-package org.simantics.diagram.svg.export;\r
-\r
-import java.awt.Graphics2D;\r
-import java.awt.Point;\r
-import java.awt.RenderingHints;\r
-import java.awt.geom.AffineTransform;\r
-import java.awt.geom.Rectangle2D;\r
-import java.io.StringWriter;\r
-import java.util.UUID;\r
-\r
-import org.apache.batik.dom.GenericDOMImplementation;\r
-import org.apache.batik.svggen.SVGGraphics2D;\r
-import org.simantics.g2d.canvas.ICanvasContext;\r
-import org.simantics.g2d.diagram.DiagramHints;\r
-import org.simantics.g2d.diagram.DiagramUtils;\r
-import org.simantics.g2d.diagram.IDiagram;\r
-import org.simantics.g2d.participant.TransformUtil;\r
-import org.simantics.scenegraph.g2d.G2DRenderingHints;\r
-import org.simantics.scenegraph.utils.QualityHints;\r
-import org.simantics.utils.page.MarginUtils;\r
-import org.simantics.utils.page.MarginUtils.Margins;\r
-import org.w3c.dom.DOMImplementation;\r
-import org.w3c.dom.Document;\r
-import org.w3c.dom.Element;\r
-\r
-\r
-/**\r
- * org.simantics.diagram.export.ImageBuilder with SVG support \r
- * \r
- * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
- *\r
- */\r
-public class SVGBuilder {\r
- Double dpi;\r
- Point size;\r
- double margin;\r
- Margins margins;\r
- \r
- /**\r
- * \r
- * @param file File to write the image (optional)\r
- * @param dpi Dots Per Inch\r
- * @param size Image size in pixels\r
- * @param margin percentage of image width for margins. 0.05 is 5%.\r
- */\r
- public SVGBuilder(Double dpi, Point size, double margin) {\r
- this.dpi = dpi;\r
- this.size = size;\r
- this.margin = Math.max(margin,0.0);\r
- this.margins = null;\r
- }\r
-\r
- /**\r
- * \r
- * @param file File to write the image (optional)\r
- * @param dpi Dots Per Inch\r
- * @param size Image size in pixels\r
- * @param margins Margins\r
- */\r
- public SVGBuilder(Double dpi, Point size, Margins margins) {\r
- this.dpi = dpi;\r
- this.size = size;\r
- this.margin = 0.0;\r
- this.margins = margins;\r
- }\r
- \r
- public static SVGGraphics2D defaultSVGGenerator() {\r
- DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();\r
- \r
- // Create an instance of org.w3c.dom.Document.\r
- String svgNS = "http://www.w3.org/2000/svg";\r
- Document document = domImpl.createDocument(svgNS, "svg", null);\r
- \r
- // Create an instance of the SVG Generator.\r
- SVGGraphics2D svgGenerator = new SVGGraphics2D(document);\r
- svgGenerator.getGeneratorContext().setIDGenerator(new UniqueIDGenerator(UUID.randomUUID().toString()));\r
- return svgGenerator;\r
- }\r
-\r
- /**\r
- * @param canvasContext\r
- * the canvas context to paint\r
- * @param writeResults\r
- * <code>true</code> to actually write the resulting Image to the file.\r
- */\r
- public String paint(ICanvasContext canvasContext) throws Exception {\r
- return paint(canvasContext, defaultSVGGenerator());\r
- }\r
- \r
- /**\r
- * @param canvasContext\r
- * the canvas context to paint\r
- * svgGenerator \r
- * the svg generator to use\r
- * @param writeResults\r
- * <code>true</code> to actually write the resulting Image to the file.\r
- */\r
- public String paint(ICanvasContext canvasContext, SVGGraphics2D svgGenerator) throws Exception {\r
- \r
- Graphics2D g2 = svgGenerator;\r
- \r
- IDiagram diagram = canvasContext.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);\r
- Rectangle2D diagramRect = DiagramUtils.getContentRect(diagram);\r
