public virtual void paint(System.Drawing.Graphics g)
{
Graphics2D gr = (Graphics2D)g;
gr.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
gr.setFont(font);
Iterator itshapes = shapes.iterator();
Iterator itarrows = lines.iterator();
while (itshapes.hasNext())
{
Shape s = (Shape)itshapes.next();
drawPrimitive(s, gr);
}
while (itarrows.hasNext())
{
ConnectorLine l = (ConnectorLine)itarrows.next();
drawPrimitive(l, gr);
}
}
/// <summary>
/// 指定したフォントを描画するとき、描画指定したy座標と、描かれる文字の中心線のズレを調べます
/// </summary>
/// <param name="font"></param>
/// <returns></returns>
public static int getStringDrawOffset(java.awt.Font font)
{
int ret = 0;
java.awt.Dimension size = measureString(PANGRAM, font);
if (size.height <= 0)
{
return(0);
}
java.awt.Image b = null;
java.awt.Graphics2D g = null;
BitmapEx b2 = null;
try {
int string_desty = size.height * 2; // 文字列が書き込まれるy座標
int w = size.width * 4;
int h = size.height * 4;
b = new java.awt.Image();
b.image = new System.Drawing.Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
g = new java.awt.Graphics2D(System.Drawing.Graphics.FromImage(b.image));
g.setColor(java.awt.Color.white);
g.fillRect(0, 0, w, h);
g.setFont(font);
g.setColor(java.awt.Color.black);
g.drawString(PANGRAM, size.width, string_desty);
b2 = new BitmapEx(b.image);
// 上端に最初に現れる色つきピクセルを探す
int firsty = 0;
bool found = false;
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
java.awt.Color c = new cadencii.java.awt.Color(b2.GetPixel(x, y));
if (c.getRed() != 255 || c.getGreen() != 255 || c.getBlue() != 255)
{
found = true;
firsty = y;
break;
}
}
if (found)
{
break;
}
}
// 下端
int endy = h - 1;
found = false;
for (int y = h - 1; y >= 0; y--)
{
for (int x = 0; x < w; x++)
{
java.awt.Color c = new cadencii.java.awt.Color(b2.GetPixel(x, y));
if (c.getRed() != 255 || c.getGreen() != 255 || c.getBlue() != 255)
{
found = true;
endy = y;
break;
}
}
if (found)
{
break;
}
}
int center = (firsty + endy) / 2;
ret = center - string_desty;
} catch (Exception ex) {
serr.println("Util#getStringDrawOffset; ex=" + ex);
} finally {
if (b != null && b.image != null)
{
b.image.Dispose();
}
if (g != null)
{
g.nativeGraphics.Dispose();
}
if (b2 != null && b2 != null)
{
b2.Dispose();
}
}
return(ret);
}
