public void ReadAll()
{
if (Meta.ReadInt() != unchecked ((int)0x9AC6CDD7))
{
throw new DocumentException("Not a placeable windows metafile");
}
Meta.ReadWord();
_left = Meta.ReadShort();
_top = Meta.ReadShort();
_right = Meta.ReadShort();
_bottom = Meta.ReadShort();
_inch = Meta.ReadWord();
_state.ScalingX = (_right - _left) / (float)_inch * 72f;
_state.ScalingY = (_bottom - _top) / (float)_inch * 72f;
_state.OffsetWx = _left;
_state.OffsetWy = _top;
_state.ExtentWx = _right - _left;
_state.ExtentWy = _bottom - _top;
Meta.ReadInt();
Meta.ReadWord();
Meta.Skip(18);
int tsize;
int function;
Cb.SetLineCap(1);
Cb.SetLineJoin(1);
for (; ;)
{
var lenMarker = Meta.Length;
tsize = Meta.ReadInt();
if (tsize < 3)
{
break;
}
function = Meta.ReadWord();
switch (function)
{
case 0:
break;
case META_CREATEPALETTE:
case META_CREATEREGION:
case META_DIBCREATEPATTERNBRUSH:
_state.AddMetaObject(new MetaObject());
break;
case META_CREATEPENINDIRECT:
{
var pen = new MetaPen();
pen.Init(Meta);
_state.AddMetaObject(pen);
break;
}
case META_CREATEBRUSHINDIRECT:
{
var brush = new MetaBrush();
brush.Init(Meta);
_state.AddMetaObject(brush);
break;
}
case META_CREATEFONTINDIRECT:
{
var font = new MetaFont();
font.Init(Meta);
_state.AddMetaObject(font);
break;
}
case META_SELECTOBJECT:
{
var idx = Meta.ReadWord();
_state.SelectMetaObject(idx, Cb);
break;
}
case META_DELETEOBJECT:
{
var idx = Meta.ReadWord();
_state.DeleteMetaObject(idx);
break;
}
case META_SAVEDC:
_state.SaveState(Cb);
break;
case META_RESTOREDC:
{
var idx = Meta.ReadShort();
_state.RestoreState(idx, Cb);
break;
}
case META_SETWINDOWORG:
_state.OffsetWy = Meta.ReadShort();
_state.OffsetWx = Meta.ReadShort();
break;
case META_SETWINDOWEXT:
_state.ExtentWy = Meta.ReadShort();
_state.ExtentWx = Meta.ReadShort();
break;
case META_MOVETO:
{
var y = Meta.ReadShort();
var p = new System.Drawing.Point(Meta.ReadShort(), y);
_state.CurrentPoint = p;
break;
}
case META_LINETO:
{
var y = Meta.ReadShort();
var x = Meta.ReadShort();
var p = _state.CurrentPoint;
Cb.MoveTo(_state.TransformX(p.X), _state.TransformY(p.Y));
Cb.LineTo(_state.TransformX(x), _state.TransformY(y));
Cb.Stroke();
_state.CurrentPoint = new System.Drawing.Point(x, y);
break;
}
case META_POLYLINE:
{
_state.LineJoinPolygon = Cb;
var len = Meta.ReadWord();
var x = Meta.ReadShort();
var y = Meta.ReadShort();
Cb.MoveTo(_state.TransformX(x), _state.TransformY(y));
for (var k = 1; k < len; ++k)
{
x = Meta.ReadShort();
y = Meta.ReadShort();
Cb.LineTo(_state.TransformX(x), _state.TransformY(y));
}
Cb.Stroke();
break;
}
case META_POLYGON:
{
if (IsNullStrokeFill(false))
{
break;
}
var len = Meta.ReadWord();
var sx = Meta.ReadShort();
var sy = Meta.ReadShort();
Cb.MoveTo(_state.TransformX(sx), _state.TransformY(sy));
for (var k = 1; k < len; ++k)
{
var x = Meta.ReadShort();
var y = Meta.ReadShort();
Cb.LineTo(_state.TransformX(x), _state.TransformY(y));
}
Cb.LineTo(_state.TransformX(sx), _state.TransformY(sy));
StrokeAndFill();
break;
}
case META_POLYPOLYGON:
{
if (IsNullStrokeFill(false))
{
break;
}
var numPoly = Meta.ReadWord();
var lens = new int[numPoly];
for (var k = 0; k < lens.Length; ++k)
{
lens[k] = Meta.ReadWord();
}
for (var j = 0; j < lens.Length; ++j)
{
var len = lens[j];
var sx = Meta.ReadShort();
var sy = Meta.ReadShort();
Cb.MoveTo(_state.TransformX(sx), _state.TransformY(sy));
for (var k = 1; k < len; ++k)
{
var x = Meta.ReadShort();
var y = Meta.ReadShort();
Cb.LineTo(_state.TransformX(x), _state.TransformY(y));
