m_aResetHz = new QAction(i18n("Reset maximum frequency to sampling rate"), this);
+ m_aGrid = new QAction(i18n("Draw grid"), this);
+ m_aGrid->setCheckable(true);
m_menu->addSeparator();
m_menu->addAction(m_aResetHz);
+ m_menu->addAction(m_aGrid);
m_menu->removeAction(m_aRealtime);
writeConfig();
delete m_aResetHz;
+ delete m_aGrid;
}
void Spectrogram::readConfig()
ui->windowSize->setCurrentIndex(scopeConfig.readEntry("windowSize", 0));
ui->windowFunction->setCurrentIndex(scopeConfig.readEntry("windowFunction", 0));
+ m_aGrid->setChecked(scopeConfig.readEntry("drawGrid", true));
m_dBmax = scopeConfig.readEntry("dBmax", 0);
m_dBmin = scopeConfig.readEntry("dBmin", -70);
m_freqMax = scopeConfig.readEntry("freqMax", 0);
scopeConfig.writeEntry("windowSize", ui->windowSize->currentIndex());
scopeConfig.writeEntry("windowFunction", ui->windowFunction->currentIndex());
+ scopeConfig.writeEntry("drawGrid", m_aGrid->isChecked());
scopeConfig.writeEntry("dBmax", m_dBmax);
scopeConfig.writeEntry("dBmin", m_dBmin);
const uint textDistY = 25;
const uint topDist = m_innerScopeRect.top() - m_scopeRect.top();
const uint leftDist = m_innerScopeRect.left() - m_scopeRect.left();
- const uint mouseX = m_mousePos.x() - m_innerScopeRect.left();
- const uint mouseY = m_mousePos.y() - m_innerScopeRect.top();
+ const int mouseX = m_mousePos.x() - m_innerScopeRect.left();
+ const int mouseY = m_mousePos.y() - m_innerScopeRect.top();
bool hideText;
QImage hud(m_scopeRect.size(), QImage::Format_ARGB32);
// Frame display
- for (int frameNumber = 0; frameNumber < m_innerScopeRect.height(); frameNumber += minDistY) {
- y = topDist + m_innerScopeRect.height()-1 - frameNumber;
- hideText = m_mouseWithinWidget && abs(y - mouseY) < textDistY && mouseY < m_innerScopeRect.height() && mouseX < m_innerScopeRect.width();
-
- davinci.drawLine(leftDist, y, leftDist + m_innerScopeRect.width()-1, y);
- if (!hideText) {
- davinci.drawText(leftDist + m_innerScopeRect.width() + textDistX, y + 6, QVariant(frameNumber).toString());
+ if (m_aGrid->isChecked()) {
+ for (int frameNumber = 0; frameNumber < m_innerScopeRect.height(); frameNumber += minDistY) {
+ y = topDist + m_innerScopeRect.height()-1 - frameNumber;
+ hideText = m_mouseWithinWidget && abs(y - mouseY) < (int)textDistY && mouseY < m_innerScopeRect.height() && mouseX < m_innerScopeRect.width();
+
+ davinci.drawLine(leftDist, y, leftDist + m_innerScopeRect.width()-1, y);
+ if (!hideText) {
+ davinci.drawText(leftDist + m_innerScopeRect.width() + textDistX, y + 6, QVariant(frameNumber).toString());
+ }
}
}
// Draw a line through the mouse position with the correct Frame number
if (y < 0) {
y = 0;
}
- if (y > topDist + m_innerScopeRect.height()-1 - 30) {
+ if (y > (int)topDist + m_innerScopeRect.height()-1 - 30) {
y = topDist + m_innerScopeRect.height()-1 - 30;
}
davinci.drawLine(x, topDist + mouseY, leftDist + m_innerScopeRect.width()-1, topDist + mouseY);
const int rightBorder = leftDist + m_innerScopeRect.width()-1;
x = 0;
y = topDist + m_innerScopeRect.height() + textDistY;
- for (uint hz = 0; x <= rightBorder; hz += hzDiff) {
- davinci.setPen(AbstractScopeWidget::penLight);
- x = leftDist + (m_innerScopeRect.width()-1) * ((float)hz)/m_freqMax;
+ if (m_aGrid->isChecked()) {
+ for (uint hz = 0; x <= rightBorder; hz += hzDiff) {
+ davinci.setPen(AbstractScopeWidget::penLight);
+ x = leftDist + (m_innerScopeRect.width()-1) * ((float)hz)/m_freqMax;
- // Hide text if it would overlap with the text drawn at the mouse position
- hideText = m_mouseWithinWidget && abs(x-(leftDist + mouseX + 18)) < minDistX && mouseX < m_innerScopeRect.width();
+ // Hide text if it would overlap with the text drawn at the mouse position
+ hideText = m_mouseWithinWidget && abs(x-(leftDist + mouseX + 20)) < (int) minDistX + 16 && mouseX < m_innerScopeRect.width();
- if (x <= rightBorder) {
- davinci.drawLine(x, topDist, x, topDist + m_innerScopeRect.height()+6);
- }
- if (x+textDistY < leftDist + m_innerScopeRect.width()) {
- // Only draw the text label if there is still enough room for the final one at the right.
