Initial commit

2026-02-24 17:37:40 +05:30 · 2026-02-24 17:37:40 +05:30 · 6072b2ba29
commit 6072b2ba29
844 changed files with 220532 additions and 0 deletions
--- a/app/src/main/java/com/aryan/reader/paginatedreader/StyleUtils.kt
+++ b/app/src/main/java/com/aryan/reader/paginatedreader/StyleUtils.kt
@ -0,0 +1,81 @@
+// StyleUtils.kt
+package com.aryan.reader.paginatedreader
+
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.TextUnit
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.em
+import androidx.compose.ui.unit.sp
+
+
+fun parseCssDimensionToTextUnit(
+    value: String,
+    containerWidthPx: Int,
+    density: Float
+): TextUnit {
+    if (density <= 0) return TextUnit.Unspecified
+    val sanitizedValue = value.trim().lowercase()
+    return when {
+        sanitizedValue.endsWith("rem") -> sanitizedValue.removeSuffix("rem").toFloatOrNull()?.em ?: TextUnit.Unspecified
+        sanitizedValue.endsWith("em") -> sanitizedValue.removeSuffix("em").toFloatOrNull()?.em ?: TextUnit.Unspecified
+        sanitizedValue.endsWith("px") -> {
+            val px = sanitizedValue.removeSuffix("px").toFloatOrNull() ?: 0f
+            (px / density).sp
+        }
+        sanitizedValue.endsWith("pt") -> {
+            val pt = sanitizedValue.removeSuffix("pt").toFloatOrNull() ?: 0f
+            val px = pt * (4f / 3f)
+            (px / density).sp
+        }
+        sanitizedValue.endsWith("%") -> {
+            val percentage = sanitizedValue.removeSuffix("%").toFloatOrNull() ?: 0f
+            if (containerWidthPx > 0) {
+                val px = (percentage / 100f) * containerWidthPx
+                (px / density).sp
+            } else {
+                TextUnit.Unspecified
+            }
+        }
+        else -> TextUnit.Unspecified
+    }
+}
+
+fun parseCssSizeToDp(
+    value: String,
+    baseFontSizeSp: Float,
+    density: Float,
+    containerWidthPx: Int
+): Dp {
+    if (density <= 0) return 0.dp
+    val sanitizedValue = value.trim().lowercase()
+
+    return when {
+        sanitizedValue.endsWith("px") -> {
+            val px = sanitizedValue.removeSuffix("px").toFloatOrNull() ?: 0f
+            (px / density).dp
+        }
+        sanitizedValue.endsWith("rem") -> {
+            val rem = sanitizedValue.removeSuffix("rem").toFloatOrNull() ?: 0f
+            (rem * baseFontSizeSp).dp
+        }
+        sanitizedValue.endsWith("em") -> {
+            val em = sanitizedValue.removeSuffix("em").toFloatOrNull() ?: 0f
+            (em * baseFontSizeSp).dp
+        }
+        sanitizedValue.endsWith("pt") -> {
+            val pt = sanitizedValue.removeSuffix("pt").toFloatOrNull() ?: 0f
+            val px = pt * (4f / 3f)
+            (px / density).dp
+        }
+        sanitizedValue.endsWith("%") -> {
+            val percentage = sanitizedValue.removeSuffix("%").toFloatOrNull() ?: 0f
+            if (containerWidthPx > 0) {
+                val px = (percentage / 100f) * containerWidthPx
+                (px / density).dp
+            } else {
+                0.dp
+            }
+        }
+        else -> 0.dp
+    }
+}