private void ResetMagnification()
{
if (!Magnification.MagSetFullscreenTransform(1, 0, 0))
{
throw new Exception(Kernel32.GetLastError().ToString());
}
}
private void SetMagnification(User32.WINDOWINFO windowInfo)
{
var width = windowInfo.rcClient.GetWidth();
var height = windowInfo.rcClient.GetHeight();
var isHigherThanWider = desktopHeight / height <= desktopWidth / width;
var magnification = isHigherThanWider ?
(float)desktopHeight / height :
(float)desktopWidth / width;
var xOffset = Math.Max(0, isHigherThanWider ?
(int)Math.Ceiling((desktopWidth / magnification - width) / 2f) :
(int)Math.Floor((desktopWidth / magnification - width) / 2f)
);
var yOffset = Math.Max(0, isHigherThanWider ?
(int)Math.Floor((desktopHeight / magnification - height) / 2f) :
(int)Math.Ceiling((desktopHeight / magnification - height) / 2f)
);
if (!Magnification.MagSetFullscreenTransform(magnification, windowInfo.rcClient.left - xOffset, windowInfo.rcClient.top - yOffset))
{
throw new Exception(Kernel32.GetLastError().ToString());
}
}
/// <inheritdoc />
public async Task Execute()
{
var res = Magnification.MagInitialize();
if (!res)
{
Console.WriteLine("Failed to initialize magnification API");
return;
}
var timeoutSet = int.TryParse(_configuration["zoomer_sleep_time"], out var sleepTime);
var rnd = new Random();
while (true)
{
Magnification.MagSetFullscreenTransform(rnd.NextFloat(1, 6), rnd.Next(10, 500), rnd.Next(10, 500));
if (timeoutSet)
{
await Task.Delay(sleepTime);
}
}
}
