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MFC_ImageProcessingDlg_BACKUP_442.cpp
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MFC_ImageProcessingDlg_BACKUP_442.cpp
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<<<<<<< HEAD
// MFC_ImageProcessingDlg.cpp: 实现文件
//
#include "pch.h"
#include "afxdialogex.h"
#include "CScaleDlg.h"
#include "CTextInputDialog.h"
#include "ParaSet.h"
#include "framework.h"
#include "MFC_ImageProcessing.h"
#include "MFC_ImageProcessingDlg.h"
#include"toning_func.h"
#include <gdiplus.h>
#include <windows.h>
#pragma comment(lib, "gdiplus.lib")
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define _MinDefTmp_
#endif
#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define _MaxDefTmp_
#endif
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
CMFCImageProcessingDlg* Imagepass;
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框
class CAboutDlg : public CDialogEx
{
public:
CAboutDlg();
// 对话框数据
#ifdef AFX_DESIGN_TIME
enum { IDD = IDD_ABOUTBOX };
#endif
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()
// CMFCImageProcessingDlg 对话框
CMFCImageProcessingDlg::CMFCImageProcessingDlg(CWnd* pParent /*=nullptr*/)
: CDialogEx(IDD_MFC_IMAGEPROCESSING_DIALOG, pParent)
, nummo(0)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMFCImageProcessingDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
DDX_Control(pDX, IDC_LIST_FUNC, m_func_select);
DDX_Control(pDX, IDC_PROGRESS1, m_progress);
//DDX_Text(pDX, IDC_HEIGHT_EDIT, m_Scale_Height);
//DDX_Text(pDX, IDC_WIDTH_EDIT, m_Scale_Width);
//DDX_Control(pDX, IDC_SLIDER_AD, m_slider_ad);
DDX_Slider(pDX, IDC_SLIDER_AD, nummo);
}
BEGIN_MESSAGE_MAP(CMFCImageProcessingDlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_OPEN_BUTTON, &CMFCImageProcessingDlg::OnClickedOpenButton)
ON_BN_CLICKED(IDC_SAVE_BUTTON, &CMFCImageProcessingDlg::OnClickedSaveButton)
ON_BN_CLICKED(IDC_Rotation, &CMFCImageProcessingDlg::OnClickedRotation)
ON_BN_CLICKED(IDC_BLUR_BUTTON, &CMFCImageProcessingDlg::OnClickedBlurButton)
ON_BN_CLICKED(IDC_SHARP_BUTTON, &CMFCImageProcessingDlg::OnClickedSharpButton)
ON_BN_CLICKED(IDC_SCALE_BUTTON, &CMFCImageProcessingDlg::OnClickedScaleButton)
ON_WM_LBUTTONDBLCLK()
ON_STN_CLICKED(IDC_STATIC_PIC, &CMFCImageProcessingDlg::OnStnClickedStaticPic)
ON_WM_LBUTTONUP()
ON_WM_LBUTTONDOWN()
ON_BN_CLICKED(IDC_BUTTON1, &CMFCImageProcessingDlg::OnBnClickedButton1)
ON_BN_CLICKED(IDC_BUTTON2, &CMFCImageProcessingDlg::OnBnClickedButton2)
ON_WM_HSCROLL()
ON_BN_CLICKED(IDC_BUTTON_TEXT, &CMFCImageProcessingDlg::OnBnClickedTextButton)
ON_WM_LBUTTONDOWN()
ON_LBN_SELCHANGE(IDC_LIST_FUNC, &CMFCImageProcessingDlg::OnSelchangeListFunc)
ON_WM_HSCROLL()
ON_BN_CLICKED(IDC_MOSAIC_BUTTON, &CMFCImageProcessingDlg::OnBnClickedButton2)
END_MESSAGE_MAP()
// CMFCImageProcessingDlg 消息处理程序
BOOL CMFCImageProcessingDlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
