sdext/source/presenter/PresenterGeometryHelper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   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 INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERGEOMETRYHELPER_HXX
  21 #define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERGEOMETRYHELPER_HXX
  22
  23 #include <com/sun/star/awt/Point.hpp>
  24 #include <com/sun/star/awt/Rectangle.hpp>
  25 #include <com/sun/star/awt/Size.hpp>
  26 #include <com/sun/star/rendering/XGraphicDevice.hpp>
  27 #include <com/sun/star/rendering/XPolyPolygon2D.hpp>
  28 #include <com/sun/star/geometry/RealRectangle2D.hpp>
  29 #include <vector>
  30
  31 namespace sdext { namespace presenter {
  32
  33 /** Collection of geometry related convenience functions.
  34 */
  35 class PresenterGeometryHelper
  36 {
  37 public:
  38     static sal_Int32 Round (const double nValue);
  39     static sal_Int32 Floor (const double nValue);
  40     static sal_Int32 Ceil (const double nValue);
  41
  42     /** Return the bounding box with integer coordinates of the given
  43         rectangle.  Note that due to different rounding of the left/top and
  44         the right/bottom border the width of the resulting rectangle may
  45         differ for different positions but constant width and height.
  46     */
  47     static css::awt::Rectangle ConvertRectangle (
  48         const css::geometry::RealRectangle2D& rBox);
  49
  50     /** Convert the given rectangle to integer coordinates so that width and
  51         height remain constant when only the position changes.
  52     */
  53     static css::awt::Rectangle ConvertRectangleWithConstantSize (
  54         const css::geometry::RealRectangle2D& rBox);
  55
  56     static css::geometry::RealRectangle2D ConvertRectangle (
  57         const css::awt::Rectangle& rBox);
  58
  59     //    static css::awt::Size ConvertSize (
  60     //        const css::geometry::RealSize2D& rSize);
  61
  62     static css::awt::Rectangle TranslateRectangle (
  63         const css::awt::Rectangle& rBox,
  64         const sal_Int32 nXOffset,
  65         const sal_Int32 nYOffset);
  66
  67     static css::awt::Rectangle Intersection (
  68         const css::awt::Rectangle& rBox1,
  69         const css::awt::Rectangle& rBox2);
  70
  71     static css::geometry::RealRectangle2D Intersection (
  72         const css::geometry::RealRectangle2D& rBox1,
  73         const css::geometry::RealRectangle2D& rBox2);
  74
  75     static bool IsInside (
  76         const css::geometry::RealRectangle2D& rBox,
  77         const css::geometry::RealPoint2D& rPoint);
  78
  79     /** Return whether rBox1 is completely inside rBox2.
  80     */
  81     static bool IsInside (
  82         const css::awt::Rectangle& rBox1,
  83         const css::awt::Rectangle& rBox2);
  84
  85     static css::geometry::RealRectangle2D Union (
  86         const css::geometry::RealRectangle2D& rBox1,
  87         const css::geometry::RealRectangle2D& rBox2);
  88
  89     static bool AreRectanglesDisjoint (
  90         const css::awt::Rectangle& rBox1,
  91         const css::awt::Rectangle& rBox2);
  92
  93     static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
  94         const css::awt::Rectangle& rBox,
  95         const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
  96
  97     static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
  98         const css::geometry::RealRectangle2D& rBox,
  99         const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
 100
 101     static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
 102         const ::std::vector<css::awt::Rectangle>& rBoxes,
 103         const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
 104
 105     /** Create a polygon for a rounded rectangle.
 106     */
 107     /*    static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
 108         const css::awt::Rectangle& rBox,
 109         const double nRadius,
 110         const css::uno::Reference<css::rendering::XGraphicDevice>&
 111         rxDevice);
 112     */
 113 };
 114
 115 } }
 116
 117 #endif
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */