Advanced images



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Welcome to advanced images! This page explains even more about the image syntax when editing the wiki. If you want to know more about Formats, Galleries and Links, this is absolutely the right place for it! You also can return to Basic Images or move on to Image manipulation, if you have missed something or want to know more concerning images.

Format
The following table shows the effect of all available formats.

When the height of an image in thumbnail is bigger than its width (i.e. in portrait orientation rather than landscape) and you find it too large, you may try the option, which will try to adjust its size to a more desirable size by reducing the height instead of the width. The alternative is to specify the desired maximum height (in pixels) explicitly.

Size and frame
Among different formats, the effect of the size parameter may be different, as shown below.
 * For how it appears when its size is not specified, see Format section above.
 * When the format is not specified, or only ed, the size can be both reduced and enlarged to any specified size.
 * In the examples below, the original size of the image is 400 × 267 pixels.
 * An image with  always ignores the size specification, the original image will be reduced if it exceeds the maximum size defined in user preferences.
 * The size of an image with  can be reduced, but can not be enlarged beyond the original size of the image.

Vertical alignment
The vertical alignment options take effect only if the image is rendered as an inline element and is not floating. They alter the way the inlined image will be vertically aligned with the text present in the same block before and/or after this image on the same rendered row.

Note that the rendered line of text where inline images are inserted (and the lines of text rendered after the current one) may be moved down (this will increase the line-height conditionally by additional line spacing, just as it may occur with spans of text with variable font sizes, or with superscripts and subscripts) to allow the image height to be fully displayed with this alignment constraint.

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To show the alignment result more clearly, the text spans are overlined and underlined, the font-size is increased to 200%, and the paragraph block is outlined with a thin border; additionally images of different sizes are aligned:

 text top: text

 text text-top: text

 text super: text

 text baseline: text

 text sub: text

 text default: text

 text middle: text

 text text-bottom: text

 text bottom: text

NOTES:
 * 1) The "middle" vertical alignment position of the image (which is also the default) usually refers to the middle between the x-height and the baseline of the text (on which the vertical middle of the image will be aligned, and on which usually the text may be overstroke), but not to the middle of the line-height of the font-height that refers to the space between the "text-top" and "text-bottom" positions ; the font-height excludes:
 * 2) * the additional line separation spacing normally divided equally into two line-margins (here 0.5em, according to line-height set to 200%) above and below the font-height).
 * 3) * the additional line spacing which may be added by superscripts and subscripts.
 * 4) However, if the image height causes its top or bottom position to go above or below the normal full line-height of text, the middle position will be adjusted after the increasing the top and/or bottom line-margins so that the image can fit and align properly, and all images (including those with smaller heights) will be vertically centered on the adjusted middle position (for computing the effective line-height, the text of each rendered row with the larger font-height will be considered).
 * 5) The "text-top" and "text-bottom" alignment positions also excludes the extra line spacing added by superscripts and subscripts, but not the additional line-spacing defined by the line-height.
 * 6) The "top" and "bottom" alignment positions take into account all these extra line spacings (including superscripts and subscripts, if they are present in a rendered line span). When the image alignment constrains the image to grow above or below the normal line-spacing, and the image is not absolutely positioned, the image will cause the "top" and "bottom" positions to be adjusted (just like superscripts and subscripts), so the effective line-height between rendered lines of text will be higher.
 * 7) The "underline", "overline" and "overstrike" text-decoration positions should be somewhere within these two limits and may depend on the type and height of fonts used (the superscript and subscript styles may be taken into account in some browsers, but usually these styles are ignored and the position of these decorations may not be adjusted); so these decorations normally don't affect the vertical position of images, relatively to the text.

Stopping the text flow
On occasion it is desirable to stop text (or other inline non-floating images) from flowing around a floating image. Depending on the web browser's screen resolution and such, text flow on the right side of an image may cause a section header (for instance, == My Header == ) to appear to the right of the image, instead of below it, as a user may expect. The text flow can be stopped by placing '''

''' (or if you prefer,

) before the text that should start below the floating image. (This may also be done without an empty line by wrapping the section with the floating images with …, which clears all floats inside the   element.)

All images rendered as blocks (including non-floating centered images, left- or right-floating images, as well as framed or thumbnailed floating images) are implicitly breaking the surrounding lines of text (terminating the current block of text before the image, and creating a new paragraph for the text after them). They will then stack vertically along their left or right alignment margin (or along the center line between these margins for centered images).

Altering the default link target
The following table shows how to alter the link target (whose default is the image description page) or how to remove it. Changing the link does not alter the format described in the previous sections.

Using css-defined classes
The following example makes use of a pre-defined class called "glow":

Examples of image-specific css
This example is the css for the "glow" class used above:  img.glow { background: rgba(0,0,0,0); -webkit-filter: drop-shadow(0px 0px 10px #666666); filter: drop-shadow(0px 0px 3.5px #666666) drop-shadow(1px 1px 1px #666666); }

This example is the css to make an image scale to fit the width of a containing element (in this case, add the class "scalable"):  img.scalable { max-width: 100%; height:auto; } This will make the image scale down if the element that contains it is smaller than the natural width of the image. It will not make the image scale up if the containing element is larger than the image.

Gallery syntax
It's easy to make a gallery of thumbnails with the  tag. The syntax is:

Optional gallery attributes
The gallery tag itself takes several additional parameters, specified as attribute name-value pairs:

Link behavior
By default an image links to its file description page. The "link=" option modifies this behavior to link to another page or website, or to turn off the image's linking behavior. Alternatively, you can create a text link to an image's description page or to the image itself.

Text link to image's file description page
Use a colon before   to link to image's file description page:

Text link to actual image
Use pseudo-namespace "   " for a text link to the actual image:

(If above gets you instead a text link to the image's file description, not a link to the actual image, perhaps your wiki's namespaces are configured out of compliance with this feature?)

Display image, link it to another page or website
Use "link=" option to link image to another page or website:

Clicking on the below image will take you to MediaWiki:





Clicking on the below image will take you to example.com:





Display image, turn off link
Use "link=" option with no value assigned to turn link off entirely; the below image is not a link:





Requisites
Before using images in your page, a user has to upload the file. Users can also make use of files on a file repository, such as the Gamepedia Commons.

Files at other websites
You can link to an external file available online using the same syntax used for linking to an external web page. With these syntaxes, the image will not be rendered, but only the text of the link to this image will be displayed. 

Or with a different displayed text: link text here

Additional MediaWiki markup or HTML/CSS formatting (for inline elements) is permitted in this displayed text (with the exception of embedded links that would break the surrounding link): Example  rich   link text  here. which renders as: Example  rich   link text  here.

Potentially useful third party software

 * External tools