light9 Changeset - cd4a9eeeb9e6

Changeset - cd4a9eeeb9e6

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drewp@bigasterisk.com - 20 months ago 2023-05-29 20:21:14
drewp@bigasterisk.com

special case- white picks the center-top px

1 file changed with 5 insertions and 0 deletions:

light9/web/floating_color_picker.ts

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light9/web/floating_color_picker.ts

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@@ @@ -73,24 +73,29 @@ class RainbowCanvas { @@
+  }
   colorAt(pos: RainbowCoord) {
     var data = this.ctx.getImageData(pos.x, pos.y, 1, 1).data;
     return color([data[0], data[1], data[2], 255]).hex();
+  }
   posFor(col: string): RainbowCoord {
     if (col == "#000000") {
       throw new Error("no match");
+    }
     log("col", col);
     if (col == "#ffffff") {
       return new RainbowCoord(400 / 2, 0);
+    }
     let bright = color(col).value(1).hex();
     let r = parseInt(bright.slice(1, 3), 16),
       g = parseInt(bright.slice(3, 5), 16),
       b = parseInt(bright.slice(5, 7), 16);
     // We may not have a match for this color exactly (e.g. on
     // the small image), so we have to search for a near one.
     // 0, 1, -1, 2, -2, ...
     let walk = function (x: number): number {
       return -x + (x > 0 ? 0 : 1);
     };

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