WO2005078602A1 - Systemes, procedes et progiciel permettant de manipuler des informations de presentation electronique - Google Patents

Systemes, procedes et progiciel permettant de manipuler des informations de presentation electronique Download PDF

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Publication number
WO2005078602A1
WO2005078602A1 PCT/AU2005/000115 AU2005000115W WO2005078602A1 WO 2005078602 A1 WO2005078602 A1 WO 2005078602A1 AU 2005000115 W AU2005000115 W AU 2005000115W WO 2005078602 A1 WO2005078602 A1 WO 2005078602A1
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WO
WIPO (PCT)
Prior art keywords
routine
node
data structure
nodes
elements
Prior art date
Application number
PCT/AU2005/000115
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English (en)
Inventor
Christopher Nokleberg
Original Assignee
Tonic Systems Pty Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2004902075A external-priority patent/AU2004902075A0/en
Application filed by Tonic Systems Pty Limited filed Critical Tonic Systems Pty Limited
Publication of WO2005078602A1 publication Critical patent/WO2005078602A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/166—Editing, e.g. inserting or deleting
    • G06F40/186—Templates

Definitions

  • the present invention relates generally to the field of manipulating electronic presentation information, and has particular - but by no means exclusive - application to a Microsoft PowerPoint presentation.
  • the ability to be able to readily develop a computer program that can manipulate presentation material in a computer file is desirable.
  • the computer program could be used to automatically retrieve information from a database, format the retrieved information, and place the formatted information into the presentation material. Having a program that can do this means that the presentation material can be quickly manipulated with minimal human assistance.
  • developing a computer program to carry out this task currently is likely to be cumbersome because the software developer needs to develop the necessary code to retrieve the presentation material from the computer file, which would require the software developer to have a reasonable understanding of the techniques required to retrieve the presentation material from the computer file (for example, the format of the computer file) .
  • having to develop the necessary code to retrieve the presentation material from the computer file is likely to take time that could otherwise be used to develop the code to manipulate the information contained in the presentation material.
  • Software module - a part of a program, and comprises one or more routines.
  • Program - An organised list of instructions that, when executed by a computer, causes the computer to behave in a predetermined manner.
  • a program is converted into machine language by a compiler.
  • Routine A section of a program that performs a particular task.
  • routine is also synonymous with procedure, function, method and subroutine.
  • Application Program Interface A set of routines, protocols and tools that can be used to develop a program.
  • a system for obtaining presentation material comprising a processing means that is arranged to perform the steps of: creating a data structure containing information related to the presentation material in a computer file; and accessing the data structure to obtain the presentation material.
  • the data structure is arranged as a tree structure comprising a plurality of nodes interconnected by branches, wherein the nodes represent elements of the presentation material and/or attributes of the elements, and the branches represent an association between the elements and/or attributes .
  • the presentation material may consist of several slides, each of which contains a picture or text.
  • each slide would be represented by a node and the picture or text in the slide would be represented by another node.
  • the node representing the slide and the node representing the text or picture contained therein would be interconnect by a branch to indicate that the text or picture is contained in the slide.
  • the nodes that represent the elements are associated with the attributes of the elements.
  • the processing means is arranged to perform the step of retrieving the presentation material from the computer file.
  • the processing means is arranged such that the step of accessing the data structure comprises accessing a single node that represents a group of the nodes .
  • the processing means is arranged such that the step of accessing the data structure comprises altering the attributes.
  • the processing means is arranged such that accessing the data structure comprises altering a structure of the data structure. This effectively enables, for example, nodes or branches to be added, deleted, or rearranged.
  • the processing means is arranged to perform the step of updating the presentation material in the computer file based on the data structure.
  • the presentation material is such that it can be used with Microsoft PowerPoint.
  • a method of obtaining presentation material comprising the steps of: creating a data structure containing information related to presentation material in a computer file; and accessing the data structure to obtain the presentation material.
  • the data structure is arranged as a tree structure comprising a plurality of nodes interconnected by branches, wherein the nodes represent elements of the presentation material and/or attributes of the elements, and the branches represent an association between the elements and/or attributes .
  • the nodes that represent the elements are associated with the attributes of the elements.
  • the method comprises the step of retrieving the presentation material from the computer file.
  • the step of accessing the data structure comprises accessing a single node that represents a group of the nodes .
  • the step of accessing the data structure comprises the step of altering the attributes.
  • the step of accessing the data structure comprises the step of altering a structure of the data structure.
  • the method comprises the step of updating the presentation material in the computer file based on the data structure.
  • the presentation material is such that it can be used with Microsoft PowerPoint.
