hyperion.ng/libsrc/hyperionpng/hyperion-png.cpp

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// STL includes
#include <fstream>
#include <sstream>
#include <iostream>
// Boblight includes
#include <boblight.h>
// PNGWriter includes
#define NO_FREETYPE
#include "pngwriter.h"
struct RaspiPng
{
pngwriter writer;
unsigned long fileIndex;
unsigned frameCnt;
std::ofstream logFile;
};
void* boblight_init()
{
RaspiPng* raspiPng = new RaspiPng();
raspiPng->writer.pngwriter_rename("/home/pi/RASPI_0000.png");
raspiPng->fileIndex = 0;
raspiPng->frameCnt = 0;
raspiPng->logFile.open("/home/pi/raspipng.log");
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return reinterpret_cast<void*>(raspiPng);
}
void boblight_destroy(void* vpboblight)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
raspiPng->logFile.close();
delete raspiPng;
}
void boblight_setscanrange(void* vpboblight, int width, int height)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << "(" << width << ", " << height << ")" << std::endl;
raspiPng->writer.resize(width, height);
}
void boblight_addpixelxy(void* vpboblight, int x, int y, int* rgb)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
if (raspiPng->frameCnt%50 == 0)
{
// NB libpngwriter uses a one-based indexing scheme
raspiPng->writer.plot(x+1,y+1, rgb[0]/255.0, rgb[1]/255.0, rgb[2]/255.0);
}
}
int boblight_sendrgb(void* vpboblight, int sync, int* outputused)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << "(" << sync << ", outputused) FRAME " << raspiPng->frameCnt++ << std::endl;
if (raspiPng->frameCnt%50 == 0)
{
// Write-out the current frame and prepare for the next
raspiPng->writer.write_png();
++raspiPng->fileIndex;
char filename[64];
sprintf(filename, "/home/pi/RASPI_%04ld.png", raspiPng->fileIndex);
raspiPng->writer.pngwriter_rename(filename);
}
return 1;
}
int boblight_connect(void* vpboblight, const char* address, int port, int usectimeout)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return 1;
}
int boblight_setpriority(void* vpboblight, int priority)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return 1;
}
const char* boblight_geterror(void* vpboblight)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return "ERROR";
}
int boblight_getnrlights(void* vpboblight)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return 50;
}
const char* boblight_getlightname(void* vpboblight, int lightnr)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return "LIGHT";
}
int boblight_getnroptions(void* vpboblight)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return 1;
}
const char* boblight_getoptiondescript(void* vpboblight, int option)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return "";
}
int boblight_setoption(void* vpboblight, int lightnr, const char* option)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return 1;
}
int boblight_getoption(void* vpboblight, int lightnr, const char* option, const char** output)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return 1;
}
int boblight_addpixel(void* vpboblight, int lightnr, int* rgb)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return 1;
}
int boblight_ping(void* vpboblight, int* outputused)
{
RaspiPng* raspiPng = reinterpret_cast<RaspiPng*>(vpboblight);
raspiPng->logFile << __PRETTY_FUNCTION__ << std::endl;
return 1;
}