/// <summary>
/// Requests the specified window to draw itself to a Bitmap
/// </summary>
/// <param name="handle">The handle of the window to draw</param>
/// <param name="clientArea">If the client area should be drawn or the whole window.</param>
/// <remarks>This method only works on windows that handle WM_PRINT. It allows for capturing non-visible and minimized applications.</remarks>
/// <returns>An image with the window drawn onto it.</returns>
public static Bitmap Print(IntPtr hWnd, bool clientArea)
{
NativeStructs.RECT r = new NativeStructs.RECT();
NativeMethods.GetWindowRect(hWnd, ref r);
Rectangle rect = r;
Bitmap bmp = new Bitmap(rect.Width, rect.Height);
using (Graphics g = Graphics.FromImage(bmp))
{
IntPtr hdc = g.GetHdc();
NativeMethods.PrintWindow(hWnd, hdc, 0);
g.ReleaseHdc(hdc);
}
if (clientArea)
{
NativeMethods.GetClientRect(hWnd, ref r);
Point pt = Point.Empty.ClientToScreen(hWnd);
Rectangle client = new Rectangle(pt, ((Rectangle)r).Size);
Bitmap crop = new Bitmap(client.Width, client.Height);
using (Graphics g = Graphics.FromImage(crop))
{
int titleHeight = client.Top - rect.Top;
g.DrawImage(bmp, new Point((client.Width - rect.Width) / 2, -titleHeight));
}
bmp.Dispose();
bmp = crop;
}
return(bmp);
}
/// <summary>
/// Function: Convert Rectangle to NativeStructs.RECT
/// Author : Jerry Xu
/// Date : 2008-8-2
/// </summary>
/// <param name="source">Rectangle</param>
/// <returns>NativeStructs.RECT</returns>
private static NativeStructs.RECT ConvertRectangleToRECT(Rectangle source)
{
NativeStructs.RECT target = new NativeStructs.RECT();
target.left = source.Left;
target.top = source.Top;
target.bottom = source.Right;
target.right = source.Bottom;
return(target);
}
private static bool EnumMonitorCallback(IntPtr hMonitor, IntPtr hdc, ref NativeStructs.RECT rect, IntPtr dwData)
{
User32.MONITORINFOEX monitorInfo = new User32.MONITORINFOEX();
monitorInfo.cbSize = Marshal.SizeOf(monitorInfo);
if (!User32.GetMonitorInfo(hMonitor, ref monitorInfo))
{
throw new Win32Exception();
}
_monitorInfo.Add(monitorInfo.szDevice, monitorInfo);
_monitorHandle.Add(monitorInfo.szDevice, hMonitor);
return(true);
}
public void Highlight()
{
NativeStructs.RECT windowRect = new NativeStructs.RECT(0, 0, 0, 0);
NativeMethods.GetWindowRect(handle, ref windowRect);
IntPtr windowDC = NativeMethods.GetWindowDC(handle);
if (windowDC != IntPtr.Zero)
{
Graphics graph = Graphics.FromHdc(windowDC, handle);
graph.DrawRectangle(highlightPen, 1, 1, windowRect.Width - 2, windowRect.Height - 2);
graph.Dispose();
NativeMethods.ReleaseDC(handle, windowDC);
}
}
ScreenshotData TakeScreenshotCore(NativeInterfaces.IViewObject rpViewObject)
{
const int BitCount = 24;
var rEmbedElement = rpViewObject as HTMLEmbed;
var rWidth = rEmbedElement.clientWidth;
var rHeight = rEmbedElement.clientHeight;
