# Manual del visualitzador d'imatges

2015-2021 MATE Documentation Project
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2000 Eliot Landrum
2000 The Free Software Foundation
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Eliot Landrum
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Federico Mena Quintero
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Eliot Landrum eliot@landrum.cx

Federico Mena Quintero federico@gnu.org

Projecte de documentació de GNOME

This manual describes version 1.22 of Image Viewer.
Aniol Gervasi tradueix@gmail.com 2009 Aniol Gervasi Robert Antoni Buj Gelonch rbuj@fedoraproject.org 2018 2019 2020 2021 Robert Antoni Buj Gelonch

## Introducció

L'aplicació del visualitzador d'imatges Eye of MATE us permet visualitzar fitxers d'imatge sols, així com també grans col·leccions d'imatges.

### Iniciar el visualitzador d'imatges

Podeu iniciar el visualitzador d'imatges de les següents maneres:

- Obrir un fitxer d'imatge a Caja.

- Seleccionar Gràfics Visualitzador d'imatges des del menú Aplicacions.

- Executar `eom` a l'indicador d'ordres d'un terminal com ara mate-terminal, o des del diàleg Executa una aplicació.

### Tancar el visualitzador d'imatges

Per tancar la finestra actual del visualitzador d'imatges seleccioneu Imatge Tanca, o premeu Ctrl W.

### Tots els fitxers admesos

El visualitzador d'imatges admet un gran varietat de formats de fitxers d'imatge. Es poden obrir els següents formats d'imatge:

- ANI: animació

- BMP: Bitmap de Windows

- GIF - Graphics Interchange Format

- ICO: icona de Windows

- JPEG - Joint Photographic Experts Group

- PCX - PC Paintbrush

- PNG - Portable Network Graphics

- PNM - Portable Anymap from the PPM Toolkit

- RAS - Sun Raster

- SVG - Scalable Vector Graphics

- TGA: targa

- TIFF - Tagged Image File Format

- WBMP - Wireless Bitmap

- XBM - X Bitmap

- XPM - X Pixmap

Image Viewer supports the following formats for saving:

- BMP: Bitmap de Windows

- ICO: icona de Windows

- JPEG - Joint Photographic Experts Group

- PNG - Portable Network Graphics

Image Viewer may be able to open and save other image formats, depending on your system configuration and other installed software.

### Image Viewer Features

Image Viewer has a variety of features to help you view your images. You can zoom in and out or view the image full screen. Regardless of your zoom level, Image Viewer uses a low amount of memory. You can also rotate and flip the image you are viewing.

The collection view allows the viewing and editing of large image collections. In this view image operations can be applied to all selected images at once.

Image Viewer has special support for digital camera pictures and displays EXIF metadata recorded with the image. This feature requires libexif to be installed on your system. All modifications made in JPEG images are lossless. That is, saving rotated and flipped JPEG images will not recompress the image. Beside this all available metadata (like EXIF) will be preserved and updated accordingly.

## Primers passos

Quan inicieu el visualitzador d'imatges, es mostra la finestra següent:

## Finestra d'inici del visualitzador d'imatges

Shows Image Viewer main window. Contains titlebar, menubar, toolbar, and display area. Menubar contains File, Edit, View, and Help menus.

La finestra del Visualitzador d'imatges conté els elements següents:

Barra de menús

  Els menús de la barra de menús contenen totes les ordres que necessiteu per treballar amb imatges al visualitzador d'imatges.

Barra d'eines

  The toolbar contains a subset of the commands that you can access from the menubar. To show or hide the toolbar, choose View Toolbar.

Àrea de visualització

  L'àrea de visualització mostra el fitxer de la imatge.

Barra d'estat

  La barra d'estat proporciona informació sobre la imatge. Per mostrar o ocultar la barra d'estat, trieu Vista Barra d'estat.

Col·lecció d'imatges

  The image collection shows you all supported images in the current working directory. It shows up once an image has been loaded. To show or hide the collection, choose View Image Collection or press Ctrl F9.

Plafó lateral

  The side pane provides further information about the current image, for example EXIF metadata (if available). It shows up after an image has been loaded. To show or hide the side pane, choose View Side Pane or press F9.

La majoria de les accions del visualitzador d'imatges es pot realitzar de diverses maneres. Per exemple, podeu obrir un fitxer de les maneres següents:

- Drag an image file into the Image Viewer window from another application or window.

- Double-click on an image file in the file manager or other application.

- Choose Image Open and select an image file in the Load Image dialog.

- Press Ctrl O and select an image file in the Load Image dialog.

## Visualitzar imatges

### Obrir una imatge

Per obrir una imatge, realitzeu els passos següents:

1. Choose Image Open , or press Ctrl O .

2. Al diàleg Obre una imatge, seleccioneu el fitxer que voleu obrir.

3. Click Open. Image Viewer displays the name of the image file in the titlebar of the window.

To open another image, choose Image Open again. Image Viewer opens each image in a new window.

