Пример #1
0
        public override void Draw(Graphics gr, Point position, Range range)
        {
            //draw background
            if (BackgroundBrush != null)
            {
                gr.FillRectangle(BackgroundBrush, position.X, position.Y, (range.End.iChar - range.Start.iChar) * range.tb.CharWidth,
                                 range.tb.CharHeight);
            }

            //draw chars
            Font f = new(range.tb.Font, FontStyle);
            //Font fHalfSize = new Font(range.tb.Font.FontFamily, f.SizeInPoints/2, FontStyle);
            Line  line = range.tb[range.Start.iLine];
            float dx   = range.tb.CharWidth;
            float y    = position.Y + range.tb.LineInterval / 2;
            float x    = position.X - range.tb.CharWidth / 3;

            if (ForeBrush == null)
            {
                ForeBrush = new SolidBrush(range.tb.ForeColor);
            }

            //IME mode
            if (range.tb.ImeAllowed)
            {
                for (int i = range.Start.iChar; i < range.End.iChar; i++)
                {
                    SizeF size = RichText.GetCharSize(f, line[i].c);

                    var   gs = gr.Save();
                    float k  = size.Width > range.tb.CharWidth + 1 ? range.tb.CharWidth / size.Width : 1;
                    gr.TranslateTransform(x, y + (1 - k) * range.tb.CharHeight / 2);
                    gr.ScaleTransform(k, (float)Math.Sqrt(k));
                    gr.DrawString(line[i].c.ToString(), f, ForeBrush, 0, 0, stringFormat);
                    gr.Restore(gs);

                    /*
                     * if(size.Width>range.tb.CharWidth*1.5f)
                     *  gr.DrawString(line[i].c.ToString(), fHalfSize, foreBrush, x, y+range.tb.CharHeight/4, stringFormat);
                     * else
                     *  gr.DrawString(line[i].c.ToString(), f, foreBrush, x, y, stringFormat);
                     * */
                    x += dx;
                }
            }
            else
            //classic mode
            {
                for (int i = range.Start.iChar; i < range.End.iChar; i++)
                {
                    //draw char
                    gr.DrawString(line[i].c.ToString(), f, ForeBrush, x, y, stringFormat);
                    x += dx;
                }
            }

            //
            f.Dispose();
        }