Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

base/applications/mspaint/dib.cpp

@@ -0,0 +1,120 @@
+/*
+ * PROJECT:     PAINT for ReactOS
+ * LICENSE:     LGPL
+ * FILE:        base/applications/mspaint/dib.cpp
+ * PURPOSE:     Some DIB related functions
+ * PROGRAMMERS: Benedikt Freisen
+ */
+
+/* INCLUDES *********************************************************/
+
+#include "precomp.h"
+
+/* FUNCTIONS ********************************************************/
+
+HBITMAP
+CreateDIBWithProperties(int width, int height)
+{
+    BITMAPINFO bmi;
+    ZeroMemory(&bmi, sizeof(BITMAPINFO));
+    bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+    bmi.bmiHeader.biWidth = width;
+    bmi.bmiHeader.biHeight = height;
+    bmi.bmiHeader.biPlanes = 1;
+    bmi.bmiHeader.biBitCount = 24;
+    bmi.bmiHeader.biCompression = BI_RGB;
+    return CreateDIBSection(NULL, &bmi, DIB_RGB_COLORS, NULL, NULL, 0);
+}
+
+int
+GetDIBWidth(HBITMAP hBitmap)
+{
+    BITMAP bm;
+    GetObject(hBitmap, sizeof(BITMAP), &bm);
+    return bm.bmWidth;
+}
+
+int
+GetDIBHeight(HBITMAP hBitmap)
+{
+    BITMAP bm;
+    GetObject(hBitmap, sizeof(BITMAP), &bm);
+    return bm.bmHeight;
+}
+
+void
+SaveDIBToFile(HBITMAP hBitmap, LPTSTR FileName, HDC hDC, LPSYSTEMTIME time, int *size, int hRes, int vRes)
+{
+    CImage img;
+    img.Attach(hBitmap);
+    img.Save(FileName);  // TODO: error handling
+    img.Detach();
+
+    // update time and size
+
+    HANDLE hFile =
+        CreateFile(FileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
+    if (hFile == INVALID_HANDLE_VALUE)
+        return;
+
+    if (time)
+    {
+        FILETIME ft;
+        GetFileTime(hFile, NULL, NULL, &ft);
+        FileTimeToSystemTime(&ft, time);
+    }
+    if (size)
+        *size = GetFileSize(hFile, NULL);
+
+    // TODO: update hRes and vRes
+
+    CloseHandle(hFile);
+}
+
+void ShowFileLoadError(LPCTSTR name)
+{
+    CString strText;
+    strText.Format(IDS_LOADERRORTEXT, (LPCTSTR) name);
+    CString strProgramName;
+    strProgramName.LoadString(IDS_PROGRAMNAME);
+    mainWindow.MessageBox(strText, strProgramName, MB_OK | MB_ICONEXCLAMATION);
+}
+
+void
+LoadDIBFromFile(HBITMAP * hBitmap, LPCTSTR name, LPSYSTEMTIME time, int *size, int *hRes, int *vRes)
+{
+    using namespace Gdiplus;
+    Bitmap img(CStringW(name), FALSE);  // always use WCHAR string
+
+    if (!hBitmap)
+    {
+        ShowFileLoadError(name);
+        return;
+    }
+
+    img.GetHBITMAP(Color(255, 255, 255), hBitmap);
+
+    // update time and size
+    HANDLE hFile =
+        CreateFile(name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
+    if (hFile == INVALID_HANDLE_VALUE)
+    {
+        ShowFileLoadError(name);
+        return;
+    }
+
+    if (time)
+    {
+        FILETIME ft;
+        GetFileTime(hFile, NULL, NULL, &ft);
+        FileTimeToSystemTime(&ft, time);
+    }
+    if (size)
+        *size = GetFileSize(hFile, NULL);
+
+    // update hRes and vRes
+    *hRes = (int) (img.GetHorizontalResolution() * 1000 / 25.4);
+    *vRes = (int) (img.GetVerticalResolution() * 1000 / 25.4);
+
+    CloseHandle(hFile);
+}