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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165

use crate::*;

use crate::{
    error::{
        DeError,
        InterpError,
    },
    types::TkRGB,
};

use std::{
    path::Path,
};

use tcl::{
    Obj,
    from_obj,
};

use tuplex::*;

pub struct Photo<Inst:TkInstance> {
    pub(crate) name : Obj,
    pub(crate) inst : Inst,
}

impl<Inst:TkInstance> From<Photo<Inst>> for Obj {
    fn from( photo: Photo<Inst> ) -> Obj {
        photo.name
    }
}

impl<Inst:TkInstance> Photo<Inst> {
    pub fn from_name( inst: Inst, name: &str ) -> Option<Self> {
        let tk = Tk::from_inst( inst );
        if tk.eval(( "image", "type", name ))
            .map( |obj| obj.to_string() == "photo" )
            .unwrap_or( false )
        {
            Some( Photo{ name: name.into(), inst })
        } else {
            None
        }
    }

    pub fn blank( &self ) -> InterpResult<()> {
        self.tk().run(( self.name.clone(), "blank" ))
    }

    pub fn cget<Opt>( &self, _name_fn: fn(Obj)->Opt ) -> InterpResult<Obj>
        where Opt : TkOption
                  + Into<opt::TkPhotoOpt>
    {
        self.tk().eval(( self.name.clone(), "cget", <Opt as TkOption>::NAME ))
    }

    pub fn configure<Opts>( &self, opts: impl Into<PathOptsWidgets<Opts,()>> ) -> InterpResult<()>
        where Opts: IntoHomoTuple<opt::TkPhotoOpt>
                  + IntoHomoTuple<OptPair>
    {
        let mut command = Vec::<Obj>::with_capacity( <<Opts as IntoHomoTuple<OptPair>>::Output as tuplex::Len>::LEN * 2 + 2 );
        command.push( self.name.clone() );
        command.push( "configure".into() );

        cmd::append_opts( &mut command, opts.into().opts );
        self.tk().run( command )
    }

    pub fn copy<Opts>( &self, source_image: &Photo<Inst>, opts: impl Into<PathOptsWidgets<Opts,()>> ) -> InterpResult<()>
        where Opts: IntoHomoTuple<opt::TkPhotoCopyOpt>
                  + IntoHomoTuple<OptPair>
    {
        let mut command = Vec::<Obj>::with_capacity( 20 );
        command.push( "eval".into() );
        command.push( self.name.clone() );
        command.push( "copy".into() );
        command.push( source_image.name.clone() );

        cmd::append_opts( &mut command, opts.into().opts );
        self.tk().run( command )
    }

    pub fn data<Opts>( &self, opts: impl Into<PathOptsWidgets<Opts,()>> ) -> InterpResult<Obj>
        where Opts: IntoHomoTuple<opt::TkPhotoDataOpt>
                  + IntoHomoTuple<OptPair>
    {
        let mut command = Vec::<Obj>::with_capacity( 11 );
        command.push( "eval".into() );
        command.push( self.name.clone() );
        command.push( "data".into() );

        cmd::append_opts( &mut command, opts.into().opts );
        self.tk().eval( command )
    }

    #[cex]
    pub fn get( &self, x: c_int, y: c_int ) -> Result!( TkRGB
        throws DeError, InterpError )
    {
        let obj = self.tk().eval(( self.name.clone(), "get", x, y ))?;
        let ( red, green, blue ) = from_obj::<(u8,u8,u8)>( obj )?;
        Ok( TkRGB( red as u16, green as u16, blue as u16 ))
    }

    pub fn put<Opts>( &self, data: Obj, opts: impl Into<PathOptsWidgets<Opts,()>> ) -> InterpResult<()>
        where Opts: IntoHomoTuple<opt::TkPhotoPutOpt>
                  + IntoHomoTuple<OptPair>
    {
        let mut command = Vec::<Obj>::with_capacity( 8 );
        command.push( "eval".into() );
        command.push( self.name.clone() );
        command.push( "put".into() );
        command.push( data );

        cmd::append_opts( &mut command, opts.into().opts );
        self.tk().run( command )
    }

    pub fn read<Opts>( &self, filename: impl AsRef<Path>, opts: impl Into<PathOptsWidgets<Opts,()>> ) ->InterpResult<()>
        where Opts: IntoHomoTuple<opt::TkPhotoReadOpt>
                  + IntoHomoTuple<OptPair>
    {
        let mut command = Vec::<Obj>::with_capacity( 12 );
        command.push( "eval".into() );
        command.push( self.name.clone() );
        command.push( "read".into() );
        command.push( filename.as_ref().to_string_lossy().into() );

        cmd::append_opts( &mut command, opts.into().opts );
        self.tk().run( command )
    }

    pub fn redither( &self ) -> InterpResult<()> {
        self.tk().run(( self.name.clone(), "redither" ))
    }

    pub fn transparency_get( &self, x: c_int, y: c_int ) -> InterpResult<bool> {
        let obj = self.tk().eval(( self.name.clone(), "transparency", "get", x, y ))?;
        self.tk().boolean( obj )
    }

    pub fn transparency_set( &self, x: c_int, y: c_int, transparent: bool ) -> InterpResult<()> {
        self.tk().run(( self.name.clone(), "transparency", "set", x, y, transparent ))
    }

    pub fn write<Opts>( &self, filename: impl AsRef<Path>, opts: impl Into<PathOptsWidgets<Opts,()>> ) ->InterpResult<()>
        where Opts: IntoHomoTuple<opt::TkPhotoWriteOpt>
                  + IntoHomoTuple<OptPair>
    {
        let mut command = Vec::<Obj>::with_capacity( 11 );
        command.push( "eval".into() );
        command.push( self.name.clone() );
        command.push( "write".into() );
        command.push( filename.as_ref().to_string_lossy().into() );

        cmd::append_opts( &mut command, opts.into().opts );
        self.tk().run( command )
    }
}

impl<Inst:TkInstance> Image<Inst> for Photo<Inst> {
    fn tk( &self ) -> Tk<Inst> { Tk::from_inst( self.inst )}

    fn name( &self ) -> Obj { self.name.clone() }
}