diff options
Diffstat (limited to 'src/main/java/com/kitfox/svg/xml/StyleAttribute.java')
| -rw-r--r-- | src/main/java/com/kitfox/svg/xml/StyleAttribute.java | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/src/main/java/com/kitfox/svg/xml/StyleAttribute.java b/src/main/java/com/kitfox/svg/xml/StyleAttribute.java new file mode 100644 index 0000000..70cf71a --- /dev/null +++ b/src/main/java/com/kitfox/svg/xml/StyleAttribute.java @@ -0,0 +1,290 @@ +/*
+ * StyleAttribute.java
+ *
+ *
+ * The Salamander Project - 2D and 3D graphics libraries in Java
+ * Copyright (C) 2004 Mark McKay
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Mark McKay can be contacted at mark@kitfox.com. Salamander and other
+ * projects can be found at http://www.kitfox.com
+ *
+ * Created on January 27, 2004, 2:53 PM
+ */
+
+package com.kitfox.svg.xml;
+
+import java.awt.*;
+import java.net.*;
+import java.io.*;
+import java.util.regex.*;
+
+/**
+ * @author Mark McKay
+ * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
+ */
+public class StyleAttribute implements Serializable
+{
+ public static final long serialVersionUID = 0;
+
+ static final Matcher matchUrl = Pattern.compile("\\s*url\\((.*)\\)\\s*").matcher("");
+ static final Matcher matchFpNumUnits = Pattern.compile("\\s*([-+]?((\\d*\\.\\d+)|(\\d+))([-+]?[eE]\\d+)?)\\s*(px|cm|mm|in|pc|pt|em|ex)\\s*").matcher("");
+
+ String name;
+ String stringValue;
+
+ boolean colorCompatable = false;
+ boolean urlCompatable = false;
+
+ /** Creates a new instance of StyleAttribute */
+ public StyleAttribute()
+ {
+ this(null, null);
+ }
+
+ public StyleAttribute(String name)
+ {
+ this.name = name;
+ stringValue = null;
+ }
+
+ public StyleAttribute(String name, String stringValue)
+ {
+ this.name = name;
+ this.stringValue = stringValue;
+ }
+
+ public String getName() { return name; }
+ public StyleAttribute setName(String name) { this.name = name; return this; }
+
+ public String getStringValue() { return stringValue; }
+
+ public String[] getStringList()
+ {
+ return XMLParseUtil.parseStringList(stringValue);
+ }
+
+ public void setStringValue(String value)
+ {
+ stringValue = value;
+ }
+
+ public boolean getBooleanValue() {
+ return stringValue.toLowerCase().equals("true");
+ }
+
+ public int getIntValue() {
+ return XMLParseUtil.findInt(stringValue);
+ }
+
+ public int[] getIntList() {
+ return XMLParseUtil.parseIntList(stringValue);
+ }
+
+ public double getDoubleValue() {
+ return XMLParseUtil.findDouble(stringValue);
+ }
+
+ public double[] getDoubleList() {
+ return XMLParseUtil.parseDoubleList(stringValue);
+ }
+
+ public float getFloatValue() {
+ return XMLParseUtil.findFloat(stringValue);
+ }
+
+ public float[] getFloatList() {
+ return XMLParseUtil.parseFloatList(stringValue);
+ }
+
+ public float getRatioValue() {
+ return (float)XMLParseUtil.parseRatio(stringValue);
+// try { return Float.parseFloat(stringValue); }
+// catch (Exception e) {}
+// return 0f;
+ }
+
+ public String getUnits() {
+ matchFpNumUnits.reset(stringValue);
+ if (!matchFpNumUnits.matches()) return null;
+ return matchFpNumUnits.group(6);
+ }
+
+ public NumberWithUnits getNumberWithUnits() {
+ return XMLParseUtil.parseNumberWithUnits(stringValue);
+ }
+
+ public float getFloatValueWithUnits()
+ {
