public void Main()
{
IRenderingElement renderingElements = null;
#region
SvgDrawVisitor visitor = new SvgDrawVisitor(50, 50, Depiction.UnitsMM);
visitor.Visit(renderingElements);
string svg = visitor.ToString();
#endregion
}
public void Empty()
{
string empty = new SvgDrawVisitor(50, 50, Depiction.UnitsMM).ToString();
Assert.AreEqual(
"<?xml version='1.0' encoding='UTF-8'?>\n"
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"
+ "<svg version='1.2' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='50mm' height='50mm' viewBox='0 0 50 50'>\n"
+ " <desc>Generated by the Chemistry Development Kit (http://github.com/cdk)</desc>\n"
+ "</svg>\n",
empty);
}
public void MarkedElementTest()
{
SvgDrawVisitor visitor = new SvgDrawVisitor(50, 50, Depiction.UnitsMM);
visitor.Visit(MarkedElement.Markup(new LineElement(new WPF.Point(0, 0), new WPF.Point(1, 1), 0.5, Colors.Red), "test-class"));
Assert.AreEqual(
"<?xml version='1.0' encoding='UTF-8'?>\n"
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"
+ "<svg version='1.2' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='50mm' height='50mm' viewBox='0 0 50 50'>\n"
+ " <desc>Generated by the Chemistry Development Kit (http://github.com/cdk)</desc>\n"
+ " <g stroke-linecap='round' stroke-linejoin='round'>\n"
+ " <line x1='0' y1='0' x2='1' y2='1' stroke='#FF0000' stroke-width='0.5'/>\n"
+ " </g>\n"
+ "</svg>\n",
visitor.ToString());
}
public void RectElements()
{
SvgDrawVisitor visitor = new SvgDrawVisitor(100, 100, Depiction.UnitsMM);
visitor.Visit(new RectangleElement(new WPF::Rect(0, 0, 100, 100), Colors.White));
Assert.AreEqual(
"<?xml version='1.0' encoding='UTF-8'?>\n"
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"
+ "<svg version='1.2' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='100mm' height='100mm' viewBox='0 0 100 100'>\n"
+ " <desc>Generated by the Chemistry Development Kit (http://github.com/cdk)</desc>\n"
+ " <g stroke-linecap='round' stroke-linejoin='round'>\n"
+ " <rect x='0' y='-100' width='100' height='100' fill='none' stroke='#FFFFFF'/>\n"
+ " </g>\n"
+ "</svg>\n",
visitor.ToString());
}
public void TextElements()
{
SvgDrawVisitor visitor = new SvgDrawVisitor(100, 100, Depiction.UnitsMM);
visitor.Visit(new TextElement(new WPF::Point(50, 50), "PNG < EPS < SVG", Colors.Red));
Assert.AreEqual(
"<?xml version='1.0' encoding='UTF-8'?>\n"
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"
+ "<svg version='1.2' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='100mm' height='100mm' viewBox='0 0 100 100'>\n"
+ " <desc>Generated by the Chemistry Development Kit (http://github.com/cdk)</desc>\n"
+ " <g stroke-linecap='round' stroke-linejoin='round'>\n"
+ " <text x='50' y='50' fill='#FF0000' text-anchor='middle'>PNG < EPS < SVG</text>\n"
+ " </g>\n"
+ "</svg>\n",
visitor.ToString());
}
public void FilledPath()
{
SvgDrawVisitor visitor = new SvgDrawVisitor(50, 50, Depiction.UnitsMM);
visitor.Visit(GeneralPath.ShapeOf(CreateRoundRectangle(new WPF::Rect(0, 0, 10, 10), 2, 2), Colors.Blue));
var str = visitor.ToString();
Assert.AreEqual(
"<?xml version='1.0' encoding='UTF-8'?>\n"
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n"
+ "<svg version='1.2' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='50mm' height='50mm' viewBox='0 0 50 50'>\n"
+ " <desc>Generated by the Chemistry Development Kit (http://github.com/cdk)</desc>\n"
+ " <g stroke-linecap='round' stroke-linejoin='round'>\n"
+ " <path d='M1 0h8c0.55 0 1 0.45 1 1v8c0 0.55 -0.45 1 -1 1h-8c-0.55 0 -1 -0.45 -1 -1v-8c0 -0.55 0.45 -1 1 -1z' stroke='none' fill='#0000FF'/>\n"
+ " </g>\n"
+ "</svg>\n",
str);
}
internal override string ToVectorString(string fmt, string units)
{
// format margins and padding for raster images
var margin = GetMarginValue(
units.Equals(Depiction.UnitsMM) ?
