/// <summary>
/// Saves the specified render target as an image with the specified format.
/// </summary>
/// <param name="renderTarget">The render target to save.</param>
/// <param name="stream">The stream to which to save the render target data.</param>
/// <param name="format">The format with which to save the image.</param>
private void Save(RenderTarget2D renderTarget, Stream stream, ImageFormat format)
{
var data = new Color[renderTarget.Width * renderTarget.Height];
renderTarget.GetData(data);
Save(data, renderTarget.Width, renderTarget.Height, stream, format);
}
/// <inheritdoc/>
public override void SaveAsPng(RenderTarget2D renderTarget, Stream stream)
{
Contract.Require(renderTarget, nameof(renderTarget));
Contract.Require(stream, nameof(stream));
var data = new Color[renderTarget.Width * renderTarget.Height];
renderTarget.GetData(data);
Save(data, renderTarget.Width, renderTarget.Height, stream, img => img.AsPNG());
}
/// <inheritdoc/>
public override void SaveAsPng(RenderTarget2D renderTarget, Stream stream)
{
Contract.Require(renderTarget, "renderTarget");
Contract.Require(stream, "stream");
var data = new Color[renderTarget.Width * renderTarget.Height];
renderTarget.GetData(data);
Save(data, renderTarget.Width, renderTarget.Height, stream, asPng: true);
}
/// <summary>
/// Converts the specified render target to a bitmap image.
/// </summary>
/// <param name="rt">The render target to convert.</param>
/// <returns>The converted bitmap image.</returns>
private Bitmap ConvertRenderTargetToBitmap(RenderTarget2D rt)
{
var data = new Color[rt.Width * rt.Height];
rt.GetData(data);
var bmp = new Bitmap(rtarget.Width, rtarget.Height);
var pixel = 0;
for (int y = 0; y < rtarget.Height; y++)
{
for (int x = 0; x < rtarget.Width; x++)
{
bmp.SetPixel(x, y, System.Drawing.Color.FromArgb((int)data[pixel++].ToArgb()));
}
}
return bmp;
}
/// <summary>
/// Converts the specified render target to a bitmap image.
/// </summary>
/// <param name="rt">The render target to convert.</param>
/// <returns>The converted bitmap image.</returns>
private Bitmap ConvertRenderTargetToBitmap(RenderTarget2D rt)
{
// HACK: Our buffer has been rounded up to the nearest
// power of two, so at this point we clip it back down
// to the size of the window.
var window = Ultraviolet.GetPlatform().Windows.GetPrimary();
var windowWidth = window.DrawableSize.Width;
var windowHeight = window.DrawableSize.Height;
var data = new Color[rt.Width * rt.Height];
rt.GetData(data);
var bmp = new Bitmap(windowWidth, windowHeight);
var pixel = 0;
for (int y = 0; y < rt.Height; y++)
{
for (int x = 0; x < rt.Width; x++)
{
if (x < windowWidth && y < windowHeight)
{
bmp.SetPixel(x, y, System.Drawing.Color.FromArgb((int)data[pixel].ToArgb()));
}
pixel++;
}
}
return bmp;
}
