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wine/dlls/gdi32/dc.c
Huw Davies 0805b0d567 gdi32: Add the ability to disable a DC. 
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2017-01-26 10:46:20 +01:00

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/*
* GDI Device Context functions
*
* Copyright 1993 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <assert.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winreg.h"
#include "winternl.h"
#include "winerror.h"
#include "gdi_private.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dc);
static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
static BOOL DC_DeleteObject( HGDIOBJ handle );
static const struct gdi_obj_funcs dc_funcs =
{
NULL, /* pSelectObject */
NULL, /* pGetObjectA */
NULL, /* pGetObjectW */
NULL, /* pUnrealizeObject */
DC_DeleteObject /* pDeleteObject */
};
static inline DC *get_dc_obj( HDC hdc )
{
WORD type;
DC *dc = get_any_obj_ptr( hdc, &type );
if (!dc) return NULL;
switch (type)
{
case OBJ_DC:
case OBJ_MEMDC:
case OBJ_METADC:
case OBJ_ENHMETADC:
return dc;
default:
GDI_ReleaseObj( hdc );
SetLastError( ERROR_INVALID_HANDLE );
return NULL;
}
}
/***********************************************************************
* set_initial_dc_state
*/
static void set_initial_dc_state( DC *dc )
{
dc->wnd_org.x = 0;
dc->wnd_org.y = 0;
dc->wnd_ext.cx = 1;
dc->wnd_ext.cy = 1;
dc->vport_org.x = 0;
dc->vport_org.y = 0;
dc->vport_ext.cx = 1;
dc->vport_ext.cy = 1;
dc->miterLimit = 10.0f; /* 10.0 is the default, from MSDN */
dc->layout = 0;
dc->font_code_page = CP_ACP;
dc->ROPmode = R2_COPYPEN;
dc->polyFillMode = ALTERNATE;
dc->stretchBltMode = BLACKONWHITE;
dc->relAbsMode = ABSOLUTE;
dc->backgroundMode = OPAQUE;
dc->backgroundColor = RGB( 255, 255, 255 );
dc->dcBrushColor = RGB( 255, 255, 255 );
dc->dcPenColor = RGB( 0, 0, 0 );
dc->textColor = RGB( 0, 0, 0 );
dc->brush_org.x = 0;
dc->brush_org.y = 0;
dc->mapperFlags = 0;
dc->textAlign = TA_LEFT | TA_TOP | TA_NOUPDATECP;
dc->charExtra = 0;
dc->breakExtra = 0;
dc->breakRem = 0;
dc->MapMode = MM_TEXT;
dc->GraphicsMode = GM_COMPATIBLE;
dc->cur_pos.x = 0;
dc->cur_pos.y = 0;
dc->ArcDirection = AD_COUNTERCLOCKWISE;
dc->xformWorld2Wnd.eM11 = 1.0f;
dc->xformWorld2Wnd.eM12 = 0.0f;
dc->xformWorld2Wnd.eM21 = 0.0f;
dc->xformWorld2Wnd.eM22 = 1.0f;
dc->xformWorld2Wnd.eDx = 0.0f;
dc->xformWorld2Wnd.eDy = 0.0f;
dc->xformWorld2Vport = dc->xformWorld2Wnd;
dc->xformVport2World = dc->xformWorld2Wnd;
dc->vport2WorldValid = TRUE;
reset_bounds( &dc->bounds );
}
/***********************************************************************
* alloc_dc_ptr
*/
DC *alloc_dc_ptr( WORD magic )
{
DC *dc;
if (!(dc = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dc) ))) return NULL;
dc->nulldrv.funcs = &null_driver;
dc->physDev = &dc->nulldrv;
dc->thread = GetCurrentThreadId();
dc->refcount = 1;
dc->hPen = GDI_inc_ref_count( GetStockObject( BLACK_PEN ));
dc->hBrush = GDI_inc_ref_count( GetStockObject( WHITE_BRUSH ));
dc->hFont = GDI_inc_ref_count( GetStockObject( SYSTEM_FONT ));
dc->hPalette = GetStockObject( DEFAULT_PALETTE );
set_initial_dc_state( dc );
if (!(dc->hSelf = alloc_gdi_handle( dc, magic, &dc_funcs )))
{
HeapFree( GetProcessHeap(), 0, dc );
return NULL;
}
dc->nulldrv.hdc = dc->hSelf;
if (font_driver && !font_driver->pCreateDC( &dc->physDev, NULL, NULL, NULL, NULL ))
{
free_dc_ptr( dc );
return NULL;
}
return dc;
}
/***********************************************************************
* free_dc_state
*/
static void free_dc_state( DC *dc )
{
if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
if (dc->region) DeleteObject( dc->region );
if (dc->path) free_gdi_path( dc->path );
HeapFree( GetProcessHeap(), 0, dc );
}
/***********************************************************************
* free_dc_ptr
*/
void free_dc_ptr( DC *dc )
{
assert( dc->refcount == 1 );
while (dc->physDev != &dc->nulldrv)
{
PHYSDEV physdev = dc->physDev;
dc->physDev = physdev->next;
physdev->funcs->pDeleteDC( physdev );
}
GDI_dec_ref_count( dc->hPen );
GDI_dec_ref_count( dc->hBrush );
GDI_dec_ref_count( dc->hFont );
if (dc->hBitmap) GDI_dec_ref_count( dc->hBitmap );
free_gdi_handle( dc->hSelf );
free_dc_state( dc );
}
/***********************************************************************
* get_dc_ptr
*
* Retrieve a DC pointer but release the GDI lock.
*/
DC *get_dc_ptr( HDC hdc )
{
DC *dc = get_dc_obj( hdc );
if (!dc) return NULL;
if (dc->disabled)
{
GDI_ReleaseObj( hdc );
return NULL;
}
if (!InterlockedCompareExchange( &dc->refcount, 1, 0 ))
{
dc->thread = GetCurrentThreadId();
}
else if (dc->thread != GetCurrentThreadId())
{
WARN( "dc %p belongs to thread %04x\n", hdc, dc->thread );
GDI_ReleaseObj( hdc );
return NULL;
}
else InterlockedIncrement( &dc->refcount );
GDI_ReleaseObj( hdc );
return dc;
}
/***********************************************************************
* release_dc_ptr
*/
void release_dc_ptr( DC *dc )
{
LONG ref;
dc->thread = 0;
ref = InterlockedDecrement( &dc->refcount );
assert( ref >= 0 );
if (ref) dc->thread = GetCurrentThreadId(); /* we still own it */
}
/***********************************************************************
* update_dc
*
* Make sure the DC vis region is up to date.
* This function may call up to USER so the GDI lock should _not_
* be held when calling it.
*/
void update_dc( DC *dc )
{
if (InterlockedExchange( &dc->dirty, 0 ) && dc->hookProc)
dc->hookProc( dc->hSelf, DCHC_INVALIDVISRGN, dc->dwHookData, 0 );
}
/***********************************************************************
* DC_DeleteObject
*/
static BOOL DC_DeleteObject( HGDIOBJ handle )
{
return DeleteDC( handle );
}
/***********************************************************************
* DC_InitDC
*
* Setup device-specific DC values for a newly created DC.
*/
void DC_InitDC( DC* dc )
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pRealizeDefaultPalette );
physdev->funcs->pRealizeDefaultPalette( physdev );
SetTextColor( dc->hSelf, dc->textColor );
SetBkColor( dc->hSelf, dc->backgroundColor );
SelectObject( dc->hSelf, dc->hPen );
SelectObject( dc->hSelf, dc->hBrush );
SelectObject( dc->hSelf, dc->hFont );
update_dc_clipping( dc );
SetVirtualResolution( dc->hSelf, 0, 0, 0, 0 );
physdev = GET_DC_PHYSDEV( dc, pSetBoundsRect );
physdev->funcs->pSetBoundsRect( physdev, &dc->bounds, dc->bounds_enabled ? DCB_ENABLE : DCB_DISABLE );
}
/***********************************************************************
* DC_InvertXform
*
* Computes the inverse of the transformation xformSrc and stores it to
* xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
* is singular.
*/
static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
{
double determinant;
determinant = xformSrc->eM11*xformSrc->eM22 -
xformSrc->eM12*xformSrc->eM21;
if (determinant > -1e-12 && determinant < 1e-12)
return FALSE;
xformDest->eM11 = xformSrc->eM22 / determinant;
xformDest->eM12 = -xformSrc->eM12 / determinant;
xformDest->eM21 = -xformSrc->eM21 / determinant;
xformDest->eM22 = xformSrc->eM11 / determinant;
xformDest->eDx = -xformSrc->eDx * xformDest->eM11 -
xformSrc->eDy * xformDest->eM21;
xformDest->eDy = -xformSrc->eDx * xformDest->eM12 -
xformSrc->eDy * xformDest->eM22;
return TRUE;
}
/* Construct a transformation to do the window-to-viewport conversion */
static void construct_window_to_viewport(DC *dc, XFORM *xform)
{
double scaleX, scaleY;
scaleX = (double)dc->vport_ext.cx / (double)dc->wnd_ext.cx;
scaleY = (double)dc->vport_ext.cy / (double)dc->wnd_ext.cy;
if (dc->layout & LAYOUT_RTL) scaleX = -scaleX;
xform->eM11 = scaleX;
xform->eM12 = 0.0;
xform->eM21 = 0.0;
xform->eM22 = scaleY;
xform->eDx = (double)dc->vport_org.x - scaleX * (double)dc->wnd_org.x;
xform->eDy = (double)dc->vport_org.y - scaleY * (double)dc->wnd_org.y;
if (dc->layout & LAYOUT_RTL) xform->eDx = dc->vis_rect.right - dc->vis_rect.left - 1 - xform->eDx;
}
/***********************************************************************
* linear_xform_cmp
*
* Compares the linear transform portion of two XFORMs (i.e. the 2x2 submatrix).
* Returns 0 if they match.
*/
static inline int linear_xform_cmp( const XFORM *a, const XFORM *b )
{
return memcmp( a, b, FIELD_OFFSET( XFORM, eDx ) );
}
/***********************************************************************
* DC_UpdateXforms
*
* Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
* fields of the specified DC by creating a transformation that
* represents the current mapping mode and combining it with the DC's
* world transform. This function should be called whenever the
* parameters associated with the mapping mode (window and viewport
* extents and origins) or the world transform change.
*/
void DC_UpdateXforms( DC *dc )
{
XFORM xformWnd2Vport, oldworld2vport;
construct_window_to_viewport(dc, &xformWnd2Vport);
oldworld2vport = dc->xformWorld2Vport;
/* Combine with the world transformation */
CombineTransform( &dc->xformWorld2Vport, &dc->xformWorld2Wnd,
&xformWnd2Vport );
/* Create inverse of world-to-viewport transformation */
dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport,
&dc->xformVport2World );
/* Reselect the font and pen back into the dc so that the size
gets updated. */
if (linear_xform_cmp( &oldworld2vport, &dc->xformWorld2Vport ) &&
!GdiIsMetaFileDC(dc->hSelf))
{
SelectObject(dc->hSelf, dc->hFont);
SelectObject(dc->hSelf, dc->hPen);
}
}
/***********************************************************************
* nulldrv_SaveDC
*/
INT nulldrv_SaveDC( PHYSDEV dev )
{
DC *newdc, *dc = get_nulldrv_dc( dev );
if (!(newdc = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*newdc )))) return 0;
newdc->layout = dc->layout;
newdc->hPen = dc->hPen;
newdc->hBrush = dc->hBrush;
newdc->hFont = dc->hFont;
newdc->hBitmap = dc->hBitmap;
newdc->hPalette = dc->hPalette;
newdc->ROPmode = dc->ROPmode;
newdc->polyFillMode = dc->polyFillMode;
newdc->stretchBltMode = dc->stretchBltMode;
newdc->relAbsMode = dc->relAbsMode;
newdc->backgroundMode = dc->backgroundMode;
newdc->backgroundColor = dc->backgroundColor;
newdc->textColor = dc->textColor;
newdc->dcBrushColor = dc->dcBrushColor;
newdc->dcPenColor = dc->dcPenColor;
newdc->brush_org = dc->brush_org;
newdc->mapperFlags = dc->mapperFlags;
newdc->textAlign = dc->textAlign;
newdc->charExtra = dc->charExtra;
newdc->breakExtra = dc->breakExtra;
newdc->breakRem = dc->breakRem;
newdc->MapMode = dc->MapMode;
newdc->GraphicsMode = dc->GraphicsMode;
newdc->cur_pos = dc->cur_pos;
newdc->ArcDirection = dc->ArcDirection;
newdc->xformWorld2Wnd = dc->xformWorld2Wnd;
newdc->xformWorld2Vport = dc->xformWorld2Vport;
newdc->xformVport2World = dc->xformVport2World;
newdc->vport2WorldValid = dc->vport2WorldValid;
newdc->wnd_org = dc->wnd_org;
newdc->wnd_ext = dc->wnd_ext;
newdc->vport_org = dc->vport_org;
newdc->vport_ext = dc->vport_ext;