-\r
- if (diagramRect == null)\r
- diagramRect = new Rectangle2D.Double(0, 0, 100, 100);\r
-\r
- // add margins to content.\r
- double off = Math.max(diagramRect.getWidth(), diagramRect.getHeight()) * margin*0.5;\r
- diagramRect = new Rectangle2D.Double(diagramRect.getX() - off, diagramRect.getY() - off, diagramRect.getWidth() + off * 2.0, diagramRect.getHeight() + off * 2.0);\r
-\r
- if (margins != null) {\r
- diagramRect = org.simantics.scenegraph.utils.GeometryUtils.expandRectangle(diagramRect,\r
- margins.top.diagramAbsolute,\r
- margins.bottom.diagramAbsolute,\r
- margins.left.diagramAbsolute,\r
- margins.right.diagramAbsolute\r
- );\r
- }\r
- \r
- // Make sure the transformation is reset.\r
- AffineTransform tr = new AffineTransform();\r
-\r
- Rectangle2D controlArea;\r
- if (dpi != null) {\r
- double mmToInch = 1.0 / 25.4;\r
- controlArea = new Rectangle2D.Double(0, 0, diagramRect.getWidth() * mmToInch * dpi, diagramRect.getHeight() * mmToInch * dpi);\r
-\r
- if (margins != null) {\r
- double w = controlArea.getWidth();\r
- double h = controlArea.getHeight();\r
- controlArea = org.simantics.scenegraph.utils.GeometryUtils.expandRectangle(controlArea,\r
- margins.top.controlAbsolute + margins.top.controlRelative * h,\r
- margins.bottom.controlAbsolute + margins.bottom.controlRelative * h,\r
- margins.left.controlAbsolute + margins.left.controlRelative * w,\r
- margins.right.controlAbsolute + margins.right.controlRelative * w\r
- );\r
- }\r
- } else {\r
- controlArea = new Rectangle2D.Double(0, 0, size.getX(), size.getY());\r
- if (margins != null) {\r
- double w = controlArea.getWidth();\r
- double h = controlArea.getHeight();\r
- controlArea = org.simantics.scenegraph.utils.GeometryUtils.expandRectangle(controlArea,\r
- -(margins.top.controlAbsolute + margins.top.controlRelative * h),\r
- -(margins.bottom.controlAbsolute + margins.bottom.controlRelative * h),\r
- -(margins.left.controlAbsolute + margins.left.controlRelative * w),\r
- -(margins.right.controlAbsolute + margins.right.controlRelative * w)\r
- );\r
- }\r
- }\r
-\r
- canvasContext.getSingleItem(TransformUtil.class).fitArea(controlArea, diagramRect, MarginUtils.NO_MARGINS);\r
- \r
- float width = (float)controlArea.getWidth();\r
- float height = (float)controlArea.getHeight();\r
- \r
-\r
- QualityHints.HIGH_QUALITY_HINTS.setQuality(g2);\r
- g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);\r
-\r
-\r
- g2.setTransform(tr);\r
- g2.setClip(new Rectangle2D.Double(0, 0, controlArea.getWidth(), controlArea.getHeight()));\r
-\r
- g2.setRenderingHint(G2DRenderingHints.KEY_CONTROL_BOUNDS, new Rectangle2D.Double(0, 0, controlArea.getWidth(), controlArea.getHeight()));\r
-\r
- if (canvasContext.isLocked())\r
- throw new IllegalStateException("cannot render image, canvas context is locked: " + canvasContext);\r
-\r
- canvasContext.getSceneGraph().render(g2);\r
- \r
-\r
- \r
- Element root = svgGenerator.getRoot();\r
- root.setAttributeNS(null, "viewBox", "0 0 " + width + " " + height); \r
- root.setAttributeNS(null, "height", Float.toString(height));\r
- root.setAttributeNS(null, "width", Float.toString(width));\r
- \r
- // Finally, stream out SVG to the standard output using\r
- // UTF-8 encoding.\r
- boolean useCSS = false; // we want to use CSS style attributes\r
- StringWriter writer = new StringWriter();\r
