/// <summary>
/// 创建指定页的图元数据
/// </summary>
/// <param name="page">页面对象</param>
/// <param name="DrawMargin">是否绘制边距线</param>
/// <returns>包含图元数据的字节数组</returns>
public byte[] GetMetafile(PrintPage page, bool DrawMargin)
{
XPageSettings pageSettings = page.PageSettings;
System.Drawing.Imaging.Metafile meta = null;
using (DeviceContexts dc = DeviceContexts.CreateCompatibleDC(IntPtr.Zero))
{
System.IO.MemoryStream stream = new System.IO.MemoryStream();
meta = new System.Drawing.Imaging.Metafile(
stream,
dc.HDC,
new System.Drawing.Rectangle(
0,
0,
(int)page.PageSettings.ViewPaperWidth,
(int)page.PageSettings.ViewPaperHeight),
//System.Drawing.Imaging.MetafileFrameUnit.Document );
PrintUtil.ConvertUnit(myDocument.DocumentGraphicsUnit));
using (System.Drawing.Graphics g2 = System.Drawing.Graphics.FromImage(meta))
{
if (intBackColor.A != 0)
{
g2.Clear(this.intBackColor);
}
g2.PageUnit = myDocument.DocumentGraphicsUnit;
PageFrameDrawer drawer = new PageFrameDrawer();
drawer.DrawMargin = DrawMargin;
drawer.BackColor = System.Drawing.Color.Transparent;
drawer.BorderColor = this.intBorderColor;
drawer.BorderWidth = 1;
drawer.LeftMargin = (int)page.ViewLeftMargin;
drawer.TopMargin = (int)page.ViewTopMargin;
drawer.RightMargin = (int)page.ViewRightMargin;
drawer.BottomMargin = (int)page.ViewBottomMargin;
drawer.Bounds = new System.Drawing.Rectangle(
0,
0,
(int)pageSettings.ViewPaperWidth,
(int)pageSettings.ViewPaperHeight);
drawer.BackgroundImage = this.PageBackgroundImage;
g2.ScaleTransform(this.XZoomRate, this.YZoomRate);
drawer.DrawPageFrame(g2, System.Drawing.Rectangle.Empty);
DrawPage(page, g2, page.Bounds, true);
}
meta.Dispose();
dc.Dispose();
return(stream.ToArray());
}
}
public static void ImageToWMF(string imgFileName, string wmfFileName)
{
Image image = Image.FromFile(imgFileName);
Bitmap bmp = new Bitmap(image.Width, image.Height);
Graphics graphics = Graphics.FromImage(bmp);
Rectangle rect = new Rectangle(0, 0, image.Width, image.Height);
System.Drawing.Imaging.Metafile metafile = new System.Drawing.Imaging.Metafile(wmfFileName, graphics.GetHdc(), rect, System.Drawing.Imaging.MetafileFrameUnit.Pixel);
graphics = Graphics.FromImage(metafile);
graphics.DrawImage(image, 0, 0, image.Width, image.Height);
graphics.Save();
graphics.Dispose();
metafile.Dispose();
}
/// <summary>
/// Saves the image using the user's selections.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void butExport_Click(object sender, EventArgs e)
{
//EXPORT.
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
saveFileDialog1.Filter = GetSaveFilter();
saveFileDialog1.FileName = VectorDraw.Professional.Utilities.vdGlobals.GetFileNameWithoutExtension(mDoc.FileName);
saveFileDialog1.InitialDirectory = VectorDraw.Professional.Utilities.vdGlobals.GetDirectoryName(mDoc.FileName);
saveFileDialog1.RestoreDirectory = true;
DialogResult res = saveFileDialog1.ShowDialog(this);
Application.DoEvents();
if (res == DialogResult.OK)
{
string filename = saveFileDialog1.FileName;
if ((filename != "") && (filename != null))
{
if (filename.EndsWith(".emf", StringComparison.CurrentCultureIgnoreCase) || filename.EndsWith(".wmf", StringComparison.CurrentCultureIgnoreCase))
{
IntPtr referencedc = VectorDraw.Render.GDIDraw.GDI.IntCreateDC("DISPLAY", "", "", IntPtr.Zero);
System.Drawing.Imaging.Metafile emf = new System.Drawing.Imaging.Metafile(filename, referencedc, System.Drawing.Imaging.EmfType.EmfOnly, "FromVectorDraw6");
Color bkcolor = mDoc.ActiveRender.BkColor;
System.Drawing.Size renderingSize = new System.Drawing.Size(mImg.Width, mImg.Height);
System.Drawing.Graphics gr = Graphics.FromImage(emf);
gr.FillRectangle(new SolidBrush(bkcolor), new Rectangle(new Point(0, 0), renderingSize));
mDoc.ActiveLayOut.RenderToGraphics(gr, mRenderBox, mImg.Width, mImg.Height);
gr.Dispose();
emf.Dispose();
VectorDraw.Render.GDIDraw.GDI.DeleteDC(referencedc);
}
else
{
mImg.Save(filename);
}
this.DialogResult = DialogResult.OK;
this.Close();
}
}
}
/// <summary>
/// Метод конвертирует исходный графический файл в wmetafile
/// и создает строку для вставки в RTF-документ
/// wmetafile т.к. его поддерживает большинство RTF редакторов
/// </summary>
private static StringBuilder BitmapToRtfImage(Image image)
{
StringBuilder sb = new StringBuilder();
MemoryStream memory = null;
System.Drawing.Imaging.Metafile metaFile = null;
try
{
memory = new MemoryStream();
using (Graphics graphics = Graphics.FromImage(image))
{
IntPtr ptr = graphics.GetHdc();
metaFile = new System.Drawing.Imaging.Metafile(memory, ptr);
graphics.ReleaseHdc(ptr);
}
using (Graphics graphics = Graphics.FromImage(metaFile))
{ graphics.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height)); }
IntPtr metaPtr = metaFile.GetHenhmetafile(); // указатель на метафайл
uint bufferSize = NativeMethods.GdipEmfToWmfBits(metaPtr, 0, null, MM_ANISOTROPIC,
NativeMethods.EmfToWmfBitsFlags.EmfToWmfBitsFlagsDefault); // получаем размер массива
byte[] buffer = new byte[bufferSize]; // здесь хранится метафайл
NativeMethods.GdipEmfToWmfBits(metaPtr, bufferSize, buffer, MM_ANISOTROPIC,
NativeMethods.EmfToWmfBitsFlags.EmfToWmfBitsFlagsDefault); //копируем файл в буфер
NativeMethods.DeleteEnhMetaFile(metaPtr);//удаление метафайла
byte[] block;
int blockSize = 0x100000;
int bufferBytesToRead = buffer.Length;
int currentBufferPosition = 0;
// копируем байты метафайла в StringBuilder попутно переводя в правильный текстовый формат
while (bufferBytesToRead > blockSize)
{
block = new byte[blockSize];
Buffer.BlockCopy(buffer, currentBufferPosition, block, 0, blockSize);
currentBufferPosition += blockSize;
bufferBytesToRead -= blockSize;
sb.Append(BitConverter.ToString(block, 0).Replace("-", string.Empty));
}
if (bufferBytesToRead > 0)
{
block = new byte[bufferBytesToRead];
Buffer.BlockCopy(buffer, currentBufferPosition, block, 0, bufferBytesToRead);
sb.Append(BitConverter.ToString(block, 0).Replace("-", string.Empty));
}
//return sb.ToString();
}
finally
{
if (metaFile != null)
metaFile.Dispose();
if (memory != null)
memory.Close();
}
return sb;
}
/// <summary>
/// Wraps the image in an Enhanced Metafile by drawing the image onto the
/// graphics context, then converts the Enhanced Metafile to a Windows
/// Metafile, and finally appends the bits of the Windows Metafile in HEX
/// to a string and returns the string.