  • a system for developing a software module comprising a processing means arrangement to perform the steps of: creating a first routine that can create a data structure that represents a presentation in an electronic presentation file; and creating at least one second routine that can be used to access the data structure, wherein the software module comprises the first routine and the at least one second routine .
  • the data structure is arranged as a tree structure comprising a plurality of nodes interconnected by branches, wherein the nodes represent elements of the presentation material and/or attributes of the elements, and the branches represent an association between the elements and/or attributes .
  • the nodes that represent the elements are associated with the attributes of the elements.
  • the first routine is such that it is capable of retrieving the presentation material from the computer file.
  • the at least one second routine is such that a group of the nodes can be accessed as a single node.
  • the at least one second routine is such that it can be used to alter the attributes.
  • the at least one second routine is such that it can be used to alter a structure of the data structure.
  • the processing means is arranged to perform the step of creating a third routine that can be used to update the presentation material in the computer file based on the data structure, wherein the software module comprises the third routine.
  • the presentation material is such that it can be used with Microsoft PowerPoint.
  • a method of developing a software module comprising the steps of: creating a first routine that can create a data structure that represents a presentation in an electronic presentation file; and creating at least one second routine that can be used to access the data structure, wherein the software module comprises the first routine and the at least one second routine.
  • the data structure is arranged as a tree structure comprising a plurality of nodes interconnected by branches, wherein the nodes represent elements of the presentation material and/or attributes of the elements, and the branches represent an association between the elements and/or attributes .
  • the nodes that represent the elements are associated with the attributes of the elements.
  • the first routine is such that it is capable of retrieving the presentation material from the computer file.
  • the at least one second routine is such that a group of the nodes can be accessed as a single node.
  • the at least one second routine is such that it can be used to alter the attributes.
  • the at least one second routine is such that it can be used to alter a structure of the data structure.
  • a system for developing a computer program comprising a processing means arranged to perform the steps of: obtaining a software module that comprises: a first routine that can create a data structure containing information related to presentation material in a computer file; and at least one second routine that can be used to access the data structure; and incorporating the first routine and/or the at least one second routine into the computer program to thereby develop the computer program.
  • the nodes that represent the elements are associated with the attributes of the elements.
  • the processing means is arranged to perform the step of creating a third routine that can be used to update the presentation material in the computer file based on the data structure, wherein the software module comprises the third routine.
  • the presentation material is such that it can be used with Microsoft PowerPoint.
  • a method of developing a computer program comprising the steps of: obtaining a software module that comprises: a first routine that can create a data structure containing information related to presentation material in a computer file; and at least one second routine that can be used to access the data structure; and incorporating the first routine and/or the at least one second routine into the computer program to thereby develop the computer program.
  • the data structure is arranged as a tree structure comprising a plurality of nodes interconnected by branches, wherein the nodes represent elements of the presentation material and/or attributes of the elements, and the branches represent an association between the elements and/or attributes.
  • the first routine is such that it is capable of retrieving the presentation material from the computer file.
  • the at least one second routine is such that a group of the nodes can be accessed as a single node.
  • the at least one second routine is such that it can be used to alter the attributes .
  • the at least one second routine is such that it can be used to alter a structure of the data structure.
  • the method comprises the step of creating a third routine that can be used to update the presentation material in the computer file based on the data structure, wherein the software module comprises the third routine.
  • a computer readable medium comprising the computer program according to the seventh aspect of the present invention.
  • the embodiment of the present invention comprises a computer system 1, which is illustrated in figure 1, that is in the form of a personal computer.
  • a computer system 1 that is in the form of a personal computer.
  • the present invention is not limited to being embodied in a personal computer, and could in fact be other forms of computing devices in alternative embodiments of the present invention.
  • the computer system 1 could, in alternative embodiments of the present invention, be in the form of a laptop computer or even a mainframe (server) computer.
  • the computer system 1 comprises traditional computer hardware such as a motherboard, random access memory, a hard disk, a video card, a power supply, a keyboard, mouse and a monitor.
  • the computer system 1 is loaded with an operating system in the form of Microsoft Windows XP.
  • the computer system 1 is loaded (on the hard disk) with several pieces of software that enable a software developer to develop a particular computer program (or user application) .
  • the first of these pieces of software is the J2SE Development Kit (JDK) from Sun Microsystems.
  • JDK is essentially a software development application that enables the software developer to develop Java applications.
  • the other piece of software loaded on the hard disk is a Java based API, which essentially provides various routines for enabling the software development to develop the Java applications such that they can access and manipulate presentation material contained in a Microsoft PowerPoint file.
