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Improve docs on segmentedDigit

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This commit is contained in:
Daniel Imms
2025-12-22 15:18:42 -08:00
parent 5a995e5595
commit f5edba0b64
1 changed files with 5 additions and 2 deletions
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addons/addon-webgl/src/customGlyphs/CustomGlyphDefinitions.ts
+5 -2
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@@ -647,7 +647,9 @@ function sextant(pattern: number): { type: CustomGlyphDefinitionType.PATH_FUNCTI
/**
* Generates SVG path data for a 7-segment display digit.
*
* Segment mapping (bit positions):
*
* - bit 6: a (top)
* - bit 5: b (upper right)
* - bit 4: c (lower right)
@@ -669,8 +671,9 @@ function sextant(pattern: number): { type: CustomGlyphDefinitionType.PATH_FUNCTI
function segmentedDigit(pattern: number): string {
const paths: string[] = [];
// Dimensions (in normalized 0-1 coordinates)
// Terminal cells are typically ~2:1 (height:width), so we use different values
// Each segment should have approximately the same stroke width, this is somewhat difficult to be
// precise since coordinates are 0-1 of the whole cell (percentage-based). To handle this, the
// fact that terminal cells are typically sized at ~2:1 (height:width) is leveraged.
// for horizontal vs vertical to make segments appear the same thickness
const segW = 0.15; // Width of vertical segments (fraction of cell width)
const segH = 0.075; // Height of horizontal segments (fraction of cell height, ~half of segW for 2:1 cells)