/// </summary>
/// <param name="_image"></param>
/// <returns>
/// A string containing the bits of a Windows Metafile in HEX
/// </returns>
private string GetRtfImage(Image _image)
{
StringBuilder _rtf = null;
// Used to store the enhanced metafile
System.IO.MemoryStream _stream = null;
// Used to create the metafile and draw the image
Graphics _graphics = null;
// The enhanced metafile
System.Drawing.Imaging.Metafile _metaFile = null;
// Handle to the device context used to create the metafile
IntPtr _hdc;
try
{
_rtf = new StringBuilder();
_stream = new System.IO.MemoryStream();
// Get a graphics context from the RichTextBox
using (_graphics = this.CreateGraphics())
{
// Get the device context from the graphics context
_hdc = _graphics.GetHdc();
// Create a new Enhanced Metafile from the device context
_metaFile = new System.Drawing.Imaging.Metafile(_stream, _hdc);
// Release the device context
_graphics.ReleaseHdc(_hdc);
}
// Get a graphics context from the Enhanced Metafile
using (_graphics = Graphics.FromImage(_metaFile))
{
// Draw the image on the Enhanced Metafile
_graphics.DrawImage(_image, new Rectangle(0, 0, _image.Width, _image.Height));
}
// Get the handle of the Enhanced Metafile
IntPtr _hEmf = _metaFile.GetHenhmetafile();
// A call to EmfToWmfBits with a null buffer return the size of the
// buffer need to store the WMF bits. Use this to get the buffer
// size.
uint _bufferSize = GdipEmfToWmfBits(_hEmf, 0, null, MM_ANISOTROPIC,
EmfToWmfBitsFlags.EmfToWmfBitsFlagsDefault);
// Create an array to hold the bits
byte[] _buffer = new byte[_bufferSize];
// A call to EmfToWmfBits with a valid buffer copies the bits into the
// buffer an returns the number of bits in the WMF.
uint _convertedSize = GdipEmfToWmfBits(_hEmf, _bufferSize, _buffer, MM_ANISOTROPIC,
EmfToWmfBitsFlags.EmfToWmfBitsFlagsDefault);
// Append the bits to the RTF string
for (int i = 0; i < _buffer.Length; ++i)
{
_rtf.Append(String.Format("{0:X2}", _buffer[i]));
}
return(_rtf.ToString());
}
finally
{
if (_graphics != null)
{
_graphics.Dispose();
}
if (_metaFile != null)
{
_metaFile.Dispose();
}
if (_stream != null)
{
_stream.Close();
}
}
}
private string ConvertToMetafileHexDataString(Stream imageStream)
{
MemoryStream metafileStream = new MemoryStream();
// Get the graphics to write image on the metafile
System.Drawing.Graphics graphics = System.Drawing.Graphics.FromHwnd(IntPtr.Zero);
// Create the empty metafile
System.Drawing.Imaging.Metafile metafile = new System.Drawing.Imaging.Metafile(metafileStream, graphics.GetHdc(), System.Drawing.Imaging.EmfType.EmfOnly);
// Release HDC
graphics.ReleaseHdc();
// Create the graphics for metafile destination
System.Drawing.Graphics graphicsTarget = System.Drawing.Graphics.FromImage(metafile);
// Create bitmap from the image source stream
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(imageStream);
// Draw the bitmap image to the metafile
graphicsTarget.DrawImage(bitmap, System.Drawing.Point.Empty);
// Dispose graphics target
graphicsTarget.Dispose();
// Move to the start position
metafileStream.Position = 0;
// Create the enhance metafile from metafile stream what we rendered from the bitmap image
System.Drawing.Imaging.Metafile enhanceMetafile = new System.Drawing.Imaging.Metafile(metafileStream);
// Get the enhance metafile handle from the enhance metafile
IntPtr hdc = UnsafeNativeMethods.CreateCompatibleDC(new HandleRef(this, IntPtr.Zero));
IntPtr hEnhanceMetafile = enhanceMetafile.GetHenhmetafile();
// Convert the enhance metafile to the windows metafile with Win32 GDI
uint windowsMetafileSize = UnsafeNativeMethods.GetWinMetaFileBits(hEnhanceMetafile, 0, null, /*MapMode:MM_ANISOTROPIC*/8, hdc);
Byte[] windowsMetafileBytes = new Byte[windowsMetafileSize];
UnsafeNativeMethods.GetWinMetaFileBits(hEnhanceMetafile, windowsMetafileSize, windowsMetafileBytes, /*MapMode:MM_ANISOTROPIC*/8, hdc);
// Dispose metafile and metafile stream
metafile.Dispose();
metafileStream.Dispose();
// return the windows metafile hex data string
return ConvertToImageHexDataString(windowsMetafileBytes);
}
private static KeyValuePair<Range, Content> ProcessInlineShape( InlineShape _shape )
{
float width = _shape.Width;
float height = _shape.Height;
string altText = "";
string title = "";
try
{
float scaleWidth = _shape.ScaleWidth;
if ( scaleWidth > 0.0 )
{
//width *= (scaleWidth / 100.0f);
}
}
catch
{
}
try
{
float scaleHeight = _shape.ScaleHeight;
if ( scaleHeight > 0.0 )
{
//height *= (scaleHeight / 100.0f);
}
}
catch
{
}
try
{
altText = _shape.AlternativeText;
}
catch
{
}
try
{
title = _shape.Title;
}
catch
{
}
PngImageContent imageContent = null;
_shape.Range.CopyAsPicture();
object pngData = Clipboard.GetData( "PNG" );
if ( pngData is System.IO.MemoryStream )
{
imageContent = new PngImageContent( (System.IO.MemoryStream) pngData, altText, title, width, height );
}
else
{
if ( Clipboard.ContainsData( DataFormats.EnhancedMetafile ) )
{
if ( ClipboardFunctions.OpenClipboard( IntPtr.Zero ) )
{
width *= 1.5f;
height *= 1.5f;
IntPtr data = ClipboardFunctions.GetClipboardData( DataFormats.GetFormat( DataFormats.EnhancedMetafile ).Id );
System.Drawing.Imaging.Metafile metaFile = new System.Drawing.Imaging.Metafile( data, true );
ClipboardFunctions.CloseClipboard();
System.Drawing.Bitmap pngImage = new System.Drawing.Bitmap( (int) width, (int) height );
using ( System.Drawing.Graphics g = System.Drawing.Graphics.FromImage( pngImage ) )
{
g.DrawImage( metaFile, new System.Drawing.Rectangle( 0, 0, (int) width, (int) height ) );
}
metaFile.Dispose();
System.IO.MemoryStream pngDataStream = new System.IO.MemoryStream();
pngImage.Save( pngDataStream, System.Drawing.Imaging.ImageFormat.Png );
pngDataStream.Seek( 0, System.IO.SeekOrigin.Begin );
imageContent = new PngImageContent( pngDataStream, altText, title, width, height );
pngImage.Dispose();
}
}
}
Clipboard.Clear();
if ( imageContent == null )
{
return new KeyValuePair<Range, Content>( _shape.Range, new TextContent( String.Format( "INTERNAL ERROR: Could not convert shape to PNG image." ), Edward.ERROR_STYLE ) );
}
else
{
return new KeyValuePair<Range, Content>( _shape.Range, imageContent );
}
}
public System.Drawing.Imaging.Metafile ToMetaFile_(string html, double width, double height, double marginL, double marginT, double marginR, double marginB)
{
double w = width - marginL - marginR;
double h = height - marginT - marginB;
string pageSizeStyle = string.Format("width: {0}mm;height: {1}mm;margin-left: 0px;margin-right: 0px;", w, h);
wb.Document.OpenNew(false);
wb.Document.Write(html);
wb.Refresh();
wb.Document.Body.Style = pageSizeStyle;
wb.Refresh();
wb.Width = wb.Document.Body.ScrollRectangle.Width;
wb.Height = wb.Document.Body.ScrollRectangle.Height;
System.IO.MemoryStream ms = new System.IO.MemoryStream();
using (var graHandle = System.Drawing.Graphics.FromHwnd(IntPtr.Zero))
{
double dpix = graHandle.DpiX;
double dpiy = graHandle.DpiY;
var hdc = graHandle.GetHdc();
System.Drawing.Imaging.Metafile meta
