JPS6432393A - Rendering processor - Google Patents

Rendering processor

Info

Publication number
JPS6432393A
JPS6432393A JP18756187A JP18756187A JPS6432393A JP S6432393 A JPS6432393 A JP S6432393A JP 18756187 A JP18756187 A JP 18756187A JP 18756187 A JP18756187 A JP 18756187A JP S6432393 A JPS6432393 A JP S6432393A
Authority
JP
Japan
Prior art keywords
dda
value
calculates
grid point
point coordinates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP18756187A
Other languages
Japanese (ja)
Other versions
JP2804028B2 (en
Inventor
Yasushi Fukunaga
Makoto Fujita
Kazuyoshi Koga
Isao Yasuda
Takeshi Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP62187561A priority Critical patent/JP2804028B2/en
Publication of JPS6432393A publication Critical patent/JPS6432393A/en
Priority to US07/634,818 priority patent/US5371839A/en
Priority to US08/715,472 priority patent/US6088037A/en
Application granted granted Critical
Publication of JP2804028B2 publication Critical patent/JP2804028B2/en
Priority to US09/584,498 priority patent/US6292196B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Image Generation (AREA)

Abstract

PURPOSE:To quickly perform the rendering processing of an image or a pattern by providing a means which calculates grid point coordinates of the destination and a means which calculates an X coordinate point corresponding to grid point coordinates. CONSTITUTION:A DDA 22 for source and destination address calculates grid point coordinates X and Y of the destination corresponding to a source picture. Meanwhile, a DDA 23 for density and Z value calculates the density value or the Z value. A raster operation data control part 27 calculate the X coordinate of the source corresponding to coordinates X and Y based on the grid point coordinates X and Y from the DDA 22 and the density value or the Z value from the DDA 23. The mask signal from a mask control part 25 is used for this calculaton. Thus, the rendering processing of the image or the pattern is quickly performed.
JP62187561A 1987-02-27 1987-07-29 Rendering processor Expired - Fee Related JP2804028B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP62187561A JP2804028B2 (en) 1987-07-29 1987-07-29 Rendering processor
US07/634,818 US5371839A (en) 1987-02-27 1991-01-02 Rendering processor
US08/715,472 US6088037A (en) 1987-02-27 1996-09-18 Rendering processor
US09/584,498 US6292196B1 (en) 1987-02-27 2000-06-01 Rendering processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62187561A JP2804028B2 (en) 1987-07-29 1987-07-29 Rendering processor

Publications (2)

Publication Number Publication Date
JPS6432393A true JPS6432393A (en) 1989-02-02
JP2804028B2 JP2804028B2 (en) 1998-09-24

Family

ID=16208238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62187561A Expired - Fee Related JP2804028B2 (en) 1987-02-27 1987-07-29 Rendering processor

Country Status (1)

Country Link
JP (1) JP2804028B2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59106066A (en) * 1982-12-10 1984-06-19 Hitachi Ltd Pattern processing device
JPS59229669A (en) * 1983-06-10 1984-12-24 Matsushita Electric Ind Co Ltd Picture data processor
JPS627087A (en) * 1985-07-03 1987-01-14 株式会社日立製作所 Display controller

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59106066A (en) * 1982-12-10 1984-06-19 Hitachi Ltd Pattern processing device
JPS59229669A (en) * 1983-06-10 1984-12-24 Matsushita Electric Ind Co Ltd Picture data processor
JPS627087A (en) * 1985-07-03 1987-01-14 株式会社日立製作所 Display controller

Also Published As

Publication number Publication date
JP2804028B2 (en) 1998-09-24

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees