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sdrangel/sdrgui/gui/glscope.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 F4EXB //
// written by Edouard Griffiths //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include <QFontDatabase>
#include <QMouseEvent>
#include <QOpenGLContext>
#include <QOpenGLFunctions>
#include <QPainter>
#include <QSurface>
#include <algorithm>
#include "glscope.h"
const GLfloat GLScope::m_q3RadiiConst[] = {
0.0f, 0.5f, 1.0f, 0.5f, // 0
0.0f, 0.75f, 1.0f, 0.25f, // 30
0.0f, 1.0f, 1.0f, 0.0f, // 45
0.25f, 1.0f, 0.75f, 0.0f, // 60
0.5f, 1.0f, 0.5f, 0.0f, // 90
0.75f, 1.0f, 0.25f, 0.0f, // 120
1.0f, 1.0f, 0.0f, 0.0f, // 135
1.0f, 0.75f, 0.0f, 0.25f // 150
};
GLScope::GLScope(QWidget *parent) : QGLWidget(parent),
m_tracesData(nullptr),
m_traces(nullptr),
m_projectionTypes(nullptr),
m_processingTraceIndex(-1),
m_bufferIndex(0),
m_displayMode(DisplayX),
m_displayPolGrid(false),
m_dataChanged(0),
m_configChanged(false),
m_sampleRate(0),
m_timeOfsProMill(0),
m_triggerPre(0),
m_traceSize(0),
m_traceModulo(0),
m_timeBase(1),
m_timeOffset(0),
m_focusedTraceIndex(0),
m_displayGridIntensity(10),
m_displayTraceIntensity(50),
m_displayXYPoints(false)
{
setAttribute(Qt::WA_OpaquePaintEvent);
connect(&m_timer, SIGNAL(timeout()), this, SLOT(tick()));
m_timer.start(50);
m_y1Scale.setFont(font());
m_y1Scale.setOrientation(Qt::Vertical);
m_y2Scale.setFont(font());
m_y2Scale.setOrientation(Qt::Vertical);
m_x1Scale.setFont(font());
m_x1Scale.setOrientation(Qt::Horizontal);
m_x2Scale.setFont(font());
m_x2Scale.setOrientation(Qt::Horizontal);
m_channelOverlayFont = QFontDatabase::systemFont(QFontDatabase::FixedFont);
m_channelOverlayFont.setBold(true);
m_channelOverlayFont.setPointSize(font().pointSize() + 1);
m_textOverlayFont = font(); // QFontDatabase::systemFont(QFontDatabase::FixedFont);
m_textOverlayFont.setBold(true);
// m_textOverlayFont.setPointSize(font().pointSize() - 1);
m_q3Radii.allocate(4*8);
std::copy(m_q3RadiiConst, m_q3RadiiConst + 4*8, m_q3Radii.m_array);
m_q3Circle.allocate(4*96); // 96 segments = 4*24 with 1/24 being 15 degrees
drawCircle(0.5f, 0.5f, 0.5f, 96, false, m_q3Circle.m_array);
//m_traceCounter = 0;
}
GLScope::~GLScope()
{
}
void GLScope::setDisplayGridIntensity(int intensity)
{
m_displayGridIntensity = intensity;
if (m_displayGridIntensity > 100) {
m_displayGridIntensity = 100;
} else if (m_displayGridIntensity < 0) {
m_displayGridIntensity = 0;
}
update();
}
void GLScope::setDisplayTraceIntensity(int intensity)
{
m_displayTraceIntensity = intensity;
if (m_displayTraceIntensity > 100) {
m_displayTraceIntensity = 100;
} else if (m_displayTraceIntensity < 0) {
m_displayTraceIntensity = 0;
}
update();
}
void GLScope::setTraces(std::vector<ScopeVis::TraceData> *tracesData, std::vector<float *> *traces)
{
m_tracesData = tracesData;
m_traces = traces;
}
void GLScope::newTraces(std::vector<float *> *traces, int traceIndex, std::vector<Projector::ProjectionType> *projectionTypes)
{
if (traces->size() > 0)
{
if (!m_mutex.tryLock(0)) {
return;
}
if (m_dataChanged.testAndSetOrdered(0, 1))
{
m_processingTraceIndex.store(traceIndex);
m_traces = &traces[traceIndex];
m_projectionTypes = projectionTypes;
}
m_mutex.unlock();
}
}
void GLScope::initializeGL()
{
QOpenGLContext *glCurrentContext = QOpenGLContext::currentContext();
if (glCurrentContext)
{
if (QOpenGLContext::currentContext()->isValid())
{
qDebug() << "GLScope::initializeGL: context:"
<< " major: " << (QOpenGLContext::currentContext()->format()).majorVersion()
<< " minor: " << (QOpenGLContext::currentContext()->format()).minorVersion()
<< " ES: " << (QOpenGLContext::currentContext()->isOpenGLES() ? "yes" : "no");
}
else
{
qDebug() << "GLScope::initializeGL: current context is invalid";
}
}
else
{
qCritical() << "GLScope::initializeGL: no current context";
return;
}
QSurface *surface = glCurrentContext->surface();
if (surface == 0)
{
qCritical() << "GLScope::initializeGL: no surface attached";
return;
}
else
{
if (surface->surfaceType() != QSurface::OpenGLSurface)
{
qCritical() << "GLScope::initializeGL: surface is not an OpenGLSurface: " << surface->surfaceType()
<< " cannot use an OpenGL context";
return;
}
else
{
qDebug() << "GLScope::initializeGL: OpenGL surface:"
<< " class: " << (surface->surfaceClass() == QSurface::Window ? "Window" : "Offscreen");
}
}
connect(glCurrentContext, &QOpenGLContext::aboutToBeDestroyed, this, &GLScope::cleanup); // TODO: when migrating to QOpenGLWidget
QOpenGLFunctions *glFunctions = QOpenGLContext::currentContext()->functions();
glFunctions->initializeOpenGLFunctions();
//glDisable(GL_DEPTH_TEST);
m_glShaderSimple.initializeGL();
m_glShaderColors.initializeGL();
m_glShaderLeft1Scale.initializeGL();
m_glShaderBottom1Scale.initializeGL();
m_glShaderLeft2Scale.initializeGL();
m_glShaderBottom2Scale.initializeGL();
m_glShaderPowerOverlay.initializeGL();
m_glShaderTextOverlay.initializeGL();
}
void GLScope::resizeGL(int width, int height)
{
QMutexLocker mutexLocker(&m_mutex);
QOpenGLFunctions *glFunctions = QOpenGLContext::currentContext()->functions();
glFunctions->glViewport(0, 0, width, height);
m_configChanged = true;
}
void GLScope::paintGL()
{
if (!m_mutex.tryLock(2)) {
return;
}
if (m_configChanged)
{
applyConfig();
m_configChanged = false;
}
// qDebug("GLScope::paintGL: m_traceCounter: %d", m_traceCounter);
// m_traceCounter = 0;
QOpenGLFunctions *glFunctions = QOpenGLContext::currentContext()->functions();
glFunctions->glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glFunctions->glClear(GL_COLOR_BUFFER_BIT);
if ((m_displayMode == DisplayX) || (m_displayMode == DisplayXYV) || (m_displayMode == DisplayXYH)) // display trace #0
{
// draw rect around
{
GLfloat q3[]{
1, 1,
0, 1,
0, 0,
1, 0};
QVector4D color(1.0f, 1.0f, 1.0f, 0.5f);
m_glShaderSimple.drawContour(m_glScopeMatrix1, color, q3, 4);
}
// paint grid
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
// Y1 (X trace or trace #0)
{
tickList = &m_y1Scale.getTickList();
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickY1.m_array;
int effectiveTicks = 0;
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0))
{
float y = 1 - (tick->pos / m_y1Scale.getSize());
q3[4 * effectiveTicks] = 0;
q3[4 * effectiveTicks + 1] = y;
q3[4 * effectiveTicks + 2] = 1;
q3[4 * effectiveTicks + 3] = y;
effectiveTicks++;
}
}
float blue = 1.0f;
QVector4D color(1.0f, 1.0f, blue, (float)m_displayGridIntensity / 100.0f);
m_glShaderSimple.drawSegments(m_glScopeMatrix1, color, q3, 2 * effectiveTicks);
}
// X1 (time)
{
tickList = &m_x1Scale.getTickList();
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickX1.m_array;
int effectiveTicks = 0;
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0))
{
float x = tick->pos / m_x1Scale.getSize();
q3[4 * effectiveTicks] = x;
q3[4 * effectiveTicks + 1] = 0;
q3[4 * effectiveTicks + 2] = x;
q3[4 * effectiveTicks + 3] = 1;
effectiveTicks++;
}
}
QVector4D color(1.0f, 1.0f, 1.0f, (float)m_displayGridIntensity / 100.0f);
m_glShaderSimple.drawSegments(m_glScopeMatrix1, color, q3, 2 * effectiveTicks);
}
// paint left #1 scale
{
GLfloat vtx1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
GLfloat tex1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
m_glShaderLeft1Scale.drawSurface(m_glLeft1ScaleMatrix, tex1, vtx1, 4);
}
// paint bottom #1 scale
{
GLfloat vtx1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