= new System.Drawing.Imaging.Metafile(ms, hdc, new System.Drawing.RectangleF(0, 0, (float)w, (float)h), System.Drawing.Imaging.MetafileFrameUnit.Millimeter);
using (var g = Graphics.FromImage(meta))
{
}
double hres = meta.HorizontalResolution;
double vres = meta.VerticalResolution;
meta = new System.Drawing.Imaging.Metafile(ms, hdc, new System.Drawing.RectangleF(0, 0, (float)w, (float)h), System.Drawing.Imaging.MetafileFrameUnit.Millimeter);
using (var g = Graphics.FromImage(meta))
{
double scale = hres / 25.4;
RECT r = new RECT();
r.Left = 0;
r.Top = 0;
r.Right = (int)w;
r.Bottom = (int)((double)w * (double)wb.Document.Body.ScrollRectangle.Height / (double)wb.Document.Body.ScrollRectangle.Width);
r.Right *= 10;
//g.PageUnit = GraphicsUnit.Millimeter;
try
{
var hdc2 = g.GetHdc();
try
{
var unknown = System.Runtime.InteropServices.Marshal.GetIUnknownForObject(wb.ActiveXInstance);
try
{
OleDraw(unknown, (int)System.Runtime.InteropServices.ComTypes.DVASPECT.DVASPECT_CONTENT, hdc2, ref r);
}
finally
{
System.Runtime.InteropServices.Marshal.Release(unknown);
}
}
finally
{
g.ReleaseHdc(hdc2);
}
for (int x = 0; x <= width; x += 10)
{
g.DrawLine(System.Drawing.Pens.Red, new System.Drawing.Point(x, 0), new System.Drawing.Point(x, 297));
}
}
finally
{
graHandle.ReleaseHdc(hdc);
}
}
meta.Dispose();
}
ms.Position = 0;
using (System.IO.FileStream fs = System.IO.File.OpenWrite("j:\\test.emf"))
{
ms.WriteTo(fs);
}
ms.Position = 0;
return(System.Drawing.Imaging.Metafile.FromStream(ms) as System.Drawing.Imaging.Metafile);
}
public System.Drawing.Imaging.Metafile ToMetaFile(string html, double width, double height, double marginL, double marginT, double marginR, double marginB)
{
double w = width - marginL - marginR;
double h = height - marginT - marginB;
string pageSizeStyle = string.Format("width: {0}mm;height: {1}mm;margin-left: 0px;margin-right: 0px;", w, h);
wb.Document.OpenNew(false);
wb.Document.Write(html);
wb.Refresh();
wb.Document.Body.Style = pageSizeStyle;
wb.Refresh();
wb.Width = wb.Document.Body.ScrollRectangle.Width;
wb.Height = wb.Document.Body.ScrollRectangle.Height;
System.IO.MemoryStream ms = new System.IO.MemoryStream();
using (var graHandle = System.Drawing.Graphics.FromHwnd(IntPtr.Zero))
{
double dpix = graHandle.DpiX;
double dpiy = graHandle.DpiY;
var hdc = graHandle.GetHdc();
System.Drawing.Imaging.Metafile meta
= new System.Drawing.Imaging.Metafile(ms, hdc, new System.Drawing.RectangleF(0, 0, (float)w, (float)h), System.Drawing.Imaging.MetafileFrameUnit.Millimeter);
using (var g = Graphics.FromImage(meta))
{
g.PageUnit = GraphicsUnit.Millimeter;
var xd = dpix / meta.PhysicalDimension.Width;
var yd = dpiy / meta.PhysicalDimension.Height;
RECT r = new RECT();
r.Left = 0;
r.Top = 0;
r.Right = (int)(w * xd);
r.Bottom = (int)((double)w * (double)wb.Document.Body.ScrollRectangle.Height / (double)wb.Document.Body.ScrollRectangle.Width * yd);
try
{
var hdc2 = g.GetHdc();
try
{
var unknown = System.Runtime.InteropServices.Marshal.GetIUnknownForObject(wb.ActiveXInstance);
try
{
OleDraw(unknown, (int)System.Runtime.InteropServices.ComTypes.DVASPECT.DVASPECT_CONTENT, hdc2, ref r);
}
finally
{
System.Runtime.InteropServices.Marshal.Release(unknown);
}
}
finally
{
g.ReleaseHdc(hdc2);
}
var state = g.Save();
g.TranslateTransform(0, 100);
g.RotateTransform(-45);
g.DrawString("てすと", new Font("Meiryo", 100), Brushes.Red, 0, 0);
g.Restore(state);
}
finally
{
graHandle.ReleaseHdc(hdc);
}
}
meta.Dispose();
}
ms.Position = 0;
return(System.Drawing.Imaging.Metafile.FromStream(ms) as System.Drawing.Imaging.Metafile);
}
