JPWO2017175382A1 - Display control apparatus, display control method, and display control program - Google Patents

Abstract

The superimposition determining unit (101) superimposes the second image on the first image based on the priority of the first image including the plurality of partial images and the priority of the second image. Whether to display the second image and the second image is determined. The region determining unit (102) is set to each of the plurality of partial images when the superimposition determining unit (101) determines to superimpose the second image on the first image. A plurality of partial images having a priority threshold higher than the priority of the second image based on the priority threshold that is a threshold for the priority of the image and the priority of the second image are protected partial images. In the remaining area obtained by extracting from the first partial area and removing the protected partial image from the first image, a superimposition area for superimposing the second image is determined.

Description

  The present invention relates to a display control device, a display control method, and a display control program.

  Patent Document 1 discloses a display control apparatus that performs simultaneous display or cooperative display of an output screen of a native application program (hereinafter, application program is simply referred to as an application) and an output screen of a general-purpose application.

Japanese Patent Application Laid-Open No. 2014-139772

In the display control device of Patent Document 1, the output image of the general application and the output image of the native application may be displayed in an overlapping manner. When the output image of the general-purpose application overlaps with an important area in the output image of the native application, the important area is hidden, and thus the user cannot browse the important area. Similarly, when the output image of the native application overlaps with an important area in the output image of the general-purpose application, the important area is hidden, and the user cannot view the important area.
As described above, the technique disclosed in Patent Document 1 has a problem that an important area to be displayed in the output image is hidden by another output image, and the user cannot browse the important area.

  The main object of the present invention is to solve such a problem, and the main object is to avoid a situation in which another image is superimposed on an important area in the image.

The display control device according to the present invention is:
Based on the priority of the first image including a plurality of partial images and the priority of the second image, the first image and the first image are superimposed on the first image by superimposing the second image on the first image. A superimposition determining unit that determines whether or not to display two images;
A threshold for the priority of the second image set in each of the plurality of partial images when the superimposition determination unit determines to superimpose the second image on the first image. The plurality of partial areas with a partial image set with a priority threshold higher than the priority of the second image based on the priority threshold of the second image and the priority of the second image as a protected partial image And a region determining unit that determines a superimposing region on which the second image is superimposed within a remaining region obtained by extracting the protected partial image from the first image.

  In the present invention, the second image is superimposed on the remaining area of the first image that is an area other than the protected partial image. For this reason, it is possible to avoid a situation in which the second image is superimposed on the protected partial image, which is an important area of the first image.

FIG. 3 is a diagram illustrating a hardware configuration example of the display control apparatus according to the first embodiment. FIG. 3 is a diagram illustrating a functional configuration example of the display control apparatus according to the first embodiment. FIG. 4 shows an example of an application information table according to the first embodiment. FIG. 3 is a diagram showing an outline of an operation example of the display control apparatus according to the first embodiment. FIG. 3 is a diagram showing an outline of an operation example of the display control apparatus according to the first embodiment. FIG. 4 is a diagram illustrating an example of a surface of a native application and a surface of a general-purpose application according to the first embodiment. FIG. 4 is a diagram showing details of an operation example of the display control apparatus according to the first embodiment. FIG. 4 is a diagram showing details of an operation example of the display control apparatus according to the first embodiment. FIG. 10 is a diagram showing details of an operation example of the display control apparatus according to the second embodiment. FIG. 10 is a diagram illustrating an example of a surface of a native application according to the third embodiment. FIG. 10 is a diagram showing details of an operation example of the display control apparatus according to the third embodiment. FIG. 10 is a diagram showing details of an operation example of the display control apparatus according to the third embodiment. FIG. 10 is a diagram showing details of an operation example of the display control apparatus according to the third embodiment. FIG. 10 is a diagram showing details of an operation example of the display control apparatus according to the third embodiment. FIG. 3 is a flowchart showing an operation example of the display control apparatus according to the first embodiment. FIG. 3 is a flowchart showing an operation example of the display control apparatus according to the first embodiment. FIG. 3 is a flowchart showing an operation example of the display control apparatus according to the first embodiment.

