceHandle, out var weakColorspace);
CheckBeforeCollection(colorSpaceHandle);
CheckExistingImage(3, img, colorSpaceHandle);
CollectGarbage();
Assert.Null(weakColorspace.Target);
Assert.Equal(1, colorSpaceHandle.GetReferenceCount(true));
CheckExistingImage(2, img, colorSpaceHandle);
CollectGarbage();
Assert.Null(weakColorspace.Target);
Assert.Equal(1, colorSpaceHandle.GetReferenceCount(true));
CollectGarbage();
Assert.Equal(1, colorSpaceHandle.GetReferenceCount(true));
GC.KeepAlive(img);
void CheckBeforeCollection(IntPtr csh)
{
Assert.NotNull(weakColorspace.Target);
Assert.Equal(2, csh.GetReferenceCount(true));
}
void CheckExistingImage(int expected, SKImage image, IntPtr csh)
{
var peek = image.PeekPixels();
Assert.Equal(expected, csh.GetReferenceCount(true));
var info = peek.Info;
Assert.Equal(3, csh.GetReferenceCount(true));
var cs = info.ColorSpace;
Assert.Equal(3, csh.GetReferenceCount(true));
Assert.NotNull(cs);
}
SKImage DoWork(out IntPtr handle, out WeakReference weak)
{
var colorspace = SKColorSpace.CreateRgb(
new SKColorSpaceTransferFn {
A = 0.1f, B = 0.2f, C = 0.3f, D = 0.4f, E = 0.5f, F = 0.6f
},
SKMatrix44.CreateIdentity());
Assert.NotNull(colorspace);
handle = colorspace.Handle;
weak = new WeakReference(colorspace);
Assert.Equal(1, handle.GetReferenceCount(true));
var info = new SKImageInfo(100, 100, SKImageInfo.PlatformColorType, SKAlphaType.Premul, colorspace);
Assert.Equal(1, handle.GetReferenceCount(true));
var image = SKImage.Create(info);
Assert.Equal(2, handle.GetReferenceCount(true));
return(image);
}
}