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  • Fast Remote PHP Technique To Detect Image 404

    - by Volomike
    What PHP script technique runs the fastest in detecting if a remote image does not exist before I include the image? I mean, I don't want to download all the bytes of the remote image -- just enough to detect if it exists. And while on the subject but with just a slight deviation, I'd like to download just enough bytes to determine a JPEG's width and height information. Speed is very important in my concern here on this system design I'm working on.

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  • php gd image quality

    - by apueee
    I 'm trying to add text on a specific image. Its working perfectly but the quality of image is low especially for papyrus.ttf font. How can i improve the quality of text in the image. But i need high quality to print the output. Here is my code.. its very simple. header("Content-Type: image/jpeg"); $im = imagecreatefromjpeg("cosmos.jpg"); $black = ImageColorAllocate($im, 0, 0, 0); Imagettftext($im, 14, 0, 10, 15, $black, 'papyrus.ttf', "Corey and Lisa "); Imagettftext($im, 14, 0, 10, 35, $black, 'papyrus.ttf', " 1994, june"); Imagejpeg($im, '', 100); ImageDestroy($im); Download: http://wneeds.com/gdtest.zip

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  • SSRS Broken Embedded Image

    - by CodeGrue
    I have a SQL Server Reporting Services report with an embedded image in the header. It works fine in preview mode and if I inspect the RDL file, it has the encoded image stream in there. However, when I deploy the report to the server and view the report in the Report Manager, the image shows with a broken X icon. Has anyone experienced this?

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  • Django resizing an image pre save using PIL

    - by Ed
    Ugh, I hate having to ask a question on such a common feature, but. . . I'm using an ImageField in a form to upload a photo to S3. I want to resize the image before it is uploaded to S3. I'm trying to use PIL to test the dimensions and resize if necessary. The Image.open() part is throwing me though. It wants a filepath, and the ImageField from the form is only returning the actual file and filename. How can I resize the image before it's saved to S3? Before we get to this point, I'm not using sorl because I believe sorl is compatible with models using ImageFields. But the model associated with the saved S3 images holds just the url of the image on S3 as opposed to using ImageFields.

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  • Image Processing: What are occlusions?

    - by vikramtheone
    Hi Guys, I'm developing an image processing project and I come across the word occlusion in many scientific papers, what do occlusions mean in the context of image processing? The dictionary is only giving a general definition. Can anyone describe them using an image as a context? Vikram

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  • Real time complex raster image morphing in Flash CS4

    - by cosmorocket
    Is there a way to load an image from some url or a local folder and then make some complex morphing to it in real time? For example, I have a vector animated pseudo 3D paper in my project that, for example, is being flipped different ways. Then I want to place some image inside that paper box and want to morph that image accordingly to the box form changes or at least make it look more realistically, not exactly the same as the paper box. Thanks.

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  • CSS vertical centering split background image not overlapping

    - by user295292
    is it possible to split 2 images vertically and when resizing the browser, it wont overlap but stay vertically centered? can the left image stay fixed so the right side of it won't cut off(overlap) this is what i have now, but when resizing the browser smaller, it pushes the left image underneath the right. rather have the images cut off on the outer sides and never overlap each other in the middle, make sense? #wrapper { width:1680px; max-width:1680px; height:500px; margin: 0 auto; } #left-image { width: 50%; position:absolute; left: auto; height:500px; } #right-image { width: 50%; position:absolute; right: 0px; height:500px; }

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  • Change iPhone UISlider bar image.

    - by Fogmeister
    Hi everyone! My first question on stackoverflow! I'm using a UISlider in my app but I'd like to use a custom "look-and-feel" for it. I have changed the thumb to my own image but is there a way to change the bar also? I have a bar image I would like to use but can't see how to do this. I have found how to change the max and min image but not the bar itself. Thanks Oliver

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  • CSS vertcial centering split background image not overlapping

    - by user295292
    is it possible to split 2 images vertically and when resizing the browser, it wont overlap but stay vertically centered? can the left image stay fixed so the right side of it won't cut off(overlap) this is what i have now, but when resizing the browser smaller, it pushes the left image underneath the right. rather have the images cut off on the outer sides and never overlap each other in the middle, make sense? wrapper { width:1680px; max-width:1680px; height:500px; margin: 0 auto; } left-image { width: 50%; position:absolute; left: auto; height:500px; } right-image { width: 50%; position:absolute; right: 0px; height:500px; }

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  • Change NSButton Background Image more than once per second

    - by beta
    I am currently working with the iPhone SDK. I have a NSTimer that changes the background image of a NSButton. Once this is complete, it will trigger the same action again (reset the NSTimer) for a predetermined number of times. My problem is that if my NSTimer is set to execute more than once per second. (0.75, say) The background image wont change. I am using NSLog to check that the event fires. But the button image will just remain in its original state. Is there any way to change the background image more often than once per second? Thanks.

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  • scanned image in C#

    - by ahmed fouad
    We wanna a c# solution to correct the scanned image becouse it is rotated and to solve this problem we must detect the rotation angle first then rotate the image.this was our first thinking for our problem then we think image warping will be more accurate as i think it will make the scanned image like our template so we can process it as we know all the coordinates of our template ....... i search for a free SDK or a free solution in c# and helping me in this will be graet work as it is the last task in our working. rally thanxxxx for all.

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  • No WIFI or LAN on Ubuntu 12.04 or 12.10 Live CD/USB using Toshiba qosmio x870

    - by Mighty
    I recently had issues with secure boot and couldn't boot the Live CD/USB but after disabling secure boot, I was able to 'TRY UBUNTU'. My currently problem is that I can't access WIFI or LAN from either Ubuntu 12.04 or 12.10 Live CD/USB which I do from Windows 8. Also, the wireless button is able to turn on and off the wireless LED but doesn't find available WIFI. Please, what should I do to get both WIFI and LAN working on Ubuntu using Toshiba qosmio x870? UPDATED: Here's the output of lspci: ubuntu@ubuntu:~$ lspci 00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04) 00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4) 00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4) 00:1c.4 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 5 (rev c4) 00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation HM76 Express Chipset LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1213 (rev a1) 07:00.0 Ethernet controller: Atheros Communications Inc. AR8161 Gigabit Ethernet (rev 10) 08:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8723 09:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)

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  • TCPDF remote image loading problem

    - by Leonard Austin
    Hi, Im trying to load a remote image into a pdf generated by tcpdf however I can't seem to get it to work? The rest of the pdf loads fine and it looks like to trying to retrieve the image however it just does print to the page? The code I am using is: $pdf->Image("http://media.domain.com/logo.jpg", 0, 0, 100, 150, 'JPEG', '', 'T', true, 72,'','','','','','',''); Any help on this would be a massive help, Thanks,

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  • Google App Engine Python: get image upload size server-side

    - by goggin13
    I am building a Google App Engine App that lets users upload images; I have everything working fine, but I am struggling to find a way to ensure that the user does not upload an image too large (because I am resizing the images, so this crashes my python script). When a user uploads a large image, I get this error RequestTooLargeError: The request to API call images.Transform() was too large. I know that there is a size limitation on what GAE allows for it's image API, I am just trying to find a way to deal with this server side; something along the lines of if (image is too large): inform user else: proceed I haven't had any luck finding the right python code to do this; can anyone help me out?

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  • opencv image conversion from rgb to hsv

    - by kaushalyjain
    When I run this following code on a sample image ie an rgb image; and then execute it to display the converted hsv image, both appear to be different... can anyone explain why? or can you suggest a solution for this not to happen... coz its the same image afterall Mat img_hsv,img_rgb,red_blob,blue_blob; img_rgb = imread("pic.png",1); cvtColor(img_rgb,img_hsv,CV_RGB2HSV); namedWindow("win1", CV_WINDOW_AUTOSIZE); imshow("win1", img_hsv);

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  • How to know coordinates in a real image from a scaled image.

    - by ocell
    Hi folks, First of all thanks for your time reading my question :-) I have an original image (w': 2124, h': 3204) and the same image scaled (w: 512, h: 768). The ratio for width is 4.14 (rw) and the ratio for height is 4.17 (rh). I'm trying to know the coordinates (x', y') in the original image when I receive the coordinates in the scaled image (x, y). I'm using the formula: x' = x * rw and y' = y * rh. But when I'm painting a line, or a rectangle always appears a shift that is incremented when x or y is higher. Please anybody knows how to transform coordinates without loosing of accuracy. Thanks in advance! Oscar.

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  • Image manipulation with JQuery and PHP

    - by robertdd
    I want to do some kind of image editor, after I upload more images I want to make a list with all the thumbnails! After, I want to be able to click on one thumb and rotate, duplicate, drag and drop (to change positions of the images), and delete the image. I want all the images to be in a php array. If an image is deleted I want to delete the row from array too. If a image is drag-and-dropped I want to change the position in the array too. Ok, after the user uploads all the images and modifies some of them, how can I make a DONE button to save the positions of the images? For this small project how do you suggest I save the images? (to make a table in mysql and store the names of the images in the database depending on the session id? depending on the IP?) Any suggestions are welcome!

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  • Image auto resize to fit div container.

    - by Khou
    How does do you auto resize a large image to fit a smaller width div container? Example can be seen here on stackoverflow.com - when an image is inserted onto the editor panel and it is too large for display, the image is automatically resized.

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  • Scala in image procesing

    - by Mayank Sinha
    I am new to scala and keep on researching and compiling programs , But i am more interested in Image processing in scala. Iam doing project in eclipse environment from http://www.scala-lang.org/download/2.11.0-M5.html but i couldn't find any resource to do image processing in scala . please provide me all information i.e How to install image processing package till manuals of the package to read and write image. I have tried Maven ,jmagic,opencv ,javacv etc but couldn't succeeded. Please reply with in hours my job is at stake. Mayank

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  • Highlight image borders with Ajax request.

    - by Tek
    First, some visualization of the code. I have the following images that are dynamically generated from jquery. They're made upon user request: <img id="i13133" src="someimage.jpg" /> <img id="i13232" src="someimage1.jpg" /> <img id="i14432" src="someimage2.jpg" /> <img id="i16432" src="someimage3.jpg" /> <img id="i18422" src="someimage4.jpg" /> I have an AJAX loop that repeats every 15 seconds using jQuery and it contains the following code: Note: The if statement is inside the Ajax loop. Where imgId is the requested ID from the Ajax call. //Passes the IDs retrieved from Ajax, if the IDs exist on the page the animation is triggered. if ( $('#i' + imgId ).length ) { var pickimage = '#i' + imgId; var stop = false; function highlight(pickimage) { $(pickimage).animate({color: "yellow"}, 1000, function () { $(pickimage ).animate({color: "black"}, 1000, function () { if (!stop) highlight(pickimage); }); }); } // Start the loop highlight(pickimage); } It works great, even with multiple images. But I had originally used this with one image. The problem is I need an interrupt. Something like: $(img).click(function () { stop = true; }); There's two problems: 1.)This obviously stops all animations. I can't wrap my head around how I could write something that only stops the animation of the image that's clicked. 2.)The Ajax retrieves IDs, sometimes those IDs appear more than once every few minutes, which means it would repeat the animations on top of each other if the image exists. I could use some help figuring out how to detect if an animation is already running on an image, and do nothing if the animation is already triggered on an image.

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  • getting part of an image with javascript

    - by Alper
    Hi all, i want to ask that, is it possible to show any part of image in img tag (with pixels) via Javascript. I mean, i'll prepare a big image (e.g. 32x320 pixels) and i'll define starting position (X,Y , e.g. 0,32) and width/height (e.g. 32,32), so script will show second (32x32 pixel) part of main image.. I hope i can explain. Thanks right now..

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  • Image Resizing: Poor jpeg quality and black PNG backgrounds

    - by azz0r
    Hello, I have two issues with my class, basically the quality of the jpeg images is quite poor, but I'm not sure if thats down to my ratio resizing. Ideally I'd like this class to be strict with image sizes and crop into them, but I cant get my head around it. My main issue is that pngs always have a black bg, does anyone have experience with this happening? <?php class OpenSource_ImageResize { function __construct($theFile, $toWhere, $mime, $extension, $newWidth, $newHeight) { if ($mime == NULL) { $mime = getimagesize($theFile); $mime = $mime['mime']; } if ($mime == 'image/jpeg') { $size = getimagesize($theFile); if ($size[0] > $newWidth || $size[1] > $newHeight) { $sourceImage = imagecreatefromjpeg($theFile); } else { return copy($theFile, $toWhere); throw new exception('Could not create jpeg'); return false; } } else if ($mime == 'image/png') { $size = getimagesize($theFile); if ($size[0] > $newWidth || $size[1] > $newHeight) { $sourceImage = imagecreatefrompng($theFile); } else { return copy($theFile, $toWhere); //throw new exception('Could not create png'); return false; } } else if ($mime == 'image/gif') { $size = getimagesize($theFile); if ($size[0] > $newWidth || $size[1] > $newHeight) { $sourceImage = imagecreatefromgif ($theFile); } else { return copy($theFile, $toWhere); //throw new exception('Could not create gif'); return false; } } else { throw new exception('Not a valid mime type'); return false; } $oldX = imageSX($sourceImage); $oldY = imageSY($sourceImage); if ($newWidth == NULL) { $thumbHeight = $newHeight; $thumbWidth = round($newHeight/($oldY/$oldX)); } else if ($oldX > $oldY) { $thumbWidth = $newWidth; $thumbHeight = $oldY * ($newHeight/$oldX); } if ($oldX < $oldY) { $thumbWidth = round($newHeight/($oldY/$oldX)); $thumbHeight = $newHeight; } if ($oldX == $oldY) { $thumbWidth = $newWidth; $thumbHeight = $newHeight; } if (!gd_info()) { $dstImage = ImageCreate($thumbWidth, $thumbHeight); imagecopyresized($dstImage, $sourceImage, 0, 0, 0, 0, $thumbWidth, $thumbHeight, $oldX, $oldY); } else { $dstImage = ImageCreateTrueColor($thumbWidth, $thumbHeight); imagecopyresampled($dstImage, $sourceImage, 0, 0, 0, 0, $thumbWidth, $thumbHeight, $oldX, $oldY); } if ($mime == 'image/png') { $xparent = imagecolorresolvealpha($dstImage, 255,2,240, 0) ; imagecolortransparent($dstImage,$xparent); imagealphablending($dstImage,true); imagepng($dstImage, $toWhere); } else if ($mime == 'image/jpeg') { imagejpeg($dstImage, $toWhere); } else if ($mime == 'image/gif') { imagegif ($dstImage, $toWhere); } imagedestroy($dstImage); imagedestroy($sourceImage); return true; } }

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