Embodiment 1 FIG.
*** Explanation of configuration ***
FIG. 1 shows a hardware configuration example of a display control apparatus 100 according to the present embodiment.
In the present embodiment, it is assumed that display control apparatus 100 is mounted on a vehicle.
The display control device 100 is a computer including an operation interface 1, a CPU (Central Processing Unit) 2, a GPU (Graphics Processing Unit) 3, a memory controller 4, a memory 5, and a display controller 6. Further, the display control device 100 is connected to a plurality of displays 7.
Note that the operation performed by the display control apparatus 100 corresponds to an example of a display control method.

  The CPU 2 is a processor that executes a program for realizing the functions of the native application 8 and the general-purpose application 9 and the surface control unit 10 shown in FIG. The program that realizes the function of the surface control unit 10 is an example of a display control program. A program for realizing the function of the surface control unit 10 is stored in the memory 5 together with the native application 8 and the general-purpose application 9. Then, the CPU 2 reads the program that realizes the functions of the native application 8, the general-purpose application 9, and the surface control unit 10 from the memory 5, and executes the program that realizes the functions of the native application 8, the general-purpose application 9, and the surface control unit 10. To do. FIG. 1 schematically shows a state in which the CPU 2 is executing the native application 8, the general-purpose application 9, and the surface control unit 10.

  The GPU 3 is a processor for graphic drawing. The GPU 3 executes a program that realizes the function of the drawing unit 12. A program that realizes the function of the drawing unit 12 is also stored in the memory 5, and the GPU 3 reads the program that realizes the function of the drawing unit 12 from the memory 5 and executes the program. The GPU 3 writes an output image in the memory 5 via the memory controller 4 by executing a program that realizes the function of the drawing unit 12. In FIG. 1, a state in which the GPU 3 is executing the drawing unit 12 is schematically illustrated.

As described above, the memory 5 stores the native application 8, the general-purpose application 9, the program for realizing the function of the surface control unit 10, and the program for realizing the function of the drawing unit 12.
The memory 5 also functions as the vehicle information storage unit 14 and the frame buffer 13 shown in FIG.

  The memory controller 4 performs control related to memory access. More specifically, the memory controller 4 controls contention during memory access.

  The display controller 6 determines the display 7 that is the output destination of the output image. The display controller 6 refers to an application information table to be described later and determines a display 7 as an output destination of the output image for each application.

The operation interface 1 acquires an instruction from the user of the display control apparatus 100.
Specifically, the operation interface 1 is a touch panel, a hardware button, a microphone, or the like.

  FIG. 2 shows a functional configuration example of the display control apparatus 100 according to the present embodiment.

In FIG. 2, the native application 8 is an application generated on the premise that it is executed by the display control apparatus 100. That is, the native application 8 is an application generated when the display control apparatus 100 is built.
The general-purpose application 9 is an application that is arbitrarily installed on the display control apparatus 100 by the user of the display control apparatus 100.
Note that when there is no need to distinguish between the native application 8 and the general-purpose application 9, they are simply referred to as applications.

The surface control unit 10 controls the surface of each application.
A surface is an output image of each application. A surface may be composed of a plurality of drawing objects. A drawing object is a partial image constituting a surface.
FIG. 6 shows an example of the surface 61 of the general application 9 and the surface 62 of the native application 8. In the example of FIG. 6, the surface 62 includes a drawing object 63, a drawing object 64, a drawing object 65, and a drawing object 66 as components. In the surface 61, the surface 61 itself is a drawing object. That is, the surface 61 is composed of a single drawing object.

The surface control unit 10 includes a superposition determination unit 101 and a region determination unit 102.
The operation performed by the superposition determination unit 101 corresponds to a superposition determination process. The operation performed by the area determination unit 102 corresponds to the area determination process.
Details of the superposition determination unit 101 and the region determination unit 102 will be described later.

The vehicle information storage unit 14 stores vehicle information acquired from a vehicle on which the display control device 100 is mounted.
The vehicle information indicates, for example, the speed of the vehicle, the engine speed, and the state of the pedal (accelerator pedal, brake pedal).

The drawing unit 12 acquires drawing information from the native application 8 and the general-purpose application 9, and generates a surface that is an output image based on the acquired drawing information.
The drawing information is a command for the drawing unit 12 to generate a surface.

The frame buffer 13 stores the surface of each application generated by the drawing unit 12.
The display controller 6 outputs the surface stored in the frame buffer 13 to the display 7.

FIG. 3 shows an example of the application information table.
Each application holds an application information table.
The application information table includes information on the entire surface and information for each drawing object.

In FIG. 3, in the “size and position” column, default values of the size and position of the surface when the surface is displayed are defined. In an application in which a surface is composed of a plurality of drawing objects, default values of the size and position of the drawing object when the drawing object is displayed are defined for each drawing object in the “size and position” column.
Note that the default values of the size and position shown in the “size and position” column are the size and position of the surface and drawing object when the surface is displayed alone. That is, the default values of size and position are the size and position of the surface and the size and position of the drawing object when there is no overlap with the surface of another application. When there is an overlap with the surface of another application, the size and position of the surface and the size and position of the drawing object may be changed.
In the following, the situation where multiple surfaces overlap is also referred to as surface competition.

In the “priority” column, the priority of the surface is defined. The priority of the surface may be switched depending on the vehicle state. Further, in an application in which a surface is composed of a plurality of drawing objects, the priority of the drawing object is defined for each drawing object in the “priority” column. The priority of the drawing object is determined by the attribute of the drawing object. In the example of FIG. 6, the drawing object 66 including the buttons (“Yes”, “No”) has the highest priority, and then the drawing objects 64 and 65 that are drawing objects not including the button display are priorities. Is the next highest, and the drawing object 63 on which the map is displayed (which constitutes the background) has the lowest priority.
A superimposition region is determined based on a priority value and a priority threshold value described later. The overlapping area is an area where other surfaces are displayed at the top. That is, the overlapping region is a region that is hidden by overlapping another surface.

In the “priority threshold value” column, a priority threshold value is defined for each drawing object. The priority threshold is a threshold for the priority of other surfaces. Further, when the surface is configured by a single drawing object as in the surface 61 of FIG. 6, only one priority threshold value is described in the application information table. On the other hand, when a surface is composed of a plurality of drawing objects as in the surface 62 of FIG. 6, a priority threshold value is described for each drawing object.
The relationship between the priority and the priority threshold will be described later.

  In the “display ID” column, an ID (Identifier) of the display 7 is defined. That is, in the “display ID” column, the ID of the display 7 that is the output destination of the surface is defined for each application. For example, in the case of an application related to entertainment, the ID of the display 7 of the center console or the ID of the display 7 for monitoring is defined in the “Display ID” column.

In the “type” column, the type of the drawing object is defined. As types of drawing objects, for example, a drawing object including a button (drawing object 66 in FIG. 6), a drawing object including only an icon not including a button (drawing object 64 and drawing object 65 in FIG. 6), and a background are configured. There is a drawing object (drawing object 63 in FIG. 6).
The priority of the drawing object varies depending on the type of the drawing object.

*** Explanation of operation ***
Next, operations of the superposition determination unit 101 and the region determination unit 102 illustrated in FIG. 2 will be described.

The superimposition determination unit 101 prioritizes the first surface (first image example) including a plurality of drawing objects (partial image examples) and the second surface (second image example). Based on the degree, it is determined whether or not to display the first surface and the second face by superimposing the second surface on the first surface.
The priority of the first surface is the priority of the surface described in the application information table of the application corresponding to the first surface (hereinafter referred to as the first application).
The priority of the second surface is the priority of the surface described in the application information table of the application corresponding to the second surface (hereinafter referred to as the second application).

The region determining unit 102 determines a superimposed region in the first surface when the superimposition determining unit 101 determines to superimpose the second surface on the first surface.
More specifically, the region determination unit 102 has a priority higher than the priority of the second surface based on the priority threshold value set for each of the plurality of drawing objects and the priority of the second surface. A drawing object for which a threshold value is set is extracted from a plurality of partial areas as a protected drawing object (an example of a protected partial image). Then, the region determination unit 102 determines a superimposing region on which the second surface is superimposed in the remaining region obtained by excluding the protected drawing object from the first surface. This remaining area is called a superimposable area.
In addition, the region determination unit 102 determines whether or not the second surface fits within the superimposable region when determining the overlapping region. Then, when the second surface fits in the superimposable region, a magnified image of the second surface that is the largest within the range that can fit in the superimposable region is derived, and the derived region of the magnified image of the second surface is derived, It is determined as the overlapping area. In addition, when the second surface does not fit in the superimposable region, the region determination unit 102 derives the maximum reduced image of the second surface within the range that fits in the superimposable region, and derives the derived second surface. The reduced image area is determined as the overlapping area.

