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NickHardemanNickHardeman
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save example
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‎examples/input_output/svgSaveExample/bin/data/ofxSvg.svg‎

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‎examples/input_output/svgSaveExample/src/main.cpp‎

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#include "ofMain.h"
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#include "ofApp.h"
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//========================================================================
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int main( ){
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//Use ofGLFWWindowSettings for more options like multi-monitor fullscreen
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ofGLWindowSettings settings;
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settings.setSize(1024, 768);
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settings.setGLVersion(3,2);
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settings.windowMode = OF_WINDOW; //can also be OF_FULLSCREEN
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auto window = ofCreateWindow(settings);
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ofRunApp(window, std::make_shared<ofApp>());
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ofRunMainLoop();
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}

‎examples/input_output/svgSaveExample/src/ofApp.cpp‎

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#include "ofApp.h"
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//--------------------------------------------------------------
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void ofApp::setup(){
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ofSetBackgroundColor( 230 );
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svgAddTypes = {
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OFXSVG_TYPE_RECTANGLE,
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OFXSVG_TYPE_CIRCLE,
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OFXSVG_TYPE_PATH
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};
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svg.load("ofxSvg.svg");
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}
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//--------------------------------------------------------------
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void ofApp::update(){
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svg.setBoundsWidth(ofGetWidth());
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svg.setBoundsHeight(ofGetHeight());
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}
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//--------------------------------------------------------------
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void ofApp::draw(){
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svg.draw();
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ofSetColor( ofColor::cyan );
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polyline.draw();
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std::stringstream ss;
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ss << "Add Type (left/right): " << (svgTypeIndex+1) << " / " << svgAddTypes.size() << " - " << ofxSvgElement::sGetTypeAsString(svgAddTypes[svgTypeIndex]);
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if( svgAddTypes[svgTypeIndex] == OFXSVG_TYPE_PATH ) {
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ss << std::endl << "Click and drag mouse to add points.";
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}
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ss << std::endl << "Size (up/down): " << size;
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ss << std::endl << "Save (s)";
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ss << std::endl << "Clear (delete)";
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ofDrawBitmapStringHighlight(ss.str(), 40, 40);
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}
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//--------------------------------------------------------------
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void ofApp::exit(){
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}
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//--------------------------------------------------------------
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void ofApp::keyPressed(int key){
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if( key == OF_KEY_DEL || key == OF_KEY_BACKSPACE ) {
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svg.clear();
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}
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if( key == 's' ) {
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std::string filename = ofGetTimestampString()+".svg";
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ofLogNotice("ofApp") << "saving svg to file: " << filename;
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svg.save(filename);
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}
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if( key == OF_KEY_RIGHT ) {
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svgTypeIndex++;
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svgTypeIndex %= svgAddTypes.size();
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}
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if( key == OF_KEY_LEFT ) {
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svgTypeIndex--;
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if( svgTypeIndex < 0 ) {
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svgTypeIndex = svgAddTypes.size()-1;
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}
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}
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if( key == OF_KEY_UP ) {
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size += 2;
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}
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if( key == OF_KEY_DOWN ) {
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size -= 2;
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}
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size = ofClamp( size, 2, 2000 );
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}
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//--------------------------------------------------------------
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void ofApp::keyReleased(int key){
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}
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//--------------------------------------------------------------
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void ofApp::mouseMoved(int x, int y ){
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}
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//--------------------------------------------------------------
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void ofApp::mouseDragged(int x, int y, int button){
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if(polyline.size() > 0 ) {
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polyline.addVertex(glm::vec3(x,y,0.f));
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}
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}
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//--------------------------------------------------------------
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void ofApp::mousePressed(int x, int y, int button){
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polyline.clear();
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svg.setFilled(true);
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svg.setHasStroke(false);
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// svg.setStrokeWidth(0);
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if( svgAddTypes[svgTypeIndex] == OFXSVG_TYPE_RECTANGLE ) {
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ofRectangle rect;
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rect.setFromCenter(x, y, size, size);
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svg.setFillColor(ofColor(255, x%255, (y*10) % 255));
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auto svgRect = svg.add( rect );
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svgRect->setName("r-"+ofToString(ofGetFrameNum()));
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} else if( svgAddTypes[svgTypeIndex] == OFXSVG_TYPE_CIRCLE ) {
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svg.setFillColor(ofColor(x%255, 205, (y*10) % 255));
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auto svgCircle = svg.addCircle( glm::vec2(x,y), size );
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svgCircle->setName("c-"+ofToString(ofGetFrameNum()));
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} else if( svgAddTypes[svgTypeIndex] == OFXSVG_TYPE_PATH ) {
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svg.setFilled(false);
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svg.setStrokeColor(ofColor::magenta);
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svg.setStrokeWidth(3);
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polyline.addVertex(glm::vec3(x,y,0.f));
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}
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std::cout << "------------------------------------" << std::endl;
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std::cout << svg.toString() << std::endl;
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std::cout << "------------------------------------" << std::endl;
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}
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//--------------------------------------------------------------
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void ofApp::mouseReleased(int x, int y, int button){
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if( svgAddTypes[svgTypeIndex] == OFXSVG_TYPE_PATH ) {
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if( polyline.size() > 2 ) {
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auto svgPath = svg.add(polyline);
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svgPath->setName("p-"+ofToString(ofGetFrameNum()));
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polyline.clear();
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}
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}
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}
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//--------------------------------------------------------------
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void ofApp::mouseScrolled(int x, int y, float scrollX, float scrollY){
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}
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//--------------------------------------------------------------
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void ofApp::mouseEntered(int x, int y){
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}
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//--------------------------------------------------------------
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void ofApp::mouseExited(int x, int y){
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}
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//--------------------------------------------------------------
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void ofApp::windowResized(int w, int h){
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}
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//--------------------------------------------------------------
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void ofApp::gotMessage(ofMessage msg){
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}
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//--------------------------------------------------------------
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void ofApp::dragEvent(ofDragInfo dragInfo){
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}

‎examples/input_output/svgSaveExample/src/ofApp.h‎

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#pragma once
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#include "ofMain.h"
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#include "ofxSvg.h"
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class ofApp : public ofBaseApp{
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public:
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void setup() override;
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void update() override;
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void draw() override;
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void exit() override;
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void keyPressed(int key) override;
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void keyReleased(int key) override;
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void mouseMoved(int x, int y ) override;
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void mouseDragged(int x, int y, int button) override;
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void mousePressed(int x, int y, int button) override;
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void mouseReleased(int x, int y, int button) override;
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void mouseScrolled(int x, int y, float scrollX, float scrollY) override;
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void mouseEntered(int x, int y) override;
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void mouseExited(int x, int y) override;
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void windowResized(int w, int h) override;
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void dragEvent(ofDragInfo dragInfo) override;
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void gotMessage(ofMessage msg) override;
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ofxSvg svg;
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std::vector<ofxSvgType> svgAddTypes;
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int svgTypeIndex = 0;
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int size = 20;
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ofPolyline polyline;
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};

‎examples/input_output/svgSaveExample/svgSaveExample.png‎

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