WO2007004455A1

WO2007004455A1 - Content display magnification setting method, content display magnification setting program, and terminal

Info

Publication number: WO2007004455A1
Application number: PCT/JP2006/312710
Authority: WO
Inventors: Hajime Morita; Takuya Harakawa
Original assignee: Access Co., Ltd.
Priority date: 2005-06-30
Filing date: 2006-06-26
Publication date: 2007-01-11

Abstract

A method for setting the magnification of a content displayed on a terminal having a bit-map font comprising a font size acquiring step of interpreting the content data created in a vector image description language and acquiring a font size from the content data and a display magnification setting step of setting the display magnification of the content by comparing the acquired font size with the bit-map font size.

Description

Specification

Content display magnification setting method, content display magnification setting program, and terminal device

Technical field

[0001] The present invention relates to content displayed on a terminal having a bitmap font or a scalable font, and a content display magnification setting method and a content display magnification capable of appropriately setting the display magnification without changing the layout The present invention relates to a setting program and a terminal device.

Background art

[0002] In recent years, with the rapid spread of networks represented by the Internet and the development of technology, users have not only PCs (Personal Computers) such as desktops and laptops, but also mobile phones and PDAs (Personal Digital). Assistance), home appliances, car navigation devices, and other information terminals can be used to browse information on the network. These information terminals incorporate information browsing software (hereinafter referred to as browser). The browser interprets a markup language document described in, for example, HTML (Hyper Text Markup Language), and then performs a layout process based on the interpretation result in Information (eg web content) is displayed (ie rendered). For example, Japanese Unexamined Patent Application Publication No. 2003-296233 discloses a mobile phone that can display a website. In recent years, mobile phones can display various web contents due to the improvement in performance. Note that markup language documents that can be rendered by such browsers are not limited to online ones but also include offline ones.

[0003] Generally, a mobile phone has a lower processing capacity of its control unit than a PC. For this reason, some mobile phones use bitmap fonts in consideration of the processing burden on the control unit. In addition, mobile phones have less memory capacity than PCs. Therefore, in such a mobile phone, the number of bitmap fonts stored in the memory is limited. [0004] Note that bitmap fonts are fonts that represent characters and symbols by using a square dot (dot) arrangement pattern prepared in advance. In this specification, the character data stored in the recording medium and the character data included in the content data are referred to as “fonts”, and the characters displayed on the screen are referred to as “characters” (or a collection of such characters). Is referred to as a “character string”).

[0005] For example, Japanese Patent Application Laid-Open No. 2002-156957 discloses a mobile phone in which bit map fonts of a plurality of sizes are stored in the memory. In the mobile phone disclosed in Japanese Patent Laid-Open No. 2002-156957, the medium fonts of a plurality of sizes are selected from the optimal sizes and displayed on the display unit. Such a mobile phone is considered to display content composed of vector data, for example, as follows. For example, the content is scaled and displayed so as to fit within the display screen in the width direction. At this time, the image is scaled and displayed at a size according to the display magnification. Also, select a bitmap font with the size that can be optimal for the content after scaling, and display the characters.

Disclosure of the invention

[0006] FIG. 1 (a) and FIG. 2 (a) show an example of content displayed at a predetermined set display magnification on the screen of a mobile phone. In these examples, a bitmap font having the same size as the font size (hereinafter, abbreviated as setting display magnification size) at a predetermined setting display magnification is stored in the memory of the mobile phone. Therefore, the bitmap font originally provided in the mobile phone is displayed as a character string of the same size. The layout of the image and text is displayed as intended by the content provider. For this reason, the user views content in which characters are formed with an appropriately combined dot pattern (that is, in a highly visible state) and each object (that is, image, character string, etc.) is appropriately laid out. be able to.

However, as described above, the size of the bitmap font stored in the memory of the mobile phone is limited. Therefore, unlike the above example, if the font that matches the set display magnification size is not stored in the memory of the mobile phone, or if the display magnification setting is changed from the above example, the following problems will occur. obtain. The problem will be described with reference to Figs. L (b) to (d) and Figs. 2 (b) to (d). [0008] FIG. 1 (b) shows a case where, for example, the size of the set display magnification is smaller than the above setting display magnification size in the memory of the mobile phone, the size is not stored, or an appropriate size out of the selectable sizes. This is an example of content displayed on the screen of a mobile phone when (for example, the size closest to the set display magnification size) is smaller than the set display magnification size. FIG. 2 (b) shows, for example, a case where a font larger than the set display magnification size is not stored in the memory of the mobile phone, or an appropriate size is larger than the set display magnification size. It is an example of the content displayed on the screen of a mobile telephone in a case. In Fig. 1 (b) and Fig. 2 (b), the mobile phone is operating to draw a string from the position specified in the markup language document.

[0009] In the case of Fig. 1 (b), "Plant" and the character string are composed of a font! / And a font smaller than the set display magnification size. For this reason, the character string is displayed in the left corner of the mobile phone screen (or the original drawing area (box) specified in the markup language document). In the case of Fig. 2 (b), the character string "Plant" consists of a font larger than the set display magnification size. For this reason, the character string is displayed in a state of protruding from the box.

[0010] FIG. 1 (c) shows a case where a font of a size smaller than the set display magnification size is not stored in the memory of the mobile phone, for example, or an appropriate size (for example, the closest size) is set as described above. It is an example of content displayed on the screen of a mobile phone when the display magnification size is smaller. FIG. 2 (c) shows a case where, for example, a font having a size larger than the set display magnification size is not stored in the memory of the mobile phone, or an appropriate size is larger than the set display magnification size. This is an example of content displayed on the screen of a mobile phone when it is large. In Fig. 1 (c) and Fig. 2 (c), the mobile phone operates to draw a character string while maintaining the relative position of each character in Fig. 1 (a) and Fig. 2 (a)! / .

