Rotating Images Using WIA?

Apr 23, 2009

I am trying to allow the user to rotate a jpeg and I know that you can do it pixel by pixel but WIA 2.0 is supposed to have that functionality built into it... When I try to set the filter, exactly like they do in the example.



VS 2010 Rotating An Images, No Rotateflip?

Jan 29, 2012

I need to rotate a picture box with about 35 degrees. now I tried this

PictureBox1.CreateGraphics.TranslateTransform(64.0F, 64.0F)
PictureBox1.CreateGraphics.DrawImage(sword, (-sword.Width 2), -sword.Height 2)

But it doesn't seem to work Does someone know how to do this

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Rotating An Array Of Objects?

May 15, 2011

I have two methods in a class for placing and rotating an array of objects(Pieces) on a  Board.pieces have a bounding rectangle and a property called center that is the center point of the rectangle(piece).what i want is to rotate all the pieces in clockwise or counterclockwise direction ,depending on the mouse direction,when the mousebutton is down on any of the pieces other than the center piece and the mouse moves.can anyone modify my code below to achieve this or post some new code that does this. using the rotatepiece()  method below  in a timerevent with a buttondown event to start the timerrotates all the pieces in clockwise or counterclockwise direction. 

Shared PosArray(18) As PointF
Shared Increment As Double
'place pieces in rows [order 3-4-5-4-3]


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Rotating Answer Came From Database?

Apr 8, 2010

i am going to create one system which is related to test skill and it is in VB.Net and access database it has a question and four answer. both are coming from database,my problem is how do i change answer sequence everytime.whenever user tried for the test, answer sequence should be different.

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Rotating Image In Picturebox?

May 23, 2010

So far:


but this only turns at 90, 180, and 270 degree angles, also allowing flipping, but isn't exactly what I am after. I am trying to make the picture spin randomly at a variety of angles, but even if I can only get 45 degrees is better than just having 90 degree ones.

However I have only been able to find the above example in my searches.

I am trying to solve the issue that I posted about in the game programming forum about the animated dice. It seems that this is a very difficult thing to achieve, so I am going at this in an obscure way. My idea behind this is to have a timer set the images in a picture box according to random counters (which I have working). Then I plan on making the image rotate along with the timer (which is where I am at now). Then I plan on having the picture box move across the screen along with the timer (bouncing off the sides)...I think that this might be a bit better when trying to achieve an "authentic rolling dice" without actually having to do everything in 3d.

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Rotating Specific Objects With GDI+?

May 9, 2011

I'd like to rotate only one of the shapes in an animation, but the rotatetransform method applies this rotation to the whole view. I have several shapes which I want to remain stationary, and just one that should be rotated. I've been trying to use containers but so far this hasn't helped. This is visual basic on XP, using .net gdi+, system.drawing. I'm using translatetransform to establish a rotation center.

Private Sub ellipse()
myBuffer.Graphics.TranslateTransform(200, 400)
If plus_clicked Then


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Jul 7, 2009

Can we display pictures in a cubical box and make it rotating on screen using vb express 2008?

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Apr 16, 2012

I had an assignment that I had done, which has been turned in, I was able to get it to graph, but it when it reaches the right side of the screen it drops off, when it is is adjusted using the velleman controls it jumps back up, hw would I fix this.

Here are the instructon for the assignment:

Write a program tat rads two analog inputs from a velleman board and plots the values on a rotating graph.  The number of value plotted horizontally should be specified in a text box.  Label the graphs vertical values in at least three places.  Print the current voltage reading for each input in it's own lable.  The graph should auto scale to fille the graph vertically and horizontally.

The two things that I couldn't get to work is the graph drops off the chart and I was unable to place the vertical values in three places.

Here is my code:

'Date: April 10, 2012
'Progammer:  Cathy Hjelm
'Progam:  wk8-1


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How To Make A Small Image Rotating

Jun 8, 2011

I want to make a small logo in the upper corner of a Form rotate.

I've seen on some forums that they have small avatars dancing and such, so I imagine it would be posible to make a tiny image rotate by it self up in the corner in a Form.

Does anyone know how to do this? Link to tutorial, codesnippets etc..

Ps. The goal is to make it smooth. Not turn 4 x 90 degrees.

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How To Make A Small Image Rotating?

Jun 8, 2011

How to make a small image rotating

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Jun 18, 2009

I'd like to be able to graphically represent a position in a 3D graph and be able to rotate the grid to match a certain perspective. I've looked for tutorials online, but they all mention how to import or create common file types. I don't want or need to do this. I just need to know where to begin. I have the DirectX SDK, but I'm not sure where to start with it and need some direction.

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Rotating An Image Inside A Picturebox?

Apr 22, 2011

i have a game in which i move my character (the picturebox) using the keys W, S, A, do i rotate the image inside the picturebox to where it always follows the cursor?

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VS 2008 Rotating Buttons In A Panel?

Oct 24, 2009

I have a panel in my form and 5 buttons. All the buttons are docked to the top. Also in the panel I have a treeview ctl that is set to fill. What I am trying to accomplish is when you push one of the buttons the remainder move to the bottom and the treeview ctl fills between the buttons.

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Wpf - Rotating A Rectangle Gives Very Messy Results?

Jun 25, 2012

i use this process to rotate a rect of 4 borders as corners in wpf:

'find the center
Dim center As New Point(((topRight.Margin.Left - topLeft.Margin.Left) / 2) + topLeft.Margin.Left,
((topLeft.Margin.Top - bottomLeft.Margin.Top) / 2) + bottomLeft.Margin.Top)


but i get very messy results?

edit1: i changed the getRotatedPoint function to doubles, and added a radian to degree conversion.

edit2: corrected radian conversion function.

edit3: corrected the center coords, but still some offsetting happens.

