/// ------------------------------------------------------------------------------------
/// <summary>
/// Gets the type of the underline.
/// </summary>
/// <param name="fIsInherited">set to <c>true</c> if font position is inherited.</param>
/// ------------------------------------------------------------------------------------
public FwUnderlineType GetUnderlineType(out bool fIsInherited)
{
fIsInherited = IsInherited(m_cboUnderlineStyle);
FwUnderlineType underlineType = FwUnderlineType.kuntMin; // Init to make compiler happy
if (!fIsInherited)
{
switch (m_cboUnderlineStyle.AdjustedSelectedIndex)
{
case 1: underlineType = FwUnderlineType.kuntNone; break;
case 2: underlineType = FwUnderlineType.kuntSingle; break;
case 3: underlineType = FwUnderlineType.kuntDouble; break;
case 4: underlineType = FwUnderlineType.kuntDotted; break;
case 5: underlineType = FwUnderlineType.kuntDashed; break;
case 6: underlineType = FwUnderlineType.kuntStrikethrough; break;
case -1: break; // nothing selected
default:
Debug.Assert(false, "Unknown underline style");
break;
}
}
return(underlineType);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Saves the font info.
/// </summary>
/// <param name="fontInfo">The font info.</param>
/// ------------------------------------------------------------------------------------
void IFontDialog.SaveFontInfo(FontInfo fontInfo)
{
// Font name
string newValue = GetInternalFontName(m_tbFontName.Text);
fontInfo.IsDirty |= fontInfo.m_fontName.Save(false, newValue);
// font size
int fontSize = FontSize;
fontInfo.IsDirty |= fontInfo.m_fontSize.Save(false, fontSize * 1000);
// color
bool fIsInherited;
Color color = m_FontAttributes.GetFontColor(out fIsInherited);
fontInfo.IsDirty |= fontInfo.m_fontColor.Save(fIsInherited, color);
// background color
color = m_FontAttributes.GetBackgroundColor(out fIsInherited);
fontInfo.IsDirty |= fontInfo.m_backColor.Save(fIsInherited, color);
// underline style
FwUnderlineType underlineType = m_FontAttributes.GetUnderlineType(out fIsInherited);
fontInfo.IsDirty |= fontInfo.m_underline.Save(fIsInherited, underlineType);
// underline color
color = m_FontAttributes.GetUnderlineColor(out fIsInherited);
fontInfo.IsDirty |= fontInfo.m_underlineColor.Save(fIsInherited, color);
// bold, italic, superscript, subscript
bool fFlag = m_FontAttributes.GetBold(out fIsInherited);
fontInfo.IsDirty |= fontInfo.m_bold.Save(fIsInherited, fFlag);
fFlag = m_FontAttributes.GetItalic(out fIsInherited);
fontInfo.IsDirty |= fontInfo.m_italic.Save(fIsInherited, fFlag);
if (m_FontAttributes.AllowSuperSubScript)
{
FwSuperscriptVal superSub = m_FontAttributes.GetSubSuperscript(out fIsInherited);
fontInfo.IsDirty |= fontInfo.m_superSub.Save(fIsInherited, superSub);
// position
int fontPos = m_FontAttributes.GetFontPosition(out fIsInherited);
fontInfo.IsDirty |= fontInfo.m_offset.Save(fIsInherited, fontPos);
}
// features
string fontFeatures = m_FontAttributes.GetFontFeatures(out fIsInherited);
fontInfo.IsDirty |= fontInfo.m_features.Save(fIsInherited, fontFeatures);
}
/// <summary>
/// Draw an underline from xdLeft to xdRight at ydTop, given the specified screen resolution,
/// the desired colur and underline type, and (for aligning squiggles) the offset in the
/// destination drawing rectangle.
/// </summary>
static void DrawUnderline(IVwGraphics pvg, int xdLeft, int xdRight, int ydTop,
int dxScreenPix, int dyScreenPix, int clrUnder, FwUnderlineType unt, int xOffset)
{
int[] rgdx;
pvg.ForeColor = clrUnder;
int xStartPattern;
switch (unt)
{
case FwUnderlineType.kuntSquiggle:
{
// BLOCK for var decls
// ENHANCE JohnT: should we do some trick to make it look continuous
// even if drawn in multiple chunks?
// Note: going up as well as down from ydTop makes the squiggle
// actually touch the bottom of typical letters. This is consistent
// with Word; FrontPage puts the squiggle one pixel clear. If we want
// the latter effect, just use ydTop + dyScreenPix.
int dxdSeg = Math.Max(1, dxScreenPix * 2);
int xdStartFromTrueLeft = ((xdLeft - xOffset) / dxdSeg) * dxdSeg; // aligns it to multiple of dxdSeg
int xdStart = xdStartFromTrueLeft + xOffset; // back in drawing coords
int dydStart = -dyScreenPix; // toggle for up/down segs
// Initial value is determined by whether xdStart is an odd or even multiple
// of dxdSeg.
if (xdStartFromTrueLeft % (dxdSeg * 2) != 0)
{
dydStart = -dydStart;
}
while (xdStart < xdRight)
{
int xdEnd = xdStart + dxdSeg;
pvg.DrawLine(xdStart, ydTop + dydStart, xdEnd, ydTop - dydStart);
dydStart = -dydStart;
xdStart = xdEnd;
}
}
// This uses diagonal lines so don't break and draw a straight one, return
return;
case FwUnderlineType.kuntDotted:
rgdx = new [] { dxScreenPix *2, dxScreenPix *2 };
break;
case FwUnderlineType.kuntDashed:
rgdx = new [] { dxScreenPix * 6, dxScreenPix * 3 };
break;
case FwUnderlineType.kuntStrikethrough:
{
int dydAscent = pvg.FontAscent;
ydTop = ydTop - dydAscent / 3;
rgdx = new [] { int.MaxValue };
break;
}
case FwUnderlineType.kuntDouble:
xStartPattern = xdLeft;
rgdx = new [] { int.MaxValue };
pvg.DrawHorzLine(xdLeft, xdRight, ydTop + dyScreenPix * 2, dyScreenPix,
1, rgdx, ref xStartPattern);
// continue to draw the upper line as well, just like a normal underline.
break;
case FwUnderlineType.kuntSingle:
// For (some) forwards compatibility, treat any unrecognized underline
// type as single.
default:
rgdx = new [] { int.MaxValue };
break;
}
xStartPattern = xdLeft;
pvg.DrawHorzLine(xdLeft, xdRight, ydTop, dyScreenPix,
rgdx.Length, rgdx, ref xStartPattern);
}
/// <summary>
/// Draw an underline from xdLeft to xdRight at ydTop, given the specified screen resolution,
/// the desired colur and underline type, and (for aligning squiggles) the offset in the
/// destination drawing rectangle.
/// </summary>
static void DrawUnderline(IVwGraphics pvg, int xdLeft, int xdRight, int ydTop,
int dxScreenPix, int dyScreenPix, int clrUnder, FwUnderlineType unt, int xOffset)
{
int[] rgdx;
pvg.ForeColor = clrUnder;
int xStartPattern;
switch (unt)
{
case FwUnderlineType.kuntSquiggle:
{
// BLOCK for var decls
// ENHANCE JohnT: should we do some trick to make it look continuous
// even if drawn in multiple chunks?
// Note: going up as well as down from ydTop makes the squiggle
// actually touch the bottom of typical letters. This is consistent
// with Word; FrontPage puts the squiggle one pixel clear. If we want
// the latter effect, just use ydTop + dyScreenPix.
int dxdSeg = Math.Max(1, dxScreenPix*2);
int xdStartFromTrueLeft = ((xdLeft - xOffset)/dxdSeg)*dxdSeg; // aligns it to multiple of dxdSeg
int xdStart = xdStartFromTrueLeft + xOffset; // back in drawing coords
int dydStart = -dyScreenPix; // toggle for up/down segs
// Initial value is determined by whether xdStart is an odd or even multiple
// of dxdSeg.
if (xdStartFromTrueLeft%(dxdSeg*2) != 0)
dydStart = -dydStart;
while (xdStart < xdRight)
{
int xdEnd = xdStart + dxdSeg;
pvg.DrawLine(xdStart, ydTop + dydStart, xdEnd, ydTop - dydStart);
dydStart = -dydStart;
xdStart = xdEnd;
}
}
// This uses diagonal lines so don't break and draw a straight one, return
return;
case FwUnderlineType.kuntDotted:
rgdx = new [] {dxScreenPix*2, dxScreenPix*2};
break;
case FwUnderlineType.kuntDashed:
rgdx = new [] { dxScreenPix * 6, dxScreenPix * 3 };
break;
case FwUnderlineType.kuntStrikethrough:
{
int dydAscent = pvg.FontAscent;
ydTop = ydTop - dydAscent/3;
rgdx = new [] {int.MaxValue};
break;
}
case FwUnderlineType.kuntDouble:
xStartPattern = xdLeft;
rgdx = new [] { int.MaxValue };
pvg.DrawHorzLine(xdLeft, xdRight, ydTop + dyScreenPix * 2, dyScreenPix,
1, rgdx, ref xStartPattern);
// continue to draw the upper line as well, just like a normal underline.
