wpf move image with mouse


img.CaptureMouse(); The Interleaving Effect: How widely is this used? The final game will be using kinect for controls, so if there is a way to do this with kinect libraries or natively that is also an option. Also, there will be Increase and Decrease icons on both sides of the slider. In the footer toolbar, you can find the slider, which helps in increasing the zoom level of an image. Zoom. Two properties, ScaleTransformandCenterX, defined in theCenterYclass are used to set the origin coordinates of the zoom. this .DoImageMove(image, e.GetPosition(image)); private void DoImageMove( ContentControl image, Point position).

I want this to be good question, so I'll write in details what I would like to achieve, what I've found on the internet and I show what I've done so far and what I've tried. |Reason: Not specified, Welcome Guest! The first in Group . contact this location, Window Classics-Tampa TranslateTransform transform = group.Children[1] as TranslateTransform ; transform.X += position.X- this .previousMousePoint.X; transform.Y += position.Y- this .previousMousePoint.Y; Reprinted at: https://www.cnblogs.com/killmyday/archive/2009/10/28/1591755.html, Reference : https://blog.csdn.net/weixin_30855761/article/details/99933261, achieve the effect of mouse-controlled image zoom and movement.

spelling and grammar. Adorners do, on the other hand. If the picture is zoomed and moved, when it is zoomed again, it will be another story. The content must be between 30 and 50000 characters. However, the zoom function introduced in the previous article can only be realized with the center of the picture as the origin, but this function is often not what the customer wants. Understand that English isn't everyone's first language so be lenient of bad However, please note that the original picture I am talking about refers to the picture before it is moved. Then the user zooms the picture at the moved position, for example, by2times, this operation will also move the origin (black point) to the final picture position. . JS event Mouse over event onmouseover Mouse over event , When the mouse moves over an object , The object triggers onmouseover event , And implement onmouseover The program called by the event . Thank you.

, and the original picture can be scaled with the mouse position as the origin. In WPF, when the mouse moves to the button, the background image of the button disappears, WPF When the mouse moves over the button in , More articles about the disappearance of the background image of the button. Margin="5" Focusable="False" x:Name="BackFrame"> I have Images (basically controls) that I want to drag to items of listbox. If the picture is zoomed and moved, when it is zoomed again, it will be another story. Assume that the coordinates of the black dot are (10, 10) When running the program, the user first moves the square to the left position. The coordinates obtained by the mouse are relative to the picture. Of course, if you are familiar with graphics and linear algebra, in fact, the scaling and movement of the picture is to multiply the original picture by a matrix, and the TransformGroup.Inverse function is to perform the matrix inversion operation. This way, there will be no jumps when zooming. rev2022.7.21.42639. It is necessary to transform the coordinates of the mouse into the coordinates of the original picture, that is, the picture that has not been scaled. mouseDown = true; if (img == null) transform1.Y = -1 * ((pointToContent.Y * transform.ScaleY)-point.Y); var transform1 = group.Children[1] as TranslateTransform; What happens if I accidentally ground the output of an LDO regulator? private Point mouseXY; transform.Y -= mouseXY.Y-position.Y; Wow, I owe you big time. Of course, the origin (black dot) is also moved. If the ScaleX+ pulley index is less than 0.1, it returns. Third link was promising, but I wasn't able to adopt it to my needs. Tampa, FL33634 } For example, the box at the bottom right of the figure below is a picture in aWPFprogram, and the size is40 x 40The black dot inside is the origin of the pre-scaling. I think you should create another question, if you fail following certain tutorial, with code examples and what steps you took, http://nonocast.cn/adorner-in-wpf-part-5-drag-and-drop/, http://www.zagstudio.com/blog/488#.VfiMSBHtmko, http://www.infragistics.com/community/blogs/alex_fidanov/archive/2009/07/28/drag-amp-drop-with-datapresenter-family-controls.aspx, https://github.com/punker76/gong-wpf-dragdrop, C# How to drag and drop files into an application, .net How to use WPF bindings with RelativeSource, .net Whats the difference between StaticResource and DynamicResource in WPF, R WPF ListView/ItemsControl Drag Drop Adorner, .net In WPF, what are the differences between the x:Name and Name attributes, C# WPF C#: Rearrange items in listbox via drag and drop, How can I hide that small image window in my example when I cancel drag (MouseUp or incorrect drag target), Show I use Adorner and how can I use it in my code? [emailprotected]. TransformGroup.Inverse: After zooming the image, convert the coordinates on the zoomed image to the coordinates of the original image, so that the image is scaled normally. When panning is enabled, shapes or text added in the image cannot be resized or repositioned. To do this, you can subscribe to the MouseLeftButtonDown event of RadImageEditor and calculate the coordinates based on the mouse position, the image size and the control's size. Login to your Patagames Software Support Forum forum account,or Register a new forum account. if (e.LeftButton != MouseButtonState.Pressed) Below are some potential methods of getting mouse position, I have not been able to move the image to "point" location. Wanna join the discussion?! Scientifically plausible way to sink a landmass. Pembroke Park, FL33023

mouseXY = position; How APIs can take the pain out of legacy system headaches (Ep. , private bool mouseDown; { { { //Create a TransformGroup collection, set up a key Key, and add functions required for zooming and moving. Golang Go Hello World, [golang] go into go language lesson 1 Hello World. When we look at pictures, we often like to take the mouse to place the focus of the picture as the origin. Announcing the Stacks Editor Beta release! These icons help in increasing of the level gradually. Edited by userWednesday, November 7, 2018 11:37:38 PM(UTC) The program also supports the use of scroll wheels to zoom images. Have a black image the size of the window, and have an opacity mask element that is a circle shape that looks through the black layer to the content below.

You can also zoom an image using the mouse wheel. Event when the mouse is released, stop capturing the mouse position. if (transform.ScaleX + delta <0.1) return; TranslateTransform: A function to perform translation. Can a timeseries with a clear trend be considered stationary? If a question is poorly phrased then either ask for clarification, ignore it, or. If the picture moves, Then the user zooms the picture at the moved position, for example, by, times, this operation will also move the origin (black point) to the final picture position. TransformGroup.Inverse can convert the coordinates on the transformed picture to the coordinates on the original picture. An unknown error has occurred. 465), Design patterns for asynchronous API communication. Keep moving mouse cursor while pointing somewhere. transform.ScaleX += delta; var img = sender as ContentControl; Sarasota, FL34231 javaweb Image upload tomcat Redeployment The picture disappears, jQuery Realize the effect of moving the mouse over the element to dynamically prompt the message box, C# chart, About how to move the mouse to Series Display nodes and data when you go up To be updated , vue After the code is uploaded to the server, the background image 404 resolvent, Allegro In the solution of the mouse on the line network name The problem that the length of the wiring can't be displayed, WPF Get the position of the mouse relative to the desktop in, iOS - Mac Apache WebDav Server configuration, Nginx Directory access problem of reverse proxy, Qt + CURL + mimetic Send E-mail With accessories , javascript Advance 8 and JSON, Ruffian scale embedded Freescale Kinetis series MCU Develop those things - Indexes, Visual fineBI It's very tall Easy to use , Simple operation , Just drag on , charge I can only look at other people's demo Website http://demo.finebi.com/webroot/decision#directory. at this time. }, private void DowheelZoom(TransformGroup group, Point point ,double delta) var transform = group.Children[0] as ScaleTransform; transform1.X = -1 * ((pointToContent.X * transform.ScaleX)-point.X); Provide an answer or move on to the next question. It can be used for a game or an app where you find it appropriate to use. pointToContent = group.Inverse.Transform(point). Note that the original picture should be the picture on the bottom right of the picture below, not the one on the left, It seems to be a bit troublesome to convert, but, , which can convert the coordinates of the transformed picture to the coordinates of the original picture. return; Connect and share knowledge within a single location that is structured and easy to search. Assume that the coordinates of the black dot are (, ) When running the program, the user first moves the square to the left position. "Can't find transform group from image compare panel resource", "Oops, ImageCompareResources is removed from current control's resouce". { C++centos7C++, C++Makefile, C++, C++6C++. Run time increase Font size and move label with mouse draging. Sum of Convergent Series for Problem Like Schrdingers Cat. [obsolete]How to insert image at the mouse click position in WPF Pdf Viewer? Because zooming in the picture is actually moving each pixel of the original picture to a new position (red dot).

