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2-1. ãƒªã‚µã‚¤ã‚ºå‡¦ç† Â Figure 2. Mobile Safariã«ã‚ˆã‚‹ç”»åƒã‚¢ãƒƒãƒ—ãƒãƒ¼ãƒ‰ç”»é¢ 最終æˆæžœã®ç”»åƒãƒ‡ãƒ¼ã‚¿ã‚’ã€ã‚µãƒ¼ãƒãƒ¼ã‚µã‚¤ãƒ‰APIã«POSTã™ã‚‹ã“ã¨ãŒã‚´ãƒ¼ãƒ«ã§ã‚る。Androidã«ãŠã„ã¦ã€XMLHttpRequestã§Blobをリクエストã«è¨å®šã—ã¦ã‚‚空ã®ãƒœãƒ‡ã‚£ã§é€ä¿¡ã•ã‚Œã‚‹å•é¡ŒãŒã¿ã‚‰ã‚Œã‚‹ãŸã‚ã€ä»Šå›žã¯Base64 encoded DataURIã¨ã—ã¦POSTã™ã‚‹ã“ã¨ã«ã—ã¦ã„る。 2-1-1. 基本実装 Æ’ 今回ã®ãƒªã‚µã‚¤ã‚ºå‡¦ç†ã§ã¯ã€Canvasè¦ç´ ã¨File APIを利用ã™ã‚‹ã€‚基本方é‡ã¨ã—ã¦ã¯ã€inputtype='file'ã®changeイベントã‹ã‚‰ã€Fileオブジェクトをå–å¾—ã—ã€ãれを一度Canvasã«æ›¸ã出ã™ã“ã¨ã§ãƒªã‚µã‚¤ã‚ºã‚’試ã¿ã‚‹ã€‚最終的ã«ã¯ã€canvas.toDataURL() ã«ã‚ˆã£ã¦DataURIã‚’å–å¾—ã™ã‚‹ã€‚ 下記ã«ã€åŸºæœ¬å®Ÿè£…ã®ã‚µãƒ³ãƒ—ルを示ã™ã€‚( http://co
The picture element  | web.dev
The picture element Stay organized with collections Save and categorize content based on your preferences. The previous module demonstrated how the srcset attribute allows you to provide different-sized versions of the same image. The browser can then decide which is the right version to use. If you want to change the image completely, you'll need the picture element. In the same way that srcset b
Compressor.io - optimize and compress JPEG photos and PNG images
Fast & efficient imagecompressionOptimize JPEG, PNG, SVG, GIF and WEBP
PSD Viewing & Diffing
AI & MLLearn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry. Generative AILearn how to build with generative AI. GitHub CopilotChange how you work with GitHub Copilot. LLMsEverything developers need to know about LLMs. Machine learningMachine learning tips, tricks, and best practices. How AI code generation worksExplore the capabilities and be
ç”»åƒã®æœ€é©åŒ–ã‚’CLIã ã‘ã§è¡Œã†grunt-imageを作ã£ãŸ | 1000ch.net
