* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/* $Id: bitmap.c,v 1.4 2002/09/08 10:23:11 chorns Exp $
+/* $Id$
*
* PROJECT: ReactOS user32.dll
* FILE: lib/user32/windows/input.c
/* INCLUDES ******************************************************************/
-#include <windows.h>
#include <user32.h>
-#include <debug.h>
+
+/*forward declerations... actualy in user32\windows\icon.c but usful here****/
+HICON ICON_CreateCursorFromData(HDC hDC, PVOID ImageData, ICONIMAGE* IconImage, int cxDesired, int cyDesired, int xHotspot, int yHotspot);
+HICON ICON_CreateIconFromData(HDC hDC, PVOID ImageData, ICONIMAGE* IconImage, int cxDesired, int cyDesired, int xHotspot, int yHotspot);
+CURSORICONDIRENTRY *CURSORICON_FindBestIcon( CURSORICONDIR *dir, int width, int height, int colors);
+CURSORICONDIRENTRY *CURSORICON_FindBestCursor( CURSORICONDIR *dir, int width, int height, int colors);
/* FUNCTIONS *****************************************************************/
+/*
+ * @implemented
+ */
HANDLE STDCALL
LoadImageA(HINSTANCE hinst,
LPCSTR lpszName,
int cyDesired,
UINT fuLoad)
{
- LPWSTR lpszWName;
- HANDLE Handle;
+ LPWSTR lpszWName;
+ HANDLE Handle;
+ UNICODE_STRING NameString;
- if (HIWORD(lpszName))
- {
- lpszWName = User32ConvertString(lpszName);
+ if (HIWORD(lpszName))
+ {
+ RtlCreateUnicodeStringFromAsciiz(&NameString, (LPSTR)lpszName);
+ lpszWName = NameString.Buffer;
Handle = LoadImageW(hinst, lpszWName, uType, cxDesired,
cyDesired, fuLoad);
- User32FreeString(lpszWName);
- }
- else
- {
- Handle = LoadImageW(hinst, lpszWName, uType, cxDesired,
+ RtlFreeUnicodeString(&NameString);
+ }
+ else
+ {
+ Handle = LoadImageW(hinst, (LPCWSTR)lpszName, uType, cxDesired,
cyDesired, fuLoad);
- }
- return(Handle);
+ }
+
+ return Handle;
+}
+
+
+static HANDLE
+LoadCursorIconImage(
+ HINSTANCE hinst,
+ LPCWSTR lpszName,
+ INT width,
+ INT height,
+ UINT fuLoad,
+ ULONG uType)
+{
+ HANDLE hResource;
+ HANDLE h2Resource;
+ HANDLE hfRes;
+ HANDLE hFile;
+ HANDLE hSection;
+ CURSORICONDIR *IconDIR;
+ HDC hScreenDc;
+ HICON hIcon;
+ ULONG HeaderSize;
+ ULONG ColorCount;
+ ULONG ColorBits;
+ PVOID Data;
+ CURSORICONDIRENTRY* dirEntry;
+ ICONIMAGE* SafeIconImage = NULL;
+ GRPCURSORICONDIR* IconResDir;
+ INT id;
+ ICONIMAGE *ResIcon;
+ BOOL Icon = (uType == IMAGE_ICON);
+
+ if (!(fuLoad & LR_LOADFROMFILE))
+ {
+ if (hinst == NULL)
+ hinst = User32Instance;
+
+ hResource = hfRes = FindResourceW(hinst, lpszName,
+ Icon ? RT_GROUP_ICON : RT_GROUP_CURSOR);
+ if (hResource == NULL)
+ return NULL;
+
+ if (fuLoad & LR_SHARED)
+ {
+ hIcon = NtUserFindExistingCursorIcon(hinst, (HRSRC)hfRes, width, height);
+ if (hIcon)
+ return hIcon;
+ }
+
+ hResource = LoadResource(hinst, hResource);
+ if (hResource == NULL)
+ return NULL;
+
+ IconResDir = LockResource(hResource);
+ if (IconResDir == NULL)
+ return NULL;
+
+ /*
+ * Find the best fitting in the IconResDir for this resolution
+ */
+
+ id = LookupIconIdFromDirectoryEx((PBYTE)IconResDir, Icon, width, height,
+ fuLoad & (LR_DEFAULTCOLOR | LR_MONOCHROME));
+
+ h2Resource = FindResourceW(hinst, MAKEINTRESOURCEW(id),
+ Icon ? MAKEINTRESOURCEW(RT_ICON) :
+ MAKEINTRESOURCEW(RT_CURSOR));
+ if (h2Resource == NULL)
+ return NULL;
+
+ hResource = LoadResource(hinst, h2Resource);
+ if (hResource == NULL)
+ return NULL;
+
+ ResIcon = LockResource(hResource);
+ if (ResIcon == NULL)
+ return NULL;
+
+ hIcon = CreateIconFromResourceEx((PBYTE)ResIcon,
+ SizeofResource(hinst, h2Resource),
+ Icon, 0x00030000, width, height,
+ fuLoad & (LR_DEFAULTCOLOR | LR_MONOCHROME));
+ if (hIcon && 0 != (fuLoad & LR_SHARED))
+ {
+ NtUserSetCursorIconData((HICON)hIcon, NULL, NULL, hinst, (HRSRC)hfRes,
+ (HRSRC)NULL);
+ }
+
+ return hIcon;
+ }
+
+ /*
+ * FIXME: This code is incorrect and is likely to crash in many cases.
