Supported File Formats for Images This topic provides short descriptions of the supported image formats. It also lists operations which can be carried out on each image format. Graphics Mill supports the following file formats: • BMP File Format • EPS File Format • GIF File Format • IDML File Format • JPEG File Format • PDF File Format • PNG File Format • PSD File Format • RAW File Format • SVG File Format • TARGA File Format • TIFF File Format • WebP File Format One of the main characteristics of an image format is the set of corresponding pixel formats. This defines a number of bits of memory associated with one pixel of data and an order of color components within a single pixel. The image formats listed above support one or several pixel formats. BMP File Format BMP (Bitmap Picture) is a standard bitmap image format used to store digital images on Microsoft Windows operating systems. BMP files range from monochrome (1 bit per pixel) to 32 bit color images. The BMP format can store both indexed and full-color images in various color depths, and optionally with data compression, and color profiles. MIME Type image/bmp File Extensions *.bmp, *.dib, *.rle Supported Format Features Name Description BmpSettings.Compression A compression type of BMP files. It can be either uncompressed for any allowed BMP file pixel formats, or use RLE compression for 4- bit and 8-bit bitmaps. EPS File Format EPS (Encapsulated PostScript) is a PostScript document used as a graphics file format. An EPS file may contain both raster and vector data descripted by the PostScript language. MIME Type application/postscript File Extension *.eps Supported Format Features Name Description Name Description Working with EPS Two ways to create EPS documents. Graphics: Drawing Images and How to draw on EPS. Geometric Shapes GIF File Format GIF (Graphics Interchange Format) is a bitmap image format which works well for saving any type of grayscale or 256 color image. The color limitation makes the GIF format unsuitable for reproducing color photographs and other images with continuous color, but it is well-suited for simpler images such as graphics or logos with solid areas of color. The GIF image format supports animations and one- dimensional interlacing (a method of progressive displaying). GIF interlacing makes this format convenient for transmission of images across slow communication links. MIME Type image/gif File Extension *.gif Supported Format Features Name Description Codecs.GifSettings Writer settings in GIF format. Loading and Saving Processing animated GIF images: creating a new animated GIF file, Name Description Animated GIFs loading an existing one, resizing animated GIFs. IDML File Format IDML (InDesign Markup Language) is an XML-based data format of the Adobe® InDesign® publishing software. An IDML file represents a ZIP archive containing a set of files and folders. MIME Type application/vnd.adobe.indesign-idml-package File Extension *.idml JPEG File Format JPEG (Joint Photographic Experts Group) is the most popular bitmap image format for storing digital photos using lossy compression. The JPEG format was designed for compressing either grayscale or full-color images of real-world scenes. It supports the sequential and progressive compression schemes, subsampling, and setting a quality range from 0 to 100. MIME Type image/jpeg File Extensions *.jpeg, *.jpg, *.jfif, *.jpe Supported Format Features Name Description Applying Lossless JPEG Implementing lossless JPEG operations (rotating, flipping, cropping, Transforms updating metadata) using Graphics Mill Working with Metadata Processing metadata: reading and writing EXIF, IPTC, XMP metadata, and Adobe Image Resource Blocks. Preserving metadata while processing images. Working with JPEG JPEG compression algorithm and Graphics Mill JPEG writer settings. PDF File Format PDF (Portable Document Format) was developed by Adobe Systems, Inc. for secure and reliable distribution of electronic documents independent of software, hardware, and operating system. In general, a PDF file includes a complete description of a fixed-layout flat document such as the text, fonts, graphics, and other information needed to display it. MIME Type application/pdf File Extension *.pdf Supported Format Features Name Description Working with PDF Two ways to create PDF documents. Name Description Graphics: Drawing Images and How to draw on PDF. Geometric Shapes PNG File Format PNG (Portable Network Graphics) was created to replace the obsolete GIF format due to a legal problem caused by the LZW algorithm used in GIF. In comparison with GIF, the PNG format has three main advantages: • alpha channel (variable transparency), • gamma correction (cross-platform control of image brightness), • two-dimensional interlacing (method of progressive displaying). PNG supports palette-based images with palettes of 24-bit RGB or 32-bit RGBA colors, grayscale images (with or without alpha channel), and full-color non- palette-based images with or without alpha channel. MIME Type image/png File Extension *.png Supported Format Features Name Description PngSettings.IsInterlaced A value that specifies if a PNG file should be interlaced or not. PSD File Format PSD (Photoshop Document) is a native bitmap file format of the Adobe® Photoshop® program using lossless data compression. This format is a de facto standard for designers all over the world. The PSD image format is rather complex and stores a lot of layers and additional data (image layers, text layers, applied effects, etc.). MIME Type image/vnd.adobe.photoshop File Extension *.psd Supported Format Features Name Description Loading Raster Layers Getting access to layers of a PSD file and extracting an image from layers of a PSD image. Loading Text Layers Extracting text data from layers of a PSD file. Merging Layers Merging raster and text layers. RAW File Format A camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner. Raw files are named so because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor. Supported Format Features Name Description Loading RAW files Two ways to load RAW files in Graphics Mill: through pipelines and via the GraphicsMill.Bitmap class. SVG File Format SVG (Scalable Vector Graphics) is an image format developed by the World Wide Web Consortium (W3C). This format defines vector-based graphics in the XML format. SVG is very popular standard in web design because using it you may achieve perfect graphics quality without thinking of the zoom level or screen resolution. MIME Type image/svg+xml File Extension *.svg TARGA File Format TARGA (Truevision Advanced Raster Graphics Adapter) is a raster graphics file format created by Truevision Inc. Graphics Mill supports the following compression methods for the TARGA format: • No compression • RLE compression MIME Type image/x-targa image/x-tga File Extension *.tga Supported Format Features Name Description Codecs.TgaSettings Writer settings of the TARGA format. TIFF File Format TIFF (Tagged Image File Format) is a bitmap file format for storing images that is very popular among professional photographers and graphic artists. TIFF is a flexible and adaptable file format for handling images and data within a single file. It includes the header tags (size, definition, image-data arrangement, applied image compression) and defines the image's geometry. Graphics Mill supports the following compression methods for the TIFF format: • CCITT RLE compression, • CCITT Group 3 compression, • CCITT Group 4 compression, • LZW compression, • JPEG compression, • ZIP "deflate" compression. MIME Type image/tiff File Extensions *.tiff, *.tif Supported Format Features Name Description Codecs.TiffSettings Writer settings of the TIFF format. Working with Metadata Processing metadata: reading and writing EXIF, IPTC, XMP metadata, and Adobe Image Resource Blocks. It also shows how to preserve metadata during processing images. Working with TIFF Extra Processing extra channels of TIFF images: adding/getting an extra Channels channel to/from a TIFF image and handling opacity in the extra channel. WebP File Format WebP is an image format developed by Google Inc. This format provides lossless and lossy compression for images on the web. WebP can be used for animated images as an alternative to the popular GIF format. MIME Type image/webp File Extension *.webp .
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