{ At this time, the coordinates of the new origin (red dot) should be (. if (img == null) mouseXY = e.GetPosition(img); So the use of algorithms can bridge the gap. 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 }, private void IMG1_MouseLeftButtonUp(object sender, MouseButtonEventArgs e) At first glance, it may not be difficult to implement this function. To reset the zoom level, click the ResetZoom icon, which is placed at the left of the DecreaseZoom icon. For example, the box at the bottom right of the figure below is a, The black dot inside is the origin of the pre-scaling. How did this note help previous owner of this old film camera? How to limit a WPF window's move/resize to desktop boundaries. ), the space of two adjacent pixels Use interpolation method to fill. Do you need your, CodeProject, Prevent blurring of moving and zoomed pictures. if (transform.ScaleX + delta <0.1) return; When we look at pictures, we often like to take the mouse to place the focus of the picture as the origin. img.ReleaseMouseCapture(); { This kind of transformation of coordinates looks troublesome, in fact WPF has provided us with functions. However, please note that the original picture I am talking about refers to the picture before it is moved. When panning is enabled, shapes and tests cannot be selected. Find centralized, trusted content and collaborate around the technologies you use most. See Trademarks for appropriate markings. var position = e.GetPosition(img); Please try again.

transform.X-= mouseXY.X- position.X; Domousemove(img, e); C + + number, string and char * conversion, C + + Learning -- capacity() and resize() in C + +, C + + Learning -- about code performance optimization, HALCON 20.11, HALCON 20.11, Solution of QT creator's automatic replenishment slowing down, Halcon 20.11: how to deal with the quality problem of calibration assistant, Halcon 20.11: precautions for use of calibration assistant, |50, "Top ten scientific and technological issues" announced| Young scientists 50 forum, Remember the bug encountered in reading and writing a file, N C++ . interface through autocad window docking action code wpf inside 5404 Hoover Blvd Ste 14 var transform1 = group.Children[1] as TranslateTransform ; transform1.X = -1 *((pointToContent.X * transform.ScaleX)-point.X); transform1.Y = -1 *((pointToContent.Y * transform.ScaleY)-point.Y); The following code can be used to illustrate the meaning of the code above to capture the image zoom center. WPF Get the position of the mouse relative to the screen in. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. To enable all features please. This is a quick tutorial, basic guideline to how to create an app where an image can be programmed to follow the mouse movements within the Windows Form Application In Visual Studio using C# (sharp) programming language. At this time, the coordinates of the new origin (red dot) should be (20, 20), the space of two adjacent pixels Use interpolation method to fill. Of course, if you are familiar with graphics and linear algebra, in fact, the scaling and movement of the picture is to multiply the original picture by a matrix, and the. This circle moves with the mouse. Can climbing up a tree prevent a creature from being targeted with Magic Missile? drag treeview expand telerik wpf silverlight automatically cursor expanded expander node result move mouse items In the twin paradox or twins paradox what do the clocks of the twin and the distant star he visits show when he's at the star? Asking for help, clarification, or responding to other answers. Children is the scaling function. Sets with both additive and multiplicative gaps, mv fails with "No space left on device" when the destination has 31 GB of space remaining. This is simple enough. if (img == null) var point = e.GetPosition(img); Have a black png image that is 200% width & height of window with a hole in the center, then move the image with the mouse. Making statements based on opinion; back them up with references or personal experience. 4141 S Tamiami Trl Ste 23 At this time, the user intends to enlarge another area in the picture, and then enlarge it by one time (that is, enlarge to3times of the original picture ). < TransformGroup x : Key ="ImageCompareResources">, < ScrollViewer HorizontalScrollBarVisibility ="Disabled", VerticalScrollBarVisibility ="Disabled" Grid.Row ="0" Grid.Column ="0" x : Name ="MasterScrollViewer" Margin ="5" Background ="WhiteSmoke">, < ContentControl x : Name ="TestContentControl1", MouseLeftButtonDown ="MasterImage_MouseLeftButtonDown", MouseLeftButtonUp ="MasterImage_MouseLeftButtonUp", < Image RenderOptions.BitmapScalingMode ="NearestNeighbor", x : Name ="MasterImage" Source ="{ Binding Path =MasterImagePath}" Stretch ="Uniform", RenderTransform ="{ StaticResource ImageCompareResources }"/>, private void MasterImage_MouseWheel( object sender, MouseWheelEventArgs e). You can move the slider to increase the zoom level. In order to avoid this kind of jump change. }, private void Domousemove(ContentControl img, MouseEventArgs e) MouseMove="IMG1_MouseMove" The goal is to have a "flashlight" effect in my wpf game, to do this I have pursued 2 main options. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL).

