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• Problem saving as png a SVG generated by Raphael JS in a canvas

  - by ClemDesm

  Hi fellow SOers, I'm trying to convert a SVG generated by Raphael JS (and the user, since you can drag and rotate the images). I followed this Conversion of SVG to Jpeg but still can't get it. It must be easy but I can't put my finger on what I get wrong. I got my svg in a div with #ec as id and the canvas's one is #canvas. function saveDaPicture(){ var img = document.getElementById('canvas').toDataURL("image/png"); $('body').append('<img src="'+img+'"/>'); } $('#save').click(function(){ var svg = $('#ec').html(); alert(svg); canvg('canvas', svg, {renderCallback: saveDaPicture(), ignoreMouse: true, ignoreAnimation: true}); }); The alert gives me : <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="600" height="512"> <desc>Created with Raphael</desc> <defs></defs> <image x="0" y="0" width="300" height="512" preserveAspectRatio="none" href="imageurl.jpg"></image> <rect x="168" y="275" width="52" height="70" r="0" rx="0" ry="0" fill="none" stroke="#000" stroke-dasharray="8,3" transform="rotate(21.91207728 194 310)" style="opacity: 1; display: none; " opacity="1"></rect> <circle cx="50" cy="50" r="50" fill="none" stroke="#000"></circle> <image x="358" y="10" width="39" height="138" preserveAspectRatio="none" href="imageurl2.png" style="cursor: move; "></image> <image x="397" y="10" width="99" height="153" preserveAspectRatio="none" href="imageurl3.png" style="cursor: move; "></image> <image x="184" y="286" width="10" height="10" preserveAspectRatio="none" href="imageurl4.png" style="cursor: pointer; opacity: 1; display: none; " opacity="1"></image> <image x="204" y="286" width="10" height="10" preserveAspectRatio="none" href="imageurl5.png" style="cursor: pointer; opacity: 1; display: none; " opacity="1"></image> <image x="170" y="277" width="48" height="66" preserveAspectRatio="none" href="imageurl6.png" style="cursor: move; opacity: 1; " r="50" opacity="1" transform="rotate(21.91207728 194 310)"></image> </svg> which is the xml of the svg and if I believe canvg documentation, it's good. Anyway, with this code, the variable img, which should have the converted image data, got the data of an empty png with the dimensions of the svg. The only thing I guess is that the svg generated by Raphael JS is not well formated for canvg (like, href of image should be xlink:href if I follow the W3C recommandations ) Anyone got an idea on this problem ? :D

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• Not reaction to pressing button

  - by Orange91

  I have a ring in primefaces: <h:form> <p:ring id="ring" value="#{ringBean.images}" var="image" styleClass="image-ring" easing="easeInOutBack"> <p:graphicImage value="./../../images/#{image.image}" width="150" height="150"/> <p:commandButton value="#{image.name}" action="#{image.action}" /> </p:ring> </h:form> My RingBean: @ManagedBean @RequestScoped public class RingBean implements Serializable{ private List<PersonImage> images; private PersonImage selectedPerson; public RingBean() { images = new ArrayList<PersonImage>(); images.add(new PersonImage("person3.png", "Pacjent", "patientList")); images.add(new PersonImage("person4.png", "Admin", "adminList")); images.add(new PersonImage("person5.png", "Lekarz", "doctorList")); images.add(new PersonImage("person6.png", "Sekretarka", "secretaryList")); images.add(new PersonImage("person7.png", "Nieaktywni", "inactiveList")); } public List<PersonImage> getImages() { return images; } public PersonImage getSelectedPerson() { return selectedPerson; } public void setSelectedPerson(PersonImage selectedPerson) { this.selectedPerson = selectedPerson; } } PersonImage class: public class PersonImage { String image; String name; String action; public PersonImage() { } public PersonImage(String image, String name, String action) { this.image = image; this.name = name; this.action = action; } public String getImage() { return image; } public void setImage(String image) { this.image = image; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getAction() { return action; } public void setAction(String action) { this.action = action; } } faces-config: <navigation-case> <from-outcome>adminList</from-outcome> <to-view-id>/protected/admin/adminList.xhtml</to-view-id> <redirect/> </navigation-case> <navigation-case> <from-outcome>doctorList</from-outcome> <to-view-id>/protected/admin/doctorList.xhtml</to-view-id> <redirect/> </navigation-case> <navigation-case> <from-outcome>patientList</from-outcome> <to-view-id>/protected/admin/patientList.xhtml</to-view-id> <redirect/> </navigation-case> <navigation-case> <from-outcome>secretaryList</from-outcome> <to-view-id>/protected/admin/secretaryList.xhtml</to-view-id> <redirect/> </navigation-case> When i pressed my button, not reaction. Why? I added the action in button: And in Ring I add: images.add(new PersonImage("person4.png", "Admin", "adminList")); action is adminList. Why this not work? When i changed in button: <p:commandButton value="#{image.name}" action="adminList" /> all work. Why? Both construction returned identical string.

