JP2008243025A - Information processor, method and computer program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the visibility of a marker object of a plurality of strokes to be marked by a coordinates input device in the information processor. <P>SOLUTION: An inputting means 2 has a display state of a graphic, a character or a locus and inputs a marker object for performing drawing at an instruction position of a pointer or a position of an approximation. A displaying means 1 displays a marker object. A measuring means 4 measures an elapsed time after inputting the marker object. A display changing means 5 changes a display state of brightness or the like of a line or plane constituting the marker object in accordance with the elapsed time measured by the measuring means 4. If the next marker object is input within a prescribed time after inputting the marker object during this change, the display changing means 5 makes a change in a display state according to the elapsed time of the prior marker object and the next marker object the same. This can improve the visibility of the marker object of a plurality of strokes to be marked. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an information processing apparatus, method, and computer program for displaying a marker object on a screen.

  Conventionally, coordinate input means such as a mouse or dedicated writing pointing device for writing a marker object on a screen, and screen display means for displaying a marker object such as a figure, a character, or a locus in accordance with an input from the coordinate input means There is an information processing apparatus. In this type of conventional information processing apparatus, when the display state such as the brightness, color, thickness, transparency, etc. of the lines or surfaces constituting the marker object written on the screen is usually written. Was also constant and remained unchanged over time.

  For this reason, in the conventional display method, it is not possible to know when the marker object is written from what has already been drawn, and it is impossible to determine which information is newer for the one written with the same pen. .

  Also, old written information or the like is not often referred to, which hinders the display of newly written information and affects the interpretation of the peripheral portion.

  In order to solve such a problem, the “object highlighting method and apparatus and storage medium” described in Patent Document 1 discloses a technique for highlighting by the elapsed time of a drawn object. As a method for changing the display state of such an object, the following method can be given.

The elapsed time immediately after the marker object trajectory is input is measured, and the luminance of the display color is lowered along with the elapsed time.
The elapsed time immediately after the marker object trajectory input is measured, and the thickness of the trajectory is reduced along with the elapsed time.
The elapsed time immediately after the marker object trajectory is input is measured, and when the predetermined time is exceeded, the trajectory is deleted.
While drawing the marker object, it does not fade out and gradually erases all after drawing.
When the trajectory of the marker object fades out, the entire trajectory does not change the same, but changes in a divided manner.
When the trajectory of the second marker object is input, the gesture command corresponding to the trajectory of the first marker object is invalidated.
As a command corresponding to the locus of the second marker object, a method such as a command for moving the locus of the first marker object is known.

  Further, when measuring the elapsed time of the marker object, the measurement is interrupted when the object is not displayed or when the object is not focused, or the measurement method is temporarily changed. And so on. As a result, it is possible to prevent the object from disappearing unintentionally or being unable to see the progress of the change in the display state of the object. Specifically, when a window in a computer screen on which an object is drawn is hidden by another window or the like and the object becomes invisible, it is possible to prevent the object from disappearing unnecessarily. Alternatively, in the case where the focus is on another window and the object is not being watched, it is possible to prevent the object from disappearing unnecessarily.

  Further, as a method for reproducing a marker object, the “communication conferencing apparatus” described in Patent Document 2 stores a marker object and can reproduce the marker from the stored marker object information when the display screen of the marker object is switched. Is disclosed.

JP 2000-89881 A Japanese Patent No. 3177027

  In recent years, video conference systems, electronic blackboard systems, small information terminals, and the like using large screen display devices have become widespread. As the input device, a mouse, tablet, digitizer, etc. are used. Especially in the digitizer that can input directly on the screen, it is similar to the operation of conventional writing instruments, so there are many scenes where characters, figures, etc. are input by handwriting. It has become to.

  However, according to the conventional method, the display state of the marker object is only changed for one locus of the marker object depending on conditions such as time. Therefore, even when marker objects are continuously input, the display state changes only for a single marker object. Although strokes for each stroke of characters and the like are different by handwriting input, they can be said to belong to the same group semantically. In other words, the conventional method has a drawback in that the display state changes for each stroke, so that the display state of a part of the characters changes even during the drawing of successive strokes of characters and the like. .

  Also, during continuous marker object drawing, even if part of the continuous marker object is hidden by other windows, etc., and is no longer displayed, the display state change of only a part of the continuous marker object is interrupted. Was only done. For this reason, there is a drawback that only the display state of some of the continuous marker objects having the same meaning changes.