+ * In the file the cursor/icon directory records are stored like
+ * CURSORICONFILEDIR, but we treat them like CURSORICONDIR. In Wine
+ * this is solved by creating a fake cursor/icon directory in memory
+ * and passing that to CURSORICON_FindBestIcon.
+ */
+
+ if (fuLoad & LR_SHARED)
+ {
+ DbgPrint("FIXME: need LR_SHARED support for loading icon images from files\n");
+ }
+
+ hFile = CreateFileW(lpszName, GENERIC_READ, FILE_SHARE_READ, NULL,
+ OPEN_EXISTING, 0, NULL);
+ if (hFile == INVALID_HANDLE_VALUE)
+ return NULL;
+
+ hSection = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
+ CloseHandle(hFile);
+ if (hSection == NULL)
+ return NULL;
+
+ IconDIR = MapViewOfFile(hSection, FILE_MAP_READ, 0, 0, 0);
+ CloseHandle(hSection);
+ if (IconDIR == NULL)
+ return NULL;
+
+ if (0 != IconDIR->idReserved ||
+ (IMAGE_ICON != IconDIR->idType && IMAGE_CURSOR != IconDIR->idType))
+ {
+ UnmapViewOfFile(IconDIR);
+ return NULL;
+ }
+
+ /* Get a handle to the screen dc, the icon we create is going to be
+ * compatable with this. */
+ hScreenDc = CreateDCW(NULL, NULL, NULL, NULL);
+ if (hScreenDc == NULL)
+ {
+ UnmapViewOfFile(IconDIR);
+ RtlFreeHeap(GetProcessHeap(), 0, SafeIconImage);
+ return NULL;
+ }
+
+ if (fuLoad & LR_MONOCHROME)
+ {
+ ColorBits = 1;
+ }
+ else
+ {
+ ColorBits = GetDeviceCaps(hScreenDc, BITSPIXEL);
+ /*
+ * FIXME:
+ * Remove this after proper support for alpha icons will be finished.
+ */
+ if (ColorBits > 8)
+ ColorBits = 8;
+ }
+
+ /* Pick the best size. */
+ dirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestIcon(IconDIR, width, height, ColorBits);
+ if (!dirEntry)
+ {
+ DeleteDC(hScreenDc);
+ UnmapViewOfFile(IconDIR);
+ return NULL;
+ }
+
+ SafeIconImage = RtlAllocateHeap(GetProcessHeap(), 0, dirEntry->dwBytesInRes);
+ if (SafeIconImage == NULL)
+ {
+ DeleteDC(hScreenDc);
+ UnmapViewOfFile(IconDIR);
+ return NULL;
+ }
+
+ memcpy(SafeIconImage, ((PBYTE)IconDIR) + dirEntry->dwImageOffset, dirEntry->dwBytesInRes);
+ UnmapViewOfFile(IconDIR);
+
+ /* At this point we have a copy of the icon image to play with. */
+
+ SafeIconImage->icHeader.biHeight = SafeIconImage->icHeader.biHeight /2;
+
+ if (SafeIconImage->icHeader.biSize == sizeof(BITMAPCOREHEADER))
+ {
+ BITMAPCOREHEADER* Core = (BITMAPCOREHEADER*)SafeIconImage;
+ ColorCount = (Core->bcBitCount <= 8) ? (1 << Core->bcBitCount) : 0;
+ HeaderSize = sizeof(BITMAPCOREHEADER) + ColorCount * sizeof(RGBTRIPLE);
+ }
+ else
+ {
+ ColorCount = SafeIconImage->icHeader.biClrUsed;
+ if (ColorCount == 0 && SafeIconImage->icHeader.biBitCount <= 8)
+ ColorCount = 1 << SafeIconImage->icHeader.biBitCount;
+ HeaderSize = sizeof(BITMAPINFOHEADER) + ColorCount * sizeof(RGBQUAD);
+ }
+
+ /* Make data point to the start of the XOR image data. */
+ Data = (PBYTE)SafeIconImage + HeaderSize;
+
