cppcanvas/source/mtfrenderer/textaction.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _CPPCANVAS_TEXTACTION_HXX
  21 #define _CPPCANVAS_TEXTACTION_HXX
  22
  23 #include <com/sun/star/uno/Sequence.hxx>
  24
  25 #include <action.hxx>
  26 #include <cppcanvas/canvas.hxx>
  27 #include <cppcanvas/renderer.hxx>
  28 #include <tools/poly.hxx>
  29
  30 class VirtualDevice;
  31 class Point;
  32 class Size;
  33 class Color;
  34 class String;
  35
  36
  37 /* Definition of internal::TextActionFactory class */
  38
  39 namespace cppcanvas
  40 {
  41     namespace internal
  42     {
  43         struct OutDevState;
  44
  45         /** Creates encapsulated converters between GDIMetaFile and
  46             XCanvas. The Canvas argument is deliberately placed at the
  47             constructor, to force reconstruction of this object for a
  48             new canvas. This considerably eases internal state
  49             handling, since a lot of the internal state (e.g. fonts,
  50             text layout) is Canvas-dependent.
  51          */
  52         class TextActionFactory
  53         {
  54         public:
  55             /** Create text action, optionally shadow/relief effect
  56
  57                 Note that this method accepts all coordinates in
  58                 logical coordinates.
  59
  60                 @param pDXArray
  61                 Pointer to array of logical character offsets (or NULL)
  62
  63                 @param bSubsettable
  64                 When this parameter is set to true, the generated
  65                 action might consume slightly more memory, but is
  66                 subsettable (Action::render( Subset ) works on
  67                 characters)
  68              */
  69             static ActionSharedPtr createTextAction( const ::Point&                 rStartPoint,
  70                                                      const ::Size&                  rReliefOffset,
  71                                                      const ::Color&                 rReliefColor,
  72                                                      const ::Size&                  rShadowOffset,
  73                                                      const ::Color&                 rShadowColor,
  74                                                      const ::String&                rText,
  75                                                      sal_Int32                      nStartPos,
  76                                                      sal_Int32                      nLen,
  77                                                      const sal_Int32*               pDXArray,
  78                                                      VirtualDevice&                 rVDev,
  79                                                      const CanvasSharedPtr&         rCanvas,
  80                                                      const OutDevState&             rState,
  81                                                      const Renderer::Parameters&    rParms,
  82                                                      bool                           bSubsettable );
  83
  84         private:
  85             // static factory, disable big four
  86             TextActionFactory();
  87             ~TextActionFactory();
  88             TextActionFactory(const TextActionFactory&);
  89             TextActionFactory& operator=( const TextActionFactory& );
  90         };
  91     }
  92 }
  93
  94 #endif /* _CPPCANVAS_TEXTACTION_HXX */
  95
  96 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */