internal EMFSetPageTransform(int flags, byte[] RecordData)
{
MemoryStream _fs = null;
BinaryReader _fr = null;
try
{
_fs = new MemoryStream(BitConverter.GetBytes(flags));
_fr = new BinaryReader(_fs);
//PageUnit...
UInt16 PageU = _fr.ReadByte();
PageUnit = (System.Drawing.GraphicsUnit)PageU;
UInt16 RealFlags = _fr.ReadByte();
//XXXXXAXX - if A = 1 the transform matrix is post-multiplied else pre-multiplied...
//01234567
postMultiplyTransform = ((RealFlags & (UInt16)Math.Pow(2, 5)) == Math.Pow(2, 5));
PageScale = BitConverter.ToSingle(RecordData, 0);
}
finally
{
if (_fr != null)
_fr.Close();
if (_fs != null)
_fs.Dispose();
}
}
/// <summary>
/// 获得一个单位占据的英寸数
/// </summary>
/// <param name="unit">单位类型</param>
/// <returns>英寸数</returns>
private static double GetUnit(System.Drawing.GraphicsUnit unit)
{
switch (unit)
{
case System.Drawing.GraphicsUnit.Display:
return(1 / fDpi);
case System.Drawing.GraphicsUnit.Document:
return(1 / 300.0);
case System.Drawing.GraphicsUnit.Inch:
return(1);
case System.Drawing.GraphicsUnit.Millimeter:
return(1 / 25.4);
case System.Drawing.GraphicsUnit.Pixel:
return(1 / fDpi);
case System.Drawing.GraphicsUnit.Point:
return(1 / 72.0);
default:
throw new System.NotSupportedException("Not support " + unit.ToString());
}
}
} // isMiscFile
private void createThumbnail(string strFilename, string strThumbFilename)
{
System.Drawing.Image.GetThumbnailImageAbort objCallback;
System.Drawing.Image objFSImage;
System.Drawing.Image objTNImage;
System.Drawing.RectangleF objRect;
System.Drawing.GraphicsUnit objUnits = System.Drawing.GraphicsUnit.Pixel;
int intHeight = 0;
int intWidth = 0;
// open image and get dimensions in pixels
objFSImage = System.Drawing.Image.FromFile(strFilename);
objRect = objFSImage.GetBounds(ref objUnits);
// what are we going to resize to, to fit inside 156x78
getProportionalResize(Convert.ToInt32(objRect.Width), Convert.ToInt32(objRect.Height), ref intWidth, ref intHeight);
// create thumbnail
objCallback = new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
objTNImage = objFSImage.GetThumbnailImage(intWidth, intHeight, objCallback, IntPtr.Zero);
// finish up
objFSImage.Dispose();
objTNImage.Save(strThumbFilename);
objTNImage.Dispose();
} // createThumbnail
internal EMFSetPageTransform(int flags, byte[] RecordData)
{
MemoryStream _fs = null;
BinaryReader _fr = null;
try
{
_fs = new MemoryStream(BitConverter.GetBytes(flags));
_fr = new BinaryReader(_fs);
//PageUnit...
UInt16 PageU = _fr.ReadByte();
PageUnit = (System.Drawing.GraphicsUnit)PageU;
UInt16 RealFlags = _fr.ReadByte();
//XXXXXAXX - if A = 1 the transform matrix is post-multiplied else pre-multiplied...
//01234567
postMultiplyTransform = ((RealFlags & (UInt16)Math.Pow(2, 5)) == Math.Pow(2, 5));
PageScale = BitConverter.ToSingle(RecordData, 0);
}
finally
{
if (_fr != null)
{
_fr.Close();
}
if (_fs != null)
{
_fs.Dispose();
}
}
}
public static System.Drawing.RectangleF FixClipBounds(System.Drawing.Graphics g, float left, float top, float width, float height)
{
System.Drawing.GraphicsUnit unit = g.PageUnit;
double ratex = g.DpiX;
double ratey = g.DpiY;
switch (unit)
{
case System.Drawing.GraphicsUnit.Document:
ratex = 300;
ratey = 300;
break;
case System.Drawing.GraphicsUnit.Inch:
ratex = 1;
ratey = 1;
break;
case System.Drawing.GraphicsUnit.Millimeter:
ratex = 25.4;
ratey = 25.4;
break;