GLfloat tex1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
m_glShaderBottom1Scale.drawSurface(m_glBot1ScaleMatrix, tex1, vtx1, 4);
}
// paint trace #1
if (m_traceSize > 0)
{
const float *trace = (*m_traces)[0];
const ScopeVis::TraceData &traceData = (*m_tracesData)[0];
if (traceData.m_viewTrace)
{
int start = (m_timeOfsProMill / 1000.0) * m_traceSize;
int end = std::min(start + m_traceSize / m_timeBase, m_traceSize);
if (end - start < 2) {
start--;
}
float rectX = m_glScopeRect1.x();
float rectY = m_glScopeRect1.y() + m_glScopeRect1.height() / 2.0f;
float rectW = m_glScopeRect1.width() * (float)m_timeBase / (float)(m_traceSize - 1);
//float rectH = -(m_glScopeRect1.height() / 2.0f) * traceData.m_amp;
float rectH = -m_glScopeRect1.height() / 2.0f;
//QVector4D color(1.0f, 1.0f, 0.25f, m_displayTraceIntensity / 100.0f);
QVector4D color(traceData.m_traceColorR, traceData.m_traceColorG, traceData.m_traceColorB, m_displayTraceIntensity / 100.0f);
QMatrix4x4 mat;
mat.setToIdentity();
mat.translate(-1.0f + 2.0f * rectX, 1.0f - 2.0f * rectY);
mat.scale(2.0f * rectW, -2.0f * rectH);
m_glShaderSimple.drawPolyline(mat, color, (GLfloat *)&trace[2 * start], end - start);
// Paint trigger level if any
if ((traceData.m_triggerDisplayLevel > -1.0f) && (traceData.m_triggerDisplayLevel < 1.0f))
{
GLfloat q3[]{
0, traceData.m_triggerDisplayLevel,
1, traceData.m_triggerDisplayLevel};
float rectX = m_glScopeRect1.x();
float rectY = m_glScopeRect1.y() + m_glScopeRect1.height() / 2.0f;
float rectW = m_glScopeRect1.width();
float rectH = -m_glScopeRect1.height() / 2.0f;
QVector4D color(
m_focusedTriggerData.m_triggerColorR,
m_focusedTriggerData.m_triggerColorG,
m_focusedTriggerData.m_triggerColorB,
0.4f);
QMatrix4x4 mat;
mat.setToIdentity();
mat.translate(-1.0f + 2.0f * rectX, 1.0f - 2.0f * rectY);
mat.scale(2.0f * rectW, -2.0f * rectH);
m_glShaderSimple.drawSegments(mat, color, q3, 2);
} // display trigger
// Paint overlay if any
if ((m_focusedTraceIndex == 0) && (traceData.m_hasTextOverlay))
{
drawChannelOverlay(
traceData.m_textOverlay,
traceData.m_traceColor,
m_channelOverlayPixmap1,
m_glScopeRect1);
} // display overlay
} // displayable trace
} // trace length > 0
} // Display X
if ((m_displayMode == DisplayY) || (m_displayMode == DisplayXYV) || (m_displayMode == DisplayXYH)) // display traces #1..n
{
// draw rect around
{
GLfloat q3[]{
1, 1,
0, 1,
0, 0,
1, 0};
QVector4D color(1.0f, 1.0f, 1.0f, 0.5f);
m_glShaderSimple.drawContour(m_glScopeMatrix2, color, q3, 4);
}
// paint grid
drawRectGrid2();
// paint traces #1..n
if (m_traceSize > 0)
{
int start = (m_timeOfsProMill / 1000.0) * m_traceSize;
int end = std::min(start + m_traceSize / m_timeBase, m_traceSize);
if (end - start < 2) {
start--;
}
for (unsigned int i = 1; i < m_traces->size(); i++)
{
const float *trace = (*m_traces)[i];
const ScopeVis::TraceData &traceData = (*m_tracesData)[i];
if (!traceData.m_viewTrace) {
continue;
}
float rectX = m_glScopeRect2.x();
float rectY = m_glScopeRect2.y() + m_glScopeRect2.height() / 2.0f;
float rectW = m_glScopeRect2.width() * (float)m_timeBase / (float)(m_traceSize - 1);
//float rectH = -(m_glScopeRect1.height() / 2.0f) * traceData.m_amp;
float rectH = -m_glScopeRect2.height() / 2.0f;
//QVector4D color(1.0f, 1.0f, 0.25f, m_displayTraceIntensity / 100.0f);
QVector4D color(traceData.m_traceColorR, traceData.m_traceColorG, traceData.m_traceColorB, m_displayTraceIntensity / 100.0f);
QMatrix4x4 mat;
mat.setToIdentity();
mat.translate(-1.0f + 2.0f * rectX, 1.0f - 2.0f * rectY);
mat.scale(2.0f * rectW, -2.0f * rectH);
m_glShaderSimple.drawPolyline(mat, color, (GLfloat *)&trace[2 * start], end - start);
// Paint trigger level if any
if ((traceData.m_triggerDisplayLevel > -1.0f) && (traceData.m_triggerDisplayLevel < 1.0f))
{
GLfloat q3[]{
0, traceData.m_triggerDisplayLevel,
1, traceData.m_triggerDisplayLevel};
float rectX = m_glScopeRect2.x();
float rectY = m_glScopeRect2.y() + m_glScopeRect2.height() / 2.0f;
float rectW = m_glScopeRect2.width();
float rectH = -m_glScopeRect2.height() / 2.0f;
QVector4D color(
m_focusedTriggerData.m_triggerColorR,
m_focusedTriggerData.m_triggerColorG,
m_focusedTriggerData.m_triggerColorB,
0.4f);
QMatrix4x4 mat;
mat.setToIdentity();
mat.translate(-1.0f + 2.0f * rectX, 1.0f - 2.0f * rectY);
mat.scale(2.0f * rectW, -2.0f * rectH);
m_glShaderSimple.drawSegments(mat, color, q3, 2);
}
// Paint overlay if any
if ((i == m_focusedTraceIndex) && (traceData.m_hasTextOverlay))
{
drawChannelOverlay(
traceData.m_textOverlay,
traceData.m_traceColor,
m_channelOverlayPixmap2,
m_glScopeRect2);
}
} // one trace display
} // trace length > 0
} // Display Y
if (m_displayMode == DisplayPol)
{
// paint left display: mixed XY
// draw rect around
{
GLfloat q3[]{
1, 1,
0, 1,
0, 0,
1, 0};
QVector4D color(1.0f, 1.0f, 1.0f, 0.5f);
m_glShaderSimple.drawContour(m_glScopeMatrix1, color, q3, 4);
}
// paint grid
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
// Horizontal grid Y1
tickList = &m_y1Scale.getTickList();
{
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickY1.m_array;
int effectiveTicks = 0;
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0))
{
float y = 1 - (tick->pos / m_y1Scale.getSize());
q3[4 * effectiveTicks] = 0;
q3[4 * effectiveTicks + 1] = y;
q3[4 * effectiveTicks + 2] = 1;
q3[4 * effectiveTicks + 3] = y;
effectiveTicks++;
}
}
QVector4D color(1.0f, 1.0f, 0.25f, (float)m_displayGridIntensity / 100.0f);
m_glShaderSimple.drawSegments(m_glScopeMatrix1, color, q3, 2 * effectiveTicks);
}
// Vertical grid X1
tickList = &m_x1Scale.getTickList();
{
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickX1.m_array;
int effectiveTicks = 0;
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0))
{
float x = tick->pos / m_x1Scale.getSize();
q3[4 * effectiveTicks] = x;
q3[4 * effectiveTicks + 1] = 0;
q3[4 * effectiveTicks + 2] = x;
q3[4 * effectiveTicks + 3] = 1;
effectiveTicks++;
}
}
QVector4D color(1.0f, 1.0f, 1.0f, (float)m_displayGridIntensity / 100.0f);
m_glShaderSimple.drawSegments(m_glScopeMatrix1, color, q3, 2 * effectiveTicks);
}
// paint left #1 scale
{
GLfloat vtx1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
GLfloat tex1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
m_glShaderLeft1Scale.drawSurface(m_glLeft1ScaleMatrix, tex1, vtx1, 4);
}
// paint bottom #1 scale
{
GLfloat vtx1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
GLfloat tex1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
m_glShaderBottom1Scale.drawSurface(m_glBot1ScaleMatrix, tex1, vtx1, 4);
}
// Paint secondary grid
// Horizontal secondary grid Y2
tickList = &m_y2Scale.getTickList();
{
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickY2.m_array;
int effectiveTicks = 0;
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0))
{
float y = 1 - (tick->pos / m_y2Scale.getSize());
q3[4 * effectiveTicks] = 0;
q3[4 * effectiveTicks + 1] = y;
q3[4 * effectiveTicks + 2] = 1;
q3[4 * effectiveTicks + 3] = y;
effectiveTicks++;
}
}
QVector4D color(0.25f, 1.0f, 1.0f, (float)m_displayGridIntensity / 100.0f);
m_glShaderSimple.drawSegments(m_glScopeMatrix1, color, q3, 2 * effectiveTicks);
}
// Paint secondary scale
{
GLfloat vtx1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
GLfloat tex1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
m_glShaderLeft2Scale.drawSurface(m_glRight1ScaleMatrix, tex1, vtx1, 4);
