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#include "emb-thread.h"
#include "emb-logging.h"
#include <stdio.h>
#include <stdlib.h>
int embThread_findNearestColor(EmbColor color, EmbThreadList* colors)
{
double currentClosestValue = 9999999;
int closestIndex = -1;
int red = color.r;
int green = color.g;
int blue = color.b;
int i = 0;
EmbThreadList* currentThreadItem = colors;
while(currentThreadItem != NULL)
{
int deltaRed;
int deltaBlue;
int deltaGreen;
double dist;
EmbColor c;
c = currentThreadItem->thread.color;
deltaRed = red - c.r;
deltaBlue = green - c.g;
deltaGreen = blue - c.b;
dist = sqrt((double)(deltaRed * deltaRed) + (deltaBlue * deltaBlue) + (deltaGreen * deltaGreen));
if(dist <= currentClosestValue)
{
currentClosestValue = dist;
closestIndex = i;
}
currentThreadItem = currentThreadItem->next;
i++;
}
return closestIndex;
}
int embThread_findNearestColorInArray(EmbColor color, EmbThread* colorArray, int count)
{
double currentClosestValue = 9999999;
int closestIndex = -1;
int red = color.r;
int green = color.g;
int blue = color.b;
int i = 0;
for(i = 0; i < count; i++)
{
int deltaRed;
int deltaBlue;
int deltaGreen;
double dist;
EmbColor c;
c = colorArray[i].color;
deltaRed = red - c.r;
deltaBlue = green - c.g;
deltaGreen = blue - c.b;
dist = sqrt((double)(deltaRed * deltaRed) + (deltaBlue * deltaBlue) + (deltaGreen * deltaGreen));
if(dist <= currentClosestValue)
{
currentClosestValue = dist;
closestIndex = i;
}
}
return closestIndex;
}
EmbThread embThread_getRandom(void)
{
EmbThread c;
c.color.r = rand()%256;
c.color.g = rand()%256;
c.color.b = rand()%256;
c.description = "random";
c.catalogNumber = "";
return c;
}
EmbThreadList* embThreadList_create(EmbThread data)
{
EmbThreadList* heapThreadList = (EmbThreadList*)malloc(sizeof(EmbThreadList));
if(!heapThreadList) { embLog_error("emb-thread.c embThreadList_create(), cannot allocate memory for heapThreadList\n"); return 0; }
heapThreadList->thread = data;
heapThreadList->next = 0;
return heapThreadList;
}
EmbThreadList* embThreadList_add(EmbThreadList* pointer, EmbThread data)
{
if(!pointer) { embLog_error("emb-thread.c embThreadList_add(), pointer argument is null\n"); return 0; }
if(pointer->next) { embLog_error("emb-thread.c embThreadList_add(), pointer->next should be null\n"); return 0; }
pointer->next = (EmbThreadList*)malloc(sizeof(EmbThreadList));
if(!pointer->next) { embLog_error("emb-thread.c embThreadList_add(), cannot allocate memory for pointer->next\n"); return 0; }
pointer = pointer->next;
pointer->thread = data;
pointer->next = 0;
return pointer;
}
EmbThread embThreadList_getAt(EmbThreadList* pointer, int num)
{
/* TODO: pointer safety */
int i = 0;
for(i = 0; i < num; i++)
{
if(pointer->next)
{
pointer = pointer->next;
}
}
return pointer->thread;
}
int embThreadList_count(EmbThreadList* pointer)
{
int i = 1;
if(!pointer) return 0;
while(pointer->next)
{
pointer = pointer->next;
i++;
}
return i;
}
int embThreadList_empty(EmbThreadList* pointer)
{
if(!pointer)
return 1;
return 0;
}
void embThreadList_free(EmbThreadList* pointer)
{
EmbThreadList* tempPointer = pointer;
EmbThreadList* nextPointer = 0;
while(tempPointer)
{
nextPointer = tempPointer->next;
free(tempPointer);
tempPointer = nextPointer;
}
pointer = 0;
}
/* kate: bom off; indent-mode cstyle; indent-width 4; replace-trailing-space-save on; */
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