+ NumberWithUnits number = getNumberWithUnits();
+ return convertUnitsToPixels(number.getUnits(), number.getValue());
+ }
+
+ static public float convertUnitsToPixels(int unitType, float value)
+ {
+ if (unitType == NumberWithUnits.UT_UNITLESS || unitType == NumberWithUnits.UT_PERCENT)
+ {
+ return value;
+ }
+
+ float pixPerInch;
+ try
+ {
+ pixPerInch = (float)Toolkit.getDefaultToolkit().getScreenResolution();
+ }
+ catch (HeadlessException ex)
+ {
+ //default to 72 dpi
+ pixPerInch = 72;
+ }
+ final float inchesPerCm = .3936f;
+
+ switch (unitType)
+ {
+ case NumberWithUnits.UT_IN:
+ return value * pixPerInch;
+ case NumberWithUnits.UT_CM:
+ return value * inchesPerCm * pixPerInch;
+ case NumberWithUnits.UT_MM:
+ return value * .1f * inchesPerCm * pixPerInch;
+ case NumberWithUnits.UT_PT:
+ return value * (1f / 72f) * pixPerInch;
+ case NumberWithUnits.UT_PC:
+ return value * (1f / 6f) * pixPerInch;
+ }
+
+ return value;
+ }
+
+ public Color getColorValue()
+ {
+ return ColorTable.parseColor(stringValue);
+ }
+
+ public String parseURLFn()
+ {
+ matchUrl.reset(stringValue);
+ if (!matchUrl.matches()) return null;
+ return matchUrl.group(1);
+ }
+
+ public URL getURLValue(URL docRoot)
+ {
+ String fragment = parseURLFn();
+ if (fragment == null) return null;
+ try {
+ return new URL(docRoot, fragment);
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ public URL getURLValue(URI docRoot)
+ {
+ String fragment = parseURLFn();
+ if (fragment == null) return null;
+ try {
+ URI ref = docRoot.resolve(fragment);
+ return ref.toURL();
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ public URI getURIValue()
+ {
+ return getURIValue(null);
+ }
+
+ /**
+ * Parse this sytle attribute as a URL and return it in URI form resolved
+ * against the passed base.
+ *
+ * @param base - URI to resolve against. If null, will return value without
+ * attempting to resolve it.
+ */
+ public URI getURIValue(URI base)
+ {
+ try {
+ String fragment = parseURLFn();
+ if (fragment == null) fragment = stringValue;
+ if (fragment == null) return null;
+
+ //======================
+ //This gets around a bug in the 1.5.0 JDK
+ if (Pattern.matches("[a-zA-Z]:!\\\\.*", fragment))
+ {
+ File file = new File(fragment);
+ return file.toURI();
+ }
+ //======================
+
+ //[scheme:]scheme-specific-part[#fragment]
+
+ URI uriFrag = new URI(fragment);
+ if (uriFrag.isAbsolute())
+ {
+ //Has scheme
+ return uriFrag;
+ }
+
+ if (base == null) return uriFrag;
+
+ URI relBase = new URI(null, base.getSchemeSpecificPart(), null);
+ URI relUri;
+ if (relBase.isOpaque())
+ {
+ relUri = new URI(null, base.getSchemeSpecificPart(), uriFrag.getFragment());
+ }
+ else
+ {
+ relUri = relBase.resolve(uriFrag);
+ }
+ return new URI(base.getScheme() + ":" + relUri);
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+ public static void main(String[] args)
+ {
+ try
+ {
+ URI uri = new URI("jar:http://www.kitfox.com/jackal/jackal.jar!/res/doc/about.svg");
+ uri = uri.resolve("#myFragment");
+
+ System.err.println(uri.toString());
+
+ uri = new URI("http://www.kitfox.com/jackal/jackal.html");
+ uri = uri.resolve("#myFragment");
+
+ System.err.println(uri.toString());
+ }
+ catch (Exception e)
+ {
+ e.printStackTrace();
+ }
+ }
+}
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