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| author | Akshay Nair <phenax5@gmail.com> | 2026-06-07 17:46:08 +0530 |
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| committer | Akshay Nair <phenax5@gmail.com> | 2026-06-07 17:46:08 +0530 |
| commit | afaf82538d09cd77ee4f5a435b79995e88be84f5 (patch) | |
| tree | 5fb4db643debbd3a04b010e1470838750b427dd6 /src/gradient.image.sql | |
| parent | b893b29d7be4fadb563187d2c6ed20865686aeff (diff) | |
| download | sqlite-creative-coding-afaf82538d09cd77ee4f5a435b79995e88be84f5.tar.gz sqlite-creative-coding-afaf82538d09cd77ee4f5a435b79995e88be84f5.zip | |
Rename the files
Diffstat (limited to 'src/gradient.image.sql')
| -rw-r--r-- | src/gradient.image.sql | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/gradient.image.sql b/src/gradient.image.sql new file mode 100644 index 0000000..4ad1820 --- /dev/null +++ b/src/gradient.image.sql @@ -0,0 +1,11 @@ +INSERT OR REPLACE INTO images (id, width, height) VALUES ('gradient', 400, 400) RETURNING id; + +WITH RECURSIVE + image AS (SELECT * FROM images WHERE id = 'gradient'), + horizontal(x) AS + (SELECT width FROM image UNION ALL SELECT x - 1 FROM horizontal WHERE x > 1), + vertical(y) AS + (SELECT height FROM image UNION ALL SELECT y - 1 FROM vertical WHERE y > 1), + _pixels(x, y, r, g, b) AS + (SELECT x, y, x*255/width, y*255/height, 100 FROM vertical, horizontal, image) +INSERT INTO pixels (image_id, x, y, r, g, b) SELECT 'gradient', x, y, r, g, b FROM _pixels; |