break;
case FwUnderlineType.kuntSingle:
// For (some) forwards compatibility, treat any unrecognized underline
// type as single.
default:
rgdx = new [] { int.MaxValue };
break;
}
xStartPattern = xdLeft;
pvg.DrawHorzLine(xdLeft, xdRight, ydTop, dyScreenPix,
rgdx.Length, rgdx, ref xStartPattern);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Saves the font information to the styleInfo
/// </summary>
/// <param name="styleInfo">The style info.</param>
/// ------------------------------------------------------------------------------------
public void SaveToInfo(StyleInfo styleInfo)
{
CheckDisposed();
FontInfo fontInfo = styleInfo.FontInfoForWs(m_currentWs);
// Font name
bool newInherit = IsInherited(m_cboFontNames);
string newValue = string.Empty;
switch (m_cboFontNames.AdjustedSelectedIndex)
{
case 1: newValue = StStyle.DefaultFont; break;
case 2: newValue = StStyle.DefaultPubFont; break;
case 3: newValue = StStyle.DefaultHeadingFont; break;
default: newValue = m_cboFontNames.Text; break;
}
if (fontInfo.m_fontName.Save(newInherit, newValue))
{
styleInfo.Dirty = true;
}
// font size
newInherit = IsInherited(m_cboFontSize);
int fontSize = (m_cboFontSize.Text == string.Empty || newInherit) ? 0 : Int32.Parse(m_cboFontSize.Text);
if (fontInfo.m_fontSize.Save(newInherit, fontSize * 1000))
{
styleInfo.Dirty = true;
}
// color
Color color = m_FontAttributes.GetFontColor(out newInherit);
if (fontInfo.m_fontColor.Save(newInherit, color))
{
styleInfo.Dirty = true;
}
// background color
color = m_FontAttributes.GetBackgroundColor(out newInherit);
if (fontInfo.m_backColor.Save(newInherit, color))
{
styleInfo.Dirty = true;
}
// underline style
FwUnderlineType underlineType = m_FontAttributes.GetUnderlineType(out newInherit);
if (fontInfo.m_underline.Save(newInherit, underlineType))
{
styleInfo.Dirty = true;
}
// underline color
color = m_FontAttributes.GetUnderlineColor(out newInherit);
if (fontInfo.m_underlineColor.Save(newInherit, color))
{
styleInfo.Dirty = true;
}
// bold, italic, superscript, subscript
bool fFlag = m_FontAttributes.GetBold(out newInherit);
if (fontInfo.m_bold.Save(newInherit, fFlag))
{
styleInfo.Dirty = true;
}
fFlag = m_FontAttributes.GetItalic(out newInherit);
if (fontInfo.m_italic.Save(newInherit, fFlag))
{
styleInfo.Dirty = true;
}
FwSuperscriptVal superSub = m_FontAttributes.GetSubSuperscript(out newInherit);
if (fontInfo.m_superSub.Save(newInherit, superSub))
{
styleInfo.Dirty = true;
}
// position
int fontPos = m_FontAttributes.GetFontPosition(out newInherit);
if (fontInfo.m_offset.Save(newInherit, fontPos))
{
styleInfo.Dirty = true;
}
// features
string fontFeatures = m_FontAttributes.GetFontFeatures(out newInherit);
if (fontInfo.m_features.Save(newInherit, fontFeatures))
{
styleInfo.Dirty = true;
}
}
/// <summary>
/// Return an object which, when passed to WithProperties, will return an assembled styles
/// with the specified underline type.
/// </summary>
public static PropSetter UnderlineSetter(FwUnderlineType unt)
{
var result = new UnderlinePropSetter();
result.SetToValue = (int)unt;
return result;
}
public AssembledStyles WithUnderline(FwUnderlineType underlineType)
{
return m_styleCache.GetDerivedStyle(this, (int)FwTextPropType.ktptUnderline, underlineType,
(newStyles, w) => newStyles.m_chrp.unt = (int)underlineType);
}
/// <summary>
/// Fluent language: return this, but the contents of the flow have the specified underline type and color.
/// </summary>
public Flow Underline(FwUnderlineType unt, Color color)
{
AddSetter(AssembledStyles.UnderlineSetter(unt));
AddSetter(AssembledStyles.UnderlineColorSetter(color));
return(this);
}
/// <summary>
/// Fluent language: return this, but the contents of the flow have the specified underline type.
/// </summary>
public Flow Underline(FwUnderlineType unt)
{
AddSetter(AssembledStyles.UnderlineSetter(unt));
return(this);
}
