diff options
Diffstat (limited to 'plugins/SendScreenshotPlus/src/Utils.cpp')
| -rw-r--r-- | plugins/SendScreenshotPlus/src/Utils.cpp | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/plugins/SendScreenshotPlus/src/Utils.cpp b/plugins/SendScreenshotPlus/src/Utils.cpp index 95307269b9..8111a61cb5 100644 --- a/plugins/SendScreenshotPlus/src/Utils.cpp +++ b/plugins/SendScreenshotPlus/src/Utils.cpp @@ -53,7 +53,7 @@ static BOOL CALLBACK MonitorInfoEnumProc(HMONITOR hMonitor, HDC, LPRECT, LPARAM monitors->info = (MONITORINFOEX*)mir_realloc(monitors->info, sizeof(MONITORINFOEX)*monitors->count); monitors->info[monitors->count - 1].cbSize = sizeof(MONITORINFOEX); if (!GetMonitorInfo(hMonitor, (LPMONITORINFO)(monitors->info + monitors->count - 1))) - return FALSE; // stop enumeration if error + return FALSE; // stop enumeration if error return TRUE; } @@ -83,14 +83,16 @@ FIBITMAP* CaptureWindow(HWND hCapture, BOOL bClientArea, BOOL bIndirectCapture) { FIBITMAP* dib; HWND hForegroundWin; - RECT rect;//cropping rect + RECT rect; // cropping rect if (!hCapture || !IsWindow(hCapture)) return nullptr; - hForegroundWin = GetForegroundWindow(); // old foreground window - SetForegroundWindow(hCapture); // force target foreground - BringWindowToTop(hCapture); // bring it to top as well - /// redraw window to prevent runtime artifacts in picture + + hForegroundWin = GetForegroundWindow(); // old foreground window + SetForegroundWindow(hCapture); // force target foreground + BringWindowToTop(hCapture); // bring it to top as well + + // redraw window to prevent runtime artifacts in picture UpdateWindow(hCapture); HWND hParent = GetAncestor(hCapture, GA_PARENT); @@ -115,29 +117,34 @@ FIBITMAP* CaptureWindow(HWND hCapture, BOOL bClientArea, BOOL bIndirectCapture) HDC hDCsrc; GetWindowRect(hCapture, &rect); if (hParent) - hDCsrc = GetDC(hCapture);//hCapture is part of a window, capture that + hDCsrc = GetDC(hCapture); // hCapture is part of a window, capture that else - hDCsrc = GetWindowDC(hCapture);//entire window w/ title bar + hDCsrc = GetWindowDC(hCapture); // entire window w/ title bar rect.right = ABS(rect.right - rect.left); rect.bottom = ABS(rect.bottom - rect.top); rect.left = rect.top = 0; // capture window and get FIBITMAP dib = CreateDIBFromDC(hDCsrc, &rect, hCapture); ReleaseDC(hCapture, hDCsrc); - if (bClientArea) {//we could capture directly, but doing so breaks GetWindowRgn() and also includes artifacts... + + // we could capture directly, but doing so breaks GetWindowRgn() and also includes artifacts... + if (bClientArea) { GetWindowRect(hCapture, &rect); RECT rectCA; GetClientRect(hCapture, &rectCA); ClientToScreen(hCapture, (POINT*)&rectCA); rectCA.left = ABS(rectCA.left - rect.left); rectCA.top = ABS(rectCA.top - rect.top); rectCA.right += rectCA.left; rectCA.bottom += rectCA.top; - /// crop the window to ClientArea + + // crop the window to ClientArea FIBITMAP* dibClient = FreeImage_Copy(dib, rectCA.left, rectCA.top, rectCA.right, rectCA.bottom); FreeImage_Unload(dib); dib = dibClient; } } - if (hForegroundWin) {//restore previous foreground window + + // restore previous foreground window + if (hForegroundWin) { SetForegroundWindow(hForegroundWin); BringWindowToTop(hForegroundWin); } @@ -149,7 +156,7 @@ FIBITMAP* CaptureMonitor(const wchar_t* szDevice, const RECT* cropRect/*=NULL*/) HDC hScrDC; RECT rect; - /// get screen resolution + // get screen resolution if (!szDevice) { hScrDC = CreateDC(L"DISPLAY", nullptr, nullptr, nullptr); rect.left = GetSystemMetrics(SM_XVIRTUALSCREEN); @@ -187,7 +194,7 @@ FIBITMAP* CreateDIBFromDC(HDC hDC, const RECT* rect, HWND hCapture/*=NULL*/) hScrDC = GetDC(hCapture); HDC hMemDC = CreateCompatibleDC(hScrDC); // create a bitmap compatible with the screen DC - HBITMAP hBitmap = CreateCompatibleBitmap(hScrDC, width, height);//width,height + HBITMAP hBitmap = CreateCompatibleBitmap(hScrDC, width, height); // select new bitmap into memory DC SelectObject(hMemDC, hBitmap); @@ -203,8 +210,8 @@ FIBITMAP* CreateDIBFromDC(HDC hDC, const RECT* rect, HWND hCapture/*=NULL*/) // we have to create our own new alpha channel. bool bFixAlpha = true; bool bInvert = false; - HBRUSH hBr = CreateSolidBrush(RGB(255, 255, 255));//Create a SolidBrush object for non transparent area - HBITMAP hMask = CreateBitmap(width, height, 1, 1, nullptr);// Create monochrome (1 bit) B+W mask bitmap. + HBRUSH hBr = CreateSolidBrush(RGB(255, 255, 255)); // Create a SolidBrush object for non transparent area + HBITMAP hMask = CreateBitmap(width, height, 1, 1, nullptr); // Create monochrome (1 bit) B+W mask bitmap. HDC hMaskDC = CreateCompatibleDC(nullptr); SelectBitmap(hMaskDC, hMask); HRGN hRgn = CreateRectRgn(0, 0, 0, 0); @@ -234,7 +241,7 @@ FIBITMAP* CreateDIBFromDC(HDC hDC, const RECT* rect, HWND hCapture/*=NULL*/) } } else { - if (!hCapture) SetRectRgn(hRgn, 0, 0, width, height);//client area only, no transparency + if (!hCapture) SetRectRgn(hRgn, 0, 0, width, height); // client area only, no transparency FillRgn(hMaskDC, hRgn, hBr); } DeleteObject(hRgn); @@ -250,6 +257,7 @@ FIBITMAP* CreateDIBFromDC(HDC hDC, const RECT* rect, HWND hCapture/*=NULL*/) DeleteDC(hMaskDC); DeleteObject(hMask); DeleteObject(hBr); + // clean up DeleteDC(hMemDC); DeleteObject(hBitmap); @@ -369,8 +377,8 @@ void SaveGIF(HBITMAP hBmp, const wchar_t *szFilename) void SaveTIF(HBITMAP hBmp, const wchar_t *szFilename) { - //http://www.codeproject.com/Messages/1406708/How-to-reduce-the-size-of-an-Image-using-GDIplus.aspx - ULONG_PTR gdiplusToken; + // http://www.codeproject.com/Messages/1406708/How-to-reduce-the-size-of-an-Image-using-GDIplus.aspx + ULONG_PTR gdiplusToken; Gdiplus::GdiplusStartupInput gdiplusStartupInput; Gdiplus::Status stat; Gdiplus::GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, nullptr); |