Listen to changes in page settings in DiagramSceneGraphProvider

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / pdf / PDFPainter.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/pdf/PDFPainter.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/pdf/PDFPainter.java
index bec1e5408ae414c82c568b102cff6743cefec5ac..0b7cd63e4c55eed107eb552c9707a382beffc974 100644 (file)
--- a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/pdf/PDFPainter.java
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/pdf/PDFPainter.java
@@ -89,7 +89,15 @@ public class PDFPainter {
 
                     ThreadUtils.asyncExec(thread, () -> {
                         try {
-                            PDFBuilder chassis = new PDFBuilder(writer, mapper, pageSize, pageDesc, fitDiagramContentsToPageMargins || isSymbol);
+                            boolean fitToContent = fitDiagramContentsToPageMargins || isSymbol;
+                            if (!fitToContent) {
+                                // Prevent PDF printing from drawing page borders if the
+                                // print area is fitted directly to the page size.
+                                // This avoids unwanted black half-visible edges.
+                                ctx.getDefaultHintContext().setHint(Hints.KEY_DISPLAY_PAGE, false);
+                            }
+
+                            PDFBuilder chassis = new PDFBuilder(writer, mapper, pageSize, pageDesc, fitToContent);
                             chassis.paint(ctx, true);
                         } catch (Throwable e) {
                             exception[0] = new DatabaseException(e);