/// <summary> Draws the ellipse.
/// The draw-position is translated by (-offsetX,-offsetY)
/// and scaled by (factorX,factorY).
/// </summary>
/// <param name="canvas">The canvas to draw the arrow on
/// </param>
/// <param name="offsetX">Translation-Vector's negative x-component
/// </param>
/// <param name="offsetY">Translation-Vector's negative y-component
/// </param>
/// <param name="factorX">Scaling-Vector*s x-component
/// </param>
/// <param name="factorY">Scaling-Vector*s y-component
///
/// </param>
public virtual void draw(Graphics2D canvas, int offsetX, int offsetY, double factorX, double factorY)
{
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int x = (int)System.Math.Round((this.x - offsetX) * factorX);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int y = (int)System.Math.Round((this.y - offsetY) * factorY);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int width = (int)System.Math.Round(this.width * factorX);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int height = (int)System.Math.Round(this.height * factorY);
// set colors and draw
canvas.setColor(bgcolor);
canvas.fillOval(x, y, width + 1, height + 1);
canvas.setColor(bordercolor);
canvas.drawOval(x, y, width, height);
// draw short-description
canvas.setColor(System.Drawing.Color.Black);
//UPGRADE_TODO: The equivalent in .NET for method 'java.awt.Color.getRGB' may return a different value. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1043"'
if (bgcolor.ToArgb() == System.Drawing.Color.Black.ToArgb())
{
canvas.setColor(System.Drawing.Color.White);
}
if (height > 10)
{
System.Drawing.Point textpos = calculateTextPosition(text, canvas, width, height);
canvas.drawString(text, (int)textpos.X + x, (int)textpos.Y + y);
}
}
public virtual void draw(Graphics2D canvas, int offsetX, int offsetY, double factorX, double factorY)
{
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int ourX = (int)System.Math.Round((x - offsetX) * factorX);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int ourY = (int)System.Math.Round((y - offsetY) * factorY);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int ourWidth = (int)System.Math.Round(width * factorX);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int ourHeight = (int)System.Math.Round(height * factorY);
//UPGRADE_WARNING: Narrowing conversions may produce unexpected results in C#. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1042"'
int[] xpoints = new int[] { ourX + (int)(ourWidth * .25), ourX + (int)(ourWidth * .75), ourX + ourWidth, ourX };
int[] ypoints = new int[] { ourY, ourY, ourY + ourHeight, ourY + ourHeight };
canvas.setColor(bgcolor);
canvas.fillPolygon(xpoints, ypoints, 4);
canvas.setColor(bordercolor);
canvas.drawPolygon(xpoints, ypoints, 4);
canvas.setColor(System.Drawing.Color.Black);
//UPGRADE_TODO: The equivalent in .NET for method 'java.awt.Color.getRGB' may return a different value. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1043"'
if (bgcolor.ToArgb() == System.Drawing.Color.Black.ToArgb())
{
canvas.setColor(System.Drawing.Color.White);
}
if (ourHeight > 10)
{
System.Drawing.Point textpos = calculateTextPosition(text, canvas, ourWidth, ourHeight);
canvas.drawString(text, (int)textpos.X + ourX, (int)textpos.Y + ourY);
}
}
/// <summary> Adds a ConnectorLine into the container
/// </summary>
/// <param name="p">the primitive which should become added
///
/// </param>
public virtual void addPrimitive(ConnectorLine c)
{
lines.add(c);
Graphics2D gr = (Graphics2D)Graphics;
if (gr == null)
{
return;
}
drawPrimitive(c, gr);
}
/// <summary> Adds a Shape into the container
/// </summary>
/// <param name="p">the primitive which should become added
///
/// </param>
public virtual void addPrimitive(Shape s)
{
shapes.add(s);
if (s.width + s.x > graphwidth)
{
graphwidth = s.width + s.x;
}
if (s.height + s.y > graphheight)
{
graphheight = s.height + s.y;
}
Graphics2D gr = (Graphics2D)Graphics;
if (gr == null)
{
return;
}
drawPrimitive(s, gr);
}
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);
}
}
public abstract void draw(Graphics2D canvas, int offsetX, int offsetY);
public abstract void draw(Graphics2D canvas, double factorX, double factorY);
public abstract void draw(Graphics2D canvas, double factorX, double factorY);
public abstract void draw(Graphics2D canvas, int offsetX, int offsetY, double factorX, double factorY);
/// <summary> Draws an arrow from the From-Shape to the To-Shape
/// with the choosen color. The draw-position is translated
/// by (-offsetX,-offsetY) and then scaled by (factorX,factorY).
