// 指定されたフォーマットに対応する Encoder の CLSID を取得する
// Cited from MSDN Library: Retrieving the Class Identifier for an Encoder
int GetEncoderClsid(const WCHAR* format, CLSID* pClsid)
{
UINT num = 0; // number of image encoders
UINT size = 0; // size of the image encoder array in bytes
ImageCodecInfo* pImageCodecInfo = NULL;
GetImageEncodersSize(&num, &size);
if(size == 0)
return -1; // Failure
pImageCodecInfo = (ImageCodecInfo*)(malloc(size));
if(pImageCodecInfo == NULL)
return -1; // Failure
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; // Success
}
}
free(pImageCodecInfo);
return -1; // Failure
}
int CGdiPlusImage::GetEncoderClsid(LPCTSTR format, CLSID* pClsid)
{
UINT num = 0;
UINT size = 0;
ImageCodecInfo* pImageCodecInfo = NULL;
GetImageEncodersSize(&num, &size);
if(size == 0)
return -1;
pImageCodecInfo = (ImageCodecInfo*)(malloc(size));
if(pImageCodecInfo == NULL)
return -1;
GetImageEncoders(num, size, pImageCodecInfo);
for(UINT j = 0; j < num; ++j)
{
if( StrCmp(pImageCodecInfo[j].MimeType, format) == 0 )
{
*pClsid = pImageCodecInfo[j].Clsid;
free(pImageCodecInfo);
return j;
}
}
free(pImageCodecInfo);
return -1;
}
//이미지 코덱의 CLSID를 가져오는 함수
BOOL CMainFrame::GetEncoderClsid(const WCHAR* format, CLSID* pClsid)
{
UINT num = 0; // 이미지 엔코더 번호
UINT size = 0; // 이미지 엔코더 배열의 사이즈
GetImageEncodersSize(&num, &size); //이미지 엔코더의 사이즈를 구함
if(size == 0) return FALSE;
ImageCodecInfo* pImageCodecInfo = NULL;
pImageCodecInfo = (ImageCodecInfo*)(malloc(size)); //메모리 할당
if(pImageCodecInfo == NULL) return FALSE;
GetImageEncoders(num, size, pImageCodecInfo); //코덱정보를 구함
for(UINT i=0; i < num; ++i)
{
//코덱 정보와 전달받은 포맷이 동일할 경우
if(wcscmp(pImageCodecInfo[i].MimeType, format) == 0 )
{
*pClsid = pImageCodecInfo[i].Clsid; //CLSID를 지정
free(pImageCodecInfo); //메모리 해제
return TRUE;
}
}
free(pImageCodecInfo);
return FALSE;
}
// bmp转jpg
BOOL GDIPluseExt::GetEncoderClsid(const WCHAR* format, CLSID* pClsid)
{
UINT num= 0;
UINT size= 0;
ImageCodecInfo* pImageCodecInfo = NULL;
GetImageEncodersSize(&num, &size);
if(size== 0)
{
return FALSE;
}
pImageCodecInfo= (ImageCodecInfo*)(malloc(size));
if(pImageCodecInfo== NULL)
{
return FALSE;
}
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 FALSE;
}
BOOL CCBitmapConvert::GetImageCLSID(const WCHAR* format, CLSID* pCLSID)
{
UINT num = 0;
UINT size = 0;
ImageCodecInfo* pImageCodecInfo = NULL;
GetImageEncodersSize(&num, &size);
if(size == 0)
{
return FALSE;
}
pImageCodecInfo = (ImageCodecInfo *)malloc((size));
if(pImageCodecInfo == NULL)
return FALSE;
GetImageEncoders(num, size, pImageCodecInfo);
// Find for the support of format for image in the windows
for(UINT i = 0; i < num; ++i)
{
if( wcscmp(pImageCodecInfo[i].MimeType, format) == 0)
{
*pCLSID = pImageCodecInfo[i].Clsid;
free(pImageCodecInfo);
return TRUE;
}
}
free(pImageCodecInfo);
return FALSE;
}
CLSID GetEncoderClsid(const WCHAR* format) {
CLSID null = {0};
UINT numEncoders, size;
Status ok = GetImageEncodersSize(&numEncoders, &size);
if (ok != Ok || 0 == size)
return null;
ScopedMem<ImageCodecInfo> codecInfo((ImageCodecInfo*)malloc(size));
if (!codecInfo)
return null;
GetImageEncoders(numEncoders, size, codecInfo);
for (UINT j = 0; j < numEncoders; j++) {
if (str::Eq(codecInfo[j].MimeType, format)) {
return codecInfo[j].Clsid;
}
}
return null;
}
//=================================================
// Overrides
//=================================================
BOOL CMainDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
// Add "About..." menu item to system menu.
