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gdi32: Add null driver entry points for the clipping functions.

This commit is contained in:
Alexandre Julliard 2011-03-09 16:21:45 +01:00
parent 2520a363bd
commit ec54c80ee5
3 changed files with 145 additions and 127 deletions
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249
dlls/gdi32/clipping.c
View File

@ -73,6 +73,7 @@ static inline RECT get_clip_rect( DC * dc, int left, int top, int right, int bot
void CLIPPING_UpdateGCRegion( DC * dc )
{
HRGN clip_rgn;
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDeviceClipping );
/* update the intersection of meta and clip regions */
if (dc->hMetaRgn && dc->hClipRgn)
@ -87,9 +88,7 @@ void CLIPPING_UpdateGCRegion( DC * dc )
dc->hMetaClipRgn = 0;
clip_rgn = dc->hMetaRgn ? dc->hMetaRgn : dc->hClipRgn;
}
if (dc->funcs->pSetDeviceClipping)
dc->funcs->pSetDeviceClipping( dc->physDev, dc->hVisRgn, clip_rgn );
physdev->funcs->pSetDeviceClipping( physdev, dc->hVisRgn, clip_rgn );
}
/***********************************************************************
@ -118,6 +117,105 @@ static inline void create_default_clip_region( DC * dc )
}
/***********************************************************************
* null driver fallback implementations
*/
INT CDECL nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode )
{
DC *dc = get_nulldrv_dc( dev );
INT ret;
if (!rgn)
{
if (mode != RGN_COPY)
{
FIXME("Unimplemented: hrgn NULL in mode: %d\n", mode);
return ERROR;
}
if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
dc->hClipRgn = 0;
ret = SIMPLEREGION;
}
else
{
HRGN mirrored = 0;
if (dc->layout & LAYOUT_RTL)
{
if (!(mirrored = CreateRectRgn( 0, 0, 0, 0 ))) return ERROR;
mirror_region( mirrored, rgn, dc->vis_rect.right - dc->vis_rect.left );
rgn = mirrored;
}
if (!dc->hClipRgn)
create_default_clip_region( dc );
if (mode == RGN_COPY)
ret = CombineRgn( dc->hClipRgn, rgn, 0, mode );
else
ret = CombineRgn( dc->hClipRgn, dc->hClipRgn, rgn, mode);
if (mirrored) DeleteObject( mirrored );
}
CLIPPING_UpdateGCRegion( dc );
return ret;
}
INT CDECL nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
{
DC *dc = get_nulldrv_dc( dev );
RECT rect = get_clip_rect( dc, left, top, right, bottom );
INT ret;
HRGN rgn;
if (!(rgn = CreateRectRgnIndirect( &rect ))) return ERROR;
if (!dc->hClipRgn) create_default_clip_region( dc );
ret = CombineRgn( dc->hClipRgn, dc->hClipRgn, rgn, RGN_DIFF );
DeleteObject( rgn );
if (ret != ERROR) CLIPPING_UpdateGCRegion( dc );
return ret;
}
INT CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
{
DC *dc = get_nulldrv_dc( dev );
RECT rect = get_clip_rect( dc, left, top, right, bottom );
INT ret;
HRGN rgn;
if (!dc->hClipRgn)
{
dc->hClipRgn = CreateRectRgnIndirect( &rect );
ret = SIMPLEREGION;
}
else
{
if (!(rgn = CreateRectRgnIndirect( &rect ))) return ERROR;
ret = CombineRgn( dc->hClipRgn, dc->hClipRgn, rgn, RGN_AND );
DeleteObject( rgn );
}
if (ret != ERROR) CLIPPING_UpdateGCRegion( dc );
return ret;
}
INT CDECL nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y )
{
DC *dc = get_nulldrv_dc( dev );
INT ret = NULLREGION;
if (dc->hClipRgn)
{
x = MulDiv( x, dc->vportExtX, dc->wndExtX );
y = MulDiv( y, dc->vportExtY, dc->wndExtY );
if (dc->layout & LAYOUT_RTL) x = -x;
ret = OffsetRgn( dc->hClipRgn, x, y );
CLIPPING_UpdateGCRegion( dc );
}
return ret;
}
/***********************************************************************
* SelectClipRgn (GDI32.@)
*/
@ -132,65 +230,19 @@ INT WINAPI SelectClipRgn( HDC hdc, HRGN hrgn )
*/
INT WINAPI ExtSelectClipRgn( HDC hdc, HRGN hrgn, INT fnMode )
{
INT retval;
RECT rect;
INT retval = ERROR;
DC * dc = get_dc_ptr( hdc );
if (!dc) return ERROR;
TRACE("%p %p %d\n", hdc, hrgn, fnMode );
if (dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExtSelectClipRgn );
update_dc( dc );
if (dc->funcs->pExtSelectClipRgn)
{
retval = dc->funcs->pExtSelectClipRgn( dc->physDev, hrgn, fnMode );
retval = physdev->funcs->pExtSelectClipRgn( physdev, hrgn, fnMode );
release_dc_ptr( dc );
}
return retval;
}
if (!hrgn)
{
if (fnMode == RGN_COPY)
{
if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