// 将“关于...”菜单项添加到系统菜单中。
// IDM_ABOUTBOX 必须在系统命令范围内。
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != nullptr)
{
BOOL bNameValid;
CString strAboutMenu;
bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
ASSERT(bNameValid);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// 设置此对话框的图标。 当应用程序主窗口不是对话框时，框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE); // 设置大图标
SetIcon(m_hIcon, FALSE); // 设置小图标
// TODO: 在此添加额外的初始化代码
m_func_select.AddString(_T("顺时针旋转 90 度"));
m_func_select.AddString(_T("缩放"));
m_func_select.AddString(_T("添加文本框"));
m_func_select.AddString(_T("模糊"));
m_func_select.AddString(_T("锐化"));
m_func_select.AddString(_T("调节饱和度"));
m_func_select.AddString(_T("调节曝光"));
m_func_select.AddString(_T("调节色温"));
m_func_select.AddString(_T("图像分割"));
m_func_select.AddString(_T("添加马赛克"));
//初始化进度条
m_progress.SetRange(0, 100);
m_progress.SetStep(1);
m_progress.SetPos(0);
CStatic* pImageControl = (CStatic*)GetDlgItem(IDC_STATIC_PIC);
//m_slider_ad.SetRange(15, 50);//设置滑动范围为15-50
//m_slider_ad.SetTicFreq(5);//每5个单位画一刻度
//m_slider_ad.SetPos(20);//设置滑块初始位置为20
nummo = 20;
SetDlgItemInt(IDC_EDIT_MO, 20);//设置编辑框的初始值SetDlgItemInt(IDC_EDIT1, Start);//设置编辑框的初始值
return TRUE; // 除非将焦点设置到控件，否则返回 TRUE
}
void CMFCImageProcessingDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialogEx::OnSysCommand(nID, lParam);
}
}
// 如果向对话框添加最小化按钮，则需要下面的代码
// 来绘制该图标。 对于使用文档/视图模型的 MFC 应用程序，
// 这将由框架自动完成。
void CMFCImageProcessingDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // 用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// 使图标在工作区矩形中居中
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialogEx::OnPaint();
}
}
//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR CMFCImageProcessingDlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}
// 内部函数
// 显示位图函数
void CMFCImageProcessingDlg::Show_Bmp(double hfactor = 1,double wfactor = 1)
{
// 清除图片控件
GetDlgItem(IDC_STATIC_PIC)->ShowWindow(FALSE);
GetDlgItem(IDC_STATIC_PIC)->ShowWindow(TRUE);
// 获取图片控件基本变量
CWnd* pWnd = GetDlgItem(IDC_STATIC_PIC); //获得pictrue控件窗口的句柄
CDC* pDC = pWnd->GetDC(); //获得pictrue控件的DC
CRect rect;
pWnd->GetClientRect(&rect); //获得pictrue控件所在的矩形区域
// 计算宽高比，使用浮点数避免精度问题
int image_width = bmpInfo.biWidth;
int image_height = bmpInfo.biHeight;
double wid_hei_ratio = (double)image_width / (double)image_height;
// 调整缩略图大小
if (rect.Width() < wid_hei_ratio * rect.Height())
{
if (wfactor <= 1 && hfactor <= 1)
{
image_width = static_cast<int>(rect.Width() * wfactor);
image_height = static_cast<int>(image_width / wid_hei_ratio * hfactor);
}
else
{
AfxMessageBox(_T("倍数大于一可能无法在缩略图中呈现缩放效果"));
image_width = rect.Width();
image_height = static_cast<int>(image_width / wid_hei_ratio);
}
}
else
{
if (wfactor <= 1 && hfactor <= 1)
{
image_height = static_cast<int>(rect.Height() * hfactor);
image_width = static_cast<int>(wid_hei_ratio * image_height * wfactor);
}
else
{
AfxMessageBox(_T("倍数大于一可能无法在缩略图中呈现缩放效果"));
image_height = rect.Height();
image_width = static_cast<int>(wid_hei_ratio * image_height);
}
}
// 确保图像宽高不为负数
if (image_width <= 0 || image_height <= 0)
{
AfxMessageBox(_T("宽高为负数！"));
return;
}
// 显示位图
pDC->SetStretchBltMode(COLORONCOLOR);
StretchDIBits(pDC->GetSafeHdc(),
(rect.Width() - image_width) / 2,
(rect.Height() - image_height) / 2,
image_width,
image_height,
0,
0,
bmpInfo.biWidth,
bmpInfo.biHeight,
pBmpData,
pBmpInfo,
DIB_RGB_COLORS,
SRCCOPY);
pWnd->ReleaseDC(pDC);
}
// 保存并打开临时位图
void CMFCImageProcessingDlg::Save_Open_Temp_Bmp()
{
// 保存临时位图
CString TempPath = _T(".\\Temp");
if (!PathIsDirectory(TempPath)) CreateDirectory(TempPath, 0); //不存在临时文件夹则创建
CString TempFilePath = _T(".\\Temp\\Temp.bmp");
if (!bmpFile.Open(TempFilePath, CFile::modeCreate |
CFile::modeWrite | CFile::typeBinary))
{
AfxMessageBox(_T("无法打开临时文件进行写入"));
return;
}
bmpFile.Write(&bmpHeader, sizeof(BITMAPFILEHEADER));
bmpFile.Write(&bmpInfo, sizeof(BITMAPINFOHEADER));
DWORD bmpDataSize = bmpInfo.biSizeImage;
if (bmpDataSize == 0)
{
int bpp = bmpInfo.biBitCount / 8;
bmpDataSize = (bmpInfo.biWidth * bpp + RowComplete) * bmpInfo.biHeight;
}
bmpFile.Write(pBmpData, bmpDataSize);
bmpFile.Close();
// 打开临时位图
if (!bmpFile.Open(TempFilePath, CFile::modeRead | CFile::typeBinary))
return;
if (bmpFile.Read(&bmpHeader, sizeof(BITMAPFILEHEADER)) != sizeof(BITMAPFILEHEADER))
return;
if (bmpFile.Read(&bmpInfo, sizeof(BITMAPINFOHEADER)) != sizeof(BITMAPINFOHEADER))
return;
pBmpInfo = (BITMAPINFO*)new char[sizeof(BITMAPINFOHEADER)];
memcpy(pBmpInfo, &bmpInfo, sizeof(BITMAPINFOHEADER));
Bytes = bmpHeader.bfSize - bmpHeader.bfOffBits;
pBmpData = new BYTE[Bytes];
bmpFile.Read(pBmpData, Bytes);
FilePath = TempFilePath;
bmpFile.Close();
}
// 将 BGR 编码的位图转换成 OpenCV Mat 格式
void CMFCImageProcessingDlg::Bmp2Mat(cv::Mat img, int height, int width)
{
int index = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
img.at<cv::Vec3b>(y, x)[0] = pBmpData[index + 2]; // B
img.at<cv::Vec3b>(y, x)[1] = pBmpData[index + 1]; // G
img.at<cv::Vec3b>(y, x)[2] = pBmpData[index]; // R
index += 3; // 每个像素 3 byte
if ((index + RowComplete) % (width * 3 + RowComplete) == 0)
index += RowComplete; // 跳过填充字节
}
}
}
// 将 OpenCV Mat 格式还原成 BGR 编码的位图文件
void CMFCImageProcessingDlg::Mat2Bmp(cv::Mat img, int height, int width)
{
int index = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
pBmpData[index + 2] = img.at<cv::Vec3b>(y, x)[0]; // B
pBmpData[index + 1] = img.at<cv::Vec3b>(y, x)[1]; // G
pBmpData[index] = img.at<cv::Vec3b>(y, x)[2]; // R
index += 3; // 每个像素 3 byte
if ((index + RowComplete) % (width * 3 + RowComplete) == 0)
index += RowComplete; // 跳过填充字节
}
}
}
// 获取图像编码器的 CLSID
int GetEncoderClsid(const WCHAR* format, CLSID* pClsid)
{
UINT num = 0;
UINT size = 0;
Gdiplus::GetImageEncodersSize(&num, &size);
if (size == 0) return -1;
Gdiplus::ImageCodecInfo* pImageCodecInfo = (Gdiplus::ImageCodecInfo*)(malloc(size));
if (pImageCodecInfo == nullptr) return -1;
Gdiplus::GetImageEncoders(num, size, pImageCodecInfo);
for (UINT j = 0; j < num; ++j)
{
if (wcscmp(pImageCodecInfo[j].MimeType, format) == 0)
{
*pClsid = pImageCodecInfo[j].Clsid;
free(pImageCodecInfo);
return j;
}
}
free(pImageCodecInfo);
return -1;
}
// 将 bmp 文件转换成 jpg, jpeg, png 文件
void ConvertToBMP(const CString& inputPath, const CString& outputPath)
{
Gdiplus::GdiplusStartupInput gdiplusStartupInput;
ULONG_PTR gdiplusToken;
GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, nullptr);
Gdiplus::Image image(inputPath);
CLSID bmpClsid;
GetEncoderClsid(L"image/bmp", &bmpClsid);
image.Save(outputPath, &bmpClsid, nullptr);
//Gdiplus::GdiplusShutdown(gdiplusToken);
}
// 控件函数
void CMFCImageProcessingDlg::OnClickedOpenButton()
{
// 设置过滤器
LPCTSTR szFilter = _T("Image Files (*.bmp;*.jpg;*.jpeg;*.png)|*.bmp;*.jpg;*.jpeg;*.png|");
// 构造打开文件对话框
CFileDialog fileDlg(TRUE, _T(".bmp"), NULL,
OFN_HIDEREADONLY | OFN_FILEMUSTEXIST, szFilter, this);
// 显示打开文件对话框
if (IDOK == fileDlg.DoModal())
{
FilePath = fileDlg.GetPathName(); // 获取文件路径
SetDlgItemText(IDC_OPEN_EDIT, FilePath); // 在编辑框显示文件路径
CString BmpName = fileDlg.GetPathName();
CString EntName = fileDlg.GetFileExt();
EntName.MakeLower();
if (EntName.Compare(_T("bmp")) == 0)
{
// 读取并显示 BMP 文件
if (!bmpFile.Open(BmpName, CFile::modeRead | CFile::typeBinary))
return;
if (bmpFile.Read(&bmpHeader, sizeof(BITMAPFILEHEADER)) != sizeof(BITMAPFILEHEADER))
return;
if (bmpFile.Read(&bmpInfo, sizeof(BITMAPINFOHEADER)) != sizeof(BITMAPINFOHEADER))
return;
pBmpInfo = (BITMAPINFO*)new char[sizeof(BITMAPINFOHEADER)];
memcpy(pBmpInfo, &bmpInfo, sizeof(BITMAPINFOHEADER));
Bytes = bmpHeader.bfSize - bmpHeader.bfOffBits; // 计算位图数据大小
pBmpData = new BYTE[Bytes]; // 分配位图数据数组
int bpp = bmpInfo.biBitCount / 8;
RowComplete = (4 - ((bmpInfo.biWidth * bpp) % 4)) % 4; // 计算每行的比特填充字节数
bmpFile.Read(pBmpData, Bytes);
bmpFile.Close();
Show_Bmp();
m_is_open = true;
}
else if (EntName.Compare(_T("jpg")) == 0 || EntName.Compare(_T("jpeg")) == 0 || EntName.Compare(_T("png")) == 0)
{
// 将 JPG/PNG 文件转换为 BMP 并读取
CString tempBmpPath = _T("transfer_temp.bmp");
ConvertToBMP(FilePath, tempBmpPath);
if (!bmpFile.Open(tempBmpPath, CFile::modeRead | CFile::typeBinary))
return;
if (bmpFile.Read(&bmpHeader, sizeof(BITMAPFILEHEADER)) != sizeof(BITMAPFILEHEADER))
return;
if (bmpFile.Read(&bmpInfo, sizeof(BITMAPINFOHEADER)) != sizeof(BITMAPINFOHEADER))
return;
pBmpInfo = (BITMAPINFO*)new char[sizeof(BITMAPINFOHEADER)];
memcpy(pBmpInfo, &bmpInfo, sizeof(BITMAPINFOHEADER));
Bytes = bmpHeader.bfSize - bmpHeader.bfOffBits; // 计算位图数据大小
pBmpData = new BYTE[Bytes]; // 分配位图数据数组
int bpp = bmpInfo.biBitCount / 8;
RowComplete = (4 - ((bmpInfo.biWidth * bpp) % 4)) % 4; // 计算每行的比特填充字节数
bmpFile.Read(pBmpData, Bytes);
bmpFile.Close();
Show_Bmp();