You could use a Path element with a CombinedGeometry consisting of a very large RectangleGeometry and an excluded (and therefore transparent) EllipseGeometry, which is moved by changing its Center property on mouse input: Thanks for contributing an answer to Stack Overflow! edit:: Nevermind, the choppiness is when there is nothing beneath the transparent level. Hello, I have been trying to work this problem out for some time now, Based on the mouse wheel, delta images will be zoomed from the cursor position. To enable pan, click the pan icon in the top toolbar. You can specify the origin of the picture scaling by setting the values of CenterX and CenterY. } transform.ScaleY += delta; +1 (416) 849-8900. return; mouseDown = false; Draw a picture to explain. Chances are they have and don't get it. We had 3 guys working on this and none of us succeeded. if (img == null) { { var pointToContent =group.Inverse.Transform(point); var transform = group.Children[0] as ScaleTransform ; if (transform.ScaleX + delta <1) return ; This greatly reduces the jump in the picture. About ASP.net gridview column resizing at run time using mouse drag possible or not ? I'm starting with WPF so please try to understand my frustration I've spend last two evenings and night trying to get this working. I've based my solution on answers to this question, and I'm unable to remove that unwanted window (image near cursor). 1) Modify your OnMouseTouchDown handler to include assigning ContinueDragHandler to dragged item before starting the drag, like this, 2) I believe that creating a new window to display image next to a cursor is a dirty dirty hack. |Reason: Not specified, Edited by userThursday, May 25, 2017 8:30:31 PM(UTC) //Create a ScrollViewer container to add mouse events and pictures in the ContentControl, and set the transformation information of the picture RenderTransform as a static resource Imageview .RenderOptions.BitmapScalingMode="NearestNeighbor" optimizes the changing process of the picture. var group = IMG.FindResource("Imageview") as TransformGroup; Click to share on WhatsApp (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window), Moo ICT Project Based Tutorials - © 2022, C# Tutorial Top Down Car Racing Game with Visual Studio, C# Tutorial Create a simple PAC MAN game in Visual Studio, C# Tutorial - Create a simple platform game in visual studio, Create flappy bird game in Visual Studio using C#, C# Tutorial Create a Classic Snake Game in Visual Studio, C# Tutorial - Create a Zombie Survival Shooting Game in Visual Studio, WPF C# Tutorial - Create a space battle shooter game in Visual Studio, Unity 3D Tutorial - How to Drag and Drop Objects Using Touch Controls with C#, C# Tutorial - Create a T Rex Endless Runner Game in Visual Studio, C# Tutorial Create a Tic Tac Toe game and play against AI Opponent, C# Tutorial - How to make a Classic Snakes Game with Windows form and Visual Studio [Updated], Unity 3d Tutorial - Drag and Rotate Game Object with Touch Controls, C# Tutorial Make a Video Player App in Windows Form Application, C# Tutorial Play Multiple sound files in Windows Form Application, C# Tutorial Create a Picture Matching Game with .Net in Visual Studio, C# Tutorial Make a Binary Calculator Game in Windows Form Application and Visual Studio, C# Tutorial Make a Meme Maker App in Windows Form Application and Visual Studio. After zooming the picture, the zooming origin also changes. Why had climate change not been proven beyond doubt for so long? Zoom. }, RenderOptions.BitmapScalingMode="NearestNeighbor". The solution is of course to convert the position of the blue dot back to the position of the original picture. var img = sender as ContentControl; The blue dot in the picture below is assumed to be(50, 50), because no matter whether the picture is zoomed or not , The user will only judge the new zoom focus based on what he sees in the actual picture: If we blindly set the various properties ofScaleTransformto values similar to the following: The problem occurs becauseScaleX = 3means that the new image is3times the original image , but our origin is set on the2times image - the size of the original image is only40 x 40. How do I use WPF bindings with RelativeSource? How to resize the treeview in rightside only using mouse at runtime? This is unrelated question. If a creature's best food source was 4,000 feet above it, and only rarely fell from that height, how would it evolve to eat that food? The program also supports the use of scroll wheels to zoom images. { Zoom level ranges from 50 to 400 percents.

var transform = group.Children[1] as TranslateTransform; The solution is of course to convert the position of the blue dot back to the position of the original picture. It moves according to the value of XY. contact this location, Window Classics-Sarasota Starting with version 3.40.2704 this can be done much easier. , because no matter whether the picture is zoomed or not , The user will only judge the new zoom focus based on what he sees in the actual picture: . Let's implement this function in WPF. var img = sender as ContentControl; background mouseover menuitem change wpf xaml stack