Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / svg / CreateSVGElement.java

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/svg/CreateSVGElement.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/svg/CreateSVGElement.java
new file mode 100644 (file)
index 0000000..411f61c
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/svg/CreateSVGElement.java
@@ -0,0 +1,68 @@
+package org.simantics.modeling.svg;\r
+\r
+import java.io.File;\r
+import java.io.IOException;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.utils.OrderedSetUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.diagram.stubs.DiagramResource;\r
+import org.simantics.diagram.stubs.G2DResource;\r
+import org.simantics.diagram.synchronization.graph.AddElement;\r
+import org.simantics.image2.ontology.ImageResource;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.layer0.utils.direct.GraphUtils;\r
+import org.simantics.utils.FileUtils;\r
+\r
+public class CreateSVGElement {\r
+\r
+    public static void createSVGElement(WriteGraph g, Resource diagram, String suffix, byte[] data, double mposX, double mposY) throws DatabaseException {\r
+\r
+        Layer0 L0 = Layer0.getInstance(g);\r
+        DiagramResource DIA = DiagramResource.getInstance(g);\r
+        ImageResource IMAGE = ImageResource.getInstance(g);\r
+        G2DResource G2D = G2DResource.getInstance(g);\r
+\r
+        Resource element;\r
+        if("svg".equals(suffix)) {\r
+            Resource transform = GraphUtils.create(g, L0.InstanceOf, G2D.Transform);\r
+            g.claimValue(transform, new double[] {1.0, 0.0, 0.0, 1.0, mposX, mposY}, Bindings.DOUBLE_ARRAY);\r
+            element = GraphUtils.create(g,\r
+                    L0.InstanceOf, DIA.SVGElement,\r
+                    G2D.HasSVGDocument, new String(data),\r
+                    DIA.HasTransform, transform);\r
+            AddElement.claimFreshElementName(g, diagram, element);\r
+        } else if ("png".equals(suffix)) {\r
+            Resource transform = GraphUtils.create(g, L0.InstanceOf, G2D.Transform);\r
+            g.claimValue(transform, new double[] {1.0, 0.0, 0.0, 1.0, mposX, mposY}, Bindings.DOUBLE_ARRAY);\r
+            Resource image = g.newResource();\r
+            g.claim(image, L0.InstanceOf, IMAGE.PngImage);\r
+            g.claimValue(image, data, Bindings.BYTE_ARRAY);\r
+            element = GraphUtils.create(g,\r
+                    L0.InstanceOf, DIA.RasterElement,\r
+                    G2D.HasRasterImage, image,\r
+                    DIA.HasTransform, transform);\r
+            AddElement.claimFreshElementName(g, diagram, element);\r
+        }\r
+        else\r
+            throw new DatabaseException("Unknown image format " + suffix);\r
+        OrderedSetUtils.addFirst(g, diagram, element);\r
+        g.claim(diagram, L0.ConsistsOf, element);\r
+\r
+    }\r
+    \r
+    public static void importSVGElement(WriteGraph graph, Resource diagram, File file, double posX, double posY) throws DatabaseException, IOException {\r
+        \r
+        final byte[] data = FileUtils.readFile(file);\r
+        createSVGElement(graph, diagram, suffix(file.getName()), data, posX, posY);\r
+    }\r
+    \r
+    private static String suffix(String fileName) {\r
+        int len = fileName.length();\r
+        if(len < 3) return null;\r
+        else return fileName.substring(len-3,len).toLowerCase();\r
+    }\r
+    \r
+}\r