m_is_open = true;
}
}
}
void CMFCImageProcessingDlg::OnClickedSaveButton()
{
// TODO: 在此添加控件通知处理程序代码
// 设置过滤器
LPCTSTR szFilter = _T("bmp (*.bmp)|*.bmp|");
// 构造保存文件对话框
CFileDialog fileDlg(FALSE, _T(".bmp"), _T("default.bmp"),
OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, szFilter, this);
fileDlg.m_ofn.lpstrTitle = _T("保存"); // 保存对话窗口标题名
CString FilePath;
if (m_is_open == false) {
AfxMessageBox(_T("没有打开文件，无法保存"));
return;
}
// 显示保存文件对话框
if (IDOK == fileDlg.DoModal()) //判断是否点击了确定
{
FilePath = fileDlg.GetPathName(); // 获取文件路径
SetDlgItemText(IDC_SAVE_EDIT, FilePath);
if (!bmpFile.Open(FilePath, CFile::modeCreate |
CFile::modeWrite | CFile::typeBinary))
{
AfxMessageBox(_T("无法打开文件进行写入"));
return;
}
// 写入文件头
bmpFile.Write(&bmpHeader, sizeof(BITMAPFILEHEADER));
// 写入信息头
bmpFile.Write(&bmpInfo, sizeof(BITMAPINFOHEADER));
// 计算位图数据大小
int bpp = bmpInfo.biBitCount / 8;
DWORD bmpDataSize = bmpHeader.bfSize - bmpHeader.bfOffBits;
if (bmpDataSize == 0)
{
bmpDataSize = ((bmpInfo.biWidth * bpp + RowComplete) * bmpInfo.biHeight);
}
// 写入位图数据
bmpFile.Write(pBmpData, bmpDataSize);
// 关闭文件
bmpFile.Close();
}
}
void CMFCImageProcessingDlg::OnClickedRotation()
{
// TODO: 在此添加控件通知处理程序代码
// 获取原始位图的宽度和高度
int width = bmpInfo.biWidth;
int height = bmpInfo.biHeight;
// 计算新的宽度和高度
int newWidth = height;
int newHeight = width;
// 分配新的位图数据数组
int bpp = bmpInfo.biBitCount / 8; // 每个像素的字节数
DWORD newRowComplete = (4 - ((newWidth * bpp) % 4)) % 4; // 计算新的每行的比特填充字节数
Bytes = (newWidth * bpp + newRowComplete) * newHeight; // 计算新的图像数据大小
BYTE* pNewBmpData = new BYTE[Bytes];
memset(pNewBmpData, 0, Bytes); // 初始化为 0
// 进行像素的旋转变换，注意跳过填充字节
int oldIndex = 0;
int newIndex = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
// 计算新坐标
int newX = y;
int newY = width - x - 1;
// 计算原始和新的数据偏移
newIndex = newY * (newWidth * bpp + newRowComplete) + newX * bpp;
memcpy(&pNewBmpData[newIndex], &pBmpData[oldIndex], bpp); // 复制像素
oldIndex += bpp;
if ((oldIndex + RowComplete) % (width * bpp + RowComplete) == 0)
oldIndex += RowComplete; // 跳过填充字节
}
}
//补全填充字节
int newRowSize = newWidth * bpp + newRowComplete;
for (int idx = newWidth * bpp; idx < Bytes; idx += newRowSize)
{
for (int i = 0; i < newRowComplete; i++)
pNewBmpData[idx + i] = 0;
}
// 更新位图信息
// 更新信息头
bmpInfo.biWidth = newWidth;
bmpInfo.biHeight = newHeight;
bmpInfo.biSizeImage = newWidth * newHeight * (bmpInfo.biBitCount / 8);
RowComplete = newRowComplete;
//更新图像数据
delete[] pBmpData;
pBmpData = pNewBmpData;
// 更新文件头
bmpHeader.bfSize = Bytes + bmpHeader.bfOffBits;
// 保持并打开新的位图
Save_Open_Temp_Bmp();
// 显示位图
Show_Bmp();
}
void CMFCImageProcessingDlg::OnClickedBlurButton()
{
// TODO: 在此添加控件通知处理程序代码
// 1. 将位图数据转换为 OpenCV Mat
int width = bmpInfo.biWidth;
int height = bmpInfo.biHeight;
cv::Mat img(height, width, CV_8UC3);
m_progress.SetPos(0);
// 假设位图数据是 BGR 格式
Bmp2Mat(img, height, width);
m_progress.SetPos(40);
// 2. 应用高斯模糊
