internal static Bitmap ConvertImage(java.awt.Image img)
{
if (img is BufferedImage)
{
return(((BufferedImage)img).getBitmap());
}
if (img is NetVolatileImage)
{
return(((NetVolatileImage)img).bitmap);
}
if (img is sun.awt.image.ToolkitImage)
{
sun.awt.image.ImageRepresentation ir = ((sun.awt.image.ToolkitImage)img).getImageRep();
// start the production and wait if not produce the image
lock ( ir ) {
ir.prepare(null);
while (ir.getBufferedImage() == null)
{
ir.wait();
}
}
return(ir.getBufferedImage().getBitmap());
}
if (img is NoImage)
{
return(null);
}
Console.WriteLine(new System.Diagnostics.StackTrace());
throw new NotImplementedException("Image class:" + img.GetType().FullName);
}
public override bool drawImage(java.awt.Image img, java.awt.geom.AffineTransform xform, ImageObserver observer)
{
if (img == null)
{
return(true);
}
if (xform == null || xform.isIdentity())
{
return(drawImage(img, 0, 0, null, observer));
}
throw new NotImplementedException("drawImage(Image,AffineTransform,ImageObserver) not implemented for non-null or non-identity AffineTransform!");
}
public override bool drawImage(java.awt.Image img, int x, int y, java.awt.image.ImageObserver observer)
{
Image image = J2C.ConvertImage(img);
if (image == null)
{
return(false);
}
lock (image)
{
g.DrawImage(image, x, y);
}
return(true);
}
public override bool drawImage(java.awt.Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, java.awt.image.ImageObserver observer)
{
Image image = J2C.ConvertImage(img);
if (image == null)
{
return(false);
}
Rectangle destRect = new Rectangle(dx1, dy1, dx2 - dx1, dy2 - dy1);
Rectangle srcRect = new Rectangle(sx1, sy1, sx2 - sx1, sy2 - sy1);
lock (image)
{
g.DrawImage(image, destRect, srcRect, GraphicsUnit.Pixel);
}
return(true);
}
public override bool drawImage(java.awt.Image img, int x, int y, java.awt.Color bgcolor, java.awt.image.ImageObserver observer)
{
Image image = J2C.ConvertImage(img);
if (image == null)
{
return(false);
}
using (Brush brush = J2C.CreateBrush(bgcolor))
{
g.FillRectangle(brush, x, y, image.Width, image.Height);
}
lock (image)
{
g.DrawImage(image, x, y);
}
return(true);
}
internal static Bitmap ConvertImage(java.awt.Image img)
{
if (img is BufferedImage)
{
return(((BufferedImage)img).getBitmap());
}
if (img is NetVolatileImage)
{
return(((NetVolatileImage)img).bitmap);
}
if (img is sun.awt.image.ToolkitImage)
{
return(((sun.awt.image.ToolkitImage)img).getImageRep().getBitmap());
}
if (img is NoImage)
{
return(null);
}
Console.WriteLine(new System.Diagnostics.StackTrace());
throw new NotImplementedException("Image class:" + img.GetType().FullName);
}
/// <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);
}