[0011] In the case of Fig. 1 (c), "Plant" and the character string consist of a font that is smaller than the set display magnification size! /. For this reason, the space between characters is unnaturally wide with respect to the font size. In the case of Fig. 2 (c), the character string "Plant" consists of a font larger than the set display magnification size. For this reason, the character string is displayed in a state where each character partially overlaps and protrudes from the box. [0012] In the examples of FIGS. 1B, 1C, 2B, and 2C, only the image is displayed in a size according to the content setting display magnification. For this reason, the scaling factors of the image and the character string are different from each other. Therefore, the layout of images and character strings will be different from what the content provider intended.

[0013] FIG. 1 (d) shows a case where a font of a size smaller than the set display magnification size is not stored in the memory of the mobile phone, for example, or an appropriate size (for example, the closest size) is set as described above. It is an example of content displayed on the screen of a mobile phone when the display magnification size is smaller. FIG. 2D shows a case where, for example, a font having a size larger than the set display magnification size is not stored in the memory of the mobile phone, or an appropriate size is larger than the set display magnification size. This is an example of content displayed on the screen of a mobile phone when it is large. In Fig. 1 (d) and Fig. 2 (d), the mobile phone displays a character string in a size according to the setting display magnification size. For this reason, the content provider's intention is reflected in the layout of images and character strings. However, in these examples, the following problems occur.

[0014] In the case of Fig. 1 (d), the mobile phone enlarges and displays a small font of its own size so that it is equivalent to the font of the set display magnification size. Here, the characters after scaling display are obtained by enlarging the dot pattern, which is optimal for the original size, so as to match the set display magnification size. Therefore, depending on the enlargement ratio, the character thickness may be unnatural. In addition, since the curve portion was originally expressed with a small number of dots, the dot feeling becomes conspicuous and unnatural when enlarged. In some cases, some dots may be inappropriately separated from each other and the shape of the character may be lost. As a result, the visibility (readability) of the character to the user may be reduced.

[0015] In the case of FIG. 2D, the mobile phone displays a reduced size font of its own size so that it is equivalent to the font of the set display magnification size. Here, the character after the scaling display is obtained by reducing the dot pattern that was optimal in the original size so as to fit the set display magnification size. Therefore, depending on the reduction ratio, the character thickness may be partly unnatural or the dot may be noticeable in the curved part. In some cases, some dots are improperly combined and the characters are crushed. May be reduced.

That is, if the character visibility is maintained, the image and the character cannot be displayed in the original layout, whereas if the image and the character are displayed in the original layout, the character visibility is maintained. I couldn't do it.

Here, it is also conceivable that the user finely adjusts the setting display magnification so as to maintain both the character visibility and the layout described above by operating the mobile phone. However, such adjustment is extremely difficult and cannot be said to be a practical solution.

[0018] Some mobile phones employ scalable fonts. A scalable font is a font that expresses characters and symbols using the coordinates of a reference point and a collection of contour lines (ie, vector data). Unlike the bitmap font, this scalable font does not assume a specific size. For example, when the content is scaled, the characters of the scalable font are scaled in the same way. Therefore, the content layout is maintained. In addition, because scalable fonts are vector data, they do not become low-visibility characters with a noticeable dot feeling after scaling.

However, if the display magnification of the content is low, characters may be crushed even in a scalable font. In such a case, the visibility of the characters to the user may be reduced as in the case of the bitmap font.

[0020] Therefore, in view of the above circumstances, the present invention suppresses a decrease in the visibility of a character (in addition to displaying the character in a state with a high visibility), while the character and the image are originally displayed. It is an object of the present invention to provide a content display magnification setting method, a content display magnification setting program, and a terminal device that can be displayed in a layout.

[0021] A content display magnification setting method according to an aspect of the present invention that solves the above problem is a method of setting a magnification of content displayed on a terminal having a bitmap font. This method interprets content data created in a vector image description language, and obtains a font size as one of the main forces of the content data, and the acquired font size and bitmap font size. And a display magnification setting step for setting the display magnification of the content based on the result of the comparison [0022] A content display magnification setting method according to another aspect of the present invention that solves the above-described problem is a method of setting the magnification of content displayed on a terminal having a bitmap font. In this method, a gaze step is performed to gaze at any point in the content created in the vector image description language. Displayed in the area where you speak! The font size acquisition step for acquiring the font size of the character to be read, and the acquired font size and the bitmap font size are compared, and based on the result of the comparison, the display magnification of the content is determined. A display magnification setting step to be set.

[0023] A content display magnification setting method according to another aspect of the present invention that solves the above-described problem is a method of setting the magnification of content displayed on a terminal having a bitmap font. This method includes a focus step for focusing on any object in the content created in the vector image description language, a font size acquisition step for acquiring a single font size based on the focused object, and a focus size acquisition step. A display magnification setting step of comparing the font size with the bitmap font size and setting the display magnification of the content based on the comparison result.

[0024] A content display magnification setting method according to another aspect of the present invention that solves the above problem is a method of setting a magnification of content displayed on a terminal having bitmap fonts of a plurality of sizes. It is. This method interprets content data created in a vector image description language, obtains a font size from the content data, and a preset font size from a plurality of bitmap font sizes. Compare the acquired font size with the selected setting size and set the display magnification of the content based on the comparison result. Display magnification setting step.

[0025] A content display magnification setting method according to another aspect of the present invention that solves the above problem is a method of setting the magnification of content displayed on a terminal having a plurality of types of scalable fonts. This content display magnification setting method is based on a font detection step for interpreting content data created in a vector image description language and detecting the type of font included in the content, and on the type of detected font. Display magnification setting step for setting the display magnification of the content. Here, the detected type It is also possible to set the display magnification of the content so that the font is displayed at a predetermined size.

[0026] A content display magnification setting method according to another aspect of the present invention that solves the above-described problem is a method for setting the magnification of content displayed on a terminal having a plurality of types of scalable fonts. This content display magnification setting method interprets content data created in a vector image description language, selects a font from the content data, and selects the font according to the selected font type. A display magnification setting step for setting the display magnification of the content.

[0027] A content display magnification setting program according to an aspect of the present invention that solves the above problems is a program for causing a computer to execute the content display magnification setting method described in any of the above.

