annotate src/Modules/Output/Graphics/GraphAxisSpec.cc @ 611:0fbaf443ec82

Carfac C++ revision 3, indluding more style improvements. The output structs are now classes again, and have separate storage methods for each output structure along with flags in the Run and RunSegment methods to allow for only storing NAPs if desired.

// 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"

namespace aimc {

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);
  AIM_ASSERT(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(parameters);
  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 (strcmp(parameters->DefaultString(sParamName, "auto"), "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 (strcmp(parameters->DefaultString(sParamName, "auto"), "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);
  // Scale change, we updated min/max values already so no need to
  Scale::ScaleType iThisScale;
  const char *sVal = parameters->DefaultString(sParamName, "auto");
  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 {
    LOG_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);
  m_sLabel = parameters->DefaultString(sParamName, ""); // Assumes strings remains valid

  return true;
}
}  // namespace aimc