1 files changed, 121 insertions, 0 deletions
diff --git a/src/com/android/camera/drawable/TextDrawable.java b/src/com/android/camera/drawable/TextDrawable.java
new file mode 100644
index 000000000..60d8719c4
--- /dev/null
+++ b/src/com/android/camera/drawable/TextDrawable.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2012 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 com.android.camera.drawable;
+
+import android.content.res.Resources;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.ColorFilter;
+import android.graphics.Paint;
+import android.graphics.Typeface;
+import android.graphics.Paint.Align;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.util.TypedValue;
+
+
+public class TextDrawable extends Drawable {
+
+    private static final int DEFAULT_COLOR = Color.WHITE;
+    private static final int DEFAULT_TEXTSIZE = 15;
+
+    private Paint mPaint;
+    private CharSequence mText;
+    private int mIntrinsicWidth;
+    private int mIntrinsicHeight;
+    private boolean mUseDropShadow;
+
+    public TextDrawable(Resources res) {
+        this(res, "");
+    }
+
+    public TextDrawable(Resources res, CharSequence text) {
+        mText = text;
+        updatePaint();
+        float textSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
+                DEFAULT_TEXTSIZE, res.getDisplayMetrics());
+        mPaint.setTextSize(textSize);
+        mIntrinsicWidth = (int) (mPaint.measureText(mText, 0, mText.length()) + .5);
+        mIntrinsicHeight = mPaint.getFontMetricsInt(null);
+    }
+
+    private void updatePaint() {
+        if (mPaint == null) {
+            mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        }
+        mPaint.setColor(DEFAULT_COLOR);
+        mPaint.setTextAlign(Align.CENTER);
+        if (mUseDropShadow) {
+            mPaint.setTypeface(Typeface.DEFAULT_BOLD);
+            mPaint.setShadowLayer(10, 0, 0, 0xff000000);
+        } else {
+            mPaint.setTypeface(Typeface.DEFAULT);
+            mPaint.setShadowLayer(0, 0, 0, 0);
+        }
+    }
+
+    public void setText(CharSequence txt) {
+        mText = txt;
+        if (txt == null) {
+            mIntrinsicWidth = 0;
+            mIntrinsicHeight = 0;
+        } else {
+            mIntrinsicWidth = (int) (mPaint.measureText(mText, 0, mText.length()) + .5);
+            mIntrinsicHeight = mPaint.getFontMetricsInt(null);
+        }
+    }
+
+    @Override
+    public void draw(Canvas canvas) {
+        if (mText != null) {
+            Rect bounds = getBounds();
+            canvas.drawText(mText, 0, mText.length(),
+                    bounds.centerX(), bounds.centerY(), mPaint);
+        }
+    }
+
+    public void setDropShadow(boolean shadow) {
+        mUseDropShadow = shadow;
+        updatePaint();
+    }
+
+    @Override
+    public int getOpacity() {
+        return mPaint.getAlpha();
+    }
+
+    @Override
+    public int getIntrinsicWidth() {
+        return mIntrinsicWidth;
+    }
+
+    @Override
+    public int getIntrinsicHeight() {
+        return mIntrinsicHeight;
+    }
+
+    @Override
+    public void setAlpha(int alpha) {
+        mPaint.setAlpha(alpha);
+    }
+
+    @Override
+    public void setColorFilter(ColorFilter filter) {
+        mPaint.setColorFilter(filter);
+    }
+
+}