}
// paint all traces
if (m_traceSize > 0)
{
int start = (m_timeOfsProMill / 1000.0) * m_traceSize;
int end = std::min(start + m_traceSize / m_timeBase, m_traceSize);
if (end - start < 2) {
start--;
}
for (unsigned int i = 0; i < m_traces->size(); i++)
{
const float *trace = (*m_traces)[i];
const ScopeVis::TraceData &traceData = (*m_tracesData)[i];
if (!traceData.m_viewTrace) {
continue;
}
float rectX = m_glScopeRect1.x();
float rectY = m_glScopeRect1.y() + m_glScopeRect1.height() / 2.0f;
float rectW = m_glScopeRect1.width() * (float)m_timeBase / (float)(m_traceSize - 1);
//float rectH = -(m_glScopeRect1.height() / 2.0f) * traceData.m_amp;
float rectH = -m_glScopeRect1.height() / 2.0f;
//QVector4D color(1.0f, 1.0f, 0.25f, m_displayTraceIntensity / 100.0f);
QVector4D color(traceData.m_traceColorR, traceData.m_traceColorG, traceData.m_traceColorB, m_displayTraceIntensity / 100.0f);
QMatrix4x4 mat;
mat.setToIdentity();
mat.translate(-1.0f + 2.0f * rectX, 1.0f - 2.0f * rectY);
mat.scale(2.0f * rectW, -2.0f * rectH);
if (i == 1) { // Y1 in rainbow color
m_glShaderColors.drawPolyline(mat, (GLfloat *)&trace[2 * start], m_q3Colors.m_array, m_displayTraceIntensity / 100.0f, end - start);
} else {
m_glShaderSimple.drawPolyline(mat, color, (GLfloat *)&trace[2 * start], end - start);
}
// Paint trigger level if any
if ((traceData.m_triggerDisplayLevel > -1.0f) && (traceData.m_triggerDisplayLevel < 1.0f))
{
GLfloat q3[]{
0, traceData.m_triggerDisplayLevel,
1, traceData.m_triggerDisplayLevel};
float rectX = m_glScopeRect1.x();
float rectY = m_glScopeRect1.y() + m_glScopeRect1.height() / 2.0f;
float rectW = m_glScopeRect1.width();
float rectH = -m_glScopeRect1.height() / 2.0f;
QVector4D color(
m_focusedTriggerData.m_triggerColorR,
m_focusedTriggerData.m_triggerColorG,
m_focusedTriggerData.m_triggerColorB,
0.4f);
QMatrix4x4 mat;
mat.setToIdentity();
mat.translate(-1.0f + 2.0f * rectX, 1.0f - 2.0f * rectY);
mat.scale(2.0f * rectW, -2.0f * rectH);
m_glShaderSimple.drawSegments(mat, color, q3, 2);
}
// Paint overlay if any
if ((i == m_focusedTraceIndex) && (traceData.m_hasTextOverlay))
{
drawChannelOverlay(
traceData.m_textOverlay,
traceData.m_traceColor,
m_channelOverlayPixmap1,
m_glScopeRect1);
}
} // all traces display
} // trace length > 0
// paint right display: polar XY
// draw rect around
{
GLfloat q3[]{
1, 1,
0, 1,
0, 0,
1, 0};
QVector4D color(1.0f, 1.0f, 1.0f, 0.5f);
m_glShaderSimple.drawContour(m_glScopeMatrix2, color, q3, 4);
}
// paint grid
if (m_displayPolGrid) {
drawPolarGrid2();
} else {
drawRectGrid2();
}
// paint polar traces
if (m_traceSize > 0)
{
int start = (m_timeOfsProMill / 1000.0) * m_traceSize;
int end = std::min(start + m_traceSize / m_timeBase, m_traceSize);
if (end - start < 2)
start--;
//GLfloat q3[2*(end - start)];
GLfloat *q3 = m_q3Polar.m_array;
const float *trace0 = (*m_traces)[0];
// If X is an angle and XY display is in polar grid we will perform polar conversion of traces
bool polarConversion = m_projectionTypes ?
(*m_projectionTypes).size() > 0 ?
((*m_projectionTypes)[0] == Projector::ProjectionPhase)
|| ((*m_projectionTypes)[0] == Projector::ProjectionDOAP)
|| ((*m_projectionTypes)[0] == Projector::ProjectionDOAN)
: false
: false;
polarConversion &= m_displayPolGrid;
if (!polarConversion) { // When there is no polar conversion X values are fixed
memcpy(q3, &(trace0[2*start + 1]), (2*(end-start) - 1)*sizeof(float)); // copy X values
} // TODO: with polar conversion X can be converted to fixed sin(theta) and cos(theta)
for (unsigned int i = 1; i < m_traces->size(); i++)
{
const float *trace = (*m_traces)[i];
const ScopeVis::TraceData &traceData = (*m_tracesData)[i];
if (!traceData.m_viewTrace) {
continue;
}
if (polarConversion)
{
bool positiveProjection = m_projectionTypes && (i < m_projectionTypes->size()) ?
isPositiveProjection((*m_projectionTypes)[i]) : false;
for (int j = start; j < end; j++)
{
float r;
if (positiveProjection) {
r = 0.5f*trace[2*j + 1] + 0.5f;
} else {
r = trace[2*j + 1];
}
float theta = M_PI*trace0[2*j + 1]; // TODO: fixed X to theta conversion (see above)
float x = r*cos(theta);
float y = r*sin(theta);
q3[2*(j-start)] = x;
q3[2*(j-start) + 1] = y;
}
}
else
{
for (int j = start; j < end; j++)
{
float y = trace[2*j + 1];
q3[2*(j-start) + 1] = y;
}
}
float rectX = m_glScopeRect2.x() + m_glScopeRect2.width() / 2.0f;
float rectY = m_glScopeRect2.y() + m_glScopeRect2.height() / 2.0f;
float rectW = m_glScopeRect2.width() / 2.0f;
float rectH = -(m_glScopeRect2.height() / 2.0f);
QVector4D color(traceData.m_traceColorR, traceData.m_traceColorG, traceData.m_traceColorB, m_displayTraceIntensity / 100.0f);
QMatrix4x4 mat;
mat.setToIdentity();
mat.translate(-1.0f + 2.0f * rectX, 1.0f - 2.0f * rectY);
mat.scale(2.0f * rectW, -2.0f * rectH);
if (i == 1) // Y1 in rainbow color
{
if (m_displayXYPoints) {
m_glShaderColors.drawPoints(mat, q3, m_q3Colors.m_array, m_displayTraceIntensity / 100.0f, end - start);
} else {
m_glShaderColors.drawPolyline(mat, q3, m_q3Colors.m_array, m_displayTraceIntensity / 100.0f, end - start);
}
}
else
{
if (m_displayXYPoints) {
m_glShaderSimple.drawPoints(mat, color, q3, end - start);
} else {
m_glShaderSimple.drawPolyline(mat, color, q3, end - start);
}
}
} // XY polar display
} // trace length > 0
} // XY mixed + polar display
drawMarkers();
m_dataChanged.store(0);
m_processingTraceIndex.store(-1);
m_mutex.unlock();
}
void GLScope::drawMarkers()
{
QVector4D markerColor(1.0f, 1.0f, 1.0f, 0.3f);
QVector4D markerTextColor(1.0f, 1.0f, 1.0f, 0.8f);
if ((m_markers1.size() > 0) && ((m_displayMode == DisplayX) || (m_displayMode == DisplayXYH) || (m_displayMode == DisplayXYV))) // Draw markers1
{
// crosshairs
for (int i = 0; i < m_markers1.size(); i++)
{
GLfloat h[] {
(float) m_markers1.at(i).m_point.x(), 0,
(float) m_markers1.at(i).m_point.x(), 1
};
m_glShaderSimple.drawSegments(m_glScopeMatrix1, markerColor, h, 2);
GLfloat v[] {
0, (float) m_markers1.at(i).m_point.y(),
1, (float) m_markers1.at(i).m_point.y()
};
m_glShaderSimple.drawSegments(m_glScopeMatrix1, markerColor, v, 2);
}
// text
for (int i = 0; i < m_markers1.size(); i++)
{
if (i == 0)
{
drawTextOverlay(
m_markers1.at(i).m_timeStr,
QColor(255, 255, 255, 192),
m_textOverlayFont,
m_markers1.at(i).m_point.x() * m_glScopeRect1.width(),
m_glScopeRect1.height(),
m_markers1.at(i).m_point.x() < 0.5f,
false,
m_glScopeRect1);
drawTextOverlay(
m_markers1.at(i).m_valueStr,
QColor(255, 255, 255, 192),
m_textOverlayFont,
0,
m_markers1.at(i).m_point.y() * m_glScopeRect1.height(),
true,
m_markers1.at(i).m_point.y() < 0.5f,
m_glScopeRect1);
}
else
{
drawTextOverlay(
m_markers1.at(i).m_timeDeltaStr,
QColor(255, 255, 255, 192),
m_textOverlayFont,
m_markers1.at(i).m_point.x() * m_glScopeRect1.width(),
0,
m_markers1.at(i).m_point.x() < 0.5f,
true,
m_glScopeRect1);
drawTextOverlay(
m_markers1.at(i).m_valueDeltaStr,
QColor(255, 255, 255, 192),
m_textOverlayFont,
m_glScopeRect1.width(),
m_markers1.at(i).m_point.y() * m_glScopeRect1.height(),
false,
m_markers1.at(i).m_point.y() < 0.5f,
m_glScopeRect1);
}
}
}
if ((m_markers2.size() > 0) && ((m_displayMode == DisplayY) || (m_displayMode == DisplayXYH) || (m_displayMode == DisplayXYV))) // Draw markers2
{
// crosshairs
for (int i = 0; i < m_markers2.size(); i++)
{
GLfloat h[] {
(float) m_markers2.at(i).m_point.x(), 0,
(float) m_markers2.at(i).m_point.x(), 1
