paint.c File Reference

#include <user32.h>

Include dependency graph for paint.c:

Go to the source code of this file.

Functions
BOOL WINAPI	MirrorRgn (HWND hwnd, HRGN hrgn)
BOOL WINAPI	PolyPatBlt (HDC, DWORD, PPATRECT, INT, ULONG)
INT WINAPI	MirrorWindowRect (PWND pWnd, LPRECT lprc)
VOID	CreateFrameBrushes (VOID)
VOID	DeleteFrameBrushes (VOID)
BOOL WINAPI	GetUpdateRect (HWND Wnd, LPRECT Rect, BOOL Erase)
int WINAPI	GetUpdateRgn (HWND hWnd, HRGN hRgn, BOOL bErase)
BOOL WINAPI	ScrollDC (HDC hDC, int dx, int dy, CONST RECT *lprcScroll, CONST RECT *lprcClip, HRGN hrgnUpdate, LPRECT lprcUpdate)
int WINAPI	SetWindowRgn (HWND hWnd, HRGN hRgn, BOOL bRedraw)
BOOL WINAPI	UpdateWindow (HWND hWnd)
BOOL WINAPI	ValidateRgn (HWND hWnd, HRGN hRgn)
int WINAPI	GetWindowRgn (HWND hWnd, HRGN hRgn)
int WINAPI	GetWindowRgnBox (HWND hWnd, LPRECT lprc)
BOOL WINAPI	DrawFrame (HDC hDc, RECT *r, DWORD width, DWORD type)

Variables
static HBRUSH	FrameBrushes [13]
static HBITMAP	hHatch
const DWORD	HatchBitmap [4] = {0x5555AAAA, 0x5555AAAA, 0x5555AAAA, 0x5555AAAA}
const BYTE	MappingTable [33] = {5,9,2,3,5,7,0,0,0,7,5,5,3,2,7,5,3,3,0,5,7,10,5,0,11,4,1,1,3,8,6,12,7}

Function Documentation

CreateFrameBrushes()

VOID CreateFrameBrushes

(

VOID

)

Definition at line 52 of file paint.c.

{
  FrameBrushes[0] = CreateSolidBrush(RGB(0,0,0));
  FrameBrushes[1] = CreateSolidBrush(RGB(0,0,128));
  FrameBrushes[2] = CreateSolidBrush(RGB(10,36,106));
  FrameBrushes[3] = CreateSolidBrush(RGB(128,128,128));
  FrameBrushes[4] = CreateSolidBrush(RGB(181,181,181));
  FrameBrushes[5] = CreateSolidBrush(RGB(212,208,200));
  FrameBrushes[6] = CreateSolidBrush(RGB(236,233,216));
  FrameBrushes[7] = CreateSolidBrush(RGB(255,255,255));
  FrameBrushes[8] = CreateSolidBrush(RGB(49,106,197));
  FrameBrushes[9] = CreateSolidBrush(RGB(58,110,165));
  FrameBrushes[10] = CreateSolidBrush(RGB(64,64,64));
  FrameBrushes[11] = CreateSolidBrush(RGB(255,255,225));
  hHatch = CreateBitmap(8, 8, 1, 1, HatchBitmap);
  FrameBrushes[12] = CreatePatternBrush(hHatch);
}

Referenced by DrawFrame().

DeleteFrameBrushes()

VOID DeleteFrameBrushes

(

VOID

)

Definition at line 71 of file paint.c.

{
  unsigned Brush;
 
  for (Brush = 0; Brush < sizeof(FrameBrushes) / sizeof(HBRUSH); Brush++)
    {
      if (NULL != FrameBrushes[Brush])
    {
      DeleteObject(FrameBrushes[Brush]);
      FrameBrushes[Brush] = NULL;
    }
    }
  if (NULL != hHatch)
    {
      DeleteObject(hHatch);
      hHatch = NULL;
    }
}

Referenced by Cleanup().

DrawFrame()

BOOL WINAPI DrawFrame	(	HDC	hDc,
		RECT *	r,
		DWORD	width,
		DWORD	type
	)

Definition at line 335 of file paint.c.