newdc->virtual_res = dc->virtual_res;
newdc->virtual_size = dc->virtual_size;
/* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
if (dc->hClipRgn)
{
newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY );
}
if (dc->hMetaRgn)
{
newdc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
CombineRgn( newdc->hMetaRgn, dc->hMetaRgn, 0, RGN_COPY );
}
if (!PATH_SavePath( newdc, dc ))
{
release_dc_ptr( dc );
free_dc_state( newdc );
return 0;
}
newdc->saved_dc = dc->saved_dc;
dc->saved_dc = newdc;
return ++dc->saveLevel;
}
/***********************************************************************
* nulldrv_RestoreDC
*/
BOOL nulldrv_RestoreDC( PHYSDEV dev, INT level )
{
DC *dcs, *first_dcs, *dc = get_nulldrv_dc( dev );
INT save_level;
/* find the state level to restore */
if (abs(level) > dc->saveLevel || level == 0) return FALSE;
if (level < 0) level = dc->saveLevel + level + 1;
first_dcs = dc->saved_dc;
for (dcs = first_dcs, save_level = dc->saveLevel; save_level > level; save_level--)
dcs = dcs->saved_dc;
/* restore the state */
if (!PATH_RestorePath( dc, dcs )) return FALSE;
dc->layout = dcs->layout;
dc->ROPmode = dcs->ROPmode;
dc->polyFillMode = dcs->polyFillMode;
dc->stretchBltMode = dcs->stretchBltMode;
dc->relAbsMode = dcs->relAbsMode;
dc->backgroundMode = dcs->backgroundMode;
dc->backgroundColor = dcs->backgroundColor;
dc->textColor = dcs->textColor;
dc->dcBrushColor = dcs->dcBrushColor;
dc->dcPenColor = dcs->dcPenColor;
dc->brush_org = dcs->brush_org;
dc->mapperFlags = dcs->mapperFlags;
dc->textAlign = dcs->textAlign;
dc->charExtra = dcs->charExtra;
dc->breakExtra = dcs->breakExtra;
dc->breakRem = dcs->breakRem;
dc->MapMode = dcs->MapMode;
dc->GraphicsMode = dcs->GraphicsMode;
dc->cur_pos = dcs->cur_pos;
dc->ArcDirection = dcs->ArcDirection;
dc->xformWorld2Wnd = dcs->xformWorld2Wnd;
dc->xformWorld2Vport = dcs->xformWorld2Vport;
dc->xformVport2World = dcs->xformVport2World;
dc->vport2WorldValid = dcs->vport2WorldValid;
dc->wnd_org = dcs->wnd_org;
dc->wnd_ext = dcs->wnd_ext;
dc->vport_org = dcs->vport_org;
dc->vport_ext = dcs->vport_ext;
dc->virtual_res = dcs->virtual_res;
dc->virtual_size = dcs->virtual_size;
if (dcs->hClipRgn)
{
if (!dc->hClipRgn) dc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
CombineRgn( dc->hClipRgn, dcs->hClipRgn, 0, RGN_COPY );
}
else
{
if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
dc->hClipRgn = 0;
}
if (dcs->hMetaRgn)
{
if (!dc->hMetaRgn) dc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
CombineRgn( dc->hMetaRgn, dcs->hMetaRgn, 0, RGN_COPY );
}
else
{
if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
dc->hMetaRgn = 0;
}
DC_UpdateXforms( dc );
update_dc_clipping( dc );
SelectObject( dev->hdc, dcs->hBitmap );
SelectObject( dev->hdc, dcs->hBrush );
SelectObject( dev->hdc, dcs->hFont );
SelectObject( dev->hdc, dcs->hPen );
SetBkColor( dev->hdc, dcs->backgroundColor);
SetTextColor( dev->hdc, dcs->textColor);
GDISelectPalette( dev->hdc, dcs->hPalette, FALSE );
dc->saved_dc = dcs->saved_dc;
dcs->saved_dc = 0;
dc->saveLevel = save_level - 1;
/* now destroy all the saved DCs */
while (first_dcs)
{
DC *next = first_dcs->saved_dc;
free_dc_state( first_dcs );
first_dcs = next;
}
return TRUE;
}
/***********************************************************************
* reset_dc_state
*/
static BOOL reset_dc_state( HDC hdc )
{
DC *dc, *dcs, *next;
if (!(dc = get_dc_ptr( hdc ))) return FALSE;
set_initial_dc_state( dc );
SetBkColor( hdc, RGB( 255, 255, 255 ));
SetTextColor( hdc, RGB( 0, 0, 0 ));
SelectObject( hdc, GetStockObject( WHITE_BRUSH ));
SelectObject( hdc, GetStockObject( SYSTEM_FONT ));
SelectObject( hdc, GetStockObject( BLACK_PEN ));
SetVirtualResolution( hdc, 0, 0, 0, 0 );
GDISelectPalette( hdc, GetStockObject( DEFAULT_PALETTE ), FALSE );
SetBoundsRect( hdc, NULL, DCB_DISABLE );
AbortPath( hdc );
if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
dc->hClipRgn = 0;
dc->hMetaRgn = 0;
update_dc_clipping( dc );
for (dcs = dc->saved_dc; dcs; dcs = next)
{
next = dcs->saved_dc;
free_dc_state( dcs );
}
dc->saved_dc = NULL;
dc->saveLevel = 0;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* SaveDC (GDI32.@)
*/
INT WINAPI SaveDC( HDC hdc )
{
DC * dc;
INT ret = 0;
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSaveDC );
ret = physdev->funcs->pSaveDC( physdev );
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* RestoreDC (GDI32.@)
*/
BOOL WINAPI RestoreDC( HDC hdc, INT level )
{
PHYSDEV physdev;
DC *dc;
BOOL success = FALSE;
TRACE("%p %d\n", hdc, level );
if ((dc = get_dc_ptr( hdc )))
{
update_dc( dc );
physdev = GET_DC_PHYSDEV( dc, pRestoreDC );
success = physdev->funcs->pRestoreDC( physdev, level );
release_dc_ptr( dc );
}
return success;
}
/***********************************************************************
* CreateDCW (GDI32.@)
*/
HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
const DEVMODEW *initData )
{
HDC hdc;
DC * dc;
const struct gdi_dc_funcs *funcs;
WCHAR buf[300];
GDI_CheckNotLock();
if (!device || !DRIVER_GetDriverName( device, buf, 300 ))
{
if (!driver)
{
ERR( "no device found for %s\n", debugstr_w(device) );
return 0;
}
strcpyW(buf, driver);
}
if (!(funcs = DRIVER_load_driver( buf )))
{
ERR( "no driver found for %s\n", debugstr_w(buf) );
return 0;
}
if (!(dc = alloc_dc_ptr( OBJ_DC ))) return 0;
hdc = dc->hSelf;
dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP ));
TRACE("(driver=%s, device=%s, output=%s): returning %p\n",
debugstr_w(driver), debugstr_w(device), debugstr_w(output), dc->hSelf );
if (funcs->pCreateDC)
{
if (!funcs->pCreateDC( &dc->physDev, buf, device, output, initData ))