+ hIcon = ICON_CreateIconFromData(hScreenDc, Data, SafeIconImage, width, height, width/2, height/2);
+ RtlFreeHeap(GetProcessHeap(), 0, SafeIconImage);
+ DeleteDC(hScreenDc);
+
+ return hIcon;
}
-HANDLE STATIC
+
+static HANDLE
LoadBitmapImage(HINSTANCE hInstance, LPCWSTR lpszName, UINT fuLoad)
{
- HANDLE hResource;
- HANDLE hFile;
- HANDLE hSection;
- BITMAPINFO* BitmapInfo;
- BITMAPINFO* PrivateInfo;
- HDC hScreenDc;
- HANDLE hBitmap;
- ULONG HeaderSize;
- ULONG ColourCount;
- PVOID Data;
-
- if (!(fuLoad & LR_LOADFROMFILE))
- {
+ HANDLE hResource;
+ HANDLE hFile;
+ HANDLE hSection;
+ LPBITMAPINFO BitmapInfo;
+ LPBITMAPINFO PrivateInfo;
+ HDC hScreenDc;
+ HANDLE hBitmap;
+ ULONG HeaderSize;
+ ULONG ColorCount;
+ PVOID Data;
+
+ if (!(fuLoad & LR_LOADFROMFILE))
+ {
if (hInstance == NULL)
- {
- hInstance = GetModuleHandle(L"USER32");
- }
+ hInstance = User32Instance;
+
hResource = FindResourceW(hInstance, lpszName, RT_BITMAP);
if (hResource == NULL)
- {
- return(NULL);
- }
+ return NULL;
hResource = LoadResource(hInstance, hResource);
if (hResource == NULL)
- {
- return(NULL);
- }
+ return NULL;
BitmapInfo = LockResource(hResource);
if (BitmapInfo == NULL)
- {
- return(NULL);
- }
- }
- else
- {
- hFile = CreateFile(lpszName,
- GENERIC_READ,
- FILE_SHARE_READ,
- NULL,
- OPEN_EXISTING,
- 0,
- NULL);
- if (hFile == NULL)
- {
- return(NULL);
- }
- hSection = CreateFileMapping(hFile,
- NULL,
- PAGE_READONLY,
- 0,
- 0,
- NULL);
+ return NULL;
+ }
+ else
+ {
+ hFile = CreateFileW(lpszName, GENERIC_READ, FILE_SHARE_READ, NULL,
+ OPEN_EXISTING, 0, NULL);
+ if (hFile == INVALID_HANDLE_VALUE)
+ return NULL;
+
+ hSection = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
CloseHandle(hFile);
if (hSection == NULL)
- {
- return(NULL);
- }
- BitmapInfo = MapViewOfFile(hSection,
- FILE_MAP_READ,
- 0,
- 0,
- 0);
+ return NULL;
+
+ BitmapInfo = MapViewOfFile(hSection, FILE_MAP_READ, 0, 0, 0);
CloseHandle(hSection);
if (BitmapInfo == NULL)
- {
- return(NULL);
- }
- }
+ return NULL;
- if (BitmapInfo->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
- {
+ BitmapInfo = (LPBITMAPINFO)((ULONG_PTR)BitmapInfo + sizeof(BITMAPFILEHEADER));
+ }
+
+ if (BitmapInfo->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
+ {
BITMAPCOREHEADER* Core = (BITMAPCOREHEADER*)BitmapInfo;
- ColourCount = (Core->bcBitCount <= 8) ? (1 << Core->bcBitCount) : 0;
- HeaderSize = sizeof(BITMAPCOREHEADER) + ColourCount * sizeof(RGBTRIPLE);
- }
- else
- {
- ColourCount = BitmapInfo->bmiHeader.biClrUsed;
- if (ColourCount == 0 && BitmapInfo->bmiHeader.biBitCount <= 8)
- {
- ColourCount = 1 << BitmapInfo->bmiHeader.biBitCount;
- }
- HeaderSize = sizeof(BITMAPINFOHEADER) + ColourCount * sizeof(RGBQUAD);
- }
- Data = (PVOID)BitmapInfo + HeaderSize;
-
- PrivateInfo = RtlAllocateHeap(RtlGetProcessHeap(), 0, HeaderSize);
- if (PrivateInfo == NULL)
- {