### Viewing the Images in a Folder

To view all images in a folder, perform the following steps:

1. Open one of the images in the folder (see ).

2. Open the image collection by choosing View Image Collection or pressing Ctrl F9.

The collection shows thumbnails of all supported images in the folder. You can browse the images by clicking on an image in the collection, by choosing the appropriate option in the Go menu or by pressing Alt Left or Alt Right.

To view all the directory images in fullscreen, choose View Full Screen or press F11. To view them as a slide show, choose View Slideshow or press F5. To return to the collection view, press the Esc key. For more information about how to customize the slide show, see .

### Desplaçar una imatge

To scroll around an image that is larger than the image window or full screen view, you can use the following methods:

- Use the arrow keys on the keyboard.

- Drag the image to move it in the window. (This means you drag the image in the opposite direction you want to scroll in: to scroll down the image, drag it upwards in the window.)

- Utilitzeu les barres de desplaçament de la finestra.

### Fer zoom

You can zoom in or out of the image in the following ways:

- Use the scroll wheel on your mouse. Scrolling down zooms out; scrolling up zooms in.

- Choose View Zoom In or View Zoom Out. To restore the image to its original size, choose View Normal Size. To make the image fit in the window, choose View Best Fit.

- Use the zoom buttons in the toolbar. Normal will restore the picture to its original unscaled size. Fit will resize the image so it will fit in the window if it is too large.

- Use the keyboard. To zoom in, Ctrl+ or +. To zoom out, Ctrl- or -. To go back to the normal size, Ctrl 0 or 1. To scale the image to fit the window, press F.

When an image is zoomed to fit the window, resizing the window will also change the zoom level, so the image still fits the window.

### Visualitzar una imatge en pantalla completa o en la presentació de diapositives

To show the image using the entire screen, choose View Full Screen.

No panels, window frames, or menubars are visible when an image is shown like this. To return to the normal view, press Esc, or F11.

You can zoom or scroll around the image in the same way as when it is shown in a window, using the mouse or the keyboard.

If you have multiple images in your collection you can press Space or use the right/left cursor keys to advance to the next image. The previous image can be reached by pressing Backspace or using the left/up cursor keys.

In this case you can also use the slideshow mode, where Image Viewer automatically switches to the next image in your collection. You can start a slideshow by choosing View Slideshow or by pressing F5. The slideshow can be paused/continued by pressing P. To stop the slideshow, press the Esc or F5 key, or Ctrl W. For more information about how to customize the slide show, see .

## Manipular imatges

All image manipulations apply to all selected images at once. The modifications are done in memory and alter the original files on disk only when the images are saved with the save function (see ).

### Invertir una imatge

To flip an image along the horizontal axis of the image, choose Edit Flip Horizontal .

To flip an image along the vertical axis of the image, choose Edit Flip Vertical .

### Girar una imatge

To rotate an image 90 degrees in a clockwise direction, choose Edit Rotate Clockwise .

To rotate an image 90 degrees in an anticlockwise direction, choose Edit Rotate Counterclockwise .

### Desfer una acció

To undo a flip or rotate action, choose Edit Undo or press Ctrl Z .

### Eliminar una imatge

To move an image to the Trash, choose Edit Move to Trash . This moves the file to the Trash folder. Multiple images can also be moved to the trash in the same way: select them all first.

To restore an image from the Trash, open the Trash folder in Caja file manager and move the image file to another folder. To delete the image permanently, empty the Trash. To find out more about using the Trash, see the Desktop User Guide.

You can also use the Del key to move an image to the Trash, in which case you will be asked for confirmation.

## Desar imatges

Image Viewer always tries to choose the save method with the least impact to the image data. For example, if an otherwise unmodified image is saved under a different name in the same format, the file is simply copied. If libjpeg is available on the system all JPEG image modifications are done without loss of image information.

### Desar una imatge

To save an image, choose Image Save . The image will be saved under the same name and file type. Therefore, unmodified images needn't be saved.

### Desar una imatge sota un nom diferent

To save an image under a different name, or convert it to a different file type, choose Image Save As .

Specify the filename in the Name field in the Save Image dialog, then click Save. The file is saved in the current folder by default. Image Viewer tries to determine the file type from the given filename suffix. If the image should be saved in another folder or the file type detection failed, expand the dialog by clicking on Browse for other folders. This allows further folder navigation and the specification of the file type from the drop down box.

Podeu desar diverses imatges alhora: consulteu la secció següent.

### Desar diverses imatges

Saving multiple images at once allows you to convert several images to a different format, or give them similar filenames.

To save multiple images, select the images and choose Image Save As . The following window is displayed:

### Diàleg «Anomena i desa» per a diverses imatges

Shows Eye of MATE Save As dialog when saving multiple images.

