mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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100 lines
3.7 KiB
Java
100 lines
3.7 KiB
Java
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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009-2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick Walton <pcwalton@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko.gfx;
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import org.mozilla.gecko.gfx.BufferedCairoImage;
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import org.mozilla.gecko.gfx.CairoImage;
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import org.mozilla.gecko.gfx.IntSize;
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import org.mozilla.gecko.gfx.SingleTileLayer;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Typeface;
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import android.util.Log;
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import java.nio.ByteBuffer;
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import java.nio.IntBuffer;
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/**
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* Draws text on a layer. This is used for the frame rate meter.
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*/
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public class TextLayer extends SingleTileLayer {
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private ByteBuffer mBuffer;
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private BufferedCairoImage mImage;
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private IntSize mSize;
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private String mText;
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public TextLayer(IntSize size) {
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super(false);
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mBuffer = ByteBuffer.allocateDirect(size.width * size.height * 4);
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mSize = size;
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mImage = new BufferedCairoImage(mBuffer, size.width, size.height,
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CairoImage.FORMAT_ARGB32);
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mText = "";
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}
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public void setText(String text) {
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mText = text;
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renderText();
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paintImage(mImage);
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}
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private void renderText() {
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Bitmap bitmap = Bitmap.createBitmap(mSize.width, mSize.height, Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(bitmap);
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Paint textPaint = new Paint();
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textPaint.setAntiAlias(true);
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textPaint.setColor(Color.WHITE);
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textPaint.setFakeBoldText(true);
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textPaint.setTextSize(18.0f);
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textPaint.setTypeface(Typeface.DEFAULT_BOLD);
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float width = textPaint.measureText(mText) + 18.0f;
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Paint backgroundPaint = new Paint();
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backgroundPaint.setColor(Color.argb(127, 0, 0, 0));
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canvas.drawRect(0.0f, 0.0f, width, 18.0f + 6.0f, backgroundPaint);
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canvas.drawText(mText, 6.0f, 18.0f, textPaint);
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bitmap.copyPixelsToBuffer(mBuffer.asIntBuffer());
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}
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}
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