}
Cb.LineTo(_state.TransformX(sx), _state.TransformY(sy));
}
StrokeAndFill();
break;
}
case META_ELLIPSE:
{
if (IsNullStrokeFill(_state.LineNeutral))
{
break;
}
var b = Meta.ReadShort();
var r = Meta.ReadShort();
var t = Meta.ReadShort();
var l = Meta.ReadShort();
Cb.Arc(_state.TransformX(l), _state.TransformY(b), _state.TransformX(r), _state.TransformY(t), 0, 360);
StrokeAndFill();
break;
}
case META_ARC:
{
if (IsNullStrokeFill(_state.LineNeutral))
{
break;
}
var yend = _state.TransformY(Meta.ReadShort());
var xend = _state.TransformX(Meta.ReadShort());
var ystart = _state.TransformY(Meta.ReadShort());
var xstart = _state.TransformX(Meta.ReadShort());
var b = _state.TransformY(Meta.ReadShort());
var r = _state.TransformX(Meta.ReadShort());
var t = _state.TransformY(Meta.ReadShort());
var l = _state.TransformX(Meta.ReadShort());
var cx = (r + l) / 2;
var cy = (t + b) / 2;
var arc1 = GetArc(cx, cy, xstart, ystart);
var arc2 = GetArc(cx, cy, xend, yend);
arc2 -= arc1;
if (arc2 <= 0)
{
arc2 += 360;
}
Cb.Arc(l, b, r, t, arc1, arc2);
Cb.Stroke();
break;
}
case META_PIE:
{
if (IsNullStrokeFill(_state.LineNeutral))
{
break;
}
var yend = _state.TransformY(Meta.ReadShort());
var xend = _state.TransformX(Meta.ReadShort());
var ystart = _state.TransformY(Meta.ReadShort());
var xstart = _state.TransformX(Meta.ReadShort());
var b = _state.TransformY(Meta.ReadShort());
var r = _state.TransformX(Meta.ReadShort());
var t = _state.TransformY(Meta.ReadShort());
var l = _state.TransformX(Meta.ReadShort());
var cx = (r + l) / 2;
var cy = (t + b) / 2;
var arc1 = GetArc(cx, cy, xstart, ystart);
var arc2 = GetArc(cx, cy, xend, yend);
arc2 -= arc1;
if (arc2 <= 0)
{
arc2 += 360;
}
var ar = PdfContentByte.BezierArc(l, b, r, t, arc1, arc2);
if (ar.Count == 0)
{
break;
}
var pt = (float[])ar[0];
Cb.MoveTo(cx, cy);
Cb.LineTo(pt[0], pt[1]);
for (var k = 0; k < ar.Count; ++k)
{
pt = (float[])ar[k];
Cb.CurveTo(pt[2], pt[3], pt[4], pt[5], pt[6], pt[7]);
}
Cb.LineTo(cx, cy);
StrokeAndFill();
break;
}
case META_CHORD:
{
if (IsNullStrokeFill(_state.LineNeutral))
{
break;
}
var yend = _state.TransformY(Meta.ReadShort());
var xend = _state.TransformX(Meta.ReadShort());
var ystart = _state.TransformY(Meta.ReadShort());
var xstart = _state.TransformX(Meta.ReadShort());
var b = _state.TransformY(Meta.ReadShort());
var r = _state.TransformX(Meta.ReadShort());
var t = _state.TransformY(Meta.ReadShort());
var l = _state.TransformX(Meta.ReadShort());
var cx = (r + l) / 2;
var cy = (t + b) / 2;
var arc1 = GetArc(cx, cy, xstart, ystart);
var arc2 = GetArc(cx, cy, xend, yend);
arc2 -= arc1;
if (arc2 <= 0)
{
arc2 += 360;
}
var ar = PdfContentByte.BezierArc(l, b, r, t, arc1, arc2);
if (ar.Count == 0)
{
break;
}
var pt = (float[])ar[0];
cx = pt[0];
cy = pt[1];
Cb.MoveTo(cx, cy);
for (var k = 0; k < ar.Count; ++k)
{
pt = (float[])ar[k];
Cb.CurveTo(pt[2], pt[3], pt[4], pt[5], pt[6], pt[7]);
}
Cb.LineTo(cx, cy);
StrokeAndFill();
break;
}
case META_RECTANGLE:
{
if (IsNullStrokeFill(true))
{
break;
}
var b = _state.TransformY(Meta.ReadShort());
var r = _state.TransformX(Meta.ReadShort());
var t = _state.TransformY(Meta.ReadShort());
var l = _state.TransformX(Meta.ReadShort());
Cb.Rectangle(l, b, r - l, t - b);
StrokeAndFill();
break;
}
case META_ROUNDRECT:
{
if (IsNullStrokeFill(true))
{
break;
}
var h = _state.TransformY(0) - _state.TransformY(Meta.ReadShort());
var w = _state.TransformX(Meta.ReadShort()) - _state.TransformX(0);
var b = _state.TransformY(Meta.ReadShort());
