123 lines
3.7 KiB
Java
123 lines
3.7 KiB
Java
/*
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* Copyright 2013 Hannes Janetzek
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* Copyright 2016 devemux86
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*
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* This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.oscim.awt;
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import org.oscim.backend.CanvasAdapter;
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import org.oscim.backend.canvas.Bitmap;
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import org.oscim.backend.canvas.Canvas;
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import org.oscim.backend.canvas.Paint;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.io.InputStream;
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public class AwtGraphics extends CanvasAdapter {
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public static void init() {
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CanvasAdapter.init(new AwtGraphics());
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}
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public static BufferedImage getBitmap(Bitmap bitmap) {
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return ((AwtBitmap) bitmap).bitmap;
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}
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private AwtGraphics() {
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// do nothing
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}
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@Override
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public Paint newPaintImpl() {
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return new AwtPaint();
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}
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@Override
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public Bitmap newBitmapImpl(int width, int height, int format) {
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return new AwtBitmap(width, height, format);
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}
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@Override
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public Canvas newCanvasImpl() {
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return new AwtCanvas();
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}
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static final BufferedImage image;
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static final Graphics2D canvas;
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static {
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image = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
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canvas = image.createGraphics();
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canvas.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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//canvas.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
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//canvas.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
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}
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static synchronized FontMetrics getFontMetrics(Font font) {
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canvas.setFont(font);
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// get character measurements
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FontMetrics fm = canvas.getFontMetrics();
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// int ascent = fm.getMaxAscent();
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// int descent = fm.getMaxDescent();
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// int advance = fm.charWidth('W'); // width of widest char, more
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// reliable than getMaxAdvance();
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// int leading = fm.getLeading();
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//
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return fm;
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}
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static synchronized float getTextWidth(FontMetrics fm, String text) {
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//return (float)fm.getStringBounds(text, canvas).getWidth();
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return fm.stringWidth(text);
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}
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@Override
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public Bitmap decodeBitmapImpl(InputStream inputStream) {
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try {
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return new AwtBitmap(inputStream);
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} catch (IOException e) {
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e.printStackTrace();
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return null;
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}
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}
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@Override
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public Bitmap decodeSvgBitmapImpl(InputStream inputStream) {
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try {
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return new AwtSvgBitmap(inputStream);
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} catch (IOException e) {
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e.printStackTrace();
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return null;
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}
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}
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@Override
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public Bitmap loadBitmapAssetImpl(String relativePathPrefix, String src) {
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try {
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return createBitmap(relativePathPrefix, src);
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} catch (IOException e) {
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e.printStackTrace();
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}
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return null;
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}
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}
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