void print(int divx, int divy, int red, int green, int blue, Clip clip, int*** buffer) {
for(int i = 0; i < lines.size(); i++){
Line temp(
lines[i].getFirstPoint().getAxis(),
lines[i].getFirstPoint().getOrdinat(),
lines[i].getSecondPoint().getAxis(),
lines[i].getSecondPoint().getOrdinat()
);
bool print = clip.clipLine(temp);
if (print) temp.print(divx, divy, red, green, blue, buffer);
}
}
// TODO: make line dependent scan line
void scanLine(int red, int green, int blue, Clip clipBorder, int*** buffer) {
// make the scan line
int scanLineY = topLeft.getOrdinat(); // Represent Y = c
for(int scan = topLeft.getOrdinat(); scan < bottomRight.getOrdinat(); scan++){
// list of points
vector<Point> listOfIntersectPoints;
for(int i = 0; i < lines.size(); i++){
// First, check if the point intersect
int firstOrdinatPolygon = lines[i].getFirstPoint().getOrdinat();
int secondOrdinatPolygon = lines[i].getSecondPoint().getOrdinat();
if((scanLineY - firstOrdinatPolygon)*(scanLineY - secondOrdinatPolygon) <= 0){
// find the intersect
pair<float, float> tempEQ = lines[i].makeLine();
if(tempEQ.first == 0){
Point tempPoint(lines[i].getFirstPoint().getAxis(), scanLineY);
listOfIntersectPoints.push_back(tempPoint);
} else {
float x = (scanLineY - tempEQ.second) / tempEQ.first;
// float y = linearEQ.first * x + linearEQ.second;
Point tempPoint(x, scanLineY);
listOfIntersectPoints.push_back(tempPoint);
}
}
// check if it has a corner
for(int j = i + 1; j < lines.size(); j++){
if(isCorner(lines[i], lines[j], scanLineY)){
// add another point
pair<float, float> tempEQ = lines[i].makeLine();
if(tempEQ.first == 0){
Point tempPoint(lines[i].getFirstPoint().getAxis(), scanLineY);
listOfIntersectPoints.push_back(tempPoint);
} else {
float x = (scanLineY - tempEQ.second) / tempEQ.first;
Point tempPoint(x, scanLineY);
listOfIntersectPoints.push_back(tempPoint);
}
}
}
}
// sort the points
if(listOfIntersectPoints.size() != 0){
for(int i = 0; i < listOfIntersectPoints.size() - 1; i++) {
int smallest = i;
for(int j = i+1; j < listOfIntersectPoints.size(); j++){
if(listOfIntersectPoints[j].getAxis() < listOfIntersectPoints[smallest].getAxis()){
smallest = j;
}
}
Point temp(listOfIntersectPoints[smallest].getAxis(), listOfIntersectPoints[smallest].getOrdinat());
listOfIntersectPoints[smallest] = listOfIntersectPoints[i];
listOfIntersectPoints[i] = temp;
}
// only color if total point is more than one
if(listOfIntersectPoints.size() > 1){
// check if the count is odd
int count = (listOfIntersectPoints.size() % 2 == 1) ?
(listOfIntersectPoints.size() - 1) : listOfIntersectPoints.size();
for(int i = 0; i < count; i++) {
// don't color the border
listOfIntersectPoints[i].setAxis(listOfIntersectPoints[i].getAxis()+1);
listOfIntersectPoints[i+1].setAxis(listOfIntersectPoints[i+1].getAxis()-1);
Line line(listOfIntersectPoints[i], listOfIntersectPoints[i+1]);
//cout << "lama :" << line.getFirstPoint().getAxis() << " " << line.getSecondPoint().getOrdinat() << " ";
//if(scan == 501) cout << "yo nyampe" << endl;
bool print = clipBorder.clipLine(line);
//cout << "baru: " << line.getFirstPoint().getAxis() << " " << line.getSecondPoint().getOrdinat() << " ";
// if(scan == 501){
// cout << "sudah dapet print " << print << endl;
// cout << line.getFirstPoint().getAxis() << " " << line.getFirstPoint().getOrdinat() << " "
// << line.getSecondPoint().getAxis() << " " << line.getSecondPoint().getOrdinat() << endl;
// }
if(print)
line.print(0,0, red, green, blue, buffer);
i++;
//if(scan == 501) cout << "kelar" << endl;
}
}
}
scanLineY++;
}
}