mirror of
https://github.com/curioustorvald/Terrarum.git
synced 2026-03-15 08:06:06 +09:00
added sources for Slick
Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054 Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d
This commit is contained in:
Song Minjae
226
lib/slick-source/org/newdawn/slick/svg/InkscapeLoader.java
Normal file
226
lib/slick-source/org/newdawn/slick/svg/InkscapeLoader.java
Normal file
@@ -0,0 +1,226 @@
|
||||
package org.newdawn.slick.svg;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.ArrayList;
|
||||
|
||||
import javax.xml.parsers.DocumentBuilder;
|
||||
import javax.xml.parsers.DocumentBuilderFactory;
|
||||
|
||||
import org.newdawn.slick.SlickException;
|
||||
import org.newdawn.slick.geom.Transform;
|
||||
import org.newdawn.slick.svg.inkscape.DefsProcessor;
|
||||
import org.newdawn.slick.svg.inkscape.ElementProcessor;
|
||||
import org.newdawn.slick.svg.inkscape.EllipseProcessor;
|
||||
import org.newdawn.slick.svg.inkscape.GroupProcessor;
|
||||
import org.newdawn.slick.svg.inkscape.LineProcessor;
|
||||
import org.newdawn.slick.svg.inkscape.PathProcessor;
|
||||
import org.newdawn.slick.svg.inkscape.PolygonProcessor;
|
||||
import org.newdawn.slick.svg.inkscape.RectProcessor;
|
||||
import org.newdawn.slick.svg.inkscape.UseProcessor;
|
||||
import org.newdawn.slick.util.ResourceLoader;
|
||||
import org.w3c.dom.Document;
|
||||
import org.w3c.dom.Element;
|
||||
import org.w3c.dom.NodeList;
|
||||
import org.xml.sax.EntityResolver;
|
||||
import org.xml.sax.InputSource;
|
||||
import org.xml.sax.SAXException;
|
||||
|
||||
/**
|
||||
* A loader specifically for the SVG that is produced from Inkscape
|
||||
*
|
||||
* @author kevin
|
||||
*/
|
||||
public class InkscapeLoader implements Loader {
|
||||
/**
|
||||
* The number of times to over trigulate to get enough tesselation for
|
||||
* smooth shading
|
||||
*/
|
||||
public static int RADIAL_TRIANGULATION_LEVEL = 1;
|
||||
|
||||
/** The list of XML element processors */
|
||||
private static ArrayList processors = new ArrayList();
|
||||
|
||||
/** The diagram loaded */
|
||||
private Diagram diagram;
|
||||
|
||||
static {
|
||||
addElementProcessor(new RectProcessor());
|
||||
addElementProcessor(new EllipseProcessor());
|
||||
addElementProcessor(new PolygonProcessor());
|
||||
addElementProcessor(new PathProcessor());
|
||||
addElementProcessor(new LineProcessor());
|
||||
addElementProcessor(new GroupProcessor());
|
||||
addElementProcessor(new DefsProcessor());
|
||||
addElementProcessor(new UseProcessor());
|
||||
}
|
||||
|
||||
/**
|
||||
* Add an <code>ElementProcessor</code> which will be passed
|
||||
* each element read as the Inkscape SVG document is processed.
