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UPDATED: Version 2.8 released 11/14/05. Download now!

IMPORTANT NOTE: Please note that this plugin doesn’t support WordPress 2.X. However, you can find a wonderful remake here that does.

This plugin allows you to have images created automatically for your entry titles. In this way you can utilize non-standard fonts and get smoother rendering than would be possible with simple text headlines. New to this version is improved integration with the WordPress administration interface under WordPress 1.5 Strayhorn as well as genuine soft-shadows behind the text for that smooth, custom look the girls love. All of the titles you see on this site as well as all of the examples on this page were generated with this plugin.

This is an updated version of a plugin I released back in November of 2004, which is itself an updated version of a truly cool plugin released by Joel Bennett. Oh the tangled webs we weave.

If you have problems or questions, feel free to leave a comment here. There are currently ##comments WHERE comment_post_ID = 656″; echo $wpdb->get_var($sql);?>## comments about this plugin. Join the discussion!

If you end up using the plugin please drop into this thread and leave a comment with a link to your site. That way I can see what better designers than me came up with. Thanks!

If you like it…

Please note, if you find this or any of my plugins useful and feel the need to express your appreciation, I accept donations with a difference. Click the banner below to learn more.

Prerequisites

Your hosting provider must have GD and FreeType support compiled in to PHP for this plugin to work. If you don’t know what this means, ask your hosting provider.

Installation

IMPORTANT NOTE! As of version 1.4 of the WordPress Plugin Manager, TTF font files are not allowed elements of plugins. Hence, the bundled font is not installed correctly. You will need to download the tarball or ZIP file and install the font into the WordPress installation’s ‘wp-content/image-headlines’ directory. Sorry about that.

Your best bet is to first install the WordPress Plugin Manager and then perform a One-Click installation from there. That’s as simple as it gets. Failing that, you’re welcome to download the tarball and install it by placing the tarball in your WordPress installation’s wp-content directory and performing a [code]tar xvzf headline-image.tar.gz[/code]

That should get everything where it needs to go (there is also a zip file available for those that can’t use tarballs). You’ll then need to visit the plugins page of the WordPress administration and activate the plugin. See, don’t you wish you’d just used the Plugin Manager?

You must do this part

In order to have your titles turned into images, you have to change how you get your titles! Why? Well, if I went around changing every single invocation of the title into an image you’d have images in your RSS feeds and anywhere else you call “the_title()”. You don’t want that. Instead, you tell me which of your titles you want to be images. You do that by editing your template — for instance, your Main Template which generally controls how your home page will look — and search for the following text:

[code lang="php"]the_title();[/code]

Shouldn’t be hard to find. Make certain that this is the one you want changed, it might appear elsewhere in the file. This is the one somewhere after the “while (have_posts()) : the_post()” stuff. You’ll change this text to look like this instead:

[code lang="php"]the_title('-image-');[/code]

That’s it! What this does is tell the plugin “hey plugin, I want you to magically turn this into an image for me, alright?” And the plugin will, if everything is as it should be, turn it into an image for you. For increased accessibility you may wish to add an undisplayed span of text with the title as well, though to my mind the alt text provided in the image should suffice.

Using other fonts

The font I’ve included is the lovely Warp 1 by Alex Gollner. You can see more of his fonts here. However, if you’d like to use some other font you are more than welcome to do so. First, though, you need to get it on the server. So, find yourself a gorgeous TrueType font — preferably in Windows format if you have the choice — and stick it on your server. One of the easiest ways is to use the built-in WordPress Upload utility. You’ll have to allow ttf files to be uploaded which you can change in the miscellaneous tab of your WordPress Options, but once you do that it’s literally just a few clicks to install the font. Simply click the “Upload” tab in WordPress administration, browse to your font (note that Windows is finicky with the file dialog around fonts… you’ll have to right-click on your file and hit “Properties…” and copy the filename from the properties and paste it into your file name box in the “Open…” dialog) and upload it! The plugin automatically searches your configured upload directory as well as the wp-content/image-headlines directory for valid TrueType fonts and lists those in the menu. Experiment with those fonts!

Configuration

Following installation you’ll likely want to configure the appearance of your titles. Simply go to the Options page of your WordPress installation where you’ll see a new option cunningly called “Headlines”. Click it.

If everything has gone well with the installation you should see a collection of options and a nifty preview image of what your current settings look like. Yeah! Note that if your preview image is showing (it should be an image with “The quick brown fox jumped over the lazy dog.” in red letters with a soft gray background shadow) you are good to go. You’re welcome to customize it however you wish but as far as the plugin is concerned it’s a happy camper.

Let’s talk options.

General Configuration

Really if you’re up and running you have nothing much to do here. Most of this just sets what directory the plugin will use to store the images it generates. You can change it if you wish.

Image Caching

You have control over how long the plugin will store images in the image cache. Why does the plugin cache images instead of generating them on-the-fly every time? Because it takes work to generate those images… sometimes — especially when using those pretty soft-shadows — a lot of work. Asking the web server to generate those images from scratch every time is burdensome. So, the plugin saves the image upon creation. The next time that particular title is displayed the web server can simply return that previously-created image and save a lot of work.

There’s a trade-off though, of course. Storage. Those images take up space. And if you have, say, 600 posts, that’s 600 images that would be stored. The plugin lets you decide how long to keep those images in the cache based on the age of the image. The default is 14 days, meaning that any image that was created 14 days ago will be deleted sometime today. This simply means that if someone views an archive post from, say, last year it is likely that the plugin will need to recreate the image before it can be displayed. Once created it will hang around in the cache for the configured time and then get deleted again. You can select any number of days to suit your needs. Please note that all of this caching and the management of the image files within the cache is transparent to you and to your readers.

Font and Colors

As you might imagine this section will have the greatest bearing on the appearance of your titles. You’ll see a menu containing the list of available fonts and entry boxes for controlling the font size and color as well as what the background looks like. Note that all colors you see on this page must be specified in HTML color format, so #123456 or #FF0000 or even the shorthand version like #CCC. Anything else will break in fantastic and undefined ways and I will not be pleased if you ask me why your images aren’t showing up and it turns out that you have GREEN in the color field. You’ve been warned!

If you make your background transparent it will likely look better. Turn the option on and off to see the difference.

You can have a background image displayed behind your text if you want. I don’t use it much but that’s your call.

Line Spacing

This will control the formatting of your image a bit, especially as it pertains to long lines.

The left padding simply tells the plugin to leave some blank space at the left edge before it starts drawing the text. This may be useful in the case where you have a background image you want to include.

You can enable the line-splitting option so that really long titles get split into multiple lines before rendering. This is important on fixed-width blogs — like the default Kubrick template in WordPress, for instance — so that you don’t break the appearance if you happen to spout off in your titles like I do. Selecting this option will break the text into multiple lines if the rendered line would exceed the maximum line width you specify.

The vertical space is the additional space you want between each line in the case that we break up lines. The bigger the number the larger the gap between them.

The line indent is the additional space between the left border of the image and any subsequent lines in the case of a line break.

Shadows

You can turn shadows completely off if you so desire. In which case, simply turn off that “Enable shadow” checkbox. But where’s the fun in that? You have your choice of two shadow styles: soft-shadows and so-called “classic” shadows. Here’s the explanation of both:

Soft Shadows

Soft shadows look like the shadows that Adobe Photoshop generates for you. All of the examples on this page except for the “exciting” one are soft-shadowed. They are generated by drawing the text in the color that you specify in the shadow color parameter after first offsetting the text by the amounts that you specify in the vertical and horizontal offset parameters. Once that’s drawn the entire shadow image is blurred mathematically. If you care about the nitty-gritty details, it performs an approximation of a Gaussian blur using a “squares” convolution kernel horizontally and vertically across the image, with the size of the kernel being based on the “shadow spread” parameter given. If you don’t care about the nitty gritty, think about blurring your eyes and looking at the text: the amount you blur your eyes is controlled by the “shadow spread” parameter. A small spread means that the shadow will be pretty well defined. A larger spread will mean that the shadow is spread out more and more diffuse (as well as the color tends to fade as the spread increases).

