.net - Zooming In Picturebox But With Same Resolution?
Jun 29, 2011
I have a picturebox with zooming/pan capabilities. I am now starting with the zoom. I did that by:
getting the mousescroll event( up or down)
add height and width to the picturebox
get the pixel coordinates of mouse inside the image.
my problem is that, when i change the size of the picturebox, the pixel coordinates in the picture is not the same with the previous image without zoom. I need the coordinates to be the same even the picture is zoomed.
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Sep 12, 2009
i need to add zooming option for picture box with C#
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Mar 23, 2011
i have a question to do with vb.net. i have a picturebox with zooming capabilities. but i want the zoom button to zoom a certain percentage with each click. for example:
1st click zoom image(1.5)
2nd click zoom image(2)
3rd click zoom image (2.5)
[code]....
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Nov 6, 2010
I have a trackbar in my application where somebody can zoom in and out from a picture.
I can now zoom in with this code under the Value changed event of the Trackbar:
Private Sub TrackBar1_ValueChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TrackBar1.ValueChanged
''Dim scalefactor As SizeF
[Code]....
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Sep 20, 2011
I've been trying to get zoom capabilities on this
Public Class Form1
Private m_PanStartPoint As Point
Private Sub Form1_Load(ByVal sender As System.Object, _
ByVal e As System.EventArgs) _
[code]....
I can drag the whole panel around and scroll thru the picture but some of my images are quite large in length, is there any way for me to add zoom in or out capabilities to this code? tried adding a couple of button on my panel for "Zoom in" and "Zoom Out" but no functionality, sorry for the syntax i deleted the code before this post trying to do it from memory, after i double clicked the button it gave me the
private sub handles button click
private sub handles button click
then
[code]....
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Jan 13, 2012
I'm trying to make a picture viewer, with which users can see the actual size and fit screen size of the picture. They can also zoom in and zoom out and control the view with scroll box. If its not possible by picture box then what other control should I use?
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Jun 13, 2011
how can i zoom an image inside a picturebox? and i also want to know how can i make a picture inside the picturebox draggable while at the same time, it can be zoomed in and out.
my goal is to crop an image inside the picturebox and i can zoom and drag the image inside if necessary
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Jan 5, 2011
I managed to combine two .png images into one, and then display the result in a pictureBox image.However, the pictureBox seems to scale up my image! Makes it bigger!The pictureBox size is 96x128. The two images I have combined are 96x128. The pictureBox's SizeMode is set to "Normal"I have noticed that even though the pictureBox's image seems to be zoomed, it is cut to keep the 96x128 rect. But I don't want it to be zoomed...
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Feb 6, 2010
I've found an example of what I'm trying to do. The form will have 2 picture boxes. The first will be the original image. The second will have the zoomed image. Once I move my mouse over the first image, it must display a zoomed image in picturebox 2. I've attached the code that I found (written in C#) of what I'm trying to do. I've converted the code for me to VB. I want my first picturebox to be smaller than my second one. And the attached example shows that the first picturebox is bigger than the second one. I've never tried something like this, or drawing images etc. Just resize the 1st picturebox to be smaller that the second one, move with your mouse over the first one, and will see what I mean. I don't want to click on the image to have it zoomed or use the mouse wheel. Just want to hover over the image and display the zoomed version..
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Dec 5, 2009
How to get list of all resolution of client monitor and check with resolution passed by application
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Oct 2, 2009
1. Is there anyway to make an application look as though it has been set to a screen resolution of 1024 x 768 when the true resolution different?
2. I am developing my app using a widescreen monitor. What dimensions does the form need to be set to so that it looks exactly the same on a normal & widescreen monitor?
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Oct 22, 2007
I am working on an program and I need it to change the size on the form and the button etc when its ran on a different resolution then it was coded on. Is there anyway to do this easy or do I have to hard code it on two different and change it by like a button etc? I am working with a 1024 X 780 and a 1240 X 1024.
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Jan 10, 2011
I have a very high screen resolution on my laptop: 1400x1050.My colleague tried it out on his laptop (which had lesser resolution), and the application did not fit on his laptop. The buttons were dragging out of the screen space.So, I want my application to automatically resize/adjust based upon the screen resolution.I don't want to use Maximized screen option and don't want to change user's pc settings.Unfortunatly I am not using Table Layout panel.
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Dec 29, 2010
In my application,I placed the user control on a panel,I want to resize that control on a panel automatically according to different screen resolution.
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Jun 18, 2012
Can we set the windows form resolution according to pc screen resolution and even the control should be adjusted...
eg.
My screen resolution is 1366 X 768
and my form size is 1254, 709....but I want it so set according to the screen and it will be dynamic...
if I transfer my project to some other pc with lower or higher resolution it should be adjusted....
and suppose I have few controls on the form...will that also be adjusted??
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Dec 20, 2010
I had designed all forms on 1280/800 screen resolution.
i want set all forms resolution like the current screen resolution of the user,or make the form resolution is dynamic with each resolution of screen for
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Mar 4, 2011
i was trying a painting applicaion in which i am trying Zooming and editing.it means after zooming i will edit or draw the some thing in the canvas.i i am able to do that but th problem is scalling. here i ma using the translate transform to zooming.
after zooming if i draw somthing my mouse positions are not correct.
[Code]...
