protected override void OnSourceInitialized(EventArgs e)
{
var hwndSource = PresentationSource.FromVisual(this) as HwndSource;
if (hwndSource != null)
{
var style = User32.GetWindowLongEx(hwndSource.Handle);
style |= WindowExStyles.WS_EX_TOOLWINDOW | WindowExStyles.WS_EX_NOACTIVATE | WindowExStyles.WS_EX_TRANSPARENT;
User32.SetWindowLongEx(hwndSource.Handle, style);
}
RECT rect;
if (NativeMethods.GetWindowRect(this._target, out rect))
{
var targetWidth = rect.Right - rect.Left;
var targetHeight = rect.Bottom - rect.Top;
var dpi = PerMonitorDpi.GetDpi(this._target);
var width = this.ActualWidth * dpi.ScaleX;
var height = this.ActualHeight * dpi.ScaleY;
this.Left = (rect.Left + (targetWidth - width) / 2) / dpi.ScaleX;
this.Top = (rect.Top + (targetHeight - height) / 2) / dpi.ScaleY;
}
base.OnSourceInitialized(e);
}
private Rect GetExtendFrameBounds()
{
RECT frameBounds;
Dwmapi.DwmGetWindowAttribute(this.Handle, DWMWINDOWATTRIBUTE.DWMWA_EXTENDED_FRAME_BOUNDS, out frameBounds, Marshal.SizeOf(typeof(RECT)));
var dpi = PerMonitorDpi.GetDpi(this.Handle);
var l = frameBounds.Left * (1 / dpi.ScaleX);
var t = frameBounds.Top * (1 / dpi.ScaleY);
var w = (frameBounds.Right - frameBounds.Left) * (1 / dpi.ScaleX);
var h = (frameBounds.Bottom - frameBounds.Top) * (1 / dpi.ScaleY);
return(new Rect(l, t, w, h));
}
public static Icon GetIconFromResource(Uri uri)
{
var streamResourceInfo = System.Windows.Application.GetResourceStream(uri);
if (streamResourceInfo == null)
{
throw new ArgumentException("Resource not found.", nameof(uri));
}
var dpi = PerMonitorDpi.GetDpi(IntPtr.Zero); // get desktop dpi
using (var stream = streamResourceInfo.Stream)
{
return(new Icon(stream, new Size((int)(16 * dpi.ScaleX), (int)(16 * dpi.ScaleY))));
}
}
protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
RECT rect;
if (NativeMethods.GetWindowRect(this._target, out rect))
{
var targetWidth = rect.Right - rect.Left;
var targetHeight = rect.Bottom - rect.Top;
var dpi = PerMonitorDpi.GetDpi(this._target);
var width = this.ActualWidth * dpi.ScaleX;
var height = this.ActualHeight * dpi.ScaleY;
this.Left = (rect.Left + (targetWidth - width) / 2) / dpi.ScaleX;
this.Top = (rect.Top + (targetHeight - height) / 2) / dpi.ScaleY;
}
}
private void UpdateCore()
{
var positionDpi = this._systemDpi;
if (PerMonitorDpi.IsSupported)
{
var currentDpi = PerMonitorDpi.GetDpi(this.Owner.Handle);
if (currentDpi != this.CurrentDpi)
{
this.DpiScaleTransform = currentDpi == this._systemDpi
? Transform.Identity
: new ScaleTransform((double)currentDpi.X / this._systemDpi.X, (double)currentDpi.Y / this._systemDpi.Y);
this.CurrentDpi = currentDpi;
}
}
var left = this.GetLeft(positionDpi);
var top = this.GetTop(positionDpi);
var width = this.GetWidth(positionDpi);
var height = this.GetHeight(positionDpi);
User32.SetWindowPos(this._handle, this.Owner.Handle, left, top, width, height, SetWindowPosFlags.SWP_NOACTIVATE);
}
/// <summary>
/// キャプチャのコア処理。
/// </summary>
/// <param name="target">キャプチャ対象</param>
/// <returns>キャプチャ画像</returns>
protected override Bitmap CaptureCore(Rectangle?target)
{
return(ScreenHelper.CaptureScreen(target.Value.ToPhysicalPixel(PerMonitorDpi.GetDpi(target.Value))));
}
private static Dpi GetMonitorDpi()
{
return PerMonitorDpi.GetDpi(IntPtr.Zero);
}
/// <summary>
/// InternetExplorerのページ全体をキャプチャします。
/// </summary>
/// <param name="handle">ウィンドウハンドル</param>
/// <returns>ビットマップ</returns>
private Bitmap InternetExplorerCapture(IntPtr handle)
{
var isScrollWindowPageTop = Settings.General.IsWebPageCaptureStartWhenPageFirstMove.Value;
var scrollDelayTime = Settings.General.ScrollDelayTime.Value;
var fixHeaderHeight = Settings.General.FixHeaderHeight.Value;
using (InternetExplorer ie = new InternetExplorer(handle, scrollDelayTime))
{
// DPI取得
var dpi = PerMonitorDpi.GetDpi(handle);
// クライアント領域、スクロール位置、スクロールサイズの取得
Rectangle client = ie.Client;
Point scrollPoint = ie.ScrollPoint;
Size scrollSize = ie.ScrollSize;
// ページ先頭移動フラグが設定されている場合、スクロール位置をページ先頭に設定する
if (isScrollWindowPageTop)
{
scrollPoint = ie.ScrollTo(0, 0);
}
// 出力先のビットマップ生成
// クライアント領域の幅 x (スクロール領域の高さ - スクロール位置Y)
var bmpWidth = (int)((scrollSize.Width - scrollPoint.X) * dpi.ScaleX);
var bmpHeight = (int)((scrollSize.Height - scrollPoint.Y) * dpi.ScaleY);
Bitmap bmp = new Bitmap(bmpWidth, bmpHeight - (bmpHeight / client.Height - 1) * fixHeaderHeight);
Debug.WriteLine($"BitmapHeight:{(int)((scrollSize.Height - scrollPoint.Y) * dpi.ScaleY)}");
Debug.WriteLine($"ClientHeight:{client.Height}");
Debug.WriteLine($"FixHeaderHeight:{fixHeaderHeight}");
using (Graphics g = Graphics.FromImage(bmp))
{
// スクロール開始/終端座標を求める
// ※終了座標はマージン前の高さで求める
Point scrollStart = new Point(scrollPoint.X, scrollPoint.Y);
Point scrollEnd = new Point(Math.Max(scrollSize.Width - client.Width, 0), Math.Max(scrollSize.Height - client.Height, 0));
// 右終端までスクロールしながらキャプチャする
CaptureControl(handle, g, ref client, ref scrollPoint, ref scrollStart, dpi);
while (scrollPoint.X < scrollEnd.X)
{
// スクロールしてキャプチャする
scrollPoint = ie.ScrollTo(scrollPoint.X + client.Width, scrollPoint.Y);
CaptureControl(handle, g, ref client, ref scrollPoint, ref scrollStart, dpi);
}
// 先頭行以降は固定ヘッダーを除外してキャプチャする
client.Y += fixHeaderHeight;
client.Height -= fixHeaderHeight;
// 終端までスクロールしながらキャプチャする
bool isFirst = true;
int prevScrollY = -1;
while (scrollPoint.Y < scrollEnd.Y && prevScrollY != scrollPoint.Y)
{
prevScrollY = scrollPoint.Y;
// スクロールしてキャプチャする
scrollPoint.X = scrollStart.X;
scrollPoint = ie.ScrollTo(scrollPoint.X, scrollPoint.Y + client.Height);
CaptureControl(handle, g, ref client, ref scrollPoint, ref scrollStart, dpi, (isFirst ? fixHeaderHeight : 0));
isFirst = false;
// 右端までスクロールしながらキャプチャする
while (scrollPoint.X < scrollEnd.X)
{
// スクロールしてウィンドウキャプチャする
scrollPoint = ie.ScrollTo(scrollPoint.X + client.Width, scrollPoint.Y);
CaptureControl(handle, g, ref client, ref scrollPoint, ref scrollStart, dpi);
}
}
}
return(bmp);
}
}