cv::Mat blurredImg;
cv::GaussianBlur(img, blurredImg, cv::Size(3, 3), 0,0);
m_progress.SetPos(80);
// 3. 将处理后的图像转换回位图格式
Mat2Bmp(blurredImg, height, width);
m_progress.SetPos(100);
// 4. 显示图像
Show_Bmp();
}
void CMFCImageProcessingDlg::OnClickedSharpButton()
{
// TODO: 在此添加控件通知处理程序代码
// 1. 将位图数据转换为 OpenCV Mat
int width = bmpInfo.biWidth;
int height = bmpInfo.biHeight;
cv::Mat img(height, width, CV_8UC3);
m_progress.SetPos(0);
// 假设位图数据是 BGR 格式
Bmp2Mat(img, height, width);
m_progress.SetPos(20);
// 2. 应用高斯滤波锐化模糊图片
cv::Mat SharpenedImg;
cv::GaussianBlur(img, SharpenedImg, cv::Size(3, 3), 0,0);
m_progress.SetPos(40);
cv::addWeighted(img, 2, SharpenedImg, -1, 0, SharpenedImg);
m_progress.SetPos(60);
// 3. 将处理后的图像转换回位图格式
Mat2Bmp(SharpenedImg, height, width);
m_progress.SetPos(100);
// 4. 显示图像
Show_Bmp();
}
void CMFCImageProcessingDlg::OnClickedScaleButton()
{
// TODO: 在此添加控件通知处理程序代码
// 1. 将位图数据转换为 OpenCV Mat
int width = bmpInfo.biWidth;
int height = bmpInfo.biHeight;
cv::Mat img(height, width, CV_8UC3);
// 假设位图数据是 BGR 格式
Bmp2Mat(img, height, width);
CScaleDlg Dlg;
if (Dlg.DoModal() == IDOK2) {
// 2. 用 opencv resize 函数放缩图片
UpdateData(TRUE);
if (m_Scale_Height == 0 || m_Scale_Width == 0)
{
AfxMessageBox(_T("倍数不能为零！"));
return;
}
cv::Mat ResizedImg;
cv::resize(img, ResizedImg, cv::Size(0, 0), m_Scale_Width, m_Scale_Height);
UpdateData(FALSE);
// 更新位图信息
int NewWidth = static_cast<int>(width * m_Scale_Width);
int NewHeight = static_cast<int>(height * m_Scale_Height);
int bpp = bmpInfo.biBitCount / 8;
RowComplete = (4 - ((NewWidth * bpp) % 4)) % 4;
bmpInfo.biWidth = NewWidth;
bmpInfo.biHeight = NewHeight;
bmpInfo.biSizeImage = NewWidth * NewHeight * (bmpInfo.biBitCount / 8);
Bytes = (NewWidth * bpp + RowComplete) * NewHeight;
pBmpData = new BYTE[Bytes];
bmpHeader.bfSize = Bytes + bmpHeader.bfOffBits;
// 3. 将处理后的图像转换回位图格式
Mat2Bmp(ResizedImg, NewHeight, NewWidth);
Save_Open_Temp_Bmp();
// 4. 显示图像
Show_Bmp(m_Scale_Height, m_Scale_Width);
}
}
void CMFCImageProcessingDlg::CreateTextImage(CString& text, CRect& textRect, const CString& textImagePath,const int font_size,const COLORREF& font_col)
{
Gdiplus::GdiplusStartupInput gdiplusStartupInput;
ULONG_PTR gdiplusToken;
GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, nullptr);
Gdiplus::Bitmap bitmap(textRect.Width(), textRect.Height(), PixelFormat32bppARGB);
Gdiplus::Graphics graphics(&bitmap);
graphics.Clear(Gdiplus::Color(255, 255, 255, 255));
Gdiplus::FontFamily fontFamily(L"Arial");
Gdiplus::Font font(&fontFamily, font_size, Gdiplus::FontStyleRegular, Gdiplus::UnitPixel);
Gdiplus::PointF pointF(0.0f, 0.0f);
BYTE red = GetRValue(font_col);
BYTE green = GetGValue(font_col);
BYTE blue = GetBValue(font_col);
Gdiplus::SolidBrush solidBrush(Gdiplus::Color(255, red, green, blue));
graphics.DrawString(text, -1, &font, pointF, &solidBrush);
CLSID clsid;
GetEncoderClsid(L"image/bmp", &clsid);