/// </summary>
/// <param name="canvas">The canvas to draw the arrow on
/// </param>
/// <param name="offsetX">Translation-Vector's negative x-component
/// </param>
/// <param name="offsetY">Translation-Vector's negative y-component
/// </param>
/// <param name="factorX">Scaling-Vector*s x-component
/// </param>
/// <param name="factorY">Scaling-Vector*s y-component
///
/// </param>
public virtual void draw(Graphics2D canvas, int offsetX, int offsetY, double factorX, double factorY)
{
canvas.setColor(color);
/* angleFromTo is this angle ;)
* (between -PI;+PI)
* TO
* ----------------(x)-------------------
* /
* /)
* / @ )
* --------(x)---------------------------
* FROM
*/
double angleFromTo = System.Math.Atan2(- to.Y + from.Y, to.X - from.X);
/* angleToFrom is this angle ;)
* (between -PI;+PI)
* TO
* ----------------(x)-------------------
* ( @ /
* (/
* /
* --------(x)---------------------------
* FROM
*/
double angleToFrom;
if (angleFromTo > 0)
{
angleToFrom = angleFromTo - System.Math.PI;
}
else
{
angleToFrom = angleFromTo + System.Math.PI;
}
System.Drawing.Point pfrom = from.calculateIntersection(angleFromTo);
System.Drawing.Point pto = to.calculateIntersection(angleToFrom);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
System.Drawing.Point parrow1 = new System.Drawing.Point((int) System.Math.Round(6 * System.Math.Cos(angleToFrom + System.Math.PI / 4.0)), (int) System.Math.Round(6 * System.Math.Sin(angleToFrom + System.Math.PI / 4.0)));
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
System.Drawing.Point parrow2 = new System.Drawing.Point((int) System.Math.Round(6 * System.Math.Cos(angleToFrom - System.Math.PI / 4.0)), (int) System.Math.Round(6 * System.Math.Sin(angleToFrom - System.Math.PI / 4.0)));
pfrom.X -= offsetX;
pfrom.Y -= offsetY;
pto.X -= offsetX;
pto.Y -= offsetY;
pfrom.X *= (int) (factorX);
pfrom.Y *= (int) (factorY);
pto.X *= (int) (factorX);
pto.Y *= (int) (factorY);
parrow1.X *= (int) (factorX);
parrow1.Y *= (int) (factorY);
parrow2.X *= (int) (factorX);
parrow2.Y *= (int) (factorY);
//calculate a good line width
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int linewidth = (int) System.Math.Round(1 * System.Math.Min(factorX, factorY));
if (linewidth == 0)
linewidth = 1;
canvas.setStroke(new BasicStroke(linewidth));
//draw the arrow
canvas.drawLine(pfrom.X, pfrom.Y, pto.X, pto.Y);
canvas.drawLine(pto.X + parrow1.X, pto.Y - parrow1.Y, pto.X, pto.Y);
canvas.drawLine(pto.X + parrow2.X, pto.Y - parrow2.Y, pto.X, pto.Y);
}
public abstract void draw(Graphics2D canvas, int offsetX, int offsetY);
/// <summary> Draws the ellipse.
/// The draw-position is translated by (-offsetX,-offsetY)
/// and scaled by (factorX,factorY).
