al_Printing.hpp

#ifndef INCLUDE_AL_SYSTEM_PRINTING_H
#define INCLUDE_AL_SYSTEM_PRINTING_H
 
/*  Allocore --
  Multimedia / virtual environment application class library
 
  Copyright (C) 2009. AlloSphere Research Group, Media Arts & Technology, UCSB.
  Copyright (C) 2012. The Regents of the University of California.
  All rights reserved.
 
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:
 
    Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.
 
    Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
 
    Neither the name of the University of California nor the names of its
    contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.
 
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  POSSIBILITY OF SUCH DAMAGE.
 
 
  File description:
  Various routines for printing text to files, standard output, etc.
 
  File author(s):
  Lance Putnam, 2010, putnam.lance@gmail.com
*/
 
#include <stdio.h>
#include <cstdint>
#ifdef AL_WINDOWS
#define AL_PRINTF_LL "I64"
#else
#define AL_PRINTF_LL "ll"
#endif
 
// #define AL_STRINGIFY(...) #__VA_ARGS__
// #define AL_DEBUGLN printf("In %s: line %d\n", __FILE__, __LINE__);
 
namespace al {
 
char intensityToASCII(float v);
 
 
template <typename T>
void print(const T* arr, int size, const char* append = "");
 
 
template <typename T>
void println(const T* arr, int size) {
  print(arr, size, "\n");
}
 
 
template <typename T>
void print(const T& v, const char* append = "") {
  print(&v, 1, append);
}
 
template <typename T>
void println(const T& v) {
  print(v, "\n");
}
 
 
template <class T>
void print2D(const T* arr, int nx, int ny, FILE* fp = stdout);
 
 
void printPlot(float value, uint32_t width = 50, bool spaces = true,
               const char* point = "o");
 
void err(const char* msg, const char* src = "", bool exits = true);
 
#define AL_WARN(fmt, ...) \
  ::al::_warn(__FILE__, __LINE__, fmt "\n", ##__VA_ARGS__)
 
#define AL_WARN_ONCE(fmt, ...) \
  ::al::_warnOnce(__FILE__, __LINE__, fmt "\n", ##__VA_ARGS__)
 
void _warn(const char* fileName, int lineNumber, const char* fmt, ...);
void _warnOnce(const char* fileName, int lineNumber, const char* fmt, ...);
 
// Implementation --------------------------------------------------------------
 
inline char intensityToASCII(float v) {
  static const char map[] =
      " .,;-~_+<>i!lI?/|)(1}{][rcvunxzjftLCJUYXZO0Qoahkbdpqwm*WMB8&%$#@";
  //"$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|()1{}[]?-_+~<>i!lI;:,\"^`'. ";
  //   123456789.123456789.123456789.123456789.123456789.123456789.1234
  static const int N = sizeof(map) - 1;
  v = v < 0 ? 0 : (v > 0.9999999f ? 0.9999999f : v);
  return map[int(N * v)];
}
 
#define DEF_PRINT(T, code)                                           \
  template <>                                                        \
  inline void print<T>(const T* arr, int size, const char* append) { \
    for (int i = 0; i < size; ++i) {                                 \
      printf(code " ", arr[i]);                                      \
    }                                                                \
    if (append[0]) printf("%s", append);                             \
  }
 
DEF_PRINT(float, "%g")
DEF_PRINT(double, "%g")
DEF_PRINT(char, "%d")
DEF_PRINT(unsigned char, "%u")
DEF_PRINT(short, "%d")
DEF_PRINT(unsigned short, "%u")
DEF_PRINT(int, "%d")
DEF_PRINT(unsigned int, "%u")
DEF_PRINT(long, "%ld")
DEF_PRINT(unsigned long, "%lu")
DEF_PRINT(long long, "%" AL_PRINTF_LL "d")
DEF_PRINT(unsigned long long, "%" AL_PRINTF_LL "u")
 
#undef DEF_PRINT
 
template <class T>
void print2D(const T* pix, int nx, int ny, FILE* fp) {
  for (int j = 0; j < nx; ++j) {
    for (int i = 0; i < ny; ++i) {
      float v = pix[j * nx + i];
      fprintf(fp, "%c ", intensityToASCII(v));
    }
    printf("\n");
  }
}
 
}  // namespace al
 
#endif