[0028] Further, a terminal device according to an aspect of the present invention that solves the above-described problems includes a control unit that executes any one of the above-described content display magnification setting methods. Brief Description of Drawings

FIG. 1 is a diagram showing an example of content displayed on a screen of a conventional mobile phone.

FIG. 2 is a diagram showing an example of content displayed on a screen of a conventional mobile phone.

FIG. 3 is a diagram showing an appearance of a terminal device according to Embodiment 1 of the present invention.

FIG. 4 is a block diagram showing a configuration of a terminal device according to Embodiment 1 of the present invention.

FIG. 5 is a flowchart showing content display processing executed by the terminal device according to the first embodiment of the present invention.

FIG. 6 is a diagram showing an example of content displayed on the screen of the terminal device according to the first embodiment of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

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

Example 1

FIG. 3 is a diagram showing an appearance of the terminal device 10 according to the first embodiment of the present invention. FIG. 4 is a block diagram illustrating the configuration of the terminal device 10 according to the first embodiment. In Example 1, the terminal device 10 is assumed to be a mobile phone. PHS (Personal Handy phone System), etc. It can be replaced with other small mobile terminals.

As shown in FIGS. 3 and 4, the terminal device 10 includes a CPU (Central Processing Unit) 100, a ROM (Read Only Memory) 102, a RAM (Random Access Memory) 104, an antenna 106, and a communication unit. 108, a display 110, and an input interface unit 112.

The CPU 100 controls the terminal device 10 overall. The ROM 102 stores various types of data. An example of the program stored in the ROM 102 is a browser. In the first embodiment, the browser supports not only HTML documents but also vector image description languages such as SVG (Scalable Vector Graphics) documents. The data stored in the ROM 102 includes, for example, bitmap font data. Here, as described above, the capacity of the mobile phone memory (ROM 102 here) is small. For this reason, in the first embodiment, the ROM 102 stores bitmap fonts having only three patterns of, for example, “large”, “medium”, and “small” sizes. The “large” size is, for example, 28 points, the “medium” size is, for example, 18 points, and the “small” size is, for example, 8 points. The bit map font with! /, N (n is a natural number) points in the first embodiment is a bit map font that is expressed within the range of n x n pixels! Yes. CPU 100 knows the actual number of pixels in each bitmap font on display 110. That is, recognize that this is a bitmap font with a “large” size of 28 x 28 pixels, a “medium” size of 18 x 18 pixels, and a “small” size of 8 x 8 pixels! /

The RAM 104 is a development destination of various programs stored in the ROM 102, for example.

The CPU 100 reads a program (for example, a browser) stored in the ROM 102, expands it in a predetermined area of the RAM 104, and executes it.

The communication unit 108 receives necessary ones from radio waves captured by the antenna 106 in response to a predetermined operation of the input interface unit 112 by the user, for example. The input interface unit 112 includes input keys for inputting characters, numbers, symbols, and the like. The input keys include, for example, a direction instruction key 114 and an enter key 116. For example, the direction indication key 114 is displayed on the screen as one of “up”, “down”, “left”, or “right”. For example, you can move the cursor and caret) and scroll the screen

. The determination key 116 is a device for executing an object (for example, a hyperlink displayed as an image or a character string) selected by the direction instruction key 114, for example.

Here, when the received data is, for example, an SVG document, the CPU 100 activates the SVG browser to start the rendering process shown below, and displays the content (content) on the display 110.

[0037] The rendering process of the SVG browser will be described. The SVG browser has a parser, page maker, and formatter as its basic functional blocks. These functional blocks sequentially execute processing on markup language documents as follows. The parser parses the logical structure of the markup language and generates a document tree for that structure. Based on the generated document tree, the page maker generates a layout tree including information on the expression format determined by each tag. Based on the generated layout tree, the formatter performs layout using information related to the actual display screen such as the display screen width.

[0038] For example, the SVG browser renders the SVG document by setting the entire content to a size that fits within the screen of the display 110. Also, for example, the content size is set to fit within the screen in the width direction, and the SVG document is rendered. Also, for example, the content is displayed in the original size (specified in the SVG document !, the size in which the virtual coordinate system is the same as the absolute coordinate system on the screen). Render the SVG document. The content is displayed over one screen or several screens by these processes.

[0039] Here, since the content data has SVG document power, the size of images and characters that can be displayed on the screen is specified by a size in a virtual coordinate system, and specified by an absolute size on the screen. It has not been. For this reason, the image is displayed in a clear (inconspicuous dot feeling) state regardless of the size set according to the screen size as described above. On the other hand, characters are displayed using bitmap font data stored in ROM102. In other words, it is displayed using data with an absolute size on the screen. In the conventional terminal device, as shown in FIGS. 1 (b), (c), 2 (b), and (c). Displayed in a different state from the original layout. Or, it was displayed with a noticeable dot as shown in Fig. 1 (d) and Fig. 2 (d).

[0040] The terminal device 10 according to the first embodiment displays the character and the image in the original layout while suppressing a decrease in the visibility of the character by executing the content display process shown below. Can do. As a result, the user can comfortably browse the content reflecting the intention of the content provider.

FIG. 5 is a flowchart showing a content display process executed by the terminal device 10 of the first embodiment (more precisely, an SVG browser operating under the control of the CPU 100). The content display process according to the first embodiment is executed when a content composed of a vector image description language such as an SVG document is displayed on the display 110. In the first embodiment, it is assumed that content that also has SVG document power includes images and character strings! /.

[0042] First, when a user operates the interface unit 112 to specify a URL (Uniform Resource Locator) to access web content, for example, SVG document data described in SVG is acquired via the network, and the RAM 104 is temporarily stored (step 1: YES, step is abbreviated as “S” in the following specification and drawings). Next, the process proceeds to S2, and the acquired SVG document is interpreted (S2). Then, it is determined whether the display magnification setting mode is on or off (S3). The display magnification setting mode is a mode for appropriately setting the content display magnification.