DepictionGenerator.DefaultMillimeterMargin :
DepictionGenerator.DefaultPixelMargin);
var padding = GetPaddingValue(DefaultPaddingFactor * margin);
var scale = model.GetScale();
var zoom = model.GetZoomFactor();
// All vector graphics will be written in mm not px to we need to
// adjust the size of the molecules accordingly. For now the rescaling
// is fixed to the bond length proposed by ACS 1996 guidelines (~5mm)
if (units.Equals(Depiction.UnitsMM))
{
zoom *= RescaleForBondLength(Depiction.ACS1996BondLength);
}
// row and col offsets for alignment
var yOffset = new double[nRow + 1];
var xOffset = new double[nCol + 1];
var required = Dimensions.OfGrid(elements, yOffset, xOffset).Scale(zoom * scale);
var total = CalcTotalDimensions(margin, padding, required, fmt);
var fitting = CalcFitting(margin, padding, required, fmt);
// create the image for rendering
var visitor = new SvgDrawVisitor(total.width, total.height, units);
if (fmt.Equals(SvgFormatKey))
{
SvgPrevisit(fmt, scale * zoom * fitting, (SvgDrawVisitor)visitor, elements);
}
else
{
// TODO: handle rounding
// pdf can handle fraction coordinations just fine
// ((AWTDrawVisitor)visitor).setRounding(false);
}
visitor.Visit(new RectangleElement(new Point(0, -total.height), total.width, total.height, true, model.GetBackgroundColor()), new ScaleTransform(1, -1));
// compound the fitting and scaling into a single value
var rescale = zoom * fitting * scale;
// x,y base coordinates include the margin and centering (only if fitting to a size)
var xBase = margin + (total.width - 2 * margin - (nCol - 1) * padding - (rescale * xOffset[nCol])) / 2;
var yBase = margin + (total.height - 2 * margin - (nRow - 1) * padding - (rescale * yOffset[nRow])) / 2;
for (int i = 0; i < elements.Count; i++)
{
var row = i / nCol;
var col = i % nCol;
// calculate the 'view' bounds:
// amount of padding depends on which row or column we are in.
// the width/height of this col/row can be determined by the next offset
var x = xBase + col * padding + rescale * xOffset[col];
var y = yBase + row * padding + rescale * yOffset[row];
var w = rescale * (xOffset[col + 1] - xOffset[col]);
var h = rescale * (yOffset[row + 1] - yOffset[row]);
Draw(visitor, zoom, elements[i], new Rect(x, y, w, h));
}
return(visitor.ToString());
}
internal override string ToVectorString(string fmt, string units)
{
// format margins and padding for raster images
double scale = model.GetScale();
double margin = GetMarginValue(units.Equals(Depiction.UnitsMM) ?
DepictionGenerator.DefaultMillimeterMargin :
DepictionGenerator.DefaultPixelMargin);
double padding = GetPaddingValue(DefaultPaddingFactor * margin);
// All vector graphics will be written in mm not px to we need to
// adjust the size of the molecules accordingly. For now the rescaling
// is fixed to the bond length proposed by ACS 1996 guidelines (~5mm)
double zoom = model.GetZoomFactor();
if (units.Equals(Depiction.UnitsMM))
{
zoom *= RescaleForBondLength(Depiction.ACS1996BondLength);
}
// work out the required space of the main and side components separately
// will draw these in two passes (main then side) hence want different offsets for each
var nSideCol = xOffsetSide.Length - 1;
var nSideRow = yOffsetSide.Length - 1;
var sideRequired = sideDim.Scale(scale * zoom);
var mainRequired = mainDim.Scale(scale * zoom);
var condRequired = condDim.Scale(scale * zoom);
var titleRequired = new Dimensions(title.Width, title.Height).Scale(scale * zoom);
var firstRowHeight = scale * zoom * yOffsets[1];
var total = CalcTotalDimensions(margin, padding, mainRequired, sideRequired, titleRequired, firstRowHeight, fmt);
var fitting = CalcFitting(margin, padding, mainRequired, sideRequired, titleRequired, firstRowHeight, fmt);
var visitor = new SvgDrawVisitor(total.width, total.height, units);
if (fmt.Equals(SvgFormatKey))
{
SvgPrevisit(fmt, scale * zoom * fitting, (SvgDrawVisitor)visitor, mainComp);
}
else
{
// TODO: handle reounding