|
||||
*
|
||||
* @param proc The processor to be added
|
||||
*/
|
||||
public static void addElementProcessor(ElementProcessor proc) {
|
||||
processors.add(proc);
|
||||
}
|
||||
|
||||
/**
|
||||
* Load a SVG document into a diagram
|
||||
*
|
||||
* @param ref
|
||||
* The reference in the classpath to load the diagram from
|
||||
* @param offset
|
||||
* Offset the diagram for the height of the document
|
||||
* @return The diagram loaded
|
||||
* @throws SlickException
|
||||
* Indicates a failure to process the document
|
||||
*/
|
||||
public static Diagram load(String ref, boolean offset)
|
||||
throws SlickException {
|
||||
return load(ResourceLoader.getResourceAsStream(ref), offset);
|
||||
}
|
||||
|
||||
/**
|
||||
* Load a SVG document into a diagram
|
||||
*
|
||||
* @param ref
|
||||
* The reference in the classpath to load the diagram from
|
||||
* @return The diagram loaded
|
||||
* @throws SlickException
|
||||
* Indicates a failure to process the document
|
||||
*/
|
||||
public static Diagram load(String ref) throws SlickException {
|
||||
return load(ResourceLoader.getResourceAsStream(ref), false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Load a SVG document into a diagram
|
||||
*
|
||||
* @param offset
|
||||
* Offset the diagram for the height of the document
|
||||
* @param in
|
||||
* The input stream from which to read the SVG
|
||||
* @return The diagram loaded
|
||||
* @throws SlickException
|
||||
* Indicates a failure to process the document
|
||||
*/
|
||||
public static Diagram load(InputStream in, boolean offset)
|
||||
throws SlickException {
|
||||
return new InkscapeLoader().loadDiagram(in, offset);
|
||||
}
|
||||
|
||||
/**
|
||||
* Private, you should be using the static method
|
||||
*/
|
||||
private InkscapeLoader() {
|
||||
}
|
||||
|
||||
/**
|
||||
* Load a SVG document into a diagram
|
||||
*
|
||||
* @param in
|
||||
* The input stream from which to read the SVG
|
||||
* @return The diagram loaded
|
||||
* @throws SlickException
|
||||
* Indicates a failure to process the document
|
||||
*/
|
||||
private Diagram loadDiagram(InputStream in) throws SlickException {
|
||||
return loadDiagram(in, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Load a SVG document into a diagram
|
||||
*
|
||||
* @param in
|
||||
* The input stream from which to read the SVG
|
||||
* @param offset
|
||||
* Offset the diagram for the height of the document
|
||||
* @return The diagram loaded
|
||||
* @throws SlickException
|
||||
* Indicates a failure to process the document
|
||||
*/
|
||||
private Diagram loadDiagram(InputStream in, boolean offset)
|
||||
throws SlickException {
|
||||
try {
|
||||
DocumentBuilderFactory factory = DocumentBuilderFactory
|
||||
.newInstance();
|
||||
factory.setValidating(false);
|
||||
factory.setNamespaceAware(true);
|
||||
|
||||
DocumentBuilder builder = factory.newDocumentBuilder();
|
||||
builder.setEntityResolver(new EntityResolver() {
|
||||
public InputSource resolveEntity(String publicId,
|
||||
String systemId) throws SAXException, IOException {
|
||||
return new InputSource(
|
||||
new ByteArrayInputStream(new byte[0]));
|
||||
}
|
||||
});
|
||||
|
||||
Document doc = builder.parse(in);
|
||||
Element root = doc.getDocumentElement();
|
||||
|
||||
String widthString = root.getAttribute("width");
|
||||
while (Character.isLetter(widthString
|
||||
.charAt(widthString.length() - 1))) {
|
||||
widthString = widthString.substring(0, widthString.length() - 1);
|
||||
}
|
||||
|
||||
String heightString = root.getAttribute("height");
|
||||
while (Character.isLetter(heightString
|
||||
.charAt(heightString.length() - 1))) {
|
||||
heightString = heightString.substring(0,heightString.length() - 1);
|
||||
}
|
||||
|
||||
float docWidth = Float.parseFloat(widthString);
|
||||
float docHeight = Float.parseFloat(heightString);
|
||||
|
||||
diagram = new Diagram(docWidth, docHeight);
|
||||
if (!offset) {
|
||||
docHeight = 0;
|
||||
}
|
||||
loadChildren(root, Transform
|
||||
.createTranslateTransform(0, -docHeight));
|
||||
|
||||
return diagram;
|
||||
} catch (Exception e) {
|
||||
throw new SlickException("Failed to load inkscape document", e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @see org.newdawn.slick.svg.Loader#loadChildren(org.w3c.dom.Element,
|
||||
* org.newdawn.slick.geom.Transform)
|
||||
*/
|
||||
public void loadChildren(Element element, Transform t)
|
||||
throws ParsingException {
|
||||
NodeList list = element.getChildNodes();
|
||||
for (int i = 0; i < list.getLength(); i++) {
|
||||
if (list.item(i) instanceof Element) {
|
||||
loadElement((Element) list.item(i), t);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Load a single element into the diagram
|
||||
*
|
||||
* @param element
|
||||
* The element ot be loaded
|
||||
* @param t
|
||||
* The transform to apply to the loaded element from the parent
|
||||
* @throws ParsingException
|
||||
* Indicates a failure to parse the element
|
||||
*/
|
||||
private void loadElement(Element element, Transform t)
|
||||
throws ParsingException {
|
||||
for (int i = 0; i < processors.size(); i++) {
|
||||
ElementProcessor processor = (ElementProcessor) processors.get(i);
|
||||
|
||||
if (processor.handles(element)) {
|
||||
processor.process(this, element, diagram, t);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user