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| 【轉貼】圖片副檔名的介紹 https://pim0110.com/bb3/viewtopic.php?f=15&t=315 |
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| 發表人: | pptpimokok [ 2009-09-24, 10:06 ] |
| 文章主題 : | 【轉貼】圖片副檔名的介紹 |
圖片副檔名的介紹 【轉貼】 非本人原創 若有版權侵害煩請告知 謝 BMP 拜微軟之賜，幾乎可以說是最基本、通用的圖檔格式了。沒有什麼特異功能， 最大的優點就是在PC上相容度一流，就算不裝任何秀圖軟體， 用Windows的小畫家一樣可以看喔。 JPG 可以把檔案減到最小的格式，支援不同程度的壓縮比，您可以視情況調整壓縮倍率， 壓縮比越大，品質就越低；相反地，壓縮比越小，品質就越好；不過要注意的一點是， 這種壓縮法屬於失真型壓縮，檔案的壓縮會使得影像品質下降。 現在在WWW上常常被應用，已經是家喻戶曉的東東了。 GIF 跟JPG一樣，為WWW的常客，只支援256色而且檔案量比JPG大得多，但是卻身懷絕技， 可以使用透明色，而且可以把好幾張圖串成動畫檔。凡是WWW上有透明的、會動的， 大概都是這傢伙。製作上需軟體支援才能製作，否則做出來就只是普通圖檔了， 算是圖檔格式中比較另類的一個。 PCX 現在已經比較少用了，但是在遊戲上的應用還是相當普遍。儲存之後的檔案不算挺小， 但是有趣的是，PCX圖檔用壓縮程式壓縮時，壓縮倍率可大得很， 可以壓得很小很小，BMP、EPS圖檔也有相同特性喔。 TIF TIF圖檔可說是做平面設計上最常使用到的，因為是屬於跨平台（PC&MAC）的格式， 交換性佳。而且支援ＣＭＹＫ色，故常用於印刷，輸出的場合。 檔案還可以包選取區的資訊，可用於圖檔的去背。此外還有一個特色就是支援LZW壓縮， 屬於不失真壓縮，也就是說不管怎麼壓縮，圖檔的品質都還能保持原來的水準。 TGA TGA圖檔的格式是來自視訊編輯（合成）用的，最大的特點為支援α層， 也就是在圖檔中可以保留選取區的紀錄，這種特點的最大好處就是可以做出不規則形狀的圖檔， 一般圖檔皆為四方形，若您需要有圓形、菱形甚至是縷空的圖檔時，TGA可能就會派上用場了！ TGA同樣也支援壓縮，也是屬於不失真的壓縮。 PSD 如果您常用PhotoShop卻沒見過什麼PSD檔的話，那就該打屁股了！ PSD即為PhotoShop專用檔的格式，這種格式可就炫了！它支援色層、遮罩、色頻、選取區， 所有PhotoShop可以處理的屬性，它幾乎都能儲存，這樣全方位的儲存如果運用 UFO Ulead PhotoImapct的專用檔，檔名看起來很炫吧！致力於追上Adobe的友立科技， 同樣也發展出跟PSD類似的圖檔格式，能夠完整紀錄所有PhotoImapct所處理過的屬性， 不過在紀錄原理上則有些不同，UFO以物件來代替色層。可是仔細想想， 這好像也沒有什麼好大驚小怪的，畢竟兩套軟體的使用概念本來就不同嘛！ RIF 這是Painter的原生檔，處理方式和前面兩套大同小異，都可以儲存相當多的屬性資料。 附帶一提的是，Painter可以開啟PSD檔案，而且經過Painter處理過的PSD檔案 再叫回Photoshop一樣通用。這樣您就可以利用同一檔案在PhotoShop和Painter中交換使用了。 不過有關於mask以及path的資訊還是會被轉換屬性，請注意。 CDR 這是CorelDraw的專用檔，由於CorelDraw是向量軟體，所以CDR可以記錄的資料量可以說是千奇百怪， 各物件的屬性、位置、分頁通通可以儲存，以便日後修改，在相容度上， 目前好像沒有幾套軟體可以開啟CDR的檔案，然而這也是向量軟體的通病，至於為什麼，請看這裡。 AI AI檔為Adobe公司所制定的檔案規格，以前是給illustrator使用，因為歷史悠久， 逐漸形成為向量圖檔的共通格式。AI檔最大特色就是不花俏，沒有一些特別屬性的紀錄， 如分頁...等，事實上，老老實實地紀錄也就是相容度的絕對保證。 EPS 常跑輸出中心一定知道啥是EPS，向量圖可以轉成EPS，點陣圖也可以轉成EPS。 如果沒錯的話，EPS檔案可以同時存有點陣以及向量兩筆資料並加上一個index的影像， 故專門印用於印前作業，如排版等用途，所以一般送輸出時皆用EPS檔案， 不過向量資料型態的EPS寫檔、讀檔都相當地慢，這是比較可惜的地方。 PNG PNG是在1 October 1996由PNG向W3C (World Wide Web Consortium) 提出並得到推薦認可的多媒體圖形格式. 相對於目前網路及PC上使用的常見圖檔 如BMP(未壓縮,檔案大), GIF(非破壞壓縮,但只能存256色以下圖檔), JPG(破壞性 壓縮, 壓縮後的圖檔與原圖不同)...PNG提供了一個將圖形檔案大小壓縮到極限以 利網路傳輸,但又能保留所有與畫像品質有關資訊的解決方案. PNG利用了當時已 知的有效演算法來儲存圖形檔案中的資訊,讓電腦美術工作者可以用最小的空間 來儲存不失真的圖檔 |
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| 發表人: | HispNeste [ 2013-11-21, 13:53 ] |
| 文章主題 : | iphone 5 cases |
If you cant wait for Flash to come to fruition, or if clear transparent cases just dont do it for you personally, then take a look at OMG Led iPhone four Circumstances, that light up like a Christmas tree each time you get a whole new push notification. The Led iPhone 4 Scenarios come in a couple of diverse patterns, but these scenarios dont just rely around the LED flash to let you learn about a whole new notification, nope, they light up thanks to LEDs with the bottom in the case and some kind of optical fibers embedded directly into it. The situations truly pulsate brightly when theres exercise in your cell phone. And also the can be good to your iPhone you realize. A lot of people are no longer shopping for circumstances and pouches merely to protect their iPhone; we want a little something which we come to feel very good possessing. Considerably as possessing an iPhone versus a Blackberry or perhaps a HTC cell phone gives a statement about the type of individual you might be, you could possibly nonetheless wish to stand out through the developing iPhone crowd and declare an identity for on your own. 1 method to do that is definitely to personalize your iPhone by equipping it having a Led iPhone 4 Cases or pouch that represents who you're. You may go for that cutesy cartoonish ones, the no-nonsense businessman kind or the geeky tetchy style its all up to you to possess Led iPhone 4 Instances or you can pick out another . Positive, audible alerts are great and all, and yes, vibrating alerts is usually helpful