From f1abdf57b72348c13302e143753ef0da0d51eba5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rafa=C5=82=20D=C5=82ugo=C5=82=C4=99cki?=
 <rafal@dlugolecki.net.pl>
Date: Wed, 22 Jan 2014 20:34:46 +0100
Subject: [PATCH] Added openGL to automake build. Fixed perspective display.

---
 Makefile.am                 |  1 +
 configure.ac                |  7 +++++++
 src/viewport/drawing_area.c | 24 +++++++-----------------
 3 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 7d30f83..eec6ff5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -56,6 +56,7 @@ bin_familia_CPPFLAGS = \
 
 bin_familia_LDADD = \
 	$(bin_familia_LIBS) \
+	$(GLU_LIBS) \
 	@GEDCOM_LIBS@ \
 	-L/usr/lib \
 	-lzip
diff --git a/configure.ac b/configure.ac
index 4bb406b..4889595 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,6 +17,13 @@ GNOME_COMPILE_WARNINGS([maximum])
 PKG_CHECK_MODULES([bin_familia], [gtk+-3.0 libxml-2.0 gmodule-2.0 gtkglext-3.0])
 
 
+AX_CHECK_GL
+AS_IF([test X$no_gl = Xyes],
+      [AC_MSG_FAILURE([OpenGL is required.])])
+AX_CHECK_GLU
+AM_CONDITIONAL([GLU],[test "$no_glu" != yes])
+
+
 AC_CHECK_PROGS([DOXYGEN], [doxygen])
 if test -z "$DOXYGEN";
 	then AC_MSG_WARN([Doxygen not found - continuing without Doxygen support])
diff --git a/src/viewport/drawing_area.c b/src/viewport/drawing_area.c
index 374c87c..9a89fad 100644
--- a/src/viewport/drawing_area.c
+++ b/src/viewport/drawing_area.c
@@ -4,6 +4,7 @@
 
 #include "../debug.h"
 #include "drawing_area.h"
+#include "../graphics/individual.h"
 
 /**
  * The "draw" signal handler. All the OpenGL re-drawing should
@@ -17,16 +18,13 @@ gboolean drawing_area_draw(GtkWidget *widget, cairo_t *cr, gpointer user_data)
 		return FALSE;
 	}
 
-//	glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
 	glPushMatrix ();
 		glLoadIdentity ();
+		glTranslatef(0, 0, -10);
 		glColor3f (1.0, 1.0, 1.0);
-		glBegin(GL_TRIANGLES);
-			glVertex3f( 0.0f, 1.0f, 0.0f);    // Top
-			glVertex3f(-1.0f,-1.0f, 0.0f);    // Bottom Left
-			glVertex3f( 1.0f,-1.0f, 0.0f);    // Bottom Right
-		glEnd();
+		graphics_render_individual();
 	glPopMatrix ();
 
 	gtk_widget_end_gl (widget, TRUE);
@@ -62,6 +60,7 @@ gboolean drawing_area_configure_event (GtkWidget *widget,
 	w = allocation.width;
 	h = allocation.height;
 
+	aspect = w / h;
 	/*** OpenGL BEGIN ***/
 	if (!gtk_widget_begin_gl (widget))
 		return FALSE;
@@ -70,17 +69,8 @@ gboolean drawing_area_configure_event (GtkWidget *widget,
 
 	glMatrixMode (GL_PROJECTION);
 	glLoadIdentity ();
-
-//	if (w > h) {
-		aspect = w / h;
-//		glFrustum (-aspect, aspect, -1.0, 1.0, 5.0, 60.0);
-//	}
-//	else {
-//		aspect = h / w;
-		glFrustum (-1.0, 1.0, -aspect, aspect, 5.0, 60.0);
-//	}
-
-	glMatrixMode (GL_MODELVIEW);
+	gluPerspective (60.0, aspect, 1.0, 60.0);
+	glMatrixMode(GL_MODELVIEW);
 
 	gtk_widget_end_gl (widget, FALSE);
 	/*** OpenGL END ***/
-- 
2.30.2