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ofApp.cpp
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238 lines (194 loc) · 6.77 KB
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#include "ofApp.h"
bool ofApp::is_inside_rect(float x, float y, float rec_x_start, float rec_y_start, float rec_x_end, float rec_y_end)
{
float x_start, x_end, y_start, y_end;
if (rec_x_start < rec_x_end && rec_y_start > rec_y_end) {
x_start = rec_x_start;
x_end = rec_x_end;
y_start = rec_y_start;
y_end = rec_y_end;
}
else if (rec_x_start > rec_x_end && rec_y_start > rec_y_end) {
x_start = rec_x_end;
x_end = rec_x_start;
y_start = rec_y_start;
y_end = rec_y_end;
}
else if (rec_x_start > rec_x_end && rec_y_start < rec_y_end) {
x_start = rec_x_end;
x_end = rec_x_start;
y_start = rec_y_end;
y_end = rec_y_start;
}
else {
x_start = rec_x_start;
x_end = rec_x_end;
y_start = rec_y_end;
y_end = rec_y_start;
}
return (x >= x_start && x <= x_end) && (y <= y_start && y >= y_end);
}
bool ofApp::load_file(string filepath)
{
if (!filepath.empty()) {
size_t index_last_path_delimiter = filepath.find_last_of('/');
if (index_last_path_delimiter == string::npos) {
index_last_path_delimiter = filepath.find_last_of('\\');
}
if (index_last_path_delimiter == string::npos) {
err_code = new string("Bad file path");
return false;
}
filename = filepath.substr(index_last_path_delimiter + 1);
if (filename.length() > 4) {
string extension = filename.substr(filename.length() - 4);
if (extension.compare(".tsv") == 0) {
// valid file and valid extension
table_reader->read_data(filepath);
parallel_coord->set_filename(filename);
parallel_coord->set_bounds(parallel_coord_x, parallel_coord_y,
screen_width - 2 * parallel_coord_x, screen_height - parallel_coord_y);
parallel_coord->set_columns(table_reader->get_columns());
parallel_coord->set_column_values(table_reader->get_column_values());
scatterplot->setup(scatter_plot_x, scatter_plot_y, scatter_plot_width, scatter_plot_height, 3);
scatterplot->set_columns(table_reader->get_columns());
scatterplot->set_column_values(table_reader->get_column_values());
scatterplot->set_brush_mask(parallel_coord->get_bursh_mask());
return true;
}
else {
err_code = new string("Incorrect file extension");
return false;
}
}
else {
err_code = new string("Incorrect file extension");
return false;
}
}
err_code = new string("Empty filepath");
return false;
}
ofApp::ofApp()
{
table_reader = new TableReader();
parallel_coord = new ParallelCoord();
scatterplot = new Scatterplot();
file_loaded = false;
}
//--------------------------------------------------------------
void ofApp::setup(){
//old OF default is 96 - but this results in fonts looking larger than in other programs.
ofTrueTypeFont::setGlobalDpi(72);
button_label_font_size = 42;
//Loading verdana font
verdana_button_label.load("verdana.ttf", button_label_font_size, true, true);
verdana_button_label.setLineHeight(20.0f);
verdana_button_label.setLetterSpacing(1.2f);
button_label = string("Load file ...");
button_bg_color.set(90, 90, 90);
button_label_color.set(255, 255, 255);
ofSetFullscreen(true);
screen_height = ofGetScreenHeight();
screen_width = ofGetScreenWidth();
parallel_coord_x = 0;
parallel_coord_y = 0.35f * screen_height; // give 70% of height for parallel coord to draw
scatter_plot_height = 0.35f * screen_height;
scatter_plot_width = 2.5f * scatter_plot_height;
scatter_plot_x = screen_width - scatter_plot_width;
scatter_plot_y = 0;
ofBackground(196, 196, 196);
ofEnableSmoothing();
file_loaded = load_file(ofToDataPath("cars.tsv"));
}
//--------------------------------------------------------------
void ofApp::update(){
float str_width = verdana_button_label.stringWidth(button_label);
float str_height = verdana_button_label.stringHeight(button_label);
button_rect_start.x = ofApp::BUTTON_X;
button_rect_start.y = ofApp::BUTTON_Y;
button_width = str_width + 2 * ofApp::BUTTON_OFFSET;
button_height = str_height + 2 * ofApp::BUTTON_OFFSET;
if (file_loaded) {
parallel_coord->update();
}
}
//--------------------------------------------------------------
void ofApp::draw(){
// Draw button background
ofSetColor(button_bg_color);
ofDrawRectangle(button_rect_start.x, button_rect_start.y, button_width, button_height);
// Draw button label
ofSetColor(button_label_color);
verdana_button_label.drawString(button_label,
button_rect_start.x + ofApp::BUTTON_OFFSET, ofApp::BUTTON_Y + button_height - ofApp::BUTTON_OFFSET);
if (file_loaded) {
// Draw title
ofSetColor(button_bg_color);
verdana_button_label.drawString(filename,
button_rect_start.x, button_rect_start.y + button_height * 2 + ofApp::BUTTON_OFFSET);
parallel_coord->draw();
scatterplot->draw();
}
else if (err_code != NULL && !err_code->empty()) {
ofSetColor(button_bg_color);
verdana_button_label.drawString(err_code->c_str(),
button_rect_start.x, button_rect_start.y + button_height * 2 + ofApp::BUTTON_OFFSET);
}
}
//--------------------------------------------------------------
void ofApp::keyPressed(int key){
}
//--------------------------------------------------------------
void ofApp::keyReleased(int key){
}
//--------------------------------------------------------------
void ofApp::mouseMoved(int x, int y ){
if (is_inside_rect(x, y, button_rect_start.x, button_rect_start.y, button_rect_start.x + button_width, button_rect_start.y + button_height)) {
button_bg_color.set(60, 60, 60);
}
else {
button_bg_color.set(90, 90, 90);
}
}
//--------------------------------------------------------------
void ofApp::mouseDragged(int x, int y, int button){
}
//--------------------------------------------------------------
void ofApp::mousePressed(int x, int y, int button){
if (is_inside_rect(x, y, button_rect_start.x, button_rect_start.y, button_rect_start.x + button_width, button_rect_start.y + button_height)) {
/*ofFileDialogResult result = ofSystemLoadDialog(button_label);
if (result.bSuccess) {
string path = result.getPath();
if (file_loaded) {
scatterplot->reset();
parallel_coord->reset();
table_reader->reset();
}
// clear previous err code
if (err_code != NULL) {
err_code->clear();
}
file_loaded = load_file(path);
}*/
button_bg_color.set(90, 90, 90);
}
}
//--------------------------------------------------------------
void ofApp::mouseReleased(int x, int y, int button){
}
//--------------------------------------------------------------
void ofApp::mouseEntered(int x, int y){
}
//--------------------------------------------------------------
void ofApp::mouseExited(int x, int y){
}
//--------------------------------------------------------------
void ofApp::windowResized(int w, int h){
}
//--------------------------------------------------------------
void ofApp::gotMessage(ofMessage msg){
}
//--------------------------------------------------------------
void ofApp::dragEvent(ofDragInfo dragInfo){
}