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-rw-r--r--muse2/muse/widgets/verticalmeter.cpp147
1 files changed, 106 insertions, 41 deletions
diff --git a/muse2/muse/widgets/verticalmeter.cpp b/muse2/muse/widgets/verticalmeter.cpp
index b0e0198f..74b4b695 100644
--- a/muse2/muse/widgets/verticalmeter.cpp
+++ b/muse2/muse/widgets/verticalmeter.cpp
@@ -31,6 +31,8 @@
#include "verticalmeter.h"
#include "gconfig.h"
#include "fastlog.h"
+#include "mmath.h"
+#include "utils.h"
namespace MusEWidget {
@@ -46,7 +48,8 @@ VerticalMeter::VerticalMeter(QWidget* parent, MeterType type)
setAttribute(Qt::WA_StaticContents);
// This is absolutely required for speed! Otherwise painfully slow because we get
// full rect paint events even on small scrolls! See help on QPainter::scroll().
- setAttribute(Qt::WA_OpaquePaintEvent);
+ // Commented out for now. Orcan 20110911
+ //setAttribute(Qt::WA_OpaquePaintEvent);
mtype = type;
overflow = false;
@@ -56,6 +59,9 @@ VerticalMeter::VerticalMeter(QWidget* parent, MeterType type)
maxScale = mtype == DBMeter ? 10.0 : 127.0;
yellowScale = -10;
redScale = 0;
+ xrad = 4;
+ yrad = 4;
+
setLineWidth(0);
setMidLineWidth(0);
}
@@ -124,23 +130,24 @@ void VerticalMeter::setRange(double min, double max)
// paintEvent
//---------------------------------------------------------
-void VerticalMeter::paintEvent(QPaintEvent* ev)
+void VerticalMeter::paintEvent(QPaintEvent* /*ev*/)
{
// TODO: Could make better use of event rectangle, for speed.
QPainter p(this);
+ p.setRenderHint(QPainter::Antialiasing);
double range = maxScale - minScale;
- /*
int fw = frameWidth();
int w = width() - 2*fw;
int h = height() - 2*fw;
- */
+ /*
QRect rect = ev->rect();
- int w = rect.width();
- int h = rect.height();
+ int w = rect.width() - 2*fw;
+ int h = rect.height() - 2*fw;
+ */
int xv;
@@ -157,18 +164,23 @@ void VerticalMeter::paintEvent(QPaintEvent* ev)
drawVU(p, w, h, xv);
// Draw the peak white line.
+ /*
int xcenter;
if(mtype == DBMeter)
xcenter = maxVal == 0 ? 0 : int(((maxScale - (fast_log10(0) * 20.0)) * w)/range);
else
- xcenter = maxVal == 0 ? 0 : int(((0) * w)/range);
+ xcenter = maxVal == 0 ? 0 : int(((maxVal) * w)/range);
p.setPen(peak_color);
p.drawLine(xcenter, 0, xcenter, h);
+ */
// Draw the transparent layer on top of everything to give a 3d look
+ QPainterPath round_path = roundedPath(0, 0, w, h,
+ xrad, yrad,
+ (MusEUtil::Corner) (MusEUtil::UpperLeft | MusEUtil::UpperRight | MusEUtil::LowerLeft | MusEUtil::LowerRight ) );
maskGrad.setStart(QPointF(0, 0));
maskGrad.setFinalStop(QPointF(0, h));
- p.fillRect(0, 0, w, h, QBrush(maskGrad));
+ p.fillPath(round_path, QBrush(maskGrad));
}
//---------------------------------------------------------
@@ -177,7 +189,7 @@ void VerticalMeter::paintEvent(QPaintEvent* ev)
void VerticalMeter::drawVU(QPainter& p, int w, int h, int xv)
{
- if(mtype == DBMeter)
+ if(mtype == DBMeter)
{
double range = maxScale - minScale;
int x1 = int((maxScale - redScale) * w / range);
@@ -197,44 +209,65 @@ void VerticalMeter::drawVU(QPainter& p, int w, int h, int xv)
lightGradRed.setStart(QPointF(0, 0));
lightGradRed.setFinalStop(QPointF(x1, 0));
+ QPainterPath p_left = roundedPath(0, 0, x1, h,
+ xrad, yrad,
+ (MusEUtil::Corner) (MusEUtil::UpperLeft | MusEUtil::LowerLeft ) );
+
+ QPainterPath p_right = roundedPath(x2, 0, w-x2, h,
+ xrad, yrad,
+ (MusEUtil::Corner) (MusEUtil::LowerRight | MusEUtil::UpperRight ) );
if(xv < x1)
{
- // Red section:
- p.fillRect(0, 0, xv, h, QBrush(darkGradRed)); // dark red
- p.fillRect(xv, 0, x1-xv, h, QBrush(lightGradRed)); // light red
-
+
+ QPainterPath p_light_green = roundedPath(0, 0, xv, h,
+ xrad, yrad,
+ (MusEUtil::Corner) (MusEUtil::UpperLeft | MusEUtil::LowerLeft ) );
+
+ p_left = p_left.subtracted(p_light_green);
+
+ // Green section:
+ p.fillPath(p_light_green, QBrush(lightGradGreen)); // light green
+ p.fillPath(p_left, QBrush(darkGradGreen)); // dark green
+
// Yellow section:
- p.fillRect(x1, 0, x2-x1, h, QBrush(lightGradYellow)); // light yellow
