Mercurial > public > algo-animator

annotate main.c @ 15:e2fcfcb43fee

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix vertical character alignment
author Dennis C. M. <dennis@denniscm.com>
date Sun, 25 Jun 2023 16:28:13 +0100
parents d055228ca9a6
children 2ded5f1f544a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
1 #include <stdio.h>
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
2 #include <stdlib.h>
7
f159eec07daf refactor
Dennis C. M. <dennis@denniscm.com>
parents: 6
diff changeset
3 #include <GL/glut.h>
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
4 #include <math.h>
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
5 #include <time.h>
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
6 #include <stdbool.h>
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
7 #include <ft2build.h>
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
8 #include FT_FREETYPE_H
0
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
9
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
10
6
40a8bdbe2005 Refactor to array of structures
Dennis C. M. <dennis@denniscm.com>
parents: 5
diff changeset
11 #define WINDOW_HEIGHT 1080
40a8bdbe2005 Refactor to array of structures
Dennis C. M. <dennis@denniscm.com>
parents: 5
diff changeset
12 #define WINDOW_WIDTH 1920
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
13 #define OFFSET 150
7
f159eec07daf refactor
Dennis C. M. <dennis@denniscm.com>
parents: 6
diff changeset
14 #define RECT_WIDTH 5
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
15 #define SPACE 1
7
f159eec07daf refactor
Dennis C. M. <dennis@denniscm.com>
parents: 6
diff changeset
16
f159eec07daf refactor
Dennis C. M. <dennis@denniscm.com>
parents: 6
diff changeset
17
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
18 /* Global variables */
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
19
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
20 FT_Library ft_library;
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
21 FT_Face ft_face;
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
22
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
23 char algos[4][50] = {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
24 "Bubble sort",
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
25 "Selection sort",
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
26 "Insertion sort",
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
27 "Quick sort"
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
28 };
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
29
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
30 int selected_algo = 0;
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
31 int refresh_counter = 0;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
32 int iter_counter = 0;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
33 int arr_size;
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
34
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
35 int* arr;
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
36
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
37 bool run;
0
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
38
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
39
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
40 /* Algorithms */
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
41
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
42 // Bubble sort
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
43 struct BubbleSortInfo {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
44 int step;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
45 int i;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
46 };
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
47
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
48 struct BubbleSortInfo bs = {1, 0};
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
49
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
50 void bubble_sort() {
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
51 if (bs.i < arr_size - bs.step - 1) {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
52 int current = arr[bs.i];
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
53 int next = arr[bs.i + 1];
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
54
11
aaecc9b7ca9c testing glutTimerFunc
Dennis C. M. <dennis@denniscm.com>
parents: 10
diff changeset
55 if (current > next) {
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
56 arr[bs.i + 1] = current;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
57 arr[bs.i] = next;
11
aaecc9b7ca9c testing glutTimerFunc
Dennis C. M. <dennis@denniscm.com>
parents: 10
diff changeset
58 }
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
59
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
60 bs.i++;
11
aaecc9b7ca9c testing glutTimerFunc
Dennis C. M. <dennis@denniscm.com>
parents: 10
diff changeset
61 } else {
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
62 bs.step++;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
63 bs.i = 0;
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
64 }
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
65 }
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
66
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
67
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
68 /* Helper functions */
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
69
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
70 void create_array() {
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
71 arr_size = floor((WINDOW_WIDTH - RECT_WIDTH) / (RECT_WIDTH + SPACE)) + 1;
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
72 arr = (int*)malloc(arr_size * sizeof(int));
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
73
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
74 srand(time(NULL));
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
75
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
76 int min = OFFSET;
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
77 int max = WINDOW_HEIGHT - OFFSET;
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
78
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
79 for (int i = 0; i < arr_size; i++) {
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
80 arr[i] = rand() % ((max - min) + 1) + min;
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
81 }
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
82 }
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
83
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
84
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
85 bool array_sorted() {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
