private void Form2_FormClosed(object sender, FormClosedEventArgs e) { // Ensure that you correctly disconnect from the tablet, otherwise you are // likely to get errors when wanting to connect a second time. if (m_tablet != null) { m_tablet.onGetReportException -= new wgssSTU.ITabletEvents2_onGetReportExceptionEventHandler(onGetReportException); m_tablet.onPenData -= new wgssSTU.ITabletEvents2_onPenDataEventHandler(onPenData); m_tablet.onPenDataEncrypted -= new wgssSTU.ITabletEvents2_onPenDataEncryptedEventHandler(onPenDataEncrypted); m_tablet.onPenDataTimeCountSequence -= new wgssSTU.ITabletEvents2_onPenDataTimeCountSequenceEventHandler(onPenDataTimeCountSequence); m_tablet.onPenDataTimeCountSequenceEncrypted -= new wgssSTU.ITabletEvents2_onPenDataTimeCountSequenceEncryptedEventHandler(onPenDataTimeCountSequenceEncrypted); m_tablet.onGetReportException -= new wgssSTU.ITabletEvents2_onGetReportExceptionEventHandler(onGetReportException); m_tablet.setInkingMode(0x00); // We have to disable encryption before sending any image to the pad (even just to clear it) if (m_useEncryption) { m_tablet.endCapture(); } m_tablet.setClearScreen(); m_tablet.disconnect(); } m_penInk.Dispose(); }
private void Form2_FormClosed(object sender, FormClosedEventArgs e) { // Ensure that you correctly disconnect from the tablet, otherwise you are // likely to get errors when wanting to connect a second time. if (m_tablet != null) { m_tablet.onPenData -= new wgssSTU.ITabletEvents2_onPenDataEventHandler(onPenData); m_tablet.onGetReportException -= new wgssSTU.ITabletEvents2_onGetReportExceptionEventHandler(onGetReportException); m_tablet.setInkingMode(0x00); m_tablet.setClearScreen(); m_tablet.disconnect(); } m_penInk.Dispose(); }
// Pass in the device you want to connect to! public SignatureForm(wgssSTU.IUsbDevice usbDevice, bool encryptionWanted) { int currentPenDataOptionMode; m_penDataOptionMode = -1; // This is a DPI aware application, so ensure you understand how .NET client coordinates work. // Testing using a Windows installation set to a high DPI is recommended to understand how // values get scaled or not. this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi; InitializeComponent(); m_penData = new List <wgssSTU.IPenData>(); m_tablet = new wgssSTU.Tablet(); wgssSTU.ProtocolHelper protocolHelper = new wgssSTU.ProtocolHelper(); // A more sophisticated applications should cycle for a few times as the connection may only be // temporarily unavailable for a second or so. // For example, if a background process such as Wacom STU Display // is running, this periodically updates a slideshow of images to the device. wgssSTU.IErrorCode ec = m_tablet.usbConnect(usbDevice, true); if (ec.value == 0) { m_capability = m_tablet.getCapability(); m_information = m_tablet.getInformation(); // First find out if the pad supports the pen data option mode (the 300 doesn't) currentPenDataOptionMode = getPenDataOptionMode(); // Set up the tablet to return time stamp with the pen data or just basic data setPenDataOptionMode(currentPenDataOptionMode); } else { throw new Exception(ec.message); } this.SuspendLayout(); this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi; // Set the size of the client window to be actual size, // based on the reported DPI of the monitor. Size clientSize = new Size((int)(m_capability.tabletMaxX / 2540F * 96F), (int)(m_capability.tabletMaxY / 2540F * 96F)); this.ClientSize = clientSize; this.ResumeLayout(); m_btns = new Button[3]; if (usbDevice.idProduct != 0x00a2) { // Place the buttons across the bottom of the screen. int w2 = m_capability.screenWidth / 3; int w3 = m_capability.screenWidth / 3; int w1 = m_capability.screenWidth - w2 - w3; int y = m_capability.screenHeight * 6 / 7; int h = m_capability.screenHeight - y; m_btns[0].Bounds = new Rectangle(0, y, w1, h); m_btns[1].Bounds = new Rectangle(w1, y, w2, h); m_btns[2].Bounds = new Rectangle(w1 + w2, y, w3, h); } else { // The STU-300 is very