};
m_glShaderSimple.drawSegments(m_glScopeMatrix2, markerColor, h, 2);
GLfloat v[] {
0, (float) m_markers2.at(i).m_point.y(),
1, (float) m_markers2.at(i).m_point.y()
};
m_glShaderSimple.drawSegments(m_glScopeMatrix2, markerColor, v, 2);
}
// text
for (int i = 0; i < m_markers2.size(); i++)
{
if (i == 0)
{
drawTextOverlay(
m_markers2.at(i).m_timeStr,
QColor(255, 255, 255, 192),
m_textOverlayFont,
m_markers2.at(i).m_point.x() * m_glScopeRect2.width(),
m_glScopeRect2.height(),
m_markers2.at(i).m_point.x() < 0.5f,
false,
m_glScopeRect2);
drawTextOverlay(
m_markers2.at(i).m_valueStr,
QColor(255, 255, 255, 192),
m_textOverlayFont,
0,
m_markers2.at(i).m_point.y() * m_glScopeRect2.height(),
true,
m_markers2.at(i).m_point.y() < 0.5f,
m_glScopeRect2);
}
else
{
drawTextOverlay(
m_markers2.at(i).m_timeDeltaStr,
QColor(255, 255, 255, 192),
m_textOverlayFont,
m_markers2.at(i).m_point.x() * m_glScopeRect2.width(),
0,
m_markers2.at(i).m_point.x() < 0.5f,
true,
m_glScopeRect2);
drawTextOverlay(
m_markers2.at(i).m_valueDeltaStr,
QColor(255, 255, 255, 192),
m_textOverlayFont,
m_glScopeRect2.width(),
m_markers2.at(i).m_point.y() * m_glScopeRect2.height(),
false,
m_markers2.at(i).m_point.y() < 0.5f,
m_glScopeRect2);
}
}
}
}
void GLScope::setSampleRate(int sampleRate)
{
m_mutex.lock();
m_sampleRate = sampleRate;
m_configChanged = true;
m_mutex.unlock();
update();
emit sampleRateChanged(m_sampleRate);
}
void GLScope::setTimeBase(int timeBase)
{
m_mutex.lock();
m_timeBase = timeBase;
m_configChanged = true;
m_mutex.unlock();
update();
}
void GLScope::setTriggerPre(uint32_t triggerPre, bool emitSignal)
{
m_mutex.lock();
m_triggerPre = triggerPre;
m_configChanged = true;
m_mutex.unlock();
update();
if (emitSignal) {
emit preTriggerChanged(m_triggerPre);
}
}
void GLScope::setTimeOfsProMill(int timeOfsProMill)
{
m_mutex.lock();
m_timeOfsProMill = timeOfsProMill;
m_configChanged = true;
m_mutex.unlock();
update();
}
void GLScope::setFocusedTraceIndex(uint32_t traceIndex)
{
m_mutex.lock();
m_focusedTraceIndex = traceIndex;
m_configChanged = true;
m_mutex.unlock();
update();
}
void GLScope::setDisplayMode(DisplayMode displayMode)
{
m_mutex.lock();
m_displayMode = displayMode;
m_configChanged = true;
m_mutex.unlock();
update();
}
void GLScope::setTraceSize(int traceSize, bool emitSignal)
{
m_mutex.lock();
m_traceSize = traceSize;
m_q3Colors.allocate(3*traceSize);
setColorPalette(traceSize, m_traceModulo, m_q3Colors.m_array);
m_configChanged = true;
m_mutex.unlock();
update();
if (emitSignal) {
emit traceSizeChanged(m_traceSize);
}
}
void GLScope::updateDisplay()
{
m_mutex.lock();
m_configChanged = true;
m_mutex.unlock();
update();
}
void GLScope::applyConfig()
{
QFontMetrics fm(font());
//float t_start = ((m_timeOfsProMill / 1000.0) * ((float) m_traceSize / m_sampleRate)) - ((float) m_triggerPre / m_sampleRate);
float t_start = (((m_timeOfsProMill / 1000.0f) * (float)m_traceSize) / m_sampleRate) - ((float)m_triggerPre / m_sampleRate);
float t_len = ((float)m_traceSize / m_sampleRate) / (float)m_timeBase;
// scales
m_x1Scale.setRange(Unit::Time, t_start, t_start + t_len); // time scale
if (m_displayMode == DisplayPol) {
setYScale(m_x2Scale, 0); // polar scale (X)
} else {
m_x2Scale.setRange(Unit::Time, t_start, t_start + t_len); // time scale
}
if (m_traces->size() > 0) {
setYScale(m_y1Scale, 0); // This is always the X trace (trace #0)
}
if ((m_traces->size() > 1) && (m_focusedTraceIndex < m_traces->size())) {
setYScale(m_y2Scale, m_focusedTraceIndex > 0 ? m_focusedTraceIndex : 1); // if Highlighted trace is #0 (X trace) set it to first Y trace (trace #1)
} else {
setYScale(m_y2Scale, 0); // Default to the X trace (trace #0) - If there is only one trace it should not get there (Y displays disabled in the UI)
}
// display arrangements
if ((m_displayMode == DisplayX) || (m_displayMode == DisplayY)) { // unique displays
setUniqueDisplays();
} else if (m_displayMode == DisplayXYV) { // both displays vertically arranged
setVerticalDisplays();
} else if (m_displayMode == DisplayXYH) { // both displays horizontally arranged
setHorizontalDisplays();
} else if (m_displayMode == DisplayPol) { // horizontal arrangement: XY stacked on left and polar on right
setPolarDisplays();
}
m_q3TickY1.allocate(4 * m_y1Scale.getTickList().count());
m_q3TickY2.allocate(4 * m_y2Scale.getTickList().count());
m_q3TickX1.allocate(4 * m_x1Scale.getTickList().count());
m_q3TickX2.allocate(4 * m_x2Scale.getTickList().count());
int start = (m_timeOfsProMill / 1000.0) * m_traceSize;
int end = std::min(start + m_traceSize / m_timeBase, m_traceSize);
if (end - start < 2)
start--;
m_q3Polar.allocate(2 * (end - start));
}
void GLScope::setUniqueDisplays()
{
QFontMetrics fm(font());
int M = fm.width("-");
int scopeHeight = height() - m_topMargin - m_botMargin;
int scopeWidth = width() - m_leftMargin - m_rightMargin;
// X display
m_glScopeRect1 = QRectF(
(float)m_leftMargin / (float)width(),
(float)m_topMargin / (float)height(),
(float)scopeWidth / (float)width(),
(float)scopeHeight / (float)height());
m_glScopeMatrix1.setToIdentity();
m_glScopeMatrix1.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glScopeMatrix1.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * scopeHeight / (float)height());
m_glBot1ScaleMatrix.setToIdentity();
m_glBot1ScaleMatrix.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * (scopeHeight + m_topMargin + 1) / (float)height()));
m_glBot1ScaleMatrix.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * (m_botMargin - 1) / (float)height());
m_glLeft1ScaleMatrix.setToIdentity();
m_glLeft1ScaleMatrix.translate(
-1.0f,
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glLeft1ScaleMatrix.scale(
(float)2 * (m_leftMargin - 1) / (float)width(),
(float)-2 * scopeHeight / (float)height());
// Y displays
m_glScopeRect2 = QRectF(
(float)m_leftMargin / (float)width(),
(float)m_topMargin / (float)height(),
(float)scopeWidth / (float)width(),
(float)scopeHeight / (float)height());
m_glScopeMatrix2.setToIdentity();
m_glScopeMatrix2.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glScopeMatrix2.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * scopeHeight / (float)height());
m_glBot2ScaleMatrix.setToIdentity();
m_glBot2ScaleMatrix.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * (scopeHeight + m_topMargin + 1) / (float)height()));
m_glBot2ScaleMatrix.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * (m_botMargin - 1) / (float)height());
m_glLeft2ScaleMatrix.setToIdentity();
m_glLeft2ScaleMatrix.translate(
-1.0f,
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glLeft2ScaleMatrix.scale(
(float)2 * (m_leftMargin - 1) / (float)width(),
(float)-2 * scopeHeight / (float)height());
{ // X horizontal scale (X1)
m_x1Scale.setSize(scopeWidth);
m_bot1ScalePixmap = QPixmap(
scopeWidth,
m_botMargin - 1);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_bot1ScalePixmap.fill(Qt::black);
QPainter painter(&m_bot1ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_x1Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(tick->textPos, fm.height() - 1), tick->text);
}
}
m_glShaderBottom1Scale.initTexture(m_bot1ScalePixmap.toImage());
} // X horizontal scale
{ // Y horizontal scale (X2)
m_x2Scale.setSize(scopeWidth);
m_bot2ScalePixmap = QPixmap(
scopeWidth,
m_botMargin - 1);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_bot2ScalePixmap.fill(Qt::black);
