sdext/source/presenter/PresenterGeometryHelper.hxx

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  31
  32 #ifndef SDEXT_PRESENTER_PRESENTER_GEOMETRY_HELPER_HXX
  33 #define SDEXT_PRESENTER_PRESENTER_GEOMETRY_HELPER_HXX
  34
  35 #include <com/sun/star/awt/Point.hpp>
  36 #include <com/sun/star/awt/Rectangle.hpp>
  37 #include <com/sun/star/awt/Size.hpp>
  38 #include <com/sun/star/rendering/XGraphicDevice.hpp>
  39 #include <com/sun/star/rendering/XPolyPolygon2D.hpp>
  40 #include <vector>
  41
  42 namespace css = ::com::sun::star;
  43
  44 namespace sdext { namespace presenter {
  45
  46 /** Collection of geometry related convenience functions.
  47 */
  48 class PresenterGeometryHelper
  49 {
  50 public:
  51     static sal_Int32 Round (const double nValue);
  52     static sal_Int32 Floor (const double nValue);
  53     static sal_Int32 Ceil (const double nValue);
  54
  55     /** Return the bounding box with integer coordinates of the given
  56         rectangle.  Note that due to different rounding of the left/top and
  57         the right/bottom border the width of the resulting rectangle may
  58         differ for different positions but constant width and height.
  59     */
  60     static css::awt::Rectangle ConvertRectangle (
  61         const css::geometry::RealRectangle2D& rBox);
  62
  63     /** Convert the given rectangle to integer coordinates so that width and
  64         height remain constant when only the position changes.
  65     */
  66     static css::awt::Rectangle ConvertRectangleWithConstantSize (
  67         const css::geometry::RealRectangle2D& rBox);
  68
  69     static css::geometry::RealRectangle2D ConvertRectangle (
  70         const css::awt::Rectangle& rBox);
  71
  72     //    static css::awt::Size ConvertSize (
  73     //        const css::geometry::RealSize2D& rSize);
  74
  75     static css::awt::Rectangle TranslateRectangle (
  76         const css::awt::Rectangle& rBox,
  77         const sal_Int32 nXOffset,
  78         const sal_Int32 nYOffset);
  79
  80     static css::awt::Rectangle Intersection (
  81         const css::awt::Rectangle& rBox1,
  82         const css::awt::Rectangle& rBox2);
  83
  84     static css::geometry::RealRectangle2D Intersection (
  85         const css::geometry::RealRectangle2D& rBox1,
  86         const css::geometry::RealRectangle2D& rBox2);
  87
  88     static bool IsInside (
  89         const css::geometry::RealRectangle2D& rBox,
  90         const css::geometry::RealPoint2D& rPoint);
  91
  92     /** Return whether rBox1 is completly inside rBox2.
  93     */
  94     static bool IsInside (
  95         const css::awt::Rectangle& rBox1,
  96         const css::awt::Rectangle& rBox2);
  97
  98     static css::awt::Rectangle Union (
  99         const css::awt::Rectangle& rBox1,
 100         const css::awt::Rectangle& rBox2);
 101
 102     static css::geometry::RealRectangle2D Union (
 103         const css::geometry::RealRectangle2D& rBox1,
 104         const css::geometry::RealRectangle2D& rBox2);
 105
 106     static bool AreRectanglesDisjoint (
 107         const css::awt::Rectangle& rBox1,
 108         const css::awt::Rectangle& rBox2);
 109
 110     static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
 111         const css::awt::Rectangle& rBox,
 112         const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
 113
 114     static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
 115         const css::geometry::RealRectangle2D& rBox,
 116         const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
 117
 118     static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
 119         const ::std::vector<css::awt::Rectangle>& rBoxes,
 120         const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
 121
 122     /** Create a polygon for a rounded rectangle.
 123     */
 124     /*    static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
 125         const css::awt::Rectangle& rBox,
 126         const double nRadius,
 127         const css::uno::Reference<css::rendering::XGraphicDevice>&
 128         rxDevice);
 129     */
 130 };
 131
 132 } }
 133
 134 #endif