/// <summary>
/// <para>Produces unmeasured display blocks from a single hybrid text. Marks highlights, if any.</para>
/// <para>Does not fill in blocks' size, but fills in everything else.</para>
/// </summary>
/// <param name="htxt">Hybrid text to break down into blocks and measure.</param>
/// <param name="isMeta">True if this is a domain or note (displayed in italics).</param>
/// <param name="hl">Highlight to show in hybrid text, or null.</param>
/// <param name="blocks">List of blocks to append to.</param>
/// <param name="links">List to gather links (appending to list).</param>
private void makeBlocks(HybridText htxt, bool isMeta, CedictTargetHighlight hl,
List<Block> blocks, List<LinkArea> links)
{
byte fntIdxLatin = isMeta ? fntMetaLatin : fntSenseLatin;
byte fntIdxZhoSimp = isMeta ? fntMetaHanziSimp : fntSenseHanziSimp;
byte fntIdxZhoTrad = isMeta ? fntMetaHanziTrad : fntSenseHanziTrad;
// Go run by run
for (int runIX = 0; runIX != htxt.RunCount; ++runIX)
{
TextRun run = htxt.GetRunAt(runIX);
// Latin run: split by spaces first
if (run is TextRunLatin)
{
string[] bySpaces = run.GetPlainText().Split(new char[] { ' ' });
// Each word: also by dash
int latnPos = 0;
foreach (string str in bySpaces)
{
string[] byDashes = splitByDash(str);
// Add block for each
int ofsPos = 0;
foreach (string blockStr in byDashes)
{
Block tb = new Block
{
TextPos = textPool.PoolString(blockStr),
FontIdx = fntIdxLatin,
SpaceAfter = false, // will set this true for last block in "byDashes"
};
// Does block's text intersect with highlight?
if (hl != null && hl.RunIx == runIX)
{
int blockStart = latnPos + ofsPos;
int blockEnd = blockStart + blockStr.Length;
if (blockStart >= hl.HiliteStart && blockStart < hl.HiliteStart + hl.HiliteLength)
tb.Hilite = true;
else if (blockEnd > hl.HiliteStart && blockEnd <= hl.HiliteStart + hl.HiliteLength)
tb.Hilite = true;
else if (blockStart < hl.HiliteStart && blockEnd >= hl.HiliteStart + hl.HiliteLength)
tb.Hilite = true;
}
blocks.Add(tb);
// Keep track of position for highlight
ofsPos += blockStr.Length;
}
// Make sure last one is followed by space
Block xb = blocks[blocks.Count - 1];
xb.SpaceAfter = true;
blocks[blocks.Count - 1] = xb;
// Keep track of position in text - for highlights
latnPos += str.Length + 1;
}
}
// Chinese: depends on T/S/Both display mode, and on available info
else
{
TextRunZho zhoRun = run as TextRunZho;
// Chinese range is made up of:
// Simplified (empty string if only traditional requested)
// Separator (if both simplified and traditional are requested)
// Traditional (empty string if only simplified requested)
// Pinyin with accents as tone marks, in brackets (if present)
string strSimp = string.Empty;
if (analyzedScript != SearchScript.Traditional && zhoRun.Simp != null) strSimp = zhoRun.Simp;
string strTrad = string.Empty;
if (analyzedScript != SearchScript.Simplified && zhoRun.Trad != null) strTrad = zhoRun.Trad;
string strPy = string.Empty;
// Convert pinyin to display format (tone marks as diacritics; r5 glued)
if (zhoRun.Pinyin != null) strPy = "[" + zhoRun.GetPinyinInOne(true) + "]";
// Create link area, with query string
string strPyNumbers = string.Empty; // Pinyin with numbers as tone marks
if (zhoRun.Pinyin != null) strPyNumbers = zhoRun.GetPinyinRaw();
LinkArea linkArea = new LinkArea(strSimp, strTrad, strPyNumbers, analyzedScript);
// Block for simplified, if present
if (strSimp != string.Empty)
{
Block tb = new Block
{
TextPos = textPool.PoolString(strSimp),
FontIdx = fntIdxZhoSimp,
SpaceAfter = true,
};
blocks.Add(tb);
linkArea.BlockIds.Add(blocks.Count - 1);
}
// Separator if both simplified and traditional are there
// AND they are different...
if (strSimp != string.Empty && strTrad != string.Empty && strSimp != strTrad)
{
Block xb = blocks[blocks.Count - 1];
xb.StickRight = true;
blocks[blocks.Count - 1] = xb;
Block tb = new Block
{
TextPos = textPool.PoolString("•"),
FontIdx = fntIdxLatin,
SpaceAfter = true,
};
blocks.Add(tb);
linkArea.BlockIds.Add(blocks.Count - 1);
}
// Traditional, if present
if (strTrad != string.Empty && strTrad != strSimp)
{
Block tb = new Block
{
TextPos = textPool.PoolString(strTrad),
FontIdx = fntIdxZhoTrad,
SpaceAfter = true,
};
blocks.Add(tb);
linkArea.BlockIds.Add(blocks.Count - 1);
}
// Pinyin, if present
if (strPy != string.Empty)
{
// Split by spaces
string[] pyParts = strPy.Split(new char[] { ' ' });
foreach (string pyPart in pyParts)
{
Block tb = new Block
{
TextPos = textPool.PoolString(pyPart),
FontIdx = fntIdxLatin,
SpaceAfter = true,
};
blocks.Add(tb);
linkArea.BlockIds.Add(blocks.Count - 1);
}
}
// Last part will have requested a space after.
