506 lines
13 KiB
C
506 lines
13 KiB
C
/*
|
|
* GDI mapping mode 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "gdi.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(gdi);
|
|
|
|
|
|
/***********************************************************************
|
|
* MAPPING_FixIsotropic
|
|
*
|
|
* Fix viewport extensions for isotropic mode.
|
|
*/
|
|
void MAPPING_FixIsotropic( DC * dc )
|
|
{
|
|
double xdim = (double)dc->vportExtX * GetDeviceCaps( dc->hSelf, HORZSIZE ) /
|
|
(GetDeviceCaps( dc->hSelf, HORZRES ) * dc->wndExtX);
|
|
double ydim = (double)dc->vportExtY * GetDeviceCaps( dc->hSelf, VERTSIZE ) /
|
|
(GetDeviceCaps( dc->hSelf, VERTRES ) * dc->wndExtY);
|
|
if (xdim > ydim)
|
|
{
|
|
dc->vportExtX = dc->vportExtX * fabs( ydim / xdim );
|
|
if (!dc->vportExtX) dc->vportExtX = 1;
|
|
}
|
|
else
|
|
{
|
|
dc->vportExtY = dc->vportExtY * fabs( xdim / ydim );
|
|
if (!dc->vportExtY) dc->vportExtY = 1;
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DPtoLP (GDI.67)
|
|
*/
|
|
BOOL16 WINAPI DPtoLP16( HDC16 hdc, LPPOINT16 points, INT16 count )
|
|
{
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
|
|
while (count--)
|
|
{
|
|
points->x = MulDiv( points->x - dc->vportOrgX, dc->wndExtX, dc->vportExtX ) + dc->wndOrgX;
|
|
points->y = MulDiv( points->y - dc->vportOrgY, dc->wndExtY, dc->vportExtY ) + dc->wndOrgY;
|
|
points++;
|
|
}
|
|
GDI_ReleaseObj( hdc );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* DPtoLP (GDI32.@)
|
|
*/
|
|
BOOL WINAPI DPtoLP( HDC hdc, LPPOINT points, INT count )
|
|
{
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
|
|
if (dc->vport2WorldValid)
|
|
{
|
|
while (count--)
|
|
{
|
|
FLOAT x = points->x;
|
|
FLOAT y = points->y;
|
|
points->x = floor( x * dc->xformVport2World.eM11 +
|
|
y * dc->xformVport2World.eM21 +
|
|
dc->xformVport2World.eDx + 0.5 );
|
|
points->y = floor( x * dc->xformVport2World.eM12 +
|
|
y * dc->xformVport2World.eM22 +
|
|
dc->xformVport2World.eDy + 0.5 );
|
|
points++;
|
|
}
|
|
}
|
|
GDI_ReleaseObj( hdc );
|
|
return (count < 0);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LPtoDP (GDI.99)
|
|
*/
|
|
BOOL16 WINAPI LPtoDP16( HDC16 hdc, LPPOINT16 points, INT16 count )
|
|
{
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
|
|
while (count--)
|
|
{
|
|
points->x = MulDiv( points->x - dc->wndOrgX, dc->vportExtX, dc->wndExtX ) + dc->vportOrgX;
|
|
points->y = MulDiv( points->y - dc->wndOrgY, dc->vportExtY, dc->wndExtY ) + dc->vportOrgY;
|
|
points++;
|
|
}
|
|
GDI_ReleaseObj( hdc );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* LPtoDP (GDI32.@)
|
|
*/
|
|
BOOL WINAPI LPtoDP( HDC hdc, LPPOINT points, INT count )
|
|
{
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
|
|
while (count--)
|
|
{
|
|
FLOAT x = points->x;
|
|
FLOAT y = points->y;
|
|
