CA1324676C - Methode et dispositif pour determiner les positions de lignes pour l'affichage et la manipulation de celles-ci par un ordinateur - Google Patents
Methode et dispositif pour determiner les positions de lignes pour l'affichage et la manipulation de celles-ci par un ordinateurInfo
- Publication number
- CA1324676C CA1324676C CA000611651A CA611651A CA1324676C CA 1324676 C CA1324676 C CA 1324676C CA 000611651 A CA000611651 A CA 000611651A CA 611651 A CA611651 A CA 611651A CA 1324676 C CA1324676 C CA 1324676C
- Authority
- CA
- Canada
- Prior art keywords
- value
- register
- pixel
- output
- delta
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title description 18
- 238000012545 processing Methods 0.000 claims description 19
- 239000000872 buffer Substances 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 12
- 230000001174 ascending effect Effects 0.000 claims description 6
- 238000009877 rendering Methods 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 101100128278 Mus musculus Lins1 gene Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- WTEVQBCEXWBHNA-YFHOEESVSA-N neral Chemical compound CC(C)=CCC\C(C)=C/C=O WTEVQBCEXWBHNA-YFHOEESVSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RRNIZKPFKNDSRS-UHFFFAOYSA-N Bensulide Chemical compound CC(C)OP(=S)(OC(C)C)SCCNS(=O)(=O)C1=CC=CC=C1 RRNIZKPFKNDSRS-UHFFFAOYSA-N 0.000 description 1
- WTEVQBCEXWBHNA-UHFFFAOYSA-N Citral Natural products CC(C)=CCCC(C)=CC=O WTEVQBCEXWBHNA-UHFFFAOYSA-N 0.000 description 1
- 241001505295 Eros Species 0.000 description 1
- 241001416183 Ginglymostomatidae Species 0.000 description 1
- 241001092459 Rubus Species 0.000 description 1
- 241001302210 Sida <water flea> Species 0.000 description 1
- 101100273269 Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8) cse3 gene Proteins 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 101150106467 cas6 gene Proteins 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- WTEVQBCEXWBHNA-JXMROGBWSA-N citral A Natural products CC(C)=CCC\C(C)=C\C=O WTEVQBCEXWBHNA-JXMROGBWSA-N 0.000 description 1
- KNHUKKLJHYUCFP-UHFFFAOYSA-N clofibrate Chemical compound CCOC(=O)C(C)(C)OC1=CC=C(Cl)C=C1 KNHUKKLJHYUCFP-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/393—Arrangements for updating the contents of the bit-mapped memory
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
- Image Generation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28699788A | 1988-12-20 | 1988-12-20 | |
| US286,997 | 1988-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1324676C true CA1324676C (fr) | 1993-11-23 |
Family
ID=23101036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000611651A Expired - Fee Related CA1324676C (fr) | 1988-12-20 | 1989-09-15 | Methode et dispositif pour determiner les positions de lignes pour l'affichage et la manipulation de celles-ci par un ordinateur |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2787487B2 (fr) |
| CA (1) | CA1324676C (fr) |
| FR (1) | FR2640792B1 (fr) |
| GB (1) | GB2226480B (fr) |
| HK (1) | HK52594A (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667306A (en) * | 1983-07-20 | 1987-05-19 | Ramtek Corporation | Method and apparatus for generating surface-fill vectors |
| US4725831A (en) * | 1984-04-27 | 1988-02-16 | Xtar Corporation | High-speed video graphics system and method for generating solid polygons on a raster display |
| US4758965A (en) * | 1985-10-09 | 1988-07-19 | International Business Machines Corporation | Polygon fill processor |
-
1989
- 1989-09-15 CA CA000611651A patent/CA1324676C/fr not_active Expired - Fee Related
- 1989-09-20 GB GB8921264A patent/GB2226480B/en not_active Expired - Fee Related
- 1989-11-07 JP JP1288089A patent/JP2787487B2/ja not_active Expired - Fee Related
- 1989-12-14 FR FR8916545A patent/FR2640792B1/fr not_active Expired - Fee Related
-
1994
- 1994-05-24 HK HK52594A patent/HK52594A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2226480A (en) | 1990-06-27 |
| FR2640792B1 (fr) | 1995-03-03 |
| HK52594A (en) | 1994-06-03 |
| JPH02190897A (ja) | 1990-07-26 |
| GB2226480B (en) | 1993-09-22 |
| JP2787487B2 (ja) | 1998-08-20 |
| FR2640792A1 (fr) | 1990-06-22 |
| GB8921264D0 (en) | 1989-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |