private void LogVersion()
{
// test an operation that requires the native library
SKPMColor.PreMultiply(SKColors.Black);
_logger.Info("SkiaSharp version: " + GetVersion());
}
public void CanUnPreultiplyArrays()
{
var colors = new SKColor[] { 0x33008200, 0x33008200, 0x33008200, 0x33008200, 0x33008200 };
var pmcolors = new SKPMColor[] { 0x33001A00, 0x33001A00, 0x33001A00, 0x33001A00, 0x33001A00 };
var upm = SKPMColor.UnPreMultiply(pmcolors);
Assert.Equal(colors, upm);
}
/// <summary>
/// Check if the native lib is available.
/// </summary>
/// <returns>True if the native lib is available, otherwise false.</returns>
public static bool IsNativeLibAvailable()
{
try
{
// test an operation that requires the native library
SKPMColor.PreMultiply(SKColors.Black);
return(true);
}
catch (Exception)
{
return(false);
}
}
public void MembersRetrieveSingleColorWithAlpha()
{
var c = (SKColor)0x33008200;
var pm = SKPMColor.PreMultiply(c);
var upm = SKPMColor.UnPreMultiply(pm);
Assert.AreEqual(new SKColor(0x33008200), c);
Assert.AreEqual(new SKPMColor(0x33001A00), pm);
Assert.AreEqual(new SKColor(0x33008200), upm);
var ctContents = new[] { pm };
var ct = new SKColorTable(ctContents, 1);
Assert.AreEqual(1, ct.Count);
Assert.AreEqual(new SKPMColor(0x33001A00), ct[0]);
}
/// <summary>
/// Test to determine if the native lib is available
/// </summary>
public static void TestSkia()
{
// test an operation that requires the native library
SKPMColor.PreMultiply(SKColors.Black);
}