QPainter painter(&m_bot2ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_x2Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(tick->textPos, fm.height() - 1), tick->text);
}
}
m_glShaderBottom2Scale.initTexture(m_bot2ScalePixmap.toImage());
} // Y horizontal scale
{ // X vertical scale (Y1)
m_y1Scale.setSize(scopeHeight);
m_left1ScalePixmap = QPixmap(
m_leftMargin - 1,
scopeHeight);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_left1ScalePixmap.fill(Qt::black);
QPainter painter(&m_left1ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_y1Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(m_leftMargin - M - tick->textSize, m_topMargin + scopeHeight - tick->textPos - fm.ascent() / 2), tick->text);
}
}
m_glShaderLeft1Scale.initTexture(m_left1ScalePixmap.toImage());
} // X vertical scale
{ // Y vertical scale (Y2)
m_y2Scale.setSize(scopeHeight);
m_left2ScalePixmap = QPixmap(
m_leftMargin - 1,
scopeHeight);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_left2ScalePixmap.fill(Qt::black);
QPainter painter(&m_left2ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_y2Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(m_leftMargin - M - tick->textSize, m_topMargin + scopeHeight - tick->textPos - fm.ascent() / 2), tick->text);
}
}
m_glShaderLeft2Scale.initTexture(m_left2ScalePixmap.toImage());
} // Y vertical scale
}
void GLScope::setVerticalDisplays()
{
QFontMetrics fm(font());
int M = fm.width("-");
int scopeHeight = (height() - m_topMargin) / 2 - m_botMargin;
int scopeWidth = width() - m_leftMargin - m_rightMargin;
// X display
m_glScopeRect1 = QRectF(
(float)m_leftMargin / (float)width(),
(float)m_topMargin / (float)height(),
(float)scopeWidth / (float)width(),
(float)scopeHeight / (float)height());
m_glScopeMatrix1.setToIdentity();
m_glScopeMatrix1.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glScopeMatrix1.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * scopeHeight / (float)height());
m_glBot1ScaleMatrix.setToIdentity();
m_glBot1ScaleMatrix.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * (scopeHeight + m_topMargin + 1) / (float)height()));
m_glBot1ScaleMatrix.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * (m_botMargin - 1) / (float)height());
m_glLeft1ScaleMatrix.setToIdentity();
m_glLeft1ScaleMatrix.translate(
-1.0f,
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glLeft1ScaleMatrix.scale(
(float)2 * (m_leftMargin - 1) / (float)width(),
(float)-2 * scopeHeight / (float)height());
// Y display
m_glScopeRect2 = QRectF(
(float)m_leftMargin / (float)width(),
(float)(m_botMargin + m_topMargin + scopeHeight) / (float)height(),
(float)scopeWidth / (float)width(),
(float)scopeHeight / (float)height());
m_glScopeMatrix2.setToIdentity();
m_glScopeMatrix2.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * (m_botMargin + m_topMargin + scopeHeight) / (float)height()));
m_glScopeMatrix2.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * scopeHeight / (float)height());
m_glBot2ScaleMatrix.setToIdentity();
m_glBot2ScaleMatrix.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * (scopeHeight + m_topMargin + scopeHeight + m_botMargin + 1) / (float)height()));
m_glBot2ScaleMatrix.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * (m_botMargin - 1) / (float)height());
m_glLeft2ScaleMatrix.setToIdentity();
m_glLeft2ScaleMatrix.translate(
-1.0f,
1.0f - ((float)2 * (m_topMargin + scopeHeight + m_botMargin) / (float)height()));
m_glLeft2ScaleMatrix.scale(
(float)2 * (m_leftMargin - 1) / (float)width(),
(float)-2 * scopeHeight / (float)height());
{ // X horizontal scale (X1)
m_x1Scale.setSize(scopeWidth);
m_bot1ScalePixmap = QPixmap(
scopeWidth,
m_botMargin - 1);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_bot1ScalePixmap.fill(Qt::black);
QPainter painter(&m_bot1ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_x1Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(tick->textPos, fm.height() - 1), tick->text);
}
}
m_glShaderBottom1Scale.initTexture(m_bot1ScalePixmap.toImage());
} // X horizontal scale (X1)
{ // Y horizontal scale (X2)
m_x2Scale.setSize(scopeWidth);
m_bot2ScalePixmap = QPixmap(
scopeWidth,
m_botMargin - 1);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_bot2ScalePixmap.fill(Qt::black);
QPainter painter(&m_bot2ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_x2Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(tick->textPos, fm.height() - 1), tick->text);
}
}
m_glShaderBottom2Scale.initTexture(m_bot2ScalePixmap.toImage());
} // Y horizontal scale (X2)
{ // X vertical scale (Y1)
m_y1Scale.setSize(scopeHeight);
m_left1ScalePixmap = QPixmap(
m_leftMargin - 1,
scopeHeight);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_left1ScalePixmap.fill(Qt::black);
QPainter painter(&m_left1ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_y1Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(m_leftMargin - M - tick->textSize, m_topMargin + scopeHeight - tick->textPos - fm.ascent() / 2), tick->text);
}
}
m_glShaderLeft1Scale.initTexture(m_left1ScalePixmap.toImage());
} // X vertical scale (Y1)
{ // Y vertical scale (Y2)
m_y2Scale.setSize(scopeHeight);
m_left2ScalePixmap = QPixmap(
m_leftMargin - 1,
scopeHeight);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_left2ScalePixmap.fill(Qt::black);
QPainter painter(&m_left2ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_y2Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(m_leftMargin - M - tick->textSize, m_topMargin + scopeHeight - tick->textPos - fm.ascent() / 2), tick->text);
}
}
m_glShaderLeft2Scale.initTexture(m_left2ScalePixmap.toImage());
} // Y vertical scale (Y2)
}
void GLScope::setHorizontalDisplays()
{
QFontMetrics fm(font());
int M = fm.width("-");
int scopeHeight = height() - m_topMargin - m_botMargin;
int scopeWidth = (width() - m_rightMargin) / 2 - m_leftMargin;
// X display
m_glScopeRect1 = QRectF(
(float)m_leftMargin / (float)width(),
(float)m_topMargin / (float)height(),
(float)scopeWidth / (float)width(),
(float)scopeHeight / (float)height());
m_glScopeMatrix1.setToIdentity();
m_glScopeMatrix1.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glScopeMatrix1.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * scopeHeight / (float)height());
m_glBot1ScaleMatrix.setToIdentity();
m_glBot1ScaleMatrix.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * (scopeHeight + m_topMargin + 1) / (float)height()));
m_glBot1ScaleMatrix.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * (m_botMargin - 1) / (float)height());
m_glLeft1ScaleMatrix.setToIdentity();
m_glLeft1ScaleMatrix.translate(
-1.0f,
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glLeft1ScaleMatrix.scale(
(float)2 * (m_leftMargin - 1) / (float)width(),
(float)-2 * scopeHeight / (float)height());
// Y display
m_glScopeRect2 = QRectF(
(float)(m_leftMargin + m_leftMargin + ((width() - m_leftMargin - m_leftMargin - m_rightMargin) / 2)) / (float)width(),
(float)m_topMargin / (float)height(),
(float)((width() - m_leftMargin - m_leftMargin - m_rightMargin) / 2) / (float)width(),
(float)(height() - m_topMargin - m_botMargin) / (float)height());
m_glScopeMatrix2.setToIdentity();
m_glScopeMatrix2.translate(
-1.0f + ((float)2 * (m_leftMargin + m_leftMargin + ((width() - m_leftMargin - m_leftMargin - m_rightMargin) / 2)) / (float)width()),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glScopeMatrix2.scale(
