JP2000181436A - Document display device - Google Patents

Abstract

(57) [Summary] [Purpose] There are a plurality of multimedia documents composed of images and characters that are related to each other. Provided is a document display device that can be realized by a simple operation when it is desired to change the display size. A document display device includes a storage unit for storing a plurality of pieces of multimedia information, a display device, a display processing unit for generating display information, a document selection unit for selecting a document to be displayed, and a selection unit. Display area changing means for changing the display area of the selected document. When multiple related multimedia documents are displayed, if you select some documents, the display area change means will display only that document and delete other documents, or display other documents The enlarged part is also displayed. When an instruction to cancel the selection is given, the display returns to the state where the original documents are displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document display device for displaying a document composed of multimedia information such as images and characters on a display device.

[0002]

2. Description of the Related Art Conventionally, when there are a plurality of multimedia documents composed of images and characters, which are associated with each other and need to be simultaneously displayed on a display device, the display device is divided into a plurality of regions and each region is divided into a plurality of regions. Is used to display a document. In particular, H as a multimedia document
When handling a document described in the HTML language, it is possible to instruct to display a plurality of HTML documents by using the frame function of the HTML language. When using the frame function, the display screen is changed according to the instruction of the HTML document. It is divided and the layout results of a plurality of HTML documents are displayed on the display screen at the same time.

When it is desired to change the size of the display area of only some of the HTML documents displayed by the frame function and view them, a frame line conventionally used as a division of the plurality of display areas is used. Was clicked and moved with a mouse or the like to expand the area. There has also been a method of displaying only a specified document in a separate window.

Japanese Patent Application Laid-Open No. 7-298192 discloses a technique in which data written in an image memory is enlarged and read by a read address generated according to a specified image area and a specified magnification. However, in this method, the area of the image data is designated, and the content is displayed in an enlarged or reduced manner, which is different from the document display having a frame configuration according to the present invention.

[0005]

When the size of the display area of a document is to be changed, the method of grabbing the frame with a mouse or the like and moving the frame is performed by selecting the frame and determining the destination. Usually, there are a plurality of frame lines constituting the display area, and it is necessary to perform the same frame line moving operation many times, and the operation is complicated. This is effective when you want to slightly change the size of the display area, but it is not suitable for simply viewing a certain document in a wide area. Furthermore, this approach does not provide a means to restore the region to its original size.

[0006] In addition, the method of displaying a window in another window is a method that cannot be adopted in an apparatus having no window system. Furthermore, when a window system is used, at least information that configures the window of the original image and information that configures the newly generated window are required. In addition, a memory for storing information relating to information of all documents and the like in addition to the information is required.

[0007] A first object of the present invention is to realize a simple operation when only a part of a document is to be browsed while a plurality of documents are displayed, and to restore the original document. Is to provide a means. A second object is to provide a means for widening an area by a simple operation and restoring the original area when a user wants to view only a part of the document in a wide area while displaying a plurality of documents. It is. A third object of the present invention is to provide a means for displaying a part of a document in a wide area with a smaller amount of memory than in the related art even in a document display device having a small amount of mounted memory.

For example, the present invention can be applied to a portable information device having an Internet browser function for displaying multimedia information. In portable information devices that are carried around and used, simpler operations are desired. However, by applying the present invention, some of a plurality of documents can be displayed in a wide area by easy operations. In addition, portable information devices often have a smaller amount of memory than a personal computer. However, application of the present invention makes it possible to display some of a plurality of documents in a wide area even with a small amount of memory. .

[0009]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and has the following structure as one embodiment. That is, a storage unit for storing multimedia information, a display device for displaying, a display processing unit for generating display information, a document selection unit for selecting a document to be displayed, and a display area of the selected document. Is a document display device comprising a display area changing means for changing the display area.

According to the first aspect of the present invention, a storage unit for storing a multimedia document including characters, images, and the like, a display device for displaying the multimedia document, and displaying the multimedia document on the display device Document display device having a display processing unit for displaying all multimedia documents when the multimedia document to be displayed is an instruction to simultaneously display a plurality of multimedia documents on the display device. The document display device is characterized in that not only the multimedia document to be displayed but also a part of the multimedia document to be displayed can be selected and displayed on the display device.

