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恍兮惚兮 2025-01-03 01:19:42 +08:00
parent d4f16add89
commit 1ff6c2567f
1 changed files with 2 additions and 11 deletions
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13
cpp/winrtutils/winrtsnapshot.cpp
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@ -29,30 +29,21 @@ int GetEncoderClsid(const WCHAR *format, CLSID *pClsid)
{ {
UINT num = 0; // number of image encoders UINT num = 0; // number of image encoders
UINT size = 0; // size of the image encoder array in bytes UINT size = 0; // size of the image encoder array in bytes
Gdiplus::ImageCodecInfo *pImageCodecInfo = NULL;
Gdiplus::GetImageEncodersSize(&num, &size); Gdiplus::GetImageEncodersSize(&num, &size);
if (size == 0) if (size == 0)
return -1; // Failure return -1; // Failure
pImageCodecInfo = (Gdiplus::ImageCodecInfo *)(malloc(size)); auto pImageCodecInfo = std::make_unique<Gdiplus::ImageCodecInfo[]>(num);
if (pImageCodecInfo == NULL) GetImageEncoders(num, size, pImageCodecInfo.get());
return -1; // Failure
GetImageEncoders(num, size, pImageCodecInfo);
for (UINT j = 0; j < num; ++j) for (UINT j = 0; j < num; ++j)
{ {
if (wcscmp(pImageCodecInfo[j].MimeType, format) == 0) if (wcscmp(pImageCodecInfo[j].MimeType, format) == 0)
{ {
*pClsid = pImageCodecInfo[j].Clsid; *pClsid = pImageCodecInfo[j].Clsid;
free(pImageCodecInfo);
return j; // Success return j; // Success
} }
} }
free(pImageCodecInfo);
return -1; // Failure return -1; // Failure
} }
void capture_window(HWND window_handle, void (*cb)(byte *, size_t)) void capture_window(HWND window_handle, void (*cb)(byte *, size_t))