- if (!hideText) {
- davinci.drawText(x-4, y, QVariant(hz/1000).toString());
+ if (x <= rightBorder) {
+ davinci.drawLine(x, topDist, x, topDist + m_innerScopeRect.height()+6);
+ }
+ if (x+textDistY < leftDist + m_innerScopeRect.width()) {
+ // Only draw the text label if there is still enough room for the final one at the right.
+ if (!hideText) {
+ davinci.drawText(x-4, y, QVariant(hz/1000).toString());
+ }
}
- }
- if (hz > 0) {
- // Draw finer lines between the main lines
- davinci.setPen(AbstractScopeWidget::penLightDots);
- for (uint dHz = 3; dHz > 0; dHz--) {
- x = leftDist + m_innerScopeRect.width() * ((float)hz - dHz * hzDiff/4.0f)/m_freqMax;
- if (x > rightBorder) {
- break;
+ if (hz > 0) {
+ // Draw finer lines between the main lines
+ davinci.setPen(AbstractScopeWidget::penLightDots);
+ for (uint dHz = 3; dHz > 0; dHz--) {
+ x = leftDist + m_innerScopeRect.width() * ((float)hz - dHz * hzDiff/4.0f)/m_freqMax;
+ if (x > rightBorder) {
+ break;
+ }
+ davinci.drawLine(x, topDist, x, topDist + m_innerScopeRect.height()-1);
}
- davinci.drawLine(x, topDist, x, topDist + m_innerScopeRect.height()-1);
}
}
- }
- // Draw the line at the very right (maximum frequency)
- x = leftDist + m_innerScopeRect.width()-1;
- hideText = m_mouseWithinWidget && abs(x-(leftDist + mouseX + 24)) < minDistX && mouseX < m_innerScopeRect.width();
- davinci.drawLine(x, topDist, x, topDist + m_innerScopeRect.height()+6);
- if (!hideText) {
- davinci.drawText(x-10, y, i18n("%1 kHz").arg((double)m_freqMax/1000, 0, 'f', 1));
+ // Draw the line at the very right (maximum frequency)
+ x = leftDist + m_innerScopeRect.width()-1;
+ hideText = m_mouseWithinWidget && abs(x-(leftDist + mouseX + 30)) < (int) minDistX && mouseX < m_innerScopeRect.width();
+ davinci.drawLine(x, topDist, x, topDist + m_innerScopeRect.height()+6);
+ if (!hideText) {
+ davinci.drawText(x-10, y, i18n("%1 kHz").arg((double)m_freqMax/1000, 0, 'f', 1));
+ }
}
// Draw a line through the mouse position with the correct frequency label
davinci.setPen(AbstractScopeWidget::penThin);
x = leftDist + mouseX;
davinci.drawLine(x, topDist, x, topDist + m_innerScopeRect.height()+6);
- davinci.drawText(x-10, y, i18n("%1 kHz").arg((double)(m_mousePos.x()-m_innerScopeRect.left())/m_innerScopeRect.width() * m_freqMax/1000, 0, 'f', 1));
+ davinci.drawText(x-10, y, i18n("%1 kHz")
+ .arg((double)(m_mousePos.x()-m_innerScopeRect.left())/m_innerScopeRect.width() * m_freqMax/1000, 0, 'f', 2));
}
// Draw the dB brightness scale
float val;
davinci.setPen(AbstractScopeWidget::penLighter);
- for (y = topDist; y < topDist + m_innerScopeRect.height(); y++) {
+ for (y = topDist; y < (int)topDist + m_innerScopeRect.height(); y++) {
val = 1-((float)y-topDist)/(m_innerScopeRect.height()-1);
int col = qRgba(255, 255, 255, 255.0 * val);
- for (x = leftDist-6; x >= leftDist-13; x--) {
+ for (x = leftDist-6; x >= (int)leftDist-13; x--) {
hud.setPixel(x, y, col);
}
}