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OpenBoard/thirdparty/mera/pdf-merger/Rectangle.cpp

125 lines
3.9 KiB

#include "Rectangle.h"
#include "Utils.h"
#include "Object.h"
#include "Parser.h"
#include <iostream>
using namespace merge_lib;
Rectangle::Rectangle(const char * rectangleName):
_rectangleName(rectangleName),
x1(0),
y1(0),
x2(0),
y2(0),
_tm()
{}
Rectangle::Rectangle(const char * rectangleName, const std::string content):
_rectangleName(rectangleName),
x1(0),
y1(0),
x2(0),
y2(0)
{
unsigned int rectanglePosition = Parser::findToken(content,rectangleName);
if( rectanglePosition == std::string::npos )
{
std::cerr<<"Unable to find rectangle name "<<rectangleName<<" in content\n";
}
size_t beg = content.find("[",rectanglePosition);
size_t end = content.find("]",rectanglePosition);
if( beg != std::string::npos && end != std::string::npos )
{
std::string arr = content.substr(beg+1,end-beg-1);
std::stringstream in;
in<<arr;
in>>x1>>y1>>x2>>y2;
}
}
void Rectangle::appendRectangleToString(std::string & content, const char * delimeter)
{
content.append(_getRectangleAsString(delimeter));
}
const std::string Rectangle::_getRectangleAsString(const char * delimeter)
{
std::string result(_rectangleName);
result.append(" [");
result.append(Utils::doubleToStr(x1));
result.append(delimeter);
result.append(Utils::doubleToStr(y1));
result.append(delimeter);
result.append(Utils::doubleToStr(x2));
result.append(delimeter);
result.append(Utils::doubleToStr(y2));
result.append(" ]\n");
return result;
}
void Rectangle::setNewRectangleName(const char * newName)
{
_rectangleName = newName;
}
void Rectangle::recalculateInternalRectangleCoordinates(const PageTransformations & transformations)
{
TransformationMatrix tempTm;
for(size_t i = 0; i < transformations.size(); ++i)
{
tempTm = transformations[i]->getMatrix();
tempTm.add(_tm);
_tm = tempTm;
}
_tm.recalculateCoordinates(x1, y1);
_tm.recalculateCoordinates(x2, y2);
}
void Rectangle::updateRectangle(Object * objectWithRectangle, const char * delimeter)
{
Object * foundObjectWithRectangle;
unsigned int fake;
objectWithRectangle->findObject(std::string(_rectangleName), foundObjectWithRectangle, fake);
std::string objectContent = foundObjectWithRectangle->getObjectContent();
unsigned int rectanglePosition = objectContent.find(_rectangleName);
unsigned int endOfRectangle = objectContent.find("]", rectanglePosition) + 1;
foundObjectWithRectangle->eraseContent(rectanglePosition, endOfRectangle - rectanglePosition);
foundObjectWithRectangle->insertToContent(rectanglePosition, _getRectangleAsString(delimeter));
// reread the objectContent, since it was changed just above;
objectContent = foundObjectWithRectangle->getObjectContent();
//update matrix
unsigned int startOfAP = Parser::findToken(objectContent,"/AP");
unsigned int endOfAP = objectContent.find(">>", startOfAP);
std::vector<Object *> aps = foundObjectWithRectangle->getChildrenByBounds(startOfAP, endOfAP);
for(size_t i = 0; i < aps.size(); ++i)
{
Object * objectWithMatrix = aps[i];
std::string objectContent = objectWithMatrix->getObjectContent();
unsigned int matrixPosition = Parser::findToken(objectContent,"/Matrix");
if(matrixPosition == std::string::npos)
continue;
unsigned int matrixValueLeftBound = objectContent.find("[", matrixPosition);
unsigned int matrixValueRightBound = objectContent.find("]", matrixValueLeftBound) + 1;
objectWithMatrix->eraseContent(matrixValueLeftBound, matrixValueRightBound - matrixValueLeftBound);
objectWithMatrix->insertToContent(matrixValueLeftBound, _tm.getValue());
}
}
double Rectangle::getWidth()
{
return x2 - x1;
}
double Rectangle::getHeight()
{
return y2 - y1;
}