Ejemplo n.º 1
0
        static public void LimitBoxDraw(
            Graphics g, string val, Font font, Brush brush, RectangleF rect,
            DrawPositionType drawPosType = DrawPositionType.Center, bool isLimitDraw = true,
            bool isMultipleRow           = false, int direction = 0, float rotateAngle = 0)
        {
            LimitBoxDrawInfo drawInfo = new LimitBoxDrawInfo();

            drawInfo.g             = g;
            drawInfo.txt           = val;
            drawInfo.font          = font;
            drawInfo.brush         = brush;
            drawInfo.rect          = rect;
            drawInfo.drawPosType   = drawPosType;
            drawInfo.isLimitDraw   = isLimitDraw;
            drawInfo.isMultipleRow = isMultipleRow;
            drawInfo.direction     = direction;
            drawInfo.rotateAngle   = rotateAngle;

            LimitBoxDraw(drawInfo);
        }
Ejemplo n.º 2
0
        static public void LimitBoxDraw(LimitBoxDrawInfo drawInfo)
        {
            PointF       pt     = new PointF(drawInfo.rect.X, drawInfo.rect.Y);
            float        scalex = 1.0F;
            float        scaley = 1.0F;
            float        stringWidth;
            float        stringHeight;
            StringFormat strF;
            SizeF        fontSize;

            System.Drawing.RectangleF layoutRect = drawInfo.rect;
            Graphics g = drawInfo.g;

            if (drawInfo.direction == 0)
            {
                strF = new StringFormat();

                if (!drawInfo.isMultipleRow)
                {
                    fontSize = g.MeasureString(drawInfo.txt, drawInfo.font);
                }
                else
                {
                    SizeF area = new SizeF(drawInfo.rect.Width, 0);
                    fontSize          = g.MeasureString(drawInfo.txt, drawInfo.font, area);
                    layoutRect.Width  = fontSize.Width;
                    layoutRect.Height = fontSize.Height;
                }
            }
            else
            {
                strF = new StringFormat(StringFormatFlags.DirectionVertical);

                if (!drawInfo.isMultipleRow)
                {
                    fontSize = g.MeasureString(drawInfo.txt, drawInfo.font, 0, strF);
                }
                else
                {
                    SizeF area = new SizeF(0, drawInfo.rect.Height);
                    fontSize          = g.MeasureString(drawInfo.txt, drawInfo.font, area, strF);
                    layoutRect.Width  = fontSize.Width;
                    layoutRect.Height = fontSize.Height;
                }
            }

            stringWidth  = fontSize.Width;
            stringHeight = fontSize.Height;

            if (drawInfo.isLimitDraw)
            {
                if (fontSize.Width > drawInfo.rect.Width)
                {
                    scalex      = drawInfo.rect.Width / fontSize.Width;
                    stringWidth = drawInfo.rect.Width;
                }

                if (fontSize.Height > drawInfo.rect.Height)
                {
                    scaley       = drawInfo.rect.Height / fontSize.Height;
                    stringHeight = drawInfo.rect.Height;
                }
            }


            switch (drawInfo.drawPosType)
            {
            case DrawPositionType.LeftTop:
                pt.X = drawInfo.rect.X;
                pt.Y = drawInfo.rect.Y;
                break;

            case DrawPositionType.Top:
                pt.X = drawInfo.rect.X + drawInfo.rect.Width / 2 - stringWidth / 2;
                pt.Y = drawInfo.rect.Y;
                break;

            case DrawPositionType.RightTop:
                pt.X = drawInfo.rect.Right - stringWidth;
                pt.Y = drawInfo.rect.Y;
                break;

            case DrawPositionType.Left:
                pt.X = drawInfo.rect.X;
                pt.Y = drawInfo.rect.Y + drawInfo.rect.Height / 2 - stringHeight / 2;
                break;

            case DrawPositionType.Center:
                pt.X = drawInfo.rect.X + drawInfo.rect.Width / 2 - stringWidth / 2;
                pt.Y = drawInfo.rect.Y + drawInfo.rect.Height / 2 - stringHeight / 2;
                break;

            case DrawPositionType.Right:
                pt.X = drawInfo.rect.Right - stringWidth;
                pt.Y = drawInfo.rect.Y + drawInfo.rect.Height / 2 - stringHeight / 2;
                break;

            case DrawPositionType.LeftBottom:
                pt.X = drawInfo.rect.X;
                pt.Y = drawInfo.rect.Bottom - stringHeight;
                break;

            case DrawPositionType.Bottom:
                pt.X = drawInfo.rect.X + drawInfo.rect.Width / 2 - stringWidth / 2;
                pt.Y = drawInfo.rect.Bottom - stringHeight;
                break;

            case DrawPositionType.RightBottom:
                pt.X = drawInfo.rect.Right - stringWidth;
                pt.Y = drawInfo.rect.Bottom - stringHeight;
                break;
            }

            pt.X /= scalex;
            pt.Y /= scaley;


            System.Drawing.Drawing2D.Matrix matrix, oldMatrix;

            if (drawInfo.brush == null)
            {
                drawInfo.brush = new SolidBrush(System.Drawing.Color.Black);
            }

            if (scalex == 0)
            {
                scalex = 0.1F;
            }
            if (scaley == 0)
            {
                scaley = 0.1F;
            }

            oldMatrix = g.Transform;

            matrix = oldMatrix.Clone();
            matrix.Scale(scalex, scaley);

            float x = pt.X + stringWidth / 2;
            float y = pt.Y + stringHeight / 2;

            matrix.Translate(x, y);
            matrix.Rotate(drawInfo.rotateAngle);

            g.Transform = matrix;

            if (!drawInfo.isMultipleRow)
            {
                g.DrawString(drawInfo.txt, drawInfo.font, drawInfo.brush, -stringWidth / 2, -stringHeight / 2, strF);
            }
            else
            {
                layoutRect.X = -stringWidth / 2;
                layoutRect.Y = -stringHeight / 2;
                g.DrawString(drawInfo.txt, drawInfo.font, drawInfo.brush, layoutRect, strF);
            }

            g.Transform = oldMatrix;
        }