+ ColorCount = (Core->bcBitCount <= 8) ? (1 << Core->bcBitCount) : 0;
+ HeaderSize = sizeof(BITMAPCOREHEADER) + ColorCount * sizeof(RGBTRIPLE);
+ }
+ else
+ {
+ ColorCount = BitmapInfo->bmiHeader.biClrUsed;
+ if (ColorCount == 0 && BitmapInfo->bmiHeader.biBitCount <= 8)
+ ColorCount = 1 << BitmapInfo->bmiHeader.biBitCount;
+ HeaderSize = sizeof(BITMAPINFOHEADER) + ColorCount * sizeof(RGBQUAD);
+ }
+ Data = (PVOID)((ULONG_PTR)BitmapInfo + HeaderSize);
+
+ PrivateInfo = RtlAllocateHeap(GetProcessHeap(), 0, HeaderSize);
+ if (PrivateInfo == NULL)
+ {
if (fuLoad & LR_LOADFROMFILE)
- {
- UnmapViewOfFile(BitmapInfo);
- }
- return(NULL);
- }
- memcpy(PrivateInfo, BitmapInfo, HeaderSize);
-
- /* FIXME: Handle colour conversion and transparency. */
-
- hScreenDc = CreateDCW(L"DISPLAY", NULL, NULL, NULL);
- if (hScreenDc == NULL)
- {
+ UnmapViewOfFile(BitmapInfo);
+ return NULL;
+ }
+ memcpy(PrivateInfo, BitmapInfo, HeaderSize);
+
+ /* FIXME: Handle color conversion and transparency. */
+
+ hScreenDc = CreateCompatibleDC(NULL);
+ if (hScreenDc == NULL)
+ {
+ RtlFreeHeap(GetProcessHeap(), 0, PrivateInfo);
if (fuLoad & LR_LOADFROMFILE)
- {
- UnmapViewOfFile(BitmapInfo);
- }
- return(NULL);
- }
-
- if (fuLoad & LR_CREATEDIBSECTION)
- {
+ UnmapViewOfFile(BitmapInfo);
+ return NULL;
+ }
+
+ if (fuLoad & LR_CREATEDIBSECTION)
+ {
DIBSECTION Dib;
- hBitmap = CreateDIBSection(hScreenDc, PrivateInfo, DIB_RGB_COLORS, NULL,
- 0, 0);
+ hBitmap = CreateDIBSection(hScreenDc, PrivateInfo, DIB_RGB_COLORS, NULL,
+ 0, 0);
GetObjectA(hBitmap, sizeof(DIBSECTION), &Dib);
SetDIBits(hScreenDc, hBitmap, 0, Dib.dsBm.bmHeight, Data, BitmapInfo,
- DIB_RGB_COLORS);
- }
- else
- {
+ DIB_RGB_COLORS);
+ }
+ else
+ {
hBitmap = CreateDIBitmap(hScreenDc, &PrivateInfo->bmiHeader, CBM_INIT,
- Data, PrivateInfo, DIB_RGB_COLORS);
- }
+ Data, PrivateInfo, DIB_RGB_COLORS);
+ }
- RtlFreeHeap(RtlGetProcessHeap(), 0, PrivateInfo);
- /*DeleteDC(hScreenDc);*/
- if (fuLoad & LR_LOADFROMFILE)
- {
+ RtlFreeHeap(GetProcessHeap(), 0, PrivateInfo);
+ DeleteDC(hScreenDc);
+ if (fuLoad & LR_LOADFROMFILE)
UnmapViewOfFile(BitmapInfo);
- }
- return(hBitmap);
+
+ return hBitmap;
}
HANDLE STDCALL
-LoadImageW(HINSTANCE hinst,
- LPCWSTR lpszName,
- UINT uType,
- int cxDesired,
- int cyDesired,
- UINT fuLoad)
-{
- if (fuLoad & LR_DEFAULTSIZE)
- {
+LoadImageW(
+ IN HINSTANCE hinst,
+ IN LPCWSTR lpszName,
+ IN UINT uType,
+ IN INT cxDesired,
+ IN INT cyDesired,
+ IN UINT fuLoad)
+{
+ if (fuLoad & LR_DEFAULTSIZE)
+ {
if (uType == IMAGE_ICON)
- {
- if (cxDesired == 0)
- {
- cxDesired = GetSystemMetrics(SM_CXICON);
- }
- if (cyDesired == 0)
- {
- cyDesired = GetSystemMetrics(SM_CYICON);
- }
- }
- else if (uType == IMAGE_CURSOR)
- {
- if (cxDesired == 0)
- {
- cxDesired = GetSystemMetrics(SM_CXCURSOR);
- }
- if (cyDesired == 0)
- {
- cyDesired = GetSystemMetrics(SM_CYCURSOR);