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Apr 3, 2012
I have a picture box control on a form that displays an image that I draw. I create a bitmap (oBM) using the picture box's ClientSize width and height. Then I create a graphics object to draw on... OutputDevice = Graphics.FromImage(oBM)
[Code]...
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Jan 9, 2012
I'm experimenting with the various graphics, bitmap and image functions of vb.net 2010, with the aim of being able to create an image processing tutorial program for my Physics AS group. Currently, I'm trying to zoom in to an image so that individual pixels are clearly visible. The below code shows what I'm doing.
My problem is that the zoomed in image always comes out blurred; the individual square pixels are not visible. I presume this is because as the DrawImage method resizes the image, it re-samples the image in some way. Is there a way of resizing the image while retaining the pixels as in the original image, so that individual pixels are visible? I've tried several other methods, including drawing to a picturebox control and then resizing the picturebox with the size mode set to zoom or stretch... this results in the same blurred image.
[Code]...
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Aug 31, 2011
I need serious advice here please. I use Visual Basic Graphics Programming by Rod Stephens as a reference, and I have visited his site vb-helper.com to try some of his tutorials. I tried the scribble application and it's working out fine (you can download the snippet from his site).
What I have trouble with is zooming in. I am not sure where to start. I would like to zoom in to x2, x3 and etc. of the bitmap I am working on and I would like to be able to continue to edit the bitmap. This would mean that I have a larger pixel brush under the mouse cursor, to lay down pixels. So a x2 zoom would mean a 2 x 2 pixel.
Has someone done this. Do you have a reference I can use for this. This kind of editing is standard in almost every paint package. Even Microsoft Paint, but there is not too much basic information on how it fits together in code for vb .net. So I am looking for someone to point me in the right direction. As I said, I am using the scribble application as a base, so here is the link. [URL]..
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Dec 16, 2011
In my vb.net project, I use zedgraph to draw figures. I find that the following properties work well to zoom figure on the center of mouse.
[Code]...
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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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Sep 11, 2009
Im making a simple image editor and I added Zooming and Drawing with mouse position like a pencil. My problem is When I zoom the image and try to draw on it, everything becomes offset and the lines i drew are not even close to the mouse. Here is My code ( Just add a button1 and Picturebox1 with an image)
Public Class Form1
Dim pen1 As Pen
Dim x1, y1, x2, y2 As Integer
Dim gr As Graphics
[code]....
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Jan 27, 2010
when adding picture to dynamic picturebox from my.resources in .dll a duplicate semi functional picturebox is added too, behind the picturebox i intended to add. has anyone seen this happening before or can provide any insight into this?
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Jul 17, 2010
In VB6 I used some pattern of programming..I passed the picturebox as parameter to some procedure in some class and inside this procedure paint all needed graphics using this class methods.Now I want upgrade my application to vb.netBut all samples for line drawing show me how to draw inside paint event.[code]
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Mar 31, 2010
I have a PaintEventHandler connected to a picturebox via AddHandler.
In PaintEventHandler I have coded this for writing the drawing to PictureBox1.Image:
Dim PictureBox1 As PictureBox = CType(sender, PictureBox)
PictureBox1.Image = New Bitmap(PictureBox1.Width, PictureBox1.Height)
Dim bmp As Image = PictureBox1.Image
Dim g As Graphics = Graphics.FromImage(bmp)
... drawing something ...
PictureBox1.Image = bmp
Everything works fine but after running through the paint event handler and showing the picture on the screen it calls the painthandler again and again. It does not stop.
Replacing the code above with
Dim g As Graphics = e.Graphics
Makes it running. But then I cant save the Image to a file.
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Sep 27, 2009
I have a program I'm working on that, for one of the features, allows the user to drag an image from a picturebox, into the main form space, anywhere they want. [code]...
When trying to drag the image from the CurrentTilePicBox, the very moment I move the mouse while dragging the cursor becomes a circle with a cross and won't drag and drop into the new picturebox.
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Jan 14, 2010
Hey I am making a GDI++ game in vb.net. Now what I want is the monster(picturebox) to go after the player(picturebox). There Are No Vertical Walls. Only The Edge of map barriers. For example to get to the player the AI would have to go to the end of the ledge and either jump off and fall to the lower ledge or take the ladder down. There is no jumping, only falling and going up and down ladders and across the horizontal ledges. So How Can I make this pathfinding system?
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Feb 28, 2012
I have a panel, which contaisn two Pictures.When the panel is mousehover the Pictures appears. When the panel is mouseleave the Pictures disappears.However, when I'm trying to pass the mouse between the Picturebox and Panel, the Picturebox disappears, because the panel doesn't detect that as panel area.
Private Sub Panel_MouseHover(ByVal sender As Object, ByVal e As System.EventArgs) Handles Panel.MouseHover
Me.NextIMG.Visible = True
Me.PrevIMG.Visible = True
End Sub
Private Sub Panel_MouseLeave(ByVal sender As Object, ByVal e As System.EventArgs) Handles Panel.MouseLeave
Me.NextIMG.Visible = False
Me.PrevIMG.Visible = False
[code].....
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Feb 28, 2009
My app has scrolling images in the background and a picturebox on top. The image in the picturebox has transparent parts. How can It so that the transparent parts show whatever is belo the picture box, not the form background? I have tried taking screenshots and positioning them as background but this just freezes the app.
Dim ScreenSize As Size = New Size(154, 83)
Dim screenGrab As New Bitmap(154, 83)
Dim blank As New Bitmap(100, 300)
[CODE]...
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