{ "Format": "PNG", "ShortName": "PNG", "FullName": "Portable Network Graphics", "Category": "位图图像图形格式", "Pros": "压缩损失保持在最低限度。任何压缩率都不会影响图像质量。该格式非常适合存储图像的中间版本。重新保存图像时，图像的质量不会丢失。PNG 支持大量颜色。它允许多个级别的透明度。使用图层的能力。向文件中添加元数据的功能。文件的大小很小。", "Cons": "不适合处理全彩色照片。无法在单个文件中保存许多图像。不允许使用动画。", "Createdby": "巴布亚新几内亚发展集团", "CreatedbyLink": "http://www.libpng.org/pub/png/", "CreatedInYear": "1996", "BasicInformation": "以可移植网络图形 (PNG) 格式保存的图像文件称为PNG文件。它包含一个无损压缩位图，与.GIF 文件类似。Web 图形、数码图片和具有半透明背景的图像通常保存为 PNG 文件。最初，PNG图像格式旨在取代GIF图像格式，因为它们都支持透明背景。索引颜色和无损压缩的使用是两者之间的另一个相似之处。另一方面，PNG文件不受相同的版权限制。", "DetailedInformation": "叠加在方格背景上的是一张带有 8 位透明度图层（上）（下）的 PNG 图像。巴布亚新几内亚采用了通货紧缩，这是一种未获得专利的无损数据压缩技术。在大多数情况下，PNG可以比GIF更有效地压缩图像，但某些实现使用的过滤器方法不足，导致不必要地生成庞大的PNG文件。PNG 格式的透明度有三种类型：一种用于索引的彩色图像，两种用于灰度或真彩色图像。Gamma 值、背景颜色和文本内容都是可以记录在 PNG 文件中的图像属性。该标准允许每个通道最多16位，但是，大多数客户每个通道只需要8位。为了保存图像，PNG格式被广泛使用，尤其是在互联网上。它可以处理已编入索引（基于调色板）的24位RGB或32位RGBA（带有第四个Alpha通道的RGB）彩色图像。该格式支持全彩色、无索引的 RGB 或 RGBA 照片以及灰度图像。各种计算机用户可能会遇到 PNG 文件，无论他们是从网站下载图像、接收附在电子邮件中的数码照片还是截图。对于 Web 使用，平面设计师经常将图形另存为 PNG 文件。他们还使用PNG文件来保存可以叠加在其他图片上的半透明徽标或图标模型。", "Softwaresused": [ { "platform": "Linux的", "softwares": [ { "name": "GIMP", "link": "https://www.gimp.org/", "image": "/assets/fileimg/wcqHWtb.jpeg", "type": "免费 " }, { "name": "谷歌浏览器", "link": "https://www.google.com/chrome/", "image": "/assets/fileimg/ffv3iNy.jpeg", "type": "免费" }, { "name": "微软边缘", "link": "https://www.microsoft.com/en-us/edge?ranMID=24542&ranEAID=4LioSo*jxMc&ranSiteID=4LioSo.jxMc-8cApDvsVIlYVzCtlYhBrpQ&epi=4LioSo.jxMc-8cApDvsVIlYVzCtlYhBrpQ&irgwc=1&OCID=AID2000142_aff_7593_1243925&tduid=%28ir__ubj0vvercgkfqjqvkk0sohzzz32xuukxg3nupsf200%29%287593%29%281243925%29%284LioSo.jxMc-8cApDvsVIlYVzCtlYhBrpQ%29%28%29&irclickid=_ubj0vvercgkfqjqvkk0sohzzz32xuukxg3nupsf200", "image": "/assets/fileimg/2DVHHaP.jpeg", "type": "免费" }, { "name": "火狐浏览器", "link": "https://www.mozilla.org/en-US/firefox/browsers/", "image": "/assets/fileimg/WofJU7C.jpeg", "type": "免费" } ] }, { "platform": "Windows", "softwares": [ { "name": "微软照片", "link": "https://www.microsoft.com/en-us/p/microsoft-photos/9wzdncrfjbh4?activetab=pivot:overviewtab", "image": "/assets/fileimg/nrsG7Ys.jpeg", "type": "免费，包含在操作系统中" }, { "name": "微软 Windows 照片查看器", "link": "https://support.microsoft.com/en-us/windows/photo-viewer-for-windows-10-ff861e89-d4a7-146d-19d0-1b117b94ffc2", "image": "/assets/fileimg/FSHZ7pW.jpeg", "type": "免费，包含在操作系统中" }, { "name": "微软油漆", "link": "https://support.microsoft.com/en-us/windows/get-microsoft-paint-a6b9578c-ed1c-5b09-0699-4ed8115f9aa9", "image": "/assets/fileimg/AuNqAKT.jpeg", "type": "免费，包含在操作系统中" }, { "name": "微软绘制3D", "link": "https://www.microsoft.com/en-us/p/paint-3d/9nblggh5fv99?activetab=pivot:overviewtab", "image": "/assets/fileimg/7Z9sNdy.jpeg" }, { "name": "ACD 系统 ACDSee", "link": "https://www.acdsee.com/en/products/photo-studio-home/", "image": "/assets/fileimg/acdsee.png", "type": "免费试用" } ] }, { "platform": "苹果电脑", "softwares": [ { "name": "苹果预览版", "link": "https://support.apple.com/en-in/guide/preview/welcome/mac", "image": "/assets/fileimg/O1HqazZ.jpeg", "type": "免费，包含在操作系统中" }, { "name": "苹果照片", "link": "https://www.apple.com/macos/photos/", "image": "/assets/fileimg/b18tt3b.jpeg", "type": "免费，包含在操作系统中" }, { "name": "苹果野生动物园", "link": "https://www.apple.com/safari/", "image": "/assets/fileimg/PePZ5cb.jpeg", "type": "免费，包含在操作系统中" }, { "name": "Adobe Photos", "link": "https://www.adobe.com/products/photoshop.html?mv=affiliate&mv2=red", "image": "/assets/fileimg/fClLkgM.jpeg", "type": "免费试用" }, { "name": "谷歌浏览器", "link": "https://www.google.com/chrome/", "image": "/assets/fileimg/ffv3iNy.jpeg", "type": "免费" } ] }, { "platform": "iOS系统", "softwares": [ { "name": "谷歌相册", "link": "https://www.google.com/photos/about/", "image": "/assets/fileimg/xbfyrdU.jpeg", "type": "免费 " }, { "name": "谷歌驱动器", "link": "https://www.google.com/drive/", "image": "/assets/fileimg/bC8ZzSs.jpeg", "type": "免费增值" }, { "name": "微软 OneDrive", "link": "https://www.microsoft.com/en-us/microsoft-365/onedrive/online-cloud-storage", "image": "/assets/fileimg/BV8ML15.jpeg", "type": "免费试用" }, { "name": "Adobe Photos", "link": "https://apps.apple.com/us/app/adobe-photoshop-express/id331975235?ign-mpt=uo%3D4", "image": "/assets/fileimg/Mny97V6.jpeg", "type": "免费试用" }, { "name": "Pixelmator 2", "link": "https://apps.apple.com/us/app/pixelmator/id924695435?mt=8&ign-mpt=uo%3D4", "image": "/assets/fileimg/HmizpGb.jpeg", "type": "已付" } ] }, { "platform": "安卓", "softwares": [ { "name": "安卓版文件查看器", "link": "https://www.google.com/photos/about/", "image": "/assets/fileimg/6uyiajm.jpeg", "type": "免费增值" }, { "name": "谷歌驱动器", "link": "https://www.google.com/drive/", "image": "/assets/fileimg/bC8ZzSs.jpeg", "type": "免费增值" }, { "name": "谷歌相册", "link": "https://www.google.com/photos/about/", "image": "/assets/fileimg/xbfyrdU.jpeg", "type": "免费 " }, { "name": "微软 OneDrive", "link": "https://www.microsoft.com/en-us/microsoft-365/onedrive/online-cloud-storage", "image": "/assets/fileimg/BV8ML15.jpeg", "type": "免费增值" }, { "name": "Adobe Photos", "link": "https://play.google.com/store/apps/details?id=com.adobe.psmobile&hl=en", "image": "/assets/fileimg/Mny97V6.jpeg", "type": "免费" } ] }, { "platform": "ChromeOS", "softwares": [ { "name": "谷歌相册", "link": "https://www.google.com/photos/about/", "image": "/assets/fileimg/xbfyrdU.jpeg", "type": "免费 " }, { "name": "谷歌浏览器", "link": "https://www.google.com/chrome/", "image": "/assets/fileimg/ffv3iNy.jpeg", "type": "免费" }, { "name": "铬操作系统", "link": "https://www.google.com/chromebook/chrome-os/", "image": "/assets/fileimg/ZTI2NTv.jpeg", "type": "免费，包含在操作系统中" } ] } ] }