public void TestAtlasSecondRowAddRespectsWhitePixelSize()
{
const int atlas_size = 1024;
var atlas = new TextureAtlas(atlas_size, atlas_size);
TextureGL texture = atlas.Add(atlas_size - 2 * TextureAtlas.PADDING, 64);
RectangleF rect = texture.GetTextureRect(null);
Assert.GreaterOrEqual(atlas_size * rect.X, TextureAtlas.PADDING, message: "Texture has insufficient padding");
Assert.GreaterOrEqual(atlas_size * rect.Y, TextureAtlas.WHITE_PIXEL_SIZE + TextureAtlas.PADDING, message: "Texture is placed on top of the white pixel");
}
private void testWithSize(int width, int height)
{
TextureAtlas atlas = new TextureAtlas(1024, 1024);
TextureGL texture = atlas.Add(width, height);
if (texture != null)
{
Assert.AreEqual(texture.Width, width, message: $"Width: {texture.Width} != {width} for texture {width}x{height}");
Assert.AreEqual(texture.Height, height, message: $"Height: {texture.Height} != {height} for texture {width}x{height}");
RectangleF rect = texture.GetTextureRect(null);
Assert.LessOrEqual(rect.X + rect.Width, 1, message: $"Returned texture is wider than TextureAtlas for texture {width}x{height}");
Assert.LessOrEqual(rect.Y + rect.Height, 1, message: $"Returned texture is taller than TextureAtlas for texture {width}x{height}");
}
else
{
Assert.True(width > 1024 - TextureAtlas.PADDING * 2 || height > 1024 - TextureAtlas.PADDING * 2 ||
(width > 1024 - TextureAtlas.PADDING * 2 - TextureAtlas.WHITE_PIXEL_SIZE &&
height > 1024 - TextureAtlas.PADDING * 2 - TextureAtlas.WHITE_PIXEL_SIZE),
message: $"Returned texture is null, but should have fit: {width}x{height}");
}
}
public RectangleF GetTextureRect(RectangleF?textureRect = null)
{
return(TextureGL.GetTextureRect(textureBounds(textureRect)));
}