86 for (int i = 0; i < arr_size - 1; i++) {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
87 if (arr[i] > arr[i + 1]) {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
88 return false;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
89 }
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
90 }
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
91
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
92 return true;
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
93 }
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
94
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
95
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
96 void algo_selector(int direction) {
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
97 int selection = selected_algo + direction;
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
98 int lower = 0;
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
99 int upper = (sizeof(algos) / sizeof(algos[0])) - 1;
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
100
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
101 if (selection >= lower && selection <= upper) {
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
102 selected_algo = selection;
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
103 }
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
104 }
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
105
2
ea3c427d922d draw a weird filled rectangle
Dennis C. M. <dennis@denniscm.com>
parents: 0
diff changeset
106
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
107 /* Render functions */
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
108
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
109 unsigned char* flipBitmapVertically(unsigned char* bitmap, int width, int height) {
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
110 unsigned char* flippedBitmap = (unsigned char*)malloc(width * height);
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
111
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
112 for (int row = 0; row < height; row++) {
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
113 unsigned char* srcRow = bitmap + (row * width);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
114 unsigned char* destRow = flippedBitmap + ((height - row - 1) * width);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
115 memcpy(destRow, srcRow, width);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
116 }
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
117
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
118 return flippedBitmap;
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
119 }
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
120
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
121
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
122 void render_text(int x, int y, char* text) {
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
123 for (const char *c = text; *c; c++) {
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
124
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
125 // Get glyph index from character code
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
126 FT_UInt glyph_index = FT_Get_Char_Index(ft_face, *c);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
127
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
128 if (glyph_index == 0) {
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
129 fprintf(stderr, "Given character code has no glyph image in the face\n");
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
130 exit(1);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
131 }
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
132
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
133 // Load glyph image
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
134 if (FT_Load_Glyph(ft_face, glyph_index, FT_LOAD_DEFAULT)) {
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
135 fprintf(stderr, "Failed to load glyph.\n");
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
136 exit(1);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
137 }
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
138
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
139 // Render glyph
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
140 if (FT_Render_Glyph(ft_face->glyph, FT_RENDER_MODE_NORMAL)) {
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
141 fprintf(stderr, "Failed to render glyph.\n");
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
142 exit(1);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
143 }
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
144
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
145 FT_GlyphSlot slot = ft_face->glyph;
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
146 FT_Bitmap* glyph_bitmap = &slot->bitmap;
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
147
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
148 // Flip the bitmap vertically
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
149 unsigned char* flipped_bitmap = (unsigned char*)malloc(glyph_bitmap->width * glyph_bitmap->rows);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
150
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
151 for (int row = 0; row < glyph_bitmap->rows; row++) {
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
152 unsigned char* src_row = glyph_bitmap->buffer + (row * glyph_bitmap->width);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
153 unsigned char* dest_row = flipped_bitmap + ((glyph_bitmap->rows - row - 1) * glyph_bitmap->width);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
154 memcpy(dest_row, src_row, glyph_bitmap->width);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
155 }
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
156
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
157 glyph_bitmap->buffer = flipped_bitmap;
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
158
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
159 // Calculate the adjusted y position based on the glyph's bearing
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
160 int adjusted_y = y + (slot->bitmap_top - glyph_bitmap->rows);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
161
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
162 glRasterPos2f(x, adjusted_y);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
163 glDrawPixels(glyph_bitmap->width, glyph_bitmap->rows, GL_LUMINANCE, GL_UNSIGNED_BYTE, glyph_bitmap->buffer);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
164
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
165 x += 15;
