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=68ce0966a57f5153b133c6283fdbae10f683b745;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
- * true
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
+ * true
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;
+ }
+}