示例#1
0
        /// <summary>
        ///     Paint the actual visible parts
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnPaint(object sender, PaintEventArgs e)
        {
            var graphics      = e.Graphics;
            var clipRectangle = e.ClipRectangle;

            graphics.DrawImageUnscaled(_capture.Bitmap, Point.Empty);
            // Only draw Cursor if it's (partly) visible
            if (_capture.Cursor != null && _capture.CursorVisible && clipRectangle.IntersectsWith(new Rectangle(_capture.CursorLocation, _capture.Cursor.Size)))
            {
                graphics.DrawIcon(_capture.Cursor, _capture.CursorLocation.X, _capture.CursorLocation.Y);
            }

            if (_mouseDown || UsedCaptureMode == CaptureMode.Window || IsAnimating(_windowAnimator))
            {
                _captureRect = _captureRect.Intersect(new Rectangle(Point.Empty, _capture.ScreenBounds.Size)); // crop what is outside the screen

                var fixedRect = IsAnimating(_windowAnimator) ? _windowAnimator.Current : _captureRect;

                // If the _windowScroller != null, we can (most likely) capture the window with a scrolling technique
                if (WindowScroller != null && Equals(WindowScroller.ScrollBarWindow, SelectedCaptureWindow))
                {
                    graphics.FillRectangle(ScrollingOverlayBrush, fixedRect);
                }
                else
                {
                    graphics.FillRectangle(GreenOverlayBrush, fixedRect);
                }
                graphics.DrawRectangle(OverlayPen, fixedRect);

                // rulers
                const int dist = 8;

                string captureWidth;
                string captureHeight;
                // The following fixes the very old incorrect size information bug
                if (UsedCaptureMode == CaptureMode.Window)
                {
                    captureWidth  = _captureRect.Width.ToString(CultureInfo.InvariantCulture);
                    captureHeight = _captureRect.Height.ToString(CultureInfo.InvariantCulture);
                }
                else
                {
                    captureWidth  = (_captureRect.Width + 1).ToString(CultureInfo.InvariantCulture);
                    captureHeight = (_captureRect.Height + 1).ToString(CultureInfo.InvariantCulture);
                }
                using (var rulerFont = new Font(FontFamily.GenericSansSerif, 8))
                {
                    var   measureWidth  = TextRenderer.MeasureText(captureWidth, rulerFont);
                    var   measureHeight = TextRenderer.MeasureText(captureHeight, rulerFont);
                    var   hSpace        = measureWidth.Width + 3;
                    var   vSpace        = measureHeight.Height + 3;
                    Brush bgBrush       = new SolidBrush(Color.FromArgb(200, 217, 240, 227));
                    var   rulerPen      = new Pen(Color.SeaGreen);

                    // horizontal ruler
                    if (fixedRect.Width > hSpace + 3)
                    {
                        using (var p = RoundedRectangle.Create2(
                                   fixedRect.X + (fixedRect.Width / 2 - hSpace / 2) + 3,
                                   fixedRect.Y - dist - 7,
                                   measureWidth.Width - 3,
                                   measureWidth.Height,
                                   3))
                        {
                            graphics.FillPath(bgBrush, p);
                            graphics.DrawPath(rulerPen, p);
                            graphics.DrawString(captureWidth, rulerFont, rulerPen.Brush, fixedRect.X + (fixedRect.Width / 2 - hSpace / 2) + 3, fixedRect.Y - dist - 7);
                            graphics.DrawLine(rulerPen, fixedRect.X, fixedRect.Y - dist, fixedRect.X + (fixedRect.Width / 2 - hSpace / 2), fixedRect.Y - dist);
                            graphics.DrawLine(rulerPen, fixedRect.X + fixedRect.Width / 2 + hSpace / 2, fixedRect.Y - dist, fixedRect.X + fixedRect.Width, fixedRect.Y - dist);
                            graphics.DrawLine(rulerPen, fixedRect.X, fixedRect.Y - dist - 3, fixedRect.X, fixedRect.Y - dist + 3);
                            graphics.DrawLine(rulerPen, fixedRect.X + fixedRect.Width, fixedRect.Y - dist - 3, fixedRect.X + fixedRect.Width, fixedRect.Y - dist + 3);
                        }
                    }

