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-rw-r--r--src/controller/clear_selection.h6
-rw-r--r--src/controller/clear_selection.sqc45
-rw-r--r--src/controller/keyboard.c28
-rw-r--r--src/controller/keyboard.h6
-rw-r--r--src/controller/selection_from_db.h9
-rw-r--r--src/controller/selection_from_db.sqc21
-rw-r--r--src/controller/selection_to_db.h9
-rw-r--r--src/controller/selection_to_db.sqc38
-rw-r--r--src/model/exp004base.sqc144
-rw-r--r--src/util/pick_convert.c50
-rw-r--r--src/util/pick_convert.h29
11 files changed, 385 insertions, 0 deletions
diff --git a/src/controller/clear_selection.h b/src/controller/clear_selection.h
new file mode 100644
index 0000000..c57e358
--- a/dev/null
+++ b/src/controller/clear_selection.h
@@ -0,0 +1,6 @@
1#ifndef CLEAR_SELECTION_H
2#define CLEAR_SELECTION_H
3
4void clear_selection (void);
5
6#endif // CLEAR_SELECTION_H
diff --git a/src/controller/clear_selection.sqc b/src/controller/clear_selection.sqc
new file mode 100644
index 0000000..cf04681
--- a/dev/null
+++ b/src/controller/clear_selection.sqc
@@ -0,0 +1,45 @@
1/* I seem to need this for glGenBuffers as per
2 http://www.gamedev.net/community/forums/topic.asp?topic_id=422358 */
3#define GL_GLEXT_PROTOTYPES
4
5#include "clear_selection.h"
6#include "../view/exp004state0.h"
7#include <GL/glut.h>
8
9EXEC SQL INCLUDE sqlca;
10
11/*
12 * A simple alias to make the code more readable.
13 */
14#define S exp004state0
15
16void
17clear_selection (void)
18{
19 /*
20 * WHERE gi IS NOT NULL is added to prevent the PRECOMPILE command
21 * from throwing a warning about modifying an entire table. Since
22 * gi is defined as NOT NULL this will clear the entire table.
23 */
24 EXEC SQL DELETE FROM vis_selection WHERE gi IS NOT NULL;
25
26 EXEC SQL COMMIT;
27
28 for (unsigned int i = 0; i < ROWS; i++)
29 {
30 S.selection[i] = false;
31 S.base_colors_data[i][0] = DEFAULT_COLOR_R;
32 S.base_colors_data[i][1] = DEFAULT_COLOR_G;
33 S.base_colors_data[i][2] = DEFAULT_COLOR_B;
34 }
35
36 glBindBuffer (GL_ARRAY_BUFFER, S.buffers[BASE_COLORS]);
37 glColorPointer (3, GL_FLOAT, 0, 0);
38 glBufferData (GL_ARRAY_BUFFER,
39 sizeof (S.base_colors_data), S.base_colors_data,
40 GL_STATIC_DRAW);
41
42 glutPostRedisplay ();
43
44 return;
45}
diff --git a/src/controller/keyboard.c b/src/controller/keyboard.c
new file mode 100644
index 0000000..c6e3c48
--- a/dev/null
+++ b/src/controller/keyboard.c
@@ -0,0 +1,28 @@
1#include "keyboard.h"
2#include "clear_selection.h"
3#include "selection_from_db.h"
4
5void
6keyboard (unsigned char key, int x, int y)
7{
8 switch (key)
9 {
10 case 27:
11 /*
12 * ESC Pressed.
13 */
14 clear_selection ();
15 break;
16
17 case 'g':
18 /*
19 * g has been pressed. This is used to load a selection from
20 * the database since it is the convention to use g for
21 * refreshing a buffer in Emacs.
22 */
23 selection_from_db ();
24 break;
25 }
26
27 return;
28}
diff --git a/src/controller/keyboard.h b/src/controller/keyboard.h
new file mode 100644
index 0000000..c01fc5f
--- a/dev/null
+++ b/src/controller/keyboard.h
@@ -0,0 +1,6 @@
1#ifndef KEYBOARD_H
2#define KEYBOARD_H
3
4void keyboard (unsigned char key, int x, int y);
5
6#endif // KEYBOARD_H
diff --git a/src/controller/selection_from_db.h b/src/controller/selection_from_db.h
new file mode 100644
index 0000000..8f0d8a2
--- a/dev/null
+++ b/src/controller/selection_from_db.h
@@ -0,0 +1,9 @@
1#ifndef SELECTION_FROM_DB_H
2#define SELECTION_FROM_DB_H
3
4/*
5 * Read a selection from the database into memory.
6 */
7void selection_from_db (void);
8
9#endif // SELECTION_FROM_DB_H
diff --git a/src/controller/selection_from_db.sqc b/src/controller/selection_from_db.sqc
new file mode 100644
index 0000000..20d277e
--- a/dev/null
+++ b/src/controller/selection_from_db.sqc
@@ -0,0 +1,21 @@
1#include "selection_from_db.h"
2#include "../view/exp004state0.h"
3
4EXEC SQL INCLUDE sqlca;
5
6/*
7 * A simple alias to make the code more readable.
