summaryrefslogtreecommitdiff
path: root/src/fltk-devices-surfaces-copy.adb
blob: d5a31f1a8e811bc19ebb1695233cf0972103c8cc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150


with

    Interfaces.C,
    System;

use type

    System.Address;


package body FLTK.Devices.Surfaces.Copy is


    function new_fl_copy_surface
           (W, H : in Interfaces.C.int)
        return System.Address;
    pragma Import (C, new_fl_copy_surface, "new_fl_copy_surface");

    procedure free_fl_copy_surface
           (S : in System.Address);
    pragma Import (C, free_fl_copy_surface, "free_fl_copy_surface");




    function fl_copy_surface_get_w
           (S : in System.Address)
        return Interfaces.C.int;
    pragma Import (C, fl_copy_surface_get_w, "fl_copy_surface_get_w");

    function fl_copy_surface_get_h
           (S : in System.Address)
        return Interfaces.C.int;
    pragma Import (C, fl_copy_surface_get_h, "fl_copy_surface_get_h");




    procedure fl_copy_surface_draw
           (S, W   : in System.Address;
            OX, OY : in Interfaces.C.int);
    pragma Import (C, fl_copy_surface_draw, "fl_copy_surface_draw");

    procedure fl_copy_surface_draw_decorated_window
           (S, W   : in System.Address;
            OX, OY : in Interfaces.C.int);
    pragma Import (C, fl_copy_surface_draw_decorated_window,
        "fl_copy_surface_draw_decorated_window");




    procedure fl_copy_surface_set_current
           (S : in System.Address);
    pragma Import (C, fl_copy_surface_set_current, "fl_copy_surface_set_current");




    procedure Finalize
           (This : in out Copy_Surface) is
    begin
        if  This.Void_Ptr /= System.Null_Address and then
            This in Copy_Surface'Class
        then
            free_fl_copy_surface (This.Void_Ptr);
            This.Void_Ptr := System.Null_Address;
        end if;
        Finalize (Surface_Device (This));
    end Finalize;




    package body Forge is

        function Create
               (W, H : in Natural)
            return Copy_Surface is
        begin
            return This : Copy_Surface do
                This.Void_Ptr := new_fl_copy_surface
                   (Interfaces.C.int (W),
                    Interfaces.C.int (H));
            end return;
        end Create;

    end Forge;




    function Get_W
           (This : in Copy_Surface)
        return Integer is
    begin
        return Integer (fl_copy_surface_get_w (This.Void_Ptr));
    end Get_W;


    function Get_H
           (This : in Copy_Surface)
        return Integer is
    begin
        return Integer (fl_copy_surface_get_h (This.Void_Ptr));
    end Get_H;




    procedure Draw_Widget
           (This               : in out Copy_Surface;
            Item               : in     FLTK.Widgets.Widget'Class;
            Offset_X, Offset_Y : in     Integer := 0) is
    begin
        fl_copy_surface_draw
           (This.Void_Ptr,
            Wrapper (Item).Void_Ptr,
            Interfaces.C.int (Offset_X),
            Interfaces.C.int (Offset_Y));
    end Draw_Widget;


    procedure Draw_Decorated_Window
           (This               : in out Copy_Surface;
            Item               : in     FLTK.Widgets.Groups.Windows.Window'Class;
            Offset_X, Offset_Y : in     Integer := 0) is
    begin
        fl_copy_surface_draw_decorated_window
           (This.Void_Ptr,
            Wrapper (Item).Void_Ptr,
            Interfaces.C.int (Offset_X),
            Interfaces.C.int (Offset_Y));
    end Draw_Decorated_Window;




    procedure Set_Current
           (This : in out Copy_Surface) is
    begin
        fl_copy_surface_set_current (This.Void_Ptr);
        Current_Ptr := This'Unchecked_Access;
    end Set_Current;


end FLTK.Devices.Surfaces.Copy;