[0043] The display magnification setting mode is turned on or off according to the conditions listed below, for example.

(1) User settings

(2) Whether the corresponding size is stored in ROM102

(3) Specification in SVG document

(4) Number of characters and exclusive area ratio of characters

[0044] Examples of the above conditions will be described.

<(1) User settings>

The user setting is a setting made by a user operation. For example, user power S interface The display magnification setting mode can be set to on or off according to the preference by operating one face portion 112. Such setting information is stored in the RAM 104, for example.

[0045] <(2) Whether the corresponding size is stored in ROM102>

In this case, the SVG browser refers to the interpretation result of the SVG document, and stores the bitmap font (!) Stored in ROM 102 in several font sizes specified by the tag in the SVG document. It is determined whether or not a size matching any one of “Large”, “Medium”, and “Small” sizes is included. If the SVG browser determines that any font size that matches one of the bitmap fonts (hereinafter abbreviated as “matched font”) is included, the SVG browser turns off the display magnification setting mode. When it is determined that the matching font is not included, the display magnification setting mode is turned on. In the former case, the character string of the matching font is displayed in a state where the layout with the image is maintained. In addition, since it is a bitmap font character string that has not been scaled, it is displayed on the screen in a highly visible state. For this reason, content that does not have the display magnification setting mode turned on is displayed at the original size. On the other hand, in the latter case, when the content is displayed in the original size, the character string of any font is displayed in a state where the layout with the image is broken or in a size after scaling (that is, a state where visibility is low). End up. For this reason, the display magnification setting mode is turned on.

[0046] <(3) Specification in SVG document>

In this case, tags that act actively on the terminal device 10 such as “turn on the display magnification setting mode” are described in the SVG document. Content providers can comfortably browse content that reflects their own intentions by describing such tags.

[0047] <(4) Number of characters and exclusive area ratio of characters>

In this case, the SVG browser refers to the interpretation result of the SVG document and turns on the display magnification setting mode when the number of characters included in the content is a predetermined number or more, and when it is less than the predetermined number, Turn off. In addition, it is turned on when the exclusive area ratio of characters in the content is equal to or higher than a predetermined ratio, and is turned off when it is lower than the predetermined ratio. In other words, set the display magnification setting mode to ON when the content is mainly text (text). However, if it is an image-based one, it is turned off. Here, the exclusive area ratio of characters indicates the ratio of the character display area to the entire content.

[0048] When it is determined that the display magnification setting mode is off (S3: off), the SVG browser performs a layout process based on the interpretation result. Furthermore, as described above, the display size is set so that the size of the entire content matches the size of the entire screen of the display 110 and the screen width, or the content is set to be displayed at the original size. The SVG document is rendered (S4). After S4 processing, returns to S1 data acquisition standby state.

[0049] Note that when the interface unit 112 is operated after the processing of S4, that is, when content is displayed on the display 110, the display on the display 110 changes as follows. For example, when “up” or “down” of the direction instruction key 114 is pressed, the SVG browser scrolls and displays the content being displayed on the display 110 up or down. Further, when the “right” or “left” of the direction instruction key 114 is pressed, the displayed content is enlarged or reduced.

[0050] When it is determined that the display magnification setting mode is on (S3: on), the SVG browser sets the display magnification of the content (S5). For example, the following parameters are used to set the display magnification.

(1) Settings that match the largest font size in the content data

(2) Settings tailored to the most frequently used font size in content data

(3) User settings

[0051] Examples of the above parameters will be described.

(1) The largest content data! /, Settings according to font size> In this case, the SVG browser refers to the interpretation result of the acquired SVG document and acquires the largest font size included in the content data. Next, a bitmap font stored in ROM102 having the closest size to the acquired font size is selected, and based on the ratio between the acquired font size and the selected bitmap font size. Then set the display magnification of the content. For example, if the acquired font size is 14 points, the most recent bitmap font size is The size (18 points) is selected. Since the SVG browser actually displays the characters displayed at 14 points at 18 points (ie, “medium” size), the content display magnification is set to about 1.3 times (18Z14) Render an SVG document with the set display magnification (S6). In this case, for example, as shown in FIG. 6, the character of the largest font size used in the content is in a highly visible state without changing the layout with the image (scaled, Medium ”size bitmap font). Note that FIG. 6 shows the entire content shown in FIG. 1 (a) enlarged by about 1.3 times.

[0052] <(2) Settings matched to the most frequently used font size in content data>

In this case, the SVG browser refers to the interpretation result of the obtained SVG document and obtains the most used font size included in the content data. Next, from the bitmap fonts stored in the ROM 102, select the one having the size closest to the acquired font size, and the ratio between the acquired font size and the selected bitmap font size. Based on, set the display magnification of the content. For example, if the acquired font size is 35 points, the “large” size (28 points) is most recently selected as the bitmap font size. Since the SVG browser actually displays characters that are displayed at 35 points at 28 points (ie, “large” size), the content display magnification is set to 0.8 (28Z35) Render an SVG document at the set display magnification (S6). In this case, characters with the most frequently used font size used in the content are displayed on the screen with high visibility without breaking the layout with the image.

It should be noted that in many contents, characters having a single font size power are used at a high rate throughout. Some characters in the content are all the same size (in other words, some font size data in the content data are all the same). Using the above settings (ie, setting the display magnification based on the most frequent font size) for content such as these means that characters and images are displayed in their original layout throughout the content and the characters are visible. It can be said that it is extremely effective because its characteristics are also maintained. It should be noted that the font sizes acquired for the content data power are “largest font size” and “most frequent font size” in the above examples (1) and (2). However, in another example, “the _nth largest font size ( _n is 2 or more) included in the content data” may be used.

[0055] In the above examples (1) and (2), the font size is acquired by referring to the entire content data. However, in another example, the data power font size of a piece of content (eg, the region of content currently displayed on display 110) can be obtained.

