/// <overloads>
/// Makes the <see cref="BitmapBuffer"/> fully opaque.</overloads>
/// <summary>
/// Makes the <see cref="BitmapBuffer"/> fully opaque.</summary>
/// <remarks>
/// <b>MakeOpaque</b> replaces all <see cref="Pixels"/> elements with their <see
/// cref="BitmapUtility.OpaquePbgra32"/> equivalents. Fully transparent pixels remain
/// unchanged.</remarks>
public void MakeOpaque()
{
for (int i = 0; i < _pixels.Length; i++)
{
_pixels[i] = BitmapUtility.OpaquePbgra32(_pixels[i]);
}
}
/// <summary>
/// Makes the specified rectangle in the <see cref="BitmapBuffer"/> fully opaque.</summary>
/// <param name="bounds">
/// The pixel rectangle in the <see cref="BitmapBuffer"/> to make opaque.</param>
/// <remarks>
/// <b>MakeOpaque</b> replaces all <see cref="Pixels"/> elements within the specified
/// <paramref name="bounds"/> with their <see cref="BitmapUtility.OpaquePbgra32"/>
/// equivalents. Fully transparent pixels remain unchanged. No coordinate checking is
/// performed.</remarks>
public void MakeOpaque(RectI bounds)
{
int offset = bounds.X + _size.Width * bounds.Y;
for (int y = 0; y < bounds.Height; y++)
{
for (int x = 0; x < bounds.Width; x++)
{
int i = offset + x;
_pixels[i] = BitmapUtility.OpaquePbgra32(_pixels[i]);
}
offset += _size.Width;
}
}
public void OpaquePbgra32()
{
Assert.AreEqual(0xFF203040, BitmapUtility.OpaquePbgra32(0xFF203040));
Assert.AreEqual(0xFF1E2E3E, BitmapUtility.OpaquePbgra32(0x7F0F171F));
Assert.AreEqual(0x00000000, BitmapUtility.OpaquePbgra32(0x00000000));
}
