Initial work moving ruler into the pv::view::Ruler widget

[pulseview.git] / pv / view / viewport.cpp

diff --git a/pv/view/viewport.cpp b/pv/view/viewport.cpp
index ee30965d603e12ee29994c49855ad71188977600..b437175f75fa89b0adc9f325d6f43ad98a4b30c9 100644 (file)
--- a/pv/view/viewport.cpp
+++ b/pv/view/viewport.cpp
@@ -24,12 +24,7 @@
 #include "../../sigsession.h"
 #include "../../signal.h"
 
-#include "../../extdef.h"
-
 #include <QMouseEvent>
-#include <QTextStream>
-
-#include <math.h>
 
 #include <boost/foreach.hpp>
 
@@ -39,13 +34,6 @@ using namespace std;
 namespace pv {
 namespace view {
 
-const int Viewport::MinorTickSubdivision = 4;
-const int Viewport::ScaleUnits[3] = {1, 2, 5};
-
-const QString Viewport::SIPrefixes[9] =
-       {"f", "p", "n", QChar(0x03BC), "m", "", "k", "M", "G"};
-const int Viewport::FirstSIPrefixPower = -15;
-
 Viewport::Viewport(View &parent) :
        QGLWidget(&parent),
         _view(parent)
@@ -95,7 +83,7 @@ void Viewport::paintEvent(QPaintEvent *event)
        // Plot the signal
        glEnable(GL_SCISSOR_TEST);
        glScissor(0, 0, width(), height());
-       offset = View::RulerHeight - _view.v_offset();
+       offset = -_view.v_offset();
        BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
        {
                assert(s);
@@ -115,11 +103,6 @@ void Viewport::paintEvent(QPaintEvent *event)
        glPopMatrix();
 
        QPainter painter(this);
-       painter.setRenderHint(QPainter::Antialiasing);
-
-       // Paint the ruler
-       paint_ruler(painter);
-
        painter.end();
 }
 
@@ -164,71 +147,5 @@ void Viewport::setup_viewport(int width, int height)
        glMatrixMode(GL_MODELVIEW);
 }
 
-void Viewport::paint_ruler(QPainter &p)
-{
-       const double MinSpacing = 80;
-
-       const double min_period = _view.scale() * MinSpacing;
-
-       const int order = (int)floorf(log10f(min_period));
-       const double order_decimal = pow(10, order);
-
-       int unit = 0;
-       double tick_period = 0.0f;
-
-       do
-       {
-               tick_period = order_decimal * ScaleUnits[unit++];
-       } while(tick_period < min_period && unit < countof(ScaleUnits));
-
-       const int prefix = (order - FirstSIPrefixPower) / 3;
-       assert(prefix >= 0);
-       assert(prefix < countof(SIPrefixes));
-
-       const int text_height = p.boundingRect(0, 0, INT_MAX, INT_MAX,
-               Qt::AlignLeft | Qt::AlignTop, "8").height();
-
-       // Draw the tick marks
-       p.setPen(Qt::black);
-
-       const double minor_tick_period = tick_period / MinorTickSubdivision;
-       const double first_major_division =
-               floor(_view.offset() / tick_period);
-       const double first_minor_division =
-               ceil(_view.offset() / minor_tick_period);
-       const double t0 = first_major_division * tick_period;
-
-       int division = (int)round(first_minor_division -
-               first_major_division * MinorTickSubdivision);
-       while(1)
-       {
-               const double t = t0 + division * minor_tick_period;
-               const double x = (t - _view.offset()) / _view.scale();
-
-               if(x >= width())
-                       break;
-
-               if(division % MinorTickSubdivision == 0)
-               {
-                       // Draw a major tick
-                       QString s;
-                       QTextStream ts(&s);
-                       ts << (t / order_decimal) << SIPrefixes[prefix] << "s";
-                       p.drawText(x, 0, 0, text_height, Qt::AlignCenter | Qt::AlignTop |
-                               Qt::TextDontClip, s);
-                       p.drawLine(x, text_height, x, View::RulerHeight);
-               }
-               else
-               {
-                       // Draw a minor tick
-                       p.drawLine(x,
-                               (text_height + View::RulerHeight) / 2, x,
-                               View::RulerHeight);
-               }
-
-               division++;
-       }
-}
-
 } // namespace view
 } // namespace pv