points->x = floor( x * dc->xformWorld2Vport.eM11 +
|
|
y * dc->xformWorld2Vport.eM21 +
|
|
dc->xformWorld2Vport.eDx + 0.5 );
|
|
points->y = floor( x * dc->xformWorld2Vport.eM12 +
|
|
y * dc->xformWorld2Vport.eM22 +
|
|
dc->xformWorld2Vport.eDy + 0.5 );
|
|
points++;
|
|
}
|
|
GDI_ReleaseObj( hdc );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetMapMode (GDI32.@)
|
|
*/
|
|
INT WINAPI SetMapMode( HDC hdc, INT mode )
|
|
{
|
|
INT ret;
|
|
INT horzSize, vertSize, horzRes, vertRes;
|
|
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return 0;
|
|
if (dc->funcs->pSetMapMode)
|
|
{
|
|
if((ret = dc->funcs->pSetMapMode( dc->physDev, mode )) != TRUE)
|
|
{
|
|
if(ret == GDI_NO_MORE_WORK)
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
TRACE("%04x %d\n", hdc, mode );
|
|
|
|
ret = dc->MapMode;
|
|
horzSize = GetDeviceCaps( hdc, HORZSIZE );
|
|
vertSize = GetDeviceCaps( hdc, VERTSIZE );
|
|
horzRes = GetDeviceCaps( hdc, HORZRES );
|
|
vertRes = GetDeviceCaps( hdc, VERTRES );
|
|
switch(mode)
|
|
{
|
|
case MM_TEXT:
|
|
dc->wndExtX = 1;
|
|
dc->wndExtY = 1;
|
|
dc->vportExtX = 1;
|
|
dc->vportExtY = 1;
|
|
break;
|
|
case MM_LOMETRIC:
|
|
case MM_ISOTROPIC:
|
|
dc->wndExtX = horzSize;
|
|
dc->wndExtY = vertSize;
|
|
dc->vportExtX = horzRes / 10;
|
|
dc->vportExtY = vertRes / -10;
|
|
break;
|
|
case MM_HIMETRIC:
|
|
dc->wndExtX = horzSize * 10;
|
|
dc->wndExtY = vertSize * 10;
|
|
dc->vportExtX = horzRes / 10;
|
|
dc->vportExtY = vertRes / -10;
|
|
break;
|
|
case MM_LOENGLISH:
|
|
dc->wndExtX = horzSize;
|
|
dc->wndExtY = vertSize;
|
|
dc->vportExtX = 254L * horzRes / 1000;
|
|
dc->vportExtY = -254L * vertRes / 1000;
|
|
break;
|
|
case MM_HIENGLISH:
|
|
dc->wndExtX = horzSize * 10;
|
|
dc->wndExtY = vertSize * 10;
|
|
dc->vportExtX = 254L * horzRes / 1000;
|
|
dc->vportExtY = -254L * vertRes / 1000;
|
|
break;
|
|
case MM_TWIPS:
|
|
dc->wndExtX = 144L * horzSize / 10;
|
|
dc->wndExtY = 144L * vertSize / 10;
|
|
dc->vportExtX = 254L * horzRes / 1000;
|
|
dc->vportExtY = -254L * vertRes / 1000;
|
|
break;
|
|
case MM_ANISOTROPIC:
|
|
break;
|
|
default:
|
|
goto done;
|
|
}
|
|
dc->MapMode = mode;
|
|
DC_UpdateXforms( dc );
|
|
done:
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetViewportExtEx (GDI32.@)
|
|
*/
|
|
BOOL WINAPI SetViewportExtEx( HDC hdc, INT x, INT y, LPSIZE size )
|
|
{
|
|
INT ret = TRUE;
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
if (dc->funcs->pSetViewportExt)
|
|
{
|
|
if((ret = dc->funcs->pSetViewportExt( dc->physDev, x, y )) != TRUE)
|
|
{
|
|
if(ret == GDI_NO_MORE_WORK)
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
}
|
|
if (size)
|
|
{
|
|
size->cx = dc->vportExtX;
|
|
size->cy = dc->vportExtY;
|
|
}
|
|
if ((dc->MapMode != MM_ISOTROPIC) && (dc->MapMode != MM_ANISOTROPIC))
|
|
goto done;
|
|
if (!x || !y)
|
|
{
|
|
ret = FALSE;
|
|
goto done;
|
|
}
|
|
dc->vportExtX = x;
|
|
dc->vportExtY = y;
|
|
if (dc->MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
|
|
DC_UpdateXforms( dc );
|
|
done:
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetViewportOrgEx (GDI32.@)
|
|
*/
|
|
BOOL WINAPI SetViewportOrgEx( HDC hdc, INT x, INT y, LPPOINT pt )
|
|
{
|
|
INT ret = TRUE;
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
if (dc->funcs->pSetViewportOrg)
|
|
{
|
|
if((ret = dc->funcs->pSetViewportOrg( dc->physDev, x, y )) != TRUE)
|
|
{
|
|
if(ret == GDI_NO_MORE_WORK)
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
}
|
|
if (pt)
|
|
{
|
|
pt->x = dc->vportOrgX;
|
|
pt->y = dc->vportOrgY;
|
|
}
|
|
dc->vportOrgX = x;
|
|
dc->vportOrgY = y;
|
|
DC_UpdateXforms( dc );
|
|
|
|
done:
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetWindowExtEx (GDI32.@)
|
|
*/
|
|
BOOL WINAPI SetWindowExtEx( HDC hdc, INT x, INT y, LPSIZE size )
|
|
{
|
|
INT ret = TRUE;
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
if (dc->funcs->pSetWindowExt)
|
|
{
|
|
if((ret = dc->funcs->pSetWindowExt( dc->physDev, x, y )) != TRUE)
|
|
{
|
|
if(ret == GDI_NO_MORE_WORK)
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
}
|
|
if (size)
|
|
{
|
|
size->cx = dc->wndExtX;
|
|
size->cy = dc->wndExtY;
|
|
}
|
|
if ((dc->MapMode != MM_ISOTROPIC) && (dc->MapMode != MM_ANISOTROPIC))
|
|
goto done;
|
|
if (!x || !y)
|
|
{
|
|
ret = FALSE;
|
|
goto done;
|
|
}
|
|
dc->wndExtX = x;
|
|
dc->wndExtY = y;
|
|
if (dc->MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
|
|
DC_UpdateXforms( dc );
|
|
done:
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetWindowOrgEx (GDI32.@)
|
|
*/
|
|
BOOL WINAPI SetWindowOrgEx( HDC hdc, INT x, INT y, LPPOINT pt )
|
|
{
|
|
INT ret = TRUE;
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
if (dc->funcs->pSetWindowOrg)
|
|
{
|
|
if((ret = dc->funcs->pSetWindowOrg( dc->physDev, x, y )) != TRUE)
|
|
{
|
|
if(ret == GDI_NO_MORE_WORK)
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
}
|
|
if (pt)
|
|
{
|
|
pt->x = dc->wndOrgX;
|
|
pt->y = dc->wndOrgY;
|
|
}
|
|
dc->wndOrgX = x;
|
|
dc->wndOrgY = y;
|
|
DC_UpdateXforms( dc );
|
|
done:
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OffsetViewportOrgEx (GDI32.@)
|
|
*/
|
|
BOOL WINAPI OffsetViewportOrgEx( HDC hdc, INT x, INT y, LPPOINT pt)
|
|
{
|
|
INT ret = TRUE;
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
if (dc->funcs->pOffsetViewportOrg)
|
|
{
|
|
if((ret = dc->funcs->pOffsetViewportOrg( dc->physDev, x, y )) != TRUE)
|
|
{
|
|
if(ret == GDI_NO_MORE_WORK)
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
}
|
|
if (pt)
|
|
{
|
|
pt->x = dc->vportOrgX;
|
|
pt->y = dc->vportOrgY;
|
|
}
|
|
dc->vportOrgX += x;
|
|
dc->vportOrgY += y;
|
|