// Look ahead and if next text run is Latin and starts with punctuation, make it stick
TextRunLatin nextLatinRun = null;
if (runIX + 1 < htxt.RunCount) nextLatinRun = htxt.GetRunAt(runIX + 1) as TextRunLatin;
if (nextLatinRun != null && char.IsPunctuation(nextLatinRun.GetPlainText()[0]))
{
Block xb = blocks[blocks.Count - 1];
xb.SpaceAfter = false;
blocks[blocks.Count - 1] = xb;
}
// Collect link area
links.Add(linkArea);
}
}
}
/// <summary>
/// Breaks down body content into typographic blocks and caches the size of these.
/// </summary>
/// <param name="g">A Graphics object used for measurements.</param>
private void doMeasureBlocks(Graphics g)
{
// Once measured, blocks don't change. Nothing to do then.
if (measuredBlocks != null) return;
// This is how we measure
StringFormat sf = StringFormat.GenericTypographic;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
// Decide about size of sense ID up front: that's always a square, letter-height
SizeF xSize = g.MeasureString("x", getFont(fntSenseLatin), 65535, sf);
ushort senseIdxWidth = (ushort)Math.Ceiling(xSize.Height);
// Create array with as many items as senses
// Each item is null, or highlight in sense's equiv
CedictTargetHighlight[] hlArr = new CedictTargetHighlight[entry.SenseCount];
foreach (CedictTargetHighlight hl in res.TargetHilites) hlArr[hl.SenseIx] = hl;
// Recreate list of blocks
List<Block> newBlocks = new List<Block>();
// Collect links here. Will only keep at end if not empty.
List<LinkArea> newLinks = new List<LinkArea>();
int senseIdx = -1;
int displaySenseIdx = -1;
bool lastWasClassifier = false;
foreach (CedictSense cm in entry.Senses)
{
++senseIdx;
// Is this sense a classifier?
bool classifier = cm.Domain.EqualsPlainText("CL:");
if (!classifier) ++displaySenseIdx;
// Add one block for sense ID, unless this is a classifier "sense"
if (!classifier)
{
Block sidBlock = new Block
{
Width = senseIdxWidth,
StickRight = true,
TextPos = textPool.PoolString(getSenseIdString(displaySenseIdx)),
NewLine = lastWasClassifier,
SenseId = true,
FirstInCedictSense = true,
};
newBlocks.Add(sidBlock);
}
// Split domain, equiv and note into typographic parts
// Splits along spaces and dashes
// Unpacks Chinese ranges
// Domain is localized text for "Classifier:" if, well, this is a classifier sense
int startIX = newBlocks.Count;
if (!classifier) makeBlocks(cm.Domain, true, null, newBlocks, newLinks);
else
{
string strClassifier = tprov.GetString("ResultCtrlClassifier");
HybridText htClassifier = new HybridText(strClassifier);
int ix = newBlocks.Count;
makeBlocks(htClassifier, true, null, newBlocks, newLinks);
Block xb = newBlocks[ix];
xb.NewLine = true;
newBlocks[ix] = xb;
}
makeBlocks(cm.Equiv, false, hlArr[senseIdx], newBlocks, newLinks);
makeBlocks(cm.Note, true, null, newBlocks, newLinks);
// If sense is a classifier, mark first block as sense starter
if (classifier)
{
Block sstart = newBlocks[startIX];
sstart.FirstInCedictSense = true;
newBlocks[startIX] = sstart;
}
// Measure each block
for (int i = startIX; i != newBlocks.Count; ++i)
{
Block tb = newBlocks[i];
bool isHanzi = !(tb.FontIdx == fntMetaLatin || tb.FontIdx == fntSenseLatin);
SizeF sz;
if (!isHanzi) sz = g.MeasureString(textPool.GetString(tb.TextPos), getFont(tb.FontIdx), 65535, sf);
else sz = HanziRenderer.MeasureString(g, Magic.ZhoContentFontFamily, textPool.GetString(tb.TextPos), Magic.LemmaHanziFontSize);
tb.Width = (ushort)Math.Round(sz.Width);
newBlocks[i] = tb;
}
lastWasClassifier = classifier;
}
if (newLinks.Count != 0) targetLinks = newLinks;
measuredBlocks = newBlocks.ToArray();
}