as well. But what if your mobile phone is across the room so you dont need to hear or come to feel it going off, but see it as an alternative? Apple has you covered, letting you make your Led iPhone 4 Cases serve as an alert indicator. Heres how. It sound severe but it is genuinely a great solution to make you're feeling your cellphone and don't miss any cellphone or any message from it. It truly is really practical do you feel so? To Personalize Your Iphone By Equipping With Led Iphone four Apple iPhone Other Smart Cellphones Protective Feather Soft Pouch Bag Circumstances Source from: Inside the market place the neat can certainly hold your iPhone 4S or 4 harmless and in fashion. It includes LED products, which could be linked for the charge slot so it may flash once you unlock your telephone. These cases are supper amazing. With build-in LED flasher, this case can light up whenever you unlock your iPhone or obtain a call. Quite a few designs can be found now. Love it at our shop now! why do you take into consideration about this so much time, you must make your phone attractive and protected from now on, to ensure that to personalize your iPhone by equipping with Led iPhone 4 Instances. |
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| 發表人: | HispNeste [ 2013-12-08, 17:34 ] |
| 文章主題 : | iphone 4s cases |
If you purchased an extra battery in addition to all of your other HTC HD2 Accessories, its not a problem. Only take out the dead battery, pop in a fresh new battery, and test roadside help once more. When you keep a spare battery and keep it charged, youll by no means uncover yourself from power at an inconvenient time. As the old saying goes, far better to possess it and Replacement Stylus For iPhone in no way need to have it, than want it and never have it. With as dependent as individuals in todays society are on their mobile phones and units, more batteries are merely a intelligent investment in terms of accessory purchases. The capabilities and benefits of the new HTC HD2 are several. From a 5-Megapixel camera towards the 512MB of RAM, its like possessing all your important technology within your pocket. Nonetheless, as with any modern-day mobile phone, Accessories usually boost its usability. HTC HD2 Accessories are no unique. From cases to cases, data kits, to vehicle kits, there's a seemingly endless provide of Accessories for the HD2. Having said that, one particular often ignored accessory can help preserve you plugged in to your high-tech world, an additional HTC HD2 battery. HTC HD2 Accessories to guard and lengthen its use are superb, but with out the energy to keep your mobile phone on, the many Accessories in the world will not do you much great. The HD2 comes outfitted which has a common lithium ion battery with a reported 300 hour standby time. Nevertheless, number of mobile phones, specifically an HD2 sit idle for long. Therefore, the actual daily life of a single charge will fluctuate based on usage habits. With an additional battery to your HD2, you'll be able to be assured of always possessing the energy to stay plugged in, stay in touch with good friends or family, surf the internet, or get images. An extra battery must be first in your checklist for HTC HD2 Accessories. Visualize you go out shopping or to dinner with pals. Its late during the night and youre the final a single for your motor vehicle. You wave your pals farewell as they pull away. You turn the key, but nothing at all happens. You left your lights on and now your motor vehicle battery is dead. No dilemma, you think, roadside assistance is only a phone phone away. Till you comprehend you forgot to put your HD2 around the charger the night ahead of. Just as roadside help solutions, your mobile phone goes dead. What do you do? Htc Hd2 Battery |
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