- //svgGenerator.stream(writer, useCSS);\r
- svgGenerator.stream(root,writer, useCSS, false);\r
- return writer.toString();\r
- }\r
-}\r
+package org.simantics.diagram.svg.export;
+
+import java.awt.Graphics2D;
+import java.awt.Point;
+import java.awt.RenderingHints;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
+import java.io.StringWriter;
+import java.util.UUID;
+
+import org.apache.batik.dom.GenericDOMImplementation;
+import org.apache.batik.svggen.SVGGraphics2D;
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.diagram.DiagramHints;
+import org.simantics.g2d.diagram.DiagramUtils;
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.g2d.participant.TransformUtil;
+import org.simantics.scenegraph.g2d.G2DRenderingHints;
+import org.simantics.scenegraph.utils.QualityHints;
+import org.simantics.utils.page.MarginUtils;
+import org.simantics.utils.page.MarginUtils.Margins;
+import org.w3c.dom.DOMImplementation;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+
+/**
+ * org.simantics.diagram.export.ImageBuilder with SVG support
+ *
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+public class SVGBuilder {
+ Double dpi;
+ Point size;
+ double margin;
+ Margins margins;
+
+ /**
+ *
+ * @param file File to write the image (optional)
+ * @param dpi Dots Per Inch
+ * @param size Image size in pixels
+ * @param margin percentage of image width for margins. 0.05 is 5%.
+ */
+ public SVGBuilder(Double dpi, Point size, double margin) {
+ this.dpi = dpi;
+ this.size = size;
+ this.margin = Math.max(margin,0.0);
+ this.margins = null;
+ }
+
+ /**
+ *
+ * @param file File to write the image (optional)
+ * @param dpi Dots Per Inch
+ * @param size Image size in pixels
+ * @param margins Margins
+ */
+ public SVGBuilder(Double dpi, Point size, Margins margins) {
+ this.dpi = dpi;
+ this.size = size;
+ this.margin = 0.0;
+ this.margins = margins;
+ }
+
+ public static SVGGraphics2D defaultSVGGenerator() {
+ DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
+
+ // Create an instance of org.w3c.dom.Document.
+ String svgNS = "http://www.w3.org/2000/svg";
+ Document document = domImpl.createDocument(svgNS, "svg", null);
+
+ // Create an instance of the SVG Generator.
+ SVGGraphics2D svgGenerator = new SVGGraphics2D(document);
+ svgGenerator.getGeneratorContext().setIDGenerator(new UniqueIDGenerator(UUID.randomUUID().toString()));
+ return svgGenerator;
+ }
+
+ /**
+ * @param canvasContext
+ * the canvas context to paint
+ * @param writeResults
+ * <code>true</code> to actually write the resulting Image to the file.
+ */
+ public String paint(ICanvasContext canvasContext) throws Exception {
+ return paint(canvasContext, defaultSVGGenerator());
+ }
+
+ /**
+ * @param canvasContext
+ * the canvas context to paint
+ * svgGenerator
+ * the svg generator to use
+ * @param writeResults
+ * <code>true</code> to actually write the resulting Image to the file.
+ */
+ public String paint(ICanvasContext canvasContext, SVGGraphics2D svgGenerator) throws Exception {
+
+ Graphics2D g2 = svgGenerator;
+
+ IDiagram diagram = canvasContext.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);
+ Rectangle2D diagramRect = DiagramUtils.getContentRect(diagram);
+
+ if (diagramRect == null)
+ diagramRect = new Rectangle2D.Double(0, 0, 100, 100);
+
+ // add margins to content.