DC_UpdateXforms( dc );
|
|
done:
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* OffsetWindowOrgEx (GDI32.@)
|
|
*/
|
|
BOOL WINAPI OffsetWindowOrgEx( HDC hdc, INT x, INT y, LPPOINT pt )
|
|
{
|
|
INT ret = TRUE;
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
if (dc->funcs->pOffsetWindowOrg)
|
|
{
|
|
if((ret = dc->funcs->pOffsetWindowOrg( dc->physDev, x, y )) != TRUE)
|
|
{
|
|
if(ret == GDI_NO_MORE_WORK)
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
}
|
|
if (pt)
|
|
{
|
|
pt->x = dc->wndOrgX;
|
|
pt->y = dc->wndOrgY;
|
|
}
|
|
dc->wndOrgX += x;
|
|
dc->wndOrgY += y;
|
|
DC_UpdateXforms( dc );
|
|
done:
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ScaleViewportExtEx (GDI32.@)
|
|
*/
|
|
BOOL WINAPI ScaleViewportExtEx( HDC hdc, INT xNum, INT xDenom,
|
|
INT yNum, INT yDenom, LPSIZE size )
|
|
{
|
|
INT ret = TRUE;
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
if (dc->funcs->pScaleViewportExt)
|
|
{
|
|
if((ret = dc->funcs->pScaleViewportExt( dc->physDev, xNum, xDenom, yNum, yDenom )) != TRUE)
|
|
{
|
|
if(ret == GDI_NO_MORE_WORK)
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
}
|
|
if (size)
|
|
{
|
|
size->cx = dc->vportExtX;
|
|
size->cy = dc->vportExtY;
|
|
}
|
|
if ((dc->MapMode != MM_ISOTROPIC) && (dc->MapMode != MM_ANISOTROPIC))
|
|
goto done;
|
|
if (!xNum || !xDenom || !xNum || !yDenom)
|
|
{
|
|
ret = FALSE;
|
|
goto done;
|
|
}
|
|
dc->vportExtX = (dc->vportExtX * xNum) / xDenom;
|
|
dc->vportExtY = (dc->vportExtY * yNum) / yDenom;
|
|
if (dc->vportExtX == 0) dc->vportExtX = 1;
|
|
if (dc->vportExtY == 0) dc->vportExtY = 1;
|
|
if (dc->MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
|
|
DC_UpdateXforms( dc );
|
|
done:
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ScaleWindowExtEx (GDI32.@)
|
|
*/
|
|
BOOL WINAPI ScaleWindowExtEx( HDC hdc, INT xNum, INT xDenom,
|
|
INT yNum, INT yDenom, LPSIZE size )
|
|
{
|
|
INT ret = TRUE;
|
|
DC * dc = DC_GetDCPtr( hdc );
|
|
if (!dc) return FALSE;
|
|
if (dc->funcs->pScaleWindowExt)
|
|
{
|
|
if((ret = dc->funcs->pScaleWindowExt( dc->physDev, xNum, xDenom, yNum, yDenom )) != TRUE)
|
|
{
|
|
if(ret == GDI_NO_MORE_WORK)
|
|
ret = TRUE;
|
|
goto done;
|
|
}
|
|
}
|
|
if (size)
|
|
{
|
|
size->cx = dc->wndExtX;
|
|
size->cy = dc->wndExtY;
|
|
}
|
|
if ((dc->MapMode != MM_ISOTROPIC) && (dc->MapMode != MM_ANISOTROPIC))
|
|
goto done;
|
|
if (!xNum || !xDenom || !xNum || !yDenom)
|
|
{
|
|
ret = FALSE;
|
|
goto done;
|
|
}
|
|
dc->wndExtX = (dc->wndExtX * xNum) / xDenom;
|
|
dc->wndExtY = (dc->wndExtY * yNum) / yDenom;
|
|
if (dc->wndExtX == 0) dc->wndExtX = 1;
|
|
if (dc->wndExtY == 0) dc->wndExtY = 1;
|
|
if (dc->MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
|
|
DC_UpdateXforms( dc );
|
|
done:
|
|
GDI_ReleaseObj( hdc );
|
|
return ret;
|
|
}
|