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user32: Added a helper to get screen dc.

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2017-05-07 17:50:38 +03:00 committed by Alexandre Julliard
parent 9ee82b9465
commit 393ec970c8
1 changed files with 21 additions and 11 deletions
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32
dlls/user32/cursoricon.c
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@ -48,10 +48,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(cursor);
WINE_DECLARE_DEBUG_CHANNEL(icon);
WINE_DECLARE_DEBUG_CHANNEL(resource);
static HDC screen_dc;
static const WCHAR DISPLAYW[] = {'D','I','S','P','L','A','Y',0};
static struct list icon_cache = LIST_INIT( icon_cache );
/**********************************************************************
@ -96,6 +92,17 @@ struct animated_cursoricon_object
HICON frames[1]; /* list of animated cursor frames */
};
static HDC get_screen_dc(void)
{
static const WCHAR DISPLAYW[] = {'D','I','S','P','L','A','Y',0};
static HDC screen_dc;
if (!screen_dc)
screen_dc = CreateDCW( DISPLAYW, NULL, NULL, NULL );
return screen_dc;
}
static HICON alloc_icon_handle( BOOL is_ani, UINT num_steps )
{
struct cursoricon_object *obj;
@ -792,6 +799,7 @@ static HICON create_icon_from_bmi( const BITMAPINFO *bmi, DWORD maxsize, HMODULE
BOOL ret = FALSE;
BOOL do_stretch;
HICON hObj = 0;
HDC screen_dc;
HDC hdc = 0;
LONG bmi_width, bmi_height;
WORD bpp;
@ -855,8 +863,7 @@ static HICON create_icon_from_bmi( const BITMAPINFO *bmi, DWORD maxsize, HMODULE
hotspot.y = (hotspot.y * height) / (bmi_height / 2);
}
if (!screen_dc) screen_dc = CreateDCW( DISPLAYW, NULL, NULL, NULL );
if (!screen_dc) return 0;
if (!(screen_dc = get_screen_dc())) return 0;
if (!(bmi_copy = HeapAlloc( GetProcessHeap(), 0, max( size, FIELD_OFFSET( BITMAPINFO, bmiColors[2] )))))
return 0;
@ -2149,7 +2156,7 @@ HICON WINAPI CreateIconIndirect(PICONINFO iconinfo)
height = bmpXor.bmHeight;
if (bmpXor.bmPlanes * bmpXor.bmBitsPixel != 1 || bmpAnd.bmPlanes * bmpAnd.bmBitsPixel != 1)
{
color = CreateCompatibleBitmap( screen_dc, width, height );
color = CreateCompatibleBitmap( get_screen_dc(), width, height );
mask = CreateBitmap( width, height, 1, 1, NULL );
}
else mask = CreateBitmap( width, height * 2, 1, 1, NULL );
@ -2479,6 +2486,7 @@ static HBITMAP BITMAP_Load( HINSTANCE instance, LPCWSTR name,
DWORD compr_dummy, offbits = 0;
INT bm_type;
HDC screen_mem_dc = NULL;
HDC screen_dc;
if (!(loadflags & LR_LOADFROMFILE))
{
@ -2558,7 +2566,7 @@ static HBITMAP BITMAP_Load( HINSTANCE instance, LPCWSTR name,
if (new_height < 0) new_height = -new_height;
if (!screen_dc) screen_dc = CreateDCW( DISPLAYW, NULL, NULL, NULL );
screen_dc = get_screen_dc();
if (!(screen_mem_dc = CreateCompatibleDC( screen_dc ))) goto end;
bits = (char *)info + (offbits ? offbits : size);
@ -2654,8 +2662,10 @@ HANDLE WINAPI LoadImageW( HINSTANCE hinst, LPCWSTR name, UINT type,
depth = 1;
if (!(loadflags & LR_MONOCHROME))
{
if (!screen_dc) screen_dc = CreateDCW( DISPLAYW, NULL, NULL, NULL );
if (screen_dc) depth = GetDeviceCaps( screen_dc, BITSPIXEL );
HDC screen_dc;
if ((screen_dc = get_screen_dc()))
depth = GetDeviceCaps( screen_dc, BITSPIXEL );
}
return CURSORICON_Load(hinst, name, desiredx, desiredy, depth, (type == IMAGE_CURSOR), loadflags);
}
@ -2879,7 +2889,7 @@ HANDLE WINAPI CopyImage( HANDLE hnd, UINT type, INT desiredx,
{
struct cursoricon_object *icon;
HICON res = 0;
int depth = (flags & LR_MONOCHROME) ? 1 : GetDeviceCaps( screen_dc, BITSPIXEL );
int depth = (flags & LR_MONOCHROME) ? 1 : GetDeviceCaps( get_screen_dc(), BITSPIXEL );
if (flags & LR_DEFAULTSIZE)
{