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
|
/*
Copyright 2012 David Robillard <http://drobilla.net>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
@file pugl_test.c A simple Pugl test that creates a top-level window.
*/
/*
This program uses only the the Pugl and OpenGL APIs, but the Windows
gl.h is broken and requires windows.h to be included first...
*/
#ifdef _WIN32
# include <windows.h>
#endif
#include <stdio.h>
#include "GL/gl.h"
#include "pugl/pugl.h"
static int quit = 0;
static float xAngle = 0.0f;
static float yAngle = 0.0f;
static float dist = 10.0f;
#define KEY_ESCAPE 27
static void
onDisplay(PuglWindow* win)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
glTranslatef(0.0f, 0.0f, dist * -1);
glRotatef(xAngle, 0.0f, 1.0f, 0.0f);
glRotatef(yAngle, 1.0f, 0.0f, 0.0f);
/* We tell we want to draw quads */
glBegin(GL_QUADS);
/* Every four calls to glVertex, a quad is drawn */
glColor3f(0, 0, 0); glVertex3f(-1, -1, -1);
glColor3f(0, 0, 1); glVertex3f(-1, -1, 1);
glColor3f(0, 1, 1); glVertex3f(-1, 1, 1);
glColor3f(0, 1, 0); glVertex3f(-1, 1, -1);
glColor3f(1, 0, 0); glVertex3f( 1, -1, -1);
glColor3f(1, 0, 1); glVertex3f( 1, -1, 1);
glColor3f(1, 1, 1); glVertex3f( 1, 1, 1);
glColor3f(1, 1, 0); glVertex3f( 1, 1, -1);
glColor3f(0, 0, 0); glVertex3f(-1, -1, -1);
glColor3f(0, 0, 1); glVertex3f(-1, -1, 1);
glColor3f(1, 0, 1); glVertex3f( 1, -1, 1);
glColor3f(1, 0, 0); glVertex3f( 1, -1, -1);
glColor3f(0, 1, 0); glVertex3f(-1, 1, -1);
glColor3f(0, 1, 1); glVertex3f(-1, 1, 1);
glColor3f(1, 1, 1); glVertex3f( 1, 1, 1);
glColor3f(1, 1, 0); glVertex3f( 1, 1, -1);
glColor3f(0, 0, 0); glVertex3f(-1, -1, -1);
glColor3f(0, 1, 0); glVertex3f(-1, 1, -1);
glColor3f(1, 1, 0); glVertex3f( 1, 1, -1);
glColor3f(1, 0, 0); glVertex3f( 1, -1, -1);
glColor3f(0, 0, 1); glVertex3f(-1, -1, 1);
glColor3f(0, 1, 1); glVertex3f(-1, 1, 1);
glColor3f(1, 1, 1); glVertex3f( 1, 1, 1);
glColor3f(1, 0, 1); glVertex3f( 1, -1, 1);
glEnd();
}
static void
onKeyboard(PuglWindow* win, bool press, uint32_t key)
{
fprintf(stderr, "Key %c %s\n", (char)key, press ? "down" : "up");
if (key == 'q' || key == 'Q' || key == KEY_ESCAPE) {
quit = 1;
}
}
static void
onMotion(PuglWindow* win, int x, int y)
{
xAngle = x % 360;
yAngle = y % 360;
puglPostRedisplay(win);
}
static void
onMouse(PuglWindow* win, int button, bool press, int x, int y)
{
fprintf(stderr, "Mouse %d %s at %d,%d\n",
button, press ? "down" : "up", x, y);
}
static void
onScroll(PuglWindow* win, float dx, float dy)
{
fprintf(stderr, "Scroll %f %f\n", dx, dy);
dist += dy / 4.0f;
puglPostRedisplay(win);
}
static void
onClose(PuglWindow* win)
{
quit = 1;
}
int
main(int argc, char** argv)
{
bool resizable = argc > 1;
PuglWindow* win = puglCreate(0, "Pugl Test", 512, 512, resizable);
puglSetKeyboardFunc(win, onKeyboard);
puglSetMotionFunc(win, onMotion);
puglSetMouseFunc(win, onMouse);
puglSetScrollFunc(win, onScroll);
puglSetDisplayFunc(win, onDisplay);
puglSetCloseFunc(win, onClose);
while (!quit) {
puglProcessEvents(win);
}
puglDestroy(win);
return 0;
}
|
