blob: db153c7978848442374740b263e82a0a3e1f8a63 (
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
|
#include "video.hpp"
#include "debug.hpp"
#include <exception>
#include <cstdint>
extern "C" {
#include <SDL2/SDL.h>
}
using namespace wsdl2;
/* class window */
window::window(const std::string& title, std::size_t width, std::size_t height) {
// create (hidden) window
m_window = SDL_CreateWindow(
title.c_str(),
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
static_cast<int>(width),
static_cast<int>(height),
SDL_WINDOW_OPENGL | SDL_WINDOW_HIDDEN
);
if (m_window == NULL) {
throw std::runtime_error("failed to create SDL window");
}
m_renderer.create_sdl_renderer(m_window);
// other attributes
m_open = false;
}
window::~window() {
if (m_window != NULL)
SDL_DestroyWindow(m_window);
else
npdebug("warning: m_window is NULL")
}
void window::open() {
show();
m_open = true;
}
void window::close() {
hide();
m_open = false;
}
bool window::is_open() {
return m_open;
}
bool window::is_visible() {
return SDL_WINDOW_SHOWN & SDL_GetWindowFlags(m_window);
}
void window::update() {
m_renderer.clear();
m_renderer.present();
}
/* class renderer */
renderer::renderer() {
npdebug("warning: created uninitialized renderer object");
}
SDL_Renderer * renderer::safe() {
#ifndef WRAPSDL2_UNSAFE
if (m_renderer == NULL) {
throw std::runtime_error("attempted to call safe() when m_renderer is NULL");
}
#endif
return m_renderer;
}
void renderer::create_sdl_renderer(SDL_Window *win) {
// create a rendering contest
m_renderer = SDL_CreateRenderer(
win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC
);
if (m_renderer == NULL) {
throw std::runtime_error("failed to create SDL renderer");
}
}
renderer::renderer(window& w) {
create_sdl_renderer(w.sdl());
}
renderer::~renderer() {
if (m_renderer != NULL)
SDL_DestroyRenderer(m_renderer);
else
npdebug("warning: m_renderer is NULL")
}
|
