1 package org.simantics.modeling.svg;
4 import java.io.IOException;
5 import java.nio.charset.StandardCharsets;
7 import org.simantics.databoard.Bindings;
8 import org.simantics.db.Resource;
9 import org.simantics.db.WriteGraph;
10 import org.simantics.db.common.utils.OrderedSetUtils;
11 import org.simantics.db.exception.DatabaseException;
12 import org.simantics.diagram.stubs.DiagramResource;
13 import org.simantics.diagram.stubs.G2DResource;
14 import org.simantics.diagram.synchronization.graph.AddElement;
15 import org.simantics.image2.ontology.ImageResource;
16 import org.simantics.layer0.Layer0;
17 import org.simantics.layer0.utils.direct.GraphUtils;
18 import org.simantics.utils.FileUtils;
20 public class CreateSVGElement {
22 public static void createSVGElement(WriteGraph g, Resource diagram, String suffix, byte[] data, double mposX, double mposY) throws DatabaseException {
23 createSVGElement(g, diagram, suffix, data, mposX, mposY);
26 public static Resource createSVGElementR(WriteGraph g, Resource diagram, String suffix, byte[] data, double mposX, double mposY) throws DatabaseException {
28 Layer0 L0 = Layer0.getInstance(g);
29 DiagramResource DIA = DiagramResource.getInstance(g);
30 ImageResource IMAGE = ImageResource.getInstance(g);
31 G2DResource G2D = G2DResource.getInstance(g);
34 if("svg".equals(suffix)) {
35 Resource transform = GraphUtils.create(g, L0.InstanceOf, G2D.Transform);
36 g.claimValue(transform, new double[] {1.0, 0.0, 0.0, 1.0, mposX, mposY}, Bindings.DOUBLE_ARRAY);
37 element = GraphUtils.create(g,
38 L0.InstanceOf, DIA.SVGElement,
39 G2D.HasSVGDocument, new String(data, StandardCharsets.UTF_8),
40 DIA.HasTransform, transform);
41 AddElement.claimFreshElementName(g, diagram, element);
42 } else if ("png".equals(suffix)) {
43 Resource transform = GraphUtils.create(g, L0.InstanceOf, G2D.Transform);
44 g.claimValue(transform, new double[] {1.0, 0.0, 0.0, 1.0, mposX, mposY}, Bindings.DOUBLE_ARRAY);
45 Resource image = g.newResource();
46 g.claim(image, L0.InstanceOf, IMAGE.PngImage);
47 g.claimValue(image, data, Bindings.BYTE_ARRAY);
48 element = GraphUtils.create(g,
49 L0.InstanceOf, DIA.RasterElement,
50 G2D.HasRasterImage, image,
51 DIA.HasTransform, transform);
52 AddElement.claimFreshElementName(g, diagram, element);
55 throw new DatabaseException("Unknown image format " + suffix);
56 OrderedSetUtils.addFirst(g, diagram, element);
57 g.claim(diagram, L0.ConsistsOf, element);
61 public static void importSVGElement(WriteGraph graph, Resource diagram, File file, double posX, double posY) throws DatabaseException, IOException {
62 importSVGElementR(graph, diagram, file, posX, posY);
65 public static Resource importSVGElementR(WriteGraph graph, Resource diagram, File file, double posX, double posY) throws DatabaseException, IOException {
66 final byte[] data = FileUtils.readFile(file);
67 return createSVGElementR(graph, diagram, suffix(file.getName()), data, posX, posY);
70 private static String suffix(String fileName) {
71 int len = fileName.length();
72 if(len < 3) return null;
73 else return fileName.substring(len-3,len).toLowerCase();