shallow, so it is better to utilise // the buttons to the side of the display instead. int x = m_capability.screenWidth * 3 / 4; int w = m_capability.screenWidth - x; int h2 = m_capability.screenHeight / 3; int h3 = m_capability.screenHeight / 3; int h1 = m_capability.screenHeight - h2 - h3; m_btns[0].Bounds = new Rectangle(x, 0, w, h1); m_btns[1].Bounds = new Rectangle(x, h1, w, h2); m_btns[2].Bounds = new Rectangle(x, h1 + h2, w, h3); } m_btns[0].Text = "OK"; m_btns[1].Text = "Clear"; m_btns[2].Text = "Cancel"; m_btns[0].Click = new EventHandler(btnOk_Click); m_btns[1].Click = new EventHandler(btnClear_Click); m_btns[2].Click = new EventHandler(btnCancel_Click); // Disable color if the STU-520 bulk driver isn't installed. // This isn't necessary, but uploading colour images with out the driver // is very slow. // Calculate the encodingMode that will be used to update the image ushort idP = m_tablet.getProductId(); wgssSTU.encodingFlag encodingFlag = (wgssSTU.encodingFlag)protocolHelper.simulateEncodingFlag(idP, 0); bool useColor = false; if ((encodingFlag & (wgssSTU.encodingFlag.EncodingFlag_16bit | wgssSTU.encodingFlag.EncodingFlag_24bit)) != 0) { if (m_tablet.supportsWrite()) { useColor = true; } } if ((encodingFlag & wgssSTU.encodingFlag.EncodingFlag_24bit) != 0) { m_encodingMode = m_tablet.supportsWrite() ? wgssSTU.encodingMode.EncodingMode_24bit_Bulk : wgssSTU.encodingMode.EncodingMode_24bit; } else if ((encodingFlag & wgssSTU.encodingFlag.EncodingFlag_16bit) != 0) { m_encodingMode = m_tablet.supportsWrite() ? wgssSTU.encodingMode.EncodingMode_16bit_Bulk : wgssSTU.encodingMode.EncodingMode_16bit; } else { // assumes 1bit is available m_encodingMode = wgssSTU.encodingMode.EncodingMode_1bit; } // Size the bitmap to the size of the LCD screen. // This application uses the same bitmap for both the screen and client (window). // However, at high DPI, this bitmap will be stretch and it would be better to // create individual bitmaps for screen and client at native resolutions. m_bitmap = new Bitmap(m_capability.screenWidth, m_capability.screenHeight, System.Drawing.Imaging.PixelFormat.Format32bppArgb); { Graphics gfx = Graphics.FromImage(m_bitmap); gfx.Clear(Color.White); // Uses pixels for units as DPI won't be accurate for tablet LCD. Font font = new Font(FontFamily.GenericSansSerif, m_btns[0].Bounds.Height / 2F, GraphicsUnit.Pixel); StringFormat sf = new StringFormat(); sf.Alignment = StringAlignment.Center; sf.LineAlignment = StringAlignment.Center; if (useColor) { gfx.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit; } else { // Anti-aliasing should be turned off for monochrome devices. gfx.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixel; } // Draw the buttons for (int i = 0; i < m_btns.Length; ++i) { if (useColor) { gfx.FillRectangle(Brushes.LightGray, m_btns[i].Bounds); } gfx.DrawRectangle(Pens.Black, m_btns[i].Bounds); gfx.DrawString(m_btns[i].Text, font, Brushes.Black, m_btns[i].Bounds, sf); } gfx.Dispose(); font.Dispose(); // Finally, use this bitmap for the window background. this.BackgroundImage = m_bitmap; this.BackgroundImageLayout = ImageLayout.Stretch; } // Now the bitmap has been created, it needs to be converted to device-native // format. { // Unfortunately it is not possible for the native COM component to // understand .NET bitmaps. We have therefore convert the .NET bitmap // into a memory blob that will be understood by COM. System.IO.MemoryStream stream = new System.IO.MemoryStream(); m_bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Png); m_bitmapData = (byte[])protocolHelper.resizeAndFlatten(stream.ToArray(), 0, 0, (uint)m_bitmap.Width, (uint)m_bitmap.Height, m_capability.screenWidth, m_capability.screenHeight, (byte)m_encodingMode, wgssSTU.Scale.Scale_Fit, 0, 0); protocolHelper = null; stream.Dispose(); } // If you wish to further optimize image transfer, you can compress the image using // the Zlib algorithm. bool useZlibCompression = false; if (!useColor && useZlibCompression) { // m_bitmapData = compress_using_zlib(m_bitmapData); // insert compression here! m_encodingMode |= wgssSTU.encodingMode.EncodingMode_Zlib; } // Calculate the size and cache the inking pen. SizeF s = this.AutoScaleDimensions; float inkWidthMM = 0.7F; m_penInk = new Pen(Color.DarkBlue, inkWidthMM / 25.4F * ((s.Width + s.Height) / 2F)); m_penInk.StartCap = m_penInk.EndCap = System.Drawing.Drawing2D.LineCap.Round; m_penInk.LineJoin = System.Drawing.Drawing2D.LineJoin.Round; addDelegates(); // Initialize the screen clearScreen(); if (encryptionWanted) { if (m_tablet.isSupported((byte)wgssSTU.ReportId.ReportId_EncryptionStatus)) { MyEncryptionHandler2 e = new MyEncryptionHandler2(); m_tablet.encryptionHandler2 = e; m_useEncryption = true; } if (m_useEncryption) { m_tablet.startCapture(0xc0ffee); } } // Enable the pen data on the screen (if not already) m_tablet.setInkingMode(0x01); }
public WacomPadForm(wgssSTU.IUsbDevice usbDevice, int points) { semaphore = true; this.minPoints = points; if (presingString != null) { presignText.Text = presingString; } this.sign = new GraphSign(); // This is a DPI aware application, so ensure you understand how .NET client coordinates work. // Testing using a Windows installation set to a high DPI is recommended to understand how // values get scaled or not. this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi; InitializeComponent(); m_tablet = new wgssSTU.Tablet(); wgssSTU.ProtocolHelper protocolHelper = new wgssSTU.ProtocolHelper(); // A more sophisticated applications should cycle for a few times as the connection may only be // temporarily unavailable for a second or so. // For example, if a background process such as Wacom STU Display // is running, this periodically updates a slideshow of images to the device. wgssSTU.IErrorCode ec = m_tablet.usbConnect(usbDevice, true); if (ec.value == 0) { m_capability = m_tablet.getCapability(); m_information = m_tablet.getInformation(); } else { throw new Exception(ec.message); } this.SuspendLayout(); this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi; // Set the size of the client window to be actual size, // based on the reported DPI of the monitor. Size clientSize = new Size((int)(m_capability.tabletMaxX / 2540F * 96F), (int)(m_capability.tabletMaxY / 2540F * 96F)); this.ClientSize = clientSize; this.ResumeLayout(); m_btns = new Button[3]; if (usbDevice.idProduct != 0x00a2) { // Place the buttons across the bottom of the screen. int w2 = m_capability.screenWidth / 3; int w3 = m_capability.screenWidth / 3; int w1 = m_capability.screenWidth - w2 - w3; int y = m_capability.screenHeight * 6 / 7; int h = m_capability.screenHeight - y; presignText.Bounds = new Rectangle(0, 0, m_capability.screenWidth, h); m_btns[0].Bounds = new Rectangle(0, y, w1, h); m_btns[1].Bounds = new Rectangle(w1, y, w2, h); m_btns[2].Bounds = new Rectangle(w1 + w2, y, w3, h); } else { // The STU-300 is very shallow, so it is better to utilise // the buttons to the side of the display instead. int x = m_capability.screenWidth * 3 / 4; int w = m_capability.screenWidth - x; int h2 = m_capability.screenHeight / 3; int h3 = m_capability.screenHeight / 3; int h1 = m_capability.screenHeight - h2 - h3; m_btns[0].Bounds = new Rectangle(x, 0, w, h1); m_btns[1].Bounds = new Rectangle(x, h1, w, h2); m_btns[2].Bounds = new Rectangle(x, h1 + h2, w, h3); } m_btns[0].Text = "Aceptar"; m_btns[1].Text = "Borrar"; m_btns[2].Text = "Cancelar"; m_btns[0].Click = new EventHandler(btnOk_Click); m_btns[1].Click = new EventHandler(btnClear_Click); m_btns[2].Click = new EventHandler(btnCancel_Click); // Disable color if the STU-520 bulk driver isn't installed. // This isn't necessary, but uploading colour images with out the driver // is very slow. // Calculate the encodingMode that will be used to update the image ushort idP = m_tablet.getProductId(); wgssSTU.encodingFlag encodingFlag = (wgssSTU.encodingFlag)protocolHelper.simulateEncodingFlag(idP, 