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• android: how to align image in the horizontal center of an imageview?

  - by Yang

  I've tried all scaletype in gravity, but all of them result in the image to be at the left corner of the imageview. <ImageView android:id="@+id/image" android:scaleType="centerInside" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginRight="6dip" android:background="#0000" android:src="@drawable/icon1" />

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• How to draw onto a PictureBox image when control resizes?

  - by Sam Mackrill

  I am using the pictureBox_Paint event to try and draw an overlay onto the image in a PictureBox. This is working fine until I resize the PictureBox (set to use SizeMode.Zoom), when I do this the overlay graphic is drawn off position by the margin between the image and the edge of the PictureBox. I guess I need to use the ImageRectangle somehow but this is not public.

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• C# .NET How can I show an image on WebBrowser control?

  - by dmessf

  How can I show an image on a webbrowser control in C#/.NET? I'm doing something like webBrowser1.DocumentText = "<html><head></head><body><img src=imagelocationURL.html/></body></html>" but the image doesn't appear. What am I doing wrong?

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• how to convert bufferedImage to Image to display on JSP.

  - by nemade-vipin

  hello friends, I want to convert Buffered image to Image so that it will display on jsp page. please give the code.

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• JPEG-2000: Can I dynamically resize an image without resampling?

  - by Mark Harrison

  One of the nice features of JPEG 2000 is that it's easy to downres an image -- just feed out fewer bytes. Is there a similar way to scale the image, such that I could send a thumbnail using bytes in the full-size file, without resampling?

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• Does MS Access 2010 have Tif image control display issue?

  - by ChuckB

  We run MS Access as the front end for most of our business. When we upgraded from Access 2000 to Access 2003 the image control we used to print out Tif images failed to load Tifs anymore. A bit of Googling showed that MS did this intentionally and I'm wondering if the problem still happens in Access 2010. Can someone with a downloaded copy drop an image control on an Access 2010 form or report and try to get it to display a Tif file?

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• How to force TTPhotoViewController reload image URL in iPhone?

  - by Teerasej

  Hi, everyone. I feel good when I use Three20 framework to create a good iPhone application if you didn't try it before, just go here to try. but the I want your help me to force TTPhotoViewController to reload the image after it initialized. At the moment, it seems load the exist image before and didn't active to viewDidLoad. Could you help me? or give me any advice?

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• How can i display image in IE using base64 encoding method?

  - by Tushar Ahirrao

  Hi guys I want to display image using base64 encoding in IE using GWT If it is not possible can u please suggest me the alternate way except creating the image to serverside & sending URL to the client side Can u help me ?

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• how to save Image to Photos in iPhone without losing quality ?

  - by Naeim

  the quality of saved image will lose when i'm using this method ... UIImage *img=imageview1.image; UIImageWriteToSavedPhotosAlbum(img,nil,nil,nil);

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• matlab v.s. simulink in digital image processing?

  - by Ala ABUDEEB

  Hi is there anything i can do with code in matlab for digital image processing that i can't do with simulink's digital image processing toolbox or vice versa??? what difference is there between the two ? thank you

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• How do I stick an image to the bottom of the visible screen, and be centered?

  - by Shawn

  I have a website, and I need to have an image centered at the bottom of the visible page. So in any screen size, the image will still be at the bottom, and centered.

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• Why click event not work when I click a image at runtime?

  - by jin

  Now I am developing a Firefox extension , and when web page I want to create a image at runtime, now I can show the image , but When I click it to invoke a method , why it is not work? it is my code: var _img = doc.createElement("img"); _img.setAttribute("id", "floatImage"); _img.setAttribute("src", "abc.jpg"); _img.setAttribute("onclick", "clickimage()"); document.body.append(_img); function clickimage() { alert("click"); }

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• Should image/css/javascript references from HTML use relative or absolute paths?

  - by Peter Howe

  What are the pros and cons of referencing web assets using relative or absolute paths? For example: <link rel="StyleSheet" href="/css/mystylesheet.css" type="text/css" /> <img src="/images/myimage.gif" alt="My Image" /> vs. <link rel="StyleSheet" href="../css/mystylesheet.css" type="text/css" /> <img src="../images/myimage.gif" alt="My Image" />

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• How to load an image in active document? (Photoshop Scripting)

  - by tusay

  Hi, I am new to photoshop scripting. I want to load an image image (from my hard disk) into the active document as a new layer with positioning. How can this be done? Can somebody please share the code? Thanks

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• OpenXML SDK How to position an image in MS Word ?

  - by a b

  I did insert an image using the OpenXML SDK API .. however i can not figure out how to position the image to appear on any part of the page (probably using anything similar to (x,y) co-ordinates?

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• how to load an imageview with url of that image in android?

  - by androidbase Praveen

  for example i have an image's url: http://java.sogeti.nl/JavaBlog/wp-content/uploads/2009/04/android_icon_256.png i want to load this link image into my imageview in my project.how?

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• Anyone knws how to repaint another image ? C# windows mobile device to samsung omnia

  - by cheesebunz

  private void pictBoxUp_Click(object sender, EventArgs e) { label1.Text = "Up"; pictBoxUp.Image=System.Drawing.Bitmap("how do i select path for another image in my desktop"); } these are the codes i'm testing around

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• jquery adds a class to an image. Doesn't work in chrome.

  - by Catfish

  http://steph.net23.net/work.php here is my test link. This page has a jquery script in it that adds a class to the first image. This works in all browsers except Chrome. It's like it adds it and then the image disappears. Anybody know why?

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• jquery few images change to other image with fade effect.

  - by user313271

  I got one link, and few different images. When I press on this link, I want that this few images, change to other images with fade effect (every single image has its own image on a replacement), how can do it with jQuery or Javascript, or maybe there is some scripts :) Thank you in advance

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• How can I find the size of a ELF file/image with Header information?

  - by fasil

  I need to find the size of an elf image for some computation. I have tried with the readelf utility on linux which gives the informations about the headers and section. I need to have the exact file size of the elf(on the whole). How do I find the size of the ELF from the header information or Is there any other means to find the size of an elf without reading the full image.

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• Getting the dimensions of a remote image file without having to save it to the hard drive

  - by kaloyan

  I am looking for a way to get the dimensions of a remote image file without having to save it to the hard drive -- I am trying to skimp on the I/O requests. Basically something like PHP's getimagesize() function. I did try something like this: print Image.open(urllib2.urlopen(src)).size but PIL wants a file handle that has a seek() method. Any ideas?

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• Display progress bar while an image gallery is loading on django template.

  - by Vik

  I want to display a progress bar (or loading icon) while a image gallery is loading on django template. Image gallery is having a div in the template and for that div only the progress bar should appear. Please refer to http://www.openstudio.fr/jquery/ as I am using this gallery

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• How to make gridview show image transparent part correctly?

  - by flybirdtt

  A gridview has many imageviews to show images. The image has transparent padding. and These images in the gridview always show with white background. Actually. if i just use a imageview to this image. I can get the it correctly. So what the problem? and How to make it show correctly. Pls help me. Thanks

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