/// </summary>
/// <param name="canvas">The canvas to draw the arrow on
/// </param>
/// <param name="offsetX">Translation-Vector's negative x-component
/// </param>
/// <param name="offsetY">Translation-Vector's negative y-component
/// </param>
/// <param name="factorX">Scaling-Vector*s x-component
/// </param>
/// <param name="factorY">Scaling-Vector*s y-component
///
/// </param>
public virtual void draw(Graphics2D canvas, int offsetX, int offsetY, double factorX, double factorY)
{
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int x = (int) System.Math.Round((this.x - offsetX) * factorX);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int y = (int) System.Math.Round((this.y - offsetY) * factorY);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int width = (int) System.Math.Round(this.width * factorX);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int height = (int) System.Math.Round(this.height * factorY);
// set colors and draw
canvas.setColor(bgcolor);
canvas.fillOval(x, y, width + 1, height + 1);
canvas.setColor(bordercolor);
canvas.drawOval(x, y, width, height);
// draw short-description
canvas.setColor(System.Drawing.Color.Black);
//UPGRADE_TODO: The equivalent in .NET for method 'java.awt.Color.getRGB' may return a different value. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1043"'
if (bgcolor.ToArgb() == System.Drawing.Color.Black.ToArgb())
canvas.setColor(System.Drawing.Color.White);
if (height > 10)
{
System.Drawing.Point textpos = calculateTextPosition(text, canvas, width, height);
canvas.drawString(text, (int) textpos.X + x, (int) textpos.Y + y);
}
}
/// <summary>
/// Performs a convolution on BufferedImages. Each component of the
/// source image will be convolved (including the alpha component, if
/// present).
/// If the color model in the source image is not the same as that
/// in the destination image, the pixels will be converted
/// in the destination. If the destination image is null,
/// a BufferedImage will be created with the source ColorModel.
/// The IllegalArgumentException may be thrown if the source is the
/// same as the destination. </summary>
/// <param name="src"> the source <code>BufferedImage</code> to filter </param>
/// <param name="dst"> the destination <code>BufferedImage</code> for the
/// filtered <code>src</code> </param>
/// <returns> the filtered <code>BufferedImage</code> </returns>
/// <exception cref="NullPointerException"> if <code>src</code> is <code>null</code> </exception>
/// <exception cref="IllegalArgumentException"> if <code>src</code> equals
/// <code>dst</code> </exception>
/// <exception cref="ImagingOpException"> if <code>src</code> cannot be filtered </exception>
public BufferedImage Filter(BufferedImage src, BufferedImage dst)
{
if (src == null)
{
throw new NullPointerException("src image is null");
}
if (src == dst)
{
throw new IllegalArgumentException("src image cannot be the " + "same as the dst image");
}
bool needToConvert = false;
ColorModel srcCM = src.ColorModel;
ColorModel dstCM;
BufferedImage origDst = dst;
// Can't convolve an IndexColorModel. Need to expand it
if (srcCM is IndexColorModel)
{
IndexColorModel icm = (IndexColorModel)srcCM;
src = icm.ConvertToIntDiscrete(src.Raster, false);
srcCM = src.ColorModel;
}
if (dst == null)
{
dst = CreateCompatibleDestImage(src, null);
dstCM = srcCM;
origDst = dst;
}
else
{
dstCM = dst.ColorModel;
if (srcCM.ColorSpace.Type != dstCM.ColorSpace.Type)
{
needToConvert = true;
dst = CreateCompatibleDestImage(src, null);
dstCM = dst.ColorModel;
}
else if (dstCM is IndexColorModel)
{
dst = CreateCompatibleDestImage(src, null);
dstCM = dst.ColorModel;
}
}
if (ImagingLib.filter(this, src, dst) == null)
{
throw new ImagingOpException("Unable to convolve src image");
}
if (needToConvert)
{
ColorConvertOp ccop = new ColorConvertOp(Hints);
ccop.Filter(dst, origDst);
}
else if (origDst != dst)
{
java.awt.Graphics2D g = origDst.CreateGraphics();
try
{
g.DrawImage(dst, 0, 0, null);
}
finally
{
g.Dispose();
}
}
return(origDst);
}
protected internal override void drawPrimitive(Primitive p, Graphics2D g)
{
double factor = Factor;
p.draw(g, factor, factor);
}
protected internal virtual void drawPrimitive(Primitive p, Graphics2D g)
{
p.draw(g, offsetX, offsetY);
}
/// <summary>
/// Transforms the source <CODE>BufferedImage</CODE> and stores the results
/// in the destination <CODE>BufferedImage</CODE>.