case System.Drawing.GraphicsUnit.Point:
ratex = 72;
ratey = 72;
break;
}
ratex = ratex / g.DpiX;
ratey = ratey / g.DpiY;
double left2 = Math.Ceiling(left / ratex) * ratex;
double top2 = Math.Ceiling(top / ratey) * ratey;
double width2 = Math.Ceiling(width / ratex) * ratex;
double height2 = Math.Ceiling(height / ratey) * ratey;
if (left2 > left)
{
left2 = left2 - ratex;
if (width2 < width)
{
width2 += ratex;
}
width2 += ratex;
}
if (top2 > top)
{
top2 = top - ratey;
if (height2 < height)
{
height2 += ratey;
}
height2 += ratey;
}
return(new System.Drawing.RectangleF(( float )left2, ( float )top2, ( float )width2, ( float )height2));
}
public static int Convert(int vValue, System.Drawing.GraphicsUnit OldUnit, System.Drawing.GraphicsUnit NewUnit)
{
if (OldUnit == NewUnit)
{
return(vValue);
}
else
{
return((int)(vValue * GetRate(NewUnit, OldUnit)));
}
}
public static System.Drawing.Point Convert(System.Drawing.Point p, System.Drawing.GraphicsUnit OldUnit, System.Drawing.GraphicsUnit NewUnit)
{
if (OldUnit == NewUnit)
{
return(p);
}
else
{
double rate = GetRate(NewUnit, OldUnit);
return(new System.Drawing.Point((int)(p.X * rate), (int)(p.Y * rate)));
}
}
protected void DoPrint(PrintPageEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
if (_distributor == null)
{
_distributor = CreateDistributor();
_distributor.Initialize(this, e);
}
if (e.Cancel == true)
{
e.HasMorePages = false;
return;
}
System.Drawing.GraphicsUnit originUnit = e.Graphics.PageUnit;
System.Drawing.Drawing2D.Matrix originTransform = e.Graphics.Transform;
try
{
e.Graphics.PageUnit = System.Drawing.GraphicsUnit.Pixel;
e.Graphics.Transform = new System.Drawing.Drawing2D.Matrix();
_distributor.FillPage(e, _items, _coords);
if (e.Cancel == true)
{
_items.Clear();
_coords.Clear();
return;
}
if (_items.Count != _coords.Count)
{
throw new UnexpectedException();
}
for (int i = 0; i < _items.Count; i++)
{
((ImagePrintItem)_items[i]).Print(e.Graphics, (Point)_coords[i]);
}
}
finally
{
e.Graphics.PageUnit = originUnit;
e.Graphics.Transform = originTransform;
_items.Clear();
_coords.Clear();
}
}
public static System.Drawing.SizeF Convert(System.Drawing.SizeF size, System.Drawing.GraphicsUnit OldUnit, System.Drawing.GraphicsUnit NewUnit)
{
if (OldUnit == NewUnit)
{
return(size);
}
else
{
double rate = GetRate(NewUnit, OldUnit);
return(new System.Drawing.SizeF(
(float)(size.Width * rate),
(float)(size.Height * rate)));
}
}
public static System.Drawing.Point Convert(int x, int y, System.Drawing.GraphicsUnit OldUnit, System.Drawing.GraphicsUnit NewUnit)
{
if (OldUnit == NewUnit)
{
return(new System.Drawing.Point(x, y));
}
else
{
double rate = GetRate(NewUnit, OldUnit);
return(new System.Drawing.Point(
(int)(x * rate),
(int)(y * rate)));
}
}
public void Parse(String UnitsAsString)
{
if (UnitsAsString.Trim().Equals("MILLIMETER", StringComparison.OrdinalIgnoreCase))
{
UnitType = System.Drawing.GraphicsUnit.Millimeter;
}
else if (UnitsAsString.Trim().Equals("PIXELS", StringComparison.OrdinalIgnoreCase))
{
throw new ApplicationException("Not allowed");
}
else if (UnitsAsString.Trim().Equals("INCH", StringComparison.OrdinalIgnoreCase))
{
UnitType = System.Drawing.GraphicsUnit.Inch;
}
}
protected override void OnPrintPage(System.Drawing.Printing.PrintPageEventArgs ev)
{
ev.HasMorePages = false;
//draw a fullsize bitmap of the grid...
