diff options
Diffstat (limited to 'android/experimental/LOAndroid/app/src/main/java/org/mozilla/gecko/gfx/TextLayer.java')
-rw-r--r-- | android/experimental/LOAndroid/app/src/main/java/org/mozilla/gecko/gfx/TextLayer.java | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/android/experimental/LOAndroid/app/src/main/java/org/mozilla/gecko/gfx/TextLayer.java b/android/experimental/LOAndroid/app/src/main/java/org/mozilla/gecko/gfx/TextLayer.java deleted file mode 100644 index c8eb99cb4a88..000000000000 --- a/android/experimental/LOAndroid/app/src/main/java/org/mozilla/gecko/gfx/TextLayer.java +++ /dev/null @@ -1,69 +0,0 @@ -/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -package org.mozilla.gecko.gfx; - -import org.mozilla.gecko.mozglue.DirectBufferAllocator; - -import android.graphics.Bitmap; -import android.graphics.Canvas; -import android.graphics.Color; -import android.graphics.Paint; -import android.graphics.Typeface; - -import java.nio.ByteBuffer; - -/** - * Draws text on a layer. This is used for the frame rate meter. - */ -public class TextLayer extends SingleTileLayer { - private final ByteBuffer mBuffer; // this buffer is owned by the BufferedCairoImage - private final IntSize mSize; - - /* - * This awkward pattern is necessary due to Java's restrictions on when one can call superclass - * constructors. - */ - private TextLayer(ByteBuffer buffer, BufferedCairoImage image, IntSize size, String text) { - super(false, image); - mBuffer = buffer; - mSize = size; - renderText(text); - } - - public static TextLayer create(IntSize size, String text) { - ByteBuffer buffer = DirectBufferAllocator.allocate(size.width * size.height * 4); - BufferedCairoImage image = new BufferedCairoImage(buffer, size.width, size.height, - CairoImage.FORMAT_ARGB32); - return new TextLayer(buffer, image, size, text); - } - - public void setText(String text) { - renderText(text); - invalidate(); - } - - private void renderText(String text) { - Bitmap bitmap = Bitmap.createBitmap(mSize.width, mSize.height, Bitmap.Config.ARGB_8888); - Canvas canvas = new Canvas(bitmap); - - Paint textPaint = new Paint(); - textPaint.setAntiAlias(true); - textPaint.setColor(Color.WHITE); - textPaint.setFakeBoldText(true); - textPaint.setTextSize(18.0f); - textPaint.setTypeface(Typeface.DEFAULT_BOLD); - float width = textPaint.measureText(text) + 18.0f; - - Paint backgroundPaint = new Paint(); - backgroundPaint.setColor(Color.argb(127, 0, 0, 0)); - canvas.drawRect(0.0f, 0.0f, width, 18.0f + 6.0f, backgroundPaint); - - canvas.drawText(text, 6.0f, 18.0f, textPaint); - - bitmap.copyPixelsToBuffer(mBuffer.asIntBuffer()); - } -} - |