/// If the color models for the two images do not match, a color
/// conversion into the destination color model is performed.
/// If the destination image is null,
/// a <CODE>BufferedImage</CODE> is created with the source
/// <CODE>ColorModel</CODE>.
/// <para>
/// The coordinates of the rectangle returned by
/// <code>getBounds2D(BufferedImage)</code>
/// are not necessarily the same as the coordinates of the
/// <code>BufferedImage</code> returned by this method. If the
/// upper-left corner coordinates of the rectangle are
/// negative then this part of the rectangle is not drawn. If the
/// upper-left corner coordinates of the rectangle are positive
/// then the filtered image is drawn at that position in the
/// destination <code>BufferedImage</code>.
/// </para>
/// <para>
/// An <CODE>IllegalArgumentException</CODE> is thrown if the source is
/// the same as the destination.
///
/// </para>
/// </summary>
/// <param name="src"> The <CODE>BufferedImage</CODE> to transform. </param>
/// <param name="dst"> The <CODE>BufferedImage</CODE> in which to store the results
/// of the transformation.
/// </param>
/// <returns> The filtered <CODE>BufferedImage</CODE>. </returns>
/// <exception cref="IllegalArgumentException"> if <code>src</code> and
/// <code>dst</code> are the same </exception>
/// <exception cref="ImagingOpException"> if the image cannot be transformed
/// because of a data-processing error that might be
/// caused by an invalid image format, tile format, or
/// image-processing operation, or any other unsupported
/// operation. </exception>
public BufferedImage Filter(BufferedImage src, BufferedImage dst)
{
if (src == null)
{
throw new NullPointerException("src image is null");
}
if (src == dst)
{
throw new IllegalArgumentException("src image cannot be the " + "same as the dst image");
}
bool needToConvert = false;
ColorModel srcCM = src.ColorModel;
ColorModel dstCM;
BufferedImage origDst = dst;
if (dst == null)
{
dst = CreateCompatibleDestImage(src, null);
dstCM = srcCM;
origDst = dst;
}
else
{
dstCM = dst.ColorModel;
if (srcCM.ColorSpace.Type != dstCM.ColorSpace.Type)
{
int type = Xform.Type;
bool needTrans = ((type & (Xform.TYPE_MASK_ROTATION | Xform.TYPE_GENERAL_TRANSFORM)) != 0);
if (!needTrans && type != Xform.TYPE_TRANSLATION && type != Xform.TYPE_IDENTITY)
{
double[] mtx = new double[4];
Xform.GetMatrix(mtx);
// Check out the matrix. A non-integral scale will force ARGB
// since the edge conditions can't be guaranteed.
