C:/CCV/1.4/addons/ofxNCore/src/Templates/TemplateUtils.cpp

Go to the documentation of this file.

#include "TemplateUtils.h"

//Adds template data to the vector
void TemplateUtils::addTemplate(ofRectangle rect,ofRectangle minRect, ofRectangle maxRect,float scaleX=1.0f ,float scaleY=1.0f) 
{
        if(templates.size() < MAX_NUM_TEMPLATES)
        {
                Template temp = Template();
                temp.width = rect.width * scaleX;
                temp.height = rect.height * scaleY;
                temp.maxWidth = maxRect.width * scaleX;
                temp.maxHeight = maxRect.height * scaleY;
                temp.minWidth = minRect.width * scaleX;
                temp.minHeight = minRect.height * scaleY;
                temp.id = getId();
                temp.trueId = 0;
        
                templates.push_back(temp);
                printf("Template added. Number of templates = %d\n",templates.size());
        }
}

//Loads the XML file from templates.xml file. This returns false if the file does not exist
bool TemplateUtils::loadTemplateXml()
{
        if( XML.loadFile("templates.xml") )
        {
                templates.clear();
                int numTags=XML.getNumTags("TEMPLATE");
                if( numTags > 0 )
                {
                        int total = MIN(numTags,MAX_NUM_TEMPLATES);
                        ;
                        for(int i=0; i < total; i++)
                        {
                                float width =(float) XML.getValue("TEMPLATE:WIDTH",0,i);
                                float height =(float)XML.getValue("TEMPLATE:HEIGHT",0,i);
                                float minWidth =(float)  XML.getValue("TEMPLATE:MINWIDTH",0,i);
                                float minHeight = (float) XML.getValue("TEMPLATE:MINHEIGHT",0,i);
                                float maxWidth = (float) XML.getValue("TEMPLATE:MAXWIDTH",0,i);
                                float maxHeight =(float) XML.getValue("TEMPLATE:MAXHEIGHT",0,i);
                                int     trueId = XML.getValue("TEMPLATE:TRUEID",0,i);
                                int id;
                                if(trueId)
                                {
                                        id = XML.getValue("TEMPLATE:ID",0,i);
                                        assignedIds.push_back(id);
                                }
                                else
                                {
                                        id = getId();
                                }

                                if(width !=0 && height != 0 && minWidth != 0 && minHeight != 0 && maxWidth != 0 && maxHeight != 0)
                                {//Only then add a template

                                        Template temp = Template();
                                        temp.width = width;
                                        temp.height = height;
                                        temp.maxWidth = maxWidth;
                                        temp.maxHeight = maxHeight;
                                        temp.minWidth = minWidth;
                                        temp.minHeight = minHeight;
                                        temp.trueId = trueId;
                                        temp.id = id;

                                        templates.push_back(temp);
                                }
                        }
                        isLoaded = true;// <- This is inside the if statement so that if the file exists but no xml data in it,this will still be false
                }
                return true;
        }
        else
        {
                printf("\nTemplates.xml could not be loaded. Make sure it is there in data folder\n");
                templates.clear();
                return false;
        }
}

//Saves into XML file from the template vector.
void TemplateUtils::saveTemplateXml()
{
        XML.clear();

        for(int i = 0 ; i < templates.size() ; i++ )
        {
                int tagNum=XML.addTag("TEMPLATE");

                XML.setValue("TEMPLATE:WIDTH",templates[i].width,tagNum);
                XML.setValue("TEMPLATE:HEIGHT",templates[i].height,tagNum);
                XML.setValue("TEMPLATE:MINWIDTH",templates[i].minWidth,tagNum);
                XML.setValue("TEMPLATE:MINHEIGHT",templates[i].minHeight,tagNum);
                XML.setValue("TEMPLATE:MAXWIDTH",templates[i].maxWidth,tagNum);
                XML.setValue("TEMPLATE:MAXHEIGHT",templates[i].maxHeight,tagNum);
                XML.setValue("TEMPLATE:TRUEID",templates[i].trueId,tagNum);
                XML.setValue("TEMPLATE:ID",templates[i].id,tagNum);
                
                XML.popTag();   
        }
        XML.saveFile("templates.xml");
        printf("Template is saved\n");
}


// Better funtion to be implemented
int TemplateUtils::getTemplateId(float width,float height)
{
        int id = -1;
        if(templates.size()==0)
        {
                return -1;
        }
        for(int i = 0 ; i < templates.size() ; i++ )
        {
                if(width < templates[i].maxWidth && width > templates[i].minWidth && height < templates[i].maxHeight && height > templates[i].minHeight)
                {
                        return templates[i].id;
                }
        }
        return id;
}