From 52f12dfc10edfc4dd063b610f65dd2e901d3080c Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@getdrop.com>
Date: Wed, 30 Aug 2017 01:31:57 +0100
Subject: load save

---
 gui/src/chainImage.cpp | 78 ++++++++++++++++++++++++++++++++++++++++++++------
 gui/src/chainImage.h   | 23 ++++++++++++---
 gui/src/ofApp.cpp      |  1 +
 3 files changed, 89 insertions(+), 13 deletions(-)

(limited to 'gui')

diff --git a/gui/src/chainImage.cpp b/gui/src/chainImage.cpp
index 44aaace..67fbad6 100644
--- a/gui/src/chainImage.cpp
+++ b/gui/src/chainImage.cpp
@@ -86,6 +86,27 @@ void chainImage::drawChain(float fadeIn){
 	glPopMatrix();
 }
 
+Json::Value chainImage::toJson(){
+	Json::Value json=Json::Value(Json::objectValue);
+	json["linkPos"]=Json::Value(Json::arrayValue);
+	json["linkPos"].append(linkPos.x);
+	json["linkPos"].append(linkPos.y);
+	json["linkScale"]=linkScale;
+	json["linkRot"]=linkRot;
+	json["filename"]=filename;
+	return json;
+}
+
+bool chainImage::fromJson(Json::Value json){
+	if (load(json["filename"].asString())){
+		linkPos=ofPoint(json["linkPos"][0].asDouble(),json["linkPos"][1].asDouble());
+		linkScale=json["linkScale"].asDouble();
+		linkRot=json["linkRot"].asDouble();
+		return true;
+	}
+	return false;
+}
+
 void chainImageSet::drawGui(){
 	float t_xoffs=0.0;
 	float borderwidth=ofGetHeight()*(1.0-THUMB_BORDER_RATIO)*0.5;
@@ -203,10 +224,7 @@ if not make a symbolic link
 */
 	chainImage image;
 	if (image.load(filename)){
-		image.makeThumbnail();
-
-		//could there be a way to load without committing the texture
-		image.setUseTexture(false);
+		
 		image.init(ofPoint(0,0),
 			currentDefaultImageRatio,
 			0 //default rotation
@@ -295,10 +313,13 @@ void chainImageSet::keyPressed(ofKeyEventArgs &keyargs){
 			//Check if the user opened a file
 			if (openFileResult.bSuccess){
 				
-				ofLogVerbose("Selected %s\n",openFileResult.filePath);
 				
-				//We have a file, check it and process it
-				//processOpenFileSelection(openFileResult);
+				bool success=loadJson(openFileResult.fileName);
+
+				ofLogVerbose("Load %s %s\n",
+					openFileResult.filePath.c_str(),
+					success?"succeeded":"failed");
+				
 				
 			}else {
 				ofLogVerbose("User hit cancel");
@@ -345,10 +366,49 @@ void chainImageSet::mouseReleased(int x, int y, int button){
 }
 
 bool chainImageSet::saveJson(std::string filename){
+	ofxJSON json;
+
+	json["images"] = Json::Value(Json::arrayValue);
+
+	for(std::list<chainImage>::iterator ii=images.begin(); ii != images.end(); ii++){
+		json["images"].append(ii->toJson());
+	}
+
+
+	json.save(filename, true);
 
 }
-bool chainImageSet::loadJson(std::string filename){
-	
+bool chainImageSet::loadJson(std::string _filename){
+	ofxJSON json;
+	bool parsingSuccessful = json.open(_filename);
+
+    if (parsingSuccessful)
+    {
+    	images.clear();
+
+    	for (int i=0;i<json["images"].size();i++){
+    		chainImage image;
+    		if (image.fromJson(json["images"][i])){
+    			images.push_back(image);	
+    		} 
+    	}
+    	for (std::list<chainImage>::iterator ii=images.begin(); ii != images.end(); ii++){
+			auto li=ii;
+			li++;
+			if (li==images.end()) {
+				li=images.begin();
+			}
+			ii->link=&(*li);
+
+		}
+		selected=images.begin();
+		filename=_filename;
+		return true;
+
+
+    }
+    ofLogVerbose("JSON load: parsing unsuccesful\n");
+    return false;
 }
 
 
diff --git a/gui/src/chainImage.h b/gui/src/chainImage.h
index ac78bd3..6fa5bca 100644
--- a/gui/src/chainImage.h
+++ b/gui/src/chainImage.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "ofMain.h"
+#include "ofxJSON.h"
 
 #define THUMB_BORDER_RATIO 0.8
 
@@ -17,7 +18,15 @@ class chainImage : public ofImage{
 		void start();
 		bool load(std::string _filename){
 			filename=_filename;
-			return ofImage::load(filename);
+			if (ofImage::load(filename)){
+				makeThumbnail();
+
+				//could there be a way to load without committing the texture
+				setUseTexture(false);
+				return true;
+			}
+
+			return false;
 		}
 
 		bool update(float decayRatio);
@@ -29,17 +38,23 @@ class chainImage : public ofImage{
 		ofImage thumbnail;
 		void makeThumbnail();
 
+		Json::Value toJson();
+		bool fromJson(Json::Value json);
+
 		chainImage *link;
+
 		ofPoint linkPos;
 		float linkScale;
 		float linkRot;
+		std::string filename;
+
 		float transition;
 		float fadeIn;
 		float speed;
 		float time;
 		float scale;
 
-		std::string filename;
+		
 
 };
 
@@ -56,8 +71,8 @@ class chainImageSet{
 		void mousePressed(int x, int y, int button);
 		void mouseReleased(int x, int y, int button);
 
-		saveJson(std::string filename);
-		loadJson(std::string filename);
+		bool saveJson(std::string filename);
+		bool loadJson(std::string filename);
 
 		std::list <chainImage> images;
 		float currentDefaultImageRatio;
diff --git a/gui/src/ofApp.cpp b/gui/src/ofApp.cpp
index cb808d1..7e25b42 100644
--- a/gui/src/ofApp.cpp
+++ b/gui/src/ofApp.cpp
@@ -84,6 +84,7 @@ void ofApp::dragEvent(ofDragInfo dragInfo){
 			filenames=filenames+", ";
 		}
 		filenames=filenames+*f;
+
 		images.add(*f,dragInfo.position);
 	}
 	
-- 
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