{
WARN("creation aborted by device\n" );
free_dc_ptr( dc );
return 0;
}
}
dc->vis_rect.left = 0;
dc->vis_rect.top = 0;
dc->vis_rect.right = GetDeviceCaps( hdc, DESKTOPHORZRES );
dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES );
DC_InitDC( dc );
release_dc_ptr( dc );
return hdc;
}
/***********************************************************************
* CreateDCA (GDI32.@)
*/
HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
const DEVMODEA *initData )
{
UNICODE_STRING driverW, deviceW, outputW;
DEVMODEW *initDataW;
HDC ret;
if (driver) RtlCreateUnicodeStringFromAsciiz(&driverW, driver);
else driverW.Buffer = NULL;
if (device) RtlCreateUnicodeStringFromAsciiz(&deviceW, device);
else deviceW.Buffer = NULL;
if (output) RtlCreateUnicodeStringFromAsciiz(&outputW, output);
else outputW.Buffer = NULL;
initDataW = NULL;
if (initData)
{
/* don't convert initData for DISPLAY driver, it's not used */
if (!driverW.Buffer || strcmpiW( driverW.Buffer, displayW ))
initDataW = GdiConvertToDevmodeW(initData);
}
ret = CreateDCW( driverW.Buffer, deviceW.Buffer, outputW.Buffer, initDataW );
RtlFreeUnicodeString(&driverW);
RtlFreeUnicodeString(&deviceW);
RtlFreeUnicodeString(&outputW);
HeapFree(GetProcessHeap(), 0, initDataW);
return ret;
}
/***********************************************************************
* CreateICA (GDI32.@)
*/
HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
const DEVMODEA* initData )
{
/* Nothing special yet for ICs */
return CreateDCA( driver, device, output, initData );
}
/***********************************************************************
* CreateICW (GDI32.@)
*/
HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
const DEVMODEW* initData )
{
/* Nothing special yet for ICs */
return CreateDCW( driver, device, output, initData );
}
/***********************************************************************
* CreateCompatibleDC (GDI32.@)
*/
HDC WINAPI CreateCompatibleDC( HDC hdc )
{
DC *dc, *origDC;
HDC ret;
const struct gdi_dc_funcs *funcs;
PHYSDEV physDev = NULL;
GDI_CheckNotLock();
if (hdc)
{
if (!(origDC = get_dc_ptr( hdc ))) return 0;
physDev = GET_DC_PHYSDEV( origDC, pCreateCompatibleDC );
funcs = physDev->funcs;
release_dc_ptr( origDC );
}
else funcs = DRIVER_load_driver( displayW );
if (!(dc = alloc_dc_ptr( OBJ_MEMDC ))) return 0;
TRACE("(%p): returning %p\n", hdc, dc->hSelf );
dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP ));
dc->vis_rect.left = 0;
dc->vis_rect.top = 0;
dc->vis_rect.right = 1;
dc->vis_rect.bottom = 1;
dc->device_rect = dc->vis_rect;
ret = dc->hSelf;
if (funcs->pCreateCompatibleDC && !funcs->pCreateCompatibleDC( physDev, &dc->physDev ))
{
WARN("creation aborted by device\n");
free_dc_ptr( dc );
return 0;
}
if (!dib_driver.pCreateDC( &dc->physDev, NULL, NULL, NULL, NULL ))
{
free_dc_ptr( dc );
return 0;
}
physDev = GET_DC_PHYSDEV( dc, pSelectBitmap );
physDev->funcs->pSelectBitmap( physDev, dc->hBitmap );
DC_InitDC( dc );
release_dc_ptr( dc );
return ret;
}
/***********************************************************************
* DeleteDC (GDI32.@)
*/
BOOL WINAPI DeleteDC( HDC hdc )
{
DC * dc;
TRACE("%p\n", hdc );
GDI_CheckNotLock();
if (!(dc = get_dc_ptr( hdc ))) return FALSE;
if (dc->refcount != 1)
{
FIXME( "not deleting busy DC %p refcount %u\n", dc->hSelf, dc->refcount );
release_dc_ptr( dc );
return FALSE;
}
/* Call hook procedure to check whether is it OK to delete this DC */
if (dc->hookProc && !dc->hookProc( dc->hSelf, DCHC_DELETEDC, dc->dwHookData, 0 ))
{
release_dc_ptr( dc );
return TRUE;
}
reset_dc_state( hdc );
free_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* ResetDCW (GDI32.@)
*/
HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
{
DC *dc;
HDC ret = 0;
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pResetDC );
ret = physdev->funcs->pResetDC( physdev, devmode );
if (ret) /* reset the visible region */
{
dc->dirty = 0;
dc->vis_rect.left = 0;
dc->vis_rect.top = 0;
dc->vis_rect.right = GetDeviceCaps( hdc, DESKTOPHORZRES );
dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES );
if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
dc->hVisRgn = 0;
update_dc_clipping( dc );
}
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* ResetDCA (GDI32.@)
*/
HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
{
DEVMODEW *devmodeW;
HDC ret;
if (devmode) devmodeW = GdiConvertToDevmodeW(devmode);
else devmodeW = NULL;
ret = ResetDCW(hdc, devmodeW);
HeapFree(GetProcessHeap(), 0, devmodeW);
return ret;
}
/***********************************************************************
* GetDeviceCaps (GDI32.@)
*/
INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
{
DC *dc;
INT ret = 0;
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDeviceCaps );
ret = physdev->funcs->pGetDeviceCaps( physdev, cap );
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetBkColor (GDI32.@)
*/
COLORREF WINAPI GetBkColor( HDC hdc )
{
COLORREF ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->backgroundColor;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetBkColor (GDI32.@)
*/
COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
{
COLORREF ret = CLR_INVALID;
DC * dc = get_dc_ptr( hdc );
TRACE("hdc=%p color=0x%08x\n", hdc, color);
if (dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkColor );
ret = dc->backgroundColor;
dc->backgroundColor = physdev->funcs->pSetBkColor( physdev, color );
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetTextColor (GDI32.@)
*/
COLORREF WINAPI GetTextColor( HDC hdc )
{
COLORREF ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->textColor;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetTextColor (GDI32.@)
*/
COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
{
COLORREF ret = CLR_INVALID;
DC * dc = get_dc_ptr( hdc );
TRACE(" hdc=%p color=0x%08x\n", hdc, color);
if (dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextColor );
ret = dc->textColor;
dc->textColor = physdev->funcs->pSetTextColor( physdev, color );
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetTextAlign (GDI32.@)
*/
UINT WINAPI GetTextAlign( HDC hdc )
{
UINT ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->textAlign;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetTextAlign (GDI32.@)
*/
UINT WINAPI SetTextAlign( HDC hdc, UINT align )
{
UINT ret = GDI_ERROR;
DC *dc = get_dc_ptr( hdc );
TRACE("hdc=%p align=%d\n", hdc, align);
if (dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextAlign );
align = physdev->funcs->pSetTextAlign( physdev, align );
if (align != GDI_ERROR)
{
ret = dc->textAlign;
dc->textAlign = align;
}
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetDCOrgEx (GDI32.@)
*/
BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
{
DC * dc;
if (!lpp) return FALSE;
if (!(dc = get_dc_ptr( hDC ))) return FALSE;
lpp->x = dc->vis_rect.left;
lpp->y = dc->vis_rect.top;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* GetGraphicsMode (GDI32.@)
*/
INT WINAPI GetGraphicsMode( HDC hdc )
{
INT ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->GraphicsMode;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetGraphicsMode (GDI32.@)
*/
INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
{
INT ret = 0;
DC *dc = get_dc_ptr( hdc );
/* One would think that setting the graphics mode to GM_COMPATIBLE
* would also reset the world transformation matrix to the unity
* matrix. However, in Windows, this is not the case. This doesn't
* make a lot of sense to me, but that's the way it is.
*/
if (!dc) return 0;
if ((mode > 0) && (mode <= GM_LAST))
{
ret = dc->GraphicsMode;
dc->GraphicsMode = mode;
}
/* font metrics depend on the graphics mode */
if (ret != mode) SelectObject(dc->hSelf, dc->hFont);
release_dc_ptr( dc );
return ret;
}
/***********************************************************************
* GetArcDirection (GDI32.@)
*/
INT WINAPI GetArcDirection( HDC hdc )
{
INT ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->ArcDirection;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetArcDirection (GDI32.@)
*/
INT WINAPI SetArcDirection( HDC hdc, INT dir )
{
DC * dc;
INT ret = 0;
if (dir != AD_COUNTERCLOCKWISE && dir != AD_CLOCKWISE)
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetArcDirection );
dir = physdev->funcs->pSetArcDirection( physdev, dir );
if (dir)
{
ret = dc->ArcDirection;
dc->ArcDirection = dir;
}
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetWorldTransform (GDI32.@)
*/
BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
{
DC * dc;
if (!xform) return FALSE;
if (!(dc = get_dc_ptr( hdc ))) return FALSE;
*xform = dc->xformWorld2Wnd;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* GetTransform (GDI32.@)
*
* Undocumented
*
* Returns one of the co-ordinate space transforms
*
* PARAMS
* hdc [I] Device context.
* which [I] Which xform to return:
* 0x203 World -> Page transform (that set by SetWorldTransform).
* 0x304 Page -> Device transform (the mapping mode transform).
* 0x204 World -> Device transform (the combination of the above two).
* 0x402 Device -> World transform (the inversion of the above).
* xform [O] The xform.
*
*/
BOOL WINAPI GetTransform( HDC hdc, DWORD which, XFORM *xform )
{
BOOL ret = TRUE;
DC *dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
switch(which)
{
case 0x203:
*xform = dc->xformWorld2Wnd;
break;
case 0x304:
construct_window_to_viewport(dc, xform);
break;
case 0x204:
*xform = dc->xformWorld2Vport;
break;
case 0x402:
*xform = dc->xformVport2World;
break;
default:
FIXME("Unknown code %x\n", which);
ret = FALSE;
}
release_dc_ptr( dc );
return ret;
}
/****************************************************************************
* CombineTransform [GDI32.@]
* Combines two transformation matrices.
*
* PARAMS
* xformResult [O] Stores the result of combining the two matrices
* xform1 [I] Specifies the first matrix to apply
* xform2 [I] Specifies the second matrix to apply
*
* REMARKS
* The same matrix can be passed in for more than one of the parameters.
*
* RETURNS
* Success: TRUE.
* Failure: FALSE. Use GetLastError() to determine the cause.
*/
BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
const XFORM *xform2 )
{
XFORM xformTemp;
/* Check for illegal parameters */
if (!xformResult || !xform1 || !xform2)
return FALSE;
/* Create the result in a temporary XFORM, since xformResult may be
* equal to xform1 or xform2 */
xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
xform1->eM12 * xform2->eM21;
xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
xform1->eM12 * xform2->eM22;
xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
xform1->eM22 * xform2->eM21;
xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
xform1->eM22 * xform2->eM22;
xformTemp.eDx = xform1->eDx * xform2->eM11 +
xform1->eDy * xform2->eM21 +
xform2->eDx;
xformTemp.eDy = xform1->eDx * xform2->eM12 +
xform1->eDy * xform2->eM22 +
xform2->eDy;
/* Copy the result to xformResult */
*xformResult = xformTemp;
return TRUE;
}
/***********************************************************************
* SetDCHook (GDI32.@)
*
* Note: this doesn't exist in Win32, we add it here because user32 needs it.