dc->hClipRgn = 0;
}
else
{
FIXME("Unimplemented: hrgn NULL in mode: %d\n", fnMode);
release_dc_ptr( dc );
return ERROR;
}
}
else
{
HRGN mirrored = 0;
if (dc->layout & LAYOUT_RTL)
{
if (!(mirrored = CreateRectRgn( 0, 0, 0, 0 )))
{
release_dc_ptr( dc );
return ERROR;
}
mirror_region( mirrored, hrgn, dc->vis_rect.right - dc->vis_rect.left );
hrgn = mirrored;
}
if (!dc->hClipRgn)
create_default_clip_region( dc );
if(fnMode == RGN_COPY)
CombineRgn( dc->hClipRgn, hrgn, 0, fnMode );
else
CombineRgn( dc->hClipRgn, dc->hClipRgn, hrgn, fnMode);
if (mirrored) DeleteObject( mirrored );
}
CLIPPING_UpdateGCRegion( dc );
release_dc_ptr( dc );
return GetClipBox(hdc, &rect);
}
/***********************************************************************
@ -222,26 +274,18 @@ void CDECL __wine_set_visible_region( HDC hdc, HRGN hrgn, const RECT *vis_rect )
*/
INT WINAPI OffsetClipRgn( HDC hdc, INT x, INT y )
{
INT ret = SIMPLEREGION;
INT ret = ERROR;
DC *dc = get_dc_ptr( hdc );
if (!dc) return ERROR;
TRACE("%p %d,%d\n", hdc, x, y );
update_dc( dc );
if(dc->funcs->pOffsetClipRgn)
if (dc)
{
ret = dc->funcs->pOffsetClipRgn( dc->physDev, x, y );
/* FIXME: ret is just a success flag, we should return a proper value */
}
else if (dc->hClipRgn) {
x = MulDiv( x, dc->vportExtX, dc->wndExtX );
y = MulDiv( y, dc->vportExtY, dc->wndExtY );
if (dc->layout & LAYOUT_RTL) x = -x;
ret = OffsetRgn( dc->hClipRgn, x, y );
CLIPPING_UpdateGCRegion( dc );
}
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pOffsetClipRgn );
update_dc( dc );
ret = physdev->funcs->pOffsetClipRgn( physdev, x, y );
release_dc_ptr( dc );
}
return ret;
}
@ -252,34 +296,18 @@ INT WINAPI OffsetClipRgn( HDC hdc, INT x, INT y )
INT WINAPI ExcludeClipRect( HDC hdc, INT left, INT top,
INT right, INT bottom )
{
HRGN newRgn;
INT ret;
INT ret = ERROR;
DC *dc = get_dc_ptr( hdc );
if (!dc) return ERROR;
TRACE("%p %dx%d,%dx%d\n", hdc, left, top, right, bottom );
TRACE("%p %d,%d-%d,%d\n", hdc, left, top, right, bottom );
if (dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExcludeClipRect );
update_dc( dc );
if(dc->funcs->pExcludeClipRect)
{
ret = dc->funcs->pExcludeClipRect( dc->physDev, left, top, right, bottom );
/* FIXME: ret is just a success flag, we should return a proper value */
}
else
{
RECT rect = get_clip_rect( dc, left, top, right, bottom );
if (!(newRgn = CreateRectRgnIndirect( &rect ))) ret = ERROR;
else
{
if (!dc->hClipRgn)
create_default_clip_region( dc );
ret = CombineRgn( dc->hClipRgn, dc->hClipRgn, newRgn, RGN_DIFF );
DeleteObject( newRgn );
}
if (ret != ERROR) CLIPPING_UpdateGCRegion( dc );
}
ret = physdev->funcs->pExcludeClipRect( physdev, left, top, right, bottom );
release_dc_ptr( dc );
}
return ret;
}
@ -289,41 +317,18 @@ INT WINAPI ExcludeClipRect( HDC hdc, INT left, INT top,
*/
INT WINAPI IntersectClipRect( HDC hdc, INT left, INT top, INT right, INT bottom )
{
INT ret;
INT ret = ERROR;
DC *dc = get_dc_ptr( hdc );
if (!dc) return ERROR;
TRACE("%p %d,%d - %d,%d\n", hdc, left, top, right, bottom );
if (dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pIntersectClipRect );
update_dc( dc );
if(dc->funcs->pIntersectClipRect)
{
ret = dc->funcs->pIntersectClipRect( dc->physDev, left, top, right, bottom );
/* FIXME: ret is just a success flag, we should return a proper value */
}
else
{
RECT rect = get_clip_rect( dc, left, top, right, bottom );
if (!dc->hClipRgn)
{
dc->hClipRgn = CreateRectRgnIndirect( &rect );
ret = SIMPLEREGION;
}
else
{
HRGN newRgn;
if (!(newRgn = CreateRectRgnIndirect( &rect ))) ret = ERROR;
else
{
ret = CombineRgn( dc->hClipRgn, dc->hClipRgn, newRgn, RGN_AND );
DeleteObject( newRgn );
}
}
if (ret != ERROR) CLIPPING_UpdateGCRegion( dc );
}
ret = physdev->funcs->pIntersectClipRect( physdev, left, top, right, bottom );
release_dc_ptr( dc );
}
return ret;
}
@ -362,7 +367,7 @@ BOOL WINAPI RectVisible( HDC hdc, const RECT* rect )
HRGN clip;
DC *dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
TRACE("%p %d,%dx%d,%d\n", hdc, rect->left, rect->top, rect->right, rect->bottom );
TRACE("%p %s\n", hdc, wine_dbgstr_rect( rect ));
tmpRect = *rect;
LPtoDP( hdc, (POINT *)&tmpRect, 2 );