bitmap.Save(textImagePath, &clsid, nullptr);
//Gdiplus::GdiplusShutdown(gdiplusToken);
}
void CMFCImageProcessingDlg::AddTextToImage(CString& text, CRect& textRect,
const int font_size, const COLORREF& font_col)
{
// 创建文本图像
CString textImagePath = _T("text_image.bmp");
CreateTextImage(text, textRect, textImagePath,font_size,font_col);
// 打开文本图像
CImage textImage;
textImage.Load(textImagePath);
// 将文本图像叠加到原始图像上
CImage originalImage;
originalImage.Attach((HBITMAP)::CreateDIBitmap(::GetDC(NULL), &bmpInfo,
CBM_INIT, pBmpData, pBmpInfo, DIB_RGB_COLORS));
CDC* pDC = CDC::FromHandle(originalImage.GetDC());
CDC memDC;
memDC.CreateCompatibleDC(pDC);
CBitmap bitmap;
bitmap.Attach(textImage.Detach());
CBitmap* pOldBitmap = memDC.SelectObject(&bitmap);
pDC->TransparentBlt(textRect.left, textRect.top, textRect.Width(),
textRect.Height(), &memDC, 0, 0, textRect.Width(), textRect.Height(), RGB(255, 255, 255));
memDC.SelectObject(pOldBitmap);
originalImage.ReleaseDC();
// 保存修改后的图像
originalImage.Save(_T("output.bmp"));
}
void CMFCImageProcessingDlg::AdjustInit(int choice,int factor)
{
//读取图像
// 获取 CString 的缓冲区
std::string img_path;
CT2CA pszConvertedAnsiString(FilePath);
// 将缓冲区转换为 std::string
std::string str(pszConvertedAnsiString);
img_path = str;
cv::Mat src = cv::imread(img_path, 1);
if (src.empty())
{
std::cout << "can not load image" << std::endl;
return;
}
cv::Mat dst = src.clone();
int saturation_value = 0;
double brightness_value = 0;
int warm_value = 0;
m_progress.SetPos(0);
switch(choice){
case 1:
saturation_factor = factor;
saturation_value = (factor - 50) * 2;
dst = Saturation(dst, saturation_value,m_progress);
break;
case 2:
brightness_factor = factor;
if (factor < 50)
brightness_value = factor / 50.0;
else
brightness_value = factor / 50.0; //手动缩小了亮度的调整范围
dst = Brightness(dst, brightness_value, 0,m_progress);
break;
case 3:
warmth_factor = factor;
warm_value = (factor - 50) * 2;
dst = ColorTemperature(dst, warm_value,m_progress);
break;
}
// 保存图像
std::string output_path = "output_ad.bmp";
cv::imwrite(output_path, dst);
CString BmpName = _T(".\\output_ad.bmp");
// 读取并显示 BMP 文件
if (!bmpFile.Open(BmpName, CFile::modeRead | CFile::typeBinary))
return;
if (bmpFile.Read(&bmpHeader, sizeof(BITMAPFILEHEADER)) != sizeof(BITMAPFILEHEADER))
return;
if (bmpFile.Read(&bmpInfo, sizeof(BITMAPINFOHEADER)) != sizeof(BITMAPINFOHEADER))
return;
pBmpInfo = (BITMAPINFO*)new char[sizeof(BITMAPINFOHEADER)];
memcpy(pBmpInfo, &bmpInfo, sizeof(BITMAPINFOHEADER));
DWORD Bytes = bmpInfo.biWidth * bmpInfo.biHeight * (bmpInfo.biBitCount / 8);
pBmpData = new BYTE[Bytes];
bmpFile.Read(pBmpData, Bytes);
FilePath = BmpName;
Show_Bmp();
m_is_open = true;
bmpFile.Close();
}
void CMFCImageProcessingDlg::OnBnClickedTextButton()
{
// TODO: 在此添加控件通知处理程序代码
if (!m_is_open)
{
AfxMessageBox(_T("请先打开一张图片"));
return;
}
m_is_text = true;
m_texted = true;
AfxMessageBox(_T("请在图片上点击鼠标左键，选择文本框位置"));
