[Csp-commits] svn:csp r1940 - trunk/csp/tools/layout

[<sv...@ww...>]

Author: mkrose
Date: 2006-05-09 07:36:34 -0700 (Tue, 09 May 2006)
New Revision: 1940

Added:
   trunk/csp/tools/layout/RegionSelect.cpp
   trunk/csp/tools/layout/RegionSelect.h
Log:
Add missing files for the layout tool.  RegionSelect will
be used to select multiple objects in a rectangular region,
although this feature is not fully implemented yet.

Browse at: https://www.zerobar.net/viewcvs/viewcvs.cgi?view=rev&rev=1940

Added: trunk/csp/tools/layout/RegionSelect.cpp
===================================================================
--- trunk/csp/tools/layout/RegionSelect.cpp	2006-05-02 18:02:28 UTC (rev 1939)
+++ trunk/csp/tools/layout/RegionSelect.cpp	2006-05-09 14:36:34 UTC (rev 1940)
@@ -0,0 +1,90 @@
+// CSPLayout
+// Copyright 2005 Mark Rose <mk...@us...>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, US
+
+
+#include "RegionSelect.h"
+
+#include <osg/Geode>
+#include <osg/Geometry>
+#include <osg/LineStipple>
+#include <osg/MatrixTransform>
+#include <osg/PrimitiveSet>
+#include <osg/Projection>
+
+#include <cmath>
+#include <cassert>
+#include <iostream>
+
+RegionSelect::RegionSelect() {
+	osg::Projection *projection = new osg::Projection;
+	projection->setMatrix(osg::Matrix::ortho2D(-1, 1, -1, 1));
+	osg::MatrixTransform *model_view_abs = new osg::MatrixTransform;
+	model_view_abs->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
+	model_view_abs->setMatrix(osg::Matrix::identity());
+
+	model_view_abs->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
+	model_view_abs->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
+	model_view_abs->getOrCreateStateSet()->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
+	model_view_abs->getOrCreateStateSet()->setRenderBinDetails(11, "RenderBin");
+
+	_vertex_array = new osg::Vec3Array(4);
+	(*_vertex_array)[0].set(0.0, 0.0, 0.0);
+	(*_vertex_array)[1].set(0.0, 0.0, 0.0);
+	(*_vertex_array)[2].set(0.0, 0.0, 0.0);
+	(*_vertex_array)[3].set(0.0, 0.0, 0.0);
+	osg::Geode *geode = new osg::Geode();
+	_box = new osg::Geometry();
+	_box->setVertexArray(_vertex_array.get());
+
+	osg::Vec4Array *color_array = new osg::Vec4Array;
+	color_array->push_back(osg::Vec4(1.0, 1.0, 1.0, 0.5));
+	_box->setColorArray(color_array);
+	_box->setColorBinding(osg::Geometry::BIND_OVERALL);
+
+	osg::Vec3Array *normal_array = new osg::Vec3Array;
+	normal_array->push_back(osg::Vec3(0.0, -1.0, 0.0));
+	_box->setNormalArray(normal_array);
+	_box->setNormalBinding(osg::Geometry::BIND_OVERALL);
+
+	_box->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::LINE_LOOP, 0, 4));
+	addChild(projection);
+	projection->addChild(model_view_abs);
+	model_view_abs->addChild(geode);
+	geode->addDrawable(_box.get());
+	osg::LineStipple *stipple = new osg::LineStipple;
+	stipple->setPattern(0x5555);
+	geode->getOrCreateStateSet()->setAttributeAndModes(stipple);
+}
+
+void RegionSelect::hide() {
+	setNodeMask(0);
+}
+
+void RegionSelect::show() {
+	setNodeMask(~0);
+}
+
+void RegionSelect::update(float x0, float y0, float x1, float y1) {
+	assert(_vertex_array.valid());
+	(*_vertex_array)[0].set(x0, y0, -1.0);
+	(*_vertex_array)[1].set(x1, y0, -1.0);
+	(*_vertex_array)[2].set(x1, y1, -1.0);
+	(*_vertex_array)[3].set(x0, y1, -1.0);
+	_box->setVertexArray(_vertex_array.get());
+}
+
+

Added: trunk/csp/tools/layout/RegionSelect.h
===================================================================
--- trunk/csp/tools/layout/RegionSelect.h	2006-05-02 18:02:28 UTC (rev 1939)
+++ trunk/csp/tools/layout/RegionSelect.h	2006-05-09 14:36:34 UTC (rev 1940)
@@ -0,0 +1,45 @@
+// CSPLayout
+// Copyright 2005 Mark Rose <mk...@us...>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, US
+
+
+#ifndef __CSP_LAYOUT_REGIONSELECT_H__
+#define __CSP_LAYOUT_REGIONSELECT_H__
+
+#include <osg/ref_ptr>
+#include <osg/Array>
+#include <osg/Group>
+#include <osg/Vec3>
+
+namespace osg { class Geometry; }
+
+/**
+ * A scene element that provides a 2D selection box.
+ */
+class RegionSelect: public osg::Group {
+public:
+	RegionSelect();
+
+	void hide();
+	void show();
+	void update(float, float, float, float);
+
+private:
+	osg::ref_ptr<osg::Vec3Array> _vertex_array;
+	osg::ref_ptr<osg::Geometry> _box;
+};
+
+#endif // __CSP_LAYOUT_REGIONSELECT_H__