People, who has not attended my talks but stumbled upon my slides sometimes complains in passiveaggressive manner that my browser stats are wrong i have to tell you that all the browsers i am talking about are mobile. The most popular windows alternative is downthemall, which is both free and open source. You can load this data from an image file or create it programmatically. During those hacking session i came up with a general hack that can lead to a big increase in. Image download ii, firefox addon to batch download pictures. However most modern implementations use gpuaccelerated 2d. Cliche enables you to quickly and easily collect web images with powerful. There are many alternatives to bulk image downloader for windows if you are looking to replace it. Like marc weber pointed out to me you dont need to attache the array back to the image since youre only manipulating references to the array. When im done, i have to close the blue box every time i close firefox and thats annoying. I also describe some alternative ways to make sure it works on webkitbased browsers.
The site also includes various information on operation principles and explanations of technology applied by this oneofakind repair tool. For crossdomain images, as long as they can be properly displayed on the web page, they can be drawn using the drawimage api of canvas. Detects all images loaded on the current web page even if theyre nested iframes 2. Firefox is created by a global nonprofit dedicated to putting individuals in control online. Think of it as taking a screenshot of the hidden screen that is the canvas. Tricky issue logistics of savingloading canvas images. Performance of perpixel image access for the javascript. A new image object for the specified data, or nil if the method could not initialize the image from the specified data. It is not specifically intended to make imagedata the hub of conversion, but it is the appropriate format when the image pixel data needs to be read or modified. How do you save multiple images that are displayed on a web page in mozilla firefox. The most popular mac alternative is downthemall, which is both free and open source.
The getimagedata method returns an imagedata object that copies the pixel data for the specified rectangle on a canvas. Download all images get this extension for firefox enus. The memory grows during the while loop and is cleared by garbage collector after the function reaches its end. It seems that firefox does not allow you to use getimagedata. Even if you are so sure that certain features are supported on desktop, it may not be true for the mobile version. Generates imagedata from the contents of the canvas. Explain how to solve the crossdomain problem of canvas. Avoiding lost work, plumb firefoxs cache posted tuesday, august 8, 2006 by david evans this simple hotwo saved my hide last week when a few files got saved to zerolength files on an ftp server. I got a problem with the html5 element getimagedata im using wscratchpad for a scratch tool on a website and using the percentage function in wscratchpad to determine when to remove the overlay. Firefox os is frequently referred to by its code name and original name b2g. But if you want to go further and get the complete pixel information of the picture through the getimagedata method, you will mostly make mistakes.
The imagedata object represents a rectangle area of information and holds every pixel inside that rectangle every pixel in an imagedata object has fourelementarraylike value, the rgba values r. If you think this addon violates mozillas addon policies or has security or privacy issues, please report these issues to mozilla using this form please dont use this form to report bugs or request addon features. The canvasrenderingcontext2d method getimagedata of the canvas 2d api returns an imagedata object representing the underlying pixel data for a specified portion of the canvas. Mozilla brings firefox to augmented and virtual reality. A great perk of being a nexus 5 owner is that devs tend to commit resources to nexus devices first, meaning we have the ability to try out fun stuff like experimental new roms. The imagedata object is not a picture, it specifies a part rectangle on the canvas, and holds information of every pixel inside that rectangle. You are reading the pixel data within a 2 x 2 rectangle. Get firefox for windows, macos, linux, android and ios today. Will firefox support mac os sierras picture in picture feature any time soon. Canvas picture getimagedata crossorigin crossdomain problem.
How do i resize firefox window in mac os x and have it stay smaller than the screen. Security researcher nils reported a useafterfree in nsimageloadingcontent when content script is executed. Download all images from any web page youre on with this highly customizable extension. This article explains how to download and install firefox on a mac.
