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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
#![cfg(all(any(target_os = "linux", target_os = "freebsd"), feature="headless"))]
use libc;
use api::osmesa::OsMesaContext;
use BuilderAttribs;
use CreationError;
use Event;
use PixelFormat;
use CursorState;
use MouseCursor;
use std::collections::VecDeque;
use std::ptr;
mod libcaca;
pub struct Window {
libcaca: libcaca::LibCaca,
display: *mut libcaca::caca_display_t,
opengl: OsMesaContext,
dither: *mut libcaca::caca_dither_t,
}
#[derive(Clone)]
pub struct WindowProxy;
impl WindowProxy {
pub fn wakeup_event_loop(&self) {
unimplemented!()
}
}
pub struct MonitorID;
pub fn get_available_monitors() -> VecDeque<MonitorID> {
VecDeque::new()
}
pub fn get_primary_monitor() -> MonitorID {
MonitorID
}
impl MonitorID {
pub fn get_name(&self) -> Option<String> {
unimplemented!();
}
pub fn get_native_identifier(&self) -> ::native_monitor::NativeMonitorId {
::native_monitor::NativeMonitorId::Unavailable
}
pub fn get_dimensions(&self) -> (u32, u32) {
unimplemented!();
}
}
pub struct PollEventsIterator<'a> {
window: &'a Window,
}
impl<'a> Iterator for PollEventsIterator<'a> {
type Item = Event;
fn next(&mut self) -> Option<Event> {
None
}
}
pub struct WaitEventsIterator<'a> {
window: &'a Window,
}
impl<'a> Iterator for WaitEventsIterator<'a> {
type Item = Event;
fn next(&mut self) -> Option<Event> {
loop {}
}
}
impl Window {
pub fn new(builder: BuilderAttribs) -> Result<Window, CreationError> {
let opengl = try!(OsMesaContext::new(builder));
let opengl_dimensions = opengl.get_dimensions();
let libcaca = match libcaca::LibCaca::open() {
Err(_) => return Err(CreationError::NotSupported),
Ok(l) => l
};
let display = unsafe { libcaca.caca_create_display(ptr::null_mut()) };
if display.is_null() {
return Err(CreationError::OsError("caca_create_display failed".to_string()));
}
let dither = unsafe {
#[cfg(target_endian = "little")]
fn get_masks() -> (u32, u32, u32, u32) { (0xff, 0xff00, 0xff0000, 0xff000000) }
#[cfg(target_endian = "big")]
fn get_masks() -> (u32, u32, u32, u32) { (0xff000000, 0xff0000, 0xff00, 0xff) }
let masks = get_masks();
libcaca.caca_create_dither(32, opengl_dimensions.0 as libc::c_int,
opengl_dimensions.1 as libc::c_int,
opengl_dimensions.0 as libc::c_int * 4,
masks.0, masks.1, masks.2, masks.3)
};
if dither.is_null() {
unsafe { libcaca.caca_free_display(display) };
return Err(CreationError::OsError("caca_create_dither failed".to_string()));
}
Ok(Window {
libcaca: libcaca,
display: display,
opengl: opengl,
dither: dither,
})
}
pub fn is_closed(&self) -> bool {
false
}
pub fn set_title(&self, title: &str) {
}
pub fn show(&self) {
}
pub fn hide(&self) {
}
pub fn get_position(&self) -> Option<(i32, i32)> {
unimplemented!()
}
pub fn set_position(&self, x: i32, y: i32) {
}
pub fn get_inner_size(&self) -> Option<(u32, u32)> {
Some(self.opengl.get_dimensions())
}
pub fn get_outer_size(&self) -> Option<(u32, u32)> {
self.get_inner_size()
}
pub fn set_inner_size(&self, _x: u32, _y: u32) {
unimplemented!()
}
pub fn create_window_proxy(&self) -> WindowProxy {
unimplemented!()
}
pub fn poll_events(&self) -> PollEventsIterator {
PollEventsIterator {
window: self
}
}
pub fn wait_events(&self) -> WaitEventsIterator {
WaitEventsIterator {
window: self
}
}
pub unsafe fn make_current(&self) {
self.opengl.make_current()
}
pub fn is_current(&self) -> bool {
self.opengl.is_current()
}
pub fn get_proc_address(&self, addr: &str) -> *const () {
self.opengl.get_proc_address(addr) as *const _
}
pub fn swap_buffers(&self) {
unsafe {
let canvas = self.libcaca.caca_get_canvas(self.display);
let width = self.libcaca.caca_get_canvas_width(canvas);
let height = self.libcaca.caca_get_canvas_height(canvas);
let buffer = self.opengl.get_framebuffer().chunks(self.opengl.get_dimensions().0 as usize)
.flat_map(|i| i.iter().cloned()).rev().collect::<Vec<u32>>();
self.libcaca.caca_dither_bitmap(canvas, 0, 0, width as libc::c_int,
height as libc::c_int, self.dither,
buffer.as_ptr() as *const _);
self.libcaca.caca_refresh_display(self.display);
};
}
pub fn platform_display(&self) -> *mut libc::c_void {
unimplemented!()
}
pub fn platform_window(&self) -> *mut libc::c_void {
unimplemented!()
}
pub fn get_api(&self) -> ::Api {
self.opengl.get_api()
}
pub fn get_pixel_format(&self) -> PixelFormat {
unimplemented!();
}
pub fn set_window_resize_callback(&mut self, _: Option<fn(u32, u32)>) {
}
pub fn set_cursor(&self, cursor: MouseCursor) {
}
pub fn set_cursor_state(&self, state: CursorState) -> Result<(), String> {
Ok(())
}
pub fn hidpi_factor(&self) -> f32 {
1.0
}
pub fn set_cursor_position(&self, x: i32, y: i32) -> Result<(), ()> {
Ok(())
}
}
impl Drop for Window {
fn drop(&mut self) {
unsafe {
self.libcaca.caca_free_dither(self.dither);
self.libcaca.caca_free_display(self.display);
}
}
}
|
