bool ModeJpeg::Process(RASTERDATA *input)
{
if (input == NULL)
{
return false;
}
if (input->rasterdata[COLORTYPE_COLOR])
{
if (m_iColorMode == 0)
{
memcpy(m_pbyInputBuffer + (m_iRowNumber * m_iRowWidth), input->rasterdata[COLORTYPE_COLOR],
input->rastersize[COLORTYPE_COLOR]);
}
else
{
rgbToGray(input->rasterdata[COLORTYPE_COLOR], input->rastersize[COLORTYPE_COLOR]);
}
}
m_iRowNumber++;
if (m_iRowNumber == m_iBandHeight)
{
compress();
return true;
}
return false;
}
int sobelFilter(byte *rgb, byte **gray, byte **sobel_h_res, byte **sobel_v_res, byte **contour_img, int width, int height) {
int sobel_h[] = {-1, 0, 1, -2, 0, 2, -1, 0, 1},
sobel_v[] = {1, 2, 1, 0, 0, 0, -1, -2, -1};
int rgb_size = width*height*3;
// Get gray representation of the image
int gray_size = rgbToGray(rgb, gray, rgb_size);
// Make sobel operations
itConv(*gray, gray_size, width, sobel_h, sobel_h_res);
itConv(*gray, gray_size, width, sobel_v, sobel_v_res);
// Calculate contour matrix
contour(*sobel_h_res, *sobel_v_res, gray_size, contour_img);
return gray_size;
}
