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New scope: polar display

This commit is contained in:
f4exb 2017-02-15 02:45:18 +01:00
parent 8c0f4681f5
commit 534b2ed0cf
1 changed files with 32 additions and 1 deletions
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33
sdrbase/gui/glscopeng.cpp
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@ -827,11 +827,42 @@ void GLScopeNG::paintGL()
if(end - start < 2)
start--;
for (int i = 0; i < m_traces->size(); i++)
GLfloat q3[2*(end - start)];
const float *trace0 = (*m_traces)[0];
//memcpy(q3, &(trace0[1]), (2*(end - start) - 1)*sizeof(float)); // copy X values
for (int i = 1; i < m_traces->size(); i++)
{
const float *trace = (*m_traces)[i];
const ScopeVisNG::TraceData& traceData = (*m_tracesData)[i];
for(int i = start; i < end; i++)
{
float x = trace0[2*(i-start)+1];
float y = trace[2*(i-start)+1];
if(x > 1.0f)
x = 1.0f;
else if(x < -1.0f)
x = -1.0f;
if(y > 1.0f)
y = 1.0f;
else if(y < -1.0f)
y = -1.0f;
q3[2*(i-start)] = x;
q3[2*(i-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);
m_glShaderSimple.drawPolyline(mat, color, q3, end -start);
} // XY polar display
} // trace length > 0
} // XY mixed + polar display