Merge pull request #24 from sham0688/issue/#7-hex-colors

Issue #7 hex colors
icerockdev · Jun 30, 2021 · 564905d · 564905d
2 parents 5b9a661 + 8dead75
commit 564905d
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diff --git a/graphics/src/commonMain/kotlin/dev/icerock/moko/graphics/Color.kt b/graphics/src/commonMain/kotlin/dev/icerock/moko/graphics/Color.kt
@@ -26,4 +26,6 @@ data class Color(
         blue = (colorRGBA.shr(8) and 0xFF).toInt(),
         alpha = (colorRGBA.shr(0) and 0xFF).toInt()
     )
+
+    companion object
 }
diff --git a/graphics/src/commonMain/kotlin/dev/icerock/moko/graphics/ColorHEX.kt b/graphics/src/commonMain/kotlin/dev/icerock/moko/graphics/ColorHEX.kt
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2021 IceRock MAG Inc. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package dev.icerock.moko.graphics
+
+fun Color.Companion.parseColor(colorHEX: String): Color {
+    if (colorHEX[0] != '#') throw IllegalArgumentException("Unknown color")
+    var ARGB = colorHEX.substring(1).toLong(16)
+    if (colorHEX.length == 7) {
+        ARGB = ARGB or 0x00000000ff000000
+    } else if (colorHEX.length != 9) {
+        throw IllegalArgumentException("Unknown color")
+    }
+    return Color(
+        alpha = (ARGB.shr(24) and 0xFF).toInt(),
+        red = (ARGB.shr(16) and 0xFF).toInt(),
+        green = (ARGB.shr(8) and 0xFF).toInt(),
+        blue = (ARGB.shr(0) and 0xFF).toInt(),
+    )
+}