PLEASE NOTE that large shadows means many more calculations and many more calculations means it is slower to calculate the final image and making it slower means using CPU time on the server and using too much CPU time makes ISP admins cry. Once a particular image for a particular title is created it doesn’t have to be created again, so you don’t have to worry about constantly performing this calculation. But, take it from me, if you have a large spread on a large text size it can take 20 seconds to calculate the shadow for it. And that’s 20 seconds of 99% CPU utilization on the server processor which can create problems with certain hosts. You’ve been warned again.

“Classic” Shadows

Classic shadows are pretty simple. First, we draw shadow two in the color you specify, and we draw it 2 times the number of pixels you specify in the offset parameter down and to the right of where the final text will be drawn. Then we draw shadow one in the color you specify, and we draw it the number of pixels you specify in the offset parameter down and to the right. Then we draw the text in your font color right where you want it. The “exciting” example on this page is an example using this method. Using this technique has the advantage that it’s fast. Using this technique has the disadvantage that it’s ugly. Okay, not ugly, just not as elegant and stylish as the soft ones. Then again I’m biased… I wrote the soft shadows and Joel Bennett did the classic ones . Nevertheless, you can create some interesting effects with the classic shadows.

Can I use it for things other than titles?

Glad you asked! You can stick this anywhere in your templates — for instance if you want your various category titles rendered — or even in your posts and pages like the one above. First, if you want to put these images in your posts like this — say for fancy dropcaps — you’ll need a very helpful plugin aside from the Image Headline plugin. Go and find the RunPHP plugin. Install it. Then, wherever you want your text to appear, put in a call to the following function (if in a page or post, be sure to enable the “eval() Content” option):

[code lang="php"][/code]

Where the ‘formats’ string is a list of formats that you want to override separated by ampersands (&). Anything you don’t specify will be set exactly as it is for your entry titles. Each format will be in the form of ‘format_name=value’ where ‘format_name’ is defined as follows:

• font_file – Full file-system path to the TrueType font you want to use (e.g. ‘/home/user/wp-content/themes/fonts/athena.ttf’).
• font_size – The size in points to draw the text.
• font_color – The color in HTML format either full (#FF0000) or brief (#F00).
• background_color – The color of the background that the image will be displayed over in the same format as above.
• shadow_color – If soft shadows are on — which follows the main setting in your Options page — this controls what color to draw the shadow.
• shadow_spread – If soft shadows are on this controls the spread in pixels.
• shadow_vertical_offset – Controls how many pixels down to draw the shadow.
• shadow_horizontal_offset – Controls how many pixels to the right to draw the shadow.
• left_padding – Number of pixels from the left edge to start drawing the text.
• max_width – The maximum width in pixels allowed before the text is broken into multiple lines.
• space_between_lines – The number of pixels between the bottom of the previous line and the top of the next line for multiline images.
• line_indent – The additional number of pixels to indent subsequent lines in multiline images.
• shadow_first_color – The color to draw the first of the “classic” shadows if soft-shadows are not enabled.
• shadow_second_color – The color to draw the second of the “classic” shadows if soft-shadows are not enabled.
• shadow_offset – If using “classic” shadows, the number of pixels separating the shadows from the main text and each other.
• background_image – An image to draw under the text in the background.

So, if I want to set the font color to red, the size to 20 points, and the shadow spread to 5 pixels the format string would be:

[code lang="php"]'font_color=#F00&font_size=20&shadow_spread=5'[/code]

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