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This file describes how to create a new KLines theme.
(Last update: 29.05.2007 by dimsuz)
KLines theme consists of svgz file which contains game elements
with predefined svg ID's and accompanying .desktop file which contains
various information about theme and some important theme settings
(like animation timing and number of frames)
-= SVG file =-
There are 7 types of different-colored balls in the game and each ball
type has 3 animation sequences:
- born (played when ball appears on the field)
- select (played when ball is selected by player)
- die (played when ball is destroyed)
7 colors are:
Red, Blue, Green, Purple, Yellow, Earth (dark-brown), Cyan
So, as a theme creator you'll need to create these 3 animation sets
for EACH ball color. Number of frames in each set is up to you,
i.e. it's configurable (see below).
Next, you'll need to create svg elements for field-cell, preview area
and background.
Yeah, klines needs many elements :-).
So, let me sum this all up and provide you with predefined svg
ID's that are needed for all the stuff:
1. Born animation set of each ball consists of NumBornFrames (see
below). Each frame has ID "[C]_born_[N]", where [C] is first letter
of ball's color (in lowercase) and [N] is a frame number
2. Select animation set of each ball consists of NumSelectedFrames
(see below) and each frame has ID "[C]_select_[N]".
3. Die animation set of each ball consists of NumDieFrames
(see below) and each frame has ID "[C]_die_[N]".
Example of IDs: e_born_1, e_born_2, ... e_born_N
c_select_1, c_select_2, ..., c_select_N
y_die_1, y_die_2, ..., y_die_N
4. Picture of the ball (in steady state) of each color with ID: [C]_rest
(e.g. r_rest, b_rest, g_rest etc)
5. Field cell with ID: field_cell
6. Picture of preview-display with ID: preview
7. Background image with ID: background
8. Optional border with ID: border
If theme author wishes, he can add a border element that will be painted
around game field, i.e. all cells will be painted inside border element's area
IMPORTANT NOTE: Game assumes that border visual side size will be half of field cell's size.
And will render it based on this assumtion. I.e. if border element exists in theme, game
will render cells slightly smaller, by decreasing their size on half of usual size.
Oh, hope you'll understand this :)
Better - just take a look at the current border rich themes as an example ;)
It's simple
That's all for SVG part. Let's move to simpler one: .desktop file :)
-= .desktop file =-
As has been noted earlier, desktop file is part of each klines
theme and contains various info about theme as well as settings which
control animation.
It has the Key=Value format and starts with the "[KGameTheme]"
header.
here's how typical klines theme .desktop file should look like (let's name it mytheme.desktop):
-= example of mytheme.desktop =-
[KGameTheme]
Name=ThemeName
VersionFormat=1
FileName=themefile.svgz
Author=Theme Author Name
AuthorEmail=author@email.dot
NumBornFrames=[Number of born anim frames in svg]
NumSelectedFrames=[Number of selected anim frames in svg]
NumDieFrames=[Number of die anim frames in svg]
BornAnimDuration=[Number of milliseconds to play born anim set]
SelectedAnimDuration=[Number of milliseconds to play selected anim set]
DieAnimDuration=[Number of milliseconds to play die anim set]
MoveAnimDuration=[Number of milliseconds to move the ball through one cell]
-= end of mytheme.desktop example =-
You may want to take a look at
/path/to/kdedir/share/apps/klines/themes/klines.svgz
and
/path/to/kdedir/share/apps/klines/themes/default.desktop
for reference
Good luck!
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