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gdi32: Take DPI awareness into account for the LOGPIXELSX/Y device caps. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2018-04-12 13:25:16 +02:00
parent 74a9c91964
commit 31967ef51d
4 changed files with 20 additions and 5 deletions
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5
dlls/gdi32/driver.c
View File

@ -298,7 +298,6 @@ static BOOL nulldrv_GetCharWidth( PHYSDEV dev, UINT first, UINT last, INT *buffe
static INT nulldrv_GetDeviceCaps( PHYSDEV dev, INT cap )
{
static int screen_dpi;
int bpp;
switch (cap)
@ -351,9 +350,7 @@ static INT nulldrv_GetDeviceCaps( PHYSDEV dev, INT cap )
case SHADEBLENDCAPS: return 0;
case COLORMGMTCAPS: return 0;
case LOGPIXELSX:
case LOGPIXELSY:
if (!screen_dpi && !(screen_dpi = get_dpi())) screen_dpi = 96;
return screen_dpi;
case LOGPIXELSY: return get_system_dpi();
case NUMCOLORS:
bpp = GetDeviceCaps( dev->hdc, BITSPIXEL );
return (bpp > 8) ? -1 : (1 << bpp);

1
dlls/gdi32/gdi_private.h
View File

@ -304,6 +304,7 @@ extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
extern void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
extern DWORD get_dpi(void) DECLSPEC_HIDDEN;
extern DWORD get_system_dpi(void) DECLSPEC_HIDDEN;
/* mapping.c */
extern BOOL dp_to_lp( DC *dc, POINT *points, INT count ) DECLSPEC_HIDDEN;

18
dlls/gdi32/gdiobj.c
View File

@ -641,6 +641,24 @@ DWORD get_dpi(void)
return 0;
}
/******************************************************************************
* get_system_dpi
*
* Get the system DPI, based on the DPI awareness mode.
*/
DWORD get_system_dpi(void)
{
static UINT (WINAPI *pGetDpiForSystem)(void);
if (!pGetDpiForSystem)
{
static const WCHAR user32W[] = {'u','s','e','r','3','2','.','d','l','l',0};
HMODULE user = GetModuleHandleW( user32W );
if (user) pGetDpiForSystem = (void *)GetProcAddress( user, "GetDpiForSystem" );
}
return pGetDpiForSystem ? pGetDpiForSystem() : 96;
}
static HFONT create_scaled_font( const LOGFONTW *deffont )
{
LOGFONTW lf;

1
dlls/user32/tests/sysparams.c
View File

@ -3091,7 +3091,6 @@ static void test_dpi_aware(void)
dpi = pGetDpiForSystem();
ok( dpi == USER_DEFAULT_SCREEN_DPI, "wrong dpi %u\n", dpi );
dpi = GetDeviceCaps( hdc, LOGPIXELSX );
todo_wine_if (real_dpi != USER_DEFAULT_SCREEN_DPI)
ok( dpi == USER_DEFAULT_SCREEN_DPI, "wrong dpi %u\n", dpi );
ok( !pIsProcessDPIAware(), "still aware\n" );
context = pGetThreadDpiAwarenessContext();