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27 
28 #ifndef SDEXT_PRESENTER_PRESENTER_GEOMETRY_HELPER_HXX
29 #define SDEXT_PRESENTER_PRESENTER_GEOMETRY_HELPER_HXX
30 
31 #include <com/sun/star/awt/Point.hpp>
32 #include <com/sun/star/awt/Rectangle.hpp>
33 #include <com/sun/star/awt/Size.hpp>
34 #include <com/sun/star/rendering/XGraphicDevice.hpp>
35 #include <com/sun/star/rendering/XPolyPolygon2D.hpp>
36 #include <com/sun/star/geometry/RealRectangle2D.hpp>
37 #include <vector>
38 
39 namespace css = ::com::sun::star;
40 
41 namespace sdext { namespace presenter {
42 
43 /** Collection of geometry related convenience functions.
44 */
45 class PresenterGeometryHelper
46 {
47 public:
48     static sal_Int32 Round (const double nValue);
49     static sal_Int32 Floor (const double nValue);
50     static sal_Int32 Ceil (const double nValue);
51 
52     /** Return the bounding box with integer coordinates of the given
53         rectangle.  Note that due to different rounding of the left/top and
54         the right/bottom border the width of the resulting rectangle may
55         differ for different positions but constant width and height.
56     */
57     static css::awt::Rectangle ConvertRectangle (
58         const css::geometry::RealRectangle2D& rBox);
59 
60     /** Convert the given rectangle to integer coordinates so that width and
61         height remain constant when only the position changes.
62     */
63     static css::awt::Rectangle ConvertRectangleWithConstantSize (
64         const css::geometry::RealRectangle2D& rBox);
65 
66     static css::geometry::RealRectangle2D ConvertRectangle (
67         const css::awt::Rectangle& rBox);
68 
69     //    static css::awt::Size ConvertSize (
70     //        const css::geometry::RealSize2D& rSize);
71 
72     static css::awt::Rectangle TranslateRectangle (
73         const css::awt::Rectangle& rBox,
74         const sal_Int32 nXOffset,
75         const sal_Int32 nYOffset);
76 
77     static css::awt::Rectangle Intersection (
78         const css::awt::Rectangle& rBox1,
79         const css::awt::Rectangle& rBox2);
80 
81     static css::geometry::RealRectangle2D Intersection (
82         const css::geometry::RealRectangle2D& rBox1,
83         const css::geometry::RealRectangle2D& rBox2);
84 
85     static bool IsInside (
86         const css::geometry::RealRectangle2D& rBox,
87         const css::geometry::RealPoint2D& rPoint);
88 
89     /** Return whether rBox1 is completly inside rBox2.
90     */
91     static bool IsInside (
92         const css::awt::Rectangle& rBox1,
93         const css::awt::Rectangle& rBox2);
94 
95     static css::awt::Rectangle Union (
96         const css::awt::Rectangle& rBox1,
97         const css::awt::Rectangle& rBox2);
98 
99     static css::geometry::RealRectangle2D Union (
100         const css::geometry::RealRectangle2D& rBox1,
101         const css::geometry::RealRectangle2D& rBox2);
102 
103     static bool AreRectanglesDisjoint (
104         const css::awt::Rectangle& rBox1,
105         const css::awt::Rectangle& rBox2);
106 
107     static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
108         const css::awt::Rectangle& rBox,
109         const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
110 
111     static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
112         const css::geometry::RealRectangle2D& rBox,
113         const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
114 
115     static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
116         const ::std::vector<css::awt::Rectangle>& rBoxes,
117         const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
118 
119     /** Create a polygon for a rounded rectangle.
120     */
121     /*    static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
122         const css::awt::Rectangle& rBox,
123         const double nRadius,
124         const css::uno::Reference<css::rendering::XGraphicDevice>&
125         rxDevice);
126     */
127 };
128 
129 } }
130 
131 #endif
132