Create round text view

markwon-round-textview/.gitignore

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+/build

markwon-round-textview/build.gradle

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+plugins {
+    id 'com.android.library'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdkVersion 31
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 31
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles "consumer-rules.pro"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+
+    api project(':markwon-core')
+
+    deps.with {
+        // add a compileOnly dependency, so if this artifact is present
+        // we will try to obtain a SpanFactory for a Strikethrough node and use
+        // it to be consistent with markdown (please note that we do not use markwon plugin
+        // for that in case if different implementation is used)
+        compileOnly it['commonmark-strikethrough']
+
+        testImplementation it['ix-java']
+    }
+
+    deps.test.with {
+        testImplementation it['junit']
+        testImplementation it['robolectric']
+    }
+}

markwon-round-textview/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

markwon-round-textview/src/androidTest/java/io/noties/markdown/boundarytext/ExampleInstrumentedTest.kt

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+package io.noties.markdown.boundarytext
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("io.noties.markdown.boundarytext.test", appContext.packageName)
+    }
+}

markwon-round-textview/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.noties.markdown.boundarytext">
+
+</manifest>

markwon-round-textview/src/main/java/io/noties/markdown/boundarytext/Extentions.kt

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+package io.noties.markdown.boundarytext
+import android.graphics.Canvas
+
+/**
+ * <pre>
+ *     author : NeXT
+ *     time   : 2018/12/11
+ *     desc   :
+ *     copy from: androidx.core.graphics.Canvas.kt
+ * </pre>
+ */
+
+inline fun Canvas.withTranslation(
+    x: Float = 0.0f,
+    y: Float = 0.0f,
+    block: Canvas.() -> Unit
+) {
+    val checkpoint = save()
+    translate(x, y)
+    try {
+        block()
+    } finally {
+        restoreToCount(checkpoint)
+    }
+}

markwon-round-textview/src/main/java/io/noties/markdown/boundarytext/LayoutExtensions.kt

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+package io.noties.markdown.boundarytext
+import android.os.Build
+import android.text.Layout
+
+// Extension functions for Layout object
+
+/**
+ * Android system default line spacing extra
+ */
+private const val DEFAULT_LINESPACING_EXTRA = 0f
+
+/**
+ * Android system default line spacing multiplier
+ */
+private const val DEFAULT_LINESPACING_MULTIPLIER = 1f
+
+/**
+ * Get the line bottom discarding the line spacing added.
+ */
+fun Layout.getLineBottomWithoutSpacing(line: Int): Int {
+    val lineBottom = getLineBottom(line)
+    val lastLineSpacingNotAdded = Build.VERSION.SDK_INT >= 19
+    val isLastLine = line == lineCount - 1
+
+    val lineBottomWithoutSpacing: Int
+    val lineSpacingExtra = spacingAdd
+    val lineSpacingMultiplier = spacingMultiplier
+    val hasLineSpacing = lineSpacingExtra != DEFAULT_LINESPACING_EXTRA
+        || lineSpacingMultiplier != DEFAULT_LINESPACING_MULTIPLIER
+
+    if (!hasLineSpacing || isLastLine && lastLineSpacingNotAdded) {
+        lineBottomWithoutSpacing = lineBottom
+    } else {
+        val extra: Float
+        if (lineSpacingMultiplier.compareTo(DEFAULT_LINESPACING_MULTIPLIER) != 0) {
+            val lineHeight = getLineHeight(line)
+            extra = lineHeight - (lineHeight - lineSpacingExtra) / lineSpacingMultiplier
+        } else {
+            extra = lineSpacingExtra
+        }
+
+        lineBottomWithoutSpacing = (lineBottom - extra).toInt()
+    }
+
+    return lineBottomWithoutSpacing
+}
+
+/**
+ * Get the line height of a line.
+ */
+fun Layout.getLineHeight(line: Int): Int {
+    return getLineTop(line + 1) - getLineTop(line)
+}
+
+/**
+ * Returns the top of the Layout after removing the extra padding applied by  the Layout.
+ */
+fun Layout.getLineTopWithoutPadding(line: Int): Int {
+    var lineTop = getLineTop(line)
+    if (line == 0) {
+        lineTop -= topPadding
+    }
+    return lineTop
+}
+
+/**
+ * Returns the bottom of the Layout after removing the extra padding applied by the Layout.
+ */
+fun Layout.getLineBottomWithoutPadding(line: Int): Int {
+    var lineBottom = getLineBottomWithoutSpacing(line)
+    if (line == lineCount - 1) {
+        lineBottom -= bottomPadding
+    }
+    return lineBottom
+}

markwon-round-textview/src/main/java/io/noties/markdown/boundarytext/RoundedBgTextView.kt

