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Sweden-Number/graphics/mapping.c

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/*
* GDI mapping mode functions
*
* Copyright 1993 Alexandre Julliard
*/
#include "gdi.h"
#include "debugtools.h"
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 *) GDI_GetObjPtr( hdc, DC_MAGIC );
if (!dc) return FALSE;
while (count--)
{
points->x = XDPTOLP( dc, points->x );
points->y = YDPTOLP( dc, points->y );
points++;
}
GDI_ReleaseObj( hdc );
return TRUE;
}
/***********************************************************************
* DPtoLP (GDI32.@)
*/
BOOL WINAPI DPtoLP( HDC hdc, LPPOINT points, INT count )
{
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
if (!dc) return FALSE;
while (count--)
{
if (!INTERNAL_DPTOLP( dc, points ))
break;
points++;
}
GDI_ReleaseObj( hdc );
return (count < 0);
}
/***********************************************************************
* LPtoDP (GDI.99)
*/
BOOL16 WINAPI LPtoDP16( HDC16 hdc, LPPOINT16 points, INT16 count )
{
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
if (!dc) return FALSE;
while (count--)
{
points->x = XLPTODP( dc, points->x );
points->y = YLPTODP( dc, points->y );
points++;
}
GDI_ReleaseObj( hdc );
return TRUE;
}
/***********************************************************************
* LPtoDP (GDI32.@)
*/
BOOL WINAPI LPtoDP( HDC hdc, LPPOINT points, INT count )
{
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
if (!dc) return FALSE;
while (count--)
{
INTERNAL_LPTODP( dc, points );
points++;
}
GDI_ReleaseObj( hdc );
return TRUE;
}
/***********************************************************************
* SetMapMode (GDI.3)
*/
INT16 WINAPI SetMapMode16( HDC16 hdc, INT16 mode )
{
return SetMapMode( hdc, mode );
}
/***********************************************************************
* SetMapMode (GDI32.@)
*/
INT WINAPI SetMapMode( HDC hdc, INT mode )
{
INT prevMode;
INT horzSize, vertSize, horzRes, vertRes;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return 0;
if (dc->funcs->pSetMapMode)
{
prevMode = dc->funcs->pSetMapMode( dc, mode );
goto done;
}
TRACE("%04x %d\n", hdc, mode );
prevMode = 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 prevMode;
}
/***********************************************************************
* SetViewportExt (GDI.14)
*/
DWORD WINAPI SetViewportExt16( HDC16 hdc, INT16 x, INT16 y )
{
SIZE size;
if (!SetViewportExtEx( hdc, x, y, &size )) return 0;
return MAKELONG( size.cx, size.cy );
}
/***********************************************************************
* SetViewportExtEx (GDI.479)
*/
BOOL16 WINAPI SetViewportExtEx16( HDC16 hdc, INT16 x, INT16 y, LPSIZE16 size )
{
SIZE size32;
BOOL16 ret = SetViewportExtEx( hdc, x, y, &size32 );
if (size) { size->cx = size32.cx; size->cy = size32.cy; }
return ret;
}
/***********************************************************************
* SetViewportExtEx (GDI32.@)
*/
BOOL WINAPI SetViewportExtEx( HDC hdc, INT x, INT y, LPSIZE size )
{
BOOL ret = TRUE;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return FALSE;
if (dc->funcs->pSetViewportExt)
{
ret = dc->funcs->pSetViewportExt( dc, x, y );
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;
}
/***********************************************************************
* SetViewportOrg (GDI.13)
*/
DWORD WINAPI SetViewportOrg16( HDC16 hdc, INT16 x, INT16 y )
{
POINT pt;
if (!SetViewportOrgEx( hdc, x, y, &pt )) return 0;
return MAKELONG( pt.x, pt.y );
}
/***********************************************************************
* SetViewportOrgEx (GDI.480)
*/