Here, operation examples of the superposition determination unit 101 and the region determination unit 102 will be described using specific examples.
FIG. 4 shows an example of a first surface and a second surface.
The first surface includes a drawing object A, a drawing object B, and a drawing object C. The priority of the first surface is 170.
The priority threshold value of the drawing object A is 100. The priority threshold value of the drawing object B is 110. The priority threshold of the drawing object C is 150.
The priority of the second surface is 130.
The superposition determination unit 101 compares the “size and position” value of the application information table of the application corresponding to the first surface with the “size and position” value of the application information table of the application corresponding to the second surface. To do.
Here, it is assumed that the superimposition determining unit 101 determines that the first surface and the second surface are superimposed and displayed.
In addition, the superposition determination unit 101 determines the order between the surfaces based on the priority of the first surface and the priority of the second surface. In the example of FIG. 4, since the priority of the first surface is higher, the superimposition determining unit 101 determines that the first surface is the base surface. The base surface is a surface that constitutes the base of superposition. The base surface is the surface that is displayed the largest among a plurality of surfaces in a competitive relationship. In the example of FIG. 4, since the first surface is the base surface, the second surface is placed above the first surface. That is, since the first surface is displayed behind the second surface, a partial region of the first surface is hidden by the second surface.
Next, the region determination unit 102 compares the priority threshold value of each drawing object on the first surface with the priority value of the second surface.
Since the priority threshold of the drawing object C is higher than the priority of the second surface, the area determination unit 102 extracts the drawing object C as a protected drawing object. Then, the region determination unit 102 extracts a remaining region obtained by excluding the drawing object C from the first surface region as a superimposable region. Specifically, the region determination unit 102 extracts the drawing object A and the drawing object B as superimposable regions.
Next, the region determination unit 102 determines a superimposition region within the superimposable region.
In the example of FIG. 4, the size of the second surface is equal to the combined size of the drawing object A and the drawing object B that are superimposable regions, so that the region determination unit 102 has the drawing object A and the drawing object B. Are determined as the overlapping region.
As a result, the second surface is superimposed on the drawing object A and the drawing object B as shown in FIG.
When the size of the second surface is smaller than the superimposable region, the region determination unit 102 derives the largest enlarged image of the second surface within the range that can be accommodated in the superimposable region. Then, the region determination unit 102 determines the derived region of the enlarged image of the second surface as a superimposed region.
On the other hand, when the size of the second surface is larger than the superimposable region, the region determination unit 102 derives the maximum reduced image of the second surface within the range that can be accommodated in the superimposable region. Then, the region determination unit 102 determines the derived region of the reduced image of the second surface as the overlapping region.

  Next, an operation example of the display control apparatus 100 will be described with reference to the flowchart of FIG.

  When the display control apparatus 100 starts operation and the native application 8 and the general-purpose application 9 are activated, each application instructs the surface control unit 10 to generate a surface in step S001. Specifically, each application transmits the application information table shown in FIG. 3 to the surface control unit 10 to instruct generation of a surface.

Next, in step S002, the surface control unit 10 determines the size and position of the surface for each surface based on the surface competition state, and secures an area in the frame buffer 13 for each surface.
Details of step S002 will be described later with reference to FIGS.

  Next, in step S003, the surface control unit 10 returns the surface information to the application. The surface information indicates the size and position of the surface determined in S002 and the start address of the area of the frame buffer 13 secured for the surface.

  Next, in step S004, the application that has acquired the surface information notifies the drawing unit 12 of drawing information that is a command for drawing. The drawing information includes surface information. In the conventional configuration, a default value defined in “size and position” of the application information table in FIG. 3 is notified to the drawing unit 12 as part of the drawing information. In the present embodiment, the surface information, that is, the size and position of the surface determined by the surface control unit 10 based on the surface competition state are notified to the drawing unit 12 as a part of the drawing information.

Next, in step S005, the drawing unit 12 analyzes the drawing information, generates a surface, and writes the generated surface in the area of the frame buffer 13 specified by the surface information in the drawing information.
In addition, the drawing unit 12 notifies the display controller 6 of the surface information.

  Next, in step S006, the application instructs the display controller 6 to display the surface at an arbitrary timing.