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+package io.noties.markdown.boundarytext
+
+import android.content.Context
+import android.graphics.Canvas
+import android.text.Spanned
+import android.util.AttributeSet
+import android.widget.TextView
+
+/**
+ * A TextView that can draw rounded background to the portions of the text. See
+ * [TextRoundedBgHelper] for more information.
+ *
+ * See [TextRoundedBgAttributeReader] for supported attributes.
+ */
+class RoundedBgTextView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = android.R.attr.textViewStyle
+) : TextView(context, attrs, defStyleAttr) {
+
+    private lateinit var textRoundedBgHelper: TextRoundedBgHelper
+    private lateinit var attributeReader : TextRoundedBgAttributeReader
+
+    private lateinit var mAttrs : AttributeSet
+    private var mTheme : String
+
+    init {
+        mTheme = "light"
+        if (attrs != null) {
+            mAttrs = attrs
+            attributeReader = TextRoundedBgAttributeReader(context, mAttrs, mTheme)
+            textRoundedBgHelper = TextRoundedBgHelper(
+                    horizontalPadding = attributeReader.horizontalPadding,
+                    verticalPadding = attributeReader.verticalPadding,
+                    drawable = attributeReader.drawable,
+                    drawableLeft = attributeReader.drawableLeft,
+                    drawableMid = attributeReader.drawableMid,
+                    drawableRight = attributeReader.drawableRight
+            )
+        }
+
+    }
+
+    fun setThemeChange(theme : String) {
+        mTheme = theme
+        attributeReader = TextRoundedBgAttributeReader(context, mAttrs, mTheme)
+        textRoundedBgHelper = TextRoundedBgHelper(
+                horizontalPadding = attributeReader.horizontalPadding,
+                verticalPadding = attributeReader.verticalPadding,
+                drawable = attributeReader.drawable,
+                drawableLeft = attributeReader.drawableLeft,
+                drawableMid = attributeReader.drawableMid,
+                drawableRight = attributeReader.drawableRight
+        )
+    }
+
+    fun setTextColorWith (textColor : Int){
+        this.setTextColor(textColor)
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        // need to draw bg first so that text can be on top during super.onDraw()
+        if (text is Spanned && layout != null) {
+            canvas.withTranslation(totalPaddingLeft.toFloat(), totalPaddingTop.toFloat()) {
+                textRoundedBgHelper.draw(canvas, text as Spanned, layout)
+            }
+        }
+        super.onDraw(canvas)
+    }
+}

markwon-round-textview/src/main/java/io/noties/markdown/boundarytext/TextRoundedBgAttributeReader.kt

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+package io.noties.markdown.boundarytext
+
+import android.content.Context
+import android.graphics.drawable.Drawable
+import android.util.AttributeSet
+
+class TextRoundedBgAttributeReader(context: Context, attrs: AttributeSet?, theme : String) {
+
+    val horizontalPadding: Int
+    val verticalPadding: Int
+    val drawable: Drawable
+    val drawableLeft: Drawable
+    val drawableMid: Drawable
+    val drawableRight: Drawable
+
+    init {
+        var typedArray = context.obtainStyledAttributes(
+            attrs,
+            R.styleable.TextRoundedBgHelper,
+            0,
+            R.style.RoundedBgTextView
+        )
+        if(theme.equals("dark")){
+            typedArray = context.obtainStyledAttributes(
+                    attrs,
+                    R.styleable.TextRoundedBgHelper,
+                    0,
+                    R.style.RoundedBgTextDarkView
+            )
+        }
+        horizontalPadding = typedArray.getDimensionPixelSize(
+            R.styleable.TextRoundedBgHelper_roundedTextHorizontalPadding,
+            0
+        )
+        verticalPadding = typedArray.getDimensionPixelSize(
+            R.styleable.TextRoundedBgHelper_roundedTextVerticalPadding,
+            0
+        )
+        drawable = typedArray.getDrawable(
+                R.styleable.TextRoundedBgHelper_roundedTextDrawable
+        )!!
+        drawableLeft = typedArray.getDrawable(
+                R.styleable.TextRoundedBgHelper_roundedTextDrawableLeft
+        )!!
+        drawableMid = typedArray.getDrawable(
+                R.styleable.TextRoundedBgHelper_roundedTextDrawableMid
+        )!!
+        drawableRight = typedArray.getDrawable(
+                R.styleable.TextRoundedBgHelper_roundedTextDrawableRight
+        )!!
+        typedArray.recycle()
+    }
+}

