1 files changed, 77 insertions, 0 deletions
diff --git a/core/java/android/text/style/TypefaceSpan.java b/core/java/android/text/style/TypefaceSpan.java
new file mode 100644
index 0000000..7519ac2
--- /dev/null
+++ b/core/java/android/text/style/TypefaceSpan.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2006 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.
+ */
+
+package android.text.style;
+
+import android.graphics.Paint;
+import android.graphics.Typeface;
+import android.text.TextPaint;
+
+/**
+ * Changes the typeface family of the text to which the span is attached.
+ */
+public class TypefaceSpan extends MetricAffectingSpan {
+    private String mFamily;
+
+    /**
+     * @param family The font family for this typeface.  Examples include
+     * "monospace", "serif", and "sans-serif".
+     */
+    public TypefaceSpan(String family) {
+        mFamily = family;
+    }
+
+    /**
+     * Returns the font family name.
+     */
+    public String getFamily() {
+        return mFamily;
+    }
+
+    @Override
+    public void updateDrawState(TextPaint ds) {
+        apply(ds, mFamily);
+    }
+
+    @Override
+    public void updateMeasureState(TextPaint paint) {
+        apply(paint, mFamily);
+    }
+
+    private static void apply(Paint paint, String family) {
+        int oldStyle;
+
+        Typeface old = paint.getTypeface();
+        if (old == null) {
+            oldStyle = 0;
+        } else {
+            oldStyle = old.getStyle();
+        }
+
+        Typeface tf = Typeface.create(family, oldStyle);
+        int fake = oldStyle & ~tf.getStyle();
+
+        if ((fake & Typeface.BOLD) != 0) {
+            paint.setFakeBoldText(true);
+        }
+
+        if ((fake & Typeface.ITALIC) != 0) {
+            paint.setTextSkewX(-0.25f);
+        }
+
+        paint.setTypeface(tf);
+    }
+}