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Photoshop vs Photoshop CC | Top 5 Most Useful Differences To Know - Curso de Letramento Digital |
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Graphics file formats differ in the way they represent image data as pixels or vectors , and support different compression techniques and Photoshop features. To preserve all Photoshop features layers, effects, masks, and so on , save a copy of your image in Photoshop format PSD. The standard bit depth for images is 8 bits per channel.
To achieve greater dynamic range with or bit images, use the following formats:. Many file formats use compression to reduce the file size of bitmap images. Lossless techniques compress the file without removing image detail or color information; lossy techniques remove detail. The following are commonly used compression techniques:.
Most useful for images with large areas of single color. Recommended for continuous-tone images, such as photographs.
JPEG uses lossy compression. For the best printed results, choose maximum-quality compression. A family of lossless compression techniques for black-and-white images, supported by the PDF and PostScript language file formats. For more information, see Help for the specific Adobe applications. When saving a PSD, you can set a preference to maximize file compatibility. This saves a composite version of a layered image in the file so it can be read by other applications, including previous versions of Photoshop.
It also maintains the appearance of the document, just in case future versions of Photoshop change the behavior of some features. Including the composite also makes the image much faster to load and use in applications other than Photoshop, and may sometimes be required to make the image readable in other applications.
Mac OS You can use this format to open an image in Photoshop 2. Saving in Photoshop 2. You can use DCS 2. Encapsulated PostScript EPS language file format can contain both vector and bitmap graphics and is supported by virtually all graphics, illustration, and page-layout programs. EPS format is used to transfer PostScript artwork between applications. When you open an EPS file containing vector graphics, Photoshop rasterizes the image, converting the vector graphics to pixels.
EPS does support clipping paths. You use DCS 2. You can edit and use an opened preview image just as any other low-resolution file. The current version of Photoshop includes rasterization features for opening files that include vector data.
The Photoshop Raw format is a flexible file format for transferring images between applications and computer platforms. Documents saved in the Photoshop Raw format can be of any pixel or file size, but they cannot contain layers. The Photoshop Raw format consists of a stream of bytes describing the color information in the image. Photoshop designates the number of channels needed to describe the image, plus any additional channels in the image.
The file creator is also generally a four-character ID. The Header parameter specifies how many bytes of information appear in the file before actual image information begins. This value determines the number of zeroes inserted at the beginning of the file as placeholders.
You can enter a header when you open the file in Raw format. You can also save the file without a header and then use a file-editing program, such as HEdit Windows or Norton Utilities Mac OS , to replace the zeroes with header information.
You can save the image in an interleaved or non-interleaved format. If you choose interleaved, the color values red, green, and blue, for example are stored sequentially. Your choice depends on requirements of the application that will open the file. A Photoshop Raw image is not in the same file format as a camera raw image file from a digital camera. Digital Negative DNG is a file format that contains the raw image data from a digital camera and metadata that defines what the data means. BMP is a standard Windows image format on Windows-compatible computers.
BMP images are normally written bottom to top; however, you can select the Flip Row Order option to write them from top to bottom. You can also select an alternate encoding method by clicking Advanced Modes. Using the Cineon format, you can output back to film with no loss of image quality. The format is used in the Cineon Digital Film System, which transfers images originated on film to the Cineon format and back to film.
DICOM files contain both image data and headers, which store information about the patient and the medical image. GIF format preserves transparency in indexed-color images; however, it does not support alpha channels. Use raw files from Canon cameras for best results. IFF Interchange File Format is a general-purpose data storage format that can associate and store multiple types of data.
IFF is portable and has extensions that support still-picture, sound, music, video, and textual data. A JPEG image is automatically decompressed when opened.
A higher level of compression results in lower image quality, and a lower level of compression results in better image quality. In most cases, the Maximum quality option produces a result indistinguishable from the original. All Photoshop features, such as layers, effects, and filters, are supported.
With documents larger than 30, pixels in width or height, some plug-in filters are unavailable. Most other applications and older versions of Photoshop cannot support documents with file sizes larger than 2 GB. The film format has high color fidelity and a dynamic range suitable for use in motion picture production.
