comparison src/Modules/Output/Graphics/GraphicsViewTime.cc @ 116:47b009f2c936

- First add of a lot of graphics code from the old version. Not working yet, not even compiling yet.

+// 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 <[e-mail]>
+ * \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();
+}