コード例 #1
0
        //------------------------------------------------------------------------------------
        #region 描画関係
        //------------------------------------------------------------------------------------
        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            e.Graphics.InterpolationMode  = _zoom < 1.0 ? InterpolationMode.High : InterpolationMode.Low;
            e.Graphics.CompositingMode    = CompositingMode.SourceOver;
            e.Graphics.CompositingQuality = CompositingQuality.GammaCorrected;
            e.Graphics.SmoothingMode      = SmoothingMode.None;
            e.Graphics.PixelOffsetMode    = PixelOffsetMode.None;

            e.Graphics.TranslateTransform((float)_centerX, (float)_centerY);
            e.Graphics.RotateTransform((float)_angle);
            e.Graphics.ScaleTransform((float)_zoom, (float)_zoom);
            e.Graphics.DrawImage(_bmp, -_bmp.Width / 2f, -_bmp.Height / 2f, (float)_bmp.Width, (float)_bmp.Height);
            e.Graphics.ResetTransform();

            if (_optShowGrip)
            {
                switch (_gripNow)
                {
                case Grip.TopLeft:
                    e.Graphics.FillRectangle(_sbBlue, 0, 0, GripWidth, GripWidth);
                    break;

                case Grip.Top:
                    e.Graphics.FillRectangle(_sbBlue, GripWidth, 0, ClientSize.Width - GripWidth * 2, GripWidth);
                    break;

                case Grip.TopRight:
                    e.Graphics.FillRectangle(_sbBlue, ClientSize.Width - GripWidth, 0, GripWidth, GripWidth);
                    break;

                case Grip.Right:
                    e.Graphics.FillRectangle(_sbBlue, ClientSize.Width - GripWidth, GripWidth, GripWidth, ClientSize.Height - GripWidth * 2);
                    break;

                case Grip.BottomRight:
                    e.Graphics.FillRectangle(_sbBlue, ClientSize.Width - GripWidth, ClientSize.Height - GripWidth, GripWidth, GripWidth);
                    break;

                case Grip.Bottom:
                    e.Graphics.FillRectangle(_sbBlue, GripWidth, ClientSize.Height - GripWidth, ClientSize.Width - GripWidth * 2, GripWidth);
                    break;

                case Grip.BottomLeft:
                    e.Graphics.FillRectangle(_sbBlue, 0, ClientSize.Height - GripWidth, GripWidth, GripWidth);
                    break;

                case Grip.Left:
                    e.Graphics.FillRectangle(_sbBlue, 0, GripWidth, GripWidth, ClientSize.Height - GripWidth * 2);
                    break;

                default:
                    break;
                }
            }
            switch (_gripNow)
            {
            case Grip.Angle:
                e.Graphics.FillRectangle(_sbGreen, GripWidth, GripWidth, GripWidth, GripWidth);
                e.Graphics.DrawImage(_bmp_angle, GripWidth, GripWidth, _bmp_angle.Width, _bmp_angle.Height);
                break;

            case Grip.Move:
                e.Graphics.FillRectangle(_sbGreen, GripWidth * 2, GripWidth, ClientSize.Width - GripWidth * 6, GripWidth);
                break;

            case Grip.Min:
                e.Graphics.FillRectangle(_sbGreen, ClientSize.Width - GripWidth * 4, GripWidth, GripWidth, GripWidth);
                e.Graphics.DrawImage(_bmp_min, ClientSize.Width - GripWidth * 4, GripWidth, _bmp_min.Width, _bmp_min.Height);
                break;

            case Grip.Max:
                e.Graphics.FillRectangle(_sbGreen, ClientSize.Width - GripWidth * 3, GripWidth, GripWidth, GripWidth);
                e.Graphics.DrawImage(_bmp_max, ClientSize.Width - GripWidth * 3, GripWidth, _bmp_max.Width, _bmp_max.Height);
                break;

            case Grip.Close:
                e.Graphics.FillRectangle(_sbRed, ClientSize.Width - GripWidth * 2, GripWidth, GripWidth, GripWidth);
                e.Graphics.DrawImage(_bmp_close, ClientSize.Width - GripWidth * 2, GripWidth, _bmp_close.Width, _bmp_close.Height);
                break;

            default:
                break;
            }
            if (_optShowDebug)
            {
                e.Graphics.DrawRectangle(Pens.Red, (int)_centerX - 2, (int)_centerY - 2, 5, 5);
                DrawString(e.Graphics, 0, 0, Application.ProductName + " Version " + Application.ProductVersion);
                DrawString(e.Graphics, 0, 1, "_fielname: " + _fielname);
                DrawString(e.Graphics, 0, 2, "_bmp.Width: " + _bmp.Width.ToString());
                DrawString(e.Graphics, 0, 3, "_bmp.Height: " + _bmp.Height.ToString());
                DrawString(e.Graphics, 0, 4, "_bmp.PixelFormat: " + _bmp.PixelFormat.ToString());
                DrawString(e.Graphics, 0, 5, "_bmp.RawFormat: " + GetRawFormatString(_bmp.RawFormat));
                DrawString(e.Graphics, 0, 6, "_centerX: " + _centerX.ToString("000.0"));
                DrawString(e.Graphics, 0, 7, "_centerY: " + _centerY.ToString("000.0"));
                DrawString(e.Graphics, 0, 8, "_angle: " + _angle.ToString("0.000"));
                DrawString(e.Graphics, 0, 9, "_zoom: " + _zoom.ToString("0.000"));
                DrawString(e.Graphics, 0, 10, "_gripDown: " + _gripDown.ToString());
                DrawString(e.Graphics, 0, 11, "_gripNow: " + _gripNow.ToString());
                DrawString(e.Graphics, 0, 12, "_gripOld: " + _gripOld.ToString());
                DrawString(e.Graphics, 0, 13, "_ptDown: " + _ptDown.ToString());
                DrawString(e.Graphics, 0, 14, "_ptGrip: " + _ptGrip.ToString());
                DrawString(e.Graphics, 0, 15, "_downShift: " + _downShift.ToString());
                DrawString(e.Graphics, 0, 16, "_downCtrl: " + _downCtrl.ToString());
                DrawString(e.Graphics, 0, 17, "_optFitImage: " + _optFitImage.ToString());
                DrawString(e.Graphics, 0, 18, "_optNoBorder: " + _optNoBorder.ToString());
                DrawString(e.Graphics, 0, 19, "_optShowGrip: " + _optShowGrip.ToString());
                DrawString(e.Graphics, 0, 20, "_optShowDebug: " + _optShowDebug.ToString());
            }
        }