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feat(epub): overhaul border system to support individual sides and radii (#44)

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- Refactored `BlockStyle` to replace unified border/radius fields with explicit properties for all four sides and corners.
- Overhauled `CssParser` to correctly handle CSS border shorthands (`border-bottom`, `border-width`, etc.) and multi-value `border-radius`.
- Implemented `drawCssBorders` custom modifier to render side-specific borders, styles (dashed/dotted), and background clipping.
- Updated `Paginator` measurement logic to calculate block height and splitting points based on individual side widths.
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Aryan 2026-03-08 10:31:07 +05:30 • committed by GitHub
parent 68c4611187
commit dff236fa7f
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6 changed files with 434 additions and 206 deletions
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app/src/main/java/com/aryan/reader/paginatedreader/HtmlParser.kt
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@ -256,9 +256,15 @@ private class SemanticHtmlParser(
val result = when (val tagName = element.tagName().lowercase()) {
"div", "header", "section", "article", "aside", "main", "footer", "nav", "figure" -> {
val hasBoxStyles = elementStyle.blockStyle.backgroundColor.isSpecified ||
elementStyle.blockStyle.border != null ||
elementStyle.blockStyle.borderTop != null ||
elementStyle.blockStyle.borderRight != null ||
elementStyle.blockStyle.borderBottom != null ||
elementStyle.blockStyle.borderLeft != null ||
elementStyle.blockStyle.padding != BoxBorders() ||
elementStyle.blockStyle.borderRadius > 0.dp
elementStyle.blockStyle.borderTopLeftRadius > 0.dp ||
elementStyle.blockStyle.borderTopRightRadius > 0.dp ||
elementStyle.blockStyle.borderBottomRightRadius > 0.dp ||
elementStyle.blockStyle.borderBottomLeftRadius > 0.dp
if (hasBoxStyles) {
val children = element.children().flatMap { child ->