}
void CMFCImageProcessingDlg::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
if (m_is_text == true) {
CTextInputDialog dlg;
if (dlg.DoModal() == IDOK) // 显示对话框并等待用户输入
{
m_text = dlg.GetInputText(); // 获取用户输入的文本
m_font_size = dlg.GetFontSize(); //获取字体大小
m_font_col = dlg.GetFontCol(); //获取字体颜色
// 获取图片控件的指针
CWnd* pWnd = GetDlgItem(IDC_STATIC_PIC);
// 获取图片控件在屏幕上的矩形区域
CRect picRect;
pWnd->GetWindowRect(&picRect);
// 将鼠标点击点从主窗口坐标转换为屏幕坐标
ClientToScreen(&point);
// 检查点击点是否在图片控件内部
if (picRect.PtInRect(point)) {
// 用户定义文本框的位置，可以改为动态捕获鼠标位置
//
// 将屏幕坐标转换为图片控件的客户区坐标
pWnd->ScreenToClient(&point);
// 获取图片控件的矩形区域
CRect rect;
pWnd->GetClientRect(&rect); //556 453
// 计算宽高比
double wid_hei_ratio = (double)bmpInfo.biWidth / (double)bmpInfo.biHeight;
// 计算缩放比例
double scaleX = (double)rect.Width() / bmpInfo.biWidth;
double scaleY = (double)rect.Height() / bmpInfo.biHeight;
double scale = min(scaleX, scaleY);
// 计算缩略图在控件区的偏移量
int offsetX = (rect.Width() - (int)(bmpInfo.biWidth * scale)) / 2;
int offsetY = (rect.Height() - (int)(bmpInfo.biHeight * scale)) / 2;
// 将控件区的坐标映射回原始图片的像素坐标
int originalX = (int)((point.x - offsetX) / scale);
int originalY = (int)((point.y - offsetY) / scale);
// 确保坐标在原始图片的范围内
if (originalX < 0 || originalX >= bmpInfo.biWidth || originalY < 0 || originalY >= bmpInfo.biHeight)
{
AfxMessageBox(_T("坐标超出图片范围！"));
return;
}
// 创建字体
m_font.DeleteObject();
m_font.CreatePointFont(m_font_size, _T("Arial"));
CDC* pDC = GetDC(); // 获取设备上下文
// 获取要输入的字符的宽度和高度
CSize size = pDC->GetTextExtent(m_text);
// 输出宽度和高度
int charWidth = (size.cx * m_font_size / 10) / scale; //font_size取十分之一为字体大小
int charHeight = (size.cy * m_font_size / 10) / scale;
// 绘制一个矩形
int left = originalX - charWidth / 2;
int top = originalY - charHeight / 2;
int right = originalX + charWidth / 2;
int bottom = originalY + charHeight / 2;
m_textRect = CRect(left, top, right, bottom);
//m_textRect = CRect(50,50,200,100);
// 添加文本到图像
AddTextToImage(m_text, m_textRect,m_font_size,m_font_col);
CString BmpName = _T(".\\output.bmp");
// 读取并显示 BMP 文件
if (!bmpFile.Open(BmpName, CFile::modeRead | CFile::typeBinary))
return;
if (bmpFile.Read(&bmpHeader, sizeof(BITMAPFILEHEADER)) != sizeof(BITMAPFILEHEADER))
return;
if (bmpFile.Read(&bmpInfo, sizeof(BITMAPINFOHEADER)) != sizeof(BITMAPINFOHEADER))
return;
pBmpInfo = (BITMAPINFO*)new char[sizeof(BITMAPINFOHEADER)];
memcpy(pBmpInfo, &bmpInfo, sizeof(BITMAPINFOHEADER));
Bytes = bmpHeader.bfSize - bmpHeader.bfOffBits;
pBmpData = new BYTE[Bytes];
bmpFile.Read(pBmpData, Bytes);
Show_Bmp();
m_is_open = true;
bmpFile.Close();
FilePath = BmpName;
}
else {
AfxMessageBox(_T("不能点击图片外的区域！"));
}
}
m_is_text = false;
}
if (ismosaic) {
// 获取图片控件的指针
CWnd* pWnd = GetDlgItem(IDC_STATIC_PIC);
// 获取图片控件的客户区矩形
CRect picRect;
// 获取控件相对于屏幕的位置
GetDlgItem(IDC_STATIC_PIC)->GetWindowRect(&picRect);
//将控件转化为对话框上的相对位置
ScreenToClient(picRect);