var rScreenDC = NativeMethods.User32.GetDC(IntPtr.Zero);
var rHDC = NativeMethods.Gdi32.CreateCompatibleDC(rScreenDC);
var rInfo = new NativeStructs.BITMAPINFO();
rInfo.bmiHeader.biSize = Marshal.SizeOf(typeof(NativeStructs.BITMAPINFOHEADER));
rInfo.bmiHeader.biWidth = rWidth;
rInfo.bmiHeader.biHeight = rHeight;
rInfo.bmiHeader.biBitCount = BitCount;
rInfo.bmiHeader.biPlanes = 1;
IntPtr rBits;
var rHBitmap = NativeMethods.Gdi32.CreateDIBSection(rHDC, ref rInfo, 0, out rBits, IntPtr.Zero, 0);
var rOldObject = NativeMethods.Gdi32.SelectObject(rHDC, rHBitmap);
var rTargetDevice = new NativeStructs.DVTARGETDEVICE()
{
tdSize = 0
};
var rRect = new NativeStructs.RECT(0, 0, rWidth, rHeight);
var rEmptyRect = default(NativeStructs.RECT);
rpViewObject.Draw(1, 0, IntPtr.Zero, ref rTargetDevice, IntPtr.Zero, rHDC, ref rRect, ref rEmptyRect, IntPtr.Zero, IntPtr.Zero);
var rResult = new ScreenshotData(rWidth, rHeight, BitCount);
var rPixels = new byte[rWidth * rHeight * 3];
Marshal.Copy(rBits, rPixels, 0, rPixels.Length);
rResult.BitmapData = rPixels;
NativeMethods.Gdi32.SelectObject(rHDC, rOldObject);
NativeMethods.Gdi32.DeleteObject(rHBitmap);
NativeMethods.Gdi32.DeleteDC(rHDC);
NativeMethods.User32.ReleaseDC(IntPtr.Zero, rScreenDC);
return(rResult);
}
/// <summary>
/// Processes incoming Windows Messages.
/// </summary>
/// <param name="m">The Windows <see cref="T:System.Windows.Forms.Message" /> to process.</param>
protected override void WndProc(ref Message m)
{
if (!this.DesignMode)
{
switch (m.Msg)
{
//Remove NoClientArea
case NativeConstants.WM_NCCALCSIZE:
if (m.WParam == IntPtr.Zero)
{
NativeStructs.RECT rect = (NativeStructs.RECT)m.GetLParam(typeof(NativeStructs.RECT));
Rectangle drawingRect = rect.ToRectangle();
drawingRect.Inflate(8, 8);
Marshal.StructureToPtr(new NativeStructs.RECT(drawingRect), m.LParam, true);
}
else
{
NativeStructs.NCCALCSIZE_PARAMS calcSizeParams = (NativeStructs.NCCALCSIZE_PARAMS)m.GetLParam(typeof(NativeStructs.NCCALCSIZE_PARAMS));
Rectangle drawingRect = calcSizeParams.rgrc0.ToRectangle();
drawingRect.Inflate(8, 8);
calcSizeParams.rgrc0 = new NativeStructs.RECT(drawingRect);
Marshal.StructureToPtr(calcSizeParams, m.LParam, true);
}
m.Result = IntPtr.Zero;
break;
//Prevent activation of the nonclientarea
case NativeConstants.WM_NCACTIVATE:
m.Result = IntPtr.Zero;
return;
}
base.WndProc(ref m);
switch (m.Msg)
{
case NativeConstants.WM_SIZE:
m.Result = IntPtr.Zero;
return;
}
}
else
{
base.WndProc(ref m);
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public static NativeStructs.MONITORINFOEX[] GetAllMonitors(out NativeStructs.MONITORINFOEX primaryMonitor)
{
NativeStructs.RECT empty = NativeStructs.RECT.Empty;
NativeStructs.MONITORINFOEX[] monitorArray = null;
lock (_globalLock)
{
_currentMonitors = new List <NativeStructs.MONITORINFOEX>();;