+ double off = Math.max(diagramRect.getWidth(), diagramRect.getHeight()) * margin*0.5;
+ diagramRect = new Rectangle2D.Double(diagramRect.getX() - off, diagramRect.getY() - off, diagramRect.getWidth() + off * 2.0, diagramRect.getHeight() + off * 2.0);
+
+ if (margins != null) {
+ diagramRect = org.simantics.scenegraph.utils.GeometryUtils.expandRectangle(diagramRect,
+ margins.top.diagramAbsolute,
+ margins.bottom.diagramAbsolute,
+ margins.left.diagramAbsolute,
+ margins.right.diagramAbsolute
+ );
+ }
+
+ // Make sure the transformation is reset.
+ AffineTransform tr = new AffineTransform();
+
+ Rectangle2D controlArea;
+ if (dpi != null) {
+ double mmToInch = 1.0 / 25.4;
+ controlArea = new Rectangle2D.Double(0, 0, diagramRect.getWidth() * mmToInch * dpi, diagramRect.getHeight() * mmToInch * dpi);
+
+ if (margins != null) {
+ double w = controlArea.getWidth();
+ double h = controlArea.getHeight();
+ controlArea = org.simantics.scenegraph.utils.GeometryUtils.expandRectangle(controlArea,
+ margins.top.controlAbsolute + margins.top.controlRelative * h,
+ margins.bottom.controlAbsolute + margins.bottom.controlRelative * h,
+ margins.left.controlAbsolute + margins.left.controlRelative * w,
+ margins.right.controlAbsolute + margins.right.controlRelative * w
+ );
+ }
+ } else {
+ controlArea = new Rectangle2D.Double(0, 0, size.getX(), size.getY());
+ if (margins != null) {
+ double w = controlArea.getWidth();
+ double h = controlArea.getHeight();
+ controlArea = org.simantics.scenegraph.utils.GeometryUtils.expandRectangle(controlArea,
+ -(margins.top.controlAbsolute + margins.top.controlRelative * h),
+ -(margins.bottom.controlAbsolute + margins.bottom.controlRelative * h),
+ -(margins.left.controlAbsolute + margins.left.controlRelative * w),
+ -(margins.right.controlAbsolute + margins.right.controlRelative * w)
+ );
+ }
+ }
+
+ canvasContext.getSingleItem(TransformUtil.class).fitArea(controlArea, diagramRect, MarginUtils.NO_MARGINS);
+
+ float width = (float)controlArea.getWidth();
+ float height = (float)controlArea.getHeight();
+
+
+ QualityHints.HIGH_QUALITY_HINTS.setQuality(g2);
+ g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
+
+
+ g2.setTransform(tr);
+ g2.setClip(new Rectangle2D.Double(0, 0, controlArea.getWidth(), controlArea.getHeight()));
+
+ g2.setRenderingHint(G2DRenderingHints.KEY_CONTROL_BOUNDS, new Rectangle2D.Double(0, 0, controlArea.getWidth(), controlArea.getHeight()));
+
+ if (canvasContext.isLocked())
+ throw new IllegalStateException("cannot render image, canvas context is locked: " + canvasContext);
+
+ canvasContext.getSceneGraph().render(g2);
+
+
+
+ Element root = svgGenerator.getRoot();
+ root.setAttributeNS(null, "viewBox", "0 0 " + width + " " + height);
+ root.setAttributeNS(null, "height", Float.toString(height));
+ root.setAttributeNS(null, "width", Float.toString(width));
+
+ // Finally, stream out SVG to the standard output using
+ // UTF-8 encoding.
+ boolean useCSS = false; // we want to use CSS style attributes
+ StringWriter writer = new StringWriter();
+ //svgGenerator.stream(writer, useCSS);
+ svgGenerator.stream(root,writer, useCSS, false);
+ return writer.toString();
+ }
+}
Code Review / simantics / platform.git / blobdiff
