public void CopyFromInvalidArgs()
{
var result = new PixelBuffer(PixelFormat.ABGR8888, new Size(40, 50));
AssertX.Throws <ArgumentNullException>(() => result.CopyFrom(null, new Rectangle(), Point.Zero, true));
AssertX.Throws <ArgumentOutOfRangeException>(() => result.CopyFrom(src, new Rectangle(-4, -4, 4, 4), Point.Zero, true));
AssertX.Throws <ArgumentOutOfRangeException>(() => result.CopyFrom(src, new Rectangle(0, 0, 4, 4), new Point(-4, -4), true));
AssertX.Throws <ArgumentException>(() => result.CopyFrom(src, new Rectangle(0, 0, 30, 20), new Point(39, 49), false));
AssertX.Throws <ArgumentException>(() => result.CopyFrom(src, new Rectangle(0, 0, 30, 20), new Point(0, 49), false));
}
public void CopyFromDifferentFormat()
{
var result = new PixelBuffer(PixelFormat.ARGB8888, new Size(30, 20));
result.CopyFrom(src, new Rectangle(Point.Zero, src.Size), Point.Zero, false);
VerifyCopyResult(result);
}
public void CopyPixels()
{
var result = new PixelBuffer(PixelFormat.ABGR8888, new Size(40, 50));
var destPt = new Point(5, 5);
result.CopyFrom(src, new Rectangle(0, 0, 30, 20), destPt, true);
VerifyCopyResult(result, src, destPt);
}
/// <summary>
/// Writes pixel data to the surface.
/// </summary>
/// <param name="buffer"></param>
/// <param name="startPoint"></param>
public virtual void WritePixels(PixelBuffer buffer, Point startPoint)
{
// poor man's method
PixelBuffer pixels = ReadPixels(PixelFormat.RGBA8888);
pixels.CopyFrom(buffer, new Rectangle(Point.Empty, buffer.Size), startPoint, false);
WritePixels(pixels);
}
public void CopyFromSkipTransparent()
{
var result = new PixelBuffer(PixelFormat.ARGB8888, new Size(30, 20));
src.SetPixel(0, 0, Color.FromArgb(0, 255, 255, 255));
result.CopyFrom(src, new Rectangle(Point.Zero, src.Size), Point.Zero, false, true);
VerifyCopyResult(result);
}
public void PixelsEqualSameFormat()
{
var result = new PixelBuffer(PixelFormat.ABGR8888, src.Size);
result.CopyFrom(src, new Rectangle(Point.Zero, src.Size), Point.Zero, false);
VerifyCopyResult(result);
Assert.IsTrue(PixelBuffer.PixelsEqual(result, src));
result.SetPixel(0, 0, Color.Black);
Assert.IsFalse(PixelBuffer.PixelsEqual(src, result));
}
/// <summary>
/// Builds a surface of the specified size, using the information
/// generated by the SurfacePacker.
/// </summary>
/// <param name="size"></param>
/// <param name="packedRects"></param>
/// <returns></returns>
public virtual Surface BuildPackedSurface(Size size, SurfacePacker.RectPacker <Surface> packedRects)
{
PixelBuffer buffer = new PixelBuffer(Display.DefaultSurfaceFormat, size);
foreach (SurfacePacker.RectHolder <Surface> rect in packedRects)
{
Surface surf = rect.Tag;
Rectangle dest = rect.Rect;
PixelBuffer pixels = surf.ReadPixels();
buffer.CopyFrom(pixels, new Rectangle(Point.Empty, surf.SurfaceSize),
dest.Location, false);
}
Surface retval = new Surface(buffer);
foreach (SurfacePacker.RectHolder <Surface> rect in packedRects)
{
rect.Tag.SetSourceSurface(retval, rect.Rect);
}
return(retval);
}
