HuchidoriMaker/GetPixelData.cpp at experience · suikameronn/HuchidoriMaker · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
#pragma once
#include "GetPixelData.h"

GetPixelData::GetPixelData(int w, int h): width(w),height(h)
{
}

void GetPixelData::copyAlpha(FIBITMAP* image, std::vector<int> &edgeLoc)
{
	int i, j,count = 0;

	int tmp;
	for (i = 1; i < height - 1; i++)
	{
		for (j = 1; j < width - 1; j++)
		{
			tmp = 0;

			FreeImage_GetPixelColor(image, j, i, &color);
			tmp -= color.rgbReserved * 8;

			FreeImage_GetPixelColor(image, j + 1, i, &color);
			tmp += color.rgbReserved;
			FreeImage_GetPixelColor(image, j - 1, i, &color);
			tmp += color.rgbReserved;
			FreeImage_GetPixelColor(image, j, i + 1, &color);
			tmp += color.rgbReserved;
			FreeImage_GetPixelColor(image, j, i - 1, &color);
			tmp += color.rgbReserved;

			FreeImage_GetPixelColor(image, j + 1, i - 1, &color);
			tmp += color.rgbReserved;
			FreeImage_GetPixelColor(image, j - 1, i - 1, &color);
			tmp += color.rgbReserved;
			FreeImage_GetPixelColor(image, j + 1, i + 1, &color);
			tmp += color.rgbReserved;
			FreeImage_GetPixelColor(image, j - 1, i + 1, &color);
			tmp += color.rgbReserved;

			if (tmp != 0)
			{
				edgeLoc[count] = j + i * width;
				count++;
			}
		}
	}

	std::vector<int> r(width * height - count);
	edgeLoc.erase(remove_if(edgeLoc.begin(), edgeLoc.end(), [](const int i) {return i == -1; }), edgeLoc.end());
	edgeLoc.shrink_to_fit();

}

int GetPixelData::getWidth()
{
	return width;
}

int GetPixelData::getHeight()
{
	return height;
}