  • the Java based API is basically a library of particular classes that can be incorporated (using the JDK) into the Java applications to enable the applications to readily extract the PowerPoint presentation material from the computer file, and create a data structure based on the visual representation of the PowerPoint presentation material .
  • branches 7c to 7f indicate that the shapes represented by dependant nodes 5d to 5g are contained in the slides 5b and 5c to which the nodes 5d to 5g are connected via the branches 7c to 7f .
  • branches 7g to 7j indicate that the text or images represented by nodes 5h to 5k are contained in the slides represented by nodes 5d to 5g.
  • the tree structure 3 effectively corresponds to the visual representation (structure) of the presentation material in the computer file.
  • the nodes 5 that represent elements can also be associated with one or more nodes 5 that represent attributes of the particular elements, which for nodes 5b and 5c includes details on the layout of the slide; for example, the layout details could be that the slide is either single or double column layout.
  • Table 1 sets out the various elements of a PowerPoint presentation and the attributes of the elements that can be represented by nodes 5.
  • the root node 3a representing a Presentation can be linked to one or more dependent nodes 5b and 5c that represent Slides in the presentation.
  • the dependent node 5b to 5c that represent Slides can be linked to one or more dependent nodes 5d to 5g that represent Groups or Shapes.
  • a Group can be considered a container to logically group Shapes and/or other Groups.
  • a node 5d to 5g representing a Shape can be linked to at most one node 5h to 5k representing Text and at most one node 5h to 5k representing a Picture.
  • a node 5h to 5k representing Text or a Picture must be linked to a node representing a Shape. It is noted that the previous notion of the nodes 5a to 5k being linked is effectively a reference to the branches 7a to 7j in the tree structure 3.
  • the library of classes in the Java API provides numerous classes (routines) that can be incorporated into the Java applications (using the JDK) to enable them to select and access the tree structure 3 - in particular the nodes 5 and their associated attributes.
  • the API is such that nodes 5 are selected from the tree structure 3 by using XPath expressions.
  • the tree structure 3 is actually represented as a software object.
  • the software object provides "select ⁇ ) " methods (routines) which can return the nodes 5 in the tree structure 3 that correspond to the information specified in the XPath expression.
  • the software object representing the tree structure 3 also provides "cut ()", “copy ()” and "paste ()” methods that enable structural changes to be made to the tree structure 3; for instance, the creation or deletion of nodes 5.
  • the Java API could be obtained by a user of the computer system 1 using one of several techniques.
  • the user could use the computer system 1 to download the Java API from a web site to the computer system 1.
  • the computer system 1 is loaded with a web browser, which can be used to log on to the web site and instruct the download of the Java API.
  • the computer system 1 comprises networking hardware and software that enables the computer system to exchange data via the internet.
  • a second technique that could be used to obtain the Java API is to obtain a CD-ROM loaded with the Java API .
  • the computer system 1 comprises a CD-ROM drive in to which the CD-ROM can be placed.
  • Attribute extends Node This class represents the string value of a property of an element in the DOM. Attribute objects are read-only. The value of an attributes can only be changed by using the appropriate setxxx ( ) method to change the underlying property value in the element node. Since Attribute values are a string representation they may not be identical in format to the raw property value obtained by calling the equivalent getxxx ( ) method in the element node. In particular, integer constants are converted to human readable strings based on the name of the constant. See Also: Constants
  • paste public void paste (Node node) This operation is not supported for this Node Overrides: paste in class Node Parameters: node - the node to add as a child
  • Node A string representation of this node The format is not part of the API and may change from release to release. It is therefore recommended that this method only be used for informational purposes (e.g. debugging) and not relied upon in any way. Currently this method returns the same value as Node . toXml ( ) .
  • ShapeOrGroup Translate the supplied rectangle in absolute coordinates into relative coordinates.
  • the relative coordinates are the coordinates of the bounding box required to make a shape appear at the given absolute position, allowing for any transforms that may be in place.
  • cut public void cut() Remove this node from its parent. All node properties and attributes remain unmodified. The node may be subsequently used in a paste (com. tonicsystems .pp .Node) operation to associate it with a new parent. Throws: java. lang. UnsupportedOperationException - if the node cannot be cut
  • the copy is a deep copy and includes all child nodes. Returns: the new node including any children Throws: j ava . lang . UnsupportedOperationException - if the node cannot be copied
  • String toString ( ) A string representation of this node. The format is not part of the API and may change from release to release. It is therefore recommended that this method only be used for informational purposes (e.g. debugging) and not rehed upon in any way. Currently this method returns the same value as toXml ( ) .
  • setPath public void setPath(java. lang. String path) Specify the path associated with this picture. Parameters: path - the path to the file, a URL, or a comment
  • This method uses lazy loading of the image data. When the presentation is written the image data is streamed directly from the image file into the presentation. Therefore the file must not be deleted before writing the presentation.
  • a class that represents a PowerPoint 97 presentation This is the class used to initially read a PowerPoint presentation and construct the document object model (DOM), that can be subsequently used to identify and manipulate PowerPoint objects.