NativeMethods.EnumDisplayMonitors(IntPtr.Zero, null, new NativeMethods.MonitorEnumProc(MultiMonitorHelper.MonitorEnumProcCallback), IntPtr.Zero);
if (_currentMonitors.Count <= 0)
{
throw new InvalidOperationException("No Monitor found.");
}
monitorArray = _currentMonitors.ToArray();
primaryMonitor = _primaryMonitor;
}
return(monitorArray);
}
private int HookProc(IntPtr hdlg, int msg, int wParam, int lParam)
{
switch ((NativeEnums.WindowMessages)msg)
{
case NativeEnums.WindowMessages.WM_INITDIALOG:
Rectangle rcScreen = m_activeScreen.Bounds;
NativeStructs.RECT rcDialog = new NativeStructs.RECT();
IntPtr parent = NativeMethods.GetParent(hdlg);
NativeMethods.GetWindowRect(parent, ref rcDialog);
IntPtr fileComboWindow = NativeMethods.GetDlgItem(parent, 0x470);
for (int i = 0; i < m_formats.Length; i++)
{
NativeMethods.SendMessage(fileComboWindow, (int)NativeEnums.ComboboxControlMessages.CB_ADDSTRING, 0, m_formats[i]);
}
NativeMethods.SendMessage(fileComboWindow, (int)NativeEnums.ComboboxControlMessages.CB_SETCURSEL, 0, 0);
m_comboFormatHandle = fileComboWindow;//CreateComboBox("combobox_builder", fontHandle, m_formats, 2, point.x, point.y + 8, aboveRect.right - point.x, 100, parent);
break;
case NativeEnums.WindowMessages.WM_DESTROY:
break;
case NativeEnums.WindowMessages.WM_NOTIFY:
// The following line throws unknown exception
// NativeStructs.OFNotify notify = (NativeStructs.OFNotify)NativeMethods.PtrToStructure(new IntPtr(lParam), typeof(NativeStructs.OFNotify));
//if (notify.hdr.code == CDN_FILEOK)
if (m_comboFormatHandle != IntPtr.Zero)
{
int index = NativeMethods.SendMessage(m_comboFormatHandle, (int)NativeEnums.ComboboxControlMessages.CB_GETCURSEL, 0, 0);
m_format = m_formats[index];
}
break;
}
return(0);
}
protected override void WndProc(ref Message m)
{
switch ((NativeEnums.WM)m.Msg)
{
case NativeEnums.WM.NCCALCSIZE:
//Crop the form to remove the windows borders
if (m.WParam.Equals(IntPtr.Zero))
{
NativeStructs.RECT rc = (NativeStructs.RECT)m.GetLParam(typeof(NativeStructs.RECT));
Rectangle r = CropForm(rc);
Marshal.StructureToPtr(new NativeStructs.RECT(r), m.LParam, true);
}
else
{
NativeStructs.NCCALCSIZE_PARAMS csp = (NativeStructs.NCCALCSIZE_PARAMS)m.GetLParam(typeof(NativeStructs.NCCALCSIZE_PARAMS));
Rectangle r = CropForm(csp.rgrc0);
csp.rgrc0 = new NativeStructs.RECT(r);
Marshal.StructureToPtr(csp, m.LParam, true);
}
m.Result = IntPtr.Zero;
return;
case NativeEnums.WM.SIZE:
if (this.WindowState != lastState)
{
lastState = this.WindowState;
if (this.WindowState == FormWindowState.Maximized)
{
OverrideSize = this.RestoreBounds.Size;
}
NativeMethods.SetWindowPos(this.Handle, IntPtr.Zero, 0, 0, 0, 0, NativeEnums.SWP.FRAMECHANGED | NativeEnums.SWP.NOACTIVATE | NativeEnums.SWP.NOMOVE | NativeEnums.SWP.NOSIZE | NativeEnums.SWP.NOZORDER);
this.Refresh();
}
break;
}
base.WndProc(ref m);
