From ae6ce70b96395c1a73c5b1e2be498a18628c44e1 Mon Sep 17 00:00:00 2001
From: Don Pellegrino <don@drexel.edu>
Date: Thu, 18 Jun 2009 21:13:44 +0000
Subject: Implemented zooming.

---
diff --git a/src/model/exp004base.sqc b/src/model/exp004base.sqc
index cbf2291..2742138 100644
--- a/src/model/exp004base.sqc
+++ b/src/model/exp004base.sqc
@@ -4,11 +4,12 @@
 
 #include "exp004base.h"
 #include "../view/exp004state0.h"
+#include "../util/check_error.h"
 #include <GL/glut.h>
 #include <stdio.h>
 #include <string.h>
-
-EXEC SQL INCLUDE sqlca;
+#include "sqlca.h"
+extern struct sqlca sqlca;
 
 /*
  * A simple alias to make the code more readable.
@@ -18,8 +19,6 @@ EXEC SQL INCLUDE sqlca;
 void
 exp004base (void)
 {
-  EXEC SQL CONNECT TO exp004;
-
   /* 
    * This implementation can be improved by mapping the video memory
    * directly rather than loading into system memory and then copying
@@ -49,7 +48,7 @@ exp004base (void)
   EXEC SQL FETCH c2 INTO :coordinates;
   while (sqlca.sqlcode != 100)
     {
-      int i = coordinates.coord_id;
+      int i = coordinates.coord_id - 1;
 
       strncpy(S.gi_data[i], 
 	      coordinates.gi.data, 
@@ -70,7 +69,7 @@ exp004base (void)
       /*
        * Deselected by default.
        */
-      S.selection[i] = false;
+      S.selection.set[i] = false;
 
       S.base_colors_data[i][0] = DEFAULT_COLOR_R;
       S.base_colors_data[i][1] = DEFAULT_COLOR_G;
diff --git a/src/model/exp004state.h b/src/model/exp004state.h
index e3106ec..11e9ebd 100644
--- a/src/model/exp004state.h
+++ b/src/model/exp004state.h
@@ -1,7 +1,8 @@
 #ifndef EXP004STATE_H
 #define EXP004STATE_H
 
-#include <stdbool.h>
+#include "selection_info.h"
+#include "zoom_info.h"
 
 /*
  * Buffer object identifiers.
@@ -9,11 +10,6 @@
 #define BASE_VERTICES 0
 #define BASE_COLORS 1
 
-/*
- * Vertices in the graph.
- */
-#define ROWS 83905
-
 #define DEFAULT_COLOR_R 0.5
 #define DEFAULT_COLOR_G 0.5
 #define DEFAULT_COLOR_B 0.5
@@ -88,31 +84,10 @@ typedef struct
    */
   float base_colors_data[ROWS][4];
 
-  /*
-   * Selection list.
-   */
-  bool selection[ROWS];
-
-  /*
-   * Indicate if the user is currently defining a selection.
-   */
-  bool selecting;
-
-  /*
-   * X coordinate of mouse when selection mode initiated.
-   */
-  int select_x;
-
-  /*
-   * Y coordinate of mouse when selection mode initiated.
-   */
-  int select_y;
-
-  /*
-   * Indicate if a selection should be used for a new set or a zoom region.
-   */
-  bool zoom;
+  SELECTION_INFO selection;
 
+  ZOOM_INFO zoom;
+  
 } EXP004STATE;
 
 #endif // EXP004STATE_H
diff --git a/src/view/exp004init.c b/src/view/exp004init.c
index fa4b2b0..97bd779 100644
--- a/src/view/exp004init.c
+++ b/src/view/exp004init.c
@@ -1,12 +1,15 @@
 #include "exp004init.h"
 #include "exp004state0.h"
+#include "../model/selection_info_init.h"
+#include "../model/zoom_info_init.h"
 
 #define S exp004state0
 
 void
 exp004init (void)
 {
-  S.zoom = false;
+  selection_info_init (&S.selection);
+  zoom_info_init (&S.zoom);
 
   return;
 }
diff --git a/src/view/exp004view.c b/src/view/exp004view.c
index aa6e966..cc27a93 100644
--- a/src/view/exp004view.c
+++ b/src/view/exp004view.c
@@ -2,6 +2,7 @@
 #include "../controller/exp004mouse.h"
 #include "../controller/exp004reshape.h"
 #include "../controller/keyboard.h"
+#include "../db/dbconnect.h"
 #include "../model/exp004base.h"
 #include "exp004init.h"
 #include "exp004view.h"
@@ -10,6 +11,9 @@
 void
 exp004view (void)
 {
+  // Connect to the database.
+  dbconnect ();
+
   // GLUT Initialization
   glutInitWindowSize (500, 500);
   glutInitWindowPosition (100, 100);
--
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