14
dlls/gdi32/driver.c
View File

@ -408,6 +408,10 @@ static BOOL CDECL nulldrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
return TRUE;
}
static void CDECL nulldrv_SetDeviceClipping( PHYSDEV dev, HRGN vis_rgn, HRGN clip_rgn )
{
}
static COLORREF CDECL nulldrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
{
return color;
@ -450,11 +454,11 @@ const DC_FUNCTIONS null_driver =
NULL, /* pEndPath */
NULL, /* pEnumICMProfiles */
NULL, /* pEnumDeviceFonts */
NULL, /* pExcludeClipRect */
nulldrv_ExcludeClipRect, /* pExcludeClipRect */
NULL, /* pExtDeviceMode */
NULL, /* pExtEscape */
nulldrv_ExtFloodFill, /* pExtFloodFill */
NULL, /* pExtSelectClipRgn */
nulldrv_ExtSelectClipRgn, /* pExtSelectClipRgn */
NULL, /* pExtTextOut */
NULL, /* pFillPath */
nulldrv_FillRgn, /* pFillRgn */
@ -473,12 +477,12 @@ const DC_FUNCTIONS null_driver =
NULL, /* pGetSystemPaletteEntries */
NULL, /* pGetTextExtentExPoint */
NULL, /* pGetTextMetrics */
NULL, /* pIntersectClipRect */
nulldrv_IntersectClipRect, /* pIntersectClipRect */
nulldrv_InvertRgn, /* pInvertRgn */
nulldrv_LineTo, /* pLineTo */
NULL, /* pModifyWorldTransform */
nulldrv_MoveTo, /* pMoveTo */
NULL, /* pOffsetClipRgn */
nulldrv_OffsetClipRgn, /* pOffsetClipRgn */
NULL, /* pOffsetViewportOrg */
NULL, /* pOffsetWindowOrg */
nulldrv_PaintRgn, /* pPaintRgn */
@ -516,7 +520,7 @@ const DC_FUNCTIONS null_driver =
NULL, /* pSetDIBColorTable */
NULL, /* pSetDIBits */
NULL, /* pSetDIBitsToDevice */
NULL, /* pSetDeviceClipping */
nulldrv_SetDeviceClipping, /* pSetDeviceClipping */
NULL, /* pSetDeviceGammaRamp */
NULL, /* pSetMapMode */
NULL, /* pSetMapperFlags */

9
dlls/gdi32/gdi_private.h
View File

@ -504,14 +504,23 @@ extern BOOL REGION_FrameRgn( HRGN dest, HRGN src, INT x, INT y ) DECLSPEC_HIDDEN
/* null driver entry points */
extern BOOL CDECL nulldrv_AngleArc( PHYSDEV dev, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT xstart, INT ystart, INT xend, INT yend ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_ExcludeClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_ExtSelectClipRgn( PHYSDEV dev, HRGN rgn, INT mode ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_OffsetClipRgn( PHYSDEV dev, INT x, INT y ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_PolyBezier( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_PolyBezierTo( PHYSDEV dev, const POINT *points, DWORD count ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_PolyDraw( PHYSDEV dev, const POINT *points, const BYTE *types, DWORD count ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT count ) DECLSPEC_HIDDEN;
static inline DC *get_nulldrv_dc( PHYSDEV dev )
{
return CONTAINING_RECORD( dev, DC, nulldrv );
}
/* Undocumented value for DIB's iUsage: Indicates a mono DIB w/o pal entries */
#define DIB_PAL_MONO 2