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#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;
}
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