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Replaced pixels with squares for control points, finished bezier_1

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This commit is contained in:
Dawid Pietrykowski 2022-12-04 12:44:32 +01:00
parent 2328815a55
commit c06312f7f0
2 changed files with 15 additions and 1 deletions
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15
QT/bezier_1/mywindow.cpp
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@ -74,6 +74,8 @@ void MyWindow::on_segmentSlider_valueChanged(int val)
segment_count = val; segment_count = val;
QString str(("Ilosc segmentow: " + std::to_string(segment_count)).c_str()); QString str(("Ilosc segmentow: " + std::to_string(segment_count)).c_str());
ui->segmentLabel->setText(str); ui->segmentLabel->setText(str);
DrawBezier();
update();
} }
@ -292,6 +294,17 @@ void MyWindow::DrawCircle(int x1, int y1, int x2, int y2){
} }
} }
void MyWindow::DrawSquare(int x, int y, int size, QColor color){
size /= 2;
for(int x1 = x - size; x1 < x + size; x1++){
for(int y1 = y - size; y1 < y + size; y1++){
if(x1 >= szer || y1 >= wys || x1 < 0 || y1 < 0)
continue;
DrawPixel(img, x1, y1, color);
}
}
}
void MyWindow::DrawEllipse(int x1, int y1, int x2, int y2){ void MyWindow::DrawEllipse(int x1, int y1, int x2, int y2){
if(x2 >= szer || y2 >= wys || x2 < 0 || y2 < 0) if(x2 >= szer || y2 >= wys || x2 < 0 || y2 < 0)
return; return;
@ -324,7 +337,7 @@ void MyWindow::DrawEllipse(int x1, int y1, int x2, int y2){
void MyWindow::DrawBezier(){ void MyWindow::DrawBezier(){
ClearImage(img); ClearImage(img);
for(int i = 0; i < bezier_points.size(); i+=1){ for(int i = 0; i < bezier_points.size(); i+=1){
DrawPixel(img, bezier_points[i].x, bezier_points[i].y); DrawSquare(bezier_points[i].x, bezier_points[i].y, 15, QColor(255, 0, 0));
} }
for(int i = 1; i < bezier_points.size(); i+=3){ for(int i = 1; i < bezier_points.size(); i+=3){
if(i + 2 >= bezier_points.size()) if(i + 2 >= bezier_points.size())

1
QT/bezier_1/mywindow.h
View File

@ -125,6 +125,7 @@ private:
void DrawLine(int x1, int y1, int x2, int y2, QImage *img); void DrawLine(int x1, int y1, int x2, int y2, QImage *img);
void DrawCircle(int x1, int y1, int x2, int y2); void DrawCircle(int x1, int y1, int x2, int y2);
void DrawEllipse(int x1, int y1, int x2, int y2); void DrawEllipse(int x1, int y1, int x2, int y2);
void DrawSquare(int x, int y, int size, QColor color = QColor(255,255,255));
void DrawBezier(); void DrawBezier();
void ClearImage(QImage *img); void ClearImage(QImage *img);
void UpdateTempImage(); void UpdateTempImage();