public void IndexerOutOfRangeAbove()
{
var colorTable = new SKColorTable(Colors);
Assert.Throws <ArgumentOutOfRangeException>(() =>
{
var color = colorTable[250];
});
}
public void CreateIndex8Bitmap()
{
var info = new SKImageInfo(320, 240, SKColorType.Index8, SKAlphaType.Opaque);
var ct = new SKColorTable(Colors);
var bitmap = new SKBitmap(info, ct);
Assert.IsNotNull(bitmap);
Assert.AreEqual(ct, bitmap.ColorTable);
}
public void MembersRetrieveColors()
{
var colorTable = new SKColorTable(Colors);
Assert.Equal(Colors.Length, colorTable.Count);
Assert.Equal(Colors, colorTable.Colors);
Assert.Equal(Colors[0], colorTable[0]);
Assert.Equal(Colors[1], colorTable[1]);
Assert.Equal(Colors[2], colorTable[2]);
Assert.Equal(Colors[3], colorTable[3]);
Assert.Equal(Colors[4], colorTable[4]);
}
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]);
}
public void MembersRetrieveColors()
{
var colorTable = new SKColorTable(Colors);
Assert.AreEqual(Colors.Length, colorTable.Count);
Assert.AreEqual(PMColors, colorTable.Colors);
Assert.AreEqual(Colors, colorTable.UnPreMultipledColors);
Assert.AreEqual(PMColors[0], colorTable[0]);
Assert.AreEqual(PMColors[1], colorTable[1]);
Assert.AreEqual(PMColors[2], colorTable[2]);
Assert.AreEqual(PMColors[3], colorTable[3]);
Assert.AreEqual(PMColors[4], colorTable[4]);
Assert.AreEqual(PMColors[5], colorTable[5]);
Assert.AreNotEqual(Colors[0], colorTable[0]);
Assert.AreNotEqual(Colors[1], colorTable[1]);
Assert.AreNotEqual(Colors[2], colorTable[2]);
Assert.AreNotEqual(Colors[3], colorTable[3]);
Assert.AreNotEqual(Colors[4], colorTable[4]);
Assert.AreNotEqual(Colors[5], colorTable[5]);
}
public void Index8ImageCanChangeColorTable()
{
var path = Path.Combine(PathToImages, "index8.png");
var codec = SKCodec.Create(new SKFileStream(path));
var info = new SKImageInfo(codec.Info.Width, codec.Info.Height, SKColorType.Index8, SKAlphaType.Premul);
var bitmap = SKBitmap.Decode(codec, info);
var colorTable = bitmap.ColorTable;
Assert.AreEqual((SKColor)0xFFA4C639, colorTable.GetUnPreMultipliedColor(255));
var invertedColors = colorTable.Colors.Select(c =>
{
var c2 = (SKColor)c;
var inv = new SKColor((byte)(255 - c2.Red), (byte)(255 - c2.Green), (byte)(255 - c2.Blue), c2.Alpha);
return((SKPMColor)inv);
}).ToArray();
colorTable = new SKColorTable(invertedColors);
bitmap.SetColorTable(colorTable);
Assert.AreEqual((SKColor)0xFF5B39C6, colorTable.GetUnPreMultipliedColor(255));
}
public void IndexerOutOfRangeAbove()
{
var colorTable = new SKColorTable(Colors);
var color = colorTable[5];
}
public void IndexerOutOfRangeBelow()
{
var colorTable = new SKColorTable(Colors);
var color = colorTable[-1];
}