  In addition, when the marker object has been drawn continuously, the marker object that was previously drawn may remain displayed when the marker object is drawn when the display state changes due to the elapsed time of the marker object. . For this reason, for example, when an annotation such as underlining is drawn with a marker object instead of character input, there is a drawback that it is difficult to know which marker object to watch.

  Further, when the marker object information is stored and reproduced, the display start and end timings differ for each marker object. For this reason, there is a drawback in that the display start and end timings for reproduction are not the same even when consecutive marker objects have the same meaning.

  The present invention has been made in view of the above problems, and in an information processing apparatus such as an electronic information display apparatus, display means and reproduction means for improving the visibility of a multi-stroke marker object marked with a coordinate input device. The purpose is to provide.

The information processing apparatus of the present invention has at least one display state of a figure, a character, or a trajectory, and has a marker object input means for drawing at a pointer indicated position or an approximate position, and a display for displaying the marker object Means, a measuring means for measuring an elapsed time after the input of the marker object, and a luminance change and a color change of a line or a surface constituting the marker object according to the elapsed time measured by the measuring means. An information processing apparatus that performs at least one of changing a thickness and / or changing a display state, wherein the display changing means includes a marker that is input within a predetermined time after the input of the marker object. When an object is input, the display state can be changed according to the elapsed time of the previous marker object and the next marker object. Characterized in that it is an intended.
The information processing apparatus of the present invention has a display state of at least one of a figure, a character, or a trajectory, displays a marker object input means for drawing at a pointer designated position or an approximate position, and displays the marker object Display means for measuring, measuring means for measuring an elapsed time after the input of the marker object, and change in brightness or color of a line or surface constituting the marker object according to the elapsed time measured by the measuring means Display change means for performing at least one of change, change in thickness, or change in display state, and before the change in the display state of the previously input marker object ends, When the next input marker object touches the previous marker object or is input within a predetermined neighborhood area, the previous marker object is input. Objects and change the display state corresponding to the elapsed time of the next marker object, characterized in that the same thing.
Also, the information processing method of the present invention has at least one display state of a figure, a character, or a locus, and displays a marker object input means for drawing at a pointer indicated position or an approximate position, and the marker object is displayed. Display means for measuring, measuring means for measuring an elapsed time after the input of the marker object, and change in brightness or color of a line or surface constituting the marker object according to the elapsed time measured by the measuring means An information processing method in an information processing apparatus having a display change means for performing at least one of change of thickness, change of thickness, and change of display state, wherein after the marker object is input, the next marker When an object is input, the display state according to the elapsed time of the previous marker object and the next marker object Characterized by the step of further identical.
Further, the computer program of the present invention has at least one display state of a figure, a character, or a locus, and displays marker object input means for drawing at a pointer indicated position or approximate position, and the marker object. Display means; measurement means for measuring an elapsed time after the input of the marker object; and change in luminance or color of a line or surface constituting the marker object according to the elapsed time measured by the measurement means. A computer program for causing a computer to execute an information processing method in an information processing apparatus having display change means for performing at least one of change, thickness change, and display state change, after input of a marker object When the next marker object is input within the specified time, the previous marker Characterized in that to perform the steps of the same ones to change the display condition corresponding to the object and the elapsed time of the next marker object in the computer.

According to the present invention, in the information processing apparatus, the marker objects of continuous strokes are grouped according to the time or position of the continuous strokes marked by the coordinate input device, and the display state changes are the same. Thereby, it can display easily for every marker object grouped.
In addition, when a part of the grouped marker object is hidden, it is possible to prevent the display state of only a part of the marker object from changing.
Further, when the marker object is drawn continuously, the next marker object is erased depending on the display state or elapsed time of the previously drawn marker object. As a result, for example, even when an annotation such as underlining is drawn with the marker object instead of character input, it is possible to prevent the peripheral portion of the marker object from being affected.
Further, even when the marker object information is stored and reproduced, the display can be started or ended in units of grouped marker objects, so that visibility can be improved even when there are a plurality of marker objects at the time of reproduction.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

(First embodiment)
FIG. 1 is an overall configuration diagram of an information processing apparatus to which the present invention is applied. In the figure, reference numeral 1 denotes a display means such as a display for displaying a marker object such as a figure, a character, or a locus.