According to a second aspect of the present invention, there is provided the document display apparatus according to the first aspect, wherein when displaying only some of the plurality of multimedia documents, other multimedia documents are displayed. The document display device is characterized in that a part of the displayed area is also used for displaying the part of the multimedia document and is displayed in a wide area.

According to a third aspect of the present invention, there is provided the document display device according to the first or second aspect, wherein a plurality of original multimedia documents are displayed from a state in which only some multimedia documents are displayed. The document display device can be returned to a state in which the document is displayed.

According to a fourth aspect of the present invention, in the document display device according to the second aspect, when a plurality of multimedia documents are displayed by dividing an area of the display device, only a part of the multimedia documents is displayed. When displaying, the dividing line that constituted the display area of the plurality of multimedia documents is moved to a position that constitutes the expanded display area part as a dividing line for indicating the enlarged display area part. A document display device for displaying.

According to a fifth aspect of the present invention, there is provided a storage unit for storing a document described in an HTML language and a multimedia document such as an image associated with the document, a display device for displaying the document, A document display device having a display processing unit for interpreting and displaying a document described in the HTML language on a display device, wherein the document described in the HTML language is converted into a document described in a plurality of HTML languages. If the content indicates to interpret and display on the display device, the document described in a plurality of HTML languages is changed from the state in which the document is displayed on the display device to the plurality of H files.
A document display device characterized in that only some of the documents described in the TML language can be selected and displayed on the display device.

According to a sixth aspect of the present invention, there is provided the document display device according to the fifth aspect, wherein when only a part of the documents described in a plurality of HTML languages is selected and displayed, another HTML is displayed. A document display device, wherein a display area of a document described in a language is erased and the entire display area is used for displaying the selected partial document.

According to a seventh aspect of the present invention, there is provided the document display apparatus according to the fifth aspect, wherein when only some of the documents described in a plurality of HTML languages are selected and displayed, the original document is again displayed. A document display device capable of returning to a state in which a document described in a plurality of HTML languages is displayed.

According to an eighth aspect of the present invention, there is provided the document display device according to the fifth aspect, wherein only a part of the documents described in a plurality of HTML languages is selected and displayed on the display device. By moving the dividing lines constituting the display area of the document described in each HTML language so that the display area of the selected document is widened, the selected HTML document is displayed in a wide area, It is possible to grasp which part of the selected document displayed on the display device in the state where the original document described in a plurality of HTML languages is displayed by the presence of the dividing line. Document display device.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS When a plurality of related multimedia documents are displayed on a display device, when a user selects only a part of the documents using the input device, only the documents are displayed on the display device. And other documents are not displayed. Further, when the user instructs to cancel the selection, the display returns to the original display state of the plurality of documents. In this way, by displaying only some of the plurality of documents on the same display area where the plurality of documents were displayed, the memory usage is reduced,
In addition, the functions can be realized by simple operations of selecting and deselecting a document, and an effect that operability is improved can be obtained.

Embodiment 1 Embodiment 1 of the present invention will be described with reference to the drawings. FIG. 1 shows a system configuration according to an embodiment of the present invention. The document display device of FIG. 1 includes a document reading unit 1, a document interpreting unit 2, a plurality of multimedia document simultaneous display determining units 3, a document arrangement information generating unit 4, a document selecting unit 5, an area frame movable determining unit 6, an area Frame moving unit 7, CPU 8, R
OM 9, display processing unit 10, display device 11, storage unit 12,
It is composed of an input device 13. In FIG. 1, a document to be displayed is read by a document reading unit 1, and the read document is interpreted by a document interpreting unit 2. Then, depending on the presence or absence of the symbol indicating simultaneous display included in the interpreted document,
A plurality of multimedia document simultaneous display determination units 3 determine whether there is a designation to simultaneously display a plurality of multimedia documents. As a result of the determination, when it is determined that there is a designation that the multimedia document is to be displayed at the same time, information on the display area for the document arrangement information generating unit 4 to display a plurality of documents is generated.

When an arbitrary document is selected from the displayed documents by the document selecting unit 5, the display processing unit 10 generates display data so that only the selected document is displayed, and the display data is displayed. I do.

When moving the area frame displaying the document when displaying the selected document, the area frame movable judgment unit 6 determines whether or not the area frame around the selected document can be moved. If it is determined that it is movable, the area frame moving unit 7 moves the area frame, and after the movement, the display processing unit 1
By 0, the selected document is displayed. The CPU 8 controls these units by executing the following programs stored in the ROM 9. The operation of each of the above units will be described in detail below with reference to flowcharts and the like.

FIG. 2 shows a display example in which only some documents displayed on the display device 11 are displayed. In FIG. 2, a state 21 shows a display example when all documents to be displayed are displayed on the same display screen. Other states are examples in which the display example of state 21 is displayed using the method of the present invention. State 22 indicates a case where only a single document is displayed, and state 23 indicates a case where two documents are displayed.

FIG. 3 is a flowchart of a process for determining whether or not a document to be displayed on the document display device of the present invention is an instruction to display a plurality of documents. FIG. 4 is a flowchart of a process for displaying a plurality of documents, and FIG. 5 is a flowchart for selecting only some of the documents displayed on the document display device of the present invention and displaying the selected documents on the display device. It is a flowchart of a process.

The processing method is as follows. First, it is detected that the document to be displayed is an instruction to display a plurality of documents. This process is shown in the flowchart of FIG. First, step S in FIG.
At 31, a document to be displayed is read into the storage unit 12. In step S32, the contents of the document are interpreted,
In step S33, it is determined whether an instruction to display a plurality of documents is included. When displaying a plurality of documents, information on a display area for arranging the documents is generated in step S34.

FIG. 6 shows an example of information in the display area. In FIG. 6, a column 61 indicates information on an identifier of an area where a document is arranged. Columns 62 and 63 show information on the start point and end point of the area. Column 64 indicates the name of the document corresponding to the area. In the example of FIG. 6, the coordinate system indicating the area is shown as a percentage, and can be specified regardless of the actual size of the document display area. That is, the upper left of the display area is (0, 0), and the upper right is (10, 0).
(0,0), lower left is (0,100), lower right is (100,1)
00).

First, when displaying all documents, FIG.
Is performed. In step S41 in FIG.
Based on the display area information generated in step S34, a label area of each document to be displayed on the display device 11 is generated. Then, in step S42, each document is displayed.

When selecting and displaying only some of the documents displayed in FIG. 4, the processing in FIG. 5 is performed. In FIG. 5, first, in step S51, an instruction to start document selection is given using the input device 13. Thereafter, the processing from step S52 to step S55 is repeated until the end of the document selection is instructed. In step S52, input using the input device 13 is performed. Next, step S53
It is determined whether the input indicates selection of a document. If the input indicates selection of a document, the selected document is stored in the storage unit 1 in step S54.
2 and the process returns to step S52. If the input is for instructing the end of document selection, the process proceeds to step S56. Otherwise, the process returns to step S52. In step S56, the storage unit 1 in step S54
2 is displayed on the display device 11, and the other documents are deleted.

(Second Embodiment) In the second embodiment, when only a part of the document is displayed in the document display device shown in the first embodiment, the part of the area where another document is displayed is also included in the document. Is used to display the document in a wide area. The second embodiment basically performs the same processing as the first embodiment. However, in the processing of FIG.
The difference is that the process shown in FIG. 7 is performed when only the document selected at 56 is displayed.

For example, a case in which the display area of each document is displayed on the display device 11 by being separated by a frame line will be described below. The process shown in FIG. 7 is a process for examining which document display area should be assigned as the display area of the document to be deleted and assigning the display area. First, in step S71, the positions of the four frames forming the display area of the document to be deleted are obtained.

Next, in step S72, it is checked whether each frame can be moved in a direction to reduce the area. The fact that the frame is movable means a state in which there is no frame with an end in contact with the frame in the direction in which the frame is to be moved. When the area 813 is narrowed in the state 81 in FIG. 8, the frame 814 may be moved downward, but the frame 814 is not movable because one end of the frame 815 is in contact with the lower part of the frame 814. But,
The frame 815 may be moved in the right direction, and there is no frame with an end in the right direction, so that the frame 815 can be moved. The other two sides constituting the area 813 are the outer frames of the display area and cannot be moved.