  Next, in step S007, the display controller 6 reads the surface from the area of the frame buffer 13 described in the surface information, and combines (superimposes) the read surface according to the size and position described in the surface information. Then, one video signal in which a plurality of surfaces are combined is generated. Further, the display controller 6 outputs a video signal to the display 7.

  Finally, in step S008, the display 7 receives the signal output from the display controller 6 in S007 and displays the surface.

  Next, details of the processing in step S002 of FIG. 15 will be described with reference to FIGS.

  In step S002-1, the superposition determination unit 101 acquires an application information table from the application.

  Next, in step S002-2, the superposition determination unit 101 acquires vehicle information from the vehicle information storage unit 14.

Next, in step S002-3, the superimposition determining unit 101 determines whether or not the surfaces of a plurality of applications compete. That is, the superimposition determining unit 101 determines whether or not the surfaces of a plurality of applications are displayed in a superimposed manner.
Specifically, the superimposition determination unit 101 acquires values of “display ID” and “size and position” in the application information table. Then, the superimposition determination unit 101 determines whether or not the display IDs of a plurality of applications match. In addition, when the display IDs of a plurality of applications match, the superimposition determination unit 101 determines whether or not the display areas of the surfaces of the applications obtained from the default values of size and position overlap. If the surface display areas overlap, the superposition determination unit 101 determines that the surfaces of a plurality of applications compete.
Surface competition occurs between the native application 8 and the general-purpose application 9, between the plurality of native applications 8, and between the plurality of general-purpose applications 9.

  If the surfaces do not compete (NO in step S002-3), the superimposition determining unit 101 determines in step S002-4-2 the surface in which the default values described in “size and position” of the application information table are described. Generate information.

On the other hand, when the surfaces compete (YES in step S002-3), in S002-4-1, the superposition determination unit 101 selects a base surface based on the priority.
Specifically, the superposition determination unit 101 extracts, for each surface, the surface priority of “priority” in the application information table of the corresponding application.
The superimposition determining unit 101 refers to the vehicle information when extracting the priority of the surface. For example, if there is a surface having a different priority between the state in which the vehicle is traveling and the state in which the vehicle is stopped, the superimposition determination unit 101 determines whether the vehicle is in the current state (running or stopped). Is determined). Then, the priority corresponding to the current state of the vehicle is extracted.
Then, the superposition determination unit 101 determines an order between the surfaces based on the extracted priority. The superposition determination unit 101 selects the surface with the highest priority as the base surface.

Next, in step S002-5, the region determination unit 102 compares the priority of the upper surface other than the base surface with the priority threshold of the drawing object on the surface of the base surface.
More specifically, the region determination unit 102 acquires the priority threshold value of the base surface drawing object from the “priority threshold value” column of the corresponding application information table. Then, the area determination unit 102 compares the acquired priority threshold of each drawing object with the priority of the upper surface.

Next, in step S002-6, the region determination unit 102 extracts a superimposable region.
That is, the region determination unit 102 extracts, as a protected drawing object, a drawing object having a priority threshold higher than the priority of the upper surface among drawing objects included in the base surface. Then, a remaining area obtained by excluding the protected drawing object from the entire area of the base surface is extracted as a superimposable area.

  Next, in S002-7, the region determination unit 102 compares the superimposable region extracted in Step S002-6 with the default size of the upper surface. That is, the region determination unit 102 determines whether or not the default size of the upper surface fits in the superimposable region.

If the superimposable area is equal to or larger than the default size of the upper surface (YES in step S002-7), that is, if the default size of the upper surface falls within the superimposable area, the area determination unit 102 performs step S002. In -8-1, the size of the upper surface is enlarged within a range that can be contained in the superimposable region, and the superposed region is determined. That is, the region determination unit 102 derives the maximum size of the upper surface that can be accommodated in the superimposable region while maintaining the aspect ratio of the upper surface, and determines the derived size as the overlapping region.
When the default size of the superimposable area and the upper surface is the same, the default size of the upper surface becomes the overlapping area.

  On the other hand, if the superimposable area is smaller than the default size of the upper surface (NO in step S002-7), that is, if the default size of the upper surface does not fit in the superimposable area, the area determining unit 102 In step S002-8-2, the size of the upper surface is reduced to a range that can be contained in the superimposable region, and the superposed region is determined. That is, the region determination unit 102 derives the maximum size of the upper surface that can be accommodated in the superimposable region while maintaining the aspect ratio of the upper surface, and determines the derived size as the overlapping region.

