protected internal virtual TextString convertToCharacters(string text, Graphics2D g, FontFactory fontFactory, ColorFactory colorFactory)
{
TextString characters = new TextString();
FontRenderContext frc = g.getFontRenderContext();
double lastx = 0;
for (int i = 0; i < text.Length; i++)
{
Font font = fontFactory.getFont(i);
char c = text[i];
FontMetrics fm = g.getFontMetrics(font);
Rectangle2D bounds = font.getStringBounds(Convert.ToString(c), frc);
TextCharacter tc = new TextCharacter();
tc.Character = c;
tc.Font = font;
tc.Width = fm.charWidth(c);
tc.Height = fm.getAscent() + fm.getDescent();
tc.Ascent = fm.getAscent();
tc.Descent = fm.getDescent();
tc.X = lastx;
tc.Y = 0;
tc.Font = font;
tc.Color = colorFactory.getColor(i);
lastx += bounds.getWidth();
characters.addCharacter(tc);
}
return(characters);
}
public override BufferedImage filter(BufferedImage src, BufferedImage dest)
{
if (dest == null)
{
dest = createCompatibleDestImage(src, null);
}
double width = dest.getWidth();
double height = dest.getHeight();
Graphics2D g2 = (Graphics2D)src.getGraphics();
g2.setRenderingHints(new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON));
Random r = new Random();
int cp = 4 + r.Next(3);
int[] xPoints = new int[cp];
int[] yPoints = new int[cp];
width -= 10;
for (int i = 0; i < cp; i++)
{
xPoints[i] = (int)((int)5 + (i * width) / (cp - 1));
yPoints[i] = (int)(height * (r.NextDouble() * 0.5 + 0.2));
}
int subsections = 6;
int[] xPointsSpline = new int[(cp - 1) * subsections];
int[] yPointsSpline = new int[(cp - 1) * subsections];
for (int i = 0; i < cp - 1; i++)
{
double x0 = i > 0 ? xPoints[i - 1] : 2 * xPoints[i] - xPoints[i + 1];
double x1 = xPoints[i];
double x2 = xPoints[i + 1];
double x3 = (i + 2 < cp) ? xPoints[i + 2] : 2 * xPoints[i + 1] - xPoints[i];
double y0 = i > 0 ? yPoints[i - 1] : 2 * yPoints[i] - yPoints[i + 1];
double y1 = yPoints[i];
double y2 = yPoints[i + 1];
double y3 = (i + 2 < cp) ? yPoints[i + 2] : 2 * yPoints[i + 1] - yPoints[i];
for (int j = 0; j < subsections; j++)
{
xPointsSpline[i * subsections + j] = (int)catmullRomSpline(x0, x1, x2, x3, 1.0 / subsections * j);
yPointsSpline[i * subsections + j] = (int)catmullRomSpline(y0, y1, y2, y3, 1.0 / subsections * j);
}
}
for (int i = 0; i < xPointsSpline.Length - 1; i++)
{
g2.setColor(colorFactory.getColor(i));
g2.setStroke(new BasicStroke(2 + 2 * r.nextFloat()));
g2.drawLine(xPointsSpline[i], yPointsSpline[i], xPointsSpline[i + 1], yPointsSpline[i + 1]);
}
return(src);
}