[0056] <(3) User settings>

The user setting is a setting made by a user operation. For example, by operating the user power S interface unit 112, the display magnification of the content can be set according to its preference. The magnification that can be set is gradual. For this setting, for example, a character string of a predetermined font size (for example, the largest font size, the smallest font size, the most frequent font size, etc.) included in the content data is set to “large” or “medium”. Some of them are displayed in either “small” size. The SVG browser renders the SVG document with the display magnification set by the user (S6). By setting the character string having a predetermined font size to be displayed in the “large” size, the user can view the content with, for example, large characters. In addition, by setting the character string of a predetermined font size to be displayed in the “small” size, for example, it is possible to view the content with many characters displayed on one screen. Such setting information is stored in the RAM 104, for example.

[0057] When the interface unit 112 is operated after the processing of S6, that is, when content is displayed on the display 110, the content is displayed at a magnification according to the operation. The display magnification is changed in the following various patterns. Examples of such magnification changing patterns are enumerated below.

(1) Magnification change pattern according to the font size included in the content data

(2) Scale change pattern according to the bitmap font size stored in ROM102

(3) Magnification change pattern according to cursor or caret position (4) Magnification change pattern matched to the focus target

[0058] Each example of the magnification change pattern will be described.

<(1) Magnification change pattern according to the font size included in the content data> For example, when the `` Right '' or `` Left '' directional key 114 is pressed, the SVG browser displays each parameter included in the content data. Change the display magnification accordingly and render the content. The parameters are “total content size”, “content width”, “largest, font size”, “second largest, font size”, ..., “smallest, font size”, “ "The most frequent font size". The SVG browser renders the content by setting the display magnification according to the above order each time the “right” or “left” direction key 114 is pressed. For example, if the current setting display magnification is set to “content width” and the “right” direction key 114 is pressed twice, the setting display magnification matches the “second largest font size”. Changed to the specified setting. For example, if the current setting display magnification is set to “second largest font size” and the “Left” direction key 114 is pressed three times, the setting display magnification will be “size of the entire content”. "Is changed to the setting that matches. The content is displayed enlarged or reduced in stages according to the pressed key, the number of times, the pressed time, etc.

[0059] The settings matched to the "total content size" and "content width" are the same as those used when the display magnification setting mode is turned off with the display magnification taking into account the size of the bit map font. In this case, the SVG browser renders the SVG document with the size and width of the entire content set to match the screen size and screen width of the display 110, as in the display magnification setting mode off.

[0060] Settings corresponding to “largest font size”, “second largest font size”, “smallest / ヽ font size”, and “most frequently used font size” are: The display magnification is adjusted to the font size. For example, if the setting is adjusted to “largest font size” (or “second largest font size”, “smallest font size” or “most frequent font size”), the SVG browser Refers to the interpretation result of the obtained SVG document, and the largest font size used in the content (or the second largest font size, ..., the smallest font size, the most frequent font size Get power. Next, from the bitmap fonts stored in the ROM 102, the one having the size closest to the acquired font size is selected, and the acquired font size and the selected bitmap font size are selected. Set the display magnification based on the ratio. For example, if the obtained font size is 35 points, “Large” (28 points) is selected as the size of the nearest bitmap font. The SVG browser displays the character string that can be displayed at 35 points at 28 points, so the display magnification of the content is set to 0.8 times (2 8/35), and the SVG document is displayed at the above set display magnification. Render. In this case, the largest font size used in the content (or the second largest font size, ..., either the smallest font size or the most frequently used font size) can be viewed without breaking the layout of the image Displayed in a highly probable state.

It should be noted that the settings matched to the “total content size” and “content width” are the same as those used when the display magnification setting mode is off as described above. Therefore, when the user wants to turn off the display magnification setting mode, the user can display the content using the settings corresponding to the “total content size” and “content width”. When the display magnification is changed from “content width” to “largest font size” (ie when the display magnification setting mode off force is switched on), the SVG browser is Re-render without performing re-interpretation.

[0062] <(2) Scale change pattern according to bitmap font size stored in ROM102>

For example, when “right” or “left” of the direction key 114 is pressed, the SVG browser changes the display magnification according to the size of the bitmap font stored in the ROM 102 and renders the content. For example, when the direction instruction key 114 is operated, for example, characters of a predetermined font size (for example, the largest font size is the most frequent font size) included in the content data are “large”, “medium”, and “small”. It is set to display in any size. For example, if the current setting display magnification is set to the “large” size and the “right” direction key 114 is pressed twice, the setting display magnification is set to the “small” size. Be changed. For example, if the setting of the current setting display magnification power ^ medium size is set and the “Left” direction key 114 is pressed once, the setting display magnification is doubled. The rate is changed to a setting that matches the “large” size.

[0063] <(3) Magnification change pattern according to cursor or caret position>

In this case, the position of the cursor (or caret etc.) on the SVG browser power screen is detected. Next, referring to the detected position and the interpretation result of the SVG document, the position of the cursor is specified. Based on the specified result, the content display magnification is set and the SVG document is rendered. In an example of such a magnification change pattern, the content display magnification is set based on the font size of the character positioned adjacent to the cursor. For example, if the character located next to the cursor is 20 points, the “medium” size is selected as the size of the nearest bitmap font. After selection, the display magnification of the content is set to 0.9 (18Z20) in order to actually display characters that are originally displayed at 20 points at 18 points (ie, “medium” size).

[0064] Also, for example, the content title has a relatively small number of characters. For this reason, even if each character is displayed larger, it can fit on the screen. In contrast, the content body has a relatively large number of characters. For this reason, if each character is displayed large, it cannot fit on the screen. In this example, in view of the above circumstances, for example, when it is specified that the cursor is positioned on the title of the content, the display magnification is set so that the font size of the title is set to the “large” size. This allows the user to view the title in a single screen and with large letters. For example, when it is specified that the cursor is positioned on the body of the content, the display magnification is set so that the font size of the body matches the “small” size. As a result, the user can view the content while displaying more characters in one screen.

[0065] In these cases, the display magnification is changed according to the position of the cursor or the caret (that is, the gaze position). For this reason, it is possible to provide the user with content in which the gaze position is always displayed at a magnification that is easy to view.