                    // vertical ruler
                    if (fixedRect.Height > vSpace + 3)
                    {
                        using (var p = RoundedRectangle.Create2(
                                   fixedRect.X - measureHeight.Width + 1,
                                   fixedRect.Y + (fixedRect.Height / 2 - vSpace / 2) + 2,
                                   measureHeight.Width - 3,
                                   measureHeight.Height - 1,
                                   3))
                        {
                            graphics.FillPath(bgBrush, p);
                            graphics.DrawPath(rulerPen, p);
                            graphics.DrawString(captureHeight, rulerFont, rulerPen.Brush, fixedRect.X - measureHeight.Width + 1, fixedRect.Y + (fixedRect.Height / 2 - vSpace / 2) + 2);
                            graphics.DrawLine(rulerPen, fixedRect.X - dist, fixedRect.Y, fixedRect.X - dist, fixedRect.Y + (fixedRect.Height / 2 - vSpace / 2));
                            graphics.DrawLine(rulerPen, fixedRect.X - dist, fixedRect.Y + fixedRect.Height / 2 + vSpace / 2, fixedRect.X - dist, fixedRect.Y + fixedRect.Height);
                            graphics.DrawLine(rulerPen, fixedRect.X - dist - 3, fixedRect.Y, fixedRect.X - dist + 3, fixedRect.Y);
                            graphics.DrawLine(rulerPen, fixedRect.X - dist - 3, fixedRect.Y + fixedRect.Height, fixedRect.X - dist + 3, fixedRect.Y + fixedRect.Height);
                        }
                    }

                    rulerPen.Dispose();
                    bgBrush.Dispose();
                }

                // Display size of selected rectangle
                // Prepare the font and text.
                using (var sizeFont = new Font(FontFamily.GenericSansSerif, 12))
                {
                    // When capturing a Region we need to add 1 to the height/width for correction
                    string sizeText;
                    if (UsedCaptureMode == CaptureMode.Region)
                    {
                        // correct the GUI width to real width for the shown size
                        sizeText = _captureRect.Width + 1 + " x " + (_captureRect.Height + 1);
                    }
                    else
                    {
                        sizeText = _captureRect.Width + " x " + _captureRect.Height;
                    }

                    // Calculate the scaled font size.
                    var extent  = graphics.MeasureString(sizeText, sizeFont);
                    var hRatio  = _captureRect.Height / (extent.Height * 2);
                    var wRatio  = _captureRect.Width / (extent.Width * 2);
                    var ratio   = hRatio < wRatio ? hRatio : wRatio;
                    var newSize = sizeFont.Size * ratio;

                    if (newSize >= 4)
                    {
                        // Only show if 4pt or larger.
                        if (newSize > 20)
                        {
                            newSize = 20;
                        }
                        // Draw the size.
                        using (var newSizeFont = new Font(FontFamily.GenericSansSerif, newSize, FontStyle.Bold))
                        {
                            var sizeLocation = new PointF(fixedRect.X + _captureRect.Width / 2 - extent.Width / 2, fixedRect.Y + _captureRect.Height / 2 - newSizeFont.GetHeight() / 2);
                            graphics.DrawString(sizeText, newSizeFont, Brushes.LightSeaGreen, sizeLocation);

