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https://github.com/greenshot/greenshot
synced 2025-08-20 13:33:27 -07:00
Extracted the refresh/animation logic to its own class, so it could be reused elsewhere. It would be even possible to extract more, but for now this is a good basis.
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2366 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom
parent
83d244c3bf
commit
b7cfe23605
3 changed files with 129 additions and 110 deletions
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@ -34,12 +34,13 @@ using Greenshot.Plugin;
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using GreenshotPlugin.UnmanagedHelpers;
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using GreenshotPlugin.Core;
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using Greenshot.IniFile;
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using GreenshotPlugin.Controls;
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namespace Greenshot.Forms {
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/// <summary>
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/// The capture form is used to select a part of the capture
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/// </summary>
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public partial class CaptureForm : Form {
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public partial class CaptureForm : AnimatingForm {
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private enum FixMode {None, Initiated, Horizontal, Vertical};
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private static readonly log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(CaptureForm));
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@ -49,8 +50,10 @@ namespace Greenshot.Forms {
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private static Pen OverlayPen = new Pen(Color.FromArgb(50, Color.Black));
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private static CaptureForm currentForm = null;
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private static Brush backgroundBrush = null;
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private static int vRefresh = 0;
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/// <summary>
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/// Initialize the background brush
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/// </summary>
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static CaptureForm() {
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Image backgroundForTransparency = GreenshotPlugin.Core.GreenshotResources.getImage("Checkerboard.Image");
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backgroundBrush = new TextureBrush(backgroundForTransparency, WrapMode.Tile);
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@ -67,49 +70,11 @@ namespace Greenshot.Forms {
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private Rectangle captureRect = Rectangle.Empty;
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private ICapture capture = null;
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private Image capturedImage = null;
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private Timer timer = null;
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private Point previousMousePos = Point.Empty;
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private FixMode fixMode = FixMode.None;
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private RectangleAnimator windowAnimator = null;
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private RectangleAnimator zoomAnimator = null;
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/// <summary>
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/// Vertical Refresh Rate
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/// </summary>
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private static int VRefresh {
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get {
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if (vRefresh == 0) {
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// get te hDC of the desktop to get the VREFRESH
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IntPtr hDCDesktop = User32.GetWindowDC(User32.GetDesktopWindow());
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vRefresh = GDI32.GetDeviceCaps(hDCDesktop, DeviceCaps.VREFRESH);
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User32.ReleaseDC(hDCDesktop);
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}
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return vRefresh;
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}
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}
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/// <summary>
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/// Check if we need to optimize for RDP / Terminal Server sessions
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/// </summary>
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private static bool optimizeForTerminalServer {
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get {
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return conf.OptimizeForRDP || SystemInformation.TerminalServerSession;
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}
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}
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/// <summary>
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/// Calculate the amount of frames that an animation takes
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/// </summary>
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/// <param name="milliseconds"></param>
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/// <returns>Number of frames, 1 if in Terminal Server Session</returns>
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private static int calculateFrames(int milliseconds) {
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// If we are in a Terminal Server Session we return 1
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if (optimizeForTerminalServer) {
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return 1;
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}
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return milliseconds / VRefresh;
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}
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/// <summary>
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/// Property to access the selected capture rectangle
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/// </summary>
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@ -153,7 +118,7 @@ namespace Greenshot.Forms {
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/// </summary>
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/// <param name="capture"></param>
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/// <param name="windows"></param>
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public CaptureForm(ICapture capture, List<WindowDetails> windows) {
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public CaptureForm(ICapture capture, List<WindowDetails> windows) : base() {
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if (currentForm != null) {
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LOG.Debug("Found currentForm, Closing already opened CaptureForm");
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currentForm.Close();
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@ -162,9 +127,6 @@ namespace Greenshot.Forms {
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}
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currentForm = this;
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// comment this out if the timer should not be used
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timer = new Timer();
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// Using 32bppPArgb speeds up the drawing.
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//capturedImage = ImageHelper.Clone(capture.Image, PixelFormat.Format32bppPArgb);
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// comment the clone, uncomment the assignment and the original bitmap is used.
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@ -185,16 +147,13 @@ namespace Greenshot.Forms {
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//
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InitializeComponent();
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// Only double-buffer when we are not in a TerminalServerSession
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this.DoubleBuffered = !optimizeForTerminalServer;
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this.DoubleBuffered = !OptimizeForTerminalServer;
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this.Text = "Greenshot capture form";
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// Make sure we never capture the captureform
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WindowDetails.RegisterIgnoreHandle(this.Handle);
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// Unregister at close
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this.FormClosing += delegate {
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if (timer != null) {
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timer.Stop();
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}
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// remove the buffer if it was created inside this form
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if (capturedImage != capture.Image) {
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capturedImage.Dispose();
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@ -208,7 +167,7 @@ namespace Greenshot.Forms {
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// Initialize the animations, the window capture zooms out from the cursor to the window under the cursor
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if (captureMode == CaptureMode.Window) {
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windowAnimator = new RectangleAnimator(new Rectangle(cursorPos, Size.Empty), captureRect, calculateFrames(700), EasingType.Quintic, EasingMode.EaseOut);
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windowAnimator = new RectangleAnimator(new Rectangle(cursorPos, Size.Empty), captureRect, CalculateFrames(700), EasingType.Quintic, EasingMode.EaseOut);
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}
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// Set the zoomer animation
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@ -221,12 +180,6 @@ namespace Greenshot.Forms {
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// Fix missing focus
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WindowDetails.ToForeground(this.Handle);
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this.TopMost = true;
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if (timer != null) {
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timer.Interval = 1000/VRefresh;
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timer.Tick += new EventHandler(timer_Tick);
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timer.Start();
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}
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}
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/// <summary>
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@ -235,10 +188,10 @@ namespace Greenshot.Forms {
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void InitializeZoomer(bool isOn) {
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if (isOn) {
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// Initialize the zoom with a invalid position
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zoomAnimator = new RectangleAnimator(Rectangle.Empty, new Rectangle(int.MaxValue, int.MaxValue, 0, 0), calculateFrames(1000), EasingType.Quintic, EasingMode.EaseOut);
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zoomAnimator = new RectangleAnimator(Rectangle.Empty, new Rectangle(int.MaxValue, int.MaxValue, 0, 0), CalculateFrames(1000), EasingType.Quintic, EasingMode.EaseOut);
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VerifyZoomAnimation(cursorPos, false);
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} else if (zoomAnimator != null) {
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zoomAnimator.ChangeDestination(new Rectangle(Point.Empty, Size.Empty), calculateFrames(1000));
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zoomAnimator.ChangeDestination(new Rectangle(Point.Empty, Size.Empty), CalculateFrames(1000));
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}
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}
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@ -310,7 +263,7 @@ namespace Greenshot.Forms {
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// "Fade out" Zoom
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InitializeZoomer(false);
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// "Fade in" window
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windowAnimator = new RectangleAnimator(new Rectangle(cursorPos, Size.Empty), captureRect, calculateFrames(700), EasingType.Quintic, EasingMode.EaseOut);
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windowAnimator = new RectangleAnimator(new Rectangle(cursorPos, Size.Empty), captureRect, CalculateFrames(700), EasingType.Quintic, EasingMode.EaseOut);
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captureRect = Rectangle.Empty;
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Invalidate();
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break;
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@ -318,7 +271,7 @@ namespace Greenshot.Forms {
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// Set the region capture mode
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captureMode = CaptureMode.Region;
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// "Fade out" window
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windowAnimator.ChangeDestination(new Rectangle(cursorPos, Size.Empty), calculateFrames(700));
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windowAnimator.ChangeDestination(new Rectangle(cursorPos, Size.Empty), CalculateFrames(700));
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// Fade in zoom
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InitializeZoomer(conf.ZoomerEnabled);
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captureRect = Rectangle.Empty;
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@ -412,20 +365,6 @@ namespace Greenshot.Forms {
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// Make sure the mouse coordinates are fixed, when pressing shift
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mouseMovePos = FixMouseCoordinates(WindowCapture.GetCursorLocation());
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mouseMovePos = WindowCapture.GetLocationRelativeToScreenBounds(mouseMovePos);
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// If the timer is used, the timer_Tick does the following.
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// If the timer is not used, we need to call the update ourselves
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if (timer == null) {
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updateFrame();
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}
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}
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/// <summary>
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/// The tick handler of the capture form, this initiates the frame drawing.
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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void timer_Tick(object sender, EventArgs e) {
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updateFrame();
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}
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/// <summary>
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@ -443,7 +382,7 @@ namespace Greenshot.Forms {
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/// <summary>
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/// update the frame, this only invalidates
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/// </summary>
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void updateFrame() {
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protected override void Animate() {
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Point lastPos = cursorPos.Clone();
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cursorPos = mouseMovePos.Clone();
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@ -526,7 +465,7 @@ namespace Greenshot.Forms {
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invalidateRectangle = new Rectangle(x1,y1, x2-x1, y2-y1);
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Invalidate(invalidateRectangle);
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} else if (captureMode != CaptureMode.Window) {
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if (!optimizeForTerminalServer) {
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if (!OptimizeForTerminalServer) {
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Rectangle allScreenBounds = WindowCapture.GetScreenBounds();
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allScreenBounds.Location = WindowCapture.GetLocationRelativeToScreenBounds(allScreenBounds.Location);
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if (verticalMove) {
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@ -549,7 +488,7 @@ namespace Greenshot.Forms {
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} else {
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if (selectedCaptureWindow != null && !selectedCaptureWindow.Equals(lastWindow)) {
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// Window changes, make new animation from current to target
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windowAnimator.ChangeDestination(captureRect, calculateFrames(700));
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windowAnimator.ChangeDestination(captureRect, CalculateFrames(700));
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}
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}
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// always animate the Window area through to the last frame, so we see the fade-in/out untill the end
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@ -657,11 +596,9 @@ namespace Greenshot.Forms {
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using (GraphicsPath path = new GraphicsPath()) {
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path.AddEllipse(destinationRectangle);
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using (Region clipRegion = new Region(path)) {
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graphics.Clip = clipRegion;
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graphics.FillRectangle(backgroundBrush, destinationRectangle);
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graphics.DrawImage(capturedImage, destinationRectangle, sourceRectangle, GraphicsUnit.Pixel);
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}
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graphics.SetClip(path);
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graphics.FillRectangle(backgroundBrush, destinationRectangle);
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graphics.DrawImage(capturedImage, destinationRectangle, sourceRectangle, GraphicsUnit.Pixel);
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}
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// Draw the circle around the zoomer
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@ -842,7 +779,7 @@ namespace Greenshot.Forms {
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}
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}
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} else {
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if (!optimizeForTerminalServer) {
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if (!OptimizeForTerminalServer) {
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using (Pen pen = new Pen(Color.LightSeaGreen)) {
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pen.DashStyle = DashStyle.Dot;
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Rectangle screenBounds = capture.ScreenBounds;
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