internal training - eda

EDA

Epsilon Mobile

Outline

What is EDA ?

3 Tiers model

Tier 1

Tier 2

Tier 3

Practice

What is EDA

Epsilon data format for digital publishing.

We use them to represent the digital data:

book, comic, magazine, …

Anything else ?

Motion

Comic, Brochure, Menu, Animation, Diagram, Fin

ance report, Survey, …

And much much more …

Principle

It’s designed based on the idea that every

business object can be represent as a

tree of other objects.

Example:

a magazine will contains many pages,

each page will contain one or many articles,

each articles in turn will contain many widget:

slideshow, text, title, …

3 Tiers

• EDA MAGAZINE

• EDA COMIC

• EDA BOOK

• EDA Survey

• EDA Finance

• EDA Motion ComicTier 3

• EDA GUI

• EDA Animation

• EDA Action

• EDA Data

• Eda OpenGL

• EDA Physic

• EDA 3D GUI

Tier 2• EDA Base

Tier 1

Tier 1

EDANode

One node will contain two parts:

Its properties and its children

Node will be identified by id, tags and type.

Node will have many states

Each states will contain its own attributes

For example: landscape, portrait, …

Any attributes which wasn’t declared in one state, it’s

contained in state default

Node’s structure

<node type="EDANode“ id=“content” tags=“photo”> <dict>

<key>rect</key>

<string>{{0,0},{768,1024}}</string>

<key>URI</key>

<string>1.png</string>

<key>autoresizingMasks</key>

<integer>63</integer>

</dict>

<node>

// put children’s declaring here

</node>

</node>

Node’s state

<node type="EDAImage"> <dict>

<key>rect</key>

<string>{{0,0},{768,1024}}</string>

<key>URI</key>


<key>states</key>

<dict> <key>landscape</key>

<dict> <key>URI</key> <string>No.png</string> <key>rect</key> <string>{{0,0},{1024,768}}</string>

</dict>

</dict>

</dict>

Node ref

If we declared a magazine with 200 pages. It’ll consume too much

memory.

That’s why we use node-ref

<node type="EDANode“ id=“content” tags=“photo”>

<dict/>

<node-ref type="EDAView" URI="page0.xml" storageMode="readonly"/>



</node>

Tier 2

EDAGUI

EDAAnimation

EDAAction

EDA3DObject

EDAOpenGL

EDACanvas

EDAGUI

EDAView

autoresizingMasks

rect

Name Value

kEDAAutoresizingMaskNone 0

kEDAAutoresizingMaskFlexibleWidth 1

kEDAAutoresizingMaskFlexibleHeight 2

kEDAAutoresizingMaskFixedLeftMargin 4

kEDAAutoresizingMaskFixedRightMargin 8

kEDAAutoresizingMaskFixedTopMargin 16

kEDAAutoresizingMaskFixedBottomMargin 32

EDAView (cont)

One view can have many renderer which can be

used separately for each purpose

By default, one view will have a render which named

by adding “-Renderer” to its class.

For example, EDAScrollPage will have

EDAScrollPageRenderer as its default renderer.

EDAView

<dict>

<key>rect</key>

<string>{{0,0},{768,1024}}</string>

<key>URI</key>


<key>autoresizingMasks</key>

<integer>63</integer>

</dict>

EDAView’s children

EDAImage

EDAScrollPage

EDABackgroundMusic

EDAScrollPage

Can scroll vertically or horizontally.

Will cached one or many pages based on the

configuration.

EDAAnimation

EDASprite

Run images frame by frame.

Properties:

rect

frames: array of images name

duration: time-intervale between frames

<node type="EDASprite">

<dict>

<key>rect</key>

<string>{{100,100},{50,50}}</string>

<key>name</key>

<string>ninja</string>

<key>frames</key>

<array>

<string>frame-0.png</string>

</array>

<key>states</key>

<dict>

<key>shoot</key>

<dict>

<key>duration</key>

<real>1.0</real>

<key>frames</key>

<array>



EDATransformAnimation

Points using unit vector (0,1) instead of absolute

vector.

fromPoint -> toPoint

fromScale->toScale

fromRotation->toRotation

fromAlpha->toAlpha

recursives

count

duration

EDAAnimation

Think of it as a view which animation applied up-on.

Can contains any EDAView inside.

EDATransformToAnimation

There’s no “from”. Just animate using the current

attributes.

<key>toPoint</key>

<string>{0.4013020833,0.814453125}</string>

<key>toAlpha</key>

<real>0.8</real>

<key>toScale</key>

<real>1</real>

EDASequenceAnimation

Play animation, one by one.

Every sub-animation will be represent as this node’s

children, and has tag animation

Can contains one and only one content node which

has id content

Tier 3

EDAComic

EDAMagazine

EDABook

EDASurvey

EDAFinance

EDAMotionComic

EDAComic

EDAMagazine

EDABook

EDA package

Is an archive which contains many files

EDA Package

main.xml

the starting point for each

package. It’ll contain the

root node.

list.xml

contain the required

information for transfering

one package from server

to client.

/

-- list.xml

-- main.xml

-- 1.jpg

-- 1.xml

-- 1-1.mp3

-- 1-2.mp4

-- 2.jpg

-- 2.xml

-- 2-1.png

-- 2-2.jpg

-- 3.xml

-- ...

List file <eda>

<group>

<key>LDFSK?</key>

< path >meta.zip</ path >

<file>

<key>FAGDSDF</key>

<path>main.xml</ path >

</file>

<file>

<key>FASDFWEQ</key>

< path >0.xml</ path >

</file>

...

</group>

<file>

<key>FKD!S?F</key>

< path >0.jpg</ path >

</file>

...

</eda>

Practice

Create a multi page scrolling

Example 1:

a static image as background

Another image on top

Different background for portrait and landscape

Example 2:

Sprite

Example 3:

A ball appear using animation

Background sound

Example 4:

Multi-scroll page for comic

Thank you

internal training - eda

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