MFC 对话框显示gif图片 转 MFC GDI+显示GIF文件《转》

MFC GDI+显示GIF文件《转》

在头文件里面添加：

Image* image;
GUID Guid ;
UINT frameCount;
UINT framePos; ULONG_PTR gdiplusToken;
 afx_msg void OnTimer(UINT_PTR nIDEvent); void LoadGif(); 

需要依赖头文件：

#include <Gdiplusheaders.h>
#include <Gdiplus.h>

using namespace Gdiplus;

界面类的构造函数里面添加：

//启动gdi 要不然 Image::FromFile 会失败
    GdiplusStartupInput gdiplusStartupInput;
    GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);

    image = NULL;
    frameCount = 0; framePos = 0;

添加定时器消息处理：

BEGIN_MESSAGE_MAP(CMFCApplication1Dlg, CDialogEx)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    ON_BN_CLICKED(IDC_BUTTON1, &CMFCApplication1Dlg::OnBnClickedButton1)
    ON_WM_TIMER()
    ON_BN_CLICKED(IDC_BUTTON2, &CMFCApplication1Dlg::OnBnClickedButton2)
END_MESSAGE_MAP()

加载GIF文件：

void CMFCApplication1Dlg::LoadGif()
{
    WCHAR strModule[MAX_PATH * 2] = { 0 };
    GetModuleFileNameW(NULL, strModule, MAX_PATH * 2); ::PathRemoveFileSpecW(strModule); wsprintfW(strModule + wcslen(strModule), L"\\%s.gif", L"sVcodec"); image = Image::FromFile(strModule); //获得有多少个维度，对于gif就一个维度 UINT count = image->GetFrameDimensionsCount(); GUID *pDimensionIDs = (GUID*)new GUID[count]; image->GetFrameDimensionsList(pDimensionIDs, count); WCHAR strGuid[39]; StringFromGUID2(pDimensionIDs[0], strGuid, 39); frameCount = image->GetFrameCount(&pDimensionIDs[0]); //delete[] pDimensionIDs; //获得各帧之间的时间间隔 //先获得有多少个时间间隔，PropertyTagFrameDelay是GDI+中预定义的一个GIG属性ID值，表示标签帧数据的延迟时间 UINT FrameDelayNums = image->GetPropertyItemSize(PropertyTagFrameDelay); PropertyItem* lpPropertyItem = new PropertyItem[FrameDelayNums]; image->GetPropertyItem(PropertyTagFrameDelay, FrameDelayNums, lpPropertyItem); Guid = FrameDimensionTime; image->SelectActiveFrame(&Guid, framePos); }

定时器处理：

void CMFCApplication1Dlg::OnTimer(UINT_PTR nIDEvent)
{
    if (image)
    {
        CWnd* pic = GetDlgItem(IDC_STATIC_PIC);
        Graphics gh(pic->GetDC()->m_hDC); CRect rect; GetDlgItem(IDC_STATIC_PIC)->GetClientRect(&rect); gh.DrawImage(image, 0, 0, rect.Width(), rect.Height()); //gh.DrawImage(image, 0, 0, image->GetWidth(), image->GetHeight()); //设置当前需要显示的帧数 image->SelectActiveFrame(&Guid, framePos); framePos++; if (framePos == frameCount) { framePos = 0; } } CDialogEx::OnTimer(nIDEvent); }

启动定时器：

SetTimer(0, 400, NULL);

    LoadGif();

需要依赖gdi 库：

gdiplus.lib

参考地址：https://blog.csdn.net/sz76211822/article/details/51507616

在头文件里面添加：

Image* image;
GUID Guid ;
UINT frameCount;
UINT framePos; ULONG_PTR gdiplusToken;
 afx_msg void OnTimer(UINT_PTR nIDEvent); void LoadGif(); 

需要依赖头文件：

#include <Gdiplusheaders.h>
#include <Gdiplus.h>

using namespace Gdiplus;

界面类的构造函数里面添加：

//启动gdi 要不然 Image::FromFile 会失败
    GdiplusStartupInput gdiplusStartupInput;
    GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);

    image = NULL;
    frameCount = 0; framePos = 0;

添加定时器消息处理：

BEGIN_MESSAGE_MAP(CMFCApplication1Dlg, CDialogEx)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    ON_BN_CLICKED(IDC_BUTTON1, &CMFCApplication1Dlg::OnBnClickedButton1)
    ON_WM_TIMER()
    ON_BN_CLICKED(IDC_BUTTON2, &CMFCApplication1Dlg::OnBnClickedButton2)
END_MESSAGE_MAP()

加载GIF文件：

void CMFCApplication1Dlg::LoadGif()
{
    WCHAR strModule[MAX_PATH * 2] = { 0 };
    GetModuleFileNameW(NULL, strModule, MAX_PATH * 2); ::PathRemoveFileSpecW(strModule); wsprintfW(strModule + wcslen(strModule), L"\\%s.gif", L"sVcodec"); image = Image::FromFile(strModule); //获得有多少个维度，对于gif就一个维度 UINT count = image->GetFrameDimensionsCount(); GUID *pDimensionIDs = (GUID*)new GUID[count]; image->GetFrameDimensionsList(pDimensionIDs, count); WCHAR strGuid[39]; StringFromGUID2(pDimensionIDs[0], strGuid, 39); frameCount = image->GetFrameCount(&pDimensionIDs[0]); //delete[] pDimensionIDs; //获得各帧之间的时间间隔 //先获得有多少个时间间隔，PropertyTagFrameDelay是GDI+中预定义的一个GIG属性ID值，表示标签帧数据的延迟时间 UINT FrameDelayNums = image->GetPropertyItemSize(PropertyTagFrameDelay); PropertyItem* lpPropertyItem = new PropertyItem[FrameDelayNums]; image->GetPropertyItem(PropertyTagFrameDelay, FrameDelayNums, lpPropertyItem); Guid = FrameDimensionTime; image->SelectActiveFrame(&Guid, framePos); }

定时器处理：

void CMFCApplication1Dlg::OnTimer(UINT_PTR nIDEvent)
{
    if (image)
    {
        CWnd* pic = GetDlgItem(IDC_STATIC_PIC);
        Graphics gh(pic->GetDC()->m_hDC); CRect rect; GetDlgItem(IDC_STATIC_PIC)->GetClientRect(&rect); gh.DrawImage(image, 0, 0, rect.Width(), rect.Height()); //gh.DrawImage(image, 0, 0, image->GetWidth(), image->GetHeight()); //设置当前需要显示的帧数 image->SelectActiveFrame(&Guid, framePos); framePos++; if (framePos == frameCount) { framePos = 0; } } CDialogEx::OnTimer(nIDEvent); }

启动定时器：

SetTimer(0, 400, NULL);

    LoadGif();

需要依赖gdi 库：

gdiplus.lib

参考地址：https://blog.csdn.net/sz76211822/article/details/51507616