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
166 }
0
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
167 }
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
168
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
169
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
170 void display() {
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
171 glClear(GL_COLOR_BUFFER_BIT);
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
172
3
e4003f606e07 draw multiple rectangles with loop
Dennis C. M. <dennis@denniscm.com>
parents: 2
diff changeset
173 glBegin(GL_QUADS);
e4003f606e07 draw multiple rectangles with loop
Dennis C. M. <dennis@denniscm.com>
parents: 2
diff changeset
174
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
175 int x = 0;
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
176 for (int i = 0; i < arr_size; i++) {
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
177
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
178 // Bottom left
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
179 glVertex2f(x, OFFSET);
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
180
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
181 // Top left
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
182 glVertex2f(x, arr[i]);
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
183
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
184 // Top right
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
185 glVertex2f(x + RECT_WIDTH, arr[i]);
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
186
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
187 // Bottom right
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
188 glVertex2f(x + RECT_WIDTH, OFFSET);
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
189
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
190 x += RECT_WIDTH + SPACE;
3
e4003f606e07 draw multiple rectangles with loop
Dennis C. M. <dennis@denniscm.com>
parents: 2
diff changeset
191 }
e4003f606e07 draw multiple rectangles with loop
Dennis C. M. <dennis@denniscm.com>
parents: 2
diff changeset
192
e4003f606e07 draw multiple rectangles with loop
Dennis C. M. <dennis@denniscm.com>
parents: 2
diff changeset
193 glEnd();
6
40a8bdbe2005 Refactor to array of structures
Dennis C. M. <dennis@denniscm.com>
parents: 5
diff changeset
194
7
f159eec07daf refactor
Dennis C. M. <dennis@denniscm.com>
parents: 6
diff changeset
195 // Render text
4
035d3880da04 render text with number of elements on screen
Dennis C. M. <dennis@denniscm.com>
parents: 3
diff changeset
196 char text[256];
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
197
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
198 sprintf(text, "Algorithm: %s", algos[selected_algo]);
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
199 render_text(20, WINDOW_HEIGHT - 50, text);
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
200
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
201 sprintf(text, "Number of elements: %i", arr_size);
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
202 render_text(20, WINDOW_HEIGHT - 80, text);
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
203
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
204 sprintf(text, "Iterations: %i", iter_counter);
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
205 render_text(20, WINDOW_HEIGHT - 110, text);
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
206
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
207 render_text(20, OFFSET - 50, "Press a or s to select an algorithm");
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
208 render_text(20, OFFSET - 80, "Press enter to run the algorithm");
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
209 render_text(20, OFFSET - 110, "Press r to reset array");
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
210
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
211 glutSwapBuffers();
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
212 }
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
213
6
40a8bdbe2005 Refactor to array of structures
Dennis C. M. <dennis@denniscm.com>
parents: 5
diff changeset
214
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
215 /* Refresh function */
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
216
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
217 void idle() {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
218 if (run) {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
219 bubble_sort();
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
220 refresh_counter++;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
221 iter_counter++;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
222
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
223 if (refresh_counter == 90) {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
224 glutPostRedisplay();
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
225 refresh_counter = 0;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
226 }
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
227
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
228 } else {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
229 glutPostRedisplay();
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
230 }
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
231
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
232 if (array_sorted()) {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
233 run = false;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
234 }
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
235 }
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
236
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
237
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
238 /* User input handler */
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
239
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
240 void keyboard(unsigned char key, int x, int y) {
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
241
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
242 // s
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
243 if (key == 115) {
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
244 algo_selector(1);
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
245 }
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
246
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
247 // a
9
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
248 if (key == 97) {
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
249 algo_selector(-1);
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
250 }
b7da0083b706 removing struct?