(float)2 * ((width() - m_leftMargin - m_leftMargin - m_rightMargin) / 2) / (float)width(),
(float)-2 * (height() - m_topMargin - m_botMargin) / (float)height());
m_glBot2ScaleMatrix.setToIdentity();
m_glBot2ScaleMatrix.translate(
-1.0f + ((float)2 * (m_leftMargin + m_leftMargin + scopeWidth) / (float)width()),
1.0f - ((float)2 * (scopeHeight + m_topMargin + 1) / (float)height()));
m_glBot2ScaleMatrix.scale(
(float)2 * scopeWidth / (float)width(),
(float)-2 * (m_botMargin - 1) / (float)height());
m_glLeft2ScaleMatrix.setToIdentity();
m_glLeft2ScaleMatrix.translate(
-1.0f + (float)2 * (m_leftMargin + scopeWidth) / (float)width(),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glLeft2ScaleMatrix.scale(
(float)2 * (m_leftMargin - 1) / (float)width(),
(float)-2 * scopeHeight / (float)height());
{ // X horizontal scale (X1)
m_x1Scale.setSize(scopeWidth);
m_bot1ScalePixmap = QPixmap(
scopeWidth,
m_botMargin - 1);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_bot1ScalePixmap.fill(Qt::black);
QPainter painter(&m_bot1ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_x1Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(tick->textPos, fm.height() - 1), tick->text);
}
}
m_glShaderBottom1Scale.initTexture(m_bot1ScalePixmap.toImage());
} // X horizontal scale (X1)
{ // Y horizontal scale (X2)
m_x2Scale.setSize(scopeWidth);
m_bot2ScalePixmap = QPixmap(
scopeWidth,
m_botMargin - 1);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_bot2ScalePixmap.fill(Qt::black);
QPainter painter(&m_bot2ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_x2Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(tick->textPos, fm.height() - 1), tick->text);
}
}
m_glShaderBottom2Scale.initTexture(m_bot2ScalePixmap.toImage());
} // Y horizontal scale (X2)
{ // X vertical scale (Y1)
m_y1Scale.setSize(scopeHeight);
m_left1ScalePixmap = QPixmap(
m_leftMargin - 1,
scopeHeight);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_left1ScalePixmap.fill(Qt::black);
QPainter painter(&m_left1ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_y1Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(m_leftMargin - M - tick->textSize, m_topMargin + scopeHeight - tick->textPos - fm.ascent() / 2), tick->text);
}
}
m_glShaderLeft1Scale.initTexture(m_left1ScalePixmap.toImage());
} // X vertical scale (Y1)
{ // Y vertical scale (Y2)
m_y2Scale.setSize(scopeHeight);
m_left2ScalePixmap = QPixmap(
m_leftMargin - 1,
scopeHeight);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_left2ScalePixmap.fill(Qt::black);
QPainter painter(&m_left2ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_y2Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(m_leftMargin - M - tick->textSize, m_topMargin + scopeHeight - tick->textPos - fm.ascent() / 2), tick->text);
}
}
m_glShaderLeft2Scale.initTexture(m_left2ScalePixmap.toImage());
} // Y vertical scale (Y2)
}
void GLScope::setPolarDisplays()
{
QFontMetrics fm(font());
int M = fm.width("-");
int scopeHeight = height() - m_topMargin - m_botMargin;
int scopeWidth = (width() - m_rightMargin) / 2 - m_leftMargin;
int scopeDim = std::min(scopeWidth, scopeHeight);
scopeWidth += scopeWidth - scopeDim;
// Mixed XY display (left)
m_glScopeRect1 = QRectF(
(float)m_leftMargin / (float)width(),
(float)m_topMargin / (float)height(),
(float)(scopeWidth - m_leftMargin) / (float)width(),
(float)scopeHeight / (float)height());
m_glScopeMatrix1.setToIdentity();
m_glScopeMatrix1.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glScopeMatrix1.scale(
(float)2 * (scopeWidth - m_leftMargin) / (float)width(),
(float)-2 * scopeHeight / (float)height());
m_glBot1ScaleMatrix.setToIdentity();
m_glBot1ScaleMatrix.translate(
-1.0f + ((float)2 * m_leftMargin / (float)width()),
1.0f - ((float)2 * (scopeHeight + m_topMargin + 1) / (float)height()));
m_glBot1ScaleMatrix.scale(
(float)2 * (scopeWidth - m_leftMargin) / (float)width(),
(float)-2 * (m_botMargin - 1) / (float)height());
m_glLeft1ScaleMatrix.setToIdentity();
m_glLeft1ScaleMatrix.translate(
-1.0f,
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glLeft1ScaleMatrix.scale(
(float)2 * (m_leftMargin - 1) / (float)width(),
(float)-2 * scopeHeight / (float)height());
m_glRight1ScaleMatrix.setToIdentity();
m_glRight1ScaleMatrix.translate(
-1.0f + ((float)2 * scopeWidth / (float)width()),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glRight1ScaleMatrix.scale(
(float)2 * (m_leftMargin - 1) / (float)width(),
(float)-2 * scopeHeight / (float)height());
// Polar XY display (right)
m_glScopeRect2 = QRectF(
(float)(m_leftMargin + scopeWidth + m_leftMargin) / (float)width(),
(float)m_topMargin / (float)height(),
(float)scopeDim / (float)width(),
(float)(height() - m_topMargin - m_botMargin) / (float)height());
m_glScopeMatrix2.setToIdentity();
m_glScopeMatrix2.translate(
-1.0f + ((float)2 * (m_leftMargin + scopeWidth + m_leftMargin) / (float)width()),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glScopeMatrix2.scale(
(float)2 * scopeDim / (float)width(),
(float)-2 * (height() - m_topMargin - m_botMargin) / (float)height());
m_glBot2ScaleMatrix.setToIdentity();
m_glBot2ScaleMatrix.translate(
-1.0f + ((float)2 * (m_leftMargin + m_leftMargin + scopeWidth) / (float)width()),
1.0f - ((float)2 * (scopeHeight + m_topMargin + 1) / (float)height()));
m_glBot2ScaleMatrix.scale(
(float)2 * scopeDim / (float)width(),
(float)-2 * (m_botMargin - 1) / (float)height());
m_glLeft2ScaleMatrix.setToIdentity();
m_glLeft2ScaleMatrix.translate(
-1.0f + (float)2 * (m_leftMargin + scopeWidth) / (float)width(),
1.0f - ((float)2 * m_topMargin / (float)height()));
m_glLeft2ScaleMatrix.scale(
(float)2 * (m_leftMargin - 1) / (float)width(),
(float)-2 * scopeHeight / (float)height());
{ // Mixed XY horizontal scale (X1)
m_x1Scale.setSize(scopeWidth);
m_bot1ScalePixmap = QPixmap(
scopeWidth,
m_botMargin - 1);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_bot1ScalePixmap.fill(Qt::black);
QPainter painter(&m_bot1ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_x1Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(tick->textPos, fm.height() - 1), tick->text);
}
}
m_glShaderBottom1Scale.initTexture(m_bot1ScalePixmap.toImage());
} // Mixed XY horizontal scale (X1)
{ // Polar XY horizontal scale (X2)
m_x2Scale.setSize(scopeDim);
m_bot2ScalePixmap = QPixmap(
scopeDim,
m_botMargin - 1);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_bot2ScalePixmap.fill(Qt::black);
QPainter painter(&m_bot2ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_x2Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(tick->textPos, fm.height() - 1), tick->text);
}
}
m_glShaderBottom2Scale.initTexture(m_bot2ScalePixmap.toImage());
} // Polar XY horizontal scale (X2)
{ // Mixed XY vertical scale (Y1)
m_y1Scale.setSize(scopeHeight);
m_left1ScalePixmap = QPixmap(
m_leftMargin - 1,
scopeHeight);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_left1ScalePixmap.fill(Qt::black);
QPainter painter(&m_left1ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_y1Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(m_leftMargin - M - tick->textSize, m_topMargin + scopeHeight - tick->textPos - fm.ascent() / 2), tick->text);
}
}
m_glShaderLeft1Scale.initTexture(m_left1ScalePixmap.toImage());
} // Mixed XY vertical scale (Y1)
{ // Polar XY vertical scale (Y2)
m_y2Scale.setSize(scopeHeight);
m_left2ScalePixmap = QPixmap(
m_leftMargin - 1,
scopeHeight);
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
m_left2ScalePixmap.fill(Qt::black);
QPainter painter(&m_left2ScalePixmap);
painter.setPen(QColor(0xf0, 0xf0, 0xff));
painter.setFont(font());
tickList = &m_y2Scale.getTickList();
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0)) {
painter.drawText(QPointF(m_leftMargin - M - tick->textSize, m_topMargin + scopeHeight - tick->textPos - fm.ascent() / 2), tick->text);
}
}
m_glShaderLeft2Scale.initTexture(m_left2ScalePixmap.toImage());
} // Polar XY vertical scale (Y2)
}
void GLScope::setYScale(ScaleEngine &scale, uint32_t highlightedTraceIndex)
{
ScopeVis::TraceData &traceData = (*m_tracesData)[highlightedTraceIndex];
double amp_range = 2.0 / traceData.m_amp;
double amp_ofs = traceData.m_ofs;
double pow_floor = -100.0 + traceData.m_ofs * 100.0;
double pow_range = 100.0 / traceData.m_amp;
switch (traceData.m_projectionType)
{
case Projector::ProjectionMagDB: // dB scale
scale.setRange(Unit::Decibel, pow_floor, pow_floor + pow_range);
break;
case Projector::ProjectionMagLin:
case Projector::ProjectionMagSq:
if (amp_range < 1e-6) {
scale.setRange(Unit::None, amp_ofs * 1e9, amp_range * 1e9 + amp_ofs * 1e9);
} else if (amp_range < 1e-3) {
scale.setRange(Unit::None, amp_ofs * 1e6, amp_range * 1e6 + amp_ofs * 1e6);
} else if (amp_range < 1.0) {
scale.setRange(Unit::None, amp_ofs * 1e3, amp_range * 1e3 + amp_ofs * 1e3);
} else {
scale.setRange(Unit::None, amp_ofs, amp_range + amp_ofs);
}
break;
case Projector::ProjectionPhase: // Phase or frequency
case Projector::ProjectionDOAP:
case Projector::ProjectionDOAN:
case Projector::ProjectionDPhase:
scale.setRange(Unit::None, -1.0 / traceData.m_amp + amp_ofs, 1.0 / traceData.m_amp + amp_ofs);
break;
case Projector::ProjectionReal: // Linear generic
case Projector::ProjectionImag:
default:
if (amp_range < 1e-6) {
scale.setRange(Unit::None, -amp_range * 5e8 + amp_ofs * 1e9, amp_range * 5e8 + amp_ofs * 1e9);
} else if (amp_range < 1e-3) {
scale.setRange(Unit::None, -amp_range * 5e5 + amp_ofs * 1e6, amp_range * 5e5 + amp_ofs * 1e6);
} else if (amp_range < 1.0) {
scale.setRange(Unit::None, -amp_range * 5e2 + amp_ofs * 1e3, amp_range * 5e2 + amp_ofs * 1e3);
} else {
scale.setRange(Unit::None, -amp_range * 0.5 + amp_ofs, amp_range * 0.5 + amp_ofs);
}
break;
}
}
void GLScope::drawChannelOverlay(
const QString &text,
const QColor &color,
QPixmap &channelOverlayPixmap,
const QRectF &glScopeRect)
{
if (text.isEmpty()) {
return;
}
QFontMetricsF metrics(m_channelOverlayFont);
QRectF textRect = metrics.boundingRect(text);
QRectF overlayRect(0, 0, textRect.width() * 1.05f + 4.0f, textRect.height());
channelOverlayPixmap = QPixmap(overlayRect.width(), overlayRect.height());
channelOverlayPixmap.fill(Qt::transparent);
QPainter painter(&channelOverlayPixmap);
painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing, false);
painter.fillRect(overlayRect, QColor(0, 0, 0, 0x80));
QColor textColor(color);
textColor.setAlpha(0xC0);
painter.setPen(textColor);
painter.setFont(m_channelOverlayFont);
painter.drawText(QPointF(2.0f, overlayRect.height() - 4.0f), text);
painter.end();
m_glShaderPowerOverlay.initTexture(channelOverlayPixmap.toImage());
{
GLfloat vtx1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
GLfloat tex1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
float shiftX = glScopeRect.width() - ((overlayRect.width() + 4.0f) / width());
float shiftY = 4.0f / height();
float rectX = glScopeRect.x() + shiftX;
float rectY = glScopeRect.y() + shiftY;
float rectW = overlayRect.width() / (float)width();
float rectH = overlayRect.height() / (float)height();
QMatrix4x4 mat;
mat.setToIdentity();
mat.translate(-1.0f + 2.0f * rectX, 1.0f - 2.0f * rectY);
mat.scale(2.0f * rectW, -2.0f * rectH);
m_glShaderPowerOverlay.drawSurface(mat, tex1, vtx1, 4);
}
}
void GLScope::drawTextOverlay(
const QString &text,
const QColor &color,
const QFont& font,
float shiftX,
float shiftY,
bool leftHalf,
bool topHalf,
const QRectF &glRect)
{
if (text.isEmpty()) {
return;
}
QFontMetricsF metrics(font);
QRectF textRect = metrics.boundingRect(text);
QRectF overlayRect(0, 0, textRect.width() * 1.05f + 4.0f, textRect.height());
QPixmap channelOverlayPixmap = QPixmap(overlayRect.width(), overlayRect.height());
channelOverlayPixmap.fill(Qt::transparent);
QPainter painter(&channelOverlayPixmap);
painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing, false);
painter.fillRect(overlayRect, QColor(0, 0, 0, 0x80));
QColor textColor(color);
textColor.setAlpha(0xC0);
painter.setPen(textColor);
painter.setFont(font);
painter.drawText(QPointF(2.0f, overlayRect.height() - 4.0f), text);
painter.end();
m_glShaderTextOverlay.initTexture(channelOverlayPixmap.toImage());
{
GLfloat vtx1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
GLfloat tex1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
// float shiftX = glRect.width() - ((overlayRect.width() + 4.0f) / width());
// float shiftY = 4.0f / height();
float rectX = glRect.x() + shiftX - (leftHalf ? 0 : (overlayRect.width()+1)/width());
float rectY = glRect.y() + shiftY + (4.0f / height()) - (topHalf ? 0 : (overlayRect.height()+5)/height());
float rectW = overlayRect.width() / (float) width();
float rectH = overlayRect.height() / (float) height();
QMatrix4x4 mat;
mat.setToIdentity();
mat.translate(-1.0f + 2.0f * rectX, 1.0f - 2.0f * rectY);
mat.scale(2.0f * rectW, -2.0f * rectH);
m_glShaderTextOverlay.drawSurface(mat, tex1, vtx1, 4);
}
}
void GLScope::tick()
{
if (m_dataChanged.load()) {
update();
}
}
void GLScope::connectTimer(const QTimer &timer)
{
qDebug() << "GLScope::connectTimer";
disconnect(&m_timer, SIGNAL(timeout()), this, SLOT(tick()));
connect(&timer, SIGNAL(timeout()), this, SLOT(tick()));
m_timer.stop();
}
void GLScope::cleanup()
{
//makeCurrent();
m_glShaderSimple.cleanup();
m_glShaderBottom1Scale.cleanup();
m_glShaderBottom2Scale.cleanup();
m_glShaderLeft1Scale.cleanup();
m_glShaderPowerOverlay.cleanup();
m_glShaderTextOverlay.cleanup();
//doneCurrent();
}
void GLScope::drawRectGrid2()
{
const ScaleEngine::TickList *tickList;
const ScaleEngine::Tick *tick;
// Horizontal Y2
tickList = &m_y2Scale.getTickList();
{
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickY2.m_array;
int effectiveTicks = 0;
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0))
{
float y = 1 - (tick->pos / m_y2Scale.getSize());
q3[4 * effectiveTicks] = 0;
q3[4 * effectiveTicks + 1] = y;
q3[4 * effectiveTicks + 2] = 1;
q3[4 * effectiveTicks + 3] = y;
effectiveTicks++;
}
}
QVector4D color(1.0f, 1.0f, 1.0f, (float)m_displayGridIntensity / 100.0f);
m_glShaderSimple.drawSegments(m_glScopeMatrix2, color, q3, 2 * effectiveTicks);
}
// Vertical X2
tickList = &m_x2Scale.getTickList();
{
//GLfloat q3[4*tickList->count()];
GLfloat *q3 = m_q3TickX2.m_array;
int effectiveTicks = 0;
for (int i = 0; i < tickList->count(); i++)
{
tick = &(*tickList)[i];
if ((tick->major) && (tick->textSize > 0))
{
float x = tick->pos / m_x2Scale.getSize();
q3[4 * effectiveTicks] = x;
q3[4 * effectiveTicks + 1] = 0;
q3[4 * effectiveTicks + 2] = x;
q3[4 * effectiveTicks + 3] = 1;
effectiveTicks++;
}
}
QVector4D color(1.0f, 1.0f, 1.0f, (float)m_displayGridIntensity / 100.0f);
m_glShaderSimple.drawSegments(m_glScopeMatrix2, color, q3, 2 * effectiveTicks);
}
