-#include <QPainter>
-
#include "lrameter.h"
+
+#include <QPainter>
+#include <QPalette>
+#include <QPen>
#include "vu_common.h"
+class QPaintEvent;
+
using namespace std;
LRAMeter::LRAMeter(QWidget *parent)
{
}
+void LRAMeter::resizeEvent(QResizeEvent *event)
+{
+ const int margin = 5;
+
+ on_pixmap = QPixmap(width(), height());
+ QPainter on_painter(&on_pixmap);
+ on_painter.fillRect(0, 0, width(), height(), parentWidget()->palette().window());
+ draw_vu_meter(on_painter, -HUGE_VAL, HUGE_VAL, width(), height(), margin);
+
+ off_pixmap = QPixmap(width(), height());
+ QPainter off_painter(&off_pixmap);
+ off_painter.fillRect(0, 0, width(), height(), parentWidget()->palette().window());
+ draw_vu_meter(off_painter, -HUGE_VAL, -HUGE_VAL, width(), height(), margin);
+}
+
void LRAMeter::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
- painter.fillRect(0, 0, width(), height(), parentWidget()->palette().window());
-
float level_lufs;
float range_low_lufs;
float range_high_lufs;
float level_lu = level_lufs + 23.0f;
float range_low_lu = range_low_lufs + 23.0f;
float range_high_lu = range_high_lufs + 23.0f;
- const int margin = 5;
- draw_vu_meter(painter, range_low_lu, range_high_lu, width(), height(), margin);
+ int range_low_pos = lufs_to_pos(range_low_lu, height());
+ int range_high_pos = lufs_to_pos(range_high_lu, height());
+
+ QRect top_off_rect(0, 0, width(), range_high_pos);
+ QRect on_rect(0, range_high_pos, width(), range_low_pos - range_high_pos);
+ QRect bottom_off_rect(0, range_low_pos, width(), height() - range_low_pos);
+
+ painter.drawPixmap(top_off_rect, off_pixmap, top_off_rect);
+ painter.drawPixmap(on_rect, on_pixmap, on_rect);
+ painter.drawPixmap(bottom_off_rect, off_pixmap, bottom_off_rect);
// Draw the target area (+/-1 LU is allowed EBU range).
// It turns green when we're within.