Abstract: Disclosed is an image formation apparatus, comprising: a reception section to receive PDL data; an image processing section including a plurality of operation sections, each of which executing a task performing processing by a page or a task performing processing by a band to generate printing data based on the PDL data; a control section to analyze the PDL data to obtain the number of printing pages, the control section dynamically setting the number of the operation sections assigned to each of the task performing the processing by the page and the task performing the processing by the band in accordance with the obtained number of the printing pages; and a printing section to form an image on a printing medium based on the generated printing data.

Abstract: Disclosed is a print controlling device including a control unit to control printing according to an instruction which relates to the printing, wherein the control unit analyzes a page description language which relates to the printing, determines whether the printing is practically monochrome printing or color printing, and changes a first command of the page description language to a second command for monochrome printing when it is determined that the printing is monochrome printing.

Abstract: Disclosed is an image forming apparatus including a communication section connected to a data processing apparatus through a communication line, the apparatus including: a plurality of storage sections each of which has a different free storage capacity and a different access speed; and a control section to obtain data size information of a data-decompressed XPS file from the XPS file which includes the data size information in a head of a file data frame, the XPS file being received from the data processing apparatus through the communication section, to select a storage section to store the file data of the data-decompressed XPS file from the plurality of storage sections on the basis of the data size information, to perform data decompression of the XPS file, and to allow the selected storage section to store the file data of the data-decompressed XPS file.

Abstract: The image processing apparatus includes: a storage section including a region to be used when rasterization processing is performed with respect to intermediate language form data created by a band based on page description language form data; a plurality of operation sections; and a control section to perform the rasterization processing with respect to the intermediate language form data by using the operation sections. The control section generates a plurality of segmented regions by dividing the band constituting each pieces of the intermediate language form data into a plurality of pieces based on the number of the operation sections, and assigns a segmented region for executing the rasterization processing among the segmented regions to each of the operation sections.

Abstract: Disclosed is an image forming apparatus which generates print data based on control data for page print inputted from an external device and which forms an image based on the print data. The image forming apparatus includes a control unit having a plurality of arithmetic processing units, and an image forming unit for forming an image based on the print data which is outputted by the control unit. The control unit generates the print data by carrying out a rasterizing process of one page in band unit constituted by a predetermined number of lines based on the control data for page print and sequentially outputs the generated print data at output timings defined in a constant output interval, wherein the rasterizing process is controlled based on whether or not generation of print data is to be completed within the output interval for all of bands in the one page.

Abstract: Disclosed is an image processing apparatus including: a control section including a plurality of computing sections, each of the plurality of computing sections to perform language analyzing processing to perform language analysis on PDL data to generate a display list of an object, drawing processing to rasterize an object of the display list, and combining processing to combine data of the rasterized object, to generate printable data based on the PDL data, wherein each of the plurality of computing sections is set to any one of two or more resolutions for rasterizing; the rasterizing in the drawing processing is performed parallel in each of the computing sections at the resolutions set in each computing section; and the combining processing enlarges the data of the rasterized object of a low resolution to the highest resolution and combines the data.

Abstract: Disclosed is an image processing apparatus to generate printing data, comprising: a storage section to store the image data and reference data; a printing data generating section to generate the printing data based on the image data and the reference data; and a control section to output an address of the image data and that of the reference data to the printing data generating section, wherein the printing data generating section obtains the data based on the addresses thereof, and stores them in an internal storage section of the printing data generating section, and the control section outputs both of the addresses thereof when storage content stored in the internal storage section does not include the reference data obtained based on the address thereof, and only outputs the address of the image data when the storage content already includes the reference data obtained based on the address thereof.

Abstract: There is described a document data creating apparatus, a document data creating method and a program thereof, which make it possible to improve convenience of both the user and the creator of the document data by effectively utilizing the digital signature. The apparatus for creating document data that include a digital signature, includes: a character recognizing section to recognize a character based on image data inputted; a reliability determining section to determine a reliability degree of the character; a characteristic value calculating section to calculate a characteristic value of the document data; and a digital signature section to attach the characteristic value to the document data. When the reliability determining section determines that the reliability degree of the character is low, the digital signature section attaches a value, which is different from the characteristic value calculated by the characteristic value calculating section, to the document data as the digital signature.

Abstract: Disclosed is an image forming apparatus including: a memory section having a common storage area that temporarily stores a plurality of pieces of data having different forms from each other; and a control section configured to deem an area of data expected to be deleted among the plurality of data in the common storage area, as an empty area when checking whether data is allowed to be stored in the common storage area.

Abstract: An image forming apparatus including: a memory section having a common storage area that temporarily stores data in an intermediate form, which are generated on the way between image data in a form of page description language and data in a bitmap form obtained by interpreting the image data, and the data in a bitmap form; and a control section configured to monitor a first event that the data in an intermediate form stored in the common storage area have been deleted and a second event that the data in a bitmap form stored in the common storage area have been deleted, and to determine presence or absence of area for the data in an intermediate form to be stored when either of the first and second events occurs.

