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
|
#include <windows.h>
#include <SDL/SDL.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <SDL/SDL_ttf.h>
GLuint Nom ;
GLuint base; // Base Display List For The Font Set
HDC hDC=NULL; // Private GDI Device Context
GLfloat cnt1; // 1st Counter Used To Move Text & For Coloring
GLfloat cnt2; // 2nd Counter Used To Move Text & For Coloring
void KillFont() {
glDeleteLists(base, 96); // Delete All 96 Characters
}
void BuildFont(){
HFONT font; // Windows Font ID
HFONT oldfont; // Used For Good House Keeping
base= glGenLists(96); // Storage For 96 Characters
font= CreateFont(-24,0,0,0,FW_BOLD,FALSE,FALSE,FALSE,ANSI_CHARSET,OUT_TT_PRECIS,CLIP_DEFAULT_PRECIS,
ANTIALIASED_QUALITY,FF_DONTCARE|DEFAULT_PITCH,"arial");
oldfont = (HFONT)SelectObject(hDC, font); // Selects The Font We Want
wglUseFontBitmaps(hDC, 32, 96, base); // Builds 96 Characters Starting At Character 32
SelectObject(hDC, oldfont); // Selects The Font We Want
DeleteObject(font); // Delete The Font
}
void glPrint(const char *fmt, ...){
char text[256]; // Holds Our String
va_list ap; // Pointer To List Of Arguments
if (fmt == NULL) // If There's No Text
return; // Do Nothing
va_start(ap, fmt); // Parses The String For Variables
vsprintf(text, fmt, ap); // And Converts Symbols To Actual Numbers
va_end(ap); // Results Are Stored In Text
glPushAttrib(GL_LIST_BIT); // Pushes The Display List Bits
glListBase(base - 32); // Sets The Base Character to 32
glCallLists(strlen(text), GL_UNSIGNED_BYTE, text); // Draws The Display List Text
glPopAttrib(); // Pops The Display List Bits
}
int initialisation(){
glViewport(0,0,640,480); // Reset The Current Viewport
glMatrixMode(GL_PROJECTION); // Select The Projection Matrix
glLoadIdentity(); // Reset The Projection Matrix
gluPerspective(80,640/480,0.0001f,100.0f);
glMatrixMode(GL_MODELVIEW); // Select The Modelview Matrix
glLoadIdentity();
glShadeModel(GL_SMOOTH); // Enable Smooth Shading
glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background
glClearDepth(1.0f); // Depth Buffer Setup
glEnable(GL_DEPTH_TEST); // Enables Depth Testing
glDepthFunc(GL_LEQUAL); // The Type Of Depth Testing To Do
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really Nice Perspective Calculations
BuildFont();
return 0;
}
int DrawGLScene(){printf("draw\n");
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth Buffer
glLoadIdentity(); // Reset The Current Modelview Matrix
glTranslatef(0.0f,0.0f,-1.0f); // Move One Unit Into The Screen
// Pulsing Colors Based On Text Position
glColor3f(1.0f,1.0f,1.0f);
// Position The Text On The Screen
glRasterPos2f(-0.45f+0.05f*(float)(cos(cnt1)), 0.32f*(float)(sin(cnt2)));
glPrint("Active OpenGL Text With NeHe - %7.2f", cnt1); // Print GL Text To The Screen
cnt1+=0.051f; // Increase The First Counter
cnt2+=0.005f; // Increase The First Counter
return TRUE; // Everything Went OK
}
/// ********************************************************************************************MAIN
int main(int argc, char *argv[]){
SDL_Init(SDL_INIT_VIDEO);
SDL_WM_SetCaption("Gestion des palettes",NULL);
/*ecran =*/ SDL_SetVideoMode(640, 480, 32, SDL_OPENGL);
SDL_EnableKeyRepeat(10,10);
bool continuer = true;
SDL_Event event;
initialisation();
while (continuer){
//Draw_3D();
//Draw_2D();
DrawGLScene();
SDL_WaitEvent(&event);
switch(event.type){
case SDL_QUIT:
break;
case SDL_KEYUP:
switch (event.key.keysym.sym){
case SDLK_ESCAPE:
letsexit = 1; printf("évènement SDL: QUITTER\n"); exit(0);
break;
case SDLK_1:
caisse1 = 1;
//create_palette(1);
printf("évènement SDL: ajouter une caisse en 1 \n");
break;
case SDLK_2:
caisse2 = 1;
//create_palette(2);
printf("évènement SDL: ajouter une caisse en 2 \n");
break;
case SDLK_3:
caisse3 = 1;
//create_palette(3);
printf("évènement SDL: ajouter une caisse en 3\n");
break;
case SDLK_r: printf("reset\n");
reset = 1;
break;
default:
break;
}
}
SDL_GL_SwapBuffers();
}
//TTF_CloseFont(police);
TTF_Quit();
SDL_Quit(); /// arrêt de la SDL
return 0;
} |