}
/// <summary>
/// Function: Strech text
/// Author : Jerry Xu
/// Date : 2008-8-2
/// </summary>
/// <param name="g">Graphics:destination graphics</param>
/// <param name="drawText">string:destination text</param>
/// <param name="font">Font</param>
/// <param name="sourceBounds">source rectangle</param>
/// <param name="antiAliasing">bool</param>
private static void StrechText(Graphics g, string drawText, Font font, Color foreColor, Color backColor, Rectangle sourceBounds, float zoom, bool antiAliasing)
{
//Define InPtr(point)
IntPtr destDC = IntPtr.Zero;
//IntPtr destDC1 = IntPtr.Zero;
IntPtr dcMemery = IntPtr.Zero;
IntPtr pbitmap = IntPtr.Zero;
IntPtr hFont = IntPtr.Zero;
//Define destination bound
Rectangle destBounds;
try
{
//Destionation DC
destDC = g.GetHdc();
//destDC1 = g.GetHdc();
//Temp DC
dcMemery = SafeNativeMethods.CreateCompatibleDC(destDC);
//Init font
//font = new Font("宋体", 14.0f, FontStyle.Regular, GraphicsUnit.Pixel);
//Set font to temp DC
hFont = font.ToHfont();
SafeNativeMethods.SelectObject(dcMemery, hFont);
//Create image and get image DC
pbitmap = SafeNativeMethods.CreateCompatibleBitmap(destDC, sourceBounds.Width, sourceBounds.Height);
//Set image DC to temp DC
SafeNativeMethods.SelectObject(dcMemery, pbitmap);
//Set fore color
NativeStructs.RGBQUAD rgb = new NativeStructs.RGBQUAD();
rgb.rgbBlue = foreColor.B;
rgb.rgbRed = foreColor.R;
rgb.rgbGreen = foreColor.G;
SafeNativeMethods.SetTextColor(dcMemery, rgb);
//Set back color
NativeStructs.RGBQUAD rgbBG = new NativeStructs.RGBQUAD();
rgbBG.rgbBlue = backColor.B;
rgbBG.rgbRed = backColor.R;
rgbBG.rgbGreen = backColor.G;
SafeNativeMethods.SetBkColor(dcMemery, rgbBG);
//Draw text to temp Rectangle
NativeStructs.RECT rect = ConvertRectangleToRECT(sourceBounds);
SafeNativeMethods.DrawTextW(dcMemery, drawText, drawText.Length, ref rect, NativeConstants.DT_CENTER);
//Zoom Rectangle
destBounds = new Rectangle(sourceBounds.X, sourceBounds.Y, (int)(sourceBounds.Width * zoom), (int)(sourceBounds.Height * zoom));
//Draw temp Rectangle to zoom Rectangle
SafeNativeMethods.StretchBlt(destDC, destBounds.X, destBounds.Y, destBounds.Width, destBounds.Height, dcMemery, sourceBounds.X, sourceBounds.Y, sourceBounds.Width, sourceBounds.Height, NativeConstants.SRCCOPY);
//SafeNativeMethods.TransparentBlt(destDC1, destBounds.X, destBounds.Y, destBounds.Width, destBounds.Height, destDC, sourceBounds.X, sourceBounds.Y, sourceBounds.Width, sourceBounds.Height, rgbBG);
}
catch
{
}
finally
{
//Disponse resource
if (pbitmap != IntPtr.Zero)
{
SafeNativeMethods.SelectObject(dcMemery, pbitmap);
pbitmap = IntPtr.Zero;
}
if (dcMemery != IntPtr.Zero)
{
SafeNativeMethods.SelectObject(destDC, dcMemery);
dcMemery = IntPtr.Zero;
}
if (hFont != IntPtr.Zero)
{
SafeNativeMethods.DeleteObject(hFont);
hFont = IntPtr.Zero;
}
