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| void CMFC_LabWork_2View::OnDraw(CDC* pDC)
{
CMFC_LabWork_2Doc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (!pDoc)
return;
// TODO: add draw code for native data here
struct BITMAPFILEHEADER {
char bfType[2];
unsigned int bfSize;
short int bfReserved1;
short int bfReserved2;
unsigned int bfOffBits;
};
struct BITMAPINFOHEADER {
unsigned int biSize;
unsigned int biWidth;
unsigned int biHeight;
short int biPlanes;
short int biBitCount;
unsigned int biCompression;
unsigned int biSizeImage;
unsigned int biXPelsPerMeter;
unsigned int biYPelsPerMeter;
unsigned int biClrUsed;
unsigned int biClrImportant;
};
struct Pallete {
unsigned char R;
unsigned char G;
unsigned char B;
unsigned char Z;
};
FILE* f;
//FILE* f1;
int NBPP;
f = fopen("D:/Documents/test.bmp", "rb"); //путь до файла .bmp
//f1 = fopen("F:/Documents/2.txt", "wt"); //путь до txt файла
ofstream f1;
f1.open("D:/Documents/source.txt", ios::out);
BITMAPFILEHEADER antet_fis;
BITMAPINFOHEADER antet_img;
fread(&antet_fis.bfType[0], sizeof (char), 1, f);
f1 << antet_fis.bfType[0];
fread(&antet_fis.bfType[1], sizeof (char), 1, f);
f1 << antet_fis.bfType[1];
if ((antet_fis.bfType[0] != 'B') || (antet_fis.bfType[1] != 'M')) {
CString mes1(CString("Format not available!"));
AfxMessageBox(mes1);
return;
}
fread(&antet_fis.bfSize, sizeof (int), 1, f);
f1 << antet_fis.bfSize;
fread(&antet_fis.bfReserved1, sizeof (short int), 1, f);
f1 << antet_fis.bfReserved1;
fread(&antet_fis.bfReserved2, sizeof (short int), 1, f);
f1 << antet_fis.bfReserved2;
fread(&antet_fis.bfOffBits, sizeof (int), 1, f);
f1 << antet_fis.bfOffBits;
/*===============================================
unsigned int biSize;
unsigned int biWidth;
unsigned int biHeight;
short int biPlanes;
short int biBitCount;
unsigned int biCompression;
unsigned int biSizeImage;
unsigned int biXPelsPerMeter;
unsigned int biYPelsPerMeter;
unsigned int biClrUsed;
unsigned int biClrImportant;
===============================================*/
fread(&antet_img.biSize, sizeof (int), 1, f);
fread(&antet_img.biWidth, sizeof (int), 1, f);
fread(&antet_img.biHeight, sizeof (int), 1, f);
fread(&antet_img.biPlanes, sizeof (short int), 1, f);
fread(&antet_img.biBitCount, sizeof (short int), 1, f);
fread(&antet_img.biCompression, sizeof (int), 1, f);
fread(&antet_img.biSizeImage, sizeof (int), 1, f);
fread(&antet_img.biXPelsPerMeter, sizeof (int), 1, f);
fread(&antet_img.biYPelsPerMeter, sizeof (int), 1, f);
fread(&antet_img.biClrUsed, sizeof (int), 1, f);
f1 << antet_img.biClrUsed;
fread(&antet_img.biClrImportant, sizeof (int), 1, f);
NBPP = antet_img.biBitCount;
if (NBPP != 4) {
CString mes1("Изображение не 4 b/p");
AfxMessageBox(mes1);
return;
}
/*===============================================
Количество цветов в Pallete
===============================================*/
int n_colors = antet_img.biClrUsed;
if (n_colors == 0) {
n_colors = 16;
}
/*===============================================
Читаем нашу Pallete
===============================================*/
Pallete *pall = new Pallete[n_colors];
for (int i = 0; i < n_colors; i++) {
fread(&(pall[i].R), 1, 1, f);
fread(&(pall[i].G), 1, 1, f);
fread(&(pall[i].B), 1, 1, f);
fread(&(pall[i].Z), 1, 1, f);
f1 << pall[i].R << pall[i].G << pall[i].B;
//f1 << "pall[" << i << "] для R: " << pall[i].R << endl;
//f1 << "pall[" << i << "] для G: " << pall[i].G << endl;
//f1 << "pall[" << i << "] для B: " << pall[i].B << endl;
//f1 << "pall[" << i << "] для Z: " << pall[i].Z << endl; не используется
}
int octaves;
/*===============================================
Количество октет в изображении 4 b/p
===============================================*/
octaves = (antet_img.biWidth + 1) / 2 + ((antet_img.biWidth + 1) / 2) % 4;
/*===============================================
Место занимаемое изображением
===============================================*/
unsigned char *perImage = new unsigned char[antet_img.biHeight*octaves];
/*===============================================
Читаем изображение
===============================================*/
fread(perImage, octaves, antet_img.biHeight, f);
fclose(f);
/*===============================================
Рисуем изображение
===============================================*/
unsigned char *p = perImage + octaves*(antet_img.biHeight - 1);
unsigned char col;
//f1 << "Цвета: " << endl;
for (unsigned int i = 0; i < antet_img.biHeight; i++) {
for (unsigned int j = 0; j < antet_img.biWidth; j++) {
unsigned char c = p[j / 2];
col = (j % 2) ? (c & 0XF0) : (c & 0XF0) >> 4;
pDC->SetPixel(j, i, RGB(pall[col].R, pall[col].G, pall[col].B));
col;
}
//f1 << "Цвета: " << endl;
p -= octaves;
}
fclose(f);
f1.close();
} |
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Сообщение от arrjj
