Changeset 1930:92b70deed0c5 in lemon-0.x for lemon

Timestamp:

01/30/06 10:37:41 (18 years ago)

Author:

Alpar Juttner

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@2505

Message:

Solve bug #23: Floating versus Integer Coordinates

• BoundingBox? values rounds to integer
• The generated .eps rescales if the bounding box were too small otherwise.

File:

• lemon/graph_to_eps.h (modified) (1 diff)

lemon/graph_to_eps.h

@@ -852 +852 @@
     if(_scaleToA4)
       os <<"%%BoundingBox: 0 0 596 842\n%%DocumentPaperSizes: a4\n";
-    else os << "%%BoundingBox: "
-            << bb.left()   * _scale - _xBorder << ' '
-            << bb.bottom() * _scale - _yBorder << ' '
-            << bb.right()  * _scale + _xBorder << ' '
-            << bb.top()    * _scale + _yBorder << '\n';
+    else {
+      //Rescale so that BoundingBox won't be neither to big nor too small.
+      while(bb.height()*_scale>1000||bb.width()*_scale>1000) _scale/=10;
+      while(bb.height()*_scale<100||bb.width()*_scale<100) _scale*=10;
+    
+      os << "%%BoundingBox: "
+         << int(floor(bb.left()   * _scale - _xBorder)) << ' '
+         << int(floor(bb.bottom() * _scale - _yBorder)) << ' '
+         << int(ceil(bb.right()  * _scale + _xBorder)) << ' '
+         << int(ceil(bb.top()    * _scale + _yBorder)) << '\n';
+    }
     
     os << "%%EndComments\n";