protected override void Merge_Internal(string[] svgFiles, MergeOptions options, SVGDocument svgContainer)
{
double borderStrokeFloat = options.BorderStroke;
double separatorStrokeFloat = options.SeparatorStroke;
var gRootContainer =
(SVGGElement)svgContainer.CreateElementNS("http://www.w3.org/2000/svg", "g");
var viewBoxWidth = 400f; //100f; //300f;
float widthDocumentRootElement = 0;
for (int i = 0; i < svgFiles.Length; i++)
{
using (var svgDocument = new SVGDocument(svgFiles[i]))
{
var currentWidth = svgDocument.RootElement.GetBBox().Width;
if (widthDocumentRootElement < currentWidth)
{
widthDocumentRootElement = currentWidth;
}
}
}
var childWidthFloat = widthDocumentRootElement;
int separatorAmount = svgFiles.Length - 1;
// 1. First Step
// Obtain height of single SVG block and total height
// ================================
double ratio;
float svgFirstDocumentHeight;
using (var svgFirstDocument = new SVGDocument(svgFiles[0]))
{
var widthFirstDocumentRootElement = svgFirstDocument.RootElement.GetBBox().Width;
ratio = childWidthFloat / widthFirstDocumentRootElement;
svgFirstDocumentHeight = svgFirstDocument.RootElement.GetBBox().Height;
}
var currentHeightFloat = ratio * svgFirstDocumentHeight;
var currentHeightString = GetCulturedString(currentHeightFloat);
var totalHeightFloat =
currentHeightFloat * svgFiles.Length + separatorStrokeFloat * svgFiles.Length - 1;
// 2. RootElement attributes
// ================================
svgContainer.RootElement.ViewBox.BaseVal.X = 0;
svgContainer.RootElement.ViewBox.BaseVal.Y = 0;
svgContainer.RootElement.ViewBox.BaseVal.Width = viewBoxWidth;
svgContainer.RootElement.ViewBox.BaseVal.Height =
(float)(totalHeightFloat + 2 * borderStrokeFloat + 2 * separatorStrokeFloat);
svgContainer.RootElement.SetAttribute("width", "100%");
svgContainer.RootElement.SetAttribute("height", "100%");
// 3. Border Container
// ================================
if (options.IsBordered && options.BorderStroke > 0)
{
var borderDescription = new BorderDescription(
borderStrokeFloat,
borderStrokeFloat / 2,
borderStrokeFloat / 2,
childWidthFloat + 2 * separatorStrokeFloat + borderStrokeFloat,
totalHeightFloat + 2 * separatorStrokeFloat + borderStrokeFloat,
options.BorderColor);
var gBorderContainer = GetBorderContainer(svgContainer, borderDescription);
gRootContainer.AppendChild(gBorderContainer);
}
// 4. Separator Container
// ================================
if (options.IsWithSeparator && options.SeparatorStroke > 0)
{
var separatorDescription = new SeparatorDescription(
separatorAmount,
separatorStrokeFloat,
borderStrokeFloat,
borderStrokeFloat + separatorStrokeFloat,
childWidthFloat + 2 * separatorStrokeFloat,
currentHeightFloat,
options.SeparatorColor);
var gSeparatorContainer = GetSeparatorContainer(svgContainer, separatorDescription);
gRootContainer.AppendChild(gSeparatorContainer);
}
// 5. Add child svg content
// ================================
double currentY = borderStrokeFloat + separatorStrokeFloat;
var childWidthSting = GetCulturedString(childWidthFloat);
var xOffsetString = GetCulturedString(borderStrokeFloat + separatorStrokeFloat);
foreach (var svgFile in svgFiles)
{
var svgDocument = new SVGDocument(svgFile);
svgDocument.RootElement.SetAttribute("width", childWidthSting);
svgDocument.RootElement.SetAttribute("height", currentHeightString);
svgDocument.RootElement.SetAttribute("x", xOffsetString);
svgDocument.RootElement.SetAttribute("y", GetCulturedString(currentY));
var gSampleContainer =
(SVGGElement)svgContainer.CreateElementNS("http://www.w3.org/2000/svg", "g");
currentY += currentHeightFloat + separatorStrokeFloat;
gSampleContainer.AppendChild(svgDocument.RootElement);
gRootContainer.AppendChild(gSampleContainer);
svgDocument.Dispose();
}
svgContainer.RootElement.AppendChild(gRootContainer);
}
protected abstract void Merge_Internal(string[] svgFiles, MergeOptions options, SVGDocument svgContainer);