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Jan 24, 2011

First I am using 'Microsoft Visual Studio 2010' and am making a 'windoms forms application'. I am wishing to implement a way of changing the text colour through out the whole application. I have managed to put on a customisable background using



I know I'll have to change the 'BackColor' bit but I don't know what to. Is there something that turns all text on the form one colour or do I have to do it label by label?

Also I am can't figure out how to rotate labels to display text at a 60 degree angle (to display along the edge of an equilateral triangle) And for the triangle I have drawn it using lines which move independently from each other, is there anyway to 'group' these lines together so they are fixed.

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Jun 18, 2010

I would like to display a rotating logo animation in my application. I want it to be blend with the background.

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Jan 8, 2009

PictureBox1.CreateGraphics.FillRectangle(Brushes.Yellow, 0, 0, 5, 10)
But rotated 30 degrees? Is this possible and i am not very good at math and all other


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Aug 6, 2008

In VB2005 GDI+, it's not too difficult to get zooming and panning working together, or rotating and panning. But I am finding it very difficult to get all three functions working in coordinatioin. The code below is the nearest I have reached so far. It's a working example on a standard Windows Form, but please supply your own image. The user can drag the image with the left mouse button, and toggle wheel zooming or rotating by tapping the space bar. Both zooming and rotating work. But the stationary centre of zooming or rotating (marked by a red cross in the example) remains relative to the image.

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Apr 16, 2011

I am trying to make a random shift scheduling application for a rotating workforce that must satisfy the following basic requirements: 3 shifts (8 hours each) per day (Morning, Afternoon, Night), 2 workers per shift work a maximum of 7 consecutive days and rest a minimum 1 day. 9 Total workers separate in 5 supervisors and 4 operators, and 2 part time workers (1 supervisor and 1 operator) for covering the possible absences of 9 standard workers. Total days off are 8 days per month (normal sequence 2,2,4) and the vacation days are 22 per year. A basic rule is that the shift must cover from 2 supervisors, or 1 supervisor and 1 operator. 2 operators are forbidden.

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Aug 20, 2011

I have to create an image that is to mimic a single clock rotating hand within a square area,and the user has to choose the width and speed of the rotation and the direction.i managed to create the square area with a hand inside,with this codes and variables,

(Dim Mygraphics As graphics =
mygrqaphics.Draw Rectangle(pens.color x1,x2,y1,y2)

mygraphics draw line(pens.color,x1,x2,y1,y2),now i have to find codes and variables to rotate the hand or line within a square point remaining constant the other moving.

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Can Folder Of Images / Let User Navigate Back And Forth Through Images Using Couple Of Buttons

Jun 4, 2011

The idea is to scan a folder of images and then let the user navigate back and forth through the images using a couple of buttons.The problem is, I can only get it to return a single image, and not the whole lot. It's looks to me as though the images are getting assigned to the same index in the array. [code]

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Oct 3, 2010

What type of connector do i need to actually save the Map data like point of the images (x,y coordinate) into the database . and then retrieve it to show on the page in and how do i go about doing it.

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Feb 11, 2009

The app i am working on is for creating theme for the iPod touch... It has to deal with LOTS of images (100's potentially) There will be the set of default images, and then the user created replacement images. I started loading all the defaults into a resx file... thinking then I could just pull them out. now that I started setting the default, this sucks! lol the app will do this, on load it will set all the images (variables) to the resx images then when a theme is loaded, it will replace the default with the user image (if the user img exists) otherwise, the default stays. Then the "screen" is drawn to show the user. so, here is just the images to build the wallpaper, dock, and status bar...


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Aug 12, 2010

I was thinking to make an app to save images [or download images] to local hard disk. But to keep it easy, I want this app to create a small picturebox on form to show the thumbnail of downloaded image. Lets say a 5 pictureboxes has to be added with the thumbnails to show the recent downloads. A user can save the location where he wants to save the files on hard disk. A listbox or a dropdown menu will help in categorizing the images, like image1 in friends section, image2 in family section, image3 in others, etc... When the program restarts all the latest 5 thumbnails has to be loaded in pictureboxes and the directory that was chosen. Finally, a button that shows the downloaded images into original image file size one by one or a slide show. Is it possible to make such program?

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Sep 20, 2011

I am developing a visual basic 2008 express edtion program of an organisation that should get images from the system and display on image/picture box. further the program should save the displayed image in access database so that it can be retrieved together when you want to search the information about that particular employee.

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can we use images in the resource folder as background images by setting the background image during run-time by coding?

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Aug 4, 2010

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Jun 28, 2010

I have placed several PictureBox Images of different colored dots(which represent lights) on an image of a Christmas Tree.  I can make the lights randomly flash using a randomGenerator and a Select case statement.  However, the code is very long.  There are 67 lights on this tree and the code is 71 pages long.  There has to be an easier way to do this.   So far I have tried the following with two images of lights just to see if it would work and it does not work:

Dim picLight(2) As
For intX


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Dec 14, 2011

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Mar 31, 2012

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E.g. My dll has 100 pictures of houses. When the person looks for "white" I should be able to look through my tags for white houses as soon as possible. And at any point, if I wanted to, refer to the images programatically (that part shouldn't be a problem). So the only problem is tagging, what is the easiest/requires least amount of code to be written for?

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How would I turn single images into animated gifs and vice versa? Is there an existing library for such a thing?

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