selection partical update

Author: sulincix

src/DrawingWidget.cpp

@@ -428,20 +428,15 @@ static QPointF last_begin = QPointF(0,0);
 
 void DrawingWidget::selectionDraw(QPointF startPoint, QPointF endPoint) {
     image = imageBackup;
-    update();
     painter.begin(&image);
     painter.setPen(Qt::NoPen);
     penColor.setAlpha(127);
     painter.setBrush(QBrush(penColor));
     painter.drawRect(QRectF(startPoint,endPoint));
-
-    update(QRectF(
-        last_begin, last_end
-    ).toRect().normalized());
-    update(QRectF(
-        startPoint, endPoint
-    ).toRect().normalized());
     painter.end();
+    update(QRectF(last_begin, last_end).toRect().normalized().adjusted(-1, -1, +1, +1));
+    update(QRectF(startPoint, endPoint).toRect().normalized().adjusted(-1, -1, +1, +1));
+
     last_begin = startPoint;
     last_end = endPoint;
 }

src/Geometry.cpp

@@ -72,10 +72,8 @@ void DrawingWidget::drawLineToFunc(qint64 id, qreal pressure) {
     ++nextIt;
     QPainterPath path;
 
-    int size = values.size() % 100;
-    it = std::next(it, values.size() - size);
+    it = std::next(it, values.size() - values.size() % 100);
     nextIt = it;
-    printf("%d\n", size);
 
 
     switch(fpenStyle){

src/Selection.cpp

@@ -59,7 +59,6 @@ void DrawingWidget::createSelection() {
     painter.setCompositionMode(QPainter::CompositionMode_Clear);
     painter.setPen(Qt::NoPen);
     painter.drawRect(cropRect);
-    update();
     painter.end();
 
     //printf("%d %d\n", cropRect.width(), cropRect.height());
@@ -69,7 +68,6 @@ void DrawingWidget::createSelection() {
     cropWidget->move(topLeft);
     cropWidget->raise();
     cropWidget->show();
-
     update();
 }