INTEGRATION: CWS presfixes03 (1.5.2); FILE MERGED

2005/04/01 16:09:41 thb 1.5.2.1: #i36190#, #i39245# Changed uno::Sequence::operator[] for nonconst sequences to use naked ptr; added support for true bezier polygons (and removed subdivision, where it was added because of that canvas deficiency); overhauled mtf renderer to provide faithful bounds also for subsetted meta files

cppcanvas/inc/cppcanvas/renderer.hxx

@@ -2,9 +2,9 @@
  *
  *  $RCSfile: renderer.hxx,v $
  *
- *  $Revision: 1.5 $
+ *  $Revision: 1.6 $
  *
- *  last change: $Author: rt $ $Date: 2005-03-30 08:22:27 $
+ *  last change: $Author: obo $ $Date: 2005-04-18 09:57:51 $
  *
  *  The Contents of this file are made available subject to the terms of
  *  either of the following licenses
@@ -89,6 +89,10 @@
 #include <cppcanvas/color.hxx>
 #endif
 
+namespace basegfx
+{
+    class B2DRange;
+}
 
 /* Definition of Renderer interface */
 
@@ -125,6 +129,33 @@ namespace cppcanvas
         virtual bool drawSubset( sal_Int32  nStartIndex,
                                  sal_Int32  nEndIndex ) const = 0;
 
+        /** Query bounding box of metafile subset
+
+            This method queries the actual bounding box of the given
+            subset, when rendered on the associated canvas.
+
+            @param nStartIndex
+            The index of the first action to be rendered (the indices
+            correspond roughly to the action indices of the
+            originating GDIMetaFile. Note, although, that certain
+            actions, e.g. text, accounts for more than one index: a
+            text produces as many addressable indices as it has
+            characters).
+
+            @param nEndIndex
+            The index of the first action _not_ painted anymore,
+            i.e. the action after the last action rendered (the
+            indices correspond roughly to the action indices of the
+            originating GDIMetaFile. Note, although, that certain
+            actions, e.g. text, accounts for more than one index: a
+            text produces as many addressable indices as it has
+            characters).
+
+            @return the bounding box of the specified subset
+         */
+        virtual ::basegfx::B2DRange getSubsetArea( sal_Int32    nStartIndex,
+                                                   sal_Int32    nEndIndex ) const = 0;
+
         /** Parameters for the Renderer
          */
         struct Parameters