Based on the PostScript imaging model, PDF files accurately display and preserve fonts, page layouts, and both vector and bitmap graphics. In addition, PDF files can contain electronic document search and navigation features such as electronic links. The Touch Up Object tool is mainly for last-minute revisions to images and objects. Photoshop PDF files. Photoshop PDF files can contain only a single image. Photoshop PDF format supports all color modes except Multichannel and features that are supported in standard Photoshop format.
Standard PDF files. Standard PDF files can contain multiple pages and images. When you open a standard PDF file, Photoshop rasterizes vector and text content, while preserving pixel content. PICT format is used in Mac OS graphics and page-layout applications as an intermediary file format for transferring images between applications. However, Photoshop cannot save to this format.
The Pixar format is designed specifically for high-end graphics applications, such as those used for rendering three-dimensional images and animation. Pixar format supports RGB and grayscale images with a single alpha channel. The format can be used for lossless data transfer because many applications support this format.
You can even edit or create such files within a simple text editor. This format was originally developed for the Radiance system, a professional tool for visualizing lighting in virtual environments.
The file format stores the quantity of light per pixel instead of just the colors to be displayed onscreen. Radiance HDR files are often used in 3D modeling. Contact Creo to obtain utilities for transferring files saved in Scitex CT format to a Scitex system.
These files are generated for input using a Scitex scanner. Images saved in Scitex CT format are printed to film using a Scitex rasterizing unit, which produces separations using a patented Scitex halftoning system.
TIFF is a flexible bitmap image format supported by virtually all paint, image-editing, and page-layout applications. Also, virtually all desktop scanners can produce TIFF images. Photoshop can save layers in a TIFF file; however, if you open the file in another application, only the flattened image is visible.
Photoshop can also save notes, transparency, and multiresolution pyramid data in TIFF format. WBMP format is the standard format for optimizing images for mobile devices, such as cell phones.
WebP format provides both lossless and lossy compression for working with images on the web. To learn more, see work with WebP files in Photoshop. Buy Adobe Photoshop or start a Free Trial. Legal Notices Online Privacy Policy. Buy now. User Guide Cancel. Make it. Important Important:. Choosing a file format. Formats for bit images requires Save A Copy command. Formats for bit images requires Save As command. Supported file formats in Photoshop.
File Format Types. Supported File Formats. Audio import formats.
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Adobe InDesign objects include any item you can add or create in the document window, including open paths, closed paths, compound shapes and paths, type, rasterized artwork, 3D objects, and any placed file, such as an image. If a graphic exists inside a frame as all imported graphics do , you can modify it by changing its relationship to its frame, as in the following examples:.
Use the Paste Into command to nest graphics within container frames. You can even nest graphics into nested frames. To paste two or more objects inside a frame, group them first, because a frame can contain only one object.
To paste a text frame inside another frame and preserve its current appearance, select the entire text frame using the Selection tool or Direct Selection tool , not the Type tool. Or, use the Selection tool to click the content grabber of the image. An imported image cannot exist without a frame. If you cut an imported image from its frame and paste it elsewhere within a document, a new frame is created for it automatically. If the frame and its content are different sizes, you can use the Fitting commands to achieve a perfect fit.
Frame alignment options apply to frames that contain either a graphic or another text frame text frames nested within another frame , but they do not affect paragraphs inside a text frame—you control alignment and positioning of text itself using the Text Frame Options command and the Paragraph, Paragraph Styles, and Story panels.
Fill Frame Proportionally. If the content and the frame have different proportions, some of the content will be cropped by the bounding box of the frame. Fit Content Proportionally. Resizes content to fit a frame while preserving the content proportions. If the content and the frame have different proportions, some empty space will result.
Content-Aware Fit. Automatically fits an image inside the frame based on the image content and frame size. The frame's dimensions are not changed. Fit Frame To Content. Resizes a frame to fit its content. This is useful for resetting a graphics frame that you accidentally altered. Fit Content To Frame. Resizes content to fit a frame and allows the content proportions to be changed. The frame will not change, but the content may appear to be stretched if the content and the frame have different proportions.
To fit a frame to its content quickly, double-click any corner handle on the frame. The frame resizes away from the point you click. If you click a side handle, the frame resizes only in that dimension.
Original B. Frame resized to fit content C. Content resized to fit frame. Center Content. Centers content within a frame. The proportions of the frame and its content are preserved. The size of the content and frame is unaltered. If the frame has a thick stroke weight, outer edges of the content will be obscured. See Set strokes. If you resize an image frame when Auto-Fit is not selected, the frame resizes while the image size remains the same.
If you select Auto-Fit, the image resizes with the frame. If you decide to crop or transform the image, use the Direct Selection tool to transform the image itself. Or, deselect Auto-Fit, transform the image, and select Auto-Fit again.
You can associate a fitting option to a placeholder frame so that whenever new content is placed in that frame, the fitting command is applied. Reference Point. Specify a reference point for the cropping and fitting actions. For example, if you select the upper-right corner for a reference point and choose Fit Content Proportionally, the image may be cropped on either the left or bottom side away from the reference point.
Use positive values to crop the image. For example, you may want to exclude a border that surrounds the placed image. For example, you may want white space to appear between the image and the frame. If you enter crop values that cause the image not to be visible, those values are ignored, but the fitting option is still implemented. Fitting On Empty Frame. Specify whether you want to fit the content to the frame which may cause the image to be skewed , fit the content proportionally some empty space may result , or fill the frame proportionally one or more sides may be cropped.
The fitting action is applied only when content is placed into a frame. If you resize the frame, the fitting option is automatically reapplied only if Auto-Fit is selected. When you use the Selection tool to select a graphics frame, you can select either the frame or the image within the frame. If you drag the content grabber, the image moves within the frame. The following techniques include ways to move a frame or its content independent of each other.
These techniques are useful for adjusting a graphic when cropped or masked in its frame. To move a frame together with its content, use the Selection tool to click the image outside the content grabber. To move imported content without moving the frame that is, to pan content behind its frame , drag the content grabber. You can also use the Direct Selection tool to select and drag the image. If you hold down the mouse button on a graphic before you move it, a dynamic graphics preview a ghosted-back image of the outside of the frame appears, but the preview of the image that moves inside the frame is not ghosted.
This makes it easier to see how you are positioning the entire image within a frame. Photo in graphics frame B. Frame with stroke applied C. Frame enlarged with both stroke and fill applied. You can quickly enlarge a frame equally around all sides by using the Transform or Control panel. Select the frame with the Direct Selection tool , set the panel reference point locator to the center point, and enter new values for the width and height.
Cropping and masking are both terms that describe hiding part of an object. A common example of a mask is a clipping path, which is a mask made for a specific image.
Use graphics frames to crop or mask objects. Because an imported graphic is automatically contained within a frame, you can crop or mask it immediately without having to create a frame for it.
For efficient printing, only the data for the visible parts of cropped or masked images is sent when you output the document. However, you still save disk space and RAM if you crop or mask images to their desired shapes and sizes before importing them into your document.
Cropping an image using a graphics frame. Object export options can be applied to both text frames and graphic frames, as well as groups. Use Object export options to:.
Create different conversion settings on each object so they render well on different screen sizes and pixel densities. Use these options to control the quality of rasterization applied to text effects, such as drop shadow and bevel, when you export the layout to HTML or EPUB. You can leave the Object Export Options dialog box while you select other objects on the layout to apply the settings. Alternative text Alt text is a brief text-based description of an image or graphic. This text is used in situations where the image is not rendered or to help screen-readers.
Alt-text Source. From Structure. Use text as specified in the structure. See Label graphics for use with screen-reader software. Use data stored in common XMP fields.
If XMP data is updated using another application such as Adobe Bridge, when you update the link, text is updated automatically. From Other XMP. Use for graphic elements that have no important meaning when they are read aloud by a screen reader. Based on Object. Actual Text Source. PDF also supports actual text, in addition to Alt text. Actual text can be applied to graphic elements that visually look like text. For example, a scanned TIFF image. Actual text is used to represent words that were converted to artwork.
Actual text is only applicable for tagged PDFs. If these settings are not specified, the EPUB export image conversion settings are used. Preserve Appearance From Layout. Use Existing Image for Graphic Objects.
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