71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
// -*-c++-*- osgWidget - Code by: Jeremy Moles (cubicool) 2007-2008
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// $Id: osgwidgetshader.cpp 28 2008-03-26 15:26:48Z cubicool $
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#include <osgDB/ReadFile>
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#include <osgWidget/Util>
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#include <osgWidget/WindowManager>
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#include <osgWidget/Canvas>
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const unsigned int MASK_2D = 0xF0000000;
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osgWidget::Widget* createWidget(
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const std::string& name,
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osgWidget::color_type col,
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osgWidget::Widget::Layer layer
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) {
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osgWidget::Widget* widget = new osgWidget::Widget(name, 200.0f, 200.0f);
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widget->setColor(col, col, col, 0.2f);
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widget->setLayer(layer);
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return widget;
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}
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int main(int, char**)
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{
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osgViewer::Viewer viewer;
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osgWidget::WindowManager* wm = new osgWidget::WindowManager(
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&viewer,
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1280.0f,
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1024.0f,
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MASK_2D
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);
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osgWidget::Canvas* canvas = new osgWidget::Canvas("canvas");
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canvas->attachMoveCallback();
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canvas->attachScaleCallback();
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canvas->addWidget(
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createWidget("w1", 0.2f, osgWidget::Widget::LAYER_LOW),
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0.0f,
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0.0f
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);
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canvas->addWidget(
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createWidget("w2", 0.4f, osgWidget::Widget::LAYER_MIDDLE),
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200.0f,
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0.0f
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);
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canvas->addWidget(
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createWidget("w3", 0.6f, osgWidget::Widget::LAYER_HIGH),
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400.0f,
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0.0f
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);
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wm->addChild(canvas);
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osg::Program* program = new osg::Program();
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program->addShader(osgDB::readRefShaderFile( osg::Shader::VERTEX, "osgWidget/osgwidgetshader-vert.glsl" ) );
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program->addShader(osgDB::readRefShaderFile( osg::Shader::FRAGMENT, "osgWidget/osgwidgetshader-frag.glsl" ) );
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canvas->getGeode()->getOrCreateStateSet()->setAttribute(program);
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return osgWidget::createExample(viewer, wm);
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}
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