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AWTStyleDatabase: adapt to StyleDatabase change in core.
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‎junit/io/sf/carte/doc/style/css/awt/AWTStyleDatabaseTest.java

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/*
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Copyright (c) 2005-2019, Carlos Amengual.
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SPDX-License-Identifier: BSD-3-Clause
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Licensed under a BSD-style License. You can find the license here:
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https://css4j.github.io/LICENSE.txt
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*/
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package io.sf.carte.doc.style.css.awt;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertTrue;
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import java.awt.Font;
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import java.io.IOException;
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import java.util.Locale;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import org.junit.Before;
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import org.junit.Test;
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import org.w3c.dom.DOMException;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.w3c.dom.stylesheets.LinkStyle;
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import io.sf.carte.doc.agent.HeadlessDeviceFactory;
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import io.sf.carte.doc.style.css.CSSDocument;
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import io.sf.carte.doc.style.css.CSSElement;
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import io.sf.carte.doc.style.css.CSSMediaException;
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import io.sf.carte.doc.style.css.om.AbstractCSSStyleSheet;
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import io.sf.carte.doc.style.css.om.FontFaceRule;
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import io.sf.carte.doc.style.css.om.TestCSSStyleSheetFactory;
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public class AWTStyleDatabaseTest {
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private CSSDocument cssdoc;
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private Node styleText;
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private AbstractCSSStyleSheet sheet;
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private AWTStyleDatabase styleDb;
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@Before
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public void setUp() throws DOMException, ParserConfigurationException, CSSMediaException {
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TestCSSStyleSheetFactory factory = new TestCSSStyleSheetFactory();
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HeadlessDeviceFactory deviceFactory = new HeadlessDeviceFactory();
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styleDb = new AWTStyleDatabase();
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deviceFactory.setStyleDatabase("screen", styleDb);
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factory.setDeviceFactory(deviceFactory);
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DocumentBuilderFactory dbFac = DocumentBuilderFactory.newInstance();
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Document doc = dbFac.newDocumentBuilder().getDOMImplementation().createDocument(null, "html", null);
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Element head = doc.createElement("head");
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Element style = doc.createElement("style");
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style.setAttribute("id", "styleId");
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style.setIdAttribute("id", true);
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style.setAttribute("type", "text/css");
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style.setAttribute("media", "screen");
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style.setTextContent(" ");
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doc.getDocumentElement().appendChild(head);
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head.appendChild(style);
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Element body = doc.createElement("body");
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body.setAttribute("id", "bodyId");
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body.setIdAttribute("id", true);
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doc.getDocumentElement().appendChild(body);
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cssdoc = factory.createCSSDocument(doc);
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cssdoc.setTargetMedium("screen");
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CSSElement cssStyle = cssdoc.getElementById("styleId");
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sheet = (AbstractCSSStyleSheet) ((LinkStyle) cssStyle).getSheet();
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styleText = cssStyle.getChildNodes().item(0);
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}
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@Test
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public void testFontFaceRule() throws IOException {
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styleText.setNodeValue(
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"@font-face{font-family:'OpenSans Regular';src:url('http://www.example.com/fonts/OpenSans-Regular.ttf') format('truetype')}");
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FontFaceRule ffrule = (FontFaceRule) sheet.getCssRules().item(0);
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assertEquals(2, ffrule.getStyle().getLength());
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assertEquals(
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"@font-face {font-family: 'OpenSans Regular'; src: url('http://www.example.com/fonts/OpenSans-Regular.ttf') format('truetype'); }",
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ffrule.getCssText());
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assertEquals("url('http://www.example.com/fonts/OpenSans-Regular.ttf') format('truetype')",
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ffrule.getStyle().getPropertyValue("src"));
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//
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CSSElement body = cssdoc.getElementById("bodyId");
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body.getComputedStyle(null);
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assertTrue(styleDb.isFontFaceName("opensans regular"));
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Font font = styleDb.getFont("opensans regular");
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assertNotNull(font);
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assertEquals("Open Sans", font.getFamily(Locale.ROOT));
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assertEquals("Open Sans Regular", font.getFontName(Locale.ROOT));
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}
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}

‎src/io/sf/carte/doc/style/css/awt/AWTStyleDatabase.java

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package io.sf.carte.doc.style.css.awt;
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import java.awt.Font;
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import java.awt.FontFormatException;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsEnvironment;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.HashMap;
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import java.util.Map;
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import org.w3c.dom.DOMException;
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import org.w3c.dom.css.CSSPrimitiveValue;
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import io.sf.carte.doc.style.css.AbstractStyleDatabase;
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import io.sf.carte.doc.style.css.ExtendedCSSFontFaceRule;
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/**
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* CSS style database for use with AWT objects.
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private float defaultWidth = 595f;
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private float defaultHeight = 842f;
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private final Map<String,Font> fontfaceNames = new HashMap<String,Font>();
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/**
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* Constructs a default style database with no graphics configuration.
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*/
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return false;
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}
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@Override
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public boolean isFontFaceName(String requestedFamily) {
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return fontfaceNames.containsKey(requestedFamily);
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}
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@Override
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protected boolean loadFontFace(String familyName, FontFormat format, InputStream is, ExtendedCSSFontFaceRule rule)
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throws IOException {
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int fontFormat;
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if (format == null || (fontFormat = fontFormatFromEnum(format)) == -1) {
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return false;
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}
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Font font;
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try {
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font = Font.createFont(fontFormat, is);
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} catch (FontFormatException e) {
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rule.getParentStyleSheet().getErrorHandler().fontFormatError(rule, e);
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return false;
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}
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fontfaceNames.put(familyName, font);
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return true;
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}
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private int fontFormatFromEnum(FontFormat format) {
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int fontFormat;
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switch (format) {
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case TRUETYPE:
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case OPENTYPE:
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fontFormat = Font.TRUETYPE_FONT;
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break;
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default:
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fontFormat = -1;
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}
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return fontFormat;
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}
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/**
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* Get a font that was loaded by a {@literal @}font-face rule.
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*
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* @param lcFamilyName the family name in lowercase.
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* @return the font, or <code>null</code> if no font with that family name (in
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* lowercase) has been loaded from a {@literal @}font-face rule.
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*/
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public Font getFont(String lcFamilyName) {
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return fontfaceNames.get(lcFamilyName);
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}
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/**
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* Gets the GraphicsConfiguration for this style database.
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*

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