Printing apparatus and module

A module provided in a controller of a printing apparatus comprising a memory and the controller,

• the controller being configured to execute:
• a receiving processing in which the controller receives compressed image data as compressed data;
• a first storing processing in which the controller stores the compressed image data into the memory;
• an identifying processing in which the controller individually identifies a plurality of partial compressed data in the compressed image data stored in the memory, the plurality of partial compressed data corresponding respectively to a plurality of separate images obtained by dividing an image corresponding to one page, the controller being configured to obtain from the compressed image data, at least one of (i) a height value representing the number of pixels of the image corresponding to the one page in a height direction and (ii) a width value representing the number of pixels of the image corresponding to the one page in a width direction, the controller being configured to determine at least one of (a) a division height position, based on the obtained height value, representing a dividing position in the compressed image data at which the compressed image data are divided in the height direction and (b) a division width position, based on the obtained width value, representing a dividing position in the compressed image data at which the compressed image data are divided in the width direction;
• a second storing processing in which the controller stores each of the plurality of partial compressed data into the memory or stores information identifying each of the plurality of partial compressed data, into the memory, the compressed image data being divided into the plurality of partial compressed data by the at least one of (a) the division height position and (b) the division width position;
• a creating processing in which the controller decompresses one partial compressed data of the plurality of partial compressed data and creates print data based on partial decompressed data obtained by decompressing the one partial compressed data;
• and
• an output processing in which the controller outputs the created print data,
• the controller being configured to repeat the creating processing and the output processing a number of times corresponding to the number of the plurality of partial compressed data, and execute the identifying processing.

A printing apparatus, comprising:

• a memory;
• and
• a controller configured to execute:
• a receiving processing in which the controller receives compressed image data as compressed data;
• a first storing processing in which the controller stores the compressed image data into the memory;
• an identifying processing in which the controller individually identifies a plurality of partial compressed data in the compressed image data stored in the memory, the plurality of partial compressed data corresponding respectively to a plurality of separate images obtained by dividing an image corresponding to one page;
• a second storing processing in which the controller stores each of the plurality of partial compressed data into the memory or stores information identifying each of the plurality of partial compressed data, into the memory;
• a first creating processing in which the controller decompresses one partial compressed data of the plurality of partial compressed data and creates print data based on partial decompressed data obtained by decompressing the one partial compressed data;
• and
• a first output processing in which the controller outputs the created print data,
• the controller being configured to repeat the first creating processing and the first output processing a number of times corresponding to the number of the plurality of partial compressed data,
• the printing apparatus being configured to perform printing based on the print data output in the first output processing,
• wherein the printing apparatus further comprises a printing unit configured to convey a sheet and print an image on the conveyed sheet from an upstream side toward a downstream side in a sheet conveying direction in which the sheet is conveyed,
• wherein the controller is configured to, in the first creating processing:
• determine an order of printing of the plurality of separate images that are to be printed in order from the upstream side toward the downstream side in the sheet conveying direction;
• and
• decompress the plurality of partial compressed data in the determined order of printing,
• wherein the controller is configured to execute:
• a rotation determination processing in which the controller determines whether a condition for rotating the image corresponding to the one page is satisfied;
• and
• a rotation-angle determination processing in which the controller determines a rotation angle when the controller determines that the condition for rotating the image corresponding to the one page is satisfied, and
• wherein the controller is configured to, in the first creating processing:
• determine the order of printing in the case where the image corresponding to the one page is rotated by the determined rotation angle;
• and
• decompress the partial compressed data in the order of printing.

A printing apparatus, comprising:

• a memory;
• and
• a controller configured to execute:
• a receiving processing in which the controller receives compressed image data as compressed data;
• a first storing processing in which the controller stores the compressed image data into the memory;
• an identifying processing in which the controller individually identifies a plurality of partial compressed data in the compressed image data stored in the memory, the plurality of partial compressed data corresponding respectively to a plurality of separate images obtained by dividing an image corresponding to one page;
• a second storing processing in which the controller stores each of the plurality of partial compressed data into the memory or stores information identifying each of the plurality of partial compressed data, into the memory;
• a first creating processing in which the controller decompresses one partial compressed data of the plurality of partial compressed data and creates print data based on partial decompressed data obtained by decompressing the one partial compressed data;
• and
• a first output processing in which the controller outputs the created print data,
• the controller being configured to repeat the first creating processing and the first output processing a number of times corresponding to the number of the plurality of partial compressed data,
• the printing apparatus being configured to perform printing based on the print data output in the first output processing,
• wherein the compressed image data comprises a plurality of unit data,
• wherein each of the plurality of unit data represents one pixel or a plurality of pixels,
• wherein the controller is configured to execute:
• an obtaining processing in which the controller obtains, from the compressed image data, at least one of (i) a height value representing the number of pixels of the image corresponding to the one page in a height direction and (ii) a width value representing the number of pixels of the image corresponding to the one page in a width direction;
• and
• a threshold-value determining processing in which the controller determines at least one of (a) a division height threshold value representing a dividing position that is a position in an image represented by the compressed image data in the height direction based on the obtained height value and (b) a division width threshold value representing a dividing position that is a position in the image corresponding to the one page in the width direction based on the obtained width value,
• wherein the controller is configured to, in the identifying processing:
• obtain a pixel count value by counting the one pixel or the plurality of pixels represented by each of the plurality of unit data contained in the compressed image data;
• and
• identify, as dividing-position unit data, the unit data that is the unit data at a time when a width indicated by the pixel count value has reached the division width threshold value or the unit data that is the unit data at a time when a height indicated by the pixel count value has reached the division height threshold value, and
• wherein the controller is configured to:
• set the unit data before the identified dividing-position unit data to unit data belonging to one partial compressed data of the plurality of partial compressed data;
• and
• set the unit data after the identified dividing-position unit data to unit data belonging to another partial compressed data of the plurality of partial compressed data.