X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=vumeter.cpp;h=c7f8df467ab3681900205d35fdedbfe115846fbc;hb=92246b3e7e2d914a0549bbc7f90dd07ff3fd103a;hp=ab40fceff699ec13df3f3db1c86eefdbd73ed3bf;hpb=fdd77c1f8a51f1e87151b876c2c5ab536a2fb02d;p=nageru

diff --git a/vumeter.cpp b/vumeter.cpp
index ab40fce..c7f8df4 100644
--- a/vumeter.cpp
+++ b/vumeter.cpp
@@ -10,6 +10,11 @@ VUMeter::VUMeter(QWidget *parent)
 {
 }
 
+void VUMeter::resizeEvent(QResizeEvent *event)
+{
+	recalculate_pixmaps();
+}
+
 void VUMeter::paintEvent(QPaintEvent *event)
 {
 	QPainter painter(this);
@@ -20,6 +25,22 @@ void VUMeter::paintEvent(QPaintEvent *event)
 		level_lufs = this->level_lufs;
 	}
 
-	float level_lu = level_lufs + 23.0f;
-	draw_vu_meter(painter, -HUGE_VAL, level_lu, width(), height(), 0);
+	float level_lu = level_lufs - ref_level_lufs;
+	int on_pos = lrint(lufs_to_pos(level_lu, height()));
+	QRect off_rect(0, 0, width(), on_pos);
+	QRect on_rect(0, on_pos, width(), height() - on_pos);
+
+	painter.drawPixmap(off_rect, off_pixmap, off_rect);
+	painter.drawPixmap(on_rect, on_pixmap, on_rect);
+}
+
+void VUMeter::recalculate_pixmaps()
+{
+	on_pixmap = QPixmap(width(), height());
+	QPainter on_painter(&on_pixmap);
+	draw_vu_meter(on_painter, width(), height(), 0, true, min_level, max_level);
+
+	off_pixmap = QPixmap(width(), height());
+	QPainter off_painter(&off_pixmap);
+	draw_vu_meter(off_painter, width(), height(), 0, false, min_level, max_level);
 }