Example #1
0
        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);
            }
        }
Example #2
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);
        }