// pdf can handle fraction coordinates just fine
//((WPFDrawVisitor) visitor).SetRounding(false);
}
// background color
visitor.Visit(new RectangleElement(new Point(0, -total.height), total.width, total.height, true, model.GetBackgroundColor()), new ScaleTransform(1, -1));
// compound the zoom, fitting and scaling into a single value
var rescale = zoom * fitting * scale;
double mainCompOffset = 0;
// shift product x-offset to make room for the arrow / side components
mainCompOffset = fitting * sideRequired.height + nSideRow * padding - fitting * firstRowHeight / 2;
for (int i = arrowIdx + 1; i < xOffsets.Length; i++)
{
xOffsets[i] += sideRequired.width * 1 / (scale * zoom);
}
// MAIN COMPONENTS DRAW
// x,y base coordinates include the margin and centering (only if fitting to a size)
var totalRequiredWidth = 2 * margin + Math.Max(0, nCol - 1) * padding + Math.Max(0, nSideCol - 1) * padding + (rescale * xOffsets[nCol]);
var totalRequiredHeight = 2 * margin + Math.Max(0, nRow - 1) * padding + (!title.IsEmpty() ? padding : 0) + Math.Max(mainCompOffset, 0) + fitting * mainRequired.height + fitting * Math.Max(0, titleRequired.height);
var xBase = margin + (total.width - totalRequiredWidth) / 2;
var yBase = margin + Math.Max(mainCompOffset, 0) + (total.height - totalRequiredHeight) / 2;
for (int i = 0; i < mainComp.Count; i++)
{
var row = i / nCol;
var col = i % nCol;
// calculate the 'view' bounds:
// amount of padding depends on which row or column we are in.
// the width/height of this col/row can be determined by the next offset
var x = xBase + col * padding + rescale * xOffsets[col];
var y = yBase + row * padding + rescale * yOffsets[row];
var w = rescale * (xOffsets[col + 1] - xOffsets[col]);
var h = rescale * (yOffsets[row + 1] - yOffsets[row]);
// intercept arrow draw and make it as big as need
if (i == arrowIdx)
{
w = rescale * (xOffsets[i + 1] - xOffsets[i]) + Math.Max(0, nSideCol - 1) * padding;
Draw(visitor,
1, // no zoom since arrows is drawn as big as needed
CreateArrow(w, arrowHeight * rescale),
MakeRect(x, y, w, h));
continue;
}
// extra padding from the side components
if (i > arrowIdx)
{
x += Math.Max(0, nSideCol - 1) * padding;
}
// skip empty elements
var bounds = this.mainComp[i];
if (bounds.IsEmpty())
{
continue;
}
Draw(visitor, zoom, bounds, MakeRect(x, y, w, h));
}
// RXN TITLE DRAW
if (!title.IsEmpty())
{
var y = yBase + nRow * padding + rescale * yOffsets[nRow];
var h = rescale * title.Height;
Draw(visitor, zoom, title, MakeRect(0, y, total.width, h));
}
// SIDE COMPONENTS DRAW
xBase += arrowIdx * padding + rescale * xOffsets[arrowIdx];
yBase -= mainCompOffset;
for (int i = 0; i < sideComps.Count; i++)
{
int row = i / nSideCol;
int col = i % nSideCol;
// calculate the 'view' bounds:
// amount of padding depends on which row or column we are in.
// the width/height of this col/row can be determined by the next offset
var x = xBase + col * padding + rescale * xOffsetSide[col];
var y = yBase + row * padding + rescale * yOffsetSide[row];
var w = rescale * (xOffsetSide[col + 1] - xOffsetSide[col]);
var h = rescale * (yOffsetSide[row + 1] - yOffsetSide[row]);
Draw(visitor, zoom, sideComps[i], MakeRect(x, y, w, h));
}
// CONDITIONS DRAW
if (!conditions.IsEmpty())
{
yBase += mainCompOffset; // back to top
yBase += (fitting * mainRequired.height) / 2; // now on center line (arrow)
yBase += arrowHeight; // now just bellow
Draw(visitor, zoom, conditions, MakeRect(xBase,
yBase,
fitting * condRequired.width, fitting * condRequired.height));
}
// reset shared xOffsets
if (sideComps.Any())
{
for (int i = arrowIdx + 1; i < xOffsets.Length; i++)
{
xOffsets[i] -= sideRequired.width * 1 / (scale * zoom);
}
}
return(visitor.ToString());
}
protected internal void SvgPrevisit(string fmt, double rescale, SvgDrawVisitor visitor, IEnumerable <IRenderingElement> elements)
{
visitor.Transform = new TranslateTransform(rescale, rescale);
visitor.Previsit(elements);
visitor.Transform = null;
}