CMenu* pSysMenu = GetSystemMenu(FALSE);
if(pSysMenu != NULL)
{
CString strAboutMenu = _T("About...");
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// Set max-length on edit boxes
CEdit* pEdit = NULL;
VERIFY(pEdit = (CEdit*)GetDlgItem(IDC_IMAGE_NAME));
pEdit->SetLimitText(50);
// Fill combo with all supported image formats
CComboBox* pCombo = NULL;
VERIFY(pCombo = (CComboBox*)GetDlgItem(IDC_IMAGE_EXT));
ImageCodecInfo* pImageCodecInfo = NULL;
UINT nCount = 0; // number of image encoders
UINT nSize = 0; // size of the image encoder array in bytes
GetImageEncodersSize(&nCount, &nSize);
if(nSize > 0)
{
pImageCodecInfo = (ImageCodecInfo*)(malloc(nSize));
if(pImageCodecInfo != NULL)
{
GetImageEncoders(nCount, nSize, pImageCodecInfo);
for(UINT x = 0; x < nCount; x ++)
{
CString strFormat(pImageCodecInfo[x].FormatDescription);
int iItem = pCombo->AddString(strFormat);
ASSERT(iItem != -1);
CLSID* pCLSID = new CLSID;
ASSERT(pCLSID);
*pCLSID = pImageCodecInfo[x].Clsid;
pCombo->SetItemData(iItem, (DWORD_PTR)pCLSID);
// JPEG will be our default image type
if(strFormat.CompareNoCase(_T("jpeg")) == 0)
{
m_clsidImgType = pImageCodecInfo[x].Clsid;
pCombo->SetCurSel(iItem);
}
}
free(pImageCodecInfo);
}
}
SetControlValues();
// Start keyboard hook to capture the print screen key
ActivateKeyboardHook(TRUE);
return TRUE; // return TRUE unless you set the focus to a control
}
void keyPressed(int vk){
switch (vk){
case VK_ESCAPE:
if (hbitmap != NULL){
if (selectRect.valid){
selectRect.valid = false;
}
else{
DeleteObject(hbitmap);
hbitmap = NULL;
selectRect.valid = false;
delete[] capturePixels;
DeleteObject(buffer);
ShowWindow(hwnd, SW_HIDE);
}
}
break;
case VK_RETURN:
sendToClipboard();
disposeWindow();
break;
case 'C':
if (ctrlPressed)
sendToClipboard();
break;
case 'X':
if (ctrlPressed){
sendToClipboard();
disposeWindow();
}
break;
case 'S':
if (ctrlPressed){
OPENFILENAMEW openFile = { 0 };
wchar_t filePath[261];
memset(&filePath, 0, 261);
openFile.lStructSize = sizeof(OPENFILENAMEA);
openFile.hwndOwner = hwnd;
openFile.lpstrFile = filePath;
openFile.nMaxFile = 261;
openFile.Flags = OFN_EXPLORER;
unsigned int num = 0, size = 0;
GetImageEncodersSize(&num, &size);
ImageCodecInfo *pImageCodecInfo = (ImageCodecInfo *)(malloc(size));
GetImageEncoders(num, size, pImageCodecInfo);
wstring s;
DWORD index = 0;
for (unsigned int i = 0; i < num; ++i){
const wchar_t *format = pImageCodecInfo[i].FormatDescription;
const wchar_t *filename = pImageCodecInfo[i].FilenameExtension;
wstring fileLower(filename);
transform(fileLower.begin(), fileLower.end(), fileLower.begin(), tolower);
s = s + wstring(format, wcslen(format)) + wstring(L" (") + fileLower + wstring(L")", 2) + wstring(filename, wcslen(filename) + 1);
if (wcscmp(format, L"PNG") == 0) {
index = i + 1;
}
}
s = s + wstring(L"\0", 1);
openFile.lpstrFilter = s.c_str();
openFile.lpstrCustomFilter = NULL;
openFile.lpstrFileTitle = NULL;
openFile.lpstrInitialDir = NULL;
openFile.lpstrTitle = L"Save Capture As";
openFile.nFilterIndex = index;
if (!GetSaveFileNameW(&openFile)){
return;
}
BITMAPINFOHEADER bmih;
bmih.biSize = sizeof(BITMAPINFOHEADER);
bmih.biWidth = selectRect.width;
bmih.biHeight = -selectRect.height;
bmih.biPlanes = 1;
bmih.biBitCount = 32;
bmih.biCompression = BI_RGB;
BITMAPINFO dbmi;
dbmi.bmiHeader = bmih;
HDC hdc = GetDC(NULL);
HDC hdcMem = CreateCompatibleDC(hdc);
HBITMAP capture = CreateCompatibleBitmap(hdc, selectRect.width, selectRect.height);
bufferWidth = rect.right - rect.left;
bufferHeight = rect.bottom - rect.top;
pixel *ps = new pixel[selectRect.width * selectRect.height];
HGDIOBJ old = SelectObject(hdcMem, hbitmap);
for (int i = 0; i < selectRect.height; i++){
memcpy(&ps[i * selectRect.width], &capturePixels[(i + selectRect.y) * bufferWidth + selectRect.x], selectRect.width * 4);
}
SetDIBits(hdc, capture, 0, selectRect.height, ps, &dbmi, 0);
ImageCodecInfo info = pImageCodecInfo[openFile.nFilterIndex - 1];
wchar_t *fne = new wchar_t[wcslen(info.FilenameExtension) + 1];
wcscpy_s(fne, wcslen(info.FilenameExtension) + 1, info.FilenameExtension);
wchar_t *context = NULL;
wchar_t *c = wcstok_s(fne, L";", &context);
wchar_t *first = c;
bool found = false;
while (c != NULL){
wstring str(filePath);
transform(str.begin(), str.end(), str.begin(), toupper);
wstring suffix(c);
suffix = suffix.substr(1);
if (str.size() >= suffix.size() && str.compare(str.size() - suffix.size(), suffix.size(), suffix) == 0){
found = true;
}
c = wcstok_s(NULL, L";", &context);
}
wstring path(filePath);
if (!found){
wstring extension = wstring(first).substr(1);
transform(extension.begin(), extension.end(), extension.begin(), tolower);
path = path + extension;
}
Bitmap bitmap(capture, NULL);
bitmap.Save(path.c_str(), &(info.Clsid));
delete[] fne;
SelectObject(hdc, old);
ReleaseDC(NULL, hdc);
DeleteDC(hdcMem);
DeleteObject(capture);
delete[] ps;
delete[] pImageCodecInfo;
}
break;
}
}