Vandmærke JPEG-filer i Java-applikationer ved hjælp af populære vandmærketyper såsom tekst, billede, XObject, artefakt, annotering og formvandmærker uden brug af ekstern software eller vandmærkeværktøj. Brug avanceret sæt vandmærkestyringsfunktioner – tilføj nemt vandmærker til vedhæftede billeder, dokumenter samt vedhæftede filer i e-mail, tekstbehandlingsdokumenter, Excel-regneark, PowerPoint-præsentationer og Visio-diagrammer.
HentJava vandmærkebibliotek gør det nemmere for udviklere at tilføje BMP, PNG, GIF eller JEPG som billedvandmærke til JPEG-filen ved at tilføje et par nemme trin.
Nedenstående Java-kodeeksempel kræver GroupDocs.Watermark
navneområder for at indsætte billedvandmærker til en lang række understøttede filformater. Tilføj og se det vandmærkede dokument på forskellige operativsystemer såsom Windows, Azure, Linux (Ubuntu, OpenSUSE, CentOS og andre) eller macOS, mens du arbejder på Java J2SE-udviklingsplatformen.
Hent de respektive filer fra Hent eller hent hele pakken fra Maven for at tilføje Conholdate.Total
direkte i dit arbejdsområde.
Dette Java-kodeeksempel viser, hvordan man tilføjer tekstvandmærke til et JPEG-dokument ved hjælp af et par enkle linjer Java-kode. Vandmærket vil blive tilføjet til alle siderne i kildedokumentet.
Generer automatisk billedrepræsentation af dokumentsider ved hjælp af dokumenteksempelfunktionen til at indstille vandmærkets placering og stil i dokumentet. Denne funktion er nyttig til bedre at visualisere dokumentstrukturen og indholdets placering, efter at vandmærket er føjet til kildedokumentet.
Generer dokumenteksemplet i JPG-, PNG- eller BMP-billedformater for hele dokumentet, eller vælg specifikke sider efter behov.
JPEG, short for Joint Photographic Experts Group, represents a lossy compression algorithm meticulously crafted to minimize the storage size of digital images. Renowned for its widespread usage in still images and graphics, it holds a prominent position on the web and in digital cameras. Operating on the principle of content analysis, JPEG meticulously measures and evaluates the image’s content before proceeding to compress it, thereby reducing the overall file size. The level of compression can be adjusted to cater to the desired image quality. While JPEG compression typically yields images with lower quality, it achieves remarkably small file sizes, rendering it perfect for online photo sharing.
JPEG’s exceptional popularity is primarily attributed to its ability to strike a balance between image quality and file size. By employing lossy compression techniques, JPEG effectively eliminates certain visual information that may not be noticeable to the human eye. This selective discarding of data ensures substantial reduction in file size while preserving the overall visual integrity to an acceptable level. Consequently, JPEG files are compact and highly efficient in terms of storage and transmission, making them ideal for web-based applications where bandwidth and storage limitations are prevalent.
The adjustable nature of JPEG compression further enhances its versatility. Users have the flexibility to determine the trade-off between file size and image quality by adjusting the compression settings. In scenarios where high image fidelity is of paramount importance, a lower compression level can be selected to preserve intricate details and minimize visual artifacts. Conversely, when the emphasis is on minimizing file size without significant loss in perceived quality, a higher compression level can be applied. This adaptability allows users to tailor the JPEG compression to their specific requirements, ensuring an optimal balance between file size and image quality.
It is noteworthy that while JPEG excels in the realm of digital image compression, it may not be the most suitable choice for all scenarios. Due to its lossy nature, repeatedly compressing and decompressing JPEG files can result in a cumulative loss of image quality. Therefore, it is advisable to exercise caution and refrain from excessive re-compression if preserving the highest possible image fidelity is paramount.
Lære(Portable Document Format)
(Word Processing Files)
(Spreadsheet Files)
(Digital Image Files)
(Email Files)
(Visio Diagram Files)
(Microsoft Word Binary Format)
(Office 2007+ Word Document)
(Microsoft Word 2007 Marco File)
(Microsoft Word Template Files)
(Microsoft Word 2007+ Template File)
(Microsoft Word Template File )
(Rich Text Format)
(Microsoft Excel Spreadsheet (Legacy))
(Macro-enabled Spreadsheet)
(Open XML Workbook)
(Excel 97 - 2003 Template)
(Excel Macro-Enabled Template)
(Excel Template)
(Microsoft PowerPoint 97-2003)
(Open XML presentation Format)
(Macro-enabled Presentation File)
(PowerPoint Slide Show)
(PowerPoint Slide Show)
(Macro-enabled Slide Show)
(Microsoft PowerPoint Template Files)
(Microsoft PowerPoint Template Presentation)
(Microsoft PowerPoint Template File)
(E-Mail Message)
(Apple Mail Message)
(Outlook File Template)
(Outlook Message Item File)
(OpenDocument Text File Format)
(Bitmap Image File)
(Graphical Interchange Format)
(Joint Photographic Expert Group Image)
(Joint Photographic Expert Group Image)
(JPEG 2000 Core Image)
(Portable Network Graphic)
(Tagged Image File Format)
(Raster Web Image Format)
(Visio Drawing File)
(Vector Design eXchange)
(Visio Macro-Enabled Drawing)
(Visio Drawing)
(Visio Stencil File)
(Visio SmartShape Master)
(Visio Stencil File)
(VST Audio Plugin)
(Visio Macro-Enabled Drawing Template)
(Visio Drawing Template)
(Visio Stencil XML File)
(Anim8or 3D Model)
(Outlook Offline Data File)
(Icon File)
(Scalar Vector Graphics)
(Compressed Scalable Vector Graphics)
(Photoshop Large Document Format)
(LaTeX Source Document)
(Truevision Graphics Adapter)
(XML Paper Specifications)
(OpenDocument Standard Format)
(OpenDocument Standard Format)
(OpenDocument Presentation Format)
(Text Document)
(Markdown Language)
(Photoshop Document)
(Comma Seperated Values)
(Data Interchange Format)
(Device Independent Bitmap)
(Web Files)
(Hypertext Markup Language File)
(MHTML Web Archive)
(DICOM Image)
(Windows Compressed Enhanced Metafile)
(Printer Command Language Document)
(Windows Metafile)
(Open eBook File)