0); bool useColor = false; if ((encodingFlag & (wgssSTU.encodingFlag.EncodingFlag_16bit | wgssSTU.encodingFlag.EncodingFlag_24bit)) != 0) { if (m_tablet.supportsWrite()) useColor = true; } if ((encodingFlag & wgssSTU.encodingFlag.EncodingFlag_24bit) != 0) { m_encodingMode = m_tablet.supportsWrite() ? wgssSTU.encodingMode.EncodingMode_24bit_Bulk : wgssSTU.encodingMode.EncodingMode_24bit; } else if ((encodingFlag & wgssSTU.encodingFlag.EncodingFlag_16bit) != 0) { m_encodingMode = m_tablet.supportsWrite() ? wgssSTU.encodingMode.EncodingMode_16bit_Bulk : wgssSTU.encodingMode.EncodingMode_16bit; } else { // assumes 1bit is available m_encodingMode = wgssSTU.encodingMode.EncodingMode_1bit; } // Size the bitmap to the size of the LCD screen. // This application uses the same bitmap for both the screen and client (window). // However, at high DPI, this bitmap will be stretch and it would be better to // create individual bitmaps for screen and client at native resolutions. m_bitmap = new Bitmap(m_capability.screenWidth, m_capability.screenHeight, System.Drawing.Imaging.PixelFormat.Format32bppArgb); { Graphics gfx = Graphics.FromImage(m_bitmap); gfx.Clear(Color.White); // Uses pixels for units as DPI won't be accurate for tablet LCD. Font font = new Font(FontFamily.GenericSansSerif, m_btns[0].Bounds.Height / 2F, GraphicsUnit.Pixel); StringFormat sf = new StringFormat(); sf.Alignment = StringAlignment.Center; sf.LineAlignment = StringAlignment.Center; if (useColor) { gfx.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit; } else { // Anti-aliasing should be turned off for monochrome devices. gfx.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixel; } gfx.DrawRectangle(Pens.Black, presignText.Bounds); gfx.DrawString(presignText.Text, font, Brushes.Black, presignText.Bounds, sf); // Draw the buttons for (int i = 0; i < m_btns.Length; ++i) { if (useColor) { gfx.FillRectangle(Brushes.LightGray, m_btns[i].Bounds); } gfx.DrawRectangle(Pens.Black, m_btns[i].Bounds); gfx.DrawString(m_btns[i].Text, font, Brushes.Black, m_btns[i].Bounds, sf); } gfx.Dispose(); font.Dispose(); // Finally, use this bitmap for the window background. this.BackgroundImage = m_bitmap; this.BackgroundImageLayout = ImageLayout.Stretch; } // Now the bitmap has been created, it needs to be converted to device-native // format. { // Unfortunately it is not possible for the native COM component to // understand .NET bitmaps. We have therefore convert the .NET bitmap // into a memory blob that will be understood by COM. System.IO.MemoryStream stream = new System.IO.MemoryStream(); m_bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Png); m_bitmapData = (byte[])protocolHelper.resizeAndFlatten(stream.ToArray(), 0, 0, (uint)m_bitmap.Width, (uint)m_bitmap.Height, m_capability.screenWidth, m_capability.screenHeight, (byte)m_encodingMode, wgssSTU.Scale.Scale_Fit, 0, 0); protocolHelper = null; stream.Dispose(); } // If you wish to further optimize image transfer, you can compress the image using // the Zlib algorithm. bool useZlibCompression = false; if (!useColor && useZlibCompression) { // m_bitmapData = compress_using_zlib(m_bitmapData); // insert compression here! m_encodingMode |= wgssSTU.encodingMode.EncodingMode_Zlib; } // Calculate the size and cache the inking pen. SizeF s = this.AutoScaleDimensions; float inkWidthMM = 0.7F; m_penInk = new Pen(Color.DarkBlue, inkWidthMM / 25.4F * ((s.Width + s.Height) / 2F)); m_penInk.StartCap = m_penInk.EndCap = System.Drawing.Drawing2D.LineCap.Round; m_penInk.LineJoin = System.Drawing.Drawing2D.LineJoin.Round; // Add the delagate that receives pen data. m_tablet.onPenData += new wgssSTU.ITabletEvents2_onPenDataEventHandler(onPenData); m_tablet.onGetReportException += new wgssSTU.ITabletEvents2_onGetReportExceptionEventHandler(onGetReportException); // Initialize the screen clearScreen(); // Enable the pen data on the screen (if not already) m_tablet.setInkingMode(0x01); }