Subsequently, in step S73, each frame is moved so that the area of the region becomes zero. State 81 in FIG.
In the case where the area 813 is an area to be erased, the only frame that can be moved is the frame 815, and the area of the area 813 is moved by moving the frame 815 in the right direction to overlap the outer frame on the right side of the area 813. Becomes 0, and instead the area 812
Display area increases. The result is the state 82 in FIG. 8, where the area 811 becomes the area 821 without changing the area, the area 812 increases in area and becomes the area 822, and the area 813
Has an area of 0. Then, in step S74, the information of each display area having the structure shown in FIG. 6 is updated.
9, a table 91 indicates the area information before the display area is changed in FIG. Table 92 shows the area information after the change.

(Embodiment 3) Embodiment 3 is a state in which a plurality of original documents are displayed from a state in which only some selected documents are displayed with respect to the document display devices shown in Embodiments 1 and 2. This is an embodiment that can be returned to. When an instruction is given to return to the original display state using the input device 13 from a state in which only some documents are displayed, the display is restored. In the case of the first embodiment, all documents whose display has been deleted are displayed again to return to the original state. In the case of the second embodiment, it is restored by the following method. Taking FIGS. 8 and 9 as an example, FIG.
Not only the display area information of Table 92 but also the display area information of Table 91 is held. Then, when an instruction to return to the original display state is issued, the display area is erased, the display area is returned to the original based on the display area information shown in Table 91, and the frame and the document inside each display area are displayed. Is displayed again.

(Fourth Embodiment) In the fourth embodiment, when a plurality of documents are displayed by dividing the area of the display device 11 with respect to the document display device shown in the second embodiment, only some of the documents are displayed. In this embodiment, the dividing line constituting the display area of the document can be moved to a position constituting the display area and displayed as a dividing line for indicating the expanded display area portion. .

In the second embodiment, when the display is changed from the state 81 shown in FIG. 8 to the state 82, the frame 815 is not made to coincide with the right side of the area 813, but is made to be adjacent to the right side as shown in FIG. Deploy. As a result, Table 92 in FIG.
In the information of the display area shown in FIG. 11, the size of the area is changed by the thickness of the frame, for example, the information shown in the table of FIG.

(Embodiment 5) Embodiment 5 is an embodiment in which the document display device shown in Embodiment 1 is used and multimedia information to be handled is a document described in HTML language. In this embodiment, as in the case of the first embodiment, FIG.
3 and 4 are performed in the document display device having the system configuration shown in FIG. First, step S3 in FIG.
In step 1, a document described in the HTML language is read into the storage unit 12. Next, in step S32, the content of the document is interpreted, and in step S33, it is detected whether or not an instruction to display another HTML document is included. This is determined by whether or not the use of the frame function is specified in the HTML document. This is given for example in the following document:

(Document 1) <HTML> <FRAMESET COLS = "50%, 50%"> <FRAME SRC = "document1.html"> <FRAMESET ROWS = "40%, 60%"> <FRAME SRC = "document2" .html ”> <FRAME SRC =“ document3.html ”> 〈/ FRAMESET〉 〈/ FRAMESET〉 〈/ HTML〉

In document 1, FRAME and FRA
Since there is a description of MESET, it is determined that the frame function is used, and in step S34, display area information in the same format as in FIG. 6 for arranging each document is generated. In the case of the description of the document 1, the display area information shown in FIG. 12 is obtained.

FIG. 13 is a flowchart showing a process for obtaining the display area information of FIG. 12 from the description of FRAMESET and FRAME of the document 1. All of this processing is performed by the display processing unit 10. For each line of the document 1, first, in step S131, it is determined whether or not the description is FRAMESET. With FRAMESET,
In step S132, a display area is generated. Next, in step S133, it is determined whether or not there is a specification of COLS. If specified, step S13
At 4, the area is divided according to the designation. Next, in step S135, it is determined whether there is a ROWS designation. If specified, the area is divided in step S136 according to the instruction.

In step S131, FRA
If it is determined that the description is not a MESET description, step S
At 137, it is determined whether or not the description is FRAME. If it is determined that the description is a FRAME description, in step S138, the document specified by the description is allocated to an area to which no document has been allocated.

FIG. 14 is a schematic diagram in which the processing in the above process is associated with a display area. FRAMESET and FRAM
The state of the area changes from the state 141 to the state 146 according to the instruction by E. States 143, 145, 14
6 indicates that the shaded area is associated with the document, and the information of the area is stored as the display area information shown in FIG.

After the display area information is obtained, the processing proceeds according to the procedure shown in FIG. Step S41 of FIG.
It is determined that the arrangement of each document is performed as shown in FIG. Next, in step S42, a document is displayed according to the arrangement shown in FIG. Further, when only some of the displayed documents are displayed, the same processing as in the first embodiment is performed.

(Embodiment 6) According to the sixth embodiment, when only a part of the document is displayed on the document display device shown in the fifth embodiment, the area of another document is also displayed on the document. Is used to display the document in a wide area. This method is basically the same as the method of the fifth embodiment, except that, in the processing of FIG. 5, when only the document selected in step S56 is displayed, the processing shown in FIG. Is different. The processes after step S71 in FIG. 7 are the same as those in the second embodiment.

(Embodiment 7) Embodiment 7 is an embodiment in which the document display device shown in Embodiments 5 and 6 can return from a state in which only some documents are displayed to an original display state. In the case of the fifth embodiment, all the documents whose display has been deleted are displayed again to return to the original state. In the case of the sixth embodiment, it is restored by the following method. 8 and FIG. 9 as an example, FIG.
Not only the display area information of Table 92 but also the display area information of Table 91 is held. Then, when an instruction is given to return to the original display state, the display area is erased, the display area is restored based on the display area information shown in Table 91, and the frame and the document inside each display area are returned. Is displayed again.

(Eighth Embodiment) In the eighth embodiment, with respect to the document display device shown in the sixth embodiment, when a plurality of documents are displayed by dividing the area of the display device 11, only some of the documents are displayed. In this embodiment, the dividing line constituting the display area of the document is moved to a position constituting the display area as a dividing line for indicating the expanded display area, and is displayed. This is similar to the case of the fourth embodiment. For example, when the display is changed from the state 81 of FIG.
This is realized by disposing as shown in FIG.

[0045]

According to the document display device of the first aspect, when the multimedia document to be displayed is the content instructing the simultaneous display of a plurality of multimedia documents on the display device, only some of the documents are displayed. Can be displayed, and the document of interest can be easily recognized.

According to the document display device of the second aspect, an area in which another document not to be displayed is displayed can be allocated for document display.
A display with good visibility using a wider area can be performed.

According to the document display device of the third aspect, a state in which only a part of the document is displayed or a state in which the document of interest is displayed by using a wider area is changed to a plurality of original documents. Since the document can be returned to the displayed state, it is possible to easily and easily display only a part of the document with good visibility.

According to the document display device of the fourth aspect, when displaying only a part of the documents, the dividing line of the display area in the original display state is changed but the position is kept displayed. By looking at the display state, it is easy to see in which area the document is changed in the display area.

According to the document display device of the fifth aspect, especially when the document is described in the HTML language and a plurality of HTML documents are simultaneously displayed by the frame function, only an arbitrary one of the documents is displayed. The selected document can be displayed, and the document of interest can be easily recognized.

According to the document display device of the sixth aspect, particularly when the document is described in the HTML language, an area displaying another document not to be displayed can be allocated for displaying the document. With respect to the document being displayed, display with good visibility using a wider area can be performed.

According to the document display device of the present invention, especially when the document is described in the HTML language, only a part of the document is displayed, or the document of interest is displayed in a wide area. Can be returned to the original display state in which a plurality of documents are displayed, so that only a part of the documents can be easily and freely displayed.

According to the document display device of the present invention, particularly when the document is described in the HTML language, when displaying only a part of the document, the dividing line of the display area in the original display state is positioned. Although it has been changed, it is kept displayed,
By looking at the display state, it is easy to know in which area the document has been changed in the display area.

[Brief description of the drawings]

FIG. 1 is a diagram showing a system configuration of a document display device according to an embodiment of the present invention.

