MFC如何获取图片像素点的坐标?
MFC如何获取图片像素点(黑色点)的坐标?
int k = 0;
for (int j = 0; j < height - 1; j++)
{
for (int i = 0; i < wide - 1; i++)
{
//// 指向目标图像倒数第j行,第i个象素的指针
lpDst = (LPBYTE)temp + wide * j + i;
pixel = (unsigned char)*lpDst;
if (pixel == 0)
{
JL[k][0] = wide-i;
JL[k][1] = height-j;
k++;
}
}
}
为什么得到的点的坐标用pDC->SetPixel(JL[i][0]+ CDibNew1->GetWidth(), JL[i][1], (COLORREF)0x00FF0000);画出来后和实际的图不对应?