                            if (_showDebugInfo && SelectedCaptureWindow != null)
                            {
                                using (var process = Process.GetProcessById(SelectedCaptureWindow.GetProcessId()))
                                {
                                    string title         = $"#{SelectedCaptureWindow.Handle.ToInt64():X} - {(SelectedCaptureWindow.Text.Length > 0 ? SelectedCaptureWindow.Text : process.ProcessName)}";
                                    var    debugLocation = new PointF(fixedRect.X, fixedRect.Y);
                                    graphics.DrawString(title, sizeFont, Brushes.DarkOrange, debugLocation);
                                }
                            }
                        }
                    }
                }
            }
            else
            {
                using (var pen = new Pen(Color.LightSeaGreen))
                {
                    pen.DashStyle = DashStyle.Dot;
                    var screenBounds = _capture.ScreenBounds;
                    graphics.DrawLine(pen, _cursorPos.X, screenBounds.Y, _cursorPos.X, screenBounds.Height);
                    graphics.DrawLine(pen, screenBounds.X, _cursorPos.Y, screenBounds.Width, _cursorPos.Y);
                }

                var xy = _cursorPos.X + " x " + _cursorPos.Y;
                using (var f = new Font(FontFamily.GenericSansSerif, 8))
                {
                    var xySize = TextRenderer.MeasureText(xy, f);
                    using (var gp = RoundedRectangle.Create2(_cursorPos.X + 5, _cursorPos.Y + 5, xySize.Width - 3, xySize.Height, 3))
                    {
                        using (Brush bgBrush = new SolidBrush(Color.FromArgb(200, 217, 240, 227)))
                        {
                            graphics.FillPath(bgBrush, gp);
                        }
                        using (var pen = new Pen(Color.SeaGreen))
                        {
                            graphics.DrawPath(pen, gp);
                            var coordinatePosition = new Point(_cursorPos.X + 5, _cursorPos.Y + 5);
                            graphics.DrawString(xy, f, pen.Brush, coordinatePosition);
                        }
                    }
                }
            }

            // Zoom
            if (_zoomAnimator == null || (!IsAnimating(_zoomAnimator) && UsedCaptureMode == CaptureMode.Window))
            {
                return;
            }
            const int zoomSourceWidth  = 25;
            const int zoomSourceHeight = 25;

            var sourceRectangle = new NativeRect(_cursorPos.X - zoomSourceWidth / 2, _cursorPos.Y - zoomSourceHeight / 2, zoomSourceWidth, zoomSourceHeight);

            var destinationRectangle = _zoomAnimator.Current.Offset(_cursorPos);

            DrawZoom(graphics, sourceRectangle, destinationRectangle);
        }
        /// <summary>
        /// Paint the actual visible parts
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void OnPaint(object sender, PaintEventArgs e)
        {
            Graphics  graphics      = e.Graphics;
            Rectangle clipRectangle = e.ClipRectangle;

            //graphics.BitBlt((Bitmap)buffer, Point.Empty);
            graphics.DrawImageUnscaled(_capture.Image, Point.Empty);
            // Only draw Cursor if it's (partly) visible
            if (_capture.Cursor != null && _capture.CursorVisible && clipRectangle.IntersectsWith(new Rectangle(_capture.CursorLocation, _capture.Cursor.Size)))
            {
                graphics.DrawIcon(_capture.Cursor, _capture.CursorLocation.X, _capture.CursorLocation.Y);
            }

            if (_mouseDown || _captureMode == CaptureMode.Window || isAnimating(_windowAnimator))
            {
                _captureRect.Intersect(new Rectangle(Point.Empty, _capture.ScreenBounds.Size)); // crop what is outside the screen

                Rectangle fixedRect;
                //if (captureMode == CaptureMode.Window) {
                if (isAnimating(_windowAnimator))
                {
                    // Use the animator
                    fixedRect = _windowAnimator.Current;
                }
                else
                {
                    fixedRect = _captureRect;
                }

                // TODO: enable when the screen capture code works reliable
                //if (capture.CaptureDetails.CaptureMode == CaptureMode.Video) {
                //	graphics.FillRectangle(RedOverlayBrush, fixedRect);
                //} else {
                graphics.FillRectangle(GreenOverlayBrush, fixedRect);
                //}
                graphics.DrawRectangle(OverlayPen, fixedRect);

                // rulers
                const int dist = 8;

                string captureWidth;
                string captureHeight;
                // The following fixes the very old incorrect size information bug
                if (_captureMode == CaptureMode.Window)
                {
                    captureWidth  = _captureRect.Width.ToString(CultureInfo.InvariantCulture);
                    captureHeight = _captureRect.Height.ToString(CultureInfo.InvariantCulture);
                }
                else
                {
                    captureWidth  = (_captureRect.Width + 1).ToString(CultureInfo.InvariantCulture);
                    captureHeight = (_captureRect.Height + 1).ToString(CultureInfo.InvariantCulture);
                }
                using (Font rulerFont = new Font(FontFamily.GenericSansSerif, 8))
                {
                    Size  measureWidth  = TextRenderer.MeasureText(captureWidth, rulerFont);
                    Size  measureHeight = TextRenderer.MeasureText(captureHeight, rulerFont);
                    int   hSpace        = measureWidth.Width + 3;
                    int   vSpace        = measureHeight.Height + 3;
                    Brush bgBrush       = new SolidBrush(Color.FromArgb(200, 217, 240, 227));
                    Pen   rulerPen      = new Pen(Color.SeaGreen);

                    // horizontal ruler
                    if (fixedRect.Width > hSpace + 3)
                    {
                        using (GraphicsPath p = RoundedRectangle.Create2(
                                   fixedRect.X + (fixedRect.Width / 2 - hSpace / 2) + 3,
                                   fixedRect.Y - dist - 7,
                                   measureWidth.Width - 3,
                                   measureWidth.Height,
                                   3))
                        {
                            graphics.FillPath(bgBrush, p);
                            graphics.DrawPath(rulerPen, p);
                            graphics.DrawString(captureWidth, rulerFont, rulerPen.Brush, fixedRect.X + (fixedRect.Width / 2 - hSpace / 2) + 3, fixedRect.Y - dist - 7);
                            graphics.DrawLine(rulerPen, fixedRect.X, fixedRect.Y - dist, fixedRect.X + (fixedRect.Width / 2 - hSpace / 2), fixedRect.Y - dist);
                            graphics.DrawLine(rulerPen, fixedRect.X + (fixedRect.Width / 2 + hSpace / 2), fixedRect.Y - dist, fixedRect.X + fixedRect.Width, fixedRect.Y - dist);
                            graphics.DrawLine(rulerPen, fixedRect.X, fixedRect.Y - dist - 3, fixedRect.X, fixedRect.Y - dist + 3);
                            graphics.DrawLine(rulerPen, fixedRect.X + fixedRect.Width, fixedRect.Y - dist - 3, fixedRect.X + fixedRect.Width, fixedRect.Y - dist + 3);
                        }
                    }

                    // vertical ruler
                    if (fixedRect.Height > vSpace + 3)
                    {
                        using (GraphicsPath p = RoundedRectangle.Create2(
                                   fixedRect.X - measureHeight.Width + 1,
                                   fixedRect.Y + (fixedRect.Height / 2 - vSpace / 2) + 2,
                                   measureHeight.Width - 3,
                                   measureHeight.Height - 1,
                                   3))
                        {
                            graphics.FillPath(bgBrush, p);
                            graphics.DrawPath(rulerPen, p);
                            graphics.DrawString(captureHeight, rulerFont, rulerPen.Brush, fixedRect.X - measureHeight.Width + 1, fixedRect.Y + (fixedRect.Height / 2 - vSpace / 2) + 2);
                            graphics.DrawLine(rulerPen, fixedRect.X - dist, fixedRect.Y, fixedRect.X - dist, fixedRect.Y + (fixedRect.Height / 2 - vSpace / 2));
                            graphics.DrawLine(rulerPen, fixedRect.X - dist, fixedRect.Y + (fixedRect.Height / 2 + vSpace / 2), fixedRect.X - dist, fixedRect.Y + fixedRect.Height);
                            graphics.DrawLine(rulerPen, fixedRect.X - dist - 3, fixedRect.Y, fixedRect.X - dist + 3, fixedRect.Y);
                            graphics.DrawLine(rulerPen, fixedRect.X - dist - 3, fixedRect.Y + fixedRect.Height, fixedRect.X - dist + 3, fixedRect.Y + fixedRect.Height);
                        }
                    }