BOOL16 WINAPI SetViewportOrgEx16( HDC16 hdc, INT16 x, INT16 y, LPPOINT16 pt )
{
POINT pt32;
BOOL16 ret = SetViewportOrgEx( hdc, x, y, &pt32 );
if (pt) CONV_POINT32TO16( &pt32, pt );
return ret;
}
/***********************************************************************
* SetViewportOrgEx (GDI32.@)
*/
BOOL WINAPI SetViewportOrgEx( HDC hdc, INT x, INT y, LPPOINT pt )
{
BOOL ret = TRUE;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return FALSE;
if (dc->funcs->pSetViewportOrg)
ret = dc->funcs->pSetViewportOrg( dc, x, y );
else
{
if (pt)
{
pt->x = dc->vportOrgX;
pt->y = dc->vportOrgY;
}
dc->vportOrgX = x;
dc->vportOrgY = y;
DC_UpdateXforms( dc );
}
GDI_ReleaseObj( hdc );
return ret;
}
/***********************************************************************
* SetWindowExt (GDI.12)
*/
DWORD WINAPI SetWindowExt16( HDC16 hdc, INT16 x, INT16 y )
{
SIZE size;
if (!SetWindowExtEx( hdc, x, y, &size )) return 0;
return MAKELONG( size.cx, size.cy );
}
/***********************************************************************
* SetWindowExtEx (GDI.481)
*/
BOOL16 WINAPI SetWindowExtEx16( HDC16 hdc, INT16 x, INT16 y, LPSIZE16 size )
{
SIZE size32;
BOOL16 ret = SetWindowExtEx( hdc, x, y, &size32 );
if (size) { size->cx = size32.cx; size->cy = size32.cy; }
return ret;
}
/***********************************************************************
* SetWindowExtEx (GDI32.@)
*/
BOOL WINAPI SetWindowExtEx( HDC hdc, INT x, INT y, LPSIZE size )
{
BOOL ret = TRUE;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return FALSE;
if (dc->funcs->pSetWindowExt)
{
ret = dc->funcs->pSetWindowExt( dc, x, y );
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;
}
/***********************************************************************
* SetWindowOrg (GDI.11)
*/
DWORD WINAPI SetWindowOrg16( HDC16 hdc, INT16 x, INT16 y )
{
POINT pt;
if (!SetWindowOrgEx( hdc, x, y, &pt )) return 0;
return MAKELONG( pt.x, pt.y );
}
/***********************************************************************
* SetWindowOrgEx (GDI.482)
*/
BOOL16 WINAPI SetWindowOrgEx16( HDC16 hdc, INT16 x, INT16 y, LPPOINT16 pt )
{
POINT pt32;
BOOL16 ret = SetWindowOrgEx( hdc, x, y, &pt32 );
if (pt) CONV_POINT32TO16( &pt32, pt );
return ret;
}
/***********************************************************************
* SetWindowOrgEx (GDI32.@)
*/
BOOL WINAPI SetWindowOrgEx( HDC hdc, INT x, INT y, LPPOINT pt )
{
BOOL ret = TRUE;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return FALSE;
if (dc->funcs->pSetWindowOrg) ret = dc->funcs->pSetWindowOrg( dc, x, y );
else
{
if (pt)
{
pt->x = dc->wndOrgX;
pt->y = dc->wndOrgY;
}
dc->wndOrgX = x;
dc->wndOrgY = y;
DC_UpdateXforms( dc );
}
GDI_ReleaseObj( hdc );
return ret;
}
/***********************************************************************
* OffsetViewportOrg (GDI.17)
*/
DWORD WINAPI OffsetViewportOrg16( HDC16 hdc, INT16 x, INT16 y )
{
POINT pt;
if (!OffsetViewportOrgEx( hdc, x, y, &pt )) return 0;
return MAKELONG( pt.x, pt.y );
}
/***********************************************************************
* OffsetViewportOrgEx (GDI.476)
*/
BOOL16 WINAPI OffsetViewportOrgEx16( HDC16 hdc, INT16 x, INT16 y, LPPOINT16 pt)
{
POINT pt32;
BOOL16 ret = OffsetViewportOrgEx( hdc, x, y, &pt32 );
if (pt) CONV_POINT32TO16( &pt32, pt );
return ret;
}
/***********************************************************************
* OffsetViewportOrgEx (GDI32.@)
*/
BOOL WINAPI OffsetViewportOrgEx( HDC hdc, INT x, INT y, LPPOINT pt)
{
BOOL ret = TRUE;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return FALSE;
if (dc->funcs->pOffsetViewportOrg)
ret = dc->funcs->pOffsetViewportOrg( dc, x, y );
else
{
if (pt)