Seems that the real problem you are facing is not memory leak, you are overflowing the memory. This is the function i am using for the image load. Finds images in links, background scripts, and css files. Safari, chrome and firefox all have a lot going for them, and are constantly. One alternative solution would be to add an asynchronous getimagedata method to the 2d context. Gecko, html, css, layout, dom, scripts, images, networking, etc. Fast image blocker lets you block all images, and visual elements. This conversion can be turned off in firefox but its not consistent between browsers.
I see a lot of people in windows with file extensions turned off and in the past a lot of mac users with more than a few images that. Hi, you can use todataurl to convert canvas to image. This plugin will remain useful for older browsers and for getting any image without restrictions, e. How to develop a html5 image uploader mozilla hacks. Whenever you need to access save images, you can do it through the firefox tools menu button on the toolbar, or from the context menu. Bulk image downloader is not available for mac but there are plenty of alternatives that runs on macos with similar functionality. Why does firefox mount a drive when i start firefox in mac os x 10.
To get the image data for each pixel of a rectangular area on the canvas, we can get the image data object with the getimagedata method of the canvas context and then access the pixel data from the data property. According to the app description, the easy yet powerful web image collector for the mac. Then you should be able to resize the firefox window with the left mouse button held down e. It turned out that doing such a thing was pretty tricky, because the capability wasnt fully implemented in firefox 1. Cross domain getimagedata work around and jquery plugin betamaxgetimagedata. Firefox may be returning the correct data in getimagedata, but chrome seems to process the alpha state of the original and change the values from their original raw data. For instructions to install firefox on windows, see how to download and install firefox on windows. You can specify images in any format supported by the system, but it. I want to encode some json as rbg values in a png file and read the values in javascript once the image is loaded. Bulk image downloader guide to download all images from.
The process of flashing refers to writing the roms to the device to update the operating system to a different version. The getimagedata function returns retrieve a set of pixel data from the canvas. You can rightclick every single one of them and select save image as from the context menu. Issues with web page layout probably go here, while firefox user interface issues belong in the firefox product. The files we use to flash the device are referred to as images, roms or builds. Some websites are added by default, but you can add or remove items at any time. If that doesnt suit you, our users have ranked 29 alternatives to bulk image downloader and many of them are available for windows so hopefully you can find a suitable replacement. You probably already know by now that a custom android rom can change your user experience and give you what feels like a new os on your device, and theres no shortage of them out there to try out. But its a tremendous amount of code to do a simple operation that is sometimes needed.
Shared components used by firefox and other mozilla software, including handling of web content. Notes since firefox 5, getimagedata now correctly accepts rectangles that extend beyond the bounds of the canvas. So far youve seen chrome and firefox extensions, windows programs, but now its time to mention a web app as a bulk image downloader. Why does firefox mount a drive every time it opens in mac. This plugin will remain useful for older browsers and for getting any image without. You can use setexifdata unregistered forever, with a batch processing limit of only 5 photos a time. I am trying have a horizontal navigation menu without bullet points.
This method is not affected by the canvass transformation matrix. Filters images by file size, dimension, url, or type jpeg, png, bmp, or gif 3. For every pixel in an imagedata object there are four pieces of. How to convert canvas to image on safari browser quora. If that doesnt suit you, our users have ranked 29 alternatives to bulk image downloader and 15 are available for mac so hopefully you can find a suitable replacement. Each pixel in the image data contains four components, a red, green, blue, and alpha component. You can allow a page to show images by adding it to the whitelist. However, the return value, pixel will be a onedimentional array of 16 2 2 4 pixels, with each pixel requiring 4 spaces in the array to store colour and alpha values. This was an incredibly close group test, and it just goes to show how competitive the browser landscape is on mac. If the specified rectangle extends outside the bounds. If you are updating from a previous version of firefox, see update firefox to the latest release.
431 52 266 702 825 1043 1016 534 1228 861 1093 885 1056 1237 953 502 1461 309 23 1325 773 511 305 675 847 938 579 267 966 590 1225 434 407 576 410 747 1453 835 1109 1223 700 384