aboutsummaryrefslogtreecommitdiff
path: root/src/crepe/api/Texture.h
blob: 7206a6652ab1d88a564b7fce416f627174d1936e (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
#pragma once

// FIXME: this header can't be included because this is an API header, and SDL2 development
// headers won't be bundled with crepe. Why is this facade in the API namespace?

#include <SDL2/SDL_render.h>
#include <functional>
#include <memory>

#include "Asset.h"

namespace crepe {

class SDLContext;
class Animator;

/**
 * \class Texture
 * \brief Manages texture loading and properties.
 *
 * The Texture class is responsible for loading an image from a source and providing access to
 * its dimensions. Textures can be used for rendering.
 */
class Texture {

public:
	/**
	 * \brief Constructs a Texture from an Asset resource.
	 * \param src Asset with texture data to load.
	 */
	Texture(const Asset & src);

	/**
	 * \brief Destroys the Texture instance, freeing associated resources.
	 */
	~Texture();
	// FIXME: this constructor shouldn't be necessary because this class doesn't manage memory

	Texture(Texture && other) noexcept;
	Texture & operator=(Texture && other) noexcept;
	Texture(const Texture &) = delete;
	Texture & operator=(const Texture &) = delete;

	/**
	 * \brief Gets the width of the texture.
	 * \return Width of the texture in pixels.
	 */
	int get_width() const;

	/**
	 * \brief Gets the height of the texture.
	 * \return Height of the texture in pixels.
	 */
	int get_height() const;

private:
	/**
	 * \brief Loads the texture from an Asset resource.
	 * \param res Unique pointer to an Asset resource to load the texture from.
	 */
	void load(const Asset & res);

private:
	//! The texture of the class from the library
	std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> texture;

	//! Grants SDLContext access to private members.
	friend class SDLContext;

	//! Grants Animator access to private members.
	friend class Animator;
};

} // namespace crepe