public Outline GetTextOutline(string[] lines, ref Outline.Point position, HorizontalJustification h, VerticalJustification v, bool useKerning, float interline)
{
//int nblines = lines.Length;
// total cbox
BBox bbox = Measure(lines, interline);
float startY = 0;
switch (v)
{
case VerticalJustification.Origin:
startY = position.Y;
break;
case VerticalJustification.Top:
startY = position.Y - bbox.yMax;
break;
case VerticalJustification.Bottom:
startY = position.Y - bbox.yMin;
break;
case VerticalJustification.Center:
startY = position.Y + (bbox.yMax - bbox.yMin) / 2 - bbox.yMax;
break;
}
Outline outline = new Outline();
Outline.Point pos = new Outline.Point();
foreach (string line in lines)
{
pos.X = position.X;
pos.Y = startY;
Outline o = GetStringOutline(line, ref pos, h, VerticalJustification.Origin, useKerning);
outline.AddOutline(o);
startY -= Height * interline;
}
return(outline);
}
public Outline GetTextOutline(string[] lines, ref Outline.Point position, HorizontalJustification h, VerticalJustification v, bool useKerning, float interline)
{
//int nblines = lines.Length;
// total cbox
BBox bbox = Measure(lines, interline);
float startY = 0;
switch (v)
{
case VerticalJustification.Origin:
startY = position.Y;
break;
case VerticalJustification.Top:
startY = position.Y - bbox.yMax;
break;
case VerticalJustification.Bottom:
startY = position.Y - bbox.yMin;
break;
case VerticalJustification.Center:
startY = position.Y + (bbox.yMax - bbox.yMin) / 2 - bbox.yMax;
break;
}
Outline outline = new Outline();
Outline.Point pos = new Outline.Point();
foreach (string line in lines)
{
pos.X = position.X;
pos.Y = startY;
Outline o = GetStringOutline(line, ref pos, h, VerticalJustification.Origin, useKerning);
outline.AddOutline(o);
startY -= Height * interline;
}
return outline;
}
// Compute the outline for a whole line
public Outline GetStringOutline(string txt, ref Outline.Point position, HorizontalJustification h, VerticalJustification v, bool useKerning, float spacing, float emboldStrenght, int isteps)
{
Outline res = new Outline();
// first set pen position according to requested text justification
if (h != HorizontalJustification.Origin || v != VerticalJustification.Origin)
{
// Compute Bounding box and set original advancement according to justification
BBox bbox = Measure(txt);
switch (h)
{
case HorizontalJustification.Left:
position.X = position.X - bbox.xMin;
break;
case HorizontalJustification.Right:
position.X = position.X - bbox.xMax;
break;
case HorizontalJustification.Center:
position.X = position.X - (bbox.xMin + bbox.xMax) / 2;
break;
}
switch (v)
{
case VerticalJustification.Top:
position.Y = position.Y - bbox.yMax;
break;
case VerticalJustification.Bottom:
position.Y = position.Y - bbox.yMin;
break;
case VerticalJustification.Center:
position.Y = position.Y - (bbox.yMin + bbox.yMax) / 2;
break;
}
}
// Console.WriteLine("Original pen position=" + position);
if (!HasKerning)
{
useKerning = false;
}
uint prev = 0;
for (int i = 0; i < txt.Length; ++i)
{
uint idx = (uint)FT.FT_Get_Char_Index(face_, txt[i]);
if (useKerning && prev != 0 && idx != 0) // adjust with kerning properties
{
position.Translate(GetKerning((uint)prev, idx));
}
Outline.Point adv;
Outline o = GetGlyphOutline(idx, out adv, true, emboldStrenght, isteps);
o.Translate(position);
res.AddOutline(o);
adv.Scale(spacing);
position.Translate(adv);
prev = idx;
}
/*
* foreach (char c in txt)
* {
* Outline.Point adv;
* Outline o = GetGlyphOutline(c, out adv, true);
* o.Translate(advance);
* res.AddOutline(o);
* advance.Translate(adv);
* }
*/
return(res);
}
// Compute the outline for a whole line
public Outline GetStringOutline(string txt, ref Outline.Point position, HorizontalJustification h, VerticalJustification v, bool useKerning, float spacing, float emboldStrenght, int isteps)
{
Outline res = new Outline();
// first set pen position according to requested text justification
if (h != HorizontalJustification.Origin || v != VerticalJustification.Origin)
{
// Compute Bounding box and set original advancement according to justification
BBox bbox = Measure(txt);
switch (h)
{
case HorizontalJustification.Left:
position.X = position.X - bbox.xMin;
break;
case HorizontalJustification.Right:
position.X = position.X - bbox.xMax;
break;
case HorizontalJustification.Center:
position.X = position.X - (bbox.xMin + bbox.xMax) / 2;
break;
}
switch (v)
{
case VerticalJustification.Top:
position.Y = position.Y -bbox.yMax;
break;
case VerticalJustification.Bottom:
position.Y = position.Y -bbox.yMin;
break;
case VerticalJustification.Center:
position.Y = position.Y -(bbox.yMin + bbox.yMax) / 2;
break;
}
}
// Console.WriteLine("Original pen position=" + position);
if (! HasKerning) { useKerning = false; }
int prev = 0;
for (int i = 0; i < txt.Length; ++i)
{
int idx = FT.FT_Get_Char_Index(face_, txt[i]);
if (useKerning && prev != 0 && idx != 0) // adjust with kerning properties
{
position.Translate(GetKerning(prev, idx));
}
Outline.Point adv;
Outline o = GetGlyphOutline(idx, out adv, true, emboldStrenght,isteps);
o.Translate(position);
res.AddOutline(o);
adv.Scale(spacing);
position.Translate(adv);
prev = idx;
}
/*
foreach (char c in txt)
{
Outline.Point adv;
Outline o = GetGlyphOutline(c, out adv, true);
o.Translate(advance);
res.AddOutline(o);
advance.Translate(adv);
}
*/
return res;
}