{
    DWORD rop;
    DWORD brush;
    HBRUSH hbrFrame;
    PATRECT p[4];
    if (NULL == FrameBrushes[0])
    {
        CreateFrameBrushes();
    }
    if (type & 4)
    {
        rop = PATINVERT;
    }
    else
    {
        rop = PATCOPY;
    }
    brush = type / 8;
    if (brush >= 33)
    {
        brush = 32;
    }
    brush = MappingTable[brush];
    hbrFrame = FrameBrushes[brush];
    p[0].hBrush = hbrFrame;
    p[1].hBrush = hbrFrame;
    p[2].hBrush = hbrFrame;
    p[3].hBrush = hbrFrame;
    p[0].r.left = r->left;
    p[0].r.top = r->top;
    p[0].r.right = r->right - r->left;
    p[0].r.bottom = width;
    p[1].r.left = r->left;
    p[1].r.top = r->bottom - width;
    p[1].r.right = r->right - r->left;
    p[1].r.bottom = width;
    p[2].r.left = r->left;
    p[2].r.top = r->top + width;
    p[2].r.right = width;
    p[2].r.bottom = r->bottom - r->top - (width * 2);
    p[3].r.left = r->right - width;
    p[3].r.top = r->top + width;
    p[3].r.right = width;
    p[3].r.bottom = r->bottom - r->top - (width * 2);
    return PolyPatBlt(hDc,rop,p,4,0);
}

GetUpdateRect()

BOOL WINAPI GetUpdateRect	(	HWND	Wnd,
		LPRECT	Rect,
		BOOL	Erase
	)

Definition at line 96 of file paint.c.

{
  PWND pWnd;
 
  pWnd = ValidateHwnd(Wnd);
  if (!pWnd)
     return FALSE;
 
  if ( pWnd->hrgnUpdate ||
       pWnd->state & (WNDS_SENDERASEBACKGROUND|WNDS_SENDNCPAINT|WNDS_UPDATEDIRTY|WNDS_PAINTNOTPROCESSED))
  {
     return NtUserGetUpdateRect(Wnd, Rect, Erase);
  }
 
  if (Rect)
  { // Did the Rgn update? No! Back set and shutup!
     Rect->left = Rect->right = Rect->top = Rect->bottom = 0;
  }
  return FALSE;  // msdn: "If there is no update region, the return value is zero."
 
}

GetUpdateRgn()

int WINAPI GetUpdateRgn	(	HWND	hWnd,
		HRGN	hRgn,
		BOOL	bErase
	)

Definition at line 127 of file paint.c.

{
  PWND pWnd;
 
  if (!hRgn)
  {
     SetLastError(ERROR_INVALID_HANDLE);
     return ERROR;
  }
 
  pWnd = ValidateHwnd(hWnd);
  if (!pWnd)
     return ERROR;
 
  if ( pWnd->hrgnUpdate ||
       pWnd->state & (WNDS_SENDERASEBACKGROUND|WNDS_SENDNCPAINT|WNDS_UPDATEDIRTY|WNDS_PAINTNOTPROCESSED))
  {
     return NtUserGetUpdateRgn(hWnd, hRgn, bErase);
  }
  SetRectRgn(hRgn, 0, 0, 0, 0);
  return NULLREGION;
}

GetWindowRgn()

int WINAPI GetWindowRgn	(	HWND	hWnd,
		HRGN	hRgn
	)

Definition at line 265 of file paint.c.

{
  PWND pWnd;
  int Ret;
 
  if (!hRgn)
     return ERROR;
 
  pWnd = ValidateHwnd(hWnd);
 
  if (!pWnd || !pWnd->hrgnClip || pWnd->state2 & WNDS2_MAXIMIZEDMONITORREGION)
     return ERROR;
 
  Ret = CombineRgn(hRgn, pWnd->hrgnClip, NULL, RGN_COPY);
 
  if (!Ret)
     return ERROR;
/*
  if (hWnd != GetDesktopWindow()) // pWnd->fnid != FNID_DESKTOP)
     Ret = OffsetRgn(hRgn, -pWnd->rcWindow.left, -pWnd->rcWindow.top);
*/
  if (pWnd->ExStyle & WS_EX_LAYOUTRTL)
     MirrorRgn(hWnd, hRgn);
 
  return Ret;
}

GetWindowRgnBox()

int WINAPI GetWindowRgnBox	(	HWND	hWnd,
		LPRECT	lprc
	)

Definition at line 299 of file paint.c.

{
  PWND pWnd;
  int Ret;
 
  if (!lprc)
     return ERROR;
 
  pWnd = ValidateHwnd(hWnd);
 
  if (!pWnd || !pWnd->hrgnClip || pWnd->state2 & WNDS2_MAXIMIZEDMONITORREGION)
     return ERROR;
 
  Ret = GetRgnBox(pWnd->hrgnClip, lprc);
 
  if (!Ret)
     return ERROR;
/*
  if (hWnd != GetDesktopWindow()) // pWnd->fnid != FNID_DESKTOP)
     OffsetRect(lprc, -pWnd->rcWindow.left, -pWnd->rcWindow.top);
*/
  if (pWnd->ExStyle & WS_EX_LAYOUTRTL)
     MirrorWindowRect(pWnd, lprc);
 
  return Ret;
}

Referenced by init_function_pointers().

