Add headingTypeface to SpannableTheme, use a custom heading typeface in the sample app

library/src/main/java/ru/noties/markwon/spans/SpannableTheme.java

@@ -173,6 +173,9 @@ public class SpannableTheme {
     // by default, text color with `HEADING_DEF_BREAK_COLOR_ALPHA` applied alpha
     protected final int headingBreakColor;
 
+    // by default, whatever typeface is set on the TextView
+    protected final Typeface headingTypeface;
+
     // by default `SCRIPT_DEF_TEXT_SIZE_RATIO`
     protected final float scriptTextSizeRatio;
 
@@ -214,6 +217,7 @@ public class SpannableTheme {
         this.codeTextSize = builder.codeTextSize;
         this.headingBreakHeight = builder.headingBreakHeight;
         this.headingBreakColor = builder.headingBreakColor;
+        this.headingTypeface = builder.headingTypeface;
         this.scriptTextSizeRatio = builder.scriptTextSizeRatio;
         this.thematicBreakColor = builder.thematicBreakColor;
         this.thematicBreakHeight = builder.thematicBreakHeight;
@@ -368,7 +372,11 @@ public class SpannableTheme {
     }
 
     public void applyHeadingTextStyle(@NonNull Paint paint, @IntRange(from = 1, to = 6) int level) {
-        paint.setFakeBoldText(true);
+        if (headingTypeface == null) {
+            paint.setFakeBoldText(true);
+        } else {
+            paint.setTypeface(headingTypeface);
+        }
         paint.setTextSize(paint.getTextSize() * HEADING_SIZES[level - 1]);
     }
 
@@ -491,6 +499,7 @@ public class SpannableTheme {
         private int codeTextSize;
         private int headingBreakHeight = -1;
         private int headingBreakColor;
+        private Typeface headingTypeface;
         private float scriptTextSizeRatio;
         private int thematicBreakColor;
         private int thematicBreakHeight = -1;
@@ -520,6 +529,7 @@ public class SpannableTheme {
             this.codeTextSize = theme.codeTextSize;
             this.headingBreakHeight = theme.headingBreakHeight;
             this.headingBreakColor = theme.headingBreakColor;
+            this.headingTypeface = theme.headingTypeface;
             this.scriptTextSizeRatio = theme.scriptTextSizeRatio;
             this.thematicBreakColor = theme.thematicBreakColor;
             this.thematicBreakHeight = theme.thematicBreakHeight;
@@ -634,6 +644,12 @@ public class SpannableTheme {
             return this;
         }
 
+        @NonNull
+        public Builder headingTypeface(Typeface headingTypeface) {
+            this.headingTypeface = headingTypeface;
+            return this;
+        }
+
         @NonNull
         public Builder scriptTextSizeRatio(@FloatRange(from = .0F, to = Float.MAX_VALUE) float scriptTextSizeRatio) {
             this.scriptTextSizeRatio = scriptTextSizeRatio;

sample-custom-extension/src/main/java/ru/noties/markwon/sample/extension/MainActivity.java

@@ -1,6 +1,7 @@
 package ru.noties.markwon.sample.extension;
 
 import android.app.Activity;
+import android.graphics.Typeface;
 import android.os.Bundle;
 import android.widget.TextView;
 
@@ -13,6 +14,7 @@ import java.util.Arrays;
 
 import ru.noties.markwon.SpannableBuilder;
 import ru.noties.markwon.SpannableConfiguration;
+import ru.noties.markwon.spans.SpannableTheme;
 import ru.noties.markwon.tasklist.TaskListExtension;
 
 public class MainActivity extends Activity {
@@ -51,8 +53,13 @@ public class MainActivity extends Activity {
         final IconSpanProvider spanProvider = IconSpanProvider.create(this, 0);
 
         // create an instance of visitor to process parsed markdown
+        SpannableConfiguration configuration = SpannableConfiguration.builder(this)
+                .theme(SpannableTheme.builder()
+                        .headingTypeface(Typeface.MONOSPACE)
+                        .build())
+                .build();
         final IconVisitor visitor = new IconVisitor(
-                SpannableConfiguration.create(this),
+                configuration,
                 builder,
                 spanProvider
         );

sample-custom-extension/src/main/res/layout/activity_main.xml

@@ -11,6 +11,7 @@
         android:layout_height="wrap_content"
         android:padding="8dip"
         android:textAppearance="?android:attr/textAppearanceMedium"
+        android:textSize="15sp"
         tools:text="@string/input"/>
 
 </ScrollView>

sample-custom-extension/src/main/res/values/strings.xml

@@ -6,6 +6,7 @@
         # Hello! @ic-android-black-24\n\n
         Home 36 black: @ic-home-black-36\n\n
         Memory 48 black: @ic-memory-black-48\n\n
+        ### I AM ANOTHER HEADER\n\n
         Sentiment Satisfied 64 red: @ic-sentiment_satisfied-red-64
     ]]>
     </string>