  Reference numeral 2 denotes coordinate input means such as a mouse or a tablet for inputting a marker object or the like. Here, input means such as a digitizer capable of directly inputting coordinates on the display means 1 is also included. The coordinate input means 2 gives an instruction to draw a marker object at a pointer indicated position or an approximate position indicated by a mouse or the like.

  Reference numeral 3 denotes control means for controlling the information processing apparatus. In the control means 3, 4 is a measuring means for measuring the elapsed time after the marker object is input. Reference numeral 5 denotes a display changing unit that changes the display state of the marker object according to the elapsed time measured by the measuring unit 4. Reference numeral 6 denotes storage information reproduction means for reproducing the storage information stored by the information storage means 7.

  Reference numeral 7 denotes information storage means for storing a plurality of marker objects and display state change information corresponding to the elapsed time.

  FIG. 2 is a flowchart showing a processing procedure of marker object display control when the present invention is applied.

  First, in step S201, the information processing apparatus determines whether a marker object has been input. When a marker object is input, time is measured in step S202. As the time measuring means at this time, means such as using the system time or starting a timer can be considered.

  Next, in step S203, the information processing apparatus changes the display state of the marker object according to the elapsed time from step S202. Examples of changing the display state (change end state) include brightness, color, thickness, transparency, erasure of the marker object, non-display (non-display state) of the marker object, etc. is there. The change in the display state of the marker object is performed until the next marker object is drawn, the drawing routine ends, or the change in the display state of the marker object is not applied after a predetermined time has elapsed. At this time, the predetermined time for applying the display state change may be constant or set at an arbitrary timing.

  Next, in step S204, the information processing apparatus determines whether or not the next marker object has been drawn. If the next marker object has been drawn, the information processing apparatus measures the time of the marker object in step S205.

    Next, in step S206, the information processing apparatus compares the time measured in steps S205 and S202, and determines whether or not the time from drawing the previous marker object to drawing the next marker object is within a predetermined time. To do. If it is not within the predetermined time, the process returns to step S202. If it is within a predetermined time, the display state change timings of the previous marker object and the next marker object when the predetermined time elapses are set to be the same. At this time, the same set value can be arbitrarily set. For example, it may be the same as the previous drawing marker object or the same as the next marker object. In step S108, the information processing apparatus performs end determination. If not finished, the process returns to step S102 and enters the routine for changing the display state again.

  FIG. 3 is a flowchart in which marker object deletion processing is added when the result of comparison of the time from drawing the previous marker object to drawing the next marker object is not within a predetermined time in step S206 of the flowchart of FIG. is there. Note that a description of the same processes as those in the flowchart of FIG. 2 is omitted.

  In the case of FIG. 3, in step S307, when the change of the display state of the previous marker object is completed and the next marker object is drawn, the previous marker object is deleted.

  In the information processing apparatus according to the first embodiment, a plurality of marker objects having continuous strokes whose input time intervals are shorter than a predetermined time are grouped to change the display state according to the time intervals of successive strokes marked by the coordinate input device. Identical. Thereby, it can display easily for every marker object grouped. Further, by deleting unnecessary marker objects, it is possible to prevent the peripheral portion of the previously drawn marker from being affected.

(Second Embodiment)
The information processing apparatus according to the second embodiment described below uses the configuration shown in FIG. Therefore, the description is omitted. FIG. 4 is a flowchart showing a processing procedure of marker object display control when the present invention is applied.

  First, in step S401, the information processing apparatus determines whether a marker object has been input. When a marker object is input, time is measured in step S402. At this time, a means for using the system time or starting a timer can be considered.

  Next, in step S403, the information processing apparatus changes the display state of the marker object according to the elapsed time from step S402. As an example of changing the display state, there are brightness, color, thickness, transparency, erasure of the marker object, and the like of the line or surface constituting the marker object. The change in the display state of the marker object is performed until the next marker object is drawn, the drawing routine ends, or the change in the display state of the marker object is not applied after a predetermined time has elapsed. At this time, the predetermined time for applying the display state change may be constant or set at an arbitrary timing.

  Next, in step S404, it is determined whether or not the next marker object has been drawn. If it has been drawn, the time of the marker object is measured in step S405.