*/
BOOL WINAPI SetDCHook( HDC hdc, DCHOOKPROC hookProc, DWORD_PTR dwHookData )
{
DC *dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
dc->dwHookData = dwHookData;
dc->hookProc = hookProc;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* GetDCHook (GDI32.@)
*
* Note: this doesn't exist in Win32, we add it here because user32 needs it.
*/
DWORD_PTR WINAPI GetDCHook( HDC hdc, DCHOOKPROC *proc )
{
DC *dc = get_dc_ptr( hdc );
DWORD_PTR ret;
if (!dc) return 0;
if (proc) *proc = dc->hookProc;
ret = dc->dwHookData;
release_dc_ptr( dc );
return ret;
}
/***********************************************************************
* SetHookFlags (GDI32.@)
*
* Note: this doesn't exist in Win32, we add it here because user32 needs it.
*/
WORD WINAPI SetHookFlags( HDC hdc, WORD flags )
{
DC *dc = get_dc_obj( hdc ); /* not get_dc_ptr, this needs to work from any thread */
LONG ret = 0;
if (!dc) return 0;
TRACE("hDC %p, flags %04x\n",hdc,flags);
if (flags & DCHF_INVALIDATEVISRGN)
ret = InterlockedExchange( &dc->dirty, 1 );
else if (flags & DCHF_VALIDATEVISRGN || !flags)
ret = InterlockedExchange( &dc->dirty, 0 );
if (flags & DCHF_DISABLEDC)
ret = InterlockedExchange( &dc->disabled, 1 );
else if (flags & DCHF_ENABLEDC)
ret = InterlockedExchange( &dc->disabled, 0 );
GDI_ReleaseObj( hdc );
if (flags & DCHF_RESETDC) ret = reset_dc_state( hdc );
return ret;
}
/***********************************************************************
* SetICMMode (GDI32.@)
*/
INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
{
/*FIXME: Assume that ICM is always off, and cannot be turned on */
if (iEnableICM == ICM_OFF) return ICM_OFF;
if (iEnableICM == ICM_ON) return 0;
if (iEnableICM == ICM_QUERY) return ICM_OFF;
return 0;
}
/***********************************************************************
* GetDeviceGammaRamp (GDI32.@)
*/
BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr)
{
BOOL ret = FALSE;
DC *dc = get_dc_ptr( hDC );
TRACE("%p, %p\n", hDC, ptr);
if( dc )
{
if (GetObjectType( hDC ) != OBJ_MEMDC)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDeviceGammaRamp );
ret = physdev->funcs->pGetDeviceGammaRamp( physdev, ptr );
}
else SetLastError( ERROR_INVALID_PARAMETER );
release_dc_ptr( dc );
}
return ret;
}
static BOOL check_gamma_ramps(void *ptr)
{
WORD *ramp = ptr;
while (ramp < (WORD*)ptr + 3 * 256)
{
float r_x, r_y, r_lx, r_ly, r_d, r_v, r_e, g_avg, g_min, g_max;
unsigned i, f, l, g_n, c;
f = ramp[0];
l = ramp[255];
if (f >= l)
{
TRACE("inverted or flat gamma ramp (%d->%d), rejected\n", f, l);
return FALSE;
}
r_d = l - f;
g_min = g_max = g_avg = 0.0;
/* check gamma ramp entries to estimate the gamma */
TRACE("analyzing gamma ramp (%d->%d)\n", f, l);
for (i=1, g_n=0; i<255; i++)
{
if (ramp[i] < f || ramp[i] > l)
{
TRACE("strange gamma ramp ([%d]=%d for %d->%d), rejected\n", i, ramp[i], f, l);
return FALSE;
}
c = ramp[i] - f;
if (!c) continue; /* avoid log(0) */
/* normalize entry values into 0..1 range */
r_x = i/255.0; r_y = c / r_d;
/* compute logarithms of values */
r_lx = log(r_x); r_ly = log(r_y);
/* compute gamma for this entry */
r_v = r_ly / r_lx;
/* compute differential (error estimate) for this entry */
/* some games use table-based logarithms that magnifies the error by 128 */
r_e = -r_lx * 128 / (c * r_lx * r_lx);
/* compute min & max while compensating for estimated error */
if (!g_n || g_min > (r_v + r_e)) g_min = r_v + r_e;
if (!g_n || g_max < (r_v - r_e)) g_max = r_v - r_e;
/* add to average */
g_avg += r_v;
g_n++;
}
if (!g_n)
{
TRACE("no gamma data, shouldn't happen\n");
return FALSE;
}
g_avg /= g_n;
TRACE("low bias is %d, high is %d, gamma is %5.3f\n", f, 65535-l, g_avg);
/* check that the gamma is reasonably uniform across the ramp */
if (g_max - g_min > 12.8)
{
TRACE("ramp not uniform (max=%f, min=%f, avg=%f), rejected\n", g_max, g_min, g_avg);
return FALSE;
}
/* check that the gamma is not too bright */
if (g_avg < 0.2)
{
TRACE("too bright gamma ( %5.3f), rejected\n", g_avg);
return FALSE;
}
ramp += 256;
}
return TRUE;
}
/***********************************************************************
* SetDeviceGammaRamp (GDI32.@)
*/
BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr)
{
BOOL ret = FALSE;
DC *dc = get_dc_ptr( hDC );
TRACE("%p, %p\n", hDC, ptr);
if( dc )
{
if (GetObjectType( hDC ) != OBJ_MEMDC)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDeviceGammaRamp );
if (check_gamma_ramps(ptr))
ret = physdev->funcs->pSetDeviceGammaRamp( physdev, ptr );
}
else SetLastError( ERROR_INVALID_PARAMETER );
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetColorSpace (GDI32.@)
*/
HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
{
/*FIXME Need to do whatever GetColorSpace actually does */
return 0;
}
/***********************************************************************
* CreateColorSpaceA (GDI32.@)
*/
HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
{
FIXME( "stub\n" );
return 0;
}
/***********************************************************************
* CreateColorSpaceW (GDI32.@)
*/
HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
{
FIXME( "stub\n" );
return 0;
}
/***********************************************************************
* DeleteColorSpace (GDI32.@)
*/
BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
{
FIXME( "stub\n" );
return TRUE;
}
/***********************************************************************
* SetColorSpace (GDI32.@)
*/
HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
{
FIXME( "stub\n" );
return hColorSpace;
}
/***********************************************************************
* GetBoundsRect (GDI32.@)
*/
UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
{
PHYSDEV physdev;
RECT device_rect;
UINT ret;
DC *dc = get_dc_ptr( hdc );
if ( !dc ) return 0;
physdev = GET_DC_PHYSDEV( dc, pGetBoundsRect );
ret = physdev->funcs->pGetBoundsRect( physdev, &device_rect, DCB_RESET );
if (!ret)
{
release_dc_ptr( dc );
return 0;
}
if (dc->bounds_enabled && ret == DCB_SET) add_bounds_rect( &dc->bounds, &device_rect );