  • DOM document object model
  • the document opened must be in PowerPoint 97 format.
  • This format is the native format used by all version of PowerPoint since PowerPoint 97 (i.e. PowerPoint 97-2002).
  • the input document can also be in the "PowerPoint 97-2000 & 95 Presentation", format. However when written, the document will always be written in the native format.
  • Constructor Summary Presentation ( ava . io . File f ) Create a new Presentation from the supplied File.
  • Presentation j ava . io . Pile f , boolean useNio
  • Presentation ava . io . InputStream in
  • Presentation ( av . io . InputStream in, boolean close) Create a new Presentation from the supplied InputStream.
  • nio option can only be selected when running the library using JRE 1.4 or later. If you are using an earlier JRE version and select to use nio, then a NociassDef FoundError is thrown.
  • a class that represents an XPath query This class provides an alternate interface to the Node . select (j ava . lanq . String) and Node . selectl (j ava . lang . String) functionality.
  • this class allows XPath queries to be parameterized using variables and saved for repeated use. Potentially the queries will execute more efficiently as the query string may not need to be reparsed on subsequent uses.
  • Map map new Hash ap ( ) ; map .put ( "ph” , "body” ) ;
  • List shapes q. select (p, map) ;
  • Variables within an XPath expression are denoted using the notation SvarName, and may refer to primitive XPath types (Boolean, Number or String), node-sets or individual nodes
  • contextNode the node to use as the basis for the query Returns: the list of selected nodes See Also: select (Ob ect , Map)
  • selectl public java.lang.Object selectl (java. lang.Object contextNode, java.util .Map variables)
  • Shape extends ShapeOrGroup
  • Shapes may serve as placeholders for text within a slide. All shapes with a placeholder value other than constants . PLACEHOLDER NONE have a child Text node. These shapes are displayed in PowerPoint with the text "Click to add Title” or “Click to add Text” when the text value has not been specified. In addition, placeholder shapes are used to generate the presentation outline view. Returns: the placeholder type constant See Also: Constants
  • the type of the shape defines its overall appearance, such a rectangle or a circle.
  • setFillColor public void setFillColor (java . awt . Color color) Set the foreground fill color Parameters: color - the foreground fill color " " See Also: qetFillColor ()
  • setFillBackColor public void setFillBackColo Japanese. awt. Color color
  • the background fill color is used when a pattern is used as the fill type. ' * Returns: the background fill. color
  • setFillType public void setFillType (int fillType) Set the fill type. Parameters: fillType - the fill type constant See Also: qetFillType () , Constants
  • the fill type determines the method of filling the shape. Returns: the fill type constant See Also: Constants
  • setFillOpacity public void setFillOpacity (double " value) Set the fill foreground opacity. Parameters: value - the fill opacity See Also: getFillOpacity ( ) 51
  • getFillOpacity public double getFillOpacity () Get the fill foreground opacity.
  • the opacity specifies the translucence of the fill.
  • An opacity of 1.0 means the fill is opaque and none of the background shows through.
  • An opacity of 0.0 means the fill is completely translucent and the background shows completely through - as if the shape were not filled at all.
  • setFillBackOpacity public void setFillBackOpacity (double value)
  • setLine public void setLine (boolean value) Set whether the shape has a border Parameters: value - whether the shape has a border
  • setSolidFill public static void setSolidFill (Shape shape, java. awt .Color color) Convenience method to set the fill color, the fill type and fill opacity Parameters: shape - the shape to effect a solid fill color - the color of the fill
  • Class ShapeOrGroup java. lang.Object 1—com.tonicsystems .pp.Node I—com.tonics s ems .pp. ShapeOrGroup
  • Coordinates are expressed in pixels, where the resolution is defined to be 576 dpi.
  • the x-axis is zero at the left edge of a slide and increases to the right.
  • the y-axis is zero at the top edge of the slide and increases downwards.
  • setRotation public void setRotatio (double rotation) Set the rotation of this shape or group. Parameters: rotation - the amount of rotation in degrees
  • the absolute coordinates are relative to the slide coordinates.
  • the bounding box coordinates are relative to any enclosing groups, and will be different from the absolute coordinates, if transforms have . been applied to any enclosing group.
  • getRelativeCoords public void getRelativeCoords (java. awt . Rectangle r)
  • getAbsoluteRotation public double getAbsoluteRotation () Get the absolute rotation of this shape or group.
  • the absolute rotation is the rotation relative to the shde rather than the enclosing group(s) (if any).
  • getBounds public ava.awt. ectangle getBounds () Returns the bounding box rectangle of this Shape or Group.
  • the bounding box defines the size of the shape or group. Shapes are drawn and groups are scaled to fit exactly within the bounding box. The returned rectangle is live - changes to the dimensions of the rectangle are reflected in the actual Shape or Group. The bounding box is not effected by rotation. It always is represented as if the rotation is at 0 degrees. Returns: the bounding box of the Shape or Group in pixels
  • This class represents a shde within the presentation.
  • This class represents a Text node. Text nodes are always children of shape nodes. A Shape node can have at most one text node.
  • setSufostring public void setSubstring (int beginlndex, int endlnde , j ava . lang . String replace) Replace a substring of the current value with the supplied value.
  • setValue java . lang. string
  • the replaced substring defines the formats. So if the replacement value is longer than the replaced value, then the format of the character at index position endlndex is extended.
  • Node Remove this node from its parent. All node properties and attributes remain unmodified. The node may be subsequently used in a Node .paste (com.tonicsystems .pp .Node) operation to associate it with a new parent.
  • Node .paste com.tonicsystems .pp .Node