  In step S406, the information processing apparatus determines whether the display state of the previously drawn marker object has not been changed. If there is no change, the information processing apparatus returns to step S402. If the display state is changed in step S406, in step S407, the information processing apparatus determines whether the previously drawn marker object is in contact with the next drawn marker object. If so, the process proceeds to step S409. If not, in step S408, the information processing apparatus determines whether the position where the next marker object is drawn is within a predetermined range of the position where the previous marker object is drawn. If it is outside the predetermined range, the process returns to step S402. If it is within the predetermined range, the process of step S409 is performed. An arbitrary value can be set as the predetermined range at this time.

  In general, a method of measuring the distance between the end point of the previous marker object and the start point of the next marker object is used to determine whether or not it is in the vicinity of the predetermined range. In addition to this, a determination criterion such as whether a part of the next marker object touches the predetermined range or whether the entire area of the next marker object is within a certain range may be used here.

  In step S409, the timing of changing the display state of the previous marker object and the next marker object when a predetermined time elapses is set to be the same. At this time, the same set value can be arbitrarily set. In step S410, the information processing apparatus performs end determination. If not, the process returns to step S402.

  Here, FIG. 5 shows a marker object erasing process when it is determined in step S408 in the flowchart of FIG. 4 that the position where the next marker object is drawn is outside the predetermined range of the position where the previous marker object is drawn. It is the flowchart which added. Note that a description of the same processes as those in the flowchart of FIG. 4 is omitted.

  In the case of FIG. 5, if it is determined in step S508 that the previous marker object and the next marker object are not within a certain vicinity, the previous marker object is deleted.

  In the information processing device according to the second embodiment, the distance of the object is in contact with the drawn position of the previous marker object and the next marker object among the continuous strokes marked with the coordinate input device, or In the case of being in the predetermined vicinity region, a plurality of marker objects are grouped to make the display state change the same. Thereby, it can display easily for every marker object grouped. Further, by deleting unnecessary marker objects, it is possible to prevent the peripheral portion of the previously drawn marker from being affected.

(Third embodiment)
The information processing apparatus according to the third embodiment described below uses the configuration shown in FIG. Therefore, the description is omitted. FIG. 6 shows a screen display example of the marker object when the present invention is applied.

  In this figure, 11 is a display means such as a display for displaying a marker object or the like such as a figure, a character or a locus. The display 11 has a window 12 as an area for drawing a marker object. The marker object changes the display state according to the elapsed time.

  On the window 12, marker objects 13, 14 and 15 which are marker objects are drawn. Here, it is assumed that the marker objects 14 and 15 have already been changed in display state by the determination of the elapsed time or the distance between the marker objects.

  Here, the plurality of marker objects and the display state change information corresponding to the elapsed time are stored in the information storage unit 7, and the information stored by the storage information reproduction unit 6 is read out and reproduced, so that the display state is changed. Change information can also be reproduced.

  During playback, the display start / end timing for each object is generally played back. However, since the marker objects 14 and 15 in FIG. 6 are grouped so that the change in the display state is the same based on the above determination, the playback display start timing or playback end timing may be the same even during playback. .

  FIG. 7 is a diagram showing a state in which the marker object 14 on the window 12 is hidden by the window 16 different from the window 12 in FIG. 6 and only the marker objects 15 and 13 are displayed on the window 12. is there.

  The change in the display state of the marker objects 14 and 15 depends on the elapsed time. In this case, the change in the display state is temporarily stopped, and when the window 16 is moved or deleted from the marker object 14, the remaining elapsed time is reached. The corresponding display state change may be resumed.

  The display state change may be paused or resumed for each single marker object, or may be resumed or stopped for each grouped object.

  In the information processing apparatus according to the third embodiment, even when the marker object information is stored and reproduced, the display is started or terminated in units of the grouped marker objects, so that even when there are a plurality of marker objects, the information is visually recognized. Can be improved. In addition, when a part of the grouped marker object is hidden, it is possible to prevent the display state of only a part of the marker object group from changing.

  In order to realize the present invention, a storage medium in which a program code (computer program) of software that realizes the functions of the above-described embodiments may be used. In this case, the object of the present invention is achieved by supplying the storage medium to the system or apparatus, and the computer (or CPU or MPU) of the system or apparatus reads and executes the program code stored in the storage medium.

  In this case, the program code itself read from the storage medium realizes the functions of the above-described embodiments, and the program code itself and the storage medium storing the program code constitute the present invention.

