allegro 0.0.1

Allegro 5 core library Rust wrapper
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

// Copyright (c) 2014 by SiegeLord
//
// All rights reserved. Distributed under ZLib. For full terms see the file LICENSE.

use std::mem;
use libc::*;

use internal::color::{Color, PixelFormat};
use rust_util::Flag;

use ffi::*;

flag_type!{
	BitmapFlags
	{
		MEMORY_BITMAP = ALLEGRO_MEMORY_BITMAP,
		KEEP_BITMAP_FORMAT = ALLEGRO_KEEP_BITMAP_FORMAT,
		FORCE_LOCKING = ALLEGRO_FORCE_LOCKING,
		NO_PRESERVE_TEXTURE = ALLEGRO_NO_PRESERVE_TEXTURE,
		ALPHA_TEST = ALLEGRO_ALPHA_TEST,
		MIN_LINEAR = ALLEGRO_MIN_LINEAR,
		MAG_LINEAR = ALLEGRO_MAG_LINEAR,
		MIPMAP = ALLEGRO_MIPMAP,
		NO_PREMULTIPLIED_ALPHA = ALLEGRO_NO_PREMULTIPLIED_ALPHA,
		VIDEO_BITMAP = ALLEGRO_VIDEO_BITMAP
	}
}

pub trait BitmapLike
{
	fn get_allegro_bitmap(&self) -> *mut ALLEGRO_BITMAP;

	fn get_width(&self) -> i32
	{
		unsafe
		{
			al_get_bitmap_width(self.get_allegro_bitmap()) as i32
		}
	}

	fn get_height(&self) -> i32
	{
		unsafe
		{
			al_get_bitmap_height(self.get_allegro_bitmap()) as i32
		}
	}

	fn get_format(&self) -> PixelFormat
	{
		unsafe
		{
			mem::transmute(al_get_bitmap_format(self.get_allegro_bitmap()) as u32)
		}
	}

	fn get_flags(&self) -> BitmapFlags
	{
		unsafe
		{
			mem::transmute(al_get_bitmap_flags(self.get_allegro_bitmap()) as u32)
		}
	}

	fn get_pixel(&self, x: i32, y: i32) -> Color
	{
		unsafe
		{
			Color(al_get_pixel(self.get_allegro_bitmap(), x as c_int, y as c_int))
		}
	}

	fn convert_mask_to_alpha(&self, mask_color: Color)
	{
		unsafe
		{
			al_convert_mask_to_alpha(self.get_allegro_bitmap(), *mask_color);
		}
	}
}