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)

Abstract

L'invention concerne un système qui permet d'obtenir un matériau de présentation. Ce système comprend un moyen de traitement qui est conçu pour procéder aux étapes suivantes : création d'une structure de données contenant des informations relatives au matériau de présentation dans un fichier informatique ; et accès à la structure de données afin d'obtenir le matériau de présentation.
PCT/AU2005/000115 2004-02-12 2005-01-31 Systemes, procedes et progiciel permettant de manipuler des informations de presentation electronique WO2005078602A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US54481204P 2004-02-12 2004-02-12
US60/544,812 2004-02-12
AU2004902075 2004-04-19
AU2004902075A AU2004902075A0 (en) 2004-04-19 A software module, a method of developing a software module, and a method of developing a computer program

Publications (1)

Publication Number Publication Date
WO2005078602A1 true WO2005078602A1 (fr) 2005-08-25

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5781190A (en) * 1996-06-05 1998-07-14 Microsoft Corporation Method and system for transferring a slide presentation between computers
US5859623A (en) * 1996-05-14 1999-01-12 Proxima Corporation Intelligent display system presentation projection arrangement and method of using same
US5917480A (en) * 1996-06-04 1999-06-29 Microsoft Corporation Method and system for interacting with the content of a slide presentation
US6128629A (en) * 1997-11-14 2000-10-03 Microsoft Corporation Method and apparatus for automatically updating data files in a slide presentation program
US20020191013A1 (en) * 2001-06-15 2002-12-19 Abrams Stephen Alfred Method and system for incorporating a dynamic situation display in a powerpoint slide show presentation
US6564263B1 (en) * 1998-12-04 2003-05-13 International Business Machines Corporation Multimedia content description framework

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859623A (en) * 1996-05-14 1999-01-12 Proxima Corporation Intelligent display system presentation projection arrangement and method of using same
US5917480A (en) * 1996-06-04 1999-06-29 Microsoft Corporation Method and system for interacting with the content of a slide presentation
US5781190A (en) * 1996-06-05 1998-07-14 Microsoft Corporation Method and system for transferring a slide presentation between computers
US6128629A (en) * 1997-11-14 2000-10-03 Microsoft Corporation Method and apparatus for automatically updating data files in a slide presentation program
US6564263B1 (en) * 1998-12-04 2003-05-13 International Business Machines Corporation Multimedia content description framework
US20020191013A1 (en) * 2001-06-15 2002-12-19 Abrams Stephen Alfred Method and system for incorporating a dynamic situation display in a powerpoint slide show presentation

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