/// <summary>
/// <para>Finds the right font size to fit characters (2x5 with default size, but it varies).</para>
/// <para>Finds right vertical area based on font's actual display properties.</para>
/// </summary>
private void calibrateFont()
{
float width = Width;
fontSize = 10.0F;
// Measuring artefacts
using (Bitmap bmp = new Bitmap(1, 1))
using (Graphics g = Graphics.FromImage(bmp))
{
StringFormat sf = StringFormat.GenericTypographic;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
// Keep growing font until we reach a comfortable width
while (true)
{
//var xsi = HanziMeasure.Instance.GetMeasures(fontFace, fontSize);
//charSize = xsi.RealRect.Size;
charSize = HanziRenderer.GetCharSize(Magic.ZhoContentFontFamily, fontSize);
if (charSize.Width * 5.0F >= width * 0.9F)
{
break;
}
fontSize += 0.5F;
}
}
// Width of rectangle: using my space equally
float rectWidth = (width - 2.0F) / 5.0F;
// Height of rectange: depends on font's actual drawing behavior!
float rectHeight = charSize.Height;
// Horizontal padding is rectangle width minus measured char width, over two
float hPad = (rectWidth - charSize.Width) / 2.0F;
// Add twice horizontal padding to rectangle height; offset chars from top by padding
rectHeight += 2.0F * hPad;
lock (animLO)
{
for (int i = 0; i != 5; ++i)
{
float x = ((float)i) * rectWidth + 1.0F;
RectangleF rtop = new RectangleF(x, 1.0F, rectWidth, rectHeight);
RectangleF rbot = new RectangleF(x, rectHeight + 1.0F, rectWidth, rectHeight);
charRects[i].Rect = rtop;
charRects[i + 5].Rect = rbot;
}
}
charOfsX = (rectWidth - charSize.Width) / 2.0F;
charOfsY = (rectHeight - charSize.Height) / 2.0F;
Height = (int)Math.Round((rectHeight) * 2.0F + 0.5F);
MakeMePaint(false, RenderMode.Invalidate);
}
/// <summary>
/// Ctor: initializes main form.
/// </summary>
public MainForm(ICedictEngineFactory dictFact, ITextProvider tprov)
: base(tprov)
{
this.tprov = tprov;
// Initialize hanzi renderer
// -- Scale (DPI)
// -- Available systems fonts
HanziRenderer.Scale = Scale;
if (HanziRenderer.IsWinKaiAvailable())
{
Magic.SetZhoContentFontFamily(IdeoFamily.WinKai);
}
else
{
Magic.SetZhoContentFontFamily(IdeoFamily.ArphicKai);
}
// Initialize system font provider with our own
if (SystemFontProvider.Instance as ZydeoSystemFontProvider == null)
{
SystemFontProvider.Instance = new ZydeoSystemFontProvider();
}
// Find out last window size and location from settings
Size size = AppSettings.WindowLogicalSize;
Point loc = AppSettings.WindowLoc;
ignoredSavedSizeAndLocation = !verifySizeAndLoc(size, loc);
// If location+size do not make sense, let system position window, and go with default size.
if (ignoredSavedSizeAndLocation)
{
WinForm.StartPosition = FormStartPosition.WindowsDefaultLocation;
LogicalSize = Magic.WinDefaultLogicalSize;
}
// Otherwise, position at last location
else
{
WinForm.StartPosition = FormStartPosition.Manual;
Location = loc;
LogicalSize = size;
}
// Set (logical) minimum size
LogicalMinimumSize = Magic.WinMinimumLogicalSize;
Header = tprov.GetString("WinHeader");
lc = new LookupControl(this, dictFact, tprov);
stgs = new SettingsControl(this, tprov, dictFact);
MainTab = new ZenTab(stgs, tprov.GetString("TabMain"));
Tabs.Add(new ZenTab(lc, tprov.GetString("TabLookup")));
}
/// <summary>
/// Calculates right-aligned layout in headword area.
/// </summary>
private static bool doAnalyzeHanzi(Graphics g, string str, bool isSimp, StringFormat sf,
List <HeadBlock> blocks, ref PointF loc, float right)
{
byte fntZhoHead = isSimp ? fntZhoHeadSimp : fntZhoHeadTrad;
float left = loc.X;
bool lineBreak = false;
int firstCharOfLine = 0;
int charsOnLine = 0;
// Measure and position each character
for (int i = 0; i != str.Length; ++i)
{
++charsOnLine;
// Measure each character. They may not all be hanzi: there are latin letters in some HWS
HeadBlock hb = new HeadBlock
{
Char = str[i],
Size = HanziRenderer.MeasureChar(g, Magic.ZhoContentFontFamily, str[i], Magic.ZhoResultFontSize),
//Size = g.MeasureString(cstr, getFont(fntZhoHead), 65535, sf),
Loc = loc,
Faded = false,
};
blocks.Add(hb);
// Location moves right
loc.X += hb.Size.Width;
// If location is beyond headword's right edge, break line now.
