409 lines
11 KiB
C
409 lines
11 KiB
C
![]() |
/*
|
||
|
* GDI mapping mode functions
|
||
|
*
|
||
|
* Copyright 1993 Alexandre Julliard
|
||
|
*/
|
||
|
|
||
|
static char Copyright[] = "Copyright Alexandre Julliard, 1993";
|
||
|
|
||
|
#include "gdi.h"
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* MAPPING_FixIsotropic
|
||
|
*
|
||
|
* Fix viewport extensions for isotropic mode.
|
||
|
*/
|
||
|
void MAPPING_FixIsotropic( DC * dc )
|
||
|
{
|
||
|
double xdim = (double)dc->w.VportExtX * dc->w.devCaps->horzSize /
|
||
|
(dc->w.devCaps->horzRes * dc->w.WndExtX);
|
||
|
double ydim = (double)dc->w.VportExtY * dc->w.devCaps->vertSize /
|
||
|
(dc->w.devCaps->vertRes * dc->w.WndExtY);
|
||
|
if (xdim > ydim)
|
||
|
{
|
||
|
dc->w.VportExtX = dc->w.VportExtX * ydim / xdim;
|
||
|
if (!dc->w.VportExtX) dc->w.VportExtX = 1;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
dc->w.VportExtY = dc->w.VportExtY * xdim / ydim;
|
||
|
if (!dc->w.VportExtY) dc->w.VportExtY = 1;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/***********************************************************************
|
||
|
* DPtoLP (GDI.67)
|
||
|
*/
|
||
|
BOOL DPtoLP( HDC hdc, LPPOINT points, int count )
|
||
|
{
|
||
|
POINT * pt;
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
|
||
|
for (pt = points; count > 0; pt++, count--)
|
||
|
{
|
||
|
pt->x = XDPTOLP( dc, pt->x );
|
||
|
pt->y = YDPTOLP( dc, pt->y );
|
||
|
}
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* LPtoDP (GDI.99)
|
||
|
*/
|
||
|
BOOL LPtoDP( HDC hdc, LPPOINT points, int count )
|
||
|
{
|
||
|
POINT * pt;
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
|
||
|
for (pt = points; count > 0; pt++, count--)
|
||
|
{
|
||
|
pt->x = XLPTODP( dc, pt->x );
|
||
|
pt->y = YLPTODP( dc, pt->y );
|
||
|
}
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* SetMapMode (GDI.3)
|
||
|
*/
|
||
|
WORD SetMapMode( HDC hdc, WORD mode )
|
||
|
{
|
||
|
WORD prevMode;
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return 0;
|
||
|
|
||
|
#ifdef DEBUG_GDI
|
||
|
printf( "SetMapMode: %d %d\n", hdc, mode );
|
||
|
#endif
|
||
|
|
||
|
prevMode = dc->w.MapMode;
|
||
|
switch(mode)
|
||
|
{
|
||
|
case MM_TEXT:
|
||
|
dc->w.WndOrgX = dc->w.WndOrgY = 0;
|
||
|
dc->w.VportOrgX = dc->w.VportOrgY = 0;
|
||
|
dc->w.WndExtX = 1;
|
||
|
dc->w.WndExtY = 1;
|
||
|
dc->w.VportExtX = 1;
|
||
|
dc->w.VportExtY = 1;
|
||
|
break;
|
||
|
|
||
|
case MM_LOMETRIC:
|
||
|
case MM_ISOTROPIC:
|
||
|
dc->w.WndOrgX = dc->w.WndOrgY = 0;
|
||
|
dc->w.VportOrgX = dc->w.VportOrgY = 0;
|
||
|
dc->w.WndExtX = dc->w.devCaps->horzSize;
|
||
|
dc->w.WndExtY = dc->w.devCaps->vertSize;
|
||
|
dc->w.VportExtX = dc->w.devCaps->horzRes / 10;
|
||
|
dc->w.VportExtY = dc->w.devCaps->vertRes / -10;
|
||
|
break;
|
||
|
|
||
|
case MM_HIMETRIC:
|
||
|
dc->w.WndOrgX = dc->w.WndOrgY = 0;
|
||
|
dc->w.VportOrgX = dc->w.VportOrgY = 0;
|
||
|
dc->w.WndExtX = dc->w.devCaps->horzSize * 10;
|
||
|
dc->w.WndExtY = dc->w.devCaps->vertSize * 10;
|
||
|
dc->w.VportExtX = dc->w.devCaps->horzRes / 10;
|
||
|
dc->w.VportExtY = dc->w.devCaps->vertRes / -10;
|
||
|
break;
|
||
|
|
||
|
case MM_LOENGLISH:
|
||
|
dc->w.WndOrgX = dc->w.WndOrgY = 0;
|
||
|
dc->w.VportOrgX = dc->w.VportOrgY = 0;
|
||
|
dc->w.WndExtX = dc->w.devCaps->horzSize;
|
||
|
dc->w.WndExtY = dc->w.devCaps->vertSize;
|
||
|
dc->w.VportExtX = (short)(254L * dc->w.devCaps->horzRes / 1000);
|
||
|
dc->w.VportExtY = (short)(-254L * dc->w.devCaps->vertRes / 1000);
|
||
|
break;
|
||
|
|
||
|
case MM_HIENGLISH:
|
||
|
dc->w.WndOrgX = dc->w.WndOrgY = 0;
|
||
|
dc->w.VportOrgX = dc->w.VportOrgY = 0;
|
||
|
dc->w.WndExtX = dc->w.devCaps->horzSize * 10;
|
||
|
dc->w.WndExtY = dc->w.devCaps->vertSize * 10;
|
||
|
dc->w.VportExtX = (short)(254L * dc->w.devCaps->horzRes / 1000);
|
||
|
dc->w.VportExtY = (short)(-254L * dc->w.devCaps->vertRes / 1000);
|
||
|
break;
|
||
|
|
||
|
case MM_TWIPS:
|
||
|
dc->w.WndOrgX = dc->w.WndOrgY = 0;
|
||
|
dc->w.VportOrgX = dc->w.VportOrgY = 0;
|
||
|
dc->w.WndExtX = (short)(144L * dc->w.devCaps->horzSize / 10);
|
||
|
dc->w.WndExtY = (short)(144L * dc->w.devCaps->vertSize / 10);
|
||
|
dc->w.VportExtX = (short)(254L * dc->w.devCaps->horzRes / 1000);
|
||
|
dc->w.VportExtY = (short)(-254L * dc->w.devCaps->vertRes / 1000);
|
||
|
break;
|
||
|
|
||
|
case MM_ANISOTROPIC:
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
return prevMode;
|
||
|
}
|
||
|
dc->w.MapMode = mode;
|
||
|
return prevMode;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* SetViewportExt (GDI.14)
|
||
|
*/
|
||
|
DWORD SetViewportExt( HDC hdc, short x, short y )
|
||
|
{
|
||
|
SIZE size;
|
||
|
if (!SetViewportExtEx( hdc, x, y, &size )) return 0;
|
||
|
return size.cx | (size.cy << 16);
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* SetViewportExtEx (GDI.479)
|
||
|
*/
|
||
|
BOOL SetViewportExtEx( HDC hdc, short x, short y, LPSIZE size )
|
||
|
{
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
if (size)
|
||
|
{
|
||
|
size->cx = dc->w.VportExtX;
|
||
|
size->cy = dc->w.VportExtY;
|
||
|
}
|
||
|
if ((dc->w.MapMode != MM_ISOTROPIC) && (dc->w.MapMode != MM_ANISOTROPIC))
|
||
|
return TRUE;
|
||
|
if (!x || !y) return FALSE;
|
||
|
dc->w.VportExtX = x;
|
||
|
dc->w.VportExtY = y;
|
||
|
if (dc->w.MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* SetViewportOrg (GDI.13)
|
||
|
*/
|
||
|
DWORD SetViewportOrg( HDC hdc, short x, short y )
|
||
|
{
|
||
|
POINT pt;
|
||
|
if (!SetViewportOrgEx( hdc, x, y, &pt )) return 0;
|
||
|
return pt.x | (pt.y << 16);
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* SetViewportOrgEx (GDI.480)
|
||
|
*/
|
||
|
BOOL SetViewportOrgEx( HDC hdc, short x, short y, LPPOINT pt )
|
||
|
{
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
if (pt)
|
||
|
{
|
||
|
pt->x = dc->w.VportOrgX;
|
||
|
pt->y = dc->w.VportOrgY;
|
||
|
}
|
||
|
dc->w.VportOrgX = x;
|
||
|
dc->w.VportOrgY = y;
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* SetWindowExt (GDI.12)
|
||
|
*/
|
||
|
DWORD SetWindowExt( HDC hdc, short x, short y )
|
||
|
{
|
||
|
SIZE size;
|
||
|
if (!SetWindowExtEx( hdc, x, y, &size )) return 0;
|
||
|
return size.cx | (size.cy << 16);
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* SetWindowExtEx (GDI.481)
|
||
|
*/
|
||
|
BOOL SetWindowExtEx( HDC hdc, short x, short y, LPSIZE size )
|
||
|
{
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
if (size)
|
||
|
{
|
||
|
size->cx = dc->w.WndExtX;
|
||
|
size->cy = dc->w.WndExtY;
|
||
|
}
|
||
|
if ((dc->w.MapMode != MM_ISOTROPIC) && (dc->w.MapMode != MM_ANISOTROPIC))
|
||
|
return TRUE;
|
||
|
if (!x || !y) return FALSE;
|
||
|
dc->w.WndExtX = x;
|
||
|
dc->w.WndExtY = y;
|
||
|
if (dc->w.MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* SetWindowOrg (GDI.11)
|
||
|
*/
|
||
|
DWORD SetWindowOrg( HDC hdc, short x, short y )
|
||
|
{
|
||
|
POINT pt;
|
||
|
if (!SetWindowOrgEx( hdc, x, y, &pt )) return 0;
|
||
|
return pt.x | (pt.y << 16);
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* SetWindowOrgEx (GDI.482)
|
||
|
*/
|
||
|
BOOL SetWindowOrgEx( HDC hdc, short x, short y, LPPOINT pt )
|
||
|
{
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
if (pt)
|
||
|
{
|
||
|
pt->x = dc->w.WndOrgX;
|
||
|
pt->y = dc->w.WndOrgY;
|
||
|
}
|
||
|
dc->w.WndOrgX = x;
|
||
|
dc->w.WndOrgY = y;
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* OffsetViewportOrg (GDI.17)
|
||
|
*/
|
||
|
DWORD OffsetViewportOrg( HDC hdc, short x, short y )
|
||
|
{
|
||
|
POINT pt;
|
||
|
if (!OffsetViewportOrgEx( hdc, x, y, &pt )) return 0;
|
||
|
return pt.x | (pt.y << 16);
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* OffsetViewportOrgEx (GDI.476)
|
||
|
*/
|
||
|
BOOL OffsetViewportOrgEx( HDC hdc, short x, short y, LPPOINT pt )
|
||
|
{
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
if (pt)
|
||
|
{
|
||
|
pt->x = dc->w.VportOrgX;
|
||
|
pt->y = dc->w.VportOrgY;
|
||
|
}
|
||
|
dc->w.VportOrgX += x;
|
||
|
dc->w.VportOrgY += y;
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* OffsetWindowOrg (GDI.15)
|
||
|
*/
|
||
|
DWORD OffsetWindowOrg( HDC hdc, short x, short y )
|
||
|
{
|
||
|
POINT pt;
|
||
|
if (!OffsetWindowOrgEx( hdc, x, y, &pt )) return 0;
|
||
|
return pt.x | (pt.y << 16);