                    rulerPen.Dispose();
                    bgBrush.Dispose();
                }

                // Display size of selected rectangle
                // Prepare the font and text.
                using (Font sizeFont = new Font(FontFamily.GenericSansSerif, 12))
                {
                    // When capturing a Region we need to add 1 to the height/width for correction
                    string sizeText;
                    if (_captureMode == CaptureMode.Region)
                    {
                        // correct the GUI width to real width for the shown size
                        sizeText = (_captureRect.Width + 1) + " x " + (_captureRect.Height + 1);
                    }
                    else
                    {
                        sizeText = _captureRect.Width + " x " + _captureRect.Height;
                    }

                    // Calculate the scaled font size.
                    SizeF extent  = graphics.MeasureString(sizeText, sizeFont);
                    float hRatio  = _captureRect.Height / (extent.Height * 2);
                    float wRatio  = _captureRect.Width / (extent.Width * 2);
                    float ratio   = (hRatio < wRatio ? hRatio : wRatio);
                    float newSize = sizeFont.Size * ratio;

                    if (newSize >= 4)
                    {
                        // Only show if 4pt or larger.
                        if (newSize > 20)
                        {
                            newSize = 20;
                        }
                        // Draw the size.
                        using (Font newSizeFont = new Font(FontFamily.GenericSansSerif, newSize, FontStyle.Bold))
                        {
                            PointF sizeLocation = new PointF(fixedRect.X + (_captureRect.Width / 2) - (extent.Width / 2), fixedRect.Y + (_captureRect.Height / 2) - (newSizeFont.GetHeight() / 2));
                            graphics.DrawString(sizeText, newSizeFont, Brushes.LightSeaGreen, sizeLocation);
                        }
                    }
                }
            }
            else
            {
                if (!isTerminalServerSession)
                {
                    using (Pen pen = new Pen(Color.LightSeaGreen))
                    {
                        pen.DashStyle = DashStyle.Dot;
                        Rectangle screenBounds = _capture.ScreenBounds;
                        graphics.DrawLine(pen, _cursorPos.X, screenBounds.Y, _cursorPos.X, screenBounds.Height);
                        graphics.DrawLine(pen, screenBounds.X, _cursorPos.Y, screenBounds.Width, _cursorPos.Y);
                    }

                    string xy = _cursorPos.X + " x " + _cursorPos.Y;
                    using (Font f = new Font(FontFamily.GenericSansSerif, 8))
                    {
                        Size xySize = TextRenderer.MeasureText(xy, f);
                        using (GraphicsPath gp = RoundedRectangle.Create2(_cursorPos.X + 5, _cursorPos.Y + 5, xySize.Width - 3, xySize.Height, 3))
                        {
                            using (Brush bgBrush = new SolidBrush(Color.FromArgb(200, 217, 240, 227)))
                            {
                                graphics.FillPath(bgBrush, gp);
                            }
                            using (Pen pen = new Pen(Color.SeaGreen))
                            {
                                graphics.DrawPath(pen, gp);
                                Point coordinatePosition = new Point(_cursorPos.X + 5, _cursorPos.Y + 5);
                                graphics.DrawString(xy, f, pen.Brush, coordinatePosition);
                            }
                        }
                    }
                }
            }

            // Zoom
            if (_zoomAnimator != null && (isAnimating(_zoomAnimator) || _captureMode != CaptureMode.Window))
            {
                const int zoomSourceWidth  = 25;
                const int zoomSourceHeight = 25;

                Rectangle sourceRectangle      = new Rectangle(_cursorPos.X - (zoomSourceWidth / 2), _cursorPos.Y - (zoomSourceHeight / 2), zoomSourceWidth, zoomSourceHeight);
                Rectangle destinationRectangle = _zoomAnimator.Current;
                destinationRectangle.Offset(_cursorPos);
                DrawZoom(graphics, sourceRectangle, destinationRectangle);
            }
        }