GUIè¦ã‚‰ãšã‚’目指ã—㦠Webã«ãŠã‘ã‚‹ç”»åƒã«ã¤ã„ã¦ã¯ä»¥å‰è¨˜äº‹ã«ã—ã¾ã—ãŸãŒã€ ãã®ãƒ•ãƒãƒ¼ã‚’より良ãã™ã‚‹ã¹ã最近gruntã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’作ã£ãŸã®ã§ãã®è©±ã‚’。 å‰ç½®ã ç§ã¯å¼Šç¤¾ã‚µãƒ¼ãƒ“スã®ãƒ‘フォーマンス改善をæ¥å‹™ã¨ã—ã¦ã—ã¦ã„ã¾ã™ã€‚ 何ãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã«ãªã£ã¦ã„ã‚‹ã‹ã¯å„プãƒã‚¸ã‚§ã‚¯ãƒˆã§ã¾ã¡ã¾ã¡ã§ã™ãŒã€ 共通ã—ã¦ã„ã‚‹ã®ãŒ 「ã¨ã«ã‹ãç”»åƒãŒå¤šã„〠ã¨ã„ã†ã¨ã“ã‚。 ã©ã®ã‚µãƒ¼ãƒ“スもペイãƒãƒ¼ãƒ‰ã‚µã‚¤ã‚ºã®80%程を画åƒãŒå ã‚ã¦ã„ã‚‹ã‚“ã§ã™ã。 ç”»åƒã®æœ€é©åŒ–を忘れるã ã‘ã§ï¼ˆä¾‹ãˆã°ï¼‰100KBã¨ã‹å¹³æ°—ã§å¢—ãˆã‚‹ã®ã§ã€ ã“ã‚Œã§ã¯CSSã‚„JavaScriptã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚µã‚¤ã‚ºã‚’減らã—ã¦ã‚‚本末転倒ã§ã™ã€‚ （もã¡ã‚ã‚“CSSã‚‚JavaScriptã‚‚çµåˆã¨åœ§ç¸®ã¯éžå¸¸ã«é‡è¦ã§ã™ã€‚） å„種最é©åŒ–ツール GUIã ã¨ä»¥ä¸‹ã®3ã¤ãŒæœ‰åã§å„ªç§€ã§ã™ã€‚ ImageAlpha - フリーソフト。24bitã®PNGã®8bitコンãƒãƒ¼ãƒˆã‚’è¡Œã†ã€‚256色~2色ã¾
Fast load times  | web.dev
Web performance is a crucial aspect of web development that focuses on the speed at which pages load, as well as how responsive they are to user input. When you optimize your website for performance, you're giving users a better experience. The initial release of this course focuses on web performance fundamentals, that beginners should find informative. Each module aims to demonstrate key perform
CSS Image Orientation Lands in Firefox 26 - Psychic Core Dump
It’s never been easier to share your digital photos on the web, thanks to modern smartphones and digital cameras. For web developers, however, dealing with user-generated digital images can be far from simple. A significant mismatch exists between the web, where the orientation of an image is determined by how its pixels are stored, and digital photography, which increasingly relies on metadata to
GyazoライクãªGIFスクリーンã‚ャスト共有ツール「Gifzoã€ã‚’リリースã—ã¾ã—㟠- 海峡
Gyazoã®ã‚ˆã†ã«ç”»é¢ã®ã‚¹ã‚¯ãƒªãƒ¼ãƒ³ã‚ャストをGIFアニメã§æ’®ã‚Œã‚‹ãƒ„ール「Gifzoã€ã‚’リリースã—ã¾ã—ãŸã€‚ Gifzo Gifzoã¨ã¯ Gifzo from Kazato Sugimoto on Vimeo. Gifzoã¯å®‡å®™ä¸€ç°¡å˜ã«ã‚¹ã‚¯ãƒªãƒ¼ãƒ³ã‚ャストを共有ã§ãるサービスã§ã™ã€‚ç”»é¢ã®ã‚ャプãƒãƒ£å‹•ç”»ã‚’GIFアニメã§è¶…ç°¡å˜ã«å…±æœ‰ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ç”»é¢é ˜åŸŸã‚’é¸æŠžã—ã¦éŒ²ç”»ã™ã‚‹ã¨è‡ªå‹•çš„ã«å‹•ç”»ãŒã‚¢ãƒƒãƒ—ãƒãƒ¼ãƒ‰ã•ã‚Œã¦ã€æ’®ã£ãŸç”»åƒã®ãƒšãƒ¼ã‚¸ãŒãƒ–ラウザã«è‡ªå‹•çš„ã«è¡¨ç¤ºã•ã‚Œã¾ã™ã€‚Gyazoã¨ä¼¼ãŸæ“作感ã§ã¨ã¦ã‚‚シンプルã«ä½¿ã†ã“ã¨ãŒã§ãã¾ã™ã€‚ Gifzoã§ã§ãã‚‹ã“㨠Gifzoを使ãˆã°ã€ç”»é¢ä¸Šã®"å‹•ã"ã‚’ã¨ã¦ã‚‚ç°¡å˜ã«å…±æœ‰ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚Webサイトã®éŒ²ç”»ã€UIã®å‹•ä½œã®å…±æœ‰ã€ã‚¢ãƒ‹ãƒ¡ã®ã‚ャプãƒãƒ£ãªã©æ§˜ã€…ãªç”¨é€”ã§ä½¿ã†ã“ã¨ãŒã§ãã¾ã™ã€‚ ã¾ãŸã€Gifzoã§ã¯ã§ãã‚‹ã ã‘画質をè½ã¨ã•ãªã„よã†ã«ç”»åƒã‚’圧縮ã™ã‚‹ãŸã‚ã€ç¶ºéº—ã§ä½Žå®¹é‡ãª
altã¯ã¤ã‘ã‚‹ã ã‘ã˜ã‚ƒãªã㦠- 実践アクセシブルHTML 第一回
ã“ã®è¨˜äº‹ã¯ã€2003å¹´6月17日発売ã®æŠ€è¡“評論社「Web Site Design Vol.8ã€ã§ã®é€£è¼‰è¨˜äº‹ã€Œå®Ÿè·µã‚¢ã‚¯ã‚»ã‚·ãƒ–ルHTMLã€ç¬¬1回ã®å…ƒåŽŸç¨¿ã‚’ã€è‘—者自身ãŒå…¬é–‹ã—ã¦ã„ã‚‹ã‚‚ã®ã§ã™ã€‚ ç”»åƒã«alt属性を よã「画åƒã«ã¯alt属性をã¤ã‘ã¾ã—ょã†ã€ã¨ã„ã†ãƒ•ãƒ¬ãƒ¼ã‚ºã‚’耳ã«ã™ã‚‹ã‹ã¨æ€ã„ã¾ã™ãŒã€ã“ã‚Œã¯ã‚µã‚¤ãƒˆã®ã‚¢ã‚¯ã‚»ã‚·ãƒ“リティ改善ã«ãŠã‘る対応ã®ã†ã¡ã€ã‚‚ã£ã¨ã‚‚メジャーãªã‚‚ã®ã§ã‚ã‚‹ã¨ã„ãˆã¾ã™ã€‚WAIã®ã‚¢ã‚¯ã‚»ã‚·ãƒ“リティガイドラインã§ã‚ã‚‹WCAG1.0ã«ã¯ã€Œãƒ†ãƒ¼ãƒ–ルをレイアウトã«ä½¿ã£ã¦ã¯ã„ã‘ã¾ã›ã‚“ã€ã¨ã„ã†ã‚ˆã†ãªå†…容ã®é …目もã‚ã‚Šã¾ã™ãŒã€ã“ã‚Œã«å¯¾ã—ã¦ã€Œã‚ˆã£ã—ゃã€ãƒ†ãƒ¼ãƒ–ルを使ã†ã®ã‚’ã‚„ã‚よã†ã€ã¨ã‚ã£ã•ã‚Šã¨æ±ºæ–ã—ã¦ã‚µãƒƒã‚¯ãƒªã¨ãã®ã‚ˆã†ã«ä½œã‚Šå¤‰ãˆã‚‹ã“ã¨ãªã©ã€ã»ã¨ã‚“ã©ã®ã‚µã‚¤ãƒˆã«ãŠã„ã¦ç„¡èŒ¶ãªè©±ã§ã—ょã†ã€‚ã—ã‹ã—「ã™ã¹ã¦ã®ç”»åƒã«alt属性をã¤ã‘よã†ã€ã¨ã„ã†ã®ã¯ã‚¢ã‚¯ã‚»ã‚·ãƒ“リティã®å¯¾å¿œè¦ä»¶ã«å¿…ãšã¨ã„ã£ã¦è‰¯ã„ã»ã©å«ã¾ã‚Œã¾ã™ã€‚ã“ã‚Œãªã‚‰ã€ãŸ
Data URIs make CSS sprites obsolete - Human Who Codes
Posted at July 6, 2010 by Nicholas C. Zakas Tags: CSS, CSS Sprites, Data URI I was sitting in a talk given by Facebook’s Jason Sobel at Velocity this year, when I was a bit surprised by an impassioned plea that he made at the tail end of the talk. To paraphrase, Jason said that CSS sprites require too much work for average web developers and that we should be pressuring the browser vendors to make
