summaryrefslogtreecommitdiff
path: root/src/fltk-images-rgb.adb
blob: 881b8cb05df7e09c89862fcf90dca2dafbba9d0b (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


with

    Interfaces.C,
    System;

use type

    System.Address;


package body FLTK.Images.RGB is


    procedure free_fl_rgb_image
           (I : in System.Address);
    pragma Import (C, free_fl_rgb_image, "free_fl_rgb_image");

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

    function fl_rgb_image_copy2
           (I : in System.Address)
        return System.Address;
    pragma Import (C, fl_rgb_image_copy2, "fl_rgb_image_copy2");




    procedure fl_rgb_image_color_average
           (I : in System.Address;
            C : in Interfaces.C.int;
            B : in Interfaces.C.C_float);
    pragma Import (C, fl_rgb_image_color_average, "fl_rgb_image_color_average");

    procedure fl_rgb_image_desaturate
           (I : in System.Address);
    pragma Import (C, fl_rgb_image_desaturate, "fl_rgb_image_desaturate");




    procedure fl_rgb_image_draw
           (I                  : in System.Address;
            X, Y, W, H, CX, CY : in Interfaces.C.int);
    pragma Import (C, fl_rgb_image_draw, "fl_rgb_image_draw");




    overriding procedure Finalize
           (This : in out RGB_Image) is
    begin
        if  This.Void_Ptr /= System.Null_Address and then
            This in RGB_Image'Class
        then
            free_fl_rgb_image (This.Void_Ptr);
            This.Void_Ptr := System.Null_Address;
        end if;
        Finalize (Image (This));
    end Finalize;




    function Copy
           (This          : in RGB_Image;
            Width, Height : in Natural)
        return RGB_Image is
    begin
        return Copied : RGB_Image do
            Copied.Void_Ptr := fl_rgb_image_copy
                   (This.Void_Ptr,
                    Interfaces.C.int (Width),
                    Interfaces.C.int (Height));
        end return;
    end Copy;


    function Copy
           (This : in RGB_Image)
        return RGB_Image is
    begin
        return Copied : RGB_Image do
            Copied.Void_Ptr := fl_rgb_image_copy2 (This.Void_Ptr);
        end return;
    end Copy;




    procedure Color_Average
           (This   : in out RGB_Image;
            Col    : in     Color;
            Amount : in     Blend) is
    begin
        fl_rgb_image_color_average
               (This.Void_Ptr,
                Interfaces.C.int (Col),
                Interfaces.C.C_float (Amount));
    end Color_Average;


    procedure Desaturate
           (This : in out RGB_Image) is
    begin
        fl_rgb_image_desaturate (This.Void_Ptr);
    end Desaturate;




    procedure Draw
           (This       : in RGB_Image;
            X, Y, W, H : in Integer;
            CX, CY     : in Integer := 0) is
    begin
        fl_rgb_image_draw
               (This.Void_Ptr,
                Interfaces.C.int (X),
                Interfaces.C.int (Y),
                Interfaces.C.int (W),
                Interfaces.C.int (H),
                Interfaces.C.int (CX),
                Interfaces.C.int (CY));
    end Draw;


end FLTK.Images.RGB;