public void SubsetEncodesSubset(float xRatio, float yRatio, float wRatio, float hRatio)
{
var path = Path.Combine(PathToImages, "baboon.jpg");
using var image = SKImage.FromEncodedData(path);
var width = image.Width;
var height = image.Height;
var rect = new SKRectI(0, 0, width, height);
var subset = image;
if (xRatio != 0 || yRatio != 0 || wRatio != 0 || hRatio != 0)
{
var floatingRect = new SKRect(width * xRatio, height * yRatio, width * wRatio, height * hRatio);
rect = SKRectI.Floor(floatingRect);
subset = image.Subset(rect);
}
using var encoded = subset.Encode();
using var img2 = SKImage.FromEncodedData(encoded);
Assert.Equal(rect.Width, img2.Width);
Assert.Equal(rect.Height, img2.Height);
var subsetPixels = GetPixels(subset);
var img2Pixels = GetPixels(img2);
Assert.Equal(subsetPixels, img2Pixels);
public void SKRectIFloorWorksAsExpected()
{
Assert.Equal(new SKRectI(5, 5, 20, 20), SKRectI.Floor(new SKRect(5.5f, 5.5f, 20.5f, 20.5f)));
Assert.Equal(new SKRectI(6, 6, 20, 20), SKRectI.Floor(new SKRect(5.5f, 5.5f, 20.5f, 20.5f), true));
Assert.Equal(new SKRectI(5, 5, 20, 20), SKRectI.Floor(new SKRect(5.4f, 5.6f, 20.4f, 20.6f)));
Assert.Equal(new SKRectI(6, 6, 20, 20), SKRectI.Floor(new SKRect(5.4f, 5.6f, 20.4f, 20.6f), true));
Assert.Equal(new SKRectI(20, 20, 5, 5), SKRectI.Floor(new SKRect(20.4f, 20.6f, 5.4f, 5.6f)));
Assert.Equal(new SKRectI(20, 20, 6, 6), SKRectI.Floor(new SKRect(20.4f, 20.6f, 5.4f, 5.6f), true));
}
