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make grid function linux friendly

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This commit is contained in:
adam@algroup.co.uk 2009-07-21 16:10:58 +00:00
parent ebd7aaf9e7
commit f4434ad226
6 changed files with 29 additions and 13 deletions
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26
linux/proxguiqt.cpp
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@ -86,7 +86,7 @@ ProxGuiQT::~ProxGuiQT(void)
void ProxWidget::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
QPainterPath penPath, whitePath, greyPath, cursorAPath, cursorBPath;
QPainterPath penPath, whitePath, greyPath, lightgreyPath, cursorAPath, cursorBPath;
QRect r;
QBrush brush(QColor(100, 255, 100));
QPen pen(QColor(100, 255, 100));
@ -115,6 +115,29 @@ void ProxWidget::paintEvent(QPaintEvent *event)
greyPath.lineTo(r.right(), zeroHeight);
painter.setPen(QColor(100, 100, 100));
painter.drawPath(greyPath);
// plot X and Y grid lines
int i;
if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
for(i = GraphStart; i < r.right(); i += (int)(PlotGridX * GraphPixelsPerPoint)) {
//SelectObject(hdc, GreyPenLite);
//MoveToEx(hdc, r.left + i, r.top, NULL);
//LineTo(hdc, r.left + i, r.bottom);
lightgreyPath.moveTo(r.left()+i,r.top());
lightgreyPath.lineTo(r.left()+i,r.bottom());
painter.drawPath(lightgreyPath);
}
}
if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){
for(i = 0; i < ((r.top() + r.bottom())>>1); i += (int)(PlotGridY * GraphPixelsPerPoint)) {
lightgreyPath.moveTo(r.left(),zeroHeight + i);
lightgreyPath.lineTo(r.right(),zeroHeight + i);
painter.drawPath(lightgreyPath);
lightgreyPath.moveTo(r.left(),zeroHeight - i);
lightgreyPath.lineTo(r.right(),zeroHeight - i);
painter.drawPath(lightgreyPath);
}
}
int startMax =
(GraphTraceLen - (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint));
@ -127,7 +150,6 @@ void ProxWidget::paintEvent(QPaintEvent *event)
int absYMax = 1;
int i;
for(i = GraphStart; ; i++) {
if(i >= GraphTraceLen) {
break;