if (destDC != IntPtr.Zero)
{
g.ReleaseHdc(destDC);
destDC = IntPtr.Zero;
}
//if (destDC1 != IntPtr.Zero)
//{
// g.ReleaseHdc(destDC1);
// destDC1 = IntPtr.Zero;
//}
}
}
private int HookProc(IntPtr hdlg, int msg, int wParam, int lParam)
{
switch ((NativeEnums.WindowMessages)msg)
{
case NativeEnums.WindowMessages.WM_INITDIALOG:
Rectangle rcScreen = m_activeScreen.Bounds;
NativeStructs.RECT rcDialog = new NativeStructs.RECT();
IntPtr parent = NativeMethods.GetParent(hdlg);
NativeMethods.GetWindowRect(parent, ref rcDialog);
IntPtr fileComboWindow = NativeMethods.GetDlgItem(parent, 0x470);
for (int i = 0; i < m_formats.Length; i++)
NativeMethods.SendMessage(fileComboWindow, (int)NativeEnums.ComboboxControlMessages.CB_ADDSTRING, 0, m_formats[i]);
NativeMethods.SendMessage(fileComboWindow, (int)NativeEnums.ComboboxControlMessages.CB_SETCURSEL, 0, 0);
m_comboFormatHandle = fileComboWindow;//CreateComboBox("combobox_builder", fontHandle, m_formats, 2, point.x, point.y + 8, aboveRect.right - point.x, 100, parent);
break;
case NativeEnums.WindowMessages.WM_DESTROY:
break;
case NativeEnums.WindowMessages.WM_NOTIFY:
// The following line throws unknown exception
// NativeStructs.OFNotify notify = (NativeStructs.OFNotify)NativeMethods.PtrToStructure(new IntPtr(lParam), typeof(NativeStructs.OFNotify));
//if (notify.hdr.code == CDN_FILEOK)
if (m_comboFormatHandle != IntPtr.Zero)
{
int index = NativeMethods.SendMessage(m_comboFormatHandle, (int)NativeEnums.ComboboxControlMessages.CB_GETCURSEL, 0, 0);
m_format = m_formats[index];
}
break;
}
return 0;
}
ScreenshotData TakeScreenshotCore(NativeInterfaces.IViewObject rpViewObject)
{
const int BitCount = 24;
var rEmbedElement = rpViewObject as HTMLEmbed;
var rWidth = rEmbedElement.clientWidth;
var rHeight = rEmbedElement.clientHeight;
var rScreenDC = NativeMethods.User32.GetDC(IntPtr.Zero);
var rHDC = NativeMethods.Gdi32.CreateCompatibleDC(rScreenDC);
var rInfo = new NativeStructs.BITMAPINFO();
rInfo.bmiHeader.biSize = Marshal.SizeOf(typeof(NativeStructs.BITMAPINFOHEADER));
rInfo.bmiHeader.biWidth = rWidth;
rInfo.bmiHeader.biHeight = rHeight;
rInfo.bmiHeader.biBitCount = BitCount;
rInfo.bmiHeader.biPlanes = 1;
IntPtr rBits;
var rHBitmap = NativeMethods.Gdi32.CreateDIBSection(rHDC, ref rInfo, 0, out rBits, IntPtr.Zero, 0);
var rOldObject = NativeMethods.Gdi32.SelectObject(rHDC, rHBitmap);
var rTargetDevice = new NativeStructs.DVTARGETDEVICE() { tdSize = 0 };
var rRect = new NativeStructs.RECT(0, 0, rWidth, rHeight);
var rEmptyRect = default(NativeStructs.RECT);
rpViewObject.Draw(1, 0, IntPtr.Zero, ref rTargetDevice, IntPtr.Zero, rHDC, ref rRect, ref rEmptyRect, IntPtr.Zero, IntPtr.Zero);
var rResult = new ScreenshotData(rWidth, rHeight, BitCount);
var rPixels = new byte[rWidth * rHeight * 3];
Marshal.Copy(rBits, rPixels, 0, rPixels.Length);
