private void AllPixelsShouldBeEqualTo(Surface surface, Color color)
{
var pixels = new ColorARGB8888[surface.PixelCount];
surface.ReadPixels(ref pixels);
AllPixelsShouldBeEqualTo(pixels, color);
}
public void ShouldBlitInSpecifiedRectangles()
{
var color = Color.Red;
var source = Surface.Create(2, 2);
var destination = Surface.Create(10, 10);
var expected = new[] {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}.Select(v => v > 0 ? color : new Color())
.Select(c => new ColorARGB8888(c));
source.Fill(color, new Rectangle(0, 0, 1, 1));
source.BlitTo(destination,
srcRect: new Rectangle(0, 0, 1, 1),
dstRect: new Rectangle(2, 1, 5, 4));
var actual = new ColorARGB8888[destination.PixelCount];
destination.ReadPixels(ref actual);
actual.Should().BeEquivalentTo(expected);
source.Dispose();
destination.Dispose();
}
public void ShouldFillSpecifiedRectangles()
{
var surface = Surface.Create(10, 10);
var expected = new[] {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
0, 0, 1, 1, 1, 1, 1, 1, 0, 0,
0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}.Select(v => v > 0 ? TestColor : new Color())
.Select(c => new ColorARGB8888(c));
surface.Fill(TestColor,
new Rectangle(2, 1, 5, 4),
new Rectangle(3, 4, 5, 3));
var actual = new ColorARGB8888[expected.Count()];
surface.ReadPixels(ref actual);
actual.Should().BeEquivalentTo(expected);
surface.Dispose();
}
public void ShouldConvertPixels()
{
var width = 10;
var height = 10;
var count = width * height;
var stride = width * 4; // 4 bytes per pixel
var before = Enumerable.Repeat <ColorRGBA8888>(
new ColorRGBA8888(Color.FromArgb(unchecked ((int)0xDEADBEEF))),
count
).ToArray();
var after = new ColorARGB8888[count];
Pixels.Convert(width, height, stride, stride, ref before, ref after);
ShouldBeEquivalent(before, after);
}
public void ShouldConvertPixelDataIfFormatsAreDifferent()
{
var surface = Surface.Create(10, 10, PixelFormat.Format_RGBA8888);
var pixels = Enumerable.Repeat <ColorARGB8888>(
new ColorARGB8888(TestColor), surface.PixelCount).ToArray();
// Read and convert the current pixel data
var currentPixels = new ColorARGB8888[surface.PixelCount];
surface.ReadPixels(ref currentPixels);
AllPixelsShouldBeEqualTo(currentPixels, new Color());
// Convert and set the pixel data
surface.SetPixelData(ref pixels);
surface.ReadPixels(ref currentPixels);
currentPixels.Should().BeEquivalentTo(pixels);
surface.Dispose();
}
