KT-32366: Extract text styling variables to outputStylingUtils

idea/idea-jvm/src/org/jetbrains/kotlin/idea/scratch/output/InlayScratchFileRenderer.kt

@@ -21,7 +21,7 @@ class InlayScratchFileRenderer(val text: String, private val outputType: Scratch
     private fun getFontInfo(editor: Editor): FontInfo {
         val colorsScheme = editor.colorsScheme
         val fontPreferences = colorsScheme.fontPreferences
-        val attributes = getAttributes()
+        val attributes = getAttributesForOutputType(outputType)
         val fontStyle = attributes.fontType
         return ComplementaryFontsRegistry.getFontAbleToDisplay(
             'a'.toInt(), fontStyle, fontPreferences, FontInfo.getFontRenderContext(editor.contentComponent)
@@ -34,7 +34,7 @@ class InlayScratchFileRenderer(val text: String, private val outputType: Scratch
     }
 
     override fun paint(editor: Editor, g: Graphics, r: Rectangle, textAttributes: TextAttributes) {
-        val attributes = getAttributes()
+        val attributes = getAttributesForOutputType(outputType)
         val fgColor = attributes.foregroundColor ?: return
         g.color = fgColor
         val fontInfo = getFontInfo(editor)
@@ -43,36 +43,7 @@ class InlayScratchFileRenderer(val text: String, private val outputType: Scratch
         g.drawString(text, r.x, r.y + metrics.ascent)
     }
 
-    private fun getAttributes(): TextAttributes {
-        return when (outputType) {
-            ScratchOutputType.OUTPUT -> userOutputAttributes
-            ScratchOutputType.RESULT -> normalAttributes
-            ScratchOutputType.ERROR -> errorAttributes
-        }
-    }
-
     override fun toString(): String {
         return "${text.takeWhile { it.isWhitespace() }}${outputType.name}: ${text.trim()}"
     }
-
+}
-    companion object {
-        private val normalAttributes = TextAttributes(
-            JBColor.GRAY,
-            null, null, null,
-            Font.ITALIC
-        )
-
-        private val errorAttributes = TextAttributes(
-            JBColor(Colors.DARK_RED, Colors.DARK_RED),
-            null, null, null,
-            Font.ITALIC
-        )
-
-        private val userOutputColor = Color(0x5C5CFF)
-        private val userOutputAttributes = TextAttributes(
-            JBColor(userOutputColor, userOutputColor),
-            null, null, null,
-            Font.ITALIC
-        )
-    }
-}

idea/idea-jvm/src/org/jetbrains/kotlin/idea/scratch/output/outputStylingUtils.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.scratch.output
+
+import com.intellij.openapi.editor.markup.TextAttributes
+import com.intellij.ui.Colors
+import com.intellij.ui.JBColor
+import java.awt.Color
+import java.awt.Font
+
+fun getAttributesForOutputType(outputType: ScratchOutputType): TextAttributes {
+    return when (outputType) {
+        ScratchOutputType.OUTPUT -> userOutputAttributes
+        ScratchOutputType.RESULT -> normalAttributes
+        ScratchOutputType.ERROR -> errorAttributes
+    }
+}
+
+private val userOutputColor = Color(0x5C5CFF)
+
+private val normalAttributes = TextAttributes().apply {
+    foregroundColor = JBColor.GRAY
+    fontType = Font.ITALIC
+}
+
+private val errorAttributes = TextAttributes().apply {
+    foregroundColor = JBColor(Colors.DARK_RED, Colors.DARK_RED)
+    fontType = Font.ITALIC
+}
+
+private val userOutputAttributes = TextAttributes().apply {
+    foregroundColor = JBColor(userOutputColor, userOutputColor)
+    fontType = Font.ITALIC
+}