[0066] <(4) Magnification change pattern matched to the focus target>

In this case, the display magnification of the content is set according to the focus target to be focused. The focus target here refers to the objects (images, text, tables, etc.) that are in the content forced by the operation of the direction key 114. Show. When the object to be focused is a relatively large object, the display magnification is relatively small (for example, the predetermined font size in the object (for example, the most frequently used object), assuming that the object contains many characters. Font size) is set to “Small”. As a result, even if an object contains many characters, for example, they can be displayed on one screen. In addition, when the object to be focused is a relatively small and sized object, the number of characters included in the object is small! Set to "Large" size). As a result, for example, when there are few characters included in the object, it is possible to display the characters on a single screen and in a large size.

[0067] On / off of the display magnification setting mode for each object in the content can also be specified by a tag described for each object in the SVG document. In this case, the SVG browser sets the display magnification setting mode to ON or OFF according to the tag of the focused object. The content provider can embed such a tag in the SVG document to allow the user to view the content in a state more reflecting his intention.

[0068] In the SVG document, the display angle of characters can be freely set by designation with a tag. In this specification, the state of the character strings (characters) shown in FIGS. 1 and 2 is defined as a display state without inclination (display angle = 0 °), and other states (ie, display angle ≠ 0 °). Tilt!

[0069] Here, conventionally, when characters that should be displayed tilted in content are displayed on the screen of a mobile phone, the bitmap font does not support diagonal character display. What is noticeable and greatly collapsed is displayed. In other words, a character having an inclination is displayed in a state where visibility is extremely low, unlike a character having a desirable dot pattern force.

[0070] In the first embodiment, the SVG browser refers to the interpretation result of the SVG document, for example, whether or not the character of the object to be focused is displayed in a tilted manner. Is determined. If it is determined that the object is displayed tilted, The entire content is rotated based on the angle specified in the object tag. For example, if the tag specifies that characters are rotated 30 ° (30 ° counterclockwise), the SVG browser will render with the content rotated 30 ° (30 ° clockwise). As a result, the characters of the object that is the focus target are displayed on the display 110 screen with no inclination. Note that the content display magnification at this time is determined under any of the above-described settings or magnification change patterns. Also

If the next focused object is tilted and cannot be displayed, the SVG browser will display the content in its normal state (ie, not rotated). Therefore, the user will always be able to display the text that should be displayed at an angle, even if it is included in the content.

The content can be browsed in a state in which the relative position between the character and the image is maintained and the deterioration of the visibility of the character is suppressed. Example 2

Next, Example 2 of the present invention will be described. In the following embodiments, descriptions of configurations and processes that are substantially the same as the configurations and processes of the terminal device 10 of the first embodiment will be omitted to avoid duplication.

Here, the text in the content includes a plurality of types of characters (for example, alphabet, kana, kanji, etc.), and the font size of each character may be different. That is, there is content in which a plurality of font sizes are mixed (hereinafter referred to as “size mixed content”). According to the second embodiment, a terminal device suitable for displaying such content is provided.

[0073] The content display process executed by the terminal device 10 according to the second embodiment will be described with reference to the flowchart of FIG. Since the processing of S1 to S4 is substantially the same as that of the first embodiment, the description thereof is omitted. When it is determined that the display magnification setting mode is on (S3: on) during the processing of S3, the SVG browser sets the display magnification of the content (S5).

[0074] In the processing of S5, the SVG browser refers to the interpretation result of the acquired SVG document (specifically, information on the character set) and determines whether or not the content to be processed has mixed-size content. To do. If it is not mixed-size content, for example, the same processing as in Example 1 is executed to display the content. On the other hand, when the content to be processed is a mixed-size content, the SVG browser detects which character is included in the content based on information on the character set. Here, for example, it is assumed that “alphabet” and “kanji” are detected.

Here, ROM 102 stores priority information for each character (hereinafter referred to as “priority information”). Based on the “priority information”, the SVG browser determines which of the detected characters is prioritized. Here, it is assumed that “priority information” includes, for example, information such as “alphabet” and “kanji” in the order of priority. Therefore, the SVG browser determines that the alphabet is given priority and sets the display magnification based on the alphabet font size of the content. Specifically, the SVG browser selects the bitmap font stored in ROM102 that has the closest size to the alphabet font size, and sets the alphabet font size and the selected bitmap font size. Set the content display magnification based on the ratio. As a result, the alphabet contained in the content is displayed on the screen in a highly visible state without destroying the layout with the image.

Note that the “priority information” is not limited to information stored in the ROM 102, but may be information specified by content (for example, CSS: Cascading Style Sheets).

Further, as an alternative to “priority information”, the number of characters of each character included in the content may be compared, and the number of characters may be large, and the display magnification of the content may be set according to the font size of the character. .

[0079] Examples of the magnification change pattern during content display include a "magnification change pattern according to the position of the cursor and the carriage" and a "magnification change pattern adapted to the focus target". Therefore, in the second embodiment, for example, the content display magnification is set in accordance with the font size of the focused character. Since these processes are substantially the same as those in the first embodiment, description thereof is omitted.

Example 3

[0080] Next, Example 3 of the present invention will be described. In the terminal device 10 of the third embodiment, as an alternative to the bitmap font, multiple types of scales (for example, “Gothic”, “Mincho”, etc.) Rabble fonts are stored in ROM102. According to the third embodiment, it is possible to display characters in the content using this scalable font. In addition, a scalable font is read based on the interpretation result by the SVG browser and rasterized to an appropriate size character. Then, rendering processing is performed, and the content is displayed on the display 110.

As in the second embodiment, the content display process executed by the terminal device 10 in the third embodiment will be described with the aid of the flowchart in FIG.

[0082] When the user specifies the URL to access the web content by operating the interface unit 112, for example, SVG document data described in SVG is acquired via the network, and the processing of S1 to S3 is executed. The Since these processes are substantially the same as the processes of S1 to S3 in the first embodiment, description thereof is omitted. The determination process of S3 is executed based on any of the conditions of “user setting”, “designation in SVG document”, and “number of characters and exclusive area ratio of characters”.