MirrorRgn()

BOOL WINAPI MirrorRgn	(	HWND	hwnd,
		HRGN	hrgn
	)

Definition at line 863 of file region.c.

{
    INT l;
    RECT Rect;
    GetWindowRect(hwnd, &Rect);
    l = Rect.right - Rect.left;
    Rect.right -= Rect.left;
    return MirrorRgnByWidth(hrgn, l, NULL);
}

Referenced by GetWindowRgn().

MirrorWindowRect()

INT WINAPI MirrorWindowRect	(	PWND	pWnd,
		LPRECT	lprc
	)

Definition at line 43 of file paint.c.

{
  INT Ret = pWnd->rcWindow.right - pWnd->rcWindow.left - lprc->left;
  lprc->left = pWnd->rcWindow.right - pWnd->rcWindow.left - lprc->right;
  lprc->right = Ret;
  return Ret;
}

Referenced by GetWindowRgnBox().

PolyPatBlt()

BOOL WINAPI PolyPatBlt	(	HDC	,
		DWORD	,
		PPATRECT	,
		INT	,
		ULONG
	)

Referenced by DrawFrame().

ScrollDC()

BOOL WINAPI ScrollDC	(	HDC	hDC,
		int	dx,
		int	dy,
		CONST RECT *	lprcScroll,
		CONST RECT *	lprcClip,
		HRGN	hrgnUpdate,
		LPRECT	lprcUpdate
	)

Definition at line 158 of file paint.c.

{
   if (hDC == NULL) return FALSE;
 
   if (dx == 0 && dy == 0)
   {
      if (hrgnUpdate) SetRectRgn(hrgnUpdate, 0, 0, 0, 0);
      if (lprcUpdate) lprcUpdate->left = lprcUpdate->right =
                      lprcUpdate->top = lprcUpdate->bottom = 0;
      return TRUE;
   }
 
   return NtUserScrollDC( hDC,
                          dx,
                          dy,
                          lprcScroll,
                          lprcClip,
                          hrgnUpdate,
                          lprcUpdate);
}

SetWindowRgn()

int WINAPI SetWindowRgn	(	HWND	hWnd,
		HRGN	hRgn,
		BOOL	bRedraw
	)

Definition at line 191 of file paint.c.

{
   BOOL Hook;
   int Ret = 0;
 
   LoadUserApiHook();
 
   Hook = BeginIfHookedUserApiHook();
 
   /* Bypass SEH and go direct. */
   if (!Hook)
   {
      Ret = NtUserSetWindowRgn(hWnd, hRgn, bRedraw);
      if (Ret)
          DeleteObject(hRgn);
      return Ret;
   }
 
   _SEH2_TRY
   {
      Ret = guah.SetWindowRgn(hWnd, hRgn, bRedraw);
   }
   _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
   {
   }
   _SEH2_END;
 
   EndUserApiHook();
 
   return Ret;
}

UpdateWindow()

BOOL WINAPI UpdateWindow

(

HWND

hWnd

)

Definition at line 231 of file paint.c.

{
  PWND pWnd = ValidateHwnd(hWnd);
 
  if (!pWnd)
     return FALSE;
 
  if ( pWnd->hrgnUpdate ||
       pWnd->state & WNDS_INTERNALPAINT ||
       pWnd->spwndChild )
  {
     return NtUserxUpdateWindow(hWnd);
  }
  return TRUE;
}

ValidateRgn()

BOOL WINAPI ValidateRgn	(	HWND	hWnd,
		HRGN	hRgn
	)

Definition at line 253 of file paint.c.

{
  return NtUserxValidateRgn(hWnd, hRgn);
}

Variable Documentation

FrameBrushes

HBRUSH FrameBrushes[13]

static

Definition at line 32 of file paint.c.

Referenced by CreateFrameBrushes(), DeleteFrameBrushes(), and DrawFrame().

HatchBitmap

const DWORD HatchBitmap[4] = {0x5555AAAA, 0x5555AAAA, 0x5555AAAA, 0x5555AAAA}

Definition at line 34 of file paint.c.

Referenced by CreateFrameBrushes().

hHatch

HBITMAP hHatch

static

Definition at line 33 of file paint.c.

Referenced by CreateFrameBrushes(), and DeleteFrameBrushes().

MappingTable

const BYTE MappingTable[33] = {5,9,2,3,5,7,0,0,0,7,5,5,3,2,7,5,3,3,0,5,7,10,5,0,11,4,1,1,3,8,6,12,7}

Definition at line 329 of file paint.c.

Referenced by DrawFrame().