markwon-round-textview/src/main/java/io/noties/markdown/boundarytext/TextRoundedBgHelper.kt

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+package io.noties.markdown.boundarytext
+
+
+import android.graphics.Canvas
+import android.graphics.drawable.Drawable
+import android.text.Layout
+import android.text.Spanned
+import io.noties.markwon.core.spans.CodeSpan
+
+class TextRoundedBgHelper(
+    val horizontalPadding: Int,
+    verticalPadding: Int,
+    drawable: Drawable,
+    drawableLeft: Drawable,
+    drawableMid: Drawable,
+    drawableRight: Drawable
+) {
+
+    private val singleLineRenderer: TextRoundedBgRenderer by lazy {
+        SingleLineRenderer(
+            horizontalPadding = horizontalPadding,
+            verticalPadding = verticalPadding,
+            drawable = drawable
+        )
+    }
+
+    private val multiLineRenderer: TextRoundedBgRenderer by lazy {
+        MultiLineRenderer(
+            horizontalPadding = horizontalPadding,
+            verticalPadding = verticalPadding,
+            drawableLeft = drawableLeft,
+            drawableMid = drawableMid,
+            drawableRight = drawableRight
+        )
+    }
+
+    /**
+     * Call this function during onDraw of another widget such as TextView.
+     *
+     * @param canvas Canvas to draw onto
+     * @param text
+     * @param layout Layout that contains the text
+     */
+    fun draw(canvas: Canvas, text: Spanned, layout: Layout) {
+        // ideally the calculations here should be cached since they are not cheap. However, proper
+        // invalidation of the cache is required whenever anything related to text has changed.
+//        val spans = text.getSpans(0, text.length, Annotation::class.java)
+        val spans = text.getSpans(0, text.length, CodeSpan::class.java)
+        spans.forEach { span ->
+//            if (span.value.equals("rounded")) {
+                val spanStart = text.getSpanStart(span)
+                val spanEnd = text.getSpanEnd(span)
+                val startLine = layout.getLineForOffset(spanStart)
+                val endLine = layout.getLineForOffset(spanEnd)
+
+                // start can be on the left or on the right depending on the language direction.
+                val startOffset = (layout.getPrimaryHorizontal(spanStart)
+                    + -1 * layout.getParagraphDirection(startLine) * horizontalPadding).toInt()
+                // end can be on the left or on the right depending on the language direction.
+                val endOffset = (layout.getPrimaryHorizontal(spanEnd)
+                    + layout.getParagraphDirection(endLine) * horizontalPadding).toInt()
+
+                val renderer = if (startLine == endLine) singleLineRenderer else multiLineRenderer
+                renderer.draw(canvas, layout, startLine, endLine, startOffset, endOffset)
+//            }
+        }
+    }
+}

markwon-round-textview/src/main/java/io/noties/markdown/boundarytext/TextRoundedBgRenderer.kt

