/// スクリーンキャプチャした結果をbyte[]に格納する
/// @param[out] dpiX X軸方向のDPI
/// @param[out] dpiY Y軸方向のDPI
/// @return スクリーンキャプチャした結果のbyte[]
public byte[] ExecuteByGetDIBits(out int dpiX, out int dpiY) {
// Windowチェック
if (!Common.Utilities.IsWindowValid(this.Window)) {
dpiX = 96;
dpiY = 96;
return null;
}
// 結果を格納するためのbyte配列
var result = new byte[this.Size];
var bitmapInfo = this.BitmapInfo;
// BitBlt
var window = this.Window;
var windowDC = User32.GetDC(window);
dpiX = GDI32.GetDeviceCaps(windowDC, GDI32.LOGPIXELSX);
dpiY = GDI32.GetDeviceCaps(windowDC, GDI32.LOGPIXELSY);
var capturedDC = GDI32.CreateCompatibleDC(windowDC);
var capturedBitmap = GDI32.CreateCompatibleBitmap(windowDC,
this.ClippingWidth, this.ClippingHeight);
{
var originalBitmap = GDI32.SelectObject(capturedDC, capturedBitmap);
GDI32.BitBlt(capturedDC,
0, 0, this.ClippingWidth, this.ClippingHeight,
windowDC,
this.ClippingX, this.ClippingY,
this.ShowLayeredWindow ? GDI32.SRCCOPY | GDI32.CAPTUREBLT
: GDI32.SRCCOPY);
GDI32.GetDIBits(capturedDC, capturedBitmap, 0, (uint)this.ClippingHeight, result,
ref bitmapInfo, GDI32.DIB_RGB_COLORS);
GDI32.SelectObject(capturedDC, originalBitmap);
}
GDI32.DeleteObject(capturedBitmap);
GDI32.DeleteDC(capturedDC);
User32.ReleaseDC(window, windowDC);
/// @todo(me) マウスカーソルの合成・・・？いるか？
if (this.ShowCursor) {
// nop
}
return result;
}