rResult.BitmapData = rPixels;
NativeMethods.Gdi32.SelectObject(rHDC, rOldObject);
NativeMethods.Gdi32.DeleteObject(rHBitmap);
NativeMethods.Gdi32.DeleteDC(rHDC);
NativeMethods.User32.ReleaseDC(IntPtr.Zero, rScreenDC);
return rResult;
}
public extern static int FillRect(
IntPtr hDC,
ref NativeStructs.RECT lprc,
IntPtr hbr);
public static extern int DrawTextW(
IntPtr hdc,
string lpString,
int nCount,
ref NativeStructs.RECT lpRect,
uint uFormat);
private void DrawFunction(PaintEventArgs e)
{
//Define font
//Define string
string drawText = "ABC";
//Define XY
Point pt = new Point(0, 0);
//Define anti
bool antiAliasing = false;
//Define Smoothing
FontSmoothing smoothType = FontSmoothing.Sharp;
//Fonts.DrawText(e.Graphics, font, "A", new Point(0, 0), false, FontSmoothing.Sharp);
// Panel handle
IntPtr destDC = IntPtr.Zero;
IntPtr hOldObject = IntPtr.Zero;
IntPtr dcMemery = IntPtr.Zero;
IntPtr pbitmap = IntPtr.Zero;
//IntPtr pTemp = IntPtr.Zero;
Graphics g = e.Graphics;
NativeStructs.RECT destBounds = new NativeStructs.RECT();
destBounds.left = 0;
destBounds.top = 0;
destBounds.bottom = 20;
destBounds.right = 20;
destDC = g.GetHdc();
//pTemp = SafeNativeMethods.CreateCompatibleDC(destDC);
dcMemery = SafeNativeMethods.CreateCompatibleDC(destDC);
// Font
Font font = new Font("宋体", 10.0f, FontStyle.Regular, GraphicsUnit.Pixel);
IntPtr hFont = IntPtr.Zero;
hFont = Fonts.CreateFontObject(font, antiAliasing);
SafeNativeMethods.SelectObject(dcMemery, hFont);
pbitmap = SafeNativeMethods.CreateCompatibleBitmap(destDC, 20, 20);
SafeNativeMethods.SelectObject(dcMemery, pbitmap);
NativeStructs.RGBQUAD rgb = new NativeStructs.RGBQUAD();
rgb.rgbBlue = 255;
NativeStructs.RGBQUAD rgbBG = new NativeStructs.RGBQUAD();
rgbBG.rgbBlue = 0;
rgbBG.rgbRed = 0;
rgbBG.rgbGreen = 0;
//Graphics gSource = new Graphics();
//gSource.
//IntPtr gPtr = gSource.GetHdc();
//gPtr = dcMemery;
//gSource
SafeNativeMethods.SetTextColor(dcMemery, rgb);
SafeNativeMethods.SetBkColor(dcMemery, rgbBG);
SafeNativeMethods.DrawTextW(dcMemery, drawText, drawText.Length, ref destBounds, NativeConstants.DT_CENTER);
//SafeNativeMethods.TransparentBlt(pTemp, destBounds.left, destBounds.top, destBounds.right, destBounds.bottom, dcMemery, destBounds.left, destBounds.top, destBounds.right, destBounds.bottom, 0);
SafeNativeMethods.StretchBlt(destDC, 0, 0, 20 * 10, 20 * 10, dcMemery, 0, 0, 20, 20, NativeConstants.SRCCOPY);
//dcMemery.
//pbitmap = bit.GetHbitmap();
//dcMemery = SafeNativeMethods.CreateCompatibleBitmap(pdc, 20, 20);
//SafeNativeMethods.
//hFont = CreateFontObject(font, antiAliasing);
//hOldObject = SafeNativeMethods.SelectObject(pdc, hFont);
//SafeNativeMethods.CreateCompatibleDC(pdc);
//uint result1 = SafeNativeMethods.StretchBlt(
// 0,
// 0,
// 20,
// 20,
// pdc,
// 0,
// 0,
// 20 * 1000,
// 20 * 1000,
// NativeConstants.SRCCOPY);
}