  As a storage medium for supplying the program code, for example, a flexible disk, a hard disk, an optical disk, a magneto-optical disk, a CD-ROM, a CD-R, a magnetic tape, a nonvolatile memory card, a ROM, or the like can be used.

1 is an overall configuration diagram of an information processing apparatus according to an embodiment of the present invention. It is the flowchart which showed the process sequence of the marker object display control in the information processing apparatus which concerns on the 1st Embodiment of this invention. It is the flowchart which showed the process sequence of the marker object display control in the information processing apparatus which concerns on the 1st Embodiment of this invention. It is the flowchart which showed the process sequence of the marker object display control in the information processing apparatus which concerns on the 2nd Embodiment of this invention. It is the flowchart which showed the process sequence of the marker object display control in the information processing apparatus which concerns on the 2nd Embodiment of this invention. It is a figure which shows the example of a screen display in the information processing apparatus which concerns on the 3rd Embodiment of this invention. It is a figure which shows the example of a screen display in the information processing apparatus which concerns on the 3rd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 11 Display means 2 Input means 3 Control means 4 Measurement means 5 Display change means 6 Stored information reproduction means 7 Information storage means 12 Drawing window 13 Marker object 14, 15 Grouped marker object 16 Window

Claims (9)

Marker object input means that has at least one display state of a figure, a character, or a locus, and draws at a pointer indicated position or approximate position, display means for displaying the marker object, and input of the marker object Measuring means for measuring the elapsed time later, and changing the brightness, changing the color, changing the thickness, or displaying the line or surface constituting the marker object according to the elapsed time measured by the measuring means An information processing apparatus having display change means for performing at least one of change of the state,
When the next marker object is input within a predetermined time after the input of the marker object, the display changing means changes the display state according to the elapsed time of the previous marker object and the next marker object. An information processing apparatus characterized by that.   The display change means temporarily stops changing the display state according to the elapsed time of the plurality of marker objects, and resumes changing the display state according to the remaining elapsed time. Information processing device.   The information processing apparatus according to claim 1, wherein the display state change includes a display state change end state being a non-display state of the marker object.   The information storage means for storing a plurality of the marker objects and display state change information according to the elapsed time, and the stored information playback means for playing back the information stored in the information storage means. The information processing apparatus according to any one of 1 to 3.   5. The information processing apparatus according to claim 4, wherein the stored information reproduction unit starts displaying the previous marker object and the next marker object simultaneously.   5. The information processing apparatus according to claim 4, wherein in the stored information reproduction unit, the change of the display state of the previous marker object and the next marker object ends simultaneously. Marker object input means that has at least one display state of a figure, a character, or a locus, and draws at a pointer indicated position or approximate position, display means for displaying the marker object, and input of the marker object Measuring means for measuring the elapsed time later, and changing the brightness, changing the color, changing the thickness, or displaying the line or surface constituting the marker object according to the elapsed time measured by the measuring means An information processing apparatus having display change means for performing at least one of change of the state,
If the next input marker object touches the previous marker object or is input within the predetermined vicinity area before the change of the display state of the previously input marker object is completed, the previous marker object The information processing apparatus is characterized in that the change of the display state according to the elapsed time of the next marker object is the same. Marker object input means that has at least one display state of a figure, a character, or a locus, and draws at a pointer indicated position or approximate position, display means for displaying the marker object, and input of the marker object Measuring means for measuring the elapsed time later, and changing the brightness, changing the color, changing the thickness, or displaying the line or surface constituting the marker object according to the elapsed time measured by the measuring means An information processing method in an information processing apparatus having display change means for performing at least one of state changes,
When the next marker object is input within a predetermined time after the marker object is input, the display state change according to the elapsed time of the previous marker object and the next marker object is made the same. An information processing method characterized by the above. Marker object input means that has at least one display state of a figure, a character, or a locus, and draws at a pointer indicated position or approximate position, display means for displaying the marker object, and input of the marker object Measuring means for measuring the elapsed time later, and changing the brightness, changing the color, changing the thickness, or displaying the line or surface constituting the marker object according to the elapsed time measured by the measuring means A computer program for causing a computer to execute an information processing method in an information processing apparatus having display change means for performing at least one of state changes,
When the next marker object is input within a predetermined time after the marker object is input, the step of making the display state change according to the elapsed time of the previous marker object and the next marker object the same A computer program that is executed by a computer.

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