[0083] When it is determined that the display magnification setting mode is OFF (S3: OFF), the SVG browser performs layout processing based on the interpretation result. Furthermore, as described above, the display size is set so that the size of the entire content matches the size of the entire screen of the display 110 and the screen width, or the content is set to be displayed at the original size. The SVG document is rendered (S4). After S4 processing, returns to S1 data acquisition standby state.

[0084] When it is determined that the display magnification setting mode is ON (S3: ON), the SVG browser sets the display magnification of the content (S5). For example, the following parameters are used to set the display magnification.

(1) Font setting information

(2) User settings

Note that “(2) User setting” is substantially the same as that of the first embodiment, and a description thereof will be omitted.

[0085] <(1) Font setting information>

In this case, the SVG browser refers to the interpretation result of the acquired SVG document and Get information on the type of font included in the data (for example, to specify the font of the character to be displayed as “Gothic”, “Mincho”, etc., hereinafter referred to as “Font information”) To do. Next, regarding the acquired font information, “font setting information” stored in the ROM 102 is referred to.

[0086] "Font setting information" is setting information regarding the size according to the font type, and includes information on the size that is considered highly visible to the user (default size and size range). ing. “Font setting information” is data created because each font has a different size that is considered highly visible. In addition, this “font setting information” is, for example, the default size is 15 points when the font is “Gothic”, the range is 10 to 20 points, and the default size is “Mincho”. The size is 13 points and the range is 9 to 18 points. The default size is, for example, the size with the highest visibility for the font. The size range means that the font is displayed on the display 110 with high visibility within the range. These pieces of size information are determined in advance depending on, for example, the performance of the display (for example, size and resolution).

[0087] In the processing of S5, the SVG browser refers to the interpretation result of the acquired SVG document, and compares the font size information included in the content data with the font setting information corresponding to the font. . Next, set the display magnification of the content based on the comparison result. The SVG browser renders the SVG document according to the set content display magnification (S6). In addition, the display magnification is calculated by dividing, for example, “default size (or any size within the range)” by “font size included in content data (eg, frequent font size)”. It corresponds to the value. That is, according to the third embodiment, the characters in the content are displayed in a size according to the “font setting information”.

For example, it is assumed that “default size” corresponding to the font type included in the content data is 15 points, and “font size included in the content data” is 10 points. In this case, the content display magnification is set to 1.5 times. Therefore, characters that should be displayed at 10 points are also 15 points. Displayed in play 110. Therefore, the user can see the character with high visibility. In addition, since the entire content including characters is vector data, its layout is not disrupted.

Note that when setting the display magnification, which size to use as a default or within a range can be determined by, for example, a user's operation.

Further, the “font setting information” does not have to be stored in the ROM 102 in advance, and may be specified by, for example, CSS. Alternatively, it may be downloaded from a dedicated site.

[0091] When a plurality of types of fonts are included in the content, the SVG browser preferentially selects one of the fonts as in the second embodiment, and the size information of the selected font and the corresponding font The content display magnification may be set by comparing with the font setting information.

[0092] Examples of the magnification change pattern during content display include "a magnification change pattern according to the position of the cursor or the carriage" and "a magnification change pattern that is adjusted to the focus target". Since these processes are substantially the same as those in the first embodiment, description thereof is omitted.

That is, according to the present invention, it is possible to display content with an original layout and display characters with high visibility.

[0094] The above are several embodiments of the present invention. The present invention is not limited to these examples and can be modified in various ranges. For example, content described in a vector image description language is not limited to SVG documents.

Note that in one embodiment of the present invention, in the font size acquisition step, a font size that satisfies a predetermined condition is acquired. The predetermined condition here may be either the nth largest font size (n is a natural number) included in the content data, or the most frequent font size. .

[0096] Further, in one embodiment of the present invention, the content display magnification setting method includes a plurality of bitmap fonts based on the font size acquired in the font size acquisition step when the terminal has a plurality of bitmap fonts. Medium size Select one size A font size selection step to select.

[0097] In one embodiment of the present invention, in the display magnification setting step, even if the display magnification of the content is set so that the font power of the acquired font size is displayed with the selected bitmap font size. Good!

In one embodiment of the present invention, a bitmap font having a size closest to the acquired font size may be selected in the font size selection step! ,.

[0099] Also, in one embodiment of the present invention, the content display magnification setting method determines whether or not there is a bitmap font size that matches the acquired font size. It may be one that further includes steps. If it is determined that there is a matching size, the display magnification setting step may not be executed, and if it is determined that the matching size is not good, the display magnification setting step may be executed.

[0100] In addition, in one embodiment of the present invention, it may further include a character number calculating step of calculating the number of characters included in the content based on the interpretation result of the content display magnification setting method content data. . If the calculated number of characters is greater than or equal to the predetermined number, the display magnification setting step may be executed, and if the number of characters is less than the predetermined number, the display magnification setting step may not be executed.

[0101] Further, in one embodiment of the present invention, the content display magnification setting method power further includes a dedicated area ratio calculation step of calculating a dedicated area ratio of characters in the content based on the interpretation result of the content data. It may be. If the calculated exclusive area ratio is greater than or equal to the predetermined ratio, the display magnification setting step is executed. If the exclusive area ratio is less than the predetermined ratio, the display magnification setting step may not be executed. ,.

[0102] In one embodiment of the present invention, a content display magnification setting method executes a display magnification setting step based on information included in either a terminal or content data. It may further include an execution feasibility determination step for determining whether or not there is a failure.

[0103] Also, in one embodiment of the present invention, the content display magnification setting method is a step of changing a display magnification to be set, and is stepwise according to a predetermined meter when a predetermined operation is performed. Further includes a display magnification changing step for changing the display magnification. It may be.