- }
- }
- }
-
- switch (uType)
- {
- case IMAGE_BITMAP:
{
- return(LoadBitmapImage(hinst, lpszName, fuLoad));
+ if (cxDesired == 0)
+ cxDesired = GetSystemMetrics(SM_CXICON);
+ if (cyDesired == 0)
+ cyDesired = GetSystemMetrics(SM_CYICON);
}
- case IMAGE_CURSOR:
+ else if (uType == IMAGE_CURSOR)
{
- DbgPrint("FIXME: Need support for loading cursors.\n");
- return(NULL);
+ if (cxDesired == 0)
+ cxDesired = GetSystemMetrics(SM_CXCURSOR);
+ if (cyDesired == 0)
+ cyDesired = GetSystemMetrics(SM_CYCURSOR);
}
- default:
- DbgBreakPoint();
- break;
- }
- return(NULL);
+ }
+
+ switch (uType)
+ {
+ case IMAGE_BITMAP:
+ return LoadBitmapImage(hinst, lpszName, fuLoad);
+ case IMAGE_CURSOR:
+ case IMAGE_ICON:
+ return LoadCursorIconImage(hinst, lpszName, cxDesired, cyDesired,
+ fuLoad, uType);
+ default:
+ break;
+ }
+
+ return NULL;
}
+/*
+ * @implemented
+ */
HBITMAP STDCALL
LoadBitmapA(HINSTANCE hInstance, LPCSTR lpBitmapName)
{
- return(LoadImageA(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0, 0));
+ return LoadImageA(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0, 0);
}
+
+/*
+ * @implemented
+ */
HBITMAP STDCALL
LoadBitmapW(HINSTANCE hInstance, LPCWSTR lpBitmapName)
{
- return(LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0, 0));
+ return LoadImageW(hInstance, lpBitmapName, IMAGE_BITMAP, 0, 0, 0);
+}
+
+
+/*
+ * @unimplemented
+ */
+HANDLE WINAPI
+CopyImage(
+ IN HANDLE hnd,
+ IN UINT type,
+ IN INT desiredx,
+ IN INT desiredy,
+ IN UINT flags)
+{
+ HBITMAP res;
+ BITMAP bm;
+
+ switch (type)
+ {
+ case IMAGE_BITMAP:
+ {
+ DbgPrint("WARNING: Incomplete implementation of CopyImage!\n");
+ /*
+ * FIXME: Support flags LR_COPYDELETEORG, LR_COPYFROMRESOURCE,
+ * LR_COPYRETURNORG, LR_CREATEDIBSECTION and LR_MONOCHROME.
+ */
+ if (!GetObjectW(hnd, sizeof(bm), &bm))
+ return NULL;
+ bm.bmBits = NULL;
+ if ((res = CreateBitmapIndirect(&bm)))
+ {
+ char *buf = HeapAlloc(GetProcessHeap(), 0, bm.bmWidthBytes * bm.bmHeight);
+ if (buf == NULL)
+ {
+ DeleteObject(res);
+ return NULL;
+ }
+ GetBitmapBits(hnd, bm.bmWidthBytes * bm.bmHeight, buf);
+ SetBitmapBits(res, bm.bmWidthBytes * bm.bmHeight, buf);
+ HeapFree(GetProcessHeap(), 0, buf);
+ }
+ return res;
+ }
+
+ case IMAGE_ICON:
+ {
+ static BOOL IconMsgDisplayed = FALSE;
+ /* FIXME: support loading the image as shared from an instance */
+ if (!IconMsgDisplayed)
+ {
+ DbgPrint("FIXME: CopyImage doesn't support IMAGE_ICON correctly!\n");
+ IconMsgDisplayed = TRUE;
+ }
+ return CopyIcon(hnd);
+ }
+
+ case IMAGE_CURSOR:
+ {
+ static BOOL IconMsgDisplayed = FALSE;
+ /* FIXME: support loading the image as shared from an instance */
+ if (!IconMsgDisplayed)
+ {
+ DbgPrint("FIXME: CopyImage doesn't support IMAGE_CURSOR correctly!\n");
+ IconMsgDisplayed = TRUE;
+ }
+ return CopyCursor(hnd);
+ }
+ }
+
+ return NULL;
}