QSORT对位图颜色排序排成了这样，哪位大侠能帮我看看啊

[lyp371]

int getCV(TColor color)
{
	int r,g,b;
	r=GetRValue(color);
	g=GetGValue(color);
	b=GetBValue(color);
	return(r*0x00010000+g*0x00000100+b);
}
void qsortbmp(TBitmap *map,int left,int right)
{

	if(left >= right) return;
	int i = left,j = right;
	int temp;
	//int key = a[left];//取首元素为关键值
	int key = getCV(map->Canvas->Pixels[((left + right)/2)%map->Width][int((left + right) / 2/map->Width)]);

	while(i<=j)
	{

		while( getCV(map->Canvas->Pixels[j%map->Width][int(j/map->Width)])>key&&j>left)
			j--;
		while(getCV(map->Canvas->Pixels[i%map->Width][int(i/map->Width)])<key&&i<right)
			i++;
		if(i<=j)
		{
			temp = map->Canvas->Pixels[i%map->Width][int(i/map->Width)];
			map->Canvas->Pixels[i%map->Width][int(i/map->Width)] = map->Canvas->Pixels[j%map->Width][int(j/map->Width)];
			map->Canvas->Pixels[j%map->Width][int(j/map->Width)] = temp;
			i++;
			j--;
		}

	}
	if(left<j) qsortbmp(map,left,j);
	if(right>i)qsortbmp(map,i,right);
}