private bool GetWordPosition(float x, float y, GLFontTextNode node, GLFontTextPosition position, ref int character, out Vector2 p)
{
bool sameLine = (long)(y / lineSpacingCache) == (long)(position.Position.Y / lineSpacingCache);
if (node.Type == GLFontTextNodeType.Space || node.Type == GLFontTextNodeType.Tab)
{
p = new Vector2(x, y);
if (position.Index == character || (sameLine && x + node.ModifiedLength * 0.5f > position.Position.X))
{
return(true);
}
character++;
return(false);
}
int charGaps = node.Text.Length - 1;
bool isCrumbleWord = CrumbledWord(node);
if (isCrumbleWord)
{
charGaps++;
}
int pixelsPerGap = 0;
int leftOverPixels = 0;
if (charGaps != 0)
{
pixelsPerGap = (int)node.LengthTweak / charGaps;
leftOverPixels = (int)node.LengthTweak - pixelsPerGap * charGaps;
}
for (int i = 0; i < node.Text.Length; i++)
{
char c = node.Text[i];
if (fontData.CharSetMapping.ContainsKey(c))
{
var glyph = fontData.CharSetMapping[c];
float oldX = x;
if (isMonospacingActiveCache)
{
x += monoSpaceWidthCache;
}
else
{
x += (int)Math.Ceiling(glyph.Rect.Width + fontData.meanGlyphWidth * Options.CharacterSpacing + fontData.GetKerningPairCorrection(i, node.Text, node));
}
x += pixelsPerGap;
if (leftOverPixels > 0)
{
x += 1.0f;
leftOverPixels--;
}
else if (leftOverPixels < 0)
{
x -= 1.0f;
leftOverPixels++;
}
if (position.Index == character || (sameLine && (oldX + x) * 0.5f > position.Position.X))
{
p = new Vector2(oldX, y);
return(true);
}
}
character++;
}
p = new Vector2();
return(false);
}
public void MeasureNodes(GLFontData fontData, GLFontRenderOptions options)
{
bool monospaced = fontData.IsMonospacingActive(options);
float monospaceWidth = fontData.GetMonoSpaceWidth(options);
foreach (GLFontTextNode node in this)
{
if (node.Length == 0f)
{
if (node.Type == GLFontTextNodeType.Space)
{
if (monospaced)
{
node.Length = monospaceWidth;
continue;
}
node.Length = (float)Math.Ceiling(fontData.meanGlyphWidth * options.WordSpacing);
continue;
}
if (node.Type == GLFontTextNodeType.Tab)
{
if (monospaced)
{
node.Length = monospaceWidth * 4;
continue;
}
node.Length = (float)Math.Ceiling(4 * fontData.meanGlyphWidth * options.WordSpacing);
continue;
}
if (node.Type == GLFontTextNodeType.Word)
{
for (int i = 0; i < node.Text.Length; i++)
{
char c = node.Text[i];
GLFontGlyph glyph;
if (fontData.CharSetMapping.TryGetValue(c, out glyph))
{
if (monospaced)
{
node.Length += monospaceWidth;
}
else
{
node.Length += (float)Math.Ceiling(glyph.Rect.Width + fontData.meanGlyphWidth * options.CharacterSpacing + fontData.GetKerningPairCorrection(i, node.Text, node));
}
}
}
}
}
}
}