// This involves
// - moving last added block to next line
// - right-aligning blocks added so far
if (loc.X > right)
{
lineBreak = true;
loc.X = left;
loc.Y += ideoLineHeight;
doRightAlign(blocks, firstCharOfLine, charsOnLine - 1, right);
charsOnLine = 1;
firstCharOfLine = blocks.Count - 1;
hb.Loc = loc;
loc.X += hb.Size.Width;
}
}
// Right-align the final bit
doRightAlign(blocks, firstCharOfLine, charsOnLine, right);
// Done - tell call if we had line break or not
return(lineBreak);
}
/// <summary>
/// Loads dictionary in worker thread.
/// </summary>
/// <param name="ctxt"></param>
private void loadDictionary(object ctxt)
{
Thread.Sleep(100);
dict = dictFact.Create(Magic.DictFileName, HanziRenderer.GetFontCoverage(Magic.ZhoContentFontFamily));
}
/// <summary>
/// Paints full control. Analyzes on demand, but meant to be called after analysis up front.
/// </summary>
public override void DoPaint(Graphics g)
{
// If size changed and we get a pain requested without having re-analized:
// Analyze now. Not the best time here in paint, but must do.
if (analyzedWidth != Width)
{
Analyze(g, Width);
}
// Background.
Color bgcol = ZenParams.WindowColor;
using (Brush b = new SolidBrush(bgcol))
{
g.FillRectangle(b, 0, 0, Width, Height);
}
// Dotted line at bottom
if (!last)
{
using (Pen p = new Pen(Magic.ResultsSeparator))
{
float dp = (int)(1.3F * scale);
int margin = (int)(8F * scale);
p.DashPattern = new float[] { dp, dp };
p.Width = 1;
g.SmoothingMode = SmoothingMode.None;
g.DrawLine(p, margin, Height - 1, Width - margin, Height - 1);
}
}
// Hanzi highlights. May draw on top, so must come before actual characters are drawn.
doPaintHanziHilites(g, bgcol);
// Target text highlights (characters will come on top).
doPaintTargetHilites(g, bgcol);
// This is how we draw text
StringFormat sf = StringFormat.GenericTypographic;
// Headword, pinyin, entry body
using (Brush bnorm = new SolidBrush(Color.Black))
using (Brush bfade = new SolidBrush(Color.FromArgb(200, 200, 200)))
using (Pen pnorm = new Pen(bnorm))
{
// This works best for Hanzi
g.TextRenderingHint = TextRenderingHint.AntiAlias;
// Simplified and traditional - headword
foreach (HeadBlock hb in headInfo.SimpBlocks)
{
PointF loc = new PointF(hb.Loc.X, hb.Loc.Y);
HanziRenderer.DrawString(g, hb.Char.ToString(), loc, bnorm, Magic.ZhoContentFontFamily,
IdeoScript.Simp, Magic.ZhoResultFontSize, FontStyle.Regular);
}
foreach (HeadBlock hb in headInfo.TradBlocks)
{
PointF loc = new PointF(hb.Loc.X, hb.Loc.Y);
Brush b = hb.Faded ? bfade : bnorm;
HanziRenderer.DrawString(g, hb.Char.ToString(), loc, b, Magic.ZhoContentFontFamily,
IdeoScript.Trad, Magic.ZhoResultFontSize, FontStyle.Regular);
}
// Pinyin
using (SolidBrush bhilite = new SolidBrush(Magic.HiliteColor))
using (SolidBrush bpinyin = new SolidBrush(Magic.PinyinColor))
{
doPaintPinyin(g, bpinyin, bhilite, sf, bgcol);
}
// Target (body)
doPaintTarget(g, pnorm, bnorm, sf);
}
}
/// <summary>
/// Paints target (entry body).
/// </summary>
private void doPaintTarget(Graphics g, Pen pnorm, Brush bnorm, StringFormat sf)
{
// Take index of hovered-over sense once - this is atomic, and we're prolly in different thread from mouse
short hsix = hoverSenseIx;
Brush bhover = null;
try
{
// All the measured and positioned blocks in entry body
short currSenseIx = -1;
foreach (PositionedBlock pb in positionedBlocks)
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
Block block = measuredBlocks[pb.BlockIdx];
if (block.FirstInCedictSense)
{
++currSenseIx;
}
bool hoverSense = currSenseIx == hsix;
// Sense ID
if (block.SenseId)
{
float pad = lemmaLineHeight * 0.1F;
if (hoverSense)
{
using (Brush bh = new SolidBrush(Magic.SenseHoverColor))
{
g.FillEllipse(bh,
pb.LocX + 1F,
pb.LocY + scale * pad + 1F,
((float)block.Width) - 2.0F * pad - 2F,
lemmaCharHeight - 2.0F * pad - 2F);
}
}
g.DrawEllipse(pnorm,
pb.LocX,
pb.LocY + scale * pad,
((float)block.Width) - 2.0F * pad,
lemmaCharHeight - 2.0F * pad);
float idOfsV = -2.896F + scale * 4.396F;
g.DrawString(textPool.GetString(block.TextPos), getFont(fntSenseId), bnorm,
pb.LocX + 2.0F * pad,
pb.LocY + idOfsV, sf); // TO-DO: vertical paddig of character will need more work.
}
// Text
else
{
// Extra vertical offset on Hanzi blocks
float vOfs = 0;
bool isHanzi = false;
if (block.FontIdx == fntMetaHanziSimp || block.FontIdx == fntMetaHanziTrad ||
block.FontIdx == fntSenseHanziSimp || block.FontIdx == fntSenseHanziTrad)
{
vOfs += getTargetHanziOfs();
isHanzi = true;
}
// No hover: draw with normal brush
Brush brush = bnorm;
// Hover: create hover brush on demand; draw with that
if (hoverLink != null)
{
if (hoverLink.BlockIds.Contains(pb.BlockIdx))
{
if (bhover == null)
{
bhover = new SolidBrush(Magic.LinkHoverColor);
}
brush = bhover;
}
}
if (isHanzi)
{
g.TextRenderingHint = TextRenderingHint.AntiAlias;
}
else
{
g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
}
// Not a hanzi range (by font ID)
if (block.FontIdx == fntSenseLatin || block.FontIdx == fntMetaLatin)
{
g.DrawString(textPool.GetString(block.TextPos), getFont(block.FontIdx),
brush, pb.LocX, pb.LocY, sf);
}
// Hanzi range
else
{
IdeoScript script = block.FontIdx == fntMetaHanziSimp || block.FontIdx == fntSenseHanziSimp
? IdeoScript.Simp : IdeoScript.Trad;
bool meta = block.FontIdx == fntMetaHanziSimp || block.FontIdx == fntMetaHanziTrad;
FontStyle fntStyle = meta ? FontStyle.Italic : FontStyle.Regular;
HanziRenderer.DrawString(g, textPool.GetString(block.TextPos), new PointF(pb.LocX, pb.LocY + vOfs),
brush, Magic.ZhoContentFontFamily, script, Magic.LemmaHanziFontSize, fntStyle);
}
}
}
}
finally
{
if (bhover != null)
{
bhover.Dispose();
}
}
}
/// <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();
}
/// <summary>
/// Analyzes layout of headword.
/// </summary>
/// <param name="g">A Graphics object used for measurements.</param>
private void doAnalyzeHeadword(Graphics g)
{
// If already analyzed, nothing to do
if (headInfo != null)
{
return;
}
// This is how we measure
StringFormat sf = StringFormat.GenericTypographic;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
// On-demand: measure a single ideograph's dimensions
// We only measure simplified. Assume simplified and traditional fonts come in matching pairs -> same size.