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+package io.noties.markdown.boundarytext
+
+import android.graphics.Canvas
+import android.graphics.drawable.Drawable
+import android.text.Layout
+import kotlin.math.max
+import kotlin.math.min
+
+/**
+ * Base class for single and multi line rounded background renderers.
+ *
+ * @param horizontalPadding the padding to be applied to left & right of the background
+ * @param verticalPadding the padding to be applied to top & bottom of the background
+ */
+internal abstract class TextRoundedBgRenderer(
+        val horizontalPadding: Int,
+        val verticalPadding: Int
+) {
+
+    /**
+     * Draw the background that starts at the {@code startOffset} and ends at {@code endOffset}.
+     *
+     * @param canvas Canvas to draw onto
+     * @param layout Layout that contains the text
+     * @param startLine the start line for the background
+     * @param endLine the end line for the background
+     * @param startOffset the character offset that the background should start at
+     * @param endOffset the character offset that the background should end at
+     */
+    abstract fun draw(
+        canvas: Canvas,
+        layout: Layout,
+        startLine: Int,
+        endLine: Int,
+        startOffset: Int,
+        endOffset: Int
+    )
+
+    /**
+     * Get the top offset of the line and add padding into account so that there is a gap between
+     * top of the background and top of the text.
+     *
+     * @param layout Layout object that contains the text
+     * @param line line number
+     */
+    protected fun getLineTop(layout: Layout, line: Int): Int {
+        return layout.getLineTopWithoutPadding(line) - verticalPadding
+    }
+
+    /**
+     * Get the bottom offset of the line and add padding into account so that there is a gap between
+     * bottom of the background and bottom of the text.
+     *
+     * @param layout Layout object that contains the text
+     * @param line line number
+     */
+    protected fun getLineBottom(layout: Layout, line: Int): Int {
+        return layout.getLineBottomWithoutPadding(line) + verticalPadding
+    }
+}
+
+/**
+ * Draws the background for text that starts and ends on the same line.
+ *
+ * @param horizontalPadding the padding to be applied to left & right of the background
+ * @param verticalPadding the padding to be applied to top & bottom of the background
+ * @param drawable the drawable used to draw the background
+ */
+internal class SingleLineRenderer(
+    horizontalPadding: Int,
+    verticalPadding: Int,
+    val drawable: Drawable
+) : TextRoundedBgRenderer(horizontalPadding, verticalPadding) {
+
+    override fun draw(
+        canvas: Canvas,
+        layout: Layout,
+        startLine: Int,
+        endLine: Int,
+        startOffset: Int,
+        endOffset: Int
+    ) {
+        val lineTop = getLineTop(layout, startLine)
+        val lineBottom = getLineBottom(layout, startLine)
+        // get min of start/end for left, and max of start/end for right since we don't
+        // the language direction
+        val left = min(startOffset, endOffset)
+        val right = max(startOffset, endOffset)
+        drawable.setBounds(left, lineTop, right, lineBottom)
+        drawable.draw(canvas)
+    }
+}
+
+/**
+ * Draws the background for text that starts and ends on different lines.
+ *
+ * @param horizontalPadding the padding to be applied to left & right of the background
+ * @param verticalPadding the padding to be applied to top & bottom of the background
+ * @param drawableLeft the drawable used to draw left edge of the background
+ * @param drawableMid the drawable used to draw for whole line
+ * @param drawableRight the drawable used to draw right edge of the background
+ */
+internal class MultiLineRenderer(
+    horizontalPadding: Int,
+    verticalPadding: Int,
+    val drawableLeft: Drawable,
+    val drawableMid: Drawable,
+    val drawableRight: Drawable
+) : TextRoundedBgRenderer(horizontalPadding, verticalPadding) {
+
+    override fun draw(
+        canvas: Canvas,
+        layout: Layout,
+        startLine: Int,
+        endLine: Int,
+        startOffset: Int,
+        endOffset: Int
+    ) {
+        // draw the first line
+        val paragDir = layout.getParagraphDirection(startLine)
+        val lineEndOffset = if (paragDir == Layout.DIR_RIGHT_TO_LEFT) {
+            layout.getLineLeft(startLine) - horizontalPadding
+        } else {
+            layout.getLineRight(startLine) + horizontalPadding
+        }.toInt()
+
+        var lineBottom = getLineBottom(layout, startLine)
+        var lineTop = getLineTop(layout, startLine)
+        drawStart(canvas, startOffset, lineTop, lineEndOffset, lineBottom)
+
+        // for the lines in the middle draw the mid drawable
+        for (line in startLine + 1 until endLine) {
+            lineTop = getLineTop(layout, line)
+            lineBottom = getLineBottom(layout, line)
+            drawableMid.setBounds(
+                (layout.getLineLeft(line).toInt() - horizontalPadding),
+                lineTop,
+                (layout.getLineRight(line).toInt() + horizontalPadding),
+                lineBottom
+            )
+            drawableMid.draw(canvas)
+        }
+
+        val lineStartOffset = if (paragDir == Layout.DIR_RIGHT_TO_LEFT) {
+            layout.getLineRight(startLine) + horizontalPadding
+        } else {
+            layout.getLineLeft(startLine) - horizontalPadding
+        }.toInt()
+
+        // draw the last line
+        lineBottom = getLineBottom(layout, endLine)
+        lineTop = getLineTop(layout, endLine)
+
+        drawEnd(canvas, lineStartOffset, lineTop, endOffset, lineBottom)
+    }
+
+    /**
+     * Draw the first line of a multiline annotation. Handles LTR/RTL.
+     *
+     * @param canvas Canvas to draw onto
+     * @param start start coordinate for the background
+     * @param top top coordinate for the background
+     * @param end end coordinate for the background
+     * @param bottom bottom coordinate for the background
+     */
+    private fun drawStart(canvas: Canvas, start: Int, top: Int, end: Int, bottom: Int) {
+        if (start > end) {
+            drawableRight.setBounds(end, top, start, bottom)
+            drawableRight.draw(canvas)
+        } else {
+            drawableLeft.setBounds(start, top, end, bottom)
+            drawableLeft.draw(canvas)
+        }
+    }
+
+    /**
+     * Draw the last line of a multiline annotation. Handles LTR/RTL.
+     *
+     * @param canvas Canvas to draw onto
+     * @param start start coordinate for the background
+     * @param top top position for the background
+     * @param end end coordinate for the background
+     * @param bottom bottom coordinate for the background
+     */
+    private fun drawEnd(canvas: Canvas, start: Int, top: Int, end: Int, bottom: Int) {
+        if (start > end) {
+            drawableLeft.setBounds(end, top, start, bottom)
+            drawableLeft.draw(canvas)
+        } else {
+            drawableRight.setBounds(start, top, end, bottom)
+            drawableRight.draw(canvas)
+        }
+    }
+}