FIG. 2 is a diagram showing an example of a display state when the document display device according to the embodiment of the present invention displays a plurality of documents.

FIG. 3 is a flowchart illustrating an operation of determining whether to display a plurality of documents.

FIG. 4 is a flowchart illustrating an operation when all documents are displayed in the first embodiment of the present invention.

FIG. 5 is a flowchart illustrating an operation of selecting a document and displaying only the selected document.

FIG. 6 is a diagram illustrating an example of document arrangement information.

FIG. 7 is a flowchart illustrating an operation of a process of moving a frame forming a document area according to the second embodiment of the present invention.

FIG. 8 is a diagram showing how the display of the display area is changed by moving the frame.

FIG. 9 is a diagram illustrating a state in which document layout information is changed by moving a frame.

FIG. 10 is a diagram illustrating a display state when a frame is moved without overlapping another frame.

FIG. 11 is a diagram illustrating document arrangement information when a frame is moved without overlapping another frame.

FIG. 12 is a diagram illustrating an example of document arrangement information according to a fifth embodiment of the present invention.

FIG. 13 is a flowchart illustrating an operation of a process for generating document arrangement information according to the fifth embodiment of the present invention.

FIG. 14 is a schematic diagram illustrating a case where the processing illustrated in FIG. 13 is performed on the document 1 described in the HTML language.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Document reading part, 2 ... Document interpretation part, 3 ... Multimedia document simultaneous display determination part, 4 ... Document arrangement information generation part, 5 ... Document selection part, 6 ... Area frame movable judgment part, 7 ...
Area frame moving unit, 8 CPU, 9 ROM, 10 display processing unit, 11 display device, 12 storage unit, 13 input device.

Claims (8)

[Claims] 1. A storage unit for storing a multimedia document including characters, images, and the like, a display device for displaying the multimedia document, and a display processing unit for displaying the multimedia document on the display device. In the document display device having, when the multimedia document to be displayed is a content instructing to simultaneously display a plurality of multimedia documents on the display device, not only to display all multimedia documents, A document display device wherein only a part of multimedia documents to be displayed can be selected and displayed on a display device. 2. The document display device according to claim 1, wherein when only a part of the plurality of multimedia documents is displayed, another multimedia document is displayed. A document display device for displaying a part of the multimedia document in a wide area. 3. The document display device according to claim 1, wherein a state in which only some multimedia documents are displayed is returned to a state in which a plurality of multimedia documents are displayed. A document display device characterized in that the document display device can be used. 4. The document display device according to claim 2, wherein, when a plurality of multimedia documents are displayed by dividing an area of the display device, only a part of the multimedia documents is displayed. Moving the dividing line that constituted the display area of the plurality of multimedia documents to a position that constitutes the expanded display area part as a dividing line for indicating the enlarged display area part and displaying the divided line. Document display device. 5. A storage unit for storing a document described in the HTML language and a multimedia document such as an image associated with the document, a display device for displaying the document, and the display device displaying the HTML. A document display device having a display processing unit for interpreting and displaying a document described in a language, wherein the document described in the HTML language interprets a document described in a plurality of HTML languages and displays the document. When the content is an instruction to be displayed on a device, a part of the document described in the plurality of HTML languages is changed from a state in which the document described in the plurality of HTML languages is displayed on the display device. A document display device capable of selecting and displaying only the document on the display device. 6. The document display device according to claim 5, wherein when selecting and displaying only some of the documents described in a plurality of HTML languages, the document is described in another HTML language. A document display device wherein a display area of a document is deleted and the entire display area is used for displaying the selected partial document. 7. The document display device according to claim 5, wherein when only some of the documents described in a plurality of HTML languages are selected and displayed, the original plurality of HTMs are again displayed.
A document display device capable of returning to a state in which a document described in L language is displayed. 8. The document display device according to claim 5, wherein when selecting only a part of the documents described in a plurality of HTML languages and displaying the selected document on the display device, each HTML document is displayed.
The selected HTML document is displayed in a wide area by moving a dividing line constituting a display area of the document described in the language so that the display area of the selected document is widened, and the dividing line is displayed. The selected document displayed on the display device due to the presence of the
A document display device capable of grasping which part is displayed while a document described in ML language is displayed.