+ p.fillRect(x1, 0, x2-x1, h, QBrush(darkGradYellow)); // dark yellow
- // Green section:
- p.fillRect(x2, 0, w-x2, h, QBrush(lightGradGreen)); // light green
+ // Red section:
+ p.fillPath(p_right, QBrush(darkGradRed)); // dark red
}
else
if(xv < x2)
{
- // Red section:
- p.fillRect(0, 0, x1, h, QBrush(darkGradRed)); // dark red
+ // Green section:
+ p.fillPath(p_left, QBrush(lightGradGreen)); // light green
// Yellow section:
- p.fillRect(x1, 0, xv-x1, h, QBrush(darkGradYellow)); // dark yellow
- p.fillRect(xv, 0, x2-xv, h, QBrush(lightGradYellow)); // light yellow
+ p.fillRect(x1, 0, xv-x1, h, QBrush(lightGradYellow)); // light yellow
+ p.fillRect(xv, 0, x2-xv, h, QBrush(darkGradYellow)); // dark yellow
- // Green section:
- p.fillRect(x2, 0, w-x2, h, QBrush(lightGradGreen)); // light green
+ // Red section:
+ p.fillPath(p_right, QBrush(darkGradRed)); // dark red
}
else
- //if(yv <= y3)
+ //if(xv <= x3)
{
- // Red section:
- p.fillRect(0, 0, x1, h, QBrush(darkGradRed)); // dark red
+ QPainterPath p_dark_red = roundedPath(xv, 0, w-xv, h,
+ xrad, yrad,
+ (MusEUtil::Corner) (MusEUtil::LowerRight | MusEUtil::UpperRight ) );
+
+ p_right = p_right.subtracted(p_dark_red);
+
+ // Green section:
+ p.fillPath(p_left, QBrush(lightGradGreen)); // light green
// Yellow section:
- p.fillRect(x1, 0, x2-x1, h, QBrush(darkGradYellow)); // dark yellow
+ p.fillRect(x1, 0, x2-x1, h, QBrush(lightGradYellow)); // light yellow
- // Green section:
- p.fillRect(x2, 0, xv-x2, h, QBrush(darkGradGreen)); // dark green
- p.fillRect(xv, 0, w-xv, h, QBrush(lightGradGreen)); // light green
+ // Red section:
+ p.fillPath(p_right, QBrush(lightGradRed)); // light red
+ p.fillPath(p_dark_red, QBrush(darkGradRed)); // dark red
+
}
p.fillRect(x1,0, 1, h, separator_color);
@@ -249,8 +282,49 @@ void VerticalMeter::drawVU(QPainter& p, int w, int h, int xv)
lightGradGreen.setStart(QPointF(0, 0));
lightGradGreen.setFinalStop(QPointF(w, 0));
- p.fillRect(0, 0, xv, h, QBrush(lightGradGreen)); // light green
- p.fillRect(xv, 0, w-xv, h, QBrush(darkGradGreen)); // dark green
+ // We need to draw the meter in two parts. The cutoff for the left rectangle can be
+ // anywhere between xrad and w-xrad. Without loss of generality we pick the lower limit.
+ int cut = xrad;
+
+ QPainterPath p_left = roundedPath(0, 0, cut, h,
+ xrad, yrad,
+ (MusEUtil::Corner) (MusEUtil::UpperLeft | MusEUtil::LowerLeft ) );
+
+ QPainterPath p_right = roundedPath(cut, 0, w-cut, h,
+ xrad, yrad,
+ (MusEUtil::Corner) (MusEUtil::LowerRight | MusEUtil::UpperRight ) );
+
+ if(xv < cut)
+ {
+
+ QPainterPath p_light = roundedPath(0, 0, xv, h,
+ xrad, yrad,
+ (MusEUtil::Corner) (MusEUtil::UpperLeft | MusEUtil::LowerLeft ) );
+
+ p_left = p_left.subtracted(p_light);
+
+ // left section:
+ p.fillPath(p_left, QBrush(darkGradGreen)); // dark green
+ p.fillPath(p_light, QBrush(lightGradGreen)); // light green
+
+ // bottom section:
+ p.fillPath(p_right, QBrush(darkGradGreen)); // dark green
+ }
+ else
+ {
+ QPainterPath p_dark = roundedPath(xv, 0, w-xv, h,
+ xrad, yrad,
+ (MusEUtil::Corner) (MusEUtil::UpperRight | MusEUtil::LowerRight ) );
+ p_right = p_right.subtracted(p_dark);
+
+ // left section:
+ p.fillPath(p_left, QBrush(lightGradGreen)); // light green
+
+ // right section:
+ p.fillPath(p_dark, QBrush(darkGradGreen)); // dark green
+ p.fillPath(p_right, QBrush(lightGradGreen)); // light green
+ }
+
}
}
@@ -259,17 +333,8 @@ void VerticalMeter::drawVU(QPainter& p, int w, int h, int xv)
// resizeEvent
//---------------------------------------------------------
-void VerticalMeter::resizeEvent(QResizeEvent* ev)
+void VerticalMeter::resizeEvent(QResizeEvent* /*ev*/)
{
- // Round corners of the widget.
-
- QSize size = ev->size();
- int w = size.width();
- int h = size.height();
- QPainterPath rounded_rect;
- rounded_rect.addRoundedRect(0,0,w,h, h/3, h/2.5);
- QRegion maskregion(rounded_rect.toFillPolygon().toPolygon());
- setMask(maskregion);
}
} // namespace MusEWidget
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-21 14:03:51 +0000