markwon-round-textview/src/main/res/drawable/rounded_text_bg.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/codeBackgroundColor"/>
+    <!--<stroke android:width="@dimen/roundedTextBorderWidth" android:color="@color/roundedTextBorder"/>-->
+    <corners android:radius="@dimen/roundedTextBorderRadius"/>
+</shape>

markwon-round-textview/src/main/res/drawable/rounded_text_bg_dark.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/codeBackgroundDarkColor"/>
+    <!--<stroke android:width="@dimen/roundedTextBorderWidth" android:color="@color/roundedTextBorder"/>-->
+    <corners android:radius="@dimen/roundedTextBorderRadius"/>
+</shape>

markwon-round-textview/src/main/res/drawable/rounded_text_bg_left.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/codeBackgroundColor"/>
+    <!--<stroke android:width="@dimen/roundedTextBorderWidth" android:color="@color/roundedTextBorder"/>-->
+    <corners android:topLeftRadius="@dimen/roundedTextBorderRadius"
+             android:bottomLeftRadius="@dimen/roundedTextBorderRadius"/>
+</shape>

markwon-round-textview/src/main/res/drawable/rounded_text_bg_left_dark.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/codeBackgroundDarkColor"/>
+    <!--<stroke android:width="@dimen/roundedTextBorderWidth" android:color="@color/roundedTextBorder"/>-->
+    <corners android:topLeftRadius="@dimen/roundedTextBorderRadius"
+             android:bottomLeftRadius="@dimen/roundedTextBorderRadius"/>
+</shape>

markwon-round-textview/src/main/res/drawable/rounded_text_bg_mid.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/codeBackgroundColor"/>
+    <!--<stroke android:width="@dimen/roundedTextBorderWidth" android:color="@color/roundedTextBorder"/>-->
+</shape>