  Finally, in S002-9, the superposition determination unit 101 generates surface information describing the superposition region determined in Step S002-8-1 or Step S002-8-2.

Next, the operation of the region determination unit 102 will be described using a specific example of a surface.
Here, an operation example of the region determination unit 102 when a surface conflict occurs between the general-purpose application 9 and the native application 8 will be described.
In the following description, the surface 61 of the general-purpose application 9 and the surface 62 of the native application 8 shown in FIG. 6 are used.
The surface 61 of the general-purpose application 9 in FIG. 6 is an image that presents traffic jam information. Further, the surface 62 of the native application 8 in FIG. 6 is an image for navigation.
In the following, it is assumed that the region determination unit 102 determines the surface 62 of the native application 8 as the base surface.
In the example of FIG. 6, the surface 62 of the native application 8 corresponds to the first surface, and the surface 61 of the general-purpose application 9 corresponds to the second surface shown in FIG.

FIG. 7A shows the surface 62 of the native application 8 of FIG.
FIG. 7B shows the protected drawing object extracted from the surface 62 by the area determination unit 102. The hatched drawing object is a protected drawing object.
FIG. 8C shows a superimposable area extracted by the area determination unit 102 on the surface 62. The remaining area obtained by removing the protected drawing object from the surface 62 is the superimposable area.
FIG. 8D shows the overlap region determined by the region determination unit 102. A region denoted by reference numeral 610 is a superimposed region. In the example of FIG. 8D, since the default size of the surface 61 does not fit in the superimposable region, the region determination unit 102 calculates the maximum size of the surface 61 within the range that can be accommodated in the superimposable region, and obtains it by calculation. The specified size is specified as the overlap area.
On the display 7, the surface 61 is superimposed on the surface 62 in the state shown in FIG.

For example, the resolution of the display 7 is “width 800 dots, height 480 dots”, the default size and position of the surface 61 is “width 800 dots, height 480 dots”, and the default size and position of the surface 62 is Assume that the width is 800 dots and the height is 480 dots. Further, it is assumed that the default size and position of the drawing object 64 are “offset x direction coordinate 0, offset y direction coordinate 0, width 100, height 200”. Further, it is assumed that the default size and position of the drawing object 65 are “offset x direction coordinate 700, offset y direction coordinate 0, width 100, height 50”. Further, it is assumed that the default size and position of the drawing object 66 are “offset x direction coordinate 100, offset y direction coordinate 380, width 500, height 100”.
The region determination unit 102 designates the superimposable region as “offset x direction coordinate 400, offset y direction coordinate 50, width 400, height 330” so that the surface 61 does not overlap the drawing objects 64, 65, and 66. Then, the region determination unit 102 reduces the surface 61 so as to be within this superimposable region.

*** Explanation of the effect of the embodiment ***
As described above, in the present embodiment, a superimposition area is designated in a superimposable area that is an area other than the protected drawing object, and an upper surface is superimposed on the superimposition area. For this reason, the situation where the protection drawing object which is an important area | region of a base surface hides can be avoided.

Embodiment 2. FIG.
In the present embodiment, an example will be described in which the position of the protected object is moved from the default position to enlarge the superimposable region.
In the present embodiment, differences from the first embodiment will be mainly described.
Matters not described below are the same as those described in the first embodiment.

In the present embodiment, when the region determination unit 102 extracts a superimposable region in step S002-6 in FIG. 16, the position of the protected drawing object is moved from the default position to expand the superimposable region.
With reference to FIG. 9, the operation of the region determination unit 102 according to the present embodiment will be described.
After performing the processing shown in FIG. 8C, the area determination unit 102 moves the position of the protected drawing object from the default position as shown in FIG. 9E.
In FIG. 9E, the area determination unit 102 moves the position of the drawing object 65 that is a protected drawing object.
As a result, the superimposable amount area in FIG. 9E is wider than the superimposable area in FIG.
Then, the region determining unit 102 obtains a superposed region of the surface 62 within a range that can be accommodated in the superimposable region obtained by the process of FIG.
In the present embodiment, as shown in FIG. 9F, the area indicated by reference numeral 611 is designated as the overlapping area.
The overlapping area denoted by reference numeral 611 is larger than the overlapping area denoted by reference numeral 610 in FIG.

