void DelaunayMeshMaker::fileDrop( FileDropEvent event ){
try {
mSurface = loadImage( event.getFile( 0 ) );
int width = mSurface.getWidth();
int height = mSurface.getHeight();
app::setWindowSize( width, height );
mFbo = gl::Fbo( width, height, false );
mBorderPoints.clear();
mBorderPoints.push_back( Vec2f::zero() );
mBorderPoints.push_back( Vec2f( (float)width, 0 ) );
mBorderPoints.push_back( Vec2f( (float)width ,(float)height ) );
mBorderPoints.push_back( Vec2f( 0 ,(float)height ) );
mSteinerPoints.clear();
mMesh.clear();
tesselate();
}
catch( ... ) {
console() << "unable to load the texture file!" << std::endl;
};
}
static void genPlaneResult(unsigned int width, unsigned int height, ci::TriMesh& mesh)
{
mesh.clear();
float demiW = static_cast<float>(width / 2);
float demiH = static_cast<float>(height / 2);
for (float j = -demiH; j < demiH; ++j)
{
for (float i = -demiW; i < demiW; ++i)
{
mesh.appendVertex(ci::Vec3f(i, j, 0.0f));
mesh.appendTexCoord(ci::Vec2f(
(i + demiW) / width,
(j + demiH) / height
));
}
}
//For create face algorithme
size_t w = width - 1;
size_t h = height - 1;
for (size_t j = 0; j < h; ++j)
{
for (size_t i = 0; i < w; ++i)
{
mesh.appendTriangle(width * j + i, width * (j + 1) + i, width * j + i + 1);
mesh.appendTriangle(width * j + i + 1, width * (j + 1) + i, width * (j + 1) + i + 1);
}
}
}
void DelaunayMeshMaker::setup()
{
mSurface = loadImage( app::loadAsset( "texture0.jpg" ) );
int width = mSurface.getWidth();
int height = mSurface.getHeight();
app::setWindowSize( width, height );
mFbo = gl::Fbo( width, height, false );
mBorderPoints.push_back( Vec2f::zero() );
mBorderPoints.push_back( Vec2f( (float)width, 0 ) );
mBorderPoints.push_back( Vec2f( (float)width ,(float)height ) );
mBorderPoints.push_back( Vec2f( 0 ,(float)height ) );
mMesh.clear();
mParams = params::InterfaceGl( "Parameters", Vec2i( 300, 250 ) );
mParams.addParam( "Alpha", &mAlpha, "max=1.0 min=0.0 step=0.005" );
mParams.addParam( "Blend", &mBlend );
mParams.addParam( "Phong Shading", &mApplyPhongShading );
mParams.addParam( "Depth Offset", &mDepthOffset, "step=0.1" );
mParams.addParam( "Draw wireframe", &mDrawWireframe );
mParams.addSeparator();
mParams.addText("Edge detection");
mParams.addParam( "Edge detection scale down", &mScaleDown, "min=1" );
mParams.addParam( "Minimum threshold", &mCannyMinThreshold, "min=0.0f" );
mParams.addParam( "Maximum threshold", &mCannyMaxThreshold, "min=0.0f" );
mParams.addSeparator();
mParams.addButton( "Tesselate", std::bind( &DelaunayMeshMaker::tesselate, this ) );
mScaleDown = 8;
mScaleDownPrev = mScaleDown;
mCannyMinThreshold = 60.0;
mCannyMaxThreshold = 70.0;
mAlpha = 0.0f;
mBlend = false;
mApplyPhongShading = false;
mDrawWireframe = false;
mDepthOffset = 0.0f;
mPrevDepthOffset = mDepthOffset;
mPrevBlend = mBlend;
mPhongShader = gl::GlslProg( loadAsset("phong_vert.glsl"), loadAsset("phong_frag.glsl") );
mEdgeDetectSurface = edgeDetect( Surface8u( mSurface ), mCannyMinThreshold, mCannyMaxThreshold, mScaleDownPrev );
mTesselator = Tesselator::makeTesselator();
mTesselator->sDone.connect( boost::bind( &DelaunayMeshMaker::onTesselationDone, this ) );
}