Abstract: An image forming apparatus that executes an image forming process based on print data including an execution command of transparency processes to be executed, comprises: a first storage unit to be used when the transparency process is executed; and a control unit for controlling the first number of transparency processes to be executed when a storage capacity of the first storage unit is insufficient to execute the transparency processes to be executed, and causing a display unit to display a preview image to which the second number of executable transparency processes different from the first number has been executed to determine an image being an object for print output based on an instruction by an operator relating to which transparency process is executed.

Abstract: Disclosed is an information processing apparatus comprising: a storage section to store data; and a control section to detect whether a data access to the storage section exists or not, to detect whether unnecessary data stored in the storage section exists or not, and to overwrite/delete the unnecessary data in a case where the data access does not exist and the unnecessary data exists.

Abstract: There is described a file editing apparatus, a file editing method and a file editing program, each of which makes it possible not only for the user to edit an XPS file easily and conveniently, but also for plural users, respectively located at different sites, to issue instructions for editing the same XPS file from the different sites at a time. The apparatus includes: a receiving section to receive a print job; a parsing section to parse the print job, so as to read file editing instruction information attached to the print job; and a file editing section that decompresses an XPS file to edit the XPS file decompressed, and then, compresses the XPS file after editing, so as to create an edited XPS file. Accordingly, the apparatus also makes it possible to edit the XPS file, irrespective of the OS or the environment of the application program currently executed.

Abstract: A method of security control in an image forming apparatus that carries out print processing based on XPS data, which includes, at least, a first step of decompressing compressed XPS data in a secondary storage device (for example, an HDD), a second step of converting the decompressed XPS data into bit map data, a third step of carrying out print processing based on said bit map data, and a fourth step of specifying the elements having levels of importance above a prescribed level, which has been set in advance among constituent elements of said XPS data decompressed in a secondary storage device, and erasing the specified elements by overwriting after said print processing.

Abstract: An image forming apparatus is equipped with at least a first analyzing section to analyze first print setting information included in the print data and described outside the main body of the document data, a second analyzing section to analyze second print setting information included in the main body of the document data, a memory section having a memory area to memorize print setting information, a print setting control section to update print setting information stored in advance as default data in the memory area for each setting item on the basis of the first print setting information and thereafter to allow print setting information of setting items in the predetermined memory area to be updated further on the basis of the second print setting information except the setting items in which the print setting information has been updated on the basis of the first print setting information.

Abstract: Disclosed is an image forming apparatus to form an image based on an XPS file including, a storage section; and a control section to refer to information concerning usage frequency of each individual file stored in the XPS file to judge whether or not a data decompression on the individual file needs to be performed and to perform or not to perform the data decompression on the individual file according to a judgment result to store the individual file in the storage section.

Abstract: Disclosed is an image forming apparatus to form an image based on an XPS file including, a plurality of storage sections each of which has a different free storage space and a different access speed; and a control section to refer to information concerning usage frequency of each individual file stored in the XPS file to select the storage section to store the individual file subjected to a data decompression, to data-decompress the individual file, and to store the data-decompressed individual file in the selected storage section.

Abstract: Disclosed is an image forming apparatus including a communication section connected to a data processing apparatus through a communication line to perform image formation on the basis of data transmitted from the data processing apparatus through the communication section, the apparatus including: a plurality of storage sections each of which has a different free storage capacity and a different access speed; and a control section to obtain data size information of an XPS file from the XPS file including the data size information thereof in a head of a file data, frame, the XPS file being received from the data processing apparatus through the communication section, to select a storage section to store the XPS file from the plurality of storage sections on the basis of the data size information, and to allow the selected storage section to store the XPS file.

Abstract: Disclosed is an image forming apparatus including a communication section connected to a data processing apparatus through a communication line, the apparatus including: a plurality of storage sections each of which has a different free storage capacity and a different access speed; and a control section to obtain data size information of a data-decompressed XPS file from the XPS file which includes the data size information in a head of a file data frame, the XPS file being received from the data processing apparatus through the communication section, to select a storage section to store the file data of the data-decompressed XPS file from the plurality of storage sections on the basis of the data size information, to perform data decompression of the XPS file, and to allow the selected storage section to store the file data of the data-decompressed XPS file.

Abstract: An encrypted data processing method for a printing system provided with a host which transmits print data or encrypted data formed by encrypting the print data, and an image forming apparatus connected with the host via a communication network to execute printing based on the print data, the method including: a first step of determining, in the image forming apparatus, whether transmitted data from the host is the encrypted data; a second step of executing printing process in cases where the transmitted data is not the encrypted data, and decrypting the encrypted data in cases where the transmitted data is the encrypted data; and a third step of executing the printing process in cases where the decryption of the encrypted data has been successfully executed, and storing the encrypted data into a storage section in cases where the decryption has failed.