markwon-round-textview/src/main/res/drawable/rounded_text_bg_mid_dark.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/codeBackgroundDarkColor"/>
+    <!--<stroke android:width="@dimen/roundedTextBorderWidth" android:color="@color/roundedTextBorder"/>-->
+</shape>

markwon-round-textview/src/main/res/drawable/rounded_text_bg_right.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/codeBackgroundColor"/>
+    <!--<stroke android:width="@dimen/roundedTextBorderWidth" android:color="@color/roundedTextBorder"/>-->
+    <corners android:topRightRadius="@dimen/roundedTextBorderRadius"
+             android:bottomRightRadius="@dimen/roundedTextBorderRadius"/>
+</shape>

markwon-round-textview/src/main/res/drawable/rounded_text_bg_right_dark.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2018 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/codeBackgroundDarkColor"/>
+    <!--<stroke android:width="@dimen/roundedTextBorderWidth" android:color="@color/roundedTextBorder"/>-->
+    <corners android:topRightRadius="@dimen/roundedTextBorderRadius"
+             android:bottomRightRadius="@dimen/roundedTextBorderRadius"/>
+</shape>

markwon-round-textview/src/main/res/values/attrs.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="TextRoundedBgHelper">
+        <attr name="roundedTextHorizontalPadding" format="dimension"/>
+        <attr name="roundedTextVerticalPadding" format="dimension"/>
+        <attr name="roundedTextDrawable" format="reference"/>
+        <attr name="roundedTextDrawableLeft" format="reference"/>
+        <attr name="roundedTextDrawableMid" format="reference"/>
+        <attr name="roundedTextDrawableRight" format="reference"/>
+    </declare-styleable>
+</resources>

markwon-round-textview/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="codeTextColor">#EE6A6C</color>
+    <color name="codeBackgroundColor">#F1F2F3</color>
+    <color name="codeBackgroundDarkColor">#252627</color>
+</resources>

markwon-round-textview/src/main/res/values/dimens.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="roundedBorderRadius">6dp</dimen>
+    <dimen name="roundedBorderWidth">2dp</dimen>
+
+    <dimen name="roundedTextBorderRadius">4dp</dimen>
+    <dimen name="roundedTextBorderWidth">1dp</dimen>
+</resources>

markwon-round-textview/src/main/res/values/styles.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="Widget.RoundedBackground" parent="android:Widget"/>
+    <style name="Widget.RoundedBackground.SampleTextView">
+        <item name="roundedTextHorizontalPadding">0dp</item>
+        <item name="roundedTextVerticalPadding">1dp</item>
+    </style>
+
+    <style name="Widget.RoundedBackground.Divider">
+        <item name="android:background">#CCC</item>
+        <item name="android:padding">2dp</item>
+    </style>
+
+    <style name="RoundedBgTextView" parent="@android:style/Widget.TextView">
+        <item name="roundedTextHorizontalPadding">0dp</item>
+        <item name="roundedTextVerticalPadding">1dp</item>
+        <item name="roundedTextDrawable">@drawable/rounded_text_bg</item>
+        <item name="roundedTextDrawableLeft">@drawable/rounded_text_bg_left</item>
+        <item name="roundedTextDrawableMid">@drawable/rounded_text_bg_mid</item>
+        <item name="roundedTextDrawableRight">@drawable/rounded_text_bg_right</item>
+    </style>
+
+    <style name="RoundedBgTextDarkView" parent="@android:style/Widget.TextView">
+        <item name="roundedTextHorizontalPadding">0dp</item>
+        <item name="roundedTextVerticalPadding">1dp</item>
+        <item name="roundedTextDrawable">@drawable/rounded_text_bg_dark</item>
+        <item name="roundedTextDrawableLeft">@drawable/rounded_text_bg_left_dark</item>
+        <item name="roundedTextDrawableMid">@drawable/rounded_text_bg_mid_dark</item>
+        <item name="roundedTextDrawableRight">@drawable/rounded_text_bg_right_dark</item>
+    </style>
+</resources>

markwon-round-textview/src/test/java/io/noties/markdown/boundarytext/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package io.noties.markdown.boundarytext
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}