var r = _state.TransformX(Meta.ReadShort());
var t = _state.TransformY(Meta.ReadShort());
var l = _state.TransformX(Meta.ReadShort());
Cb.RoundRectangle(l, b, r - l, t - b, (h + w) / 4);
StrokeAndFill();
break;
}
case META_INTERSECTCLIPRECT:
{
var b = _state.TransformY(Meta.ReadShort());
var r = _state.TransformX(Meta.ReadShort());
var t = _state.TransformY(Meta.ReadShort());
var l = _state.TransformX(Meta.ReadShort());
Cb.Rectangle(l, b, r - l, t - b);
Cb.EoClip();
Cb.NewPath();
break;
}
case META_EXTTEXTOUT:
{
var y = Meta.ReadShort();
var x = Meta.ReadShort();
var count = Meta.ReadWord();
var flag = Meta.ReadWord();
var x1 = 0;
var y1 = 0;
var x2 = 0;
var y2 = 0;
if ((flag & (MetaFont.ETO_CLIPPED | MetaFont.ETO_OPAQUE)) != 0)
{
x1 = Meta.ReadShort();
y1 = Meta.ReadShort();
x2 = Meta.ReadShort();
y2 = Meta.ReadShort();
}
var text = new byte[count];
int k;
for (k = 0; k < count; ++k)
{
var c = (byte)Meta.ReadByte();
if (c == 0)
{
break;
}
text[k] = c;
}
string s;
try
{
s = EncodingsRegistry.Instance.GetEncoding(1252).GetString(text, 0, k);
}
catch
{
s = System.Text.Encoding.ASCII.GetString(text, 0, k);
}
OutputText(x, y, flag, x1, y1, x2, y2, s);
break;
}
case META_TEXTOUT:
{
var count = Meta.ReadWord();
var text = new byte[count];
int k;
for (k = 0; k < count; ++k)
{
var c = (byte)Meta.ReadByte();
if (c == 0)
{
break;
}
text[k] = c;
}
string s;
try
{
s = EncodingsRegistry.Instance.GetEncoding(1252).GetString(text, 0, k);
}
catch
{
s = System.Text.Encoding.ASCII.GetString(text, 0, k);
}
count = (count + 1) & 0xfffe;
Meta.Skip(count - k);
var y = Meta.ReadShort();
var x = Meta.ReadShort();
OutputText(x, y, 0, 0, 0, 0, 0, s);
break;
}
case META_SETBKCOLOR:
_state.CurrentBackgroundColor = Meta.ReadColor();
break;
case META_SETTEXTCOLOR:
_state.CurrentTextColor = Meta.ReadColor();
break;
case META_SETTEXTALIGN:
_state.TextAlign = Meta.ReadWord();
break;
case META_SETBKMODE:
_state.BackgroundMode = Meta.ReadWord();
break;
case META_SETPOLYFILLMODE:
_state.PolyFillMode = Meta.ReadWord();
break;
case META_SETPIXEL:
{
var color = Meta.ReadColor();
var y = Meta.ReadShort();
var x = Meta.ReadShort();
Cb.SaveState();
Cb.SetColorFill(color);
Cb.Rectangle(_state.TransformX(x), _state.TransformY(y), .2f, .2f);
Cb.Fill();
Cb.RestoreState();
break;
}
case META_DIBSTRETCHBLT:
case META_STRETCHDIB:
{
var rop = Meta.ReadInt();
if (function == META_STRETCHDIB)
{
/*int usage = */
Meta.ReadWord();
}
var srcHeight = Meta.ReadShort();
var srcWidth = Meta.ReadShort();
var ySrc = Meta.ReadShort();
var xSrc = Meta.ReadShort();
var destHeight = _state.TransformY(Meta.ReadShort()) - _state.TransformY(0);
var destWidth = _state.TransformX(Meta.ReadShort()) - _state.TransformX(0);
var yDest = _state.TransformY(Meta.ReadShort());
var xDest = _state.TransformX(Meta.ReadShort());
var b = new byte[(tsize * 2) - (Meta.Length - lenMarker)];
for (var k = 0; k < b.Length; ++k)
{
b[k] = (byte)Meta.ReadByte();
}
try
{
var inb = new MemoryStream(b);
var bmp = BmpImage.GetImage(inb, true, b.Length);
Cb.SaveState();
Cb.Rectangle(xDest, yDest, destWidth, destHeight);
Cb.Clip();
Cb.NewPath();
bmp.ScaleAbsolute(destWidth * bmp.Width / srcWidth, -destHeight * bmp.Height / srcHeight);
bmp.SetAbsolutePosition(xDest - destWidth * xSrc / srcWidth, yDest + destHeight * ySrc / srcHeight - bmp.ScaledHeight);
Cb.AddImage(bmp);
Cb.RestoreState();
}
catch
{
// empty on purpose
}
break;
}
}
Meta.Skip((tsize * 2) - (Meta.Length - lenMarker));
}
_state.Cleanup(Cb);
}
