public override Box CreateBox()
{
List <List <Box> > boxes = ListPool <List <Box> > .Get();
List <float> boxesHeight = ListPool <float> .Get();
List <float> boxesShift = ListPool <float> .Get();
List <float> boxesWidth = ListPool <float> .Get();
TexContext.Environment.Push(TexUtility.GetCrampedStyle());
float padding = TEXConfiguration.main.MatrixMargin * TexContext.Scale;
for (int i = 0; i < Elements.Count; i++)
{
boxes.Add(ListPool <Box> .Get());
float h = 0f, d = 0f;
for (int j = 0; j < Elements[i].Count; j++)
{
Box box;
if (Elements[i][j] != null)
{
box = (Elements[i][j].CreateBox());
}
else
{
box = (ObjPool <StrutBox> .Get());
}
boxes[i].Add(box);
if (j >= boxesWidth.Count)
{
boxesWidth.Add(box.width);
}
else
{
boxesWidth[j] = Mathf.Max(boxesWidth[j], box.width);
}
h = Mathf.Max(h, box.height);
d = Mathf.Max(d, box.depth);
}
boxesHeight.Add(Mathf.Max(h + d, padding / 2f));
boxesShift.Add(h);
}
bool outsideGap = (horizontalLine > 0 && (enumContains(horizontalLine, 0) || enumContains(horizontalLine, 4))) ||
(verticalLine > 0 && (enumContains(verticalLine, 0) || enumContains(verticalLine, 4)));
var vBox = VerticalBox.Get();
Box resultBox = vBox;
Box kern = null;
Box kernHalf = null;
if (boxesWidth.Count > 1 || boxesHeight.Count > 1)
{
kern = StrutBox.Get(padding, padding, 0, 0);
}
if (outsideGap)
{
kernHalf = StrutBox.Get(padding / 2f, padding / 2f, 0, 0);
vBox.Add(kernHalf);
}
TexAlignment firstRowH = alterH(horizontalAlign % 8);
TexAlignment firstRowV = alterV(verticalAlign % 8);
TexAlignment firstColH = alterH((horizontalAlign >> 3) % 8);
TexAlignment firstColV = alterV((verticalAlign >> 3) % 8);
TexAlignment bodyH = alterH((horizontalAlign >> 6) % 8);
TexAlignment bodyV = alterV((verticalAlign >> 6) % 8);
for (int i = 0; i < Elements.Count; i++)
{
var list = HorizontalBox.Get();
if (outsideGap)
{
list.Add(kernHalf);
}
for (int j = 0; j < Elements[i].Count; j++)
{
if (i == 0)
{
list.Add(VerticalBox.Get(HorizontalBox.Get(boxes[i][j], boxesWidth[j], firstRowH), boxesHeight[i], firstRowV));
}
else if (j == 0)
{
list.Add(VerticalBox.Get(HorizontalBox.Get(boxes[i][j], boxesWidth[j], firstColH), boxesHeight[i], firstColV));
}
else
{
list.Add(VerticalBox.Get(HorizontalBox.Get(boxes[i][j], boxesWidth[j], bodyH), boxesHeight[i], bodyV));
}
if (j < Elements[i].Count - 1)
{
list.Add(kern);
}
else if (outsideGap)
{
list.Add(kernHalf);
}
}
list.depth = boxesHeight[i] - list.height;
vBox.Add(list);
if (i < Elements.Count - 1)
{
vBox.Add(kern);
}
else if (outsideGap)
{
vBox.Add(kernHalf);
}
}
var lineThick = TEXConfiguration.main.LineThickness * TexContext.Scale;
//Add horizontal lines for table
if (horizontalLine > 0)
{
var outside = enumContains(horizontalLine, 0);
var first = enumContains(horizontalLine, 1);
var inset = enumContains(horizontalLine, 2);
var firstThick = enumContains(horizontalLine, 3);
var outsideThick = enumContains(horizontalLine, 4);
float gapX = (padding - lineThick);
float gapXThick = (padding - (lineThick * 2));
float gapXNone = (padding);
float gapOutside = (outside ? (outsideThick ? gapXThick : gapX) : gapXNone);
float gapInset = (inset ? gapX : gapXNone);
float lineOutside = outsideThick ? lineThick * 2 : lineThick;
var insideBox = resultBox;
var hBox = HorizontalBox.Get(resultBox);
resultBox = hBox;
if (outsideGap)
{
hBox.Add(StrutBox.Get(-insideBox.width - lineOutside / 2f, 0, 0, 0));
}
else
{
hBox.Add(StrutBox.Get(-insideBox.width - lineOutside * 1.5f, 0, 0, 0));
}
for (int i = 0; i < boxesWidth.Count; i++)
{
if (i == 0)
{
if (outside)
{
hBox.Add(HorizontalRule.Get(insideBox.height, lineOutside, 0, insideBox.depth));
}
hBox.Add(StrutBox.Get(boxesWidth[i] + gapOutside, 0, 0, 0));
continue;
}
if (i == 1)
{
if (first)
{
hBox.Add(HorizontalRule.Get(insideBox.height, firstThick ? lineThick * 2 : lineThick, 0, insideBox.depth));
}
hBox.Add(StrutBox.Get(boxesWidth[i] + (first ? (firstThick ? gapXThick : gapX) : gapXNone), 0, 0, 0));
continue;
}
if (inset)
{
hBox.Add(HorizontalRule.Get(insideBox.height, lineThick, 0, insideBox.depth));
}
hBox.Add(StrutBox.Get(boxesWidth[i] + gapInset, 0, 0, 0));
}
if (outside)
{
hBox.Add(HorizontalRule.Get(insideBox.height, lineOutside, 0, insideBox.depth));
}
}
if (verticalLine > 0)
{
var outside = enumContains(verticalLine, 0);
var first = enumContains(verticalLine, 1);
var inset = enumContains(verticalLine, 2);
var firstThick = enumContains(verticalLine, 3);
var outsideThick = enumContains(verticalLine, 4);
float gapX = (padding - lineThick);
float gapXThick = (padding - (lineThick * 2));
float gapXNone = (padding);
float gapOutside = (outside ? (outsideThick ? gapXThick : gapX) : gapXNone);
float gapInset = (inset ? gapX : gapXNone);
float lineOutside = outsideThick ? lineThick * 2 : lineThick;
var insideBox = resultBox;
var size = insideBox.width;
vBox = VerticalBox.Get(resultBox);
resultBox = vBox;
if (outsideGap)
{
vBox.Add(StrutBox.Get(0, -insideBox.totalHeight - lineOutside / 2f, 0, 0));
}
else
{
vBox.Add(StrutBox.Get(0, -insideBox.totalHeight, 0, 0));
}
for (int i = 0; i < boxesHeight.Count; i++)
{
if (i == 0)
{
if (outside)
{
vBox.Add(HorizontalRule.Get(lineOutside, size, 0));
}
vBox.Add(StrutBox.Get(0, boxesHeight[i] + (outsideGap ? gapOutside : gapOutside / 2f), 0, 0));
}
else if (i == 1)
{
if (first)
{
vBox.Add(HorizontalRule.Get(firstThick ? lineThick * 2 : lineThick, size, 0));
}
var thick = (first ? (firstThick ? gapXThick : gapX) : gapXNone);
vBox.Add(StrutBox.Get(0, boxesHeight[i] + (boxesHeight.Count == 2 && !outsideGap ? thick / 2f : thick), 0, 0));
}
else
{
if (inset)
{
vBox.Add(HorizontalRule.Get(lineThick, size, 0));
}
vBox.Add(StrutBox.Get(0, boxesHeight[i] + (i < boxesHeight.Count - 1 || outsideGap ? gapInset : gapInset / 2f), 0, 0));
}
}
if (outside && outsideGap)
{
vBox.Add(HorizontalRule.Get(lineOutside, size, 0, 0));
}
}
TexUtility.CentreBox(resultBox);
TexContext.Environment.Pop();
//Clear resources
ListPool <float> .Release(boxesHeight);
ListPool <float> .Release(boxesWidth);
ListPool <float> .Release(boxesShift);
for (int i = 0; i < boxes.Count; i++)
{
ListPool <Box> .ReleaseNoFlush(boxes[i]);
}
ListPool <List <Box> > .ReleaseNoFlush(boxes);
return(resultBox);
}
public static Box CreateBoxHorizontal(string symbol, float minWidth)
{
minWidth += TEXConfiguration.main.DelimiterRecursiveOffset;
var ch = TEXPreference.main.GetChar(symbol).GetMetric();
var ch2 = TEXPreference.main.GetChar(symbol);
bool isAlreadyHorizontal = true;
while (ch2 != null)
{
if (ch2.extensionExist && !ch2.extensionHorizontal)
{
isAlreadyHorizontal = false;
break;
}
ch2 = ch2.nextLarger;
}
// Find first version of character that has at least minimum width.
var totalWidth = isAlreadyHorizontal ? ch.bearing + ch.italic : ch.totalHeight;
while (totalWidth < minWidth && ch.ch.nextLargerExist)
{
ch.Flush();
ch = ch.ch.nextLarger.GetMetric();
totalWidth = isAlreadyHorizontal ? ch.bearing + ch.italic : ch.totalHeight;
}
if (totalWidth < minWidth && ch.ch.extensionExist)
{
var resultBox = HorizontalBox.Get();
resultBox.ExtensionMode = true;
// Construct box from extension character.
var ext = ch.ch.GetExtentMetrics();
if (isAlreadyHorizontal)
{
if (ext[0] != null)
{
resultBox.Add(ext[0]);
}
if (ext[1] != null)
{
resultBox.Add(ext[1]);
}
if (ext[2] != null)
{
resultBox.Add(ext[2]);
}
}
else
{
if (ext[2] != null)
{
resultBox.Add(RotatedCharBox.Get(ext[2]));
}
if (ext[1] != null)
{
resultBox.Add(RotatedCharBox.Get(ext[1]));
}
if (ext[0] != null)
{
resultBox.Add(RotatedCharBox.Get(ext[0]));
}
}
// Insert repeatable part multiple times until box is high enough.
if (ext[3] != null)
{
Box repeatBox = isAlreadyHorizontal ? (Box)ext[3] : RotatedCharBox.Get(ext[3]);
do
{
if (ext[0] != null && ext[2] != null)
{
resultBox.Add(1, repeatBox);
if (ext[1] != null)
{
resultBox.Add(resultBox.children.Count - 1, repeatBox);
}
}
else if (ext[2] != null)
{
resultBox.Add(0, repeatBox);
}
else
{
resultBox.Add(repeatBox);
}
}while (resultBox.width < minWidth);
}
return(resultBox);
}
else
{
// Just enough
if (isAlreadyHorizontal)
{
return(ch);
}
else
{
return(RotatedCharBox.Get(ch.ch));
}
}
}