if (rect)
{
if (is_rect_empty( &dc->bounds ))
{
rect->left = rect->top = rect->right = rect->bottom = 0;
ret = DCB_RESET;
}
else
{
*rect = dc->bounds;
rect->left = max( rect->left, 0 );
rect->top = max( rect->top, 0 );
rect->right = min( rect->right, dc->vis_rect.right - dc->vis_rect.left );
rect->bottom = min( rect->bottom, dc->vis_rect.bottom - dc->vis_rect.top );
ret = DCB_SET;
}
dp_to_lp( dc, (POINT *)rect, 2 );
}
else ret = 0;
if (flags & DCB_RESET) reset_bounds( &dc->bounds );
release_dc_ptr( dc );
return ret;
}
/***********************************************************************
* SetBoundsRect (GDI32.@)
*/
UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
{
PHYSDEV physdev;
UINT ret;
DC *dc;
if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0;
if (!(dc = get_dc_ptr( hdc ))) return 0;
physdev = GET_DC_PHYSDEV( dc, pSetBoundsRect );
ret = physdev->funcs->pSetBoundsRect( physdev, &dc->bounds, flags );
if (!ret)
{
release_dc_ptr( dc );
return 0;
}
ret = (dc->bounds_enabled ? DCB_ENABLE : DCB_DISABLE) |
(is_rect_empty( &dc->bounds ) ? ret & DCB_SET : DCB_SET);
if (flags & DCB_RESET) reset_bounds( &dc->bounds );
if ((flags & DCB_ACCUMULATE) && rect)
{
RECT rc = *rect;
lp_to_dp( dc, (POINT *)&rc, 2 );
add_bounds_rect( &dc->bounds, &rc );
}
if (flags & DCB_ENABLE) dc->bounds_enabled = TRUE;
if (flags & DCB_DISABLE) dc->bounds_enabled = FALSE;
release_dc_ptr( dc );
return ret;
}
/***********************************************************************
* GetRelAbs (GDI32.@)
*/
INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
{
INT ret = 0;
DC *dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->relAbsMode;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetBkMode (GDI32.@)
*/
INT WINAPI GetBkMode( HDC hdc )
{
INT ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->backgroundMode;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetBkMode (GDI32.@)
*/
INT WINAPI SetBkMode( HDC hdc, INT mode )
{
INT ret = 0;
DC *dc;
if ((mode <= 0) || (mode > BKMODE_LAST))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkMode );
mode = physdev->funcs->pSetBkMode( physdev, mode );
if (mode)
{
ret = dc->backgroundMode;
dc->backgroundMode = mode;
}
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetROP2 (GDI32.@)
*/
INT WINAPI GetROP2( HDC hdc )
{
INT ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->ROPmode;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetROP2 (GDI32.@)
*/
INT WINAPI SetROP2( HDC hdc, INT mode )
{
INT ret = 0;
DC *dc;
if ((mode < R2_BLACK) || (mode > R2_WHITE))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetROP2 );
mode = physdev->funcs->pSetROP2( physdev, mode );
if (mode)
{
ret = dc->ROPmode;
dc->ROPmode = mode;
}
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetRelAbs (GDI32.@)
*/
INT WINAPI SetRelAbs( HDC hdc, INT mode )
{
INT ret = 0;
DC *dc;
if ((mode != ABSOLUTE) && (mode != RELATIVE))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetRelAbs );
mode = physdev->funcs->pSetRelAbs( physdev, mode );
if (mode)
{
ret = dc->relAbsMode;
dc->relAbsMode = mode;
}
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetPolyFillMode (GDI32.@)
*/
INT WINAPI GetPolyFillMode( HDC hdc )
{
INT ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->polyFillMode;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetPolyFillMode (GDI32.@)
*/
INT WINAPI SetPolyFillMode( HDC hdc, INT mode )
{
INT ret = 0;
DC *dc;
if ((mode <= 0) || (mode > POLYFILL_LAST))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetPolyFillMode );
mode = physdev->funcs->pSetPolyFillMode( physdev, mode );
if (mode)
{
ret = dc->polyFillMode;
dc->polyFillMode = mode;
}
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetStretchBltMode (GDI32.@)
*/
INT WINAPI GetStretchBltMode( HDC hdc )
{
INT ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->stretchBltMode;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetStretchBltMode (GDI32.@)
*/
INT WINAPI SetStretchBltMode( HDC hdc, INT mode )
{
INT ret = 0;
DC *dc;
if ((mode <= 0) || (mode > MAXSTRETCHBLTMODE))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetStretchBltMode );
mode = physdev->funcs->pSetStretchBltMode( physdev, mode );
if (mode)
{
ret = dc->stretchBltMode;
dc->stretchBltMode = mode;
}
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetMapMode (GDI32.@)
*/
INT WINAPI GetMapMode( HDC hdc )
{
INT ret = 0;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
ret = dc->MapMode;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* GetBrushOrgEx (GDI32.@)
*/
BOOL WINAPI GetBrushOrgEx( HDC hdc, LPPOINT pt )
{
DC * dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
*pt = dc->brush_org;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* GetCurrentPositionEx (GDI32.@)
*/
BOOL WINAPI GetCurrentPositionEx( HDC hdc, LPPOINT pt )
{
DC * dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
*pt = dc->cur_pos;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* GetViewportExtEx (GDI32.@)
*/
BOOL WINAPI GetViewportExtEx( HDC hdc, LPSIZE size )
{
DC * dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
*size = dc->vport_ext;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* GetViewportOrgEx (GDI32.@)
*/
BOOL WINAPI GetViewportOrgEx( HDC hdc, LPPOINT pt )
{
DC * dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
*pt = dc->vport_org;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* GetWindowExtEx (GDI32.@)
*/
BOOL WINAPI GetWindowExtEx( HDC hdc, LPSIZE size )
{
DC * dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
*size = dc->wnd_ext;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* GetWindowOrgEx (GDI32.@)
*/
BOOL WINAPI GetWindowOrgEx( HDC hdc, LPPOINT pt )
{
DC * dc = get_dc_ptr( hdc );
if (!dc) return FALSE;
*pt = dc->wnd_org;
release_dc_ptr( dc );
return TRUE;
}
/***********************************************************************
* GetLayout (GDI32.@)
*
* Gets left->right or right->left text layout flags of a dc.