int gridHeight = _grid.Model.RowHeights.GetTotal(0, _grid.Model.RowCount);
int gridWidth = _grid.Model.ColWidths.GetTotal(0, _grid.Model.ColCount);
Bitmap gridBM = new Bitmap(gridWidth, gridHeight);
Graphics g = Graphics.FromImage(gridBM);
this._grid.GridBounds = new Rectangle(0, 0, gridWidth, gridHeight);
this._grid.DrawGrid(g);
this._grid.ResetGridBounds();
g.Dispose();
Rectangle destRect = ev.MarginBounds;
//use the printer graphics
g = ev.Graphics;
//draw grid bitmap into the rect on the print page
System.Drawing.GraphicsUnit gu = System.Drawing.GraphicsUnit.Point;
RectangleF srcRect = gridBM.GetBounds(ref gu);
//adjust destRect to make sizing proportional
// you can comment this out this block if you don't want proportional fit
float srcRatio = srcRect.Width / srcRect.Height;
float tarRatio = (float)destRect.Width / destRect.Height;
if (tarRatio < srcRatio)
{
destRect.Height = (int)(destRect.Width / srcRatio);
}
else
{
destRect.Width = (int)(destRect.Height * srcRatio);
}
//////////////endof proportional fit//////////////////////////
g.DrawImage(gridBM, destRect, srcRect, gu);
}
public object Deserialize <T>(MemoryStream ms)
{
// ToDo:
if (typeof(T) == typeof(System.Drawing.Font))
{
var soap = Encoding.ASCII.GetString(ms.ToArray());
XmlDocument doc = new XmlDocument();
doc.LoadXml(soap);
string name = "Arial";
float size = 8;
System.Drawing.FontStyle fontStyle = System.Drawing.FontStyle.Regular;
System.Drawing.GraphicsUnit grUnit = System.Drawing.GraphicsUnit.Point;
XmlNode nameNode = doc.SelectSingleNode("//Name");
if (nameNode != null)
{
name = nameNode.InnerText;
}
XmlNode sizeNode = doc.SelectSingleNode("//Size");
if (sizeNode != null)
{
size = NumberConverter.ToFloat(sizeNode.InnerText);
}
XmlNode styleNode = doc.SelectSingleNode("//Style");
if (styleNode != null)
{
fontStyle = (System.Drawing.FontStyle)Enum.Parse(typeof(System.Drawing.FontStyle), styleNode.InnerText);
}
XmlNode unitNode = doc.SelectSingleNode("//Unit");
if (styleNode != null)
{
grUnit = (System.Drawing.GraphicsUnit)Enum.Parse(typeof(System.Drawing.GraphicsUnit), unitNode.InnerText);
}
var font = new System.Drawing.Font(name, size, fontStyle, grUnit);
return(font);
}
return(default(T));
}
internal static MeasureUnit xlat(System.Drawing.GraphicsUnit unit)
{
switch (unit)
{
case System.Drawing.GraphicsUnit.Display: return(MeasureUnit.Display);
case System.Drawing.GraphicsUnit.Document: return(MeasureUnit.Document);
case System.Drawing.GraphicsUnit.Inch: return(MeasureUnit.Inch);
case System.Drawing.GraphicsUnit.Millimeter: return(MeasureUnit.Millimeter);
case System.Drawing.GraphicsUnit.Pixel: return(MeasureUnit.Pixel);
case System.Drawing.GraphicsUnit.Point: return(MeasureUnit.Point);
case System.Drawing.GraphicsUnit.World: return(MeasureUnit.World);
default: return(MeasureUnit.World);
}
}
public void FromStreamShouldWorkTest(string filename)
{
using (System.IO.StreamReader reader = new System.IO.StreamReader(filename))
{
Assert.DoesNotThrow(() => _texture = Texture2D.FromStream(gd, reader.BaseStream));
}
Assert.NotNull(_texture);
try
{
System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(filename);
System.Drawing.GraphicsUnit gu = System.Drawing.GraphicsUnit.Pixel;
System.Drawing.RectangleF rf = bitmap.GetBounds(ref gu);
Rectangle rt = _texture.Bounds;
Assert.AreEqual((int)rf.Bottom, rt.Bottom);
Assert.AreEqual((int)rf.Left, rt.Left);
Assert.AreEqual((int)rf.Right, rt.Right);
Assert.AreEqual((int)rf.Top, rt.Top);
bitmap.Dispose();
}//The dds file test case can't be checked with System.Drawing because it does not understand this format
catch { }
_texture.Dispose();
_texture = null;
}
public static double GetDpi(System.Drawing.GraphicsUnit unit)
{
switch (unit)
{
case System.Drawing.GraphicsUnit.Display:
return(fDpi);
case System.Drawing.GraphicsUnit.Document:
return(300);
case System.Drawing.GraphicsUnit.Inch:
return(1);
case System.Drawing.GraphicsUnit.Millimeter:
return(25.4);
case System.Drawing.GraphicsUnit.Pixel:
return(fDpi);
case System.Drawing.GraphicsUnit.Point:
return(72);
}
return(fDpi);
}
/// <summary>
/// 将图形坐标单位转换为图元坐标单位
/// </summary>
/// <param name="unit">图形坐标单位</param>
/// <returns>图元坐标单位</returns>
public static System.Drawing.Imaging.MetafileFrameUnit ConvertUnit(System.Drawing.GraphicsUnit unit)
{
if (unit == System.Drawing.GraphicsUnit.Document)
{
return(System.Drawing.Imaging.MetafileFrameUnit.Document);
}
if (unit == System.Drawing.GraphicsUnit.Inch)
{
return(System.Drawing.Imaging.MetafileFrameUnit.Inch);
}
if (unit == System.Drawing.GraphicsUnit.Millimeter)
{
return(System.Drawing.Imaging.MetafileFrameUnit.Millimeter);
}
if (unit == System.Drawing.GraphicsUnit.Pixel)
{
return(System.Drawing.Imaging.MetafileFrameUnit.Pixel);
}
if (unit == System.Drawing.GraphicsUnit.Point)
{
return(System.Drawing.Imaging.MetafileFrameUnit.Point);
}
return(System.Drawing.Imaging.MetafileFrameUnit.Pixel);
}
public static double GetRate(System.Drawing.GraphicsUnit unit)
{
return(GraphicsUnitConvert.GetRate(unit, System.Drawing.GraphicsUnit.Document) / 3.0);
}
/// <summary>
/// Select a font used to draw text on this <see cref="Canvas"/> class.
/// </summary>
/// <param name="fontName">The name of the font used to draw on the canvas.</param>
/// <param name="fontSize">The size of the font used to draw on the canvas.</param>
/// <param name="fontStyle">The style of the font used to draw on the canvas.</param>
/// <param name="unit">The GraphicsUnit of the new font. </param>
public void SelectFont(string fontName, float fontSize, System.Drawing.FontStyle fontStyle, System.Drawing.GraphicsUnit unit)
{
if (this.hdc != null)
{
if (this.hfont != null)
{
this.hfont.Dispose();
this.hfont = null;
}
// get a handle to the Font object.
using (System.Drawing.Font font = new System.Drawing.Font(fontName, fontSize, fontStyle, unit))
{
this.hfont = new SafeGdiObjectHandle(font.ToHfont(), true);
NativeMethods.SelectObject(this.hdc, this.hfont);
}
// select color
NativeMethods.SetBkMode(this.hdc, NativeMethods.TRANSPARENT);
NativeMethods.SetTextColor(this.hdc, System.Drawing.ColorTranslator.ToWin32(System.Drawing.Color.Black));
}
}
public Length(float Length, System.Drawing.GraphicsUnit Units)
{
this.length = Length;
this.units = new CoordinateSystem.Units(Units);
}
public double GetWidth(System.Drawing.GraphicsUnit unit)
{
return(GraphicsUnitConvert.Convert(intWidth * 3, System.Drawing.GraphicsUnit.Document, unit));
}
public Offset(System.Drawing.GraphicsUnit Unit)
{
DefaultUnits = new ACA.LabelX.Tools.CoordinateSystem.Units(Unit);
}
public LabelLayout(System.Drawing.GraphicsUnit unit)
{
this.DefaultUnits = new ACA.LabelX.Tools.CoordinateSystem.Units(unit);
}
/// <summary>
/// 将一个长度从旧单位换算成新单位使用的比率
/// </summary>
/// <param name="NewUnit">新单位</param>
/// <param name="OldUnit">旧单位</param>
/// <returns>比率数</returns>
public static double GetRate(System.Drawing.GraphicsUnit NewUnit, System.Drawing.GraphicsUnit OldUnit)
{
return(GetUnit(OldUnit) / GetUnit(NewUnit));
}
public double GetHeight(System.Drawing.GraphicsUnit unit)
{
return((int)GraphicsUnitConvert.Convert(intHeight * 3, System.Drawing.GraphicsUnit.Document, unit));
}
public void SetWidth(double vWidth, System.Drawing.GraphicsUnit unit)
{
intWidth = (int)(GraphicsUnitConvert.Convert(vWidth, unit, System.Drawing.GraphicsUnit.Document) / 3.0);
}
public System.Drawing.RectangleF GetBounds(System.Drawing.GraphicsUnit& pageUnit)
{
}
public void SetHeight(double vHeight, System.Drawing.GraphicsUnit unit)
{
intHeight = (int)(GraphicsUnitConvert.Convert(vHeight, unit, System.Drawing.GraphicsUnit.Document) / 3.0);
}
internal void DrawImage(System.Drawing.Bitmap bitmap, int p, int p_2, System.Drawing.Rectangle rectangle, System.Drawing.GraphicsUnit graphicsUnit)
{
throw new NotImplementedException();
}
internal void DrawImage(System.Drawing.Image paintBuffer, System.Drawing.RectangleF rectangleF, System.Drawing.RectangleF rectangleF_2, System.Drawing.GraphicsUnit graphicsUnit)
{
throw new NotImplementedException();
}
public static System.Drawing.RectangleF Convert(System.Drawing.RectangleF rect, System.Drawing.GraphicsUnit OldUnit, System.Drawing.GraphicsUnit NewUnit)
{
if (OldUnit == NewUnit)
{
return(rect);
}
else
{
double rate = GetRate(NewUnit, OldUnit);
return(new System.Drawing.RectangleF(
(float)(rect.X * rate),
(float)(rect.Y * rate),
(float)(rect.Width * rate),
(float)(rect.Height * rate)));
}
}