  Thus, according to the present embodiment, it is possible to enlarge the superimposable region by moving the position of the protected drawing object. As a result, according to the present embodiment, the overlapping region can be enlarged, and the visibility can be improved.

Embodiment 3 FIG.
In the first embodiment, the operation example of the surface control unit 10 when the surface of the general application 9 competes with the surface of the native application has been described with reference to FIGS.
In the present embodiment, an operation example of the surface control unit 10 when a conflict occurs between the surfaces of the native application 8 will be described.
Hereinafter, differences from the first embodiment and the second embodiment will be mainly described.
Matters not described below are the same as those described in the first embodiment or the second embodiment.

FIG. 10 shows a surface 71 of an audio application that is a native application 8.
The surface 71 includes a drawing object 72 and a drawing object 73. The drawing object 72 is a drawing object in which an icon and a music piece are shown. The drawing object 73 is a drawing object constituting the background.
Hereinafter, an operation example of the region determination unit 102 when the surface 71 illustrated in FIG. 10 competes with the surface 62 illustrated in FIG. 6 will be described.
As described in the first embodiment, the priority of the surface can be switched according to the state of the vehicle. For example, the priority of the surface 62 can be made higher than the priority of the surface 71 when the vehicle is traveling, and the priority of the surface 71 can be made higher than the priority of the surface 62 when the vehicle is stopped. .
FIG. 11 shows an operation example of the region determination unit 102 when the vehicle is traveling. In other words, in FIG. 11, when the surface 62 becomes the base surface, the region determination unit 102 causes the surface 71 to overlap the surface 62 so that the surface 71 does not overlap the protected drawing object of the surface 61. Is shown.
FIG. 12, FIG. 13, and FIG. 14 show an operation example of the region determination unit 102 when the vehicle is traveling. That is, in FIGS. 12, 13, and 14, when the surface 71 is the base surface, the region determination unit 102 places the surface 62 on the surface 71 so that the surface 62 does not overlap the protected drawing object of the surface 71. An operation example for superimposing is shown.

First, FIG. 11 will be described.
The area determination unit 102 extracts a protected drawing object on the surface 62 by the process of FIG. 7B, and extracts a superimposable area on the surface 62 by the process of FIG. 8C. Then, the area determination unit 102 designates an overlapping area within the overlapping area as shown in FIG. An area denoted by reference numeral 710 in FIG. 11 is an overlapping area. In the example of FIG. 11, since the default size of the surface 71 does not fit in the superimposable region, the region determination unit 102 calculates the size of the maximum surface 71 within the range that can fit in the superimposable region, and the size obtained by the calculation Is specified as the overlap area.
On the display 7, the surface 71 is superimposed on the surface 62 in the state shown in FIG. 11.

Next, FIGS. 12, 13, and 14 will be described.
FIG. 12A shows the surface 71 of FIG.
FIG. 12B shows the protected drawing object extracted from the surface 71 by the area determining unit 102. The hatched drawing object is a protected drawing object.
(C) of FIG. 13 shows the superimposable region extracted by the region determining unit 102 on the surface 71. The remaining area obtained by removing the protected drawing object from the surface 71 is a superimposable area.
FIG. 13D shows a state in which the superimposable region is enlarged by moving the protected drawing object from the default position. In (d) of FIG. 13, the area determination unit 102 performs the same processing as in (e) of FIG.
FIG. 14 shows the overlapping area determined by the area determining unit 102. A region denoted by reference numeral 620 is a superimposed region.
In the example of FIG. 14, since the default size of the surface 62 does not fit in the superimposable region, the region determination unit 102 calculates the size of the maximum surface 62 within the range that can fit in the superimposable region, and the size obtained by the calculation Is specified as the overlap area.
On the display 7, the surface 62 is superimposed on the surface 71 in the state shown in FIG. 14.

As mentioned above, although embodiment of this invention was described, you may implement in combination of 2 or more among these embodiment.
Alternatively, one of these embodiments may be partially implemented.
Alternatively, two or more of these embodiments may be partially combined.
In addition, this invention is not limited to these embodiment, A various change is possible as needed.