{
pt->x = dc->vportOrgX;
pt->y = dc->vportOrgY;
}
dc->vportOrgX += x;
dc->vportOrgY += y;
DC_UpdateXforms( dc );
}
GDI_ReleaseObj( hdc );
return ret;
}
/***********************************************************************
* OffsetWindowOrg (GDI.15)
*/
DWORD WINAPI OffsetWindowOrg16( HDC16 hdc, INT16 x, INT16 y )
{
POINT pt;
if (!OffsetWindowOrgEx( hdc, x, y, &pt )) return 0;
return MAKELONG( pt.x, pt.y );
}
/***********************************************************************
* OffsetWindowOrgEx (GDI.477)
*/
BOOL16 WINAPI OffsetWindowOrgEx16( HDC16 hdc, INT16 x, INT16 y, LPPOINT16 pt )
{
POINT pt32;
BOOL16 ret = OffsetWindowOrgEx( hdc, x, y, &pt32 );
if (pt) CONV_POINT32TO16( &pt32, pt );
return ret;
}
/***********************************************************************
* OffsetWindowOrgEx (GDI32.@)
*/
BOOL WINAPI OffsetWindowOrgEx( HDC hdc, INT x, INT y, LPPOINT pt )
{
BOOL ret = TRUE;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return FALSE;
if (dc->funcs->pOffsetWindowOrg)
ret = dc->funcs->pOffsetWindowOrg( dc, x, y );
else
{
if (pt)
{
pt->x = dc->wndOrgX;
pt->y = dc->wndOrgY;
}
dc->wndOrgX += x;
dc->wndOrgY += y;
DC_UpdateXforms( dc );
}
GDI_ReleaseObj( hdc );
return ret;
}
/***********************************************************************
* ScaleViewportExt (GDI.18)
*/
DWORD WINAPI ScaleViewportExt16( HDC16 hdc, INT16 xNum, INT16 xDenom,
INT16 yNum, INT16 yDenom )
{
SIZE size;
if (!ScaleViewportExtEx( hdc, xNum, xDenom, yNum, yDenom, &size ))
return FALSE;
return MAKELONG( size.cx, size.cy );
}
/***********************************************************************
* ScaleViewportExtEx (GDI.484)
*/
BOOL16 WINAPI ScaleViewportExtEx16( HDC16 hdc, INT16 xNum, INT16 xDenom,
INT16 yNum, INT16 yDenom, LPSIZE16 size )
{
SIZE size32;
BOOL16 ret = ScaleViewportExtEx( hdc, xNum, xDenom, yNum, yDenom,
&size32 );
if (size) { size->cx = size32.cx; size->cy = size32.cy; }
return ret;
}
/***********************************************************************
* ScaleViewportExtEx (GDI32.@)
*/
BOOL WINAPI ScaleViewportExtEx( HDC hdc, INT xNum, INT xDenom,
INT yNum, INT yDenom, LPSIZE size )
{
BOOL ret = TRUE;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return FALSE;
if (dc->funcs->pScaleViewportExt)
{
ret = dc->funcs->pScaleViewportExt( dc, xNum, xDenom, yNum, yDenom );
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;
}
/***********************************************************************
* ScaleWindowExt (GDI.16)
*/
DWORD WINAPI ScaleWindowExt16( HDC16 hdc, INT16 xNum, INT16 xDenom,
INT16 yNum, INT16 yDenom )
{
SIZE size;
if (!ScaleWindowExtEx( hdc, xNum, xDenom, yNum, yDenom, &size ))
return FALSE;
return MAKELONG( size.cx, size.cy );
}
/***********************************************************************
* ScaleWindowExtEx (GDI.485)
*/
BOOL16 WINAPI ScaleWindowExtEx16( HDC16 hdc, INT16 xNum, INT16 xDenom,
INT16 yNum, INT16 yDenom, LPSIZE16 size )
{
SIZE size32;
BOOL16 ret = ScaleWindowExtEx( hdc, xNum, xDenom, yNum, yDenom,
&size32 );
if (size) { size->cx = size32.cx; size->cy = size32.cy; }
return ret;
}
/***********************************************************************
* ScaleWindowExtEx (GDI32.@)
*/
BOOL WINAPI ScaleWindowExtEx( HDC hdc, INT xNum, INT xDenom,
INT yNum, INT yDenom, LPSIZE size )
{
BOOL ret = TRUE;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return FALSE;
if (dc->funcs->pScaleWindowExt)
{
ret = dc->funcs->pScaleWindowExt( dc, xNum, xDenom, yNum, yDenom );
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;
}
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