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user32: Also user the thread-safe display DC in icon functions. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2018-01-23 12:30:22 +01:00
parent daa832f4bf
commit e7e576d675
3 changed files with 29 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

78
dlls/user32/cursoricon.c
View File

@ -92,15 +92,20 @@ struct animated_cursoricon_object
HICON frames[1]; /* list of animated cursor frames */
};
static HDC get_screen_dc(void)
static HBITMAP create_color_bitmap( int width, int height )
{
static const WCHAR DISPLAYW[] = {'D','I','S','P','L','A','Y',0};
static HDC screen_dc;
HDC hdc = get_display_dc();
HBITMAP ret = CreateCompatibleBitmap( hdc, width, height );
release_display_dc( hdc );
return ret;
}
if (!screen_dc)
screen_dc = CreateDCW( DISPLAYW, NULL, NULL, NULL );
return screen_dc;
static int get_display_bpp(void)
{
HDC hdc = get_display_dc();
int ret = GetDeviceCaps( hdc, BITSPIXEL );
release_display_dc( hdc );
return ret;
}
static HICON alloc_icon_handle( BOOL is_ani, UINT num_steps )
@ -811,7 +816,6 @@ 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;
@ -875,8 +879,6 @@ static HICON create_icon_from_bmi( const BITMAPINFO *bmi, DWORD maxsize, HMODULE
hotspot.y = (hotspot.y * height) / (bmi_height / 2);
}
if (!(screen_dc = get_screen_dc())) return 0;
if (!(bmi_copy = HeapAlloc( GetProcessHeap(), 0, max( size, FIELD_OFFSET( BITMAPINFO, bmiColors[2] )))))
return 0;
if (!(hdc = CreateCompatibleDC( 0 ))) goto done;
@ -906,8 +908,7 @@ static HICON create_icon_from_bmi( const BITMAPINFO *bmi, DWORD maxsize, HMODULE
else
{
if (!(mask = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
if (!(color = CreateBitmap( width, height, GetDeviceCaps( screen_dc, PLANES ),
GetDeviceCaps( screen_dc, BITSPIXEL ), NULL )))
if (!(color = create_color_bitmap( width, height )))
{
DeleteObject( mask );
goto done;
@ -1830,11 +1831,7 @@ INT WINAPI LookupIconIdFromDirectoryEx( LPBYTE xdir, BOOL bIcon,
if( dir && !dir->idReserved && (dir->idType & 3) )
{
const CURSORICONDIRENTRY* entry;
const HDC hdc = GetDC(0);
const int depth = (cFlag & LR_MONOCHROME) ?
1 : GetDeviceCaps(hdc, BITSPIXEL);
ReleaseDC(0, hdc);
int depth = (cFlag & LR_MONOCHROME) ? 1 : get_display_bpp();
if( bIcon )
entry = CURSORICON_FindBestIconRes( dir, ~0u, width, height, depth, LR_DEFAULTSIZE );
@ -2168,7 +2165,7 @@ HICON WINAPI CreateIconIndirect(PICONINFO iconinfo)
height = bmpXor.bmHeight;
if (bmpXor.bmPlanes * bmpXor.bmBitsPixel != 1 || bmpAnd.bmPlanes * bmpAnd.bmBitsPixel != 1)
{
color = CreateCompatibleBitmap( get_screen_dc(), width, height );
color = create_color_bitmap( width, height );
mask = CreateBitmap( width, height, 1, 1, NULL );
}
else mask = CreateBitmap( width, height * 2, 1, 1, NULL );
@ -2498,7 +2495,6 @@ 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))
{
@ -2578,22 +2574,21 @@ static HBITMAP BITMAP_Load( HINSTANCE instance, LPCWSTR name,
if (new_height < 0) new_height = -new_height;
screen_dc = get_screen_dc();
if (!(screen_mem_dc = CreateCompatibleDC( screen_dc ))) goto end;
if (!(screen_mem_dc = CreateCompatibleDC( 0 ))) goto end;
bits = (char *)info + (offbits ? offbits : size);
if (loadflags & LR_CREATEDIBSECTION)
{
scaled_info->bmiHeader.biCompression = 0; /* DIBSection can't be compressed */
hbitmap = CreateDIBSection(screen_dc, scaled_info, DIB_RGB_COLORS, NULL, 0, 0);
hbitmap = CreateDIBSection(0, scaled_info, DIB_RGB_COLORS, NULL, 0, 0);
}
else
{
if (is_dib_monochrome(fix_info))
hbitmap = CreateBitmap(new_width, new_height, 1, 1, NULL);
else
hbitmap = CreateCompatibleBitmap(screen_dc, new_width, new_height);
hbitmap = create_color_bitmap(new_width, new_height);
}
orig_bm = SelectObject(screen_mem_dc, hbitmap);
@ -2672,13 +2667,7 @@ HANDLE WINAPI LoadImageW( HINSTANCE hinst, LPCWSTR name, UINT type,
case IMAGE_ICON:
case IMAGE_CURSOR:
depth = 1;
if (!(loadflags & LR_MONOCHROME))
{
HDC screen_dc;
if ((screen_dc = get_screen_dc()))
depth = GetDeviceCaps( screen_dc, BITSPIXEL );
}
if (!(loadflags & LR_MONOCHROME)) depth = get_display_bpp();
return CURSORICON_Load(hinst, name, desiredx, desiredy, depth, (type == IMAGE_CURSOR), loadflags);
}
return 0;
@ -2818,37 +2807,18 @@ HANDLE WINAPI CopyImage( HANDLE hnd, UINT type, INT desiredx,
}
if (monochrome)
{
res = CreateBitmap(desiredx, desiredy, 1, 1, NULL);
}
else
{
HDC screenDC = GetDC(NULL);
res = CreateCompatibleBitmap(screenDC, desiredx, desiredy);
ReleaseDC(NULL, screenDC);
}
res = create_color_bitmap(desiredx, desiredy);
}
if (res)
{
/* Only copy the bitmap if it's a DIB section or if it's
compatible to the screen */
BOOL copyContents;
if (objSize == sizeof(DIBSECTION))
{
copyContents = TRUE;
}
else
{
HDC screenDC = GetDC(NULL);
int screen_depth = GetDeviceCaps(screenDC, BITSPIXEL);
ReleaseDC(NULL, screenDC);
copyContents = (ds.dsBm.bmBitsPixel == 1 || ds.dsBm.bmBitsPixel == screen_depth);
}
if (copyContents)
if (objSize == sizeof(DIBSECTION) ||
ds.dsBm.bmBitsPixel == 1 ||
ds.dsBm.bmBitsPixel == get_display_bpp())
{
/* The source bitmap may already be selected in a device context,
use GetDIBits/StretchDIBits and not StretchBlt */
@ -2901,7 +2871,7 @@ HANDLE WINAPI CopyImage( HANDLE hnd, UINT type, INT desiredx,
{
struct cursoricon_object *icon;
HICON res = 0;
int depth = (flags & LR_MONOCHROME) ? 1 : GetDeviceCaps( get_screen_dc(), BITSPIXEL );
int depth = (flags & LR_MONOCHROME) ? 1 : get_display_bpp();
if (flags & LR_DEFAULTSIZE)
{