Dennis C. M. <dennis@denniscm.com>
parents: 8
diff changeset
251
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
252 // r
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
253 if (key == 114) {
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
254 create_array();
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
255 iter_counter = 0;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
256 refresh_counter = 0;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
257 run = false;
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
258 bs = (struct BubbleSortInfo){0, 0};
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
259 }
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
260
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
261 // enter
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
262 if (key == 13) {
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
263 run = true;
7
f159eec07daf refactor
Dennis C. M. <dennis@denniscm.com>
parents: 6
diff changeset
264 }
0
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
265 }
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
266
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
267
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
268 /* Set up functions */
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
269
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
270 void setup_gl() {
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
271
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
272 // Set background dark
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
273 glClearColor(0.0, 0.0, 0.0, 1.0);
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
274
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
275 // Set point color and size to 1 pixel
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
276 glColor3f(1.0, 0.7569, 0.0);
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
277 glPointSize(5.0);
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
278
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
279 // Matrix projection and reset with identity
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
280 glMatrixMode(GL_PROJECTION);
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
281 glLoadIdentity();
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
282
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
283 /*
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
284 * Creates projection matrix
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
285 * x increases from left to right (0 to WINDOW_WIDTH)
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
286 * y increases from bottom to top (0 to WINDOW_HEIGHT)
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
287 */
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
288
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
289 gluOrtho2D(0, WINDOW_WIDTH, 0, WINDOW_HEIGHT);
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
290
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
291 /*
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
292 * This fucking line... I spent a day rendering weird symbols
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
293 * because the padding that adds FreeType to each row of the bitmap
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
294 * does not match the padding expected by GL.
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
295 */
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
296
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
297 glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
298 }
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
299
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
300
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
301 void setup_freetype() {
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
302
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
303 // Init library
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
304 if (FT_Init_FreeType(&ft_library)) {
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
305 fprintf(stderr, "Failed to initialize FreeType library\n");
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
306 exit(1);
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
307 }
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
308
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
309 // Load font
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
310 if (FT_New_Face(ft_library, "fonts/JetBrainsMono-Regular.ttf", 0, &ft_face)) {
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
311 fprintf(stderr, "Failed to load font\n");
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
312 exit(1);
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
313 }
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
314
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
315 // Set font size
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
316 if (FT_Set_Pixel_Sizes(ft_face, 0, 24)) {
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
317 fprintf(stderr, "Failed to set font size.\n");
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
318 FT_Done_Face(ft_face);
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
319 FT_Done_FreeType(ft_library);
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
320
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
321 exit(1);
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
322 }
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
323 }
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
324
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
325
0
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
326 int main(int argc, char** argv) {
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
327 create_array();
7
f159eec07daf refactor
Dennis C. M. <dennis@denniscm.com>
parents: 6
diff changeset
328
0
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
329 glutInit(&argc, argv);
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
330 glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
6
40a8bdbe2005 Refactor to array of structures
Dennis C. M. <dennis@denniscm.com>
parents: 5
diff changeset
331 glutInitWindowSize(WINDOW_WIDTH, WINDOW_HEIGHT);
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
332 glutCreateWindow("Algorithm animator");
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
333
14
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
334 setup_gl();
d055228ca9a6 printing text with custom font
Dennis C. M. <dennis@denniscm.com>
parents: 13
diff changeset
335 setup_freetype();
13
074bde2db09a printing text with custom font but incorrect letters
Dennis C. M. <dennis@denniscm.com>
parents: 12
diff changeset
336
0
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
337 glutDisplayFunc(display);
8
f7af7255705e text flickering fixed
Dennis C. M. <dennis@denniscm.com>
parents: 7
diff changeset
338 glutKeyboardFunc(keyboard);
12
9ba546527bc2 fixing algo speed
Dennis C. M. <dennis@denniscm.com>
parents: 11
diff changeset
339 glutIdleFunc(idle);
0
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
340 glutMainLoop();
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
341
10
f4e0c266321a bubble sort
Dennis C. M. <dennis@denniscm.com>
parents: 9
diff changeset
342 free(arr);
7
f159eec07daf refactor
Dennis C. M. <dennis@denniscm.com>
parents: 6
diff changeset
343
15
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
344 FT_Done_Face(ft_face);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
345 FT_Done_FreeType(ft_library);
e2fcfcb43fee fix vertical character alignment
Dennis C. M. <dennis@denniscm.com>
parents: 14
diff changeset
346
0
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
347 return 0;
6882194679b5 draw a point
Dennis C. M. <dennis@denniscm.com>
parents:
diff changeset
348 }