Data processing method, program, and information processor

A data processing method carried out to transmit image data from a first information processor capable of generating image data to a second information processor, said method comprising:

• an issue step of issuing identification information necessary for obtaining image data according to a generation request of image data from the second information processor to the first information processor;
• a selection step of selecting storage of data necessary for generating image data or storage of generated image data according to a generation request of image data from the second information processor to the first information processor;
• a storage step of storing the identification information issued in said issue step and data type information indicating the result of selection in said selection step while relating the identification information and the data type information to each other;
• a first generation step of generating image data from data necessary for generating the image data according to a generation request of image data from the second information processor to the first information processor if storage of generated image data is selected in said selection step;
• a second generation step of generating image data from data necessary for generating the image data on the basis of data type information corresponding to identification information designated by an image data acquisition request from the second information processor to the first information processor;
• a transmission step of transmitting the image data generated in said first or second generation step from the first information processor to the second information processor according to the data type information corresponding to the identification information designated by the image data acquisition request from the second information processor to the first information processor;
• and
• a changing step of changing the data type information indicating the selection of storage of the generated image data into the data type information indicating the selection of storage of the data necessary for generating the image data if a predetermined condition is satisfied.

A program for transmitting image data from a first information processor capable of generating image data to a second information processor, said program enabling a computer to execute:

• a selection step of selecting storage of data necessary for generating image data or storage of generated image data;
• a first generation step of generating image data from data necessary for generating the image data according to a generation request of image data from the second information processor to the first information processor if storage of generated image data is selected in said selection step;
• a second generation step of generating image data from data necessary for generating the image data according to an image data acquisition request from the second information processor to the first information processor if storage of data necessary for generation of image data is selected in said selection step;
• and
• a transmission step of transmitting the image data generated in said first or second generation step from the first information processor to the second information processor according to the image data acquisition request from the second information processor to the first information processor.

A program for transmitting image data from a first information processor capable of generating image data to a second information processor, said program enabling a computer to execute:

• an issue step of issuing identification information necessary for obtaining image data according to a generation request of image data from the second information processor to the first information processor;
• a selection step of selecting storage of data necessary for generating image data or storage of generated image data according to a generation request of image data from the second information processor to the first information processor;
• a storage step of storing the identification information issued in said issue step and data type information indicating the result of selection in said selection step while relating the identification information and the data type information to each other;
• a first generation step of generating image data from data necessary for generating the image data according to a generation request of image data from the second information processor to the first information processor if storage of generated image data is selected in said selection step;
• a second generation step of generating image data from data necessary for generating the image data on the basis of data type information corresponding to identification information designated by an image data acquisition request from the second information processor to the first information processor;
• a transmission step of transmitting the image data generated in said first or second generation step from the first information processor to the second information processor according to the data type information corresponding to the identification information designated by the image data acquisition request from the second information processor to the first information processor;
• and
• a changing step of changing the data type information indicating the selection of storage of the generated image data into the data type information indicating the selection of storage of the data necessary for generating the image data if a predetermined condition is satisfied.

An information processor which generates image data and transmits the image data to an external information processor, said information processor comprising:

• selection means of selecting storage of data necessary for generating image data or storage of generated image data;
• first generation means of generating image data from data necessary for generating the image data according to a generation request of image data from the external information processor if storage of generated image data is selected by said selection means;
• second generation means of generating image data from data necessary for generating the image data according to an image data acquisition request from the external information processor if storage of data necessary for generation of image data is selected by said selection means;
• and
• transmission means of transmitting the image data generated by said first or second generation means to the external information processor according to the image data acquisition request from the external information processor.

An information processor which generates image data and transmits the image data to an external information processor, said information processor comprising:

• issue means of issuing identification information necessary for obtaining image data according to a generation request of image data from the external information processor;
• selection means of selecting storage of data necessary for generating image data or storage of generated image data according to a generation request of image data from the external information processor;
• storage means of storing the identification information issued by said issue means and data type information indicating the result of selection made by said selection means while relating the identification information and the data type information to each other;
• first generation means of generating image data from data necessary for generating the image data according to a generation request of image data from the external information processor to the first information processor if storage of generated image data is selected by said selection means;
• external generation means of generating image data from data necessary for generating the image data on the basis of data type information corresponding to identification information designated by an image data acquisition request from the external information processor to the first information processor;
• transmission means of transmitting the image data generated by said first or second generation means from the first information processor to the external information processor according to the data type information corresponding to the identification information designated by the image data acquisition request from the external information processor to the first information processor;
• and
• changing means of changing the data type information indicating the selection of storage of the generated image data into the data type information indicating the selection of storage of the data necessary for generating the image data if a predetermined condition is satisfied.