10
dlls/user32/sysparams.c
View File

@ -612,19 +612,15 @@ static BOOL init_entry_string( struct sysparam_entry *entry, const WCHAR *str )
return init_entry( entry, str, (strlenW(str) + 1) * sizeof(WCHAR), REG_SZ );
}
static inline HDC get_display_dc(void)
HDC get_display_dc(void)
{
static const WCHAR DISPLAY[] = {'D','I','S','P','L','A','Y',0};
EnterCriticalSection( &display_dc_section );
if (!display_dc)
{
display_dc = CreateICW( DISPLAY, NULL, NULL, NULL );
__wine_make_gdi_object_system( display_dc, TRUE );
}
if (!display_dc) display_dc = CreateDCW( DISPLAY, NULL, NULL, NULL );
return display_dc;
}
static inline void release_display_dc( HDC hdc )
void release_display_dc( HDC hdc )
{
LeaveCriticalSection( &display_dc_section );
}

2
dlls/user32/user_private.h
View File

@ -227,6 +227,8 @@ extern BOOL FOCUS_MouseActivate( HWND hwnd ) DECLSPEC_HIDDEN;
extern BOOL set_capture_window( HWND hwnd, UINT gui_flags, HWND *prev_ret ) DECLSPEC_HIDDEN;
extern void free_dce( struct dce *dce, HWND hwnd ) DECLSPEC_HIDDEN;
extern void invalidate_dce( struct tagWND *win, const RECT *rect ) DECLSPEC_HIDDEN;
extern HDC get_display_dc(void) DECLSPEC_HIDDEN;
extern void release_display_dc( HDC hdc ) DECLSPEC_HIDDEN;
extern void erase_now( HWND hwnd, UINT rdw_flags ) DECLSPEC_HIDDEN;
extern void move_window_bits( HWND hwnd, struct window_surface *old_surface,
struct window_surface *new_surface,