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gdi32: Implement SetVirtualResolution.

This commit is contained in:
Huw Davies 2009-06-23 14:55:32 +01:00 committed by Alexandre Julliard
parent 8c7feab0f9
commit 5c386041fc
5 changed files with 75 additions and 19 deletions
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16
dlls/gdi32/dc.c
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@ -252,6 +252,7 @@ void DC_InitDC( DC* dc )
SelectObject( dc->hSelf, dc->hBrush );
SelectObject( dc->hSelf, dc->hFont );
CLIPPING_UpdateGCRegion( dc );
SetVirtualResolution( dc->hSelf, 0, 0, 0, 0 );
}
@ -386,6 +387,8 @@ INT save_dc_state( HDC hdc )
newdc->vportOrgY = dc->vportOrgY;
newdc->vportExtX = dc->vportExtX;
newdc->vportExtY = dc->vportExtY;
newdc->virtual_res = dc->virtual_res;
newdc->virtual_size = dc->virtual_size;
newdc->BoundsRect = dc->BoundsRect;
newdc->gdiFont = dc->gdiFont;
@ -524,6 +527,8 @@ BOOL restore_dc_state( HDC hdc, INT level )
dc->vportOrgY = dcs->vportOrgY;
dc->vportExtX = dcs->vportExtX;
dc->vportExtY = dcs->vportExtY;
dc->virtual_res = dcs->virtual_res;
dc->virtual_size = dcs->virtual_size;
if (dcs->hClipRgn)
{
@ -2103,17 +2108,6 @@ BOOL WINAPI CancelDC(HDC hdc)
return TRUE;
}
/***********************************************************************
* SetVirtualResolution (GDI32.@)
*
* Undocumented on msdn. Called when PowerPoint XP saves a file.
*/
DWORD WINAPI SetVirtualResolution(HDC hdc, DWORD dw2, DWORD dw3, DWORD dw4, DWORD dw5)
{
FIXME("(%p %08x %08x %08x %08x): stub!\n", hdc, dw2, dw3, dw4, dw5);
return FALSE;
}
/*******************************************************************
* GetMiterLimit [GDI32.@]
*

2
dlls/gdi32/enhmfdrv/init.c
View File

@ -358,6 +358,8 @@ HDC WINAPI CreateEnhMetaFileW(
physDev->numcolors = GetDeviceCaps(hRefDC, NUMCOLORS);
physDev->restoring = 0;
SetVirtualResolution(dc->hSelf, 0, 0, 0, 0);
physDev->emh->iType = EMR_HEADER;
physDev->emh->nSize = size;

4
dlls/gdi32/gdi_private.h
View File

@ -263,6 +263,8 @@ typedef struct tagDC
INT vportOrgY;
INT vportExtX; /* Viewport extent */
INT vportExtY;
SIZE virtual_res; /* Initially HORZRES,VERTRES. Changed by SetVirtualResolution */
SIZE virtual_size; /* Initially HORZSIZE,VERTSIZE. Changed by SetVirtualResolution */
FLOAT miterLimit;
int flags;
@ -511,4 +513,6 @@ extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN
BOOL WINAPI FontIsLinked(HDC);
BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res, DWORD horz_size, DWORD vert_size);
#endif /* __WINE_GDI_PRIVATE_H */

70
dlls/gdi32/mapping.c
View File

@ -37,10 +37,10 @@ WINE_DEFAULT_DEBUG_CHANNEL(dc);
*/
static void MAPPING_FixIsotropic( DC * dc )
{
double xdim = fabs((double)dc->vportExtX * GetDeviceCaps( dc->hSelf, HORZSIZE ) /
(GetDeviceCaps( dc->hSelf, HORZRES ) * dc->wndExtX));
double ydim = fabs((double)dc->vportExtY * GetDeviceCaps( dc->hSelf, VERTSIZE ) /
(GetDeviceCaps( dc->hSelf, VERTRES ) * dc->wndExtY));
double xdim = fabs((double)dc->vportExtX * dc->virtual_size.cx /
(dc->virtual_res.cx * dc->wndExtX));
double ydim = fabs((double)dc->vportExtY * dc->virtual_size.cy /
(dc->virtual_res.cy * dc->wndExtY));
if (xdim > ydim)
{
@ -137,10 +137,10 @@ INT WINAPI SetMapMode( HDC hdc, INT mode )
if (mode == dc->MapMode && (mode == MM_ISOTROPIC || mode == MM_ANISOTROPIC))
goto done;
horzSize = GetDeviceCaps( hdc, HORZSIZE );
vertSize = GetDeviceCaps( hdc, VERTSIZE );
horzRes = GetDeviceCaps( hdc, HORZRES );
vertRes = GetDeviceCaps( hdc, VERTRES );
horzSize = dc->virtual_size.cx;
vertSize = dc->virtual_size.cy;
horzRes = dc->virtual_res.cx;
vertRes = dc->virtual_res.cy;
switch(mode)
{
case MM_TEXT:
@ -481,3 +481,57 @@ BOOL WINAPI ScaleWindowExtEx( HDC hdc, INT xNum, INT xDenom,
release_dc_ptr( dc );
return ret;
}
/***********************************************************************
* SetVirtualResolution (GDI32.@)
*
* Undocumented on msdn.
*
* Changes the values of screen size in pixels and millimeters used by
* the mapping mode functions.
*
* PARAMS
* hdc [I] Device context
* horz_res [I] Width in pixels (equivalent to HORZRES device cap).
* vert_res [I] Height in pixels (equivalent to VERTRES device cap).
* horz_size [I] Width in mm (equivalent to HORZSIZE device cap).
* vert_size [I] Height in mm (equivalent to VERTSIZE device cap).
*
* RETURNS
* TRUE if successful.
* FALSE if any (but not all) of the last four params are zero.
*
* NOTES
* This doesn't change the values returned by GetDeviceCaps, just the
* scaling of the mapping modes.
*
* Calling with the last four params equal to zero sets the values
* back to their defaults obtained by calls to GetDeviceCaps.
*/
BOOL WINAPI SetVirtualResolution(HDC hdc, DWORD horz_res, DWORD vert_res,
DWORD horz_size, DWORD vert_size)
{
DC * dc;
TRACE("(%p %d %d %d %d)\n", hdc, horz_res, vert_res, horz_size, vert_size);
if(horz_res == 0 && vert_res == 0 && horz_size == 0 && vert_size == 0)
{
horz_res = GetDeviceCaps(hdc, HORZRES);
vert_res = GetDeviceCaps(hdc, VERTRES);
horz_size = GetDeviceCaps(hdc, HORZSIZE);
vert_size = GetDeviceCaps(hdc, VERTSIZE);
}
else if(horz_res == 0 || vert_res == 0 || horz_size == 0 || vert_size == 0)
return FALSE;
dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
dc->virtual_res.cx = horz_res;
dc->virtual_res.cy = vert_res;
dc->virtual_size.cx = horz_size;
dc->virtual_size.cy = vert_size;
release_dc_ptr( dc );
return TRUE;
}

2
dlls/gdi32/mfdrv/init.c
View File

@ -197,6 +197,8 @@ static DC *MFDRV_AllocMetaFile(void)
physDev->mh->mtMaxRecord = 0;
physDev->mh->mtNoParameters = 0;
SetVirtualResolution(dc->hSelf, 0, 0, 0, 0);
return dc;
}