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レスãƒãƒ³ã‚·ãƒ–Webデザインを実装ã™ã‚‹éš›ã€ç”»åƒã®æ‰±ã„ã¯ä¸€ã¤ã®èª²é¡Œã¨ã—ã¦æ®‹ã£ã¦ã„ã¾ã™ã€‚ç¾åœ¨ã€PHPを使用ã—ãŸã€ŒAdaptive Imagesã€ã‚„JavaScriptを使ã£ãŸã€ŒResponsive-Imagesã€ãªã©ãŒç¾å®Ÿçš„ãªå¯¾å¿œç–ã¨ã—ã¦ã‚ã‚Šã¾ã™ãŒã€ã©ã¡ã‚‰ã‚‚Apacheã®è¨å®šã‚’å¿…è¦ã¨ã—ã¾ã™ã€‚レスãƒãƒ³ã‚·ãƒ–WebデザインãŒåºƒã¾ã£ã¦æ¨™æº–çš„ãªå®Ÿè£…方法ã®ä¸€ã¤ã«ãªã‚ã†ã¨ã—ã¦ã„る今ã€ã‚µãƒ¼ãƒã‚µã‚¤ãƒ‰æŠ€è¡“ã«ä¾å˜ã—ãªã„解決ç–ãŒæ—©æ€¥ã«æ±‚ã‚られã¦ã„ã¾ã™ã€‚ ãã‚“ãªä¸ã€HTMLã®ä»•æ§˜ç–定ã®ä¸€ç«¯ã‚’æ‹…ã†WHATWG（Web Hypertext Application Technology Working Group – ワットダブルジーã¨èªã‚€ï¼‰ã§ã€æ–°ãŸãªä»•æ§˜ãŒæ¤œè¨Žã•ã‚Œã¦ã„ã¾ã™ã€‚ ã§ã¯ã€ã©ã‚“ãªè°è«–ãŒã•ã‚Œã¦ã„ã¦ã€ä»Šã©ã‚“ãªçŠ¶æ³ãªã®ã‹ï¼Ÿ ãªã‹ãªã‹è¤‡é›‘ãªã“ã¨ã«ãªã£ã¦ã„るよã†ãªã®ã§ã€èª¿ã¹ã¦ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ ※ã“ã®è¨˜äº‹ã¯ã€ãƒ¬ã‚¹ãƒãƒ³ã‚·ãƒ–Web
ImageOptim — better Save for Web
ImageOptim makes images load faster Removes bloated metadata. Saves disk space & bandwidth by compressing images without losing quality. Faster web pages and apps Reduces image file sizes — so they take up less disk space and downÂload faster — by applying advanced compression that preserves quality. Image files scrubbed clean Removes invisible junk: private EXIF metaÂdata from digital cameras, em
Saving images and files in localStorage – Mozilla Hacks - the Web developer blog
Thanks! Please check your inbox to confirm your subscription. If you haven’t previously confirmed a subscription to a Mozilla-related newsletter you may have to do so. Please check your inbox or your spam filter for an email from us. Andrea Gimmarchi Sorry guys, but I think this post is misleading. We don’t even have control over localStorage size and you guys are suggesting to store files in an o
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GitHub - sauspiel/rework-sass-images: Sass/Compass image size functions written in JavaScript as a Rework plugin
https://design-spice.com/2012/06/13/responsive-web-design-image/
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