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

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

+// Copyright 2006, Willem van Engen
+//
+// 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.
+
+#include "Support/Common.h"
+#include <string.h>
+#include <stdio.h>
+
+#include "Modules/Output/Graphics/GraphAxisSpec.h"
+
+GraphAxisSpec::GraphAxisSpec(float fMin, float fMax, Scale::ScaleType iScale) {
+	m_pScale = NULL;
+	m_sLabel = NULL;
+	SetDisplayRange(fMin, fMax);
+	SetDisplayScale(iScale);
+}
+
+GraphAxisSpec::GraphAxisSpec() {
+	m_pScale = NULL;
+	m_sLabel = NULL;
+	m_fMin = 0;
+	m_fMax = 0;
+}
+
+GraphAxisSpec::~GraphAxisSpec() {
+	DELETE_IF_NONNULL(m_pScale);
+}
+
+void GraphAxisSpec::SetDisplayRange(float fMin, float fMax) {
+	AIM_ASSERT(fMin <= fMax);
+	m_fMin = fMin;
+	m_fMax = fMax;
+	if (m_pScale)
+		m_pScale->FromLinearScaledExtrema(m_fMin, m_fMax);
+}
+
+void GraphAxisSpec::SetDisplayScale(Scale::ScaleType iScale) {
+	DELETE_IF_NONNULL(m_pScale);
+	m_pScale = Scale::Create(iScale);
+	aimASSERT(m_pScale);
+	m_pScale->FromLinearScaledExtrema(m_fMin, m_fMax);
+}
+
+bool GraphAxisSpec::Initialize(Parameters *parameters,
+                               const char *sPrefix,
+                               float fMin,
+                               float fMax,
+                               Scale::ScaleType iScale) {
+	AIM_ASSERT(pParam);
+	AIM_ASSERT(sPrefix && sPrefix[0]!='\0');
+	char sParamName[Parameters::MaxParamNameLength];
+
+	//! The following parameters are recognized for each axis:
+	//!   - \c "<prefix>.min", the minimum value; a float or \c 'auto'
+	snprintf(sParamName, sizeof(sParamName)/sizeof(sParamName[0]),
+          "%s.min",
+          sPrefix);
+	if (pParam->IsSet(sParamName)) {
+		if (strcmp(parameters->GetString(sParamName), "auto") == 0)
+			m_fMin = fMin;
+		else
+			m_fMin = parameters->GetFloat(sParamName);
+	}
+
+	//!   - \c "<prefix>.max", the maximum value; a float or \c 'auto'
+	snprintf(sParamName, sizeof(sParamName)/sizeof(sParamName[0]),
+          "%s.max",
+          sPrefix);
+	if (pParam->IsSet(sParamName)) {
+		if (strcmp(parameters->GetString(sParamName), "auto")==0)
+			m_fMax = fMax;
+		else
+			m_fMax = parameters->GetFloat(sParamName);
+	}
+
+	// Make sure ranges are updated properly
+	SetDisplayRange(m_fMin, m_fMax);
+
+	//!   - \c "<prefix>.scale", the scale; one of \c 'auto',
+  //!     \c 'linear', \c 'erb' or \c 'log'
+	snprintf(sParamName, sizeof(sParamName)/sizeof(sParamName[0]),
+           "%s.scale",
+           sPrefix);
+	if (pParam->IsSet(sParamName)) {
+		// Scale change, we updated min/max values already so no need to
+		Scale::ScaleType iThisScale;
+		const char *sVal = parameters->GetString(sParamName);
+		if (strcmp(sVal, "auto")==0)
+			iThisScale = iScale;
+		else if (strcmp(sVal, "linear")==0)
+			iThisScale = Scale::SCALE_LINEAR;
+		else if (strcmp(sVal, "erb")==0)
+			iThisScale = Scale::SCALE_ERB;
+		else if (strcmp(sVal, "log")==0)
+			iThisScale = Scale::SCALE_LOG;
+		else {
+			AIM_ERROR(_T("Unrecognized scale type in parameter '%s': '%s'"),
+                  sParamName,
+                  sVal);
+			return false;
+		}
+		SetDisplayScale(iThisScale);
+	}
+
+	//!   - \c "<prefix>.label", the label; a string
+	snprintf(sParamName, sizeof(sParamName)/sizeof(sParamName[0]),
+           "%s.label",
+           sPrefix);
+	if (parameters->IsSet(sParamName))
+		m_sLabel = parameters->GetString(sParamName); // Assumes strings remains valid
+
+	return true;
+}