needTrans = (mtx[0] != (int)mtx[0] || mtx[3] != (int)mtx[3]);
}
if (needTrans && srcCM.Transparency == java.awt.Transparency_Fields.OPAQUE)
{
// Need to convert first
ColorConvertOp ccop = new ColorConvertOp(Hints);
BufferedImage tmpSrc = null;
int sw = src.Width;
int sh = src.Height;
if (dstCM.Transparency == java.awt.Transparency_Fields.OPAQUE)
{
tmpSrc = new BufferedImage(sw, sh, BufferedImage.TYPE_INT_ARGB);
}
else
{
WritableRaster r = dstCM.CreateCompatibleWritableRaster(sw, sh);
tmpSrc = new BufferedImage(dstCM, r, dstCM.AlphaPremultiplied, null);
}
src = ccop.Filter(src, tmpSrc);
}
else
{
needToConvert = true;
dst = CreateCompatibleDestImage(src, null);
}
}
}
if (InterpolationType_Renamed != TYPE_NEAREST_NEIGHBOR && dst.ColorModel is IndexColorModel)
{
dst = new BufferedImage(dst.Width, dst.Height, BufferedImage.TYPE_INT_ARGB);
}
if (ImagingLib.filter(this, src, dst) == null)
{
throw new ImagingOpException("Unable to transform src image");
}
if (needToConvert)
{
ColorConvertOp ccop = new ColorConvertOp(Hints);
ccop.Filter(dst, origDst);
}
else if (origDst != dst)
{
java.awt.Graphics2D g = origDst.CreateGraphics();
try
{
g.Composite = AlphaComposite.Src;
g.DrawImage(dst, 0, 0, null);
}
finally
{
g.Dispose();
}
}
return(origDst);
}
/// <summary> Draws an arrow from the From-Shape to the To-Shape
/// with the choosen color. It will be scaled by (factorX,factorY).
/// </summary>
/// <param name="canvas">The canvas to draw the arrow on
/// </param>
/// <param name="factorX">Scaling-Vector*s x-component
/// </param>
/// <param name="factorY">Scaling-Vector*s y-component
///
/// </param>
public virtual void draw(Graphics2D canvas, double factorX, double factorY)
{
draw(canvas, 0, 0, factorX, factorY);
}
/// <summary> Draws an arrow from the From-Shape to the To-Shape
/// with the choosen color. The draw-position is translated
/// by (-offsetX,-offsetY).
/// </summary>
/// <param name="canvas">The canvas to draw the arrow on
/// </param>
/// <param name="offsetX">Translation-Vector's negative x-component
/// </param>
/// <param name="offsetY">Translation-Vector's negative y-component
///
/// </param>
public virtual void draw(Graphics2D canvas, int offsetX, int offsetY)
{
draw(canvas, offsetX, offsetY, 1.0, 1.0);
}
public abstract void draw(Graphics2D canvas, int offsetX, int offsetY, double factorX, double factorY);
public virtual void draw(Graphics2D canvas, int offsetX, int offsetY, double factorX, double factorY)
{
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int ourX = (int) System.Math.Round((x - offsetX) * factorX);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int ourY = (int) System.Math.Round((y - offsetY) * factorY);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int ourWidth = (int) System.Math.Round(width * factorX);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int ourHeight = (int) System.Math.Round(height * factorY);
//UPGRADE_WARNING: Narrowing conversions may produce unexpected results in C#. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1042"'
int[] xpoints = new int[]{ourX + (int) (ourWidth * .25), ourX + (int) (ourWidth * .75), ourX + ourWidth, ourX};
int[] ypoints = new int[]{ourY, ourY, ourY + ourHeight, ourY + ourHeight};
canvas.setColor(bgcolor);
canvas.fillPolygon(xpoints, ypoints, 4);
canvas.setColor(bordercolor);
canvas.drawPolygon(xpoints, ypoints, 4);
canvas.setColor(System.Drawing.Color.Black);
//UPGRADE_TODO: The equivalent in .NET for method 'java.awt.Color.getRGB' may return a different value. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1043"'
if (bgcolor.ToArgb() == System.Drawing.Color.Black.ToArgb())
canvas.setColor(System.Drawing.Color.White);
if (ourHeight > 10)
{
System.Drawing.Point textpos = calculateTextPosition(text, canvas, ourWidth, ourHeight);
canvas.drawString(text, (int) textpos.X + ourX, (int) textpos.Y + ourY);
}
}
protected internal virtual void drawPrimitive(Primitive p, Graphics2D g)
{
p.draw(g, offsetX, offsetY);
}
protected internal override void drawPrimitive(Primitive p, Graphics2D g)
{
double factor = Factor;
p.draw(g, factor, factor);
}
public virtual void draw(Graphics2D canvas, int offsetX, int offsetY)
{
draw(canvas, offsetX, offsetY, 1.0, 1.0);
}
/// <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);
}
public virtual void draw(Graphics2D canvas, double factorX, double factorY)
{
draw(canvas, 0, 0, factorX, factorY);
}
/// <summary> Draws an arrow from the From-Shape to the To-Shape
/// with the choosen color. The draw-position is translated
/// by (-offsetX,-offsetY) and then scaled by (factorX,factorY).
