PSPComic version 1.0 Theme Specification
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A PSPComic theme consists of one to three different files inside of a directory
in the comics/.pspcomic/themes folder. If the internal name of a theme is
"foobar", for instance, the theme would be located at
comics/.pspcomic/themes/foobar

Every theme must contain a theme.xml file, which describes the theme. It is a
simple XML 1.0 file. Everything in the file is case-sensitive. The root element
is named theme, and must contain two attributes: name, which defines the visible
name of the theme, and version, which describes the version of PSPComic the
theme is for. The version attribute should be in the format "x.y.z", where x is
the major version (1), y is the minor version (0), and z is the maintenance
version. This version number does NOT correspond to the version of the theme.

The theme element should contain at least one of two elements, specifically font
and background. For a complete theme, both must be specified. If one is not
specified, the version from the default theme is used.

The font element, to be a complete theme, must contain several attributes and
elements. The attributes it must contain are filename, antialias, size and
lspacing. The filename attribute specifies the filename of the font to use. It
must be a TrueType or bitmap font and must be in the theme's directory (not
a subdirectory). The antialias attribute sets whether or not the font should be
antialiased. Antialiasing uses more memory and is slower, but looks better than
a non-antialiased font. The size attribute specifies the height of the font. It
must be greater than 0 and is recommended to be less than approximately 50. The
lspacing attribute specifies the space between the top of one line and the top
of another line. This must be at least 1. If any of these attributes are
missing, except for lspacing, the default theme's values are used. Behavior if
the default theme is missing these values is undefined. If lspacing is absent or
invalid, then the default spacing of the font is used. The program will
encounter an error if the font is not found or cannot otherwise be loaded. If
the value of size is invalid, the default size will be used.

If the filename attribute is specified, then the ranges element can be used.
The ranges element goes inside of the font element and specifies the Unicode
ranges that work with the font specified. Inside of the ranges element should be
one or more range elements, which have two attributes, begin, which is the
codepoint where the range begins, and end, which is the codepoint where the
range ends. If the ranges element is missing or empty, the font is expected to
be ASCII-compatible (range 0-127), but not Latin-1 (range 0-255) compatible.

The font element also contains several color elements. The color element
contains four attributes, the context attribute, which specifies where the color
should be used, the red attribute, which specifies, between 0 and 255, how much
red there should be in the color, the green attribute, which specifies, between
0 and 255, how much green there should be in the color, and the blue attribute,
which specifies, between 0 and 255, how much blue there should be in the color.
The contexts used in the font element are normal, selected, secondary, tertiary,
batterylow and batterycharging. The normal context color is used for most text.
The selected context color is used for text that should be visibly selected. The
secondary context color is used for text that should appear in a color other
than normal, for instance folders in the the open comic book menu. The tertiary
color context is used for text that should not be either normal or secondary,
such as the [More] scrolling text at the top or bottom of a list. The batterylow
context color is used for displaying the battery life percentage when it is low,
and the batterycharging context color is used for displaying the battery life
percentage when the battery is charging. If any of the colors except for the
normal color are not specified, the normal color is used instead. If the normal
color is not specified, the default theme's normal color is used.

The second element that the theme element may contain is the background element.
The background element can have one attribute, filename. The filename must refer
to a file in the same directory as the theme (not a subdirectory). The filename
must refer to an image that is either a PNG, JPEG or GIF (note that animated
GIFs do not work), and the image will be scaled to 480x272 if it is not already.

The background element may contain one color element with the fallback context.
This is used as the background color in the event that the background cannot be
sucessfully loaded. It is also the color that is used when the screen is cleared
for drawing a page that's centered or transparent. If it is not specified, the
one from the default theme is used.

Please note that all of the elements and attributes specified in this file
except for the ranges element the colors other than the primary color must be
used in a theme for it to be a complete theme. Incomplete themese may be used,
but not as the default theme. Note that the default theme is not the one that's
loaded upon running the program. Rather, the default theme is the one that is
loaded if another one has not been saved and if an incomplete theme is loaded,
pieces of the default theme are loaded. The default theme must be present for
the program to run properly. If the theme cannot be properly loaded, the program
will give an error and exit.

If additional attributes or elements are specified inside of the theme element,
they are ignored and an error is not raised.