8 */
9#define S exp004state0
10
11void
12selection_from_db (void)
13{
14 EXEC SQL BEGIN DECLARE SECTION;
15
16 EXEC SQL END DECLARE SECTION;
17
18
19
20 return;
21}
diff --git a/src/controller/selection_to_db.h b/src/controller/selection_to_db.h
new file mode 100644
index 0000000..4344e0b
--- a/dev/null
+++ b/src/controller/selection_to_db.h
@@ -0,0 +1,9 @@
1#ifndef SELECTION_TO_DB_H
2#define SELECTION_TO_DB_H
3
4/*
5 * Send the current selection from memory to the database.
6 */
7void selection_to_db (void);
8
9#endif // SELECTION_TO_DB_H
diff --git a/src/controller/selection_to_db.sqc b/src/controller/selection_to_db.sqc
new file mode 100644
index 0000000..a6c91b9
--- a/dev/null
+++ b/src/controller/selection_to_db.sqc
@@ -0,0 +1,38 @@
1#include "selection_to_db.h"
2#include "../view/exp004state0.h"
3#include <string.h>
4
5EXEC SQL INCLUDE sqlca;
6
7/*
8 * A simple alias to make the code more readable.
9 */
10#define S exp004state0
11
12void
13selection_to_db (void)
14{
15 EXEC SQL BEGIN DECLARE SECTION;
16 char gi[255];
17 EXEC SQL END DECLARE SECTION;
18
19 /*
20 * WHERE gi IS NOT NULL is added to prevent the PRECOMPILE command
21 * from throwing a warning about modifying an entire table. Since
22 * gi is defined as NOT NULL this will clear the entire table.
23 */
24 EXEC SQL DELETE FROM vis_selection WHERE gi IS NOT NULL;
25
26 for (unsigned int i = 0; i < ROWS; i++)
27 {
28 if (S.selection[i] == true)
29 {
30 strncpy (gi, S.gi_data[i] + 3, sizeof(gi));
31 EXEC SQL INSERT INTO vis_selection VALUES (:gi);
32 }
33 }
34
35 EXEC SQL COMMIT;
36
37 return;
38}
diff --git a/src/model/exp004base.sqc b/src/model/exp004base.sqc
new file mode 100644
index 0000000..6189b72
--- a/dev/null
+++ b/src/model/exp004base.sqc
@@ -0,0 +1,144 @@
1/* I seem to need this for glGenBuffers as per
2 http://www.gamedev.net/community/forums/topic.asp?topic_id=422358 */
3#define GL_GLEXT_PROTOTYPES
4
5#include "exp004base.h"
6#include "../view/exp004state0.h"
7#include <GL/glut.h>
8#include <stdio.h>
9#include <string.h>
10
11EXEC SQL INCLUDE sqlca;
12
13/*
14 * A simple alias to make the code more readable.
15 */
16#define S exp004state0
17
18void
19exp004base (void)
20{
21 EXEC SQL CONNECT TO exp004;
22
23 /*
24 * This implementation can be improved by mapping the video memory
25 * directly rather than loading into system memory and then copying
26 * into video memory.
27 */
28
29 /*
30 * db2dclgn -d exp004 -t coordinates
31 */
32 EXEC SQL BEGIN DECLARE SECTION;
33 EXEC SQL INCLUDE 'model/coordinates.h';
34 EXEC SQL END DECLARE SECTION;
35
36 EXEC SQL DECLARE c2 CURSOR FOR
37 SELECT * FROM coordinates;
38
39 EXEC SQL OPEN c2;
40
41 /*
42 FILE* coords =
43 fopen ("/home/don/exp004/test/run20090514/run20090514.coords", "r");
44 int i = 0;
45 */
46
47 /*
48 * Initialize the bounding box of the points.
49 */
50 S.bb.min_x = 0.0;
51 S.bb.max_x = 0.0;
52 S.bb.min_y = 0.0;
53 S.bb.max_y = 0.0;
54
55 // for (i = 0; i < ROWS; i++)
56
57 EXEC SQL FETCH c2 INTO :coordinates;
58 while (sqlca.sqlcode != 100)
59 {
60 /*
61 fscanf (coords, "%s %f %f\n",
62 S.gi_data[i],
63 &S.base_vertices_data[i][0],
64 &S.base_vertices_data[i][1]);
65 */
66
67 int i = coordinates.coord_id;
68
69 strncpy(S.gi_data[i],
70 coordinates.gi.data,
71 sizeof (S.gi_data[i]));
72
73 S.base_vertices_data[i][0] = coordinates.x;
74 S.base_vertices_data[i][1] = coordinates.y;
75
76 if (S.base_vertices_data[i][0] < S.bb.min_x)
77 S.bb.min_x = S.base_vertices_data[i][0];
78 if (S.base_vertices_data[i][0] > S.bb.max_x)
79 S.bb.max_x = S.base_vertices_data[i][0];
80 if (S.base_vertices_data[i][1] < S.bb.min_y)
81 S.bb.min_y = S.base_vertices_data[i][1];
82 if (S.base_vertices_data[i][1] > S.bb.max_y)
83 S.bb.max_y = S.base_vertices_data[i][1];
84
85 /*
86 * Deselected by default.