if (ideoSize.Width == 0)
{
ideoSize = HanziRenderer.GetCharSize(Magic.ZhoContentFontFamily, Magic.ZhoResultFontSize);
float hanziLinePad = 6.0F;
hanziLinePad *= scale;
ideoLineHeight = ideoSize.Height + hanziLinePad;
}
headInfo = new HeadInfo();
if (analyzedScript == SearchScript.Simplified)
{
headInfo.HeadMode = HeadMode.OnlySimp;
}
else if (analyzedScript == SearchScript.Traditional)
{
headInfo.HeadMode = HeadMode.OnlyTrad;
}
else
{
headInfo.HeadMode = HeadMode.BothSingleLine;
}
//// For width of headword, use padLeft from border, plus 4 to 6 ideographs' worth of space
//// Depending on longest headword in entire list
//int hwChars = maxHeadLength;
//if (hwChars < 4) hwChars = 4;
//if (hwChars > 6) hwChars = 6;
//float hwidth = ((float)hwChars) * ideoSize.Width;
// Revised
// For width of headword, always take 5 characters' width of space
float hwidth = 5.0F * ideoSize.Width;
headInfo.HeadwordRight = padLeft + hwidth;
// Measure simplified chars from start; break when needed
PointF loc = new PointF(((float)padLeft) + ideoSize.Width, padTop);
bool lbrk = false;
if (analyzedScript == SearchScript.Simplified || analyzedScript == SearchScript.Both)
{
lbrk |= doAnalyzeHanzi(g, entry.ChSimpl, true, sf, headInfo.SimpBlocks, ref loc, headInfo.HeadwordRight);
}
if (analyzedScript == SearchScript.Traditional || analyzedScript == SearchScript.Both)
{
//loc.X = padLeft;
loc.X = ((float)padLeft) + ideoSize.Width;
if (analyzedScript == SearchScript.Both)
{
loc.Y += ideoLineHeight;
}
lbrk |= doAnalyzeHanzi(g, entry.ChTrad, false, sf, headInfo.TradBlocks, ref loc, headInfo.HeadwordRight);
}
// If we're displaying both simplified and traditional, fade out
// traditional chars that are same as simplified, right above them
if (analyzedScript == SearchScript.Both)
{
for (int i = 0; i != headInfo.SimpBlocks.Count; ++i)
{
if (headInfo.SimpBlocks[i].Char == headInfo.TradBlocks[i].Char)
{
headInfo.TradBlocks[i].Faded = true;
}
}
}
// Bottom of headword area
headInfo.HeadwordBottom = loc.Y + ideoLineHeight;
// If we had a line break and we're showing both scripts, update info
if (analyzedScript == SearchScript.Both && lbrk)
{
headInfo.HeadMode = HeadMode.BothMultiLine;
}
}
/// <summary>
/// Paints the control.
/// </summary>
public override void DoPaint(System.Drawing.Graphics g)
{
// Get character rectangles
CharRect[] rects = getCharRects();
// Background
using (Brush b = new SolidBrush(ZenParams.WindowColor))
{
g.FillRectangle(b, 0, 0, Width, Height);
}
// Characters
if (items != null)
{
StringFormat sf = StringFormat.GenericTypographic;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
using (Brush b = new SolidBrush(Color.Black))
{
for (int i = 0; i != rects.Length; ++i)
{
RectangleF rect = rects[i].Rect;
// Background
using (Brush bgb = new SolidBrush(rects[i].BgColor))
{
g.FillRectangle(bgb, rect);
}
// Draw character, if any
if (i >= items.Length)
{
continue;
}
string str = ""; str += items[i];
HanziRenderer.DrawString(g, str, new PointF(rect.X + charOfsX, rect.Y + charOfsY), b,
fontFam, fontScript, fontSize, FontStyle.Regular);
}
}
}
// Error message
else
{
StringFormat sf = StringFormat.GenericDefault;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
string line1 = tprov.GetString("CharPickerError1");
string line2 = tprov.GetString("CharPickerError2");
float fontSize = Magic.CharPickerErrorFontSize;
using (Font f1 = SystemFontProvider.Instance.GetSystemFont(FontStyle.Bold, fontSize))
using (Font f2 = SystemFontProvider.Instance.GetSystemFont(FontStyle.Regular, fontSize))
using (Brush b = new SolidBrush(Color.Black))
{
float padL = 10F * Scale;
float padR = 10F * Scale;
SizeF sz1 = g.MeasureString(line1, f1, (int)(Width - padL - padR), sf);
SizeF sz2 = g.MeasureString(line2, f2, (int)(Width - padL - padR), sf);
float hblock = sz1.Height + sz2.Height;
PointF pt1 = new PointF(padL, (((float)Height - 2) - hblock) / 2F);
PointF pt2 = new PointF(pt1.X, pt1.Y + sz1.Height);
g.DrawString(line1, f1, b, pt1);
g.DrawString(line2, f2, b, new RectangleF(pt2.X, pt2.Y, Width - pt2.X - 1, Height - pt2.Y - 1));
}
}
// Border
using (Pen p = new Pen(ZenParams.BorderColor))
{
g.DrawLine(p, 0, 0, Width, 0);
g.DrawLine(p, Width - 1, 0, Width - 1, Height);
g.DrawLine(p, Width - 1, Height - 1, 0, Height - 1);
g.DrawLine(p, 0, Height - 1, 0, 0);
}
}