Tilføj tekst- eller billedvandmærke til JPEG-filer i C#-, ASP.NET-, VB.NET-, .NET Core-, Xamarin- og Mono-baserede applikationer. Brug avancerede vandmærkestyringsfunktioner til at tilføje forskellige vandmærketyper til PDF, Word, Excel, PowerPoint, Visio-diagrammer, e-mailvedhæftede filer, animerede GIF’er, flersidede TIFF- og rasterbilledformater uden brug af andet vandmærkeværktøj eller -software. Vælg at tilføje vandmærke til hele dokumentet, bestemte sider eller et bestemt afsnit på siderne, efter behov.
HentConholdate.Total for .NET gør det nemt for .NET-udviklere at tilføje billedvandmærke til JPEG-filer ved at følge nogle få nemme trin.
Nedenstående kodeeksempel kræver GroupDocs.Watermark
navneområde for at indsætte billedvandmærke til JPEG og andre understøttede dokumentformater på alle populære operativsystemer såsom Windows, Linux eller macOS, mens du bruger Windows Azure, Mono og Xamarin platforme.
Hent de respektive filer fra Hent eller hent hele pakken fra NuGet for at tilføje Conholdate.Total
direkte i dit arbejdsområde.
Nedenstående kodeeksempel viser, hvordan man tilføjer tekstvandmærke til en JPEG-fil ved hjælp af et par linjer C#-kode. Det vil indsætte vandmærke på alle siderne i de understøttede dokumentformater.
.NET Watermark-biblioteket er en alt-i-en-vandmærkehåndteringsløsning til at indsætte forskellige typer tilpassede vandmærker til fotos, billeder og fortrolige dokumenter. Indstil vandmærke til alle vedhæftede filer i en PDF, e-mail eller en Excel-fil. Programmatisk beskyt tekstvandmærke i en PowerPoint-præsentation ved hjælp af ulæselige tegn.
De understøttede vandmærketyper omfatter XObject, Artifact, Annotation, Shape, tekst og billede.
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)