*** Explanation of hardware configuration ***
Finally, a supplementary description of the hardware configuration of the display control apparatus 100 will be given.
The memory 5 shown in FIG. 1 also stores an OS (Operating System).
At least a part of the OS is executed by the CPU 2.
The CPU 2 executes a program for realizing the function of the surface control unit 10 while executing at least a part of the OS.
When the CPU 2 executes the OS, task management, memory management, file management, communication control, and the like are performed.
Further, information, data, signal values, and variable values indicating the processing results of the surface control unit 10 are stored in at least one of the memory 5, the register in the CPU 2, and the cache memory.
The program for realizing the function of the surface control unit 10 may be stored in a portable storage medium such as a magnetic disk, a flexible disk, an optical disk, a compact disk, a Blu-ray (registered trademark) disk, or a DVD.

The display control apparatus 100 may be realized by an electronic circuit such as a logic IC (Integrated Circuit), a GA (Gate Array), an ASIC (Application Specific Integrated Circuit), or an FPGA (Field-Programmable Gate Array).
In this case, each surface control unit 10 is realized as a part of an electronic circuit.
The processor and the electronic circuit are also collectively referred to as a processing circuit.

  1 operation interface, 2 CPU, 3 GPU, 4 memory controller, 5 memory, 6 display controller, 7 display, 8 native application, 9 general purpose application, 10 surface control unit, 12 drawing unit, 13 frame buffer, 14 vehicle information storage unit , 100 display control device, 101 superimposition determination unit, 102 region determination unit.

Claims (6)

Based on the priority of the first image including a plurality of partial images and the priority of the second image, the first image and the first image are superimposed on the first image by superimposing the second image on the first image. A superimposition determining unit that determines whether or not to display two images;
A threshold for the priority of the second image set in each of the plurality of partial images when the superimposition determination unit determines to superimpose the second image on the first image. The plurality of partial areas with a partial image set with a priority threshold higher than the priority of the second image based on the priority threshold of the second image and the priority of the second image as a protected partial image A display control apparatus comprising: a region determining unit that determines a superimposition region on which the second image is superimposed within a remaining region obtained by extracting the protection partial image from the first image and extracting the protection partial image from the first image. The region determination unit
Determining whether the second image fits within the remaining area;
When the second image falls within the remaining area, the largest enlarged image of the second image is derived within a range that falls within the remaining area, and the area of the derived enlarged image of the second image is derived. , Determined as the overlapping region,
When the second image does not fit within the remaining area, a maximum reduced image of the second image is derived within a range that fits within the remaining area, and the reduced image area of the derived second image is derived. The display control apparatus according to claim 1, wherein: is determined as the overlapping region. The region determination unit
Moving the position of the protected partial image in the first image from a default position;
The display control apparatus according to claim 1, wherein the overlapping region is determined in a remaining region obtained by excluding the protected partial image after movement from the first image. The display control device is mounted on a vehicle,
The superposition determination unit
Based on the priority of the first image and the priority of the second image determined according to the traveling state of the vehicle, the first image is superimposed on the first image. The display control apparatus according to claim 1, wherein it is determined whether or not to display the second image and the second image. The computer superimposes the second image on the first image based on the priority of the first image including the plurality of partial images and the priority of the second image. And whether to display the second image,
When the computer determines to superimpose the second image on the first image, the computer sets a threshold for the priority of the second image, which is set for each of the plurality of partial images. Based on the priority threshold and the priority of the second image, a partial image in which a priority threshold higher than the priority of the second image is set as a protected partial image, among the plurality of partial regions. A display control method for determining a superimposition region in which the second image is superimposed within a remaining region obtained by extracting the protection partial image from the first image. Based on the priority of the first image including a plurality of partial images and the priority of the second image, the first image and the first image are superimposed on the first image by superimposing the second image on the first image. Superimposition determination processing for determining whether or not to display two images;
A threshold for the priority of the second image that is set in each of the plurality of partial images when it is determined by the superimposition determination process that the second image is superimposed on the first image. The plurality of partial areas with a partial image set with a priority threshold higher than the priority of the second image based on the priority threshold of the second image and the priority of the second image as a protected partial image A display for causing the computer to execute an area determination process for determining an overlapping area on which the second image is to be superimposed within a remaining area obtained by extracting the protected partial image from the first image. Control program.

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