Mercurial > hg > aimc
diff trunk/src/Modules/Output/Graphics/GraphicsViewTime.cc @ 397:7a573750b186
- First add of a lot of graphics code from the old version. Not working yet, not even compiling yet.
author | tomwalters |
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date | Fri, 15 Oct 2010 05:40:53 +0000 |
parents | |
children | 3ee03a6b95a0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/trunk/src/Modules/Output/Graphics/GraphicsViewTime.cc Fri Oct 15 05:40:53 2010 +0000 @@ -0,0 +1,139 @@ +// Copyright 2006-2010, Willem van Engen, Thomas Walters +// +// AIM-C: A C++ implementation of the Auditory Image Model +// http://www.acousticscale.org/AIMC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +/*! + * \file + * \brief Time-representation graphics view + * + * \author Willem van Engen <cnbh@willem.engen.nl> + * \date created 2006/09/26 + * \version \$Id: GraphicsViewTime.cpp 607 2008-06-25 00:14:14Z tom $ + */ + +#include "Support/Common.h" + +#include <stdio.h> + +#include "Support/SignalBank.h" +#include "Modules/Output/Graphics/GraphicsView.h" +#include "Modules/Output/Graphics/GraphicsViewTime.h" + +GraphicsViewTime::GraphicsViewTime(Parameters *pParam) + : GraphicsView(pParam) { +} + +GraphicsViewTime *GraphicsViewTime::Clone(GraphicsOutputDevice *pDev) { + GraphicsViewTime *pView = new GraphicsViewTime(m_pParam); + // Copy everything + pView->m_pAxisX->SetDisplayRange(m_pAxisX->m_fMax, m_pAxisX->m_fMin); + pView->m_pAxisX->SetDisplayScale(m_pAxisX->m_pScale->getType()); + pView->m_pAxisY->SetDisplayRange(m_pAxisY->m_fMax, m_pAxisY->m_fMin); + pView->m_pAxisY->SetDisplayScale(m_pAxisY->m_pScale->getType()); + pView->m_pAxisFreq->SetDisplayRange(m_pAxisFreq->m_fMax, m_pAxisFreq->m_fMin); + pView->m_pAxisFreq->SetDisplayScale(m_pAxisFreq->m_pScale->getType()); + return pView; +} + +void GraphicsViewTime::PlotAxes(const SignalBank &bank) { + m_pDev->gColor3f(0.0f, 0.7f, 0.7f); + // Vertical axis + m_pDev->gBeginLineStrip(); + m_pDev->gVertex2f(m_fMarginLeft, m_fMarginBottom); + m_pDev->gVertex2f(m_fMarginLeft, 1.0f - m_fMarginTop); + m_pDev->gEnd(); + // Horizontal axis + m_pDev->gBeginLineStrip(); + m_pDev->gVertex2f(m_fMarginLeft, m_fMarginBottom); + m_pDev->gVertex2f(1.0f-m_fMarginRight, m_fMarginBottom); + m_pDev->gEnd(); + + if (!m_bPlotLabels) + return; + + // Labels + char sTxt[80]; + snprintf(sTxt, sizeof(sTxt) / sizeof(sTxt[0]), + _S("%s [%.0f..%.0f Hz, %s scale]"), + m_pAxisFreq->m_sLabel ? m_pAxisFreq->m_sLabel : "", + m_pAxisFreq->m_fMin, m_pAxisFreq->m_fMax, + m_pAxisFreq->m_pScale->getName()); + m_pDev->gText2f(0.0025f, 0.35f, sTxt, true); + if (m_bPlotScaled) { + snprintf(sTxt, sizeof(sTxt) / sizeof(sTxt[0]), + _S("%s [cycles, %s scale]"), + m_pAxisX->m_sLabel ? m_pAxisX->m_sLabel : "", + m_pAxisX->m_pScale->getName()); + } else { + snprintf(sTxt, sizeof(sTxt) / sizeof(sTxt[0]), + _S("%s [%.2f..%.2f ms, %s scale]"), + m_pAxisX->m_sLabel ? m_pAxisX->m_sLabel : "", + m_pAxisX->m_fMin, + m_pAxisX->m_fMax, + m_pAxisX->m_pScale->getName()); + } + m_pDev->gText2f(m_fMarginLeft, 0.0025f, sTxt, false); + + // Frame time + snprintf(sTxt, sizeof(sTxt)/sizeof(sTxt[0]), _S("t=%.0f ms"), + pBank->getSampleTime(0)); + m_pDev->gText2f(0.8f, 0.0025f, sTxt, false); +} + +void GraphicsViewTime::PlotData(const vector<float> &signal, + float sample_rate, + float yOffset, + float height, + float xScale) { + AIM_ASSERT(pSig); + AIM_ASSERT(xScale >= 0 && xScale <= 1); + AIM_ASSERT(height > 0 && height <= 1); + AIM_ASSERT(yOffset >= 0 && yOffset <= 1); + AIM_ASSERT(m_pAxisX && m_pAxisX->m_pScale); + AIM_ASSERT(m_pAxisY && m_pAxisY->m_pScale); + + // Make sure we get time is ms as x value + xScale *= 1000.0 / sample_rate; + m_pDev->gColor3f(1.0f, 1.0f, 0.8f); + BeginDataStrip(); + + // Draw the signal. + float x = 0; + float y = 0; + for (int i = 0; i < signal.size(); i++) { + // Find out where to draw and do so + x = xScale * i; + y = signal[i]; + x = m_pAxisX->m_pScale->FromLinearScaled(x) + 0.5f; + y = m_pAxisY->m_pScale->FromLinearScaled(y); + + if (x < 0.0) + continue; + + // Now fit it into the drawing area + x = x * (1.0f - m_fMarginLeft - m_fMarginRight) + m_fMarginLeft; // fit inside x-axis area + PlotDataPoint(x, yOffset, y, height, false); + /* There's no point in drawing anything when x>1.0, outside of view. + * x is continuously increasing, so we can just stop completely. We need to + * plot this point however, to finish the final line. */ + if (x > 1.0) + break; + } + // Redraw the last point in case it's needed + PlotDataPoint(x, yOffset, y, height, true); + + m_pDev->gEnd(); +}