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635 lines
16 KiB
C
635 lines
16 KiB
C
/*
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* GDI mapping mode functions
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*
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* Copyright 1993 Alexandre Julliard
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*/
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#include "gdi.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(gdi);
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/***********************************************************************
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* MAPPING_FixIsotropic
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*
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* Fix viewport extensions for isotropic mode.
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*/
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void MAPPING_FixIsotropic( DC * dc )
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{
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double xdim = (double)dc->vportExtX * dc->devCaps->horzSize /
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(dc->devCaps->horzRes * dc->wndExtX);
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double ydim = (double)dc->vportExtY * dc->devCaps->vertSize /
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(dc->devCaps->vertRes * dc->wndExtY);
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if (xdim > ydim)
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{
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dc->vportExtX = dc->vportExtX * fabs( ydim / xdim );
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if (!dc->vportExtX) dc->vportExtX = 1;
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}
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else
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{
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dc->vportExtY = dc->vportExtY * fabs( xdim / ydim );
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if (!dc->vportExtY) dc->vportExtY = 1;
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}
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}
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/***********************************************************************
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* DPtoLP16 (GDI.67)
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*/
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BOOL16 WINAPI DPtoLP16( HDC16 hdc, LPPOINT16 points, INT16 count )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return FALSE;
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while (count--)
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{
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points->x = XDPTOLP( dc, points->x );
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points->y = YDPTOLP( dc, points->y );
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points++;
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}
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GDI_ReleaseObj( hdc );
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return TRUE;
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}
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/***********************************************************************
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* DPtoLP (GDI32.65)
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*/
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BOOL WINAPI DPtoLP( HDC hdc, LPPOINT points, INT count )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return FALSE;
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while (count--)
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{
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if (!INTERNAL_DPTOLP( dc, points ))
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break;
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points++;
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}
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GDI_ReleaseObj( hdc );
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return (count < 0);
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}
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/***********************************************************************
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* LPtoDP16 (GDI.99)
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*/
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BOOL16 WINAPI LPtoDP16( HDC16 hdc, LPPOINT16 points, INT16 count )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return FALSE;
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while (count--)
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{
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points->x = XLPTODP( dc, points->x );
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points->y = YLPTODP( dc, points->y );
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points++;
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}
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GDI_ReleaseObj( hdc );
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return TRUE;
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}
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/***********************************************************************
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* LPtoDP (GDI32.247)
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*/
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BOOL WINAPI LPtoDP( HDC hdc, LPPOINT points, INT count )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return FALSE;
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while (count--)
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{
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INTERNAL_LPTODP( dc, points );
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points++;
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}
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GDI_ReleaseObj( hdc );
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return TRUE;
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}
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/***********************************************************************
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* SetMapMode16 (GDI.3)
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*/
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INT16 WINAPI SetMapMode16( HDC16 hdc, INT16 mode )
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{
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return SetMapMode( hdc, mode );
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}
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/***********************************************************************
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* SetMapMode (GDI32.321)
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*/
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INT WINAPI SetMapMode( HDC hdc, INT mode )
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{
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INT prevMode;
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DC * dc = DC_GetDCPtr( hdc );
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if (!dc) return 0;
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if (dc->funcs->pSetMapMode)
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{
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prevMode = dc->funcs->pSetMapMode( dc, mode );
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goto done;
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}
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TRACE("%04x %d\n", hdc, mode );
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prevMode = dc->MapMode;
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switch(mode)
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{
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case MM_TEXT:
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dc->wndExtX = 1;
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dc->wndExtY = 1;
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dc->vportExtX = 1;
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dc->vportExtY = 1;
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break;
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case MM_LOMETRIC:
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case MM_ISOTROPIC:
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dc->wndExtX = dc->devCaps->horzSize;
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dc->wndExtY = dc->devCaps->vertSize;
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dc->vportExtX = dc->devCaps->horzRes / 10;
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dc->vportExtY = dc->devCaps->vertRes / -10;
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break;
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case MM_HIMETRIC:
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dc->wndExtX = dc->devCaps->horzSize * 10;
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dc->wndExtY = dc->devCaps->vertSize * 10;
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dc->vportExtX = dc->devCaps->horzRes / 10;
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dc->vportExtY = dc->devCaps->vertRes / -10;
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break;
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case MM_LOENGLISH:
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dc->wndExtX = dc->devCaps->horzSize;
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dc->wndExtY = dc->devCaps->vertSize;
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dc->vportExtX = 254L * dc->devCaps->horzRes / 1000;
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dc->vportExtY = -254L * dc->devCaps->vertRes / 1000;
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break;
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case MM_HIENGLISH:
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dc->wndExtX = dc->devCaps->horzSize * 10;
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dc->wndExtY = dc->devCaps->vertSize * 10;
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dc->vportExtX = 254L * dc->devCaps->horzRes / 1000;
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dc->vportExtY = -254L * dc->devCaps->vertRes / 1000;
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break;
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case MM_TWIPS:
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dc->wndExtX = 144L * dc->devCaps->horzSize / 10;
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dc->wndExtY = 144L * dc->devCaps->vertSize / 10;
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dc->vportExtX = 254L * dc->devCaps->horzRes / 1000;
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dc->vportExtY = -254L * dc->devCaps->vertRes / 1000;
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break;
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case MM_ANISOTROPIC:
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break;
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default:
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goto done;
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}
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dc->MapMode = mode;
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DC_UpdateXforms( dc );
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done:
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GDI_ReleaseObj( hdc );
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return prevMode;
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}
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/***********************************************************************
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* SetViewportExt (GDI.14)
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*/
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DWORD WINAPI SetViewportExt16( HDC16 hdc, INT16 x, INT16 y )
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{
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SIZE size;
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if (!SetViewportExtEx( hdc, x, y, &size )) return 0;
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return MAKELONG( size.cx, size.cy );
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}
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/***********************************************************************
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* SetViewportExtEx16 (GDI.479)
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*/
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BOOL16 WINAPI SetViewportExtEx16( HDC16 hdc, INT16 x, INT16 y, LPSIZE16 size )
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{
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SIZE size32;
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BOOL16 ret = SetViewportExtEx