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* OffsetWindowOrgEx (GDI.477)
|
||
|
*/
|
||
|
BOOL OffsetWindowOrgEx( HDC hdc, short x, short y, LPPOINT pt )
|
||
|
{
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
if (pt)
|
||
|
{
|
||
|
pt->x = dc->w.WndOrgX;
|
||
|
pt->y = dc->w.WndOrgY;
|
||
|
}
|
||
|
dc->w.WndOrgX += x;
|
||
|
dc->w.WndOrgY += y;
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* ScaleViewportExt (GDI.18)
|
||
|
*/
|
||
|
DWORD ScaleViewportExt( HDC hdc, short xNum, short xDenom,
|
||
|
short yNum, short yDenom )
|
||
|
{
|
||
|
SIZE size;
|
||
|
if (!ScaleViewportExtEx( hdc, xNum, xDenom, yNum, yDenom, &size ))
|
||
|
return 0;
|
||
|
return size.cx | (size.cy << 16);
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* ScaleViewportExtEx (GDI.484)
|
||
|
*/
|
||
|
BOOL ScaleViewportExtEx( HDC hdc, short xNum, short xDenom,
|
||
|
short yNum, short yDenom, LPSIZE size )
|
||
|
{
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
if (size)
|
||
|
{
|
||
|
size->cx = dc->w.VportExtX;
|
||
|
size->cy = dc->w.VportExtY;
|
||
|
}
|
||
|
if ((dc->w.MapMode != MM_ISOTROPIC) && (dc->w.MapMode != MM_ANISOTROPIC))
|
||
|
return TRUE;
|
||
|
if (!xNum || !xDenom || !xNum || !yDenom) return FALSE;
|
||
|
dc->w.VportExtX = (dc->w.VportExtX * xNum) / xDenom;
|
||
|
dc->w.VportExtY = (dc->w.VportExtY * yNum) / yDenom;
|
||
|
if (dc->w.VportExtX == 0) dc->w.VportExtX = 1;
|
||
|
if (dc->w.VportExtY == 0) dc->w.VportExtY = 1;
|
||
|
if (dc->w.MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* ScaleWindowExt (GDI.16)
|
||
|
*/
|
||
|
DWORD ScaleWindowExt( HDC hdc, short xNum, short xDenom,
|
||
|
short yNum, short yDenom )
|
||
|
{
|
||
|
SIZE size;
|
||
|
if (!ScaleWindowExtEx( hdc, xNum, xDenom, yNum, yDenom, &size ))
|
||
|
return 0;
|
||
|
return size.cx | (size.cy << 16);
|
||
|
}
|
||
|
|
||
|
|
||
|
/***********************************************************************
|
||
|
* ScaleWindowExtEx (GDI.485)
|
||
|
*/
|
||
|
BOOL ScaleWindowExtEx( HDC hdc, short xNum, short xDenom,
|
||
|
short yNum, short yDenom, LPSIZE size )
|
||
|
{
|
||
|
DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
|
||
|
if (!dc) return FALSE;
|
||
|
if (size)
|
||
|
{
|
||
|
size->cx = dc->w.WndExtX;
|
||
|
size->cy = dc->w.WndExtY;
|
||
|
}
|
||
|
if ((dc->w.MapMode != MM_ISOTROPIC) && (dc->w.MapMode != MM_ANISOTROPIC))
|
||
|
return TRUE;
|
||
|
if (!xNum || !xDenom || !xNum || !yDenom) return FALSE;
|
||
|
dc->w.WndExtX = (dc->w.WndExtX * xNum) / xDenom;
|
||
|
dc->w.WndExtY = (dc->w.WndExtY * yNum) / yDenom;
|
||
|
if (dc->w.WndExtX == 0) dc->w.WndExtX = 1;
|
||
|
if (dc->w.WndExtY == 0) dc->w.WndExtY = 1;
|
||
|
if (dc->w.MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
|
||
|
return TRUE;
|
||
|
}
|