Also, in one embodiment of the present invention, the content display magnification setting method is used. The tilt display for determining whether or not the font size characters acquired in the font size acquisition step are displayed tilted. A judgment step may be further included. If it is determined that the character is displayed as tilted, the content can be rotated and displayed so as to cancel the tilt of the character.

[0105] In one embodiment of the present invention, the content display magnification setting method may use the vector image description language power SSVG.

In one embodiment of the present invention, in the font size acquisition step, whether or not the content includes a plurality of types of characters is determined based on the interpretation result of the content data, and based on the determination result. The font size to be acquired may be determined. Here, when it is determined that the content includes a plurality of types of characters, it is detected which character the content includes, and the character font size having the highest priority among the detected characters is acquired. You can do it.

Claims

The scope of the claims

[1] The content display magnification setting method for setting the magnification of content displayed on terminals with bitmap fonts.

Interpret the content data created in the vector image description language, and compare the acquired font size with the bitmap font size. The result of the comparison

And a display magnification setting step for setting the display magnification of the content.

2. The content display magnification setting method according to claim 1, wherein in the font size acquisition step, a font size that satisfies a predetermined condition is acquired.

[3] The predetermined condition is either the nth (where n is a natural number) included in the content data, the font size, or the most frequently used font size. The content display magnification setting method according to claim 2, wherein:

[4] The content display magnification setting method for setting the magnification of content displayed on terminals with bitmap fonts!

A gaze step to gaze at any point in the content created in the vector image description language;

A font size acquisition step for acquiring a font size of a character that is displayed at a spot where it is watched and spoke;

A display magnification setting step of comparing the acquired font size with the bitmap font size and setting the display magnification of the content based on the result of the comparison. Display magnification setting method.

[5] The content display magnification setting method for setting the magnification of content displayed on terminals with bitmap fonts!

A focus step to focus any object in the content created in the vector image description language;

A font size acquisition step for acquiring a single font size based on the focused object; The acquired font size is compared with the bitmap font size, and the result of the comparison is compared.

[6] When the terminal has a plurality of bitmap fonts, a font size selection step of selecting one size from a plurality of bitmap font sizes based on the font size acquired at the font size acquisition step. The content display magnification setting method according to claim 1, further comprising:

[7] Using the content display magnification setting method to set the magnification of content displayed on terminals with multiple sizes of bitmap fonts,

Interpret the content data created in the vector image description language, and obtain the font size acquisition step to acquire one font size and the font strength of multiple bitmap font sizes in advance. A setting size selection step for selecting one setting size;

A display magnification setting step of comparing the acquired font size with the selected setting size and setting the display magnification of the content based on the result of the comparison, Setting method.

[8] The content display magnification is set in the display magnification setting step so that the character having the acquired font size is displayed with the selected bitmap font size. The content display magnification setting method according to claim 6 or claim 7.

[9] The content display magnification according to any one of claims 6 to 8, wherein in the font size selection step, a bitmap font having a size closest to the acquired font size is selected. Setting method.

[10] It further includes a matching size determination step for determining whether or not there is a bitmap font size that matches the acquired font size.

The display magnification setting step is not executed when it is determined that there is a matching size, and the display magnification setting step is executed when it is determined that there is no matching size. The content display magnification setting method according to any one of claims 6 to 9.

[11] A character number calculating step of calculating the number of characters included in the content based on the interpretation result of the content data,

The display magnification setting step is executed when the calculated number of characters is a predetermined number or more, and when the number of characters is less than the predetermined number, the display magnification setting step is not executed. Item 11. The content display magnification setting method according to any one of Items 1 to 10.

[12] Based on the interpretation result of the content data, it further includes a dedicated area ratio calculating step of calculating the exclusive area ratio of the characters in the content!

If the calculated exclusive area ratio is greater than or equal to the predetermined ratio, execute the display magnification setting step, and if the exclusive area ratio is less than the predetermined ratio! The content display magnification setting method according to any one of claims 1 to 10, wherein

[13] The method further comprises an execution availability determination step for determining whether to execute the display magnification setting step based on information included in either the terminal or the content data. Item 11. The content display magnification setting method according to any one of Items 1 to 10.

[14] The step of changing the display magnification to be set, further comprising a display magnification changing step of changing the display magnification step by step according to a predetermined parameter when a predetermined operation is performed. The content display magnification setting method according to any one of claims 1 to 13.

[15] It further includes an inclination display determination step for determining whether or not the character having the font size acquired in the font size acquisition step is inclined and displayed.

The content display according to any one of claims 1 to 14, wherein when it is determined that the display is tilted, the content is rotated and displayed so as to cancel the tilt of the character. Magnification setting method.

16. The content display magnification setting method according to any one of claims 1 to 15, wherein the vector image description language is SVG.

[17] In the font size acquisition step, it is determined whether or not the content includes multiple types of characters based on the interpretation result of the content data, and the determination result includes 2. The content display magnification setting method according to claim 1, wherein the font size to be acquired is determined based on the content size.

[18] When it is determined that the content includes a plurality of types of characters, it is detected what character the content includes, and the character font size with the highest priority among the detected characters is selected. 18. The content display magnification setting method according to claim 17, wherein the content display magnification setting method is acquired.

[19] Using the content display magnification setting method to set the magnification of content displayed on terminals with multiple types of scalable fonts,

A font detection step for interpreting content data created in a vector image description language and detecting a type of font included in the content;

And a display magnification setting step for setting the display magnification of the content based on the detected font type.

20. The content display magnification setting method according to claim 19, wherein the display magnification of the content is set so that the detected type of font is displayed at a predetermined size.

[21] For the content display magnification setting method that sets the magnification of content displayed on terminals with multiple types of scalable fonts,

A font selection step for interpreting the content data created in the vector image description language and selecting one font in the middle of the contentter;

And a display magnification setting step for setting a display magnification of the content according to the type of the selected font.

[22] A content display magnification setting program for causing a computer to execute the content display magnification setting method according to any one of claims 1 to 21.

[23] A terminal device comprising control means for executing the content display magnification setting method according to any one of [1] to [21].