*
*/
DWORD WINAPI GetLayout(HDC hdc)
{
DWORD layout = GDI_ERROR;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
layout = dc->layout;
release_dc_ptr( dc );
}
TRACE("hdc : %p, layout : %08x\n", hdc, layout);
return layout;
}
/***********************************************************************
* SetLayout (GDI32.@)
*
* Sets left->right or right->left text layout flags of a dc.
*
*/
DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
{
DWORD oldlayout = GDI_ERROR;
DC * dc = get_dc_ptr( hdc );
if (dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetLayout );
layout = physdev->funcs->pSetLayout( physdev, layout );
if (layout != GDI_ERROR)
{
oldlayout = dc->layout;
dc->layout = layout;
if (layout != oldlayout)
{
if (layout & LAYOUT_RTL) dc->MapMode = MM_ANISOTROPIC;
DC_UpdateXforms( dc );
}
}
release_dc_ptr( dc );
}
TRACE("hdc : %p, old layout : %08x, new layout : %08x\n", hdc, oldlayout, layout);
return oldlayout;
}
/***********************************************************************
* GetDCBrushColor (GDI32.@)
*/
COLORREF WINAPI GetDCBrushColor(HDC hdc)
{
DC *dc;
COLORREF dcBrushColor = CLR_INVALID;
TRACE("hdc(%p)\n", hdc);
dc = get_dc_ptr( hdc );
if (dc)
{
dcBrushColor = dc->dcBrushColor;
release_dc_ptr( dc );
}
return dcBrushColor;
}
/***********************************************************************
* SetDCBrushColor (GDI32.@)
*/
COLORREF WINAPI SetDCBrushColor(HDC hdc, COLORREF crColor)
{
DC *dc;
COLORREF oldClr = CLR_INVALID;
TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor);
dc = get_dc_ptr( hdc );
if (dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCBrushColor );
crColor = physdev->funcs->pSetDCBrushColor( physdev, crColor );
if (crColor != CLR_INVALID)
{
oldClr = dc->dcBrushColor;
dc->dcBrushColor = crColor;
}
release_dc_ptr( dc );
}
return oldClr;
}
/***********************************************************************
* GetDCPenColor (GDI32.@)
*/
COLORREF WINAPI GetDCPenColor(HDC hdc)
{
DC *dc;
COLORREF dcPenColor = CLR_INVALID;
TRACE("hdc(%p)\n", hdc);
dc = get_dc_ptr( hdc );
if (dc)
{
dcPenColor = dc->dcPenColor;
release_dc_ptr( dc );
}
return dcPenColor;
}
/***********************************************************************
* SetDCPenColor (GDI32.@)
*/
COLORREF WINAPI SetDCPenColor(HDC hdc, COLORREF crColor)
{
DC *dc;
COLORREF oldClr = CLR_INVALID;
TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor);
dc = get_dc_ptr( hdc );
if (dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCPenColor );
crColor = physdev->funcs->pSetDCPenColor( physdev, crColor );
if (crColor != CLR_INVALID)
{
oldClr = dc->dcPenColor;
dc->dcPenColor = crColor;
}
release_dc_ptr( dc );
}
return oldClr;
}
/***********************************************************************
* CancelDC (GDI32.@)
*/
BOOL WINAPI CancelDC(HDC hdc)
{
FIXME("stub\n");
return TRUE;
}
/*******************************************************************
* GetMiterLimit [GDI32.@]
*
*
*/
BOOL WINAPI GetMiterLimit(HDC hdc, PFLOAT peLimit)
{
BOOL bRet = FALSE;
DC *dc;
TRACE("(%p,%p)\n", hdc, peLimit);
dc = get_dc_ptr( hdc );
if (dc)
{
if (peLimit)
*peLimit = dc->miterLimit;
release_dc_ptr( dc );
bRet = TRUE;
}
return bRet;
}
/*******************************************************************
* SetMiterLimit [GDI32.@]
*
*
*/
BOOL WINAPI SetMiterLimit(HDC hdc, FLOAT eNewLimit, PFLOAT peOldLimit)
{
BOOL bRet = FALSE;
DC *dc;
TRACE("(%p,%f,%p)\n", hdc, eNewLimit, peOldLimit);
dc = get_dc_ptr( hdc );
if (dc)
{
if (peOldLimit)
*peOldLimit = dc->miterLimit;
dc->miterLimit = eNewLimit;
release_dc_ptr( dc );
bRet = TRUE;
}
return bRet;
}
/*******************************************************************
* GdiIsMetaPrintDC [GDI32.@]
*/
BOOL WINAPI GdiIsMetaPrintDC(HDC hdc)
{
FIXME("%p\n", hdc);
return FALSE;
}
/*******************************************************************
* GdiIsMetaFileDC [GDI32.@]
*/
BOOL WINAPI GdiIsMetaFileDC(HDC hdc)
{
TRACE("%p\n", hdc);
switch( GetObjectType( hdc ) )
{
case OBJ_METADC:
case OBJ_ENHMETADC:
return TRUE;
}
return FALSE;
}
/*******************************************************************
* GdiIsPlayMetafileDC [GDI32.@]
*/
BOOL WINAPI GdiIsPlayMetafileDC(HDC hdc)
{
FIXME("%p\n", hdc);
return FALSE;
}
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