X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fexport%2FImageBuilder.java;h=12154f8487722e0c14606c4b7f2540eb5c1d16e0;hb=48135dcd03588783f9c1b688aaa53cdaacba6ef2;hp=222a5447cd8cfec54d918c5d083a7159438e0e03;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/export/ImageBuilder.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/export/ImageBuilder.java
index 222a5447c..12154f848 100644
--- a/bundles/org.simantics.diagram/src/org/simantics/diagram/export/ImageBuilder.java
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/export/ImageBuilder.java
@@ -1,124 +1,124 @@
-package org.simantics.diagram.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.awt.image.BufferedImage;
-import java.io.File;
-
-import javax.imageio.ImageIO;
-
-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;
-
-public class ImageBuilder {
-	File file;
-	Double dpi;
-	Point size;
-	double margin;
-
-	
-	/**
-	 * 
-	 * @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 ImageBuilder(File file, Double dpi, Point size, double margin) {
-		this.file = file;
-		this.dpi = dpi;
-		this.size = size;
-		this.margin = Math.max(margin,0.0);
-		
-	}
-
-	/**
-	 * @param canvasContext
-	 *            the canvas context to paint
-	 * @param writeResults
-	 *            <code>true</code> to actually write the resulting Image to the file.
-	 */
-	public BufferedImage paint(ICanvasContext canvasContext) throws Exception {
-
-		Graphics2D g2 = null;
-		BufferedImage image = null;
-		try {
-			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);
-
-			// Make sure the transformation is reset.
-			AffineTransform tr = new AffineTransform();
-
-			Rectangle2D controlArea;
-			if (dpi != null) {
-				double mmToInch = 1.0 / 25.0;
-				controlArea = new Rectangle2D.Double(0, 0, diagramRect.getWidth() * mmToInch * dpi, diagramRect.getHeight() * mmToInch * dpi);
-
-			} else {
-				controlArea = new Rectangle2D.Double(0, 0, size.getX(), size.getY());
-			}
-
-			canvasContext.getSingleItem(TransformUtil.class).fitArea(controlArea, diagramRect, MarginUtils.NO_MARGINS);
-
-			int width = (int) controlArea.getWidth();
-			int height = (int) controlArea.getHeight();
-			long sizeBytes = width*height*3;
-			long free = Runtime.getRuntime().freeMemory();
-			if (sizeBytes >= free) { // TODO: should we estimate memory required for rendering?  
-				System.gc();
-				free = Runtime.getRuntime().freeMemory();
-			}
-			
-			if (sizeBytes >= free) {
-				throw new Exception("There is not enough available memory to create the image; required " + sizeBytes + ", available " + free);
-			}
-			
-			image = new BufferedImage(width, height , BufferedImage.TYPE_3BYTE_BGR);
-			g2 = (Graphics2D) image.getGraphics();
-
-			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);
-			
-			if (file != null) {
-				String name = file.getName();
-				name = name.substring(name.lastIndexOf(".") + 1);
-				ImageIO.write(image, name, file);
-			}
-
-		} finally {
-			if (g2 != null)
-				g2.dispose();
-
-			
-
-		}
-		return image;
-	}
-}
+package org.simantics.diagram.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.awt.image.BufferedImage;
+import java.io.File;
+
+import javax.imageio.ImageIO;
+
+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;
+
+public class ImageBuilder {
+	File file;
+	Double dpi;
+	Point size;
+	double margin;
+
+	
+	/**
+	 * 
+	 * @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 ImageBuilder(File file, Double dpi, Point size, double margin) {
+		this.file = file;
+		this.dpi = dpi;
+		this.size = size;
+		this.margin = Math.max(margin,0.0);
+		
+	}
+
+	/**
+	 * @param canvasContext
+	 *            the canvas context to paint
+	 * @param writeResults
+	 *            <code>true</code> to actually write the resulting Image to the file.
+	 */
+	public BufferedImage paint(ICanvasContext canvasContext) throws Exception {
+
+		Graphics2D g2 = null;
+		BufferedImage image = null;
+		try {
+			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);
+
+			// Make sure the transformation is reset.
+			AffineTransform tr = new AffineTransform();
+
+			Rectangle2D controlArea;
+			if (dpi != null) {
+				double mmToInch = 1.0 / 25.0;
+				controlArea = new Rectangle2D.Double(0, 0, diagramRect.getWidth() * mmToInch * dpi, diagramRect.getHeight() * mmToInch * dpi);
+
+			} else {
+				controlArea = new Rectangle2D.Double(0, 0, size.getX(), size.getY());
+			}
+
+			canvasContext.getSingleItem(TransformUtil.class).fitArea(controlArea, diagramRect, MarginUtils.NO_MARGINS);
+
+			int width = (int) controlArea.getWidth();
+			int height = (int) controlArea.getHeight();
+			long sizeBytes = width*height*3;
+			long free = Runtime.getRuntime().freeMemory();
+			if (sizeBytes >= free) { // TODO: should we estimate memory required for rendering?  
+				System.gc();
+				free = Runtime.getRuntime().freeMemory();
+			}
+			
+			if (sizeBytes >= free) {
+				throw new Exception("There is not enough available memory to create the image; required " + sizeBytes + ", available " + free);
+			}
+			
+			image = new BufferedImage(width, height , BufferedImage.TYPE_3BYTE_BGR);
+			g2 = (Graphics2D) image.getGraphics();
+
+			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);
+			
+			if (file != null) {
+				String name = file.getName();
+				name = name.substring(name.lastIndexOf(".") + 1);
+				ImageIO.write(image, name, file);
+			}
+
+		} finally {
+			if (g2 != null)
+				g2.dispose();
+
+			
+
+		}
+		return image;
+	}
+}