// paint left #2 scale
{
GLfloat vtx1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
GLfloat tex1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
m_glShaderLeft2Scale.drawSurface(m_glLeft2ScaleMatrix, tex1, vtx1, 4);
}
// paint bottom #2 scale
{
GLfloat vtx1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
GLfloat tex1[] = {
0, 1,
1, 1,
1, 0,
0, 0};
m_glShaderBottom2Scale.drawSurface(m_glBot2ScaleMatrix, tex1, vtx1, 4);
}
}
void GLScope::drawPolarGrid2()
{
QVector4D color(1.0f, 1.0f, 1.0f, (float) m_displayGridIntensity / 100.0f);
m_glShaderSimple.drawSegments(m_glScopeMatrix2, color, m_q3Radii.m_array, 2*8); // Radii
m_glShaderSimple.drawSegments(m_glScopeMatrix2, color, m_q3Circle.m_array, 2*96); // Unit circle
}
// inspired by http://slabode.exofire.net/circle_draw.shtml
void GLScope::drawCircle(float cx, float cy, float r, int num_segments, bool dotted, GLfloat *vertices)
{
float theta = 2*M_PI / float(num_segments);
float tangential_factor = tanf(theta); //calculate the tangential factor
float radial_factor = cosf(theta); //calculate the radial factor
float x = r; //we start at angle = 0
float y = 0;
for (int ii = 0; ii < num_segments; ii++)
{
//output vertex
if (dotted)
{
vertices[2*ii] = x + cx;
vertices[2*ii+1] = y + cy;
}
else
{
vertices[4*ii] = x + cx;
vertices[4*ii+1] = y + cy;
}
// calculate the tangential vector
// remember, the radial vector is (x, y)
// to get the tangential vector we flip those coordinates and negate one of them
float tx = -y;
float ty = x;
//add the tangential vector
x += tx * tangential_factor;
y += ty * tangential_factor;
//correct using the radial factor
x *= radial_factor;
y *= radial_factor;
if (!dotted)
{
vertices[4*ii+2] = x + cx;
vertices[4*ii+3] = y + cy;
}
}
}
// https://stackoverflow.com/questions/19452530/how-to-render-a-rainbow-spectrum
void GLScope::setColorPalette(int nbVertices, int modulo, GLfloat *colors)
{
for (int v = 0; v < nbVertices; v++)
{
int ci = modulo < 2 ? v : v % modulo;
int nbColors = modulo < 2 ? nbVertices : modulo;
float x = 0.8f*(((float) ci)/nbColors);
QColor c = QColor::fromHslF(x, 0.8f, 0.6f);
colors[3*v] = c.redF();
colors[3*v+1] = c.greenF();
colors[3*v+2] = c.blueF();
}
}
void GLScope::mousePressEvent(QMouseEvent* event)
{
if (m_displayMode == DisplayPol) { // Ignore mouse press on Polar displays
return;
}
const QPointF& ep = event->localPos(); // x, y pixel position in whole scope window
bool doUpdate = false;
if (event->button() == Qt::RightButton)
{
QPointF p1 = ep; // relative position in graph #1
p1.rx() = (ep.x()/width() - m_glScopeRect1.left()) / m_glScopeRect1.width();
p1.ry() = (ep.y()/height() - m_glScopeRect1.top()) / m_glScopeRect1.height();
QPointF p2 = ep; // relative position in graph #2
p2.rx() = (ep.x()/width() - m_glScopeRect2.left()) / m_glScopeRect2.width();
p2.ry() = (ep.y()/height() - m_glScopeRect2.top()) / m_glScopeRect2.height();
if (event->modifiers() & Qt::ShiftModifier)
{
if ((p1.x() >= 0) && (p1.y() >= 0) && (p1.x() <= 1) && (p1.y() <= 1))
{
m_markers1.clear();
doUpdate = true;
}
if ((p2.x() >= 0) && (p2.y() >= 0) && (p2.x() <= 1) && (p2.y() <= 1))
{
m_markers2.clear();
doUpdate = true;
}
}
else
{
if ((m_markers1.size() > 0) && (p1.x() >= 0) && (p1.y() >= 0) && (p1.x() <= 1) && (p1.y() <= 1))
{
m_markers1.pop_back();
doUpdate = true;
}
if ((m_markers2.size() > 0) && (p2.x() >= 0) && (p2.y() >= 0) && (p2.x() <= 1) && (p2.y() <= 1))
{
m_markers2.pop_back();
doUpdate = true;
}
}
}
else if (event->button() == Qt::LeftButton)
{
if (event->modifiers() & Qt::ShiftModifier)
{
QPointF p1 = ep; // relative position in graph #1
p1.rx() = (ep.x()/width() - m_glScopeRect1.left()) / m_glScopeRect1.width();
p1.ry() = (ep.y()/height() - m_glScopeRect1.top()) / m_glScopeRect1.height();
QPointF p2 = ep; // relative position in graph #2
p2.rx() = (ep.x()/width() - m_glScopeRect2.left()) / m_glScopeRect2.width();
p2.ry() = (ep.y()/height() - m_glScopeRect2.top()) / m_glScopeRect2.height();
if ((p1.x() >= 0) && (p1.y() >= 0) && (p1.x() <= 1) && (p1.y() <= 1) &&
((m_displayMode == DisplayX) || (m_displayMode == DisplayXYV) || (m_displayMode == DisplayXYH)))
{
if (m_markers1.size() < 2)
{
m_markers1.push_back(ScopeMarker());
m_markers1.back().m_point = p1;
m_markers1.back().m_time = p1.x() * m_x1Scale.getRange() + m_x1Scale.getRangeMin();
m_markers1.back().m_value = (1.0f - p1.y()) * m_y1Scale.getRange() + m_y1Scale.getRangeMin();
m_markers1.back().m_timeStr = displayScaled(m_markers1.back().m_time, 'f', 1);
m_markers1.back().m_valueStr = displayScaled(m_markers1.back().m_value, 'f', 1);
if (m_markers1.size() > 1)
{
float deltaTime = m_markers1.back().m_time - m_markers1.at(0).m_time;
float deltaValue = m_markers1.back().m_value - m_markers1.at(0).m_value;
m_markers1.back().m_timeDeltaStr = displayScaled(deltaTime, 'f', 1);
m_markers1.back().m_valueDeltaStr = displayScaled(deltaValue, 'f', 1);
}
qDebug("GLScope::mousePressEvent: M1: t: %f v: %f", m_markers1.back().m_time, m_markers1.back().m_value);
doUpdate = true;
}
}
if ((p2.x() >= 0) && (p2.y() >= 0) && (p2.x() <= 1) && (p2.y() <= 1) &&
((m_displayMode == DisplayY) || (m_displayMode == DisplayXYV) || (m_displayMode == DisplayXYH)))
{
if (m_markers2.size() < 2)
{
m_markers2.push_back(ScopeMarker());
m_markers2.back().m_point = p2;
m_markers2.back().m_time = p2.x() * m_x2Scale.getRange() + m_x2Scale.getRangeMin();
m_markers2.back().m_value = (1.0f - p2.y()) * m_y2Scale.getRange() + m_y2Scale.getRangeMin();
m_markers2.back().m_timeStr = displayScaled(m_markers2.back().m_time, 'f', 1);
m_markers2.back().m_valueStr = displayScaled(m_markers2.back().m_value, 'f', 1);
if (m_markers2.size() > 1)
{
float deltaTime = m_markers2.back().m_time - m_markers2.at(0).m_time;
float deltaValue = m_markers2.back().m_value - m_markers2.at(0).m_value;
m_markers2.back().m_timeDeltaStr = displayScaled(deltaTime, 'f', 1);
m_markers2.back().m_valueDeltaStr = displayScaled(deltaValue, 'f', 1);
}
qDebug("GLScope::mousePressEvent: M2: t: %f v: %f", m_markers2.back().m_time, m_markers2.back().m_value);
doUpdate = true;
}
}
}
}
if (doUpdate) {
update();
}
}
QString GLScope::displayScaled(float value, char type, int precision)
{
float posValue = (value < 0) ? -value : value;
if (posValue == 0)
{
return tr("%1").arg(QString::number(value, 'f', precision));
}
else if (posValue < 1)
{
if (posValue > 0.001) {
return tr("%1m").arg(QString::number(value * 1000.0, type, precision));
} else if (posValue > 0.000001) {
return tr("%1u").arg(QString::number(value * 1000000.0, type, precision));
} else if (posValue > 1e-9) {
return tr("%1n").arg(QString::number(value * 1e9, type, precision));
} else if (posValue > 1e-12) {
return tr("%1p").arg(QString::number(value * 1e12, type, precision));
} else {
return tr("%1").arg(QString::number(value, 'e', precision));
}
}
else
{
if (posValue < 1000) {
return tr("%1").arg(QString::number(value, type, precision));
} else if (posValue < 1000000) {
return tr("%1k").arg(QString::number(value / 1000.0, type, precision));
} else if (posValue < 1000000000) {
return tr("%1M").arg(QString::number(value / 1000000.0, type, precision));
} else if (posValue < 1000000000000) {
return tr("%1G").arg(QString::number(value / 1000000000.0, type, precision));
} else {
return tr("%1").arg(QString::number(value, 'e', precision));
}
}
}
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