initial chainimageset

1 files changed, 214 insertions, 0 deletions

diff --git a/gui/src/chainImage.cpp b/gui/src/chainImage.cpp
new file mode 100644
index 0000000..2ac6074
--- /dev/null
+++ b/gui/src/chainImage.cpp
@@ -0,0 +1,214 @@
+#include "chainImage.h"
+
+#define min(a,b) ((a) < (b) ? (a) : (b))
+#define max(a,b) ((a) > (b) ? (a) : (b))
+
+void chainImage::init(ofPoint _linkPos,float _linkScale,float _linkRot){
+	linkPos=_linkPos;
+	linkScale=_linkScale;
+	linkRot=_linkRot;
+	setAnchorPercent(0.5,0.5);
+}
+
+void chainImage::start(){
+	transition=0.0f;
+	time=ofGetElapsedTimef();
+	setUseTexture(true);
+	scale=linkScale;
+}
+
+bool chainImage::update(float decayRatio){
+
+	scale*=decayRatio;
+
+	transition=-(scale-linkScale)/(linkScale-(linkScale*link->linkScale));
+
+	if (scale>linkScale*link->linkScale) return false;
+	else {
+		transition = 1.0f;
+		return true;
+	}
+}
+ofVec3f chainImage::getTransform(){
+
+	ofVec3f _scaledTarget = link->linkPos * linkScale;
+	
+	return linkPos + ( _scaledTarget * transition );
+}
+float chainImage::getScale(){
+
+	return scale;
+	
+}
+void chainImage::makeThumbnail(){
+	thumbnail=(const ofImage)*this; //copy the ofImage itself
+
+	float thumbheight=ofGetHeight()*THUMB_BORDER_RATIO;
+	float thumbwidth=(thumbnail.getWidth()/thumbnail.getHeight())*thumbheight;
+
+	float borderwidth=ofGetHeight()*(1.0-THUMB_BORDER_RATIO)*0.5;
+
+	printf("Rescaling: %fx%f to %fx%f for screen %fx%f, border %f\n",
+		thumbnail.getWidth(),thumbnail.getHeight(),
+		thumbwidth,thumbheight,
+		(float)ofGetWidth(),(float)ofGetHeight(),
+		borderwidth);
+
+	thumbnail.resize(thumbwidth,thumbheight);
+
+	thumbnail.setAnchorPoint(thumbnail.getWidth()/2,thumbnail.getHeight()/2);
+}
+
+void chainImage::drawChain(float fadeIn){	
+
+	glPushMatrix();
+
+	ofDisableAlphaBlending(); 
+
+	ofSetColor(255,255,255,255);
+
+	draw(0,0,getWidth(),getHeight());
+
+	glTranslatef(linkPos.x,linkPos.y,0);
+
+	glScalef(linkScale,linkScale,linkScale);
+
+	ofEnableAlphaBlending(); 
+	 
+	ofSetColor(255,255,255,255*min(1.0,transition/fadeIn));
+
+	link->draw(0,0,link->getWidth(),link->getHeight());
+
+	glPopMatrix();
+}
+
+void chainImageSet::drawGui(){
+	float t_xoffs=0.0;
+	float borderwidth=ofGetHeight()*(1.0-THUMB_BORDER_RATIO)*0.5;
+
+	//draw each image, outlined
+
+	for(std::list<chainImage>::iterator ii=images.begin(); ii != images.end(); ii++){
+		
+		float thumbx=ii->thumbnail.getWidth()/2;
+		float thumby=ii->thumbnail.getHeight()/2;
+		float thumbscale=ii->thumbnail.getWidth()/ii->getWidth();
+
+		//why do I have to set this every time??
+		ii->thumbnail.setAnchorPercent(0.5,0.5);
+		
+		ii->thumbnail.draw(
+			t_xoffs+borderwidth+thumbx,
+			borderwidth+thumby,
+			ii->thumbnail.getWidth(),
+			ii->thumbnail.getHeight()
+			);
+
+		ofSetColor(255,255,255);
+
+		ofDrawLine(t_xoffs+borderwidth,borderwidth,
+			t_xoffs+borderwidth+ii->thumbnail.getWidth(),borderwidth);
+		ofDrawLine(t_xoffs+borderwidth+ii->thumbnail.getWidth(),borderwidth,
+			t_xoffs+borderwidth+ii->thumbnail.getWidth(),borderwidth+ii->thumbnail.getHeight());
+		ofDrawLine(t_xoffs+borderwidth+ii->thumbnail.getWidth(),borderwidth+ii->thumbnail.getHeight(),
+			t_xoffs+borderwidth,borderwidth+ii->thumbnail.getHeight());
+		ofDrawLine(t_xoffs+borderwidth,borderwidth+ii->thumbnail.getHeight(),
+			t_xoffs+borderwidth,borderwidth);
+		
+		if (ii->link){
+
+			float subpictx=t_xoffs+borderwidth+thumbx+(ii->linkPos.x*thumbscale);
+			float subpicty=borderwidth+thumby+(ii->linkPos.y*thumbscale);
+
+			ofDrawLine(
+				subpictx,
+				subpicty,
+				t_xoffs+(borderwidth*3)+ii->thumbnail.getWidth(),
+				borderwidth+thumby
+
+			);
+
+			//printf("Sub image: centre at %f,%f \n",ii->link->thumbnail.getAnchorPoint().x,ii->link->thumbnail.getAnchorPoint().y);
+			
+			ii->link->thumbnail.setAnchorPercent(0.5,0.5);
+
+			ii->link->thumbnail.draw(
+				subpictx,
+				subpicty,
+				ii->link->thumbnail.getWidth()*ii->linkScale,
+				ii->link->thumbnail.getHeight()*ii->linkScale
+			);
+
+			ofPoint p1=ofPoint(
+				subpictx-(ii->link->thumbnail.getWidth()*ii->linkScale*0.5),
+				subpicty-(ii->link->thumbnail.getHeight()*ii->linkScale*0.5));
+			ofPoint p2=ofPoint(
+				subpictx+(ii->link->thumbnail.getWidth()*ii->linkScale*0.5),
+				subpicty-(ii->link->thumbnail.getHeight()*ii->linkScale*0.5));
+			ofPoint p3=ofPoint(
+				subpictx+(ii->link->thumbnail.getWidth()*ii->linkScale*0.5),
+				subpicty+(ii->link->thumbnail.getHeight()*ii->linkScale*0.5));
+			ofPoint p4=ofPoint(
+				subpictx-(ii->link->thumbnail.getWidth()*ii->linkScale*0.5),
+				subpicty+(ii->link->thumbnail.getHeight()*ii->linkScale*0.5));
+
+			ofDrawLine(p1,p2);
+			ofDrawLine(p2,p3);
+			ofDrawLine(p3,p4);
+			ofDrawLine(p4,p1);
+
+
+		}
+		
+		
+		t_xoffs+=ii->thumbnail.getWidth()+(borderwidth*2)		;
+	}
+
+}
+
+bool chainImageSet::add(std::string filename,glm::vec2 pos){
+	printf("Dropped file: %s at %f,%f \n",filename.c_str(),pos.x,pos.y);
+/*
+attempt to add file to chain.
+find if file exists in data folder
+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
+		);
+
+		printf("Loaded file: %s at %f,%f \n",filename.c_str(),pos.x,pos.y);
+
+
+		images.push_back(image);
+		(*images.rbegin()).link=&(*images.begin());
+
+		printf("Linked: %s to %s\n",
+			images.rbegin()->filename.c_str(),
+			images.begin()->filename.c_str());
+
+
+		if (images.size()>1){
+			(++images.rbegin())->link=&(*(images.rbegin()));
+			printf("Linked: %s to %s\n",
+				(++images.rbegin())->filename.c_str(),
+				images.rbegin()->filename.c_str());
+		}
+		
+
+		
+		return true;
+	}
+	printf("Could not load file: %s \n",filename.c_str());
+
+	return false;
+}
+
+