/// </summary>
/// <param name="canvas">The canvas to draw the arrow on
/// </param>
/// <param name="offsetX">Translation-Vector's negative x-component
/// </param>
/// <param name="offsetY">Translation-Vector's negative y-component
/// </param>
/// <param name="factorX">Scaling-Vector*s x-component
/// </param>
/// <param name="factorY">Scaling-Vector*s y-component
///
/// </param>
public virtual void draw(Graphics2D canvas, int offsetX, int offsetY, double factorX, double factorY)
{
canvas.setColor(color);
/* angleFromTo is this angle ;)
* (between -PI;+PI)
* TO
* ----------------(x)-------------------
* /
* /)
* / @ )
* --------(x)---------------------------
* FROM
*/
double angleFromTo = System.Math.Atan2(-to.Y + from.Y, to.X - from.X);
/* angleToFrom is this angle ;)
* (between -PI;+PI)
* TO
* ----------------(x)-------------------
* ( @ /
* (/
* /
* --------(x)---------------------------
* FROM
*/
double angleToFrom;
if (angleFromTo > 0)
{
angleToFrom = angleFromTo - System.Math.PI;
}
else
{
angleToFrom = angleFromTo + System.Math.PI;
}
System.Drawing.Point pfrom = from.calculateIntersection(angleFromTo);
System.Drawing.Point pto = to.calculateIntersection(angleToFrom);
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
System.Drawing.Point parrow1 = new System.Drawing.Point((int)System.Math.Round(6 * System.Math.Cos(angleToFrom + System.Math.PI / 4.0)), (int)System.Math.Round(6 * System.Math.Sin(angleToFrom + System.Math.PI / 4.0)));
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
System.Drawing.Point parrow2 = new System.Drawing.Point((int)System.Math.Round(6 * System.Math.Cos(angleToFrom - System.Math.PI / 4.0)), (int)System.Math.Round(6 * System.Math.Sin(angleToFrom - System.Math.PI / 4.0)));
pfrom.X -= offsetX;
pfrom.Y -= offsetY;
pto.X -= offsetX;
pto.Y -= offsetY;
pfrom.X *= (int)(factorX);
pfrom.Y *= (int)(factorY);
pto.X *= (int)(factorX);
pto.Y *= (int)(factorY);
parrow1.X *= (int)(factorX);
parrow1.Y *= (int)(factorY);
parrow2.X *= (int)(factorX);
parrow2.Y *= (int)(factorY);
//calculate a good line width
//UPGRADE_TODO: Method 'java.lang.Math.round' was converted to 'System.Math.Round' which has a different behavior. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1073"'
int linewidth = (int)System.Math.Round(1 * System.Math.Min(factorX, factorY));
if (linewidth == 0)
{
linewidth = 1;
}
canvas.setStroke(new BasicStroke(linewidth));
//draw the arrow
canvas.drawLine(pfrom.X, pfrom.Y, pto.X, pto.Y);
canvas.drawLine(pto.X + parrow1.X, pto.Y - parrow1.Y, pto.X, pto.Y);
canvas.drawLine(pto.X + parrow2.X, pto.Y - parrow2.Y, pto.X, pto.Y);
}