Esempio n. 1
0
        private void RefreshCtrl()
        {
            if (m_bIsRefreshing)
            {
                return;
            }
            int width  = host.ClientRectangle.Width + 14,
                height = host.ClientRectangle.Height + 14;

            m_bIsRefreshing = true;
            var hDC = WinAPI.GetDC(host.Handle);

            if (hDC == IntPtr.Zero)
            {
                m_bIsRefreshing = false;
                return;
            }
            var hdcMemory       = WinAPI.CreateCompatibleDC(hDC);
            int nBytesPerLine   = ((width * 32 + 31) & (~31)) >> 3;
            var stBmpInfoHeader = new BITMAPINFO();

            stBmpInfoHeader.bmiHeader.biSize        = Marshal.SizeOf(stBmpInfoHeader);
            stBmpInfoHeader.bmiHeader.biWidth       = width;
            stBmpInfoHeader.bmiHeader.biHeight      = height;
            stBmpInfoHeader.bmiHeader.biPlanes      = 1;
            stBmpInfoHeader.bmiHeader.biBitCount    = 32;
            stBmpInfoHeader.bmiHeader.biCompression = 0;
            stBmpInfoHeader.bmiHeader.biClrUsed     = 0;
            stBmpInfoHeader.bmiHeader.biSizeImage   = nBytesPerLine * height;
            var hbmpMem = WinAPI.CreateDIBSection(hDC, ref stBmpInfoHeader,
                                                  Constants.DIB_RGB_COLORS, out _, IntPtr.Zero, 0);

            if (hbmpMem != null)
            {
                var hbmpOld = WinAPI.SelectObject(hdcMemory, hbmpMem);
                var graphic = Graphics.FromHdcInternal(hdcMemory);
                graphic.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
                graphic.FillRectangle(new SolidBrush(BackColor), graphic.ClipBounds);
                foreach (Control ctrl in host.Controls)
                {
                    Point realpos = ctrl.Location;
                    realpos.Offset(7, 7);
                    Bitmap    bmp  = new Bitmap(ctrl.Width, ctrl.Height, PixelFormat.Format32bppArgb);
                    Rectangle rect = new Rectangle(0, 0, ctrl.Width, ctrl.Height);
                    if (ctrl is Label)
                    {
                        #region Render_Label

                        if (ctrl is LinkLabel tti)
                        {
                            tti.Font = new Font(tti.Font, FontStyle.Underline);

                            if (tti.Capture)
                            {
                                SolidBrush drawBrush = new SolidBrush((tti.ActiveLinkColor));
                                graphic.DrawString(ctrl.Text, tti.Font, drawBrush, realpos);
                            }
                            else if (tti.LinkVisited == true)
                            {
                                SolidBrush drawBrush = new SolidBrush((tti.VisitedLinkColor));
                                graphic.DrawString(ctrl.Text, tti.Font, drawBrush, realpos);
                            }
                            else
                            {
                                SolidBrush drawBrush = new SolidBrush((tti.LinkColor));
                                graphic.DrawString(ctrl.Text, tti.Font, drawBrush, realpos);
                            }
                        }
                        else
                        {
                            SolidBrush drawBrush = new SolidBrush(ctrl.ForeColor);
                            graphic.DrawString(ctrl.Text, ctrl.Font, drawBrush, realpos);
                        }

                        #endregion Render_Label
                    }
                    else if (ctrl is CheckBox)
                    {
                        #region Render_CheckBox

                        bmp = new Bitmap(13, ctrl.Height, PixelFormat.Format32bppArgb);
                        ctrl.DrawToBitmap(bmp, rect);
                        bmp.MakeTransparent();
                        graphic.DrawImage(bmp, realpos);

                        if (ctrl.Text.Length > 0)
                        {
                            SolidBrush drawBrush = new SolidBrush(ctrl.ForeColor);
                            graphic.DrawString(ctrl.Text, ctrl.Font, drawBrush, realpos.X + 18, realpos.Y);
                        }

                        #endregion Render_CheckBox
                    }
                    else if (ctrl is RadioButton)
                    {
                        #region Render_RadioButton

                        bmp = new Bitmap(13, ctrl.Height, PixelFormat.Format32bppArgb);
                        ctrl.DrawToBitmap(bmp, rect);
                        bmp.MakeTransparent();

                        //CLEAN EDGES
                        Dialogs.LockBitmap lockOrrig = new Dialogs.LockBitmap(bmp);
                        lockOrrig.LockBits();

                        lockOrrig.SetPixel(1, 13, Color.Transparent);
                        lockOrrig.SetPixel(3, 14, Color.Transparent);
                        lockOrrig.SetPixel(0, 11, Color.Transparent);

                        lockOrrig.SetPixel(9, 14, Color.Transparent);
                        lockOrrig.SetPixel(11, 13, Color.Transparent);
                        lockOrrig.SetPixel(12, 11, Color.Transparent);

                        lockOrrig.SetPixel(12, 5, Color.Transparent);
                        lockOrrig.SetPixel(11, 3, Color.Transparent);
                        lockOrrig.SetPixel(9, 2, Color.Transparent);

                        lockOrrig.SetPixel(3, 2, Color.Transparent);
                        lockOrrig.SetPixel(1, 3, Color.Transparent);
                        lockOrrig.SetPixel(0, 5, Color.Transparent);

                        lockOrrig.UnlockBits();
                        graphic.DrawImage(bmp, realpos);

                        if (ctrl.Text.Length > 0)
                        {
                            SolidBrush drawBrush = new SolidBrush(ctrl.ForeColor);
                            graphic.DrawString(ctrl.Text, ctrl.Font, drawBrush, realpos.X + 18, realpos.Y);
                        }

                        #endregion Render_RadioButton
                    }
                    else if (ctrl is Button)
                    {
                        #region Render_Button

                        ctrl.DrawToBitmap(bmp, rect);
                        if ((ctrl as Button).FlatStyle == FlatStyle.Flat)
                        {
                            graphic.DrawImage(bmp, realpos);
                        }
                        else
                        {
                            Rectangle selection = new Rectangle(1, 1, ctrl.Width - 2, ctrl.Height - 2);
                            Bitmap    cropBmp   = bmp.Clone(selection, bmp.PixelFormat);
                            bmp.Dispose();
                            graphic.DrawImage(cropBmp, realpos);
                        }

                        #endregion Render_Button
                    }
                    else
                    {
                        ctrl.DrawToBitmap(bmp, rect);
                        graphic.DrawImage(bmp, realpos);
                    }
                }
                var ptSrc    = new POINT(0, 0);
                var ptWinPos = new POINT(host.Left, host.Top);
                var szWin    = new SIZE(width, height);
                var stBlend  = new BLENDFUNCTION(Constants.AC_SRC_OVER, 0, 0xFF, Constants.AC_SRC_ALPHA);
                WinAPI.UpdateLayeredWindow(host.Handle, hDC, ref ptWinPos, ref szWin,
                                           hdcMemory, ref ptSrc, 0, ref stBlend, Constants.ULW_ALPHA);
                graphic.Dispose();
                WinAPI.SelectObject(hbmpMem, hbmpOld);
                WinAPI.DeleteObject(hbmpMem);
            }
            WinAPI.DeleteDC(hdcMemory);
            WinAPI.DeleteDC(hDC);
            m_bIsRefreshing = false;
        }