tomwalters@116: // Copyright 2006-2010, Willem van Engen, Thomas Walters tomwalters@116: // tomwalters@116: // AIM-C: A C++ implementation of the Auditory Image Model tomwalters@116: // http://www.acousticscale.org/AIMC tomwalters@116: // tomwalters@116: // Licensed under the Apache License, Version 2.0 (the "License"); tomwalters@116: // you may not use this file except in compliance with the License. tomwalters@116: // You may obtain a copy of the License at tomwalters@116: // tomwalters@116: // http://www.apache.org/licenses/LICENSE-2.0 tomwalters@116: // tomwalters@116: // Unless required by applicable law or agreed to in writing, software tomwalters@116: // distributed under the License is distributed on an "AS IS" BASIS, tomwalters@116: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. tomwalters@116: // See the License for the specific language governing permissions and tomwalters@116: // limitations under the License. tomwalters@116: tomwalters@116: /*! tomwalters@116: * \file tomwalters@116: * \brief Time-representation graphics view tomwalters@116: * tomwalters@116: * \author Willem van Engen tomwalters@116: * \date created 2006/09/26 tomwalters@116: * \version \$Id: GraphicsViewTime.cpp 607 2008-06-25 00:14:14Z tom $ tomwalters@116: */ tomwalters@116: tomwalters@116: #include "Support/Common.h" tomwalters@116: tomwalters@116: #include tomwalters@116: tomwalters@116: #include "Support/SignalBank.h" tomwalters@116: #include "Modules/Output/Graphics/GraphicsView.h" tomwalters@116: #include "Modules/Output/Graphics/GraphicsViewTime.h" tomwalters@116: tomwalters@116: GraphicsViewTime::GraphicsViewTime(Parameters *pParam) tomwalters@116: : GraphicsView(pParam) { tomwalters@116: } tomwalters@116: tomwalters@116: GraphicsViewTime *GraphicsViewTime::Clone(GraphicsOutputDevice *pDev) { tomwalters@116: GraphicsViewTime *pView = new GraphicsViewTime(m_pParam); tomwalters@116: // Copy everything tomwalters@116: pView->m_pAxisX->SetDisplayRange(m_pAxisX->m_fMax, m_pAxisX->m_fMin); tomwalters@116: pView->m_pAxisX->SetDisplayScale(m_pAxisX->m_pScale->getType()); tomwalters@116: pView->m_pAxisY->SetDisplayRange(m_pAxisY->m_fMax, m_pAxisY->m_fMin); tomwalters@116: pView->m_pAxisY->SetDisplayScale(m_pAxisY->m_pScale->getType()); tomwalters@116: pView->m_pAxisFreq->SetDisplayRange(m_pAxisFreq->m_fMax, m_pAxisFreq->m_fMin); tomwalters@116: pView->m_pAxisFreq->SetDisplayScale(m_pAxisFreq->m_pScale->getType()); tomwalters@116: return pView; tomwalters@116: } tomwalters@116: tomwalters@116: void GraphicsViewTime::PlotAxes(const SignalBank &bank) { tomwalters@116: m_pDev->gColor3f(0.0f, 0.7f, 0.7f); tomwalters@116: // Vertical axis tomwalters@116: m_pDev->gBeginLineStrip(); tomwalters@116: m_pDev->gVertex2f(m_fMarginLeft, m_fMarginBottom); tomwalters@116: m_pDev->gVertex2f(m_fMarginLeft, 1.0f - m_fMarginTop); tomwalters@116: m_pDev->gEnd(); tomwalters@116: // Horizontal axis tomwalters@116: m_pDev->gBeginLineStrip(); tomwalters@116: m_pDev->gVertex2f(m_fMarginLeft, m_fMarginBottom); tomwalters@116: m_pDev->gVertex2f(1.0f-m_fMarginRight, m_fMarginBottom); tomwalters@116: m_pDev->gEnd(); tomwalters@116: tomwalters@116: if (!m_bPlotLabels) tomwalters@116: return; tomwalters@116: tomwalters@116: // Labels tomwalters@116: char sTxt[80]; tomwalters@116: snprintf(sTxt, sizeof(sTxt) / sizeof(sTxt[0]), tomwalters@116: _S("%s [%.0f..%.0f Hz, %s scale]"), tomwalters@116: m_pAxisFreq->m_sLabel ? m_pAxisFreq->m_sLabel : "", tomwalters@116: m_pAxisFreq->m_fMin, m_pAxisFreq->m_fMax, tomwalters@116: m_pAxisFreq->m_pScale->getName()); tomwalters@116: m_pDev->gText2f(0.0025f, 0.35f, sTxt, true); tomwalters@116: if (m_bPlotScaled) { tomwalters@116: snprintf(sTxt, sizeof(sTxt) / sizeof(sTxt[0]), tomwalters@116: _S("%s [cycles, %s scale]"), tomwalters@116: m_pAxisX->m_sLabel ? m_pAxisX->m_sLabel : "", tomwalters@116: m_pAxisX->m_pScale->getName()); tomwalters@116: } else { tomwalters@116: snprintf(sTxt, sizeof(sTxt) / sizeof(sTxt[0]), tomwalters@116: _S("%s [%.2f..%.2f ms, %s scale]"), tomwalters@116: m_pAxisX->m_sLabel ? m_pAxisX->m_sLabel : "", tomwalters@116: m_pAxisX->m_fMin, tomwalters@116: m_pAxisX->m_fMax, tomwalters@116: m_pAxisX->m_pScale->getName()); tomwalters@116: } tomwalters@116: m_pDev->gText2f(m_fMarginLeft, 0.0025f, sTxt, false); tomwalters@116: tomwalters@116: // Frame time tomwalters@116: snprintf(sTxt, sizeof(sTxt)/sizeof(sTxt[0]), _S("t=%.0f ms"), tomwalters@116: pBank->getSampleTime(0)); tomwalters@116: m_pDev->gText2f(0.8f, 0.0025f, sTxt, false); tomwalters@116: } tomwalters@116: tomwalters@116: void GraphicsViewTime::PlotData(const vector &signal, tomwalters@116: float sample_rate, tomwalters@116: float yOffset, tomwalters@116: float height, tomwalters@116: float xScale) { tomwalters@116: AIM_ASSERT(pSig); tomwalters@116: AIM_ASSERT(xScale >= 0 && xScale <= 1); tomwalters@116: AIM_ASSERT(height > 0 && height <= 1); tomwalters@116: AIM_ASSERT(yOffset >= 0 && yOffset <= 1); tomwalters@116: AIM_ASSERT(m_pAxisX && m_pAxisX->m_pScale); tomwalters@116: AIM_ASSERT(m_pAxisY && m_pAxisY->m_pScale); tomwalters@116: tomwalters@116: // Make sure we get time is ms as x value tomwalters@116: xScale *= 1000.0 / sample_rate; tomwalters@116: m_pDev->gColor3f(1.0f, 1.0f, 0.8f); tomwalters@116: BeginDataStrip(); tomwalters@116: tomwalters@116: // Draw the signal. tomwalters@116: float x = 0; tomwalters@116: float y = 0; tomwalters@116: for (int i = 0; i < signal.size(); i++) { tomwalters@116: // Find out where to draw and do so tomwalters@116: x = xScale * i; tomwalters@116: y = signal[i]; tomwalters@116: x = m_pAxisX->m_pScale->FromLinearScaled(x) + 0.5f; tomwalters@116: y = m_pAxisY->m_pScale->FromLinearScaled(y); tomwalters@116: tomwalters@116: if (x < 0.0) tomwalters@116: continue; tomwalters@116: tomwalters@116: // Now fit it into the drawing area tomwalters@116: x = x * (1.0f - m_fMarginLeft - m_fMarginRight) + m_fMarginLeft; // fit inside x-axis area tomwalters@116: PlotDataPoint(x, yOffset, y, height, false); tomwalters@116: /* There's no point in drawing anything when x>1.0, outside of view. tomwalters@116: * x is continuously increasing, so we can just stop completely. We need to tomwalters@116: * plot this point however, to finish the final line. */ tomwalters@116: if (x > 1.0) tomwalters@116: break; tomwalters@116: } tomwalters@116: // Redraw the last point in case it's needed tomwalters@116: PlotDataPoint(x, yOffset, y, height, true); tomwalters@116: tomwalters@116: m_pDev->gEnd(); tomwalters@116: }