The folder in which the images will be saved is specified by the Destination folder drop-down box. Initially the folder is set to the current folder. Select Other... from the drop-down list to open a standard open folder dialog for browsing the filesystem. The resulting filename for each image is specified by Filename format. The filename schema is constructed by simple characters and special tags. The following special tags are available:

- Filename (%f) - Original filename without the fileformat suffix.

- Counter (%n) - Auto-incremented number (starts at specified counter start).

Everything but these special tags are considered normal text.

The image format is determined by the drop-down box after the schema definition. Select a specific image format or use the as is option to state that the same format as the original file should be used.

The Options section allows to remove all space characters by underscores in the resulting filename if Replace spaces with underscores is checked. The Start counter at spin box determines at which number the counter starts if you use the %n tag for the file format specification.

The File Name Preview section of the dialog shows the resulting file name according to the above settings for an example filename from the selected images.

## Imprimir imatges

### Establir els ajusts de la pàgina

Before printing you need to set the page settings you would like to use. To do that choose Image Print.

In the Page Setup dialog you can now choose paper size and orientation. If possible, configure your printer to have the page borders set correctly.

### Imprimir una imatge

Per imprimir una imatge, realitzeu els passos següents:

1. Select Image Print

2. In the Print dialog, select the printer you want to use from the list.

3. Click Print. Image Viewer starts printing now.

Images that are too large for the page are automatically scaled down to fit the page. Images that are smaller than the page are centered on it.

Please note that Image Viewer is currently lacking progress reporting while printing. During that time the user interface might become unresponsive for a short time.

### Posicionar una imatge a la pàgina

Maybe you don't want your image centered or want it scaled down even further. To do that you need to open the Print dialog (see ) and then select the Image Settings tab which offers you the following options:

- The options in the Position section allow you to change the images position on the page.

- It is also possible to position the image on the page by dragging it around in the Preview field.

- The options in the Size section allow you to scale your image to your liking. Scaling is limited by either the image size or by the page size, depending on what condition is met first.

- The Unit option allows you to change the metric unit which is used by the options on the Image Settings tab. When you change this option the other fields values are converted accordingly.

## Personalitzar la barra d'eines

Image Viewer's default toolbar contains only a basic set of items to keep it simple. But you can modify the toolbar if you prefer a different set.

### Modificar la barra d'eines

If you want to modify the toolbar you need to open the toolbar editor by going to Edit Toolbar. The following window will pop up:

### La finestra de l'editor de la barra d'eines

Shows Eye of MATE toolbar editor window.

It contains the items that are not in the toolbar and the separator item. You can now edit the toolbar:

- To add new items to the toolbar, drag them from the toolbar editor to the toolbar.

- To remove items from the toolbar, drag them from the toolbar to the toolbar editor.

- To rearrange items on the toolbar, drag them to their new position on the toolbar.

When you have finished editing the toolbar, click the Close button in the toolbar editor window. This will close the toolbar editor and make your modified toolbar active.

### Restablir la barra d'eines

To revert your changes to the toolbar and return to the default layout, perform the following steps:

1. Open the toolbar editor (see ).

2. Click the Reset to Default button.

3. Click the Close button to close the toolbar editor. The toolbar has been reset to the default layout now.

## Preferències

Preferences can be changed by going to Edit Preferences. You will be able to change the options for image viewing and slide shows. The changes apply to all open windows instantly.

### Visualització de la imatge

Image Enhancements

  Select the Smooth images when zoomed option to enable image smoothing when you change the image's zoom factor. If you select this option, your images will be smoothed to improve their display quality while viewing them with Image Viewer.

  If you select the Automatic orientation option, your images will be rotated on loading according to their metadata. For example portraits are automatically rotated upright. Note that this function requires a correctly set orientation tag in the image's metadata and thus does not work with all images. The rotation is not saved until you save the rotated image (see ).

Transparent Parts

  Select one of the following options to determine how Image Viewer displays transparent parts of an image:

  - As check pattern

    Displays any transparent parts of the image in a check pattern.

  - As custom color

    Displays any transparent parts of the image in a solid color that you specify. Click on the color selector button to select a color.

  - As background

    Displays any transparent parts of the image in the background color of the Image Viewer application.

### Presentació de diapositives

Image Zoom

  Select the Expand images to fit screen option to enlarge images to fit the screen during the slide show. If you do not select this option, images that are smaller than the screen size are not resized to fit the screen.

Seqüència

  Select the Loop sequence option to cycle endlessly through the list of images during the slide show. If you do not select this option, the slide show returns to the collection view after the last image is displayed.

  Use the Switch image after ... seconds spin box to specify how long each image is displayed during the slide show. If you set this value to zero, the auto advance function is disabled and only manual browsing is available (see ).

Eye of MATE