87 */
88 S.selection[i] = false;
89
90 S.base_colors_data[i][0] = DEFAULT_COLOR_R;
91 S.base_colors_data[i][1] = DEFAULT_COLOR_G;
92 S.base_colors_data[i][2] = DEFAULT_COLOR_B;
93
94 EXEC SQL FETCH c2 INTO :coordinates;
95 }
96
97 EXEC SQL CLOSE c2;
98
99 /*
100 fclose (coords);
101 */
102
103 /*
104 * Find the largest axis and use it to setup the projection. This
105 * is done to preserve the aspect ratio. The aspect ratio should be
106 * preserved since relative distance is a meaningful indicator in
107 * the map.
108 */
109
110 // Min of min x or min y.
111 if (S.bb.min_x <= S.bb.min_y)
112 S.ortho_min = S.bb.min_x;
113 else
114 S.ortho_min = S.bb.min_y;
115 S.ortho_min--;
116
117 // Max of max x or max y.
118 if (S.bb.max_x >= S.bb.max_y)
119 S.ortho_max = S.bb.max_x;
120 else
121 S.ortho_max = S.bb.max_y;
122 S.ortho_max++;
123
124 // Invert the y coordinate to match up with the LGL Java viewer.
125 for (int i = 0; i < ROWS; i++)
126 S.base_vertices_data[i][1] =
127 S.ortho_max - S.base_vertices_data[i][1];
128
129 glGenBuffers (2, S.buffers);
130
131 glBindBuffer (GL_ARRAY_BUFFER, S.buffers[BASE_VERTICES]);
132 glVertexPointer (2, GL_FLOAT, 0, 0);
133 glBufferData (GL_ARRAY_BUFFER,
134 sizeof (S.base_vertices_data), S.base_vertices_data,
135 GL_STATIC_DRAW);
136
137 glBindBuffer (GL_ARRAY_BUFFER, S.buffers[BASE_COLORS]);
138 glColorPointer (3, GL_FLOAT, 0, 0);
139 glBufferData (GL_ARRAY_BUFFER,
140 sizeof (S.base_colors_data), S.base_colors_data,
141 GL_STATIC_DRAW);
142
143 return;
144}
diff --git a/src/util/pick_convert.c b/src/util/pick_convert.c
new file mode 100644
index 0000000..baafcfb
--- a/dev/null
+++ b/src/util/pick_convert.c
@@ -0,0 +1,50 @@
1#include "pick_convert.h"
2
3/*
4 * Width and height of a selection box about a single-click selection.
5 */
6#define N 3.0
7
8void pick_convert (int select_x, int select_y, int x, int y,
9 double *c_x, double *c_y, double *w, double *h)
10{
11 /*
12 * Calculate X and the width.
13 */
14 if (x > select_x)
15 {
16 *c_x = (x - select_x) / 2.0 + select_x;
17 *w = x - select_x;
18 }
19 else if (x < select_x)
20 {
21 *c_x = (select_x - x) / 2.0 + x;
22 *w = select_x - x;
23 }
24 else
25 {
26 *c_x = x;
27 *w = N;
28 }
29
30 /*
31 * Calculate Y and the width.
32 */
33 if (y > select_y)
34 {
35 *c_y = (y - select_y) / 2.0 + select_y;
36 *h = y - select_y;
37 }
38 else if (y < select_y)
39 {
40 *c_y = (select_y - y) / 2.0 + y;
41 *h = select_y - y;
42 }
43 else
44 {
45 *c_y = y;
46 *h = N;
47 }
48
49 return;
50}
diff --git a/src/util/pick_convert.h b/src/util/pick_convert.h
new file mode 100644
index 0000000..a532b6e
--- a/dev/null
+++ b/src/util/pick_convert.h
@@ -0,0 +1,29 @@
1#ifndef PICK_CONVERT_H
2#define PICK_CONVERT_H
3
4/*
5 * Convert bounding box coordinates to a center point and delta x and
6 * y coordinates. This function initially designed to convert a
7 * two-point mouse selection to the parameters needed for
8 * gluPickMatrix.
9 *
10 * select_x: X coordinate of point used to begin selection.
11 *
12 * select_y: Y coordinate of point used to begin selection.
13 *
14 * x: X coordinate of point used to end selection.
15 *
16 * y: Y coordinate of point used to end selection.
17 *
18 * c_x: X coordinate in the center of the picking region.
19 *
20 * c_y: Y coordinate in the center of the picking region.
21 *
22 * w: Width of the picking region.
23 *
24 * h: Height of the picking region.
25 */
26void pick_convert (int select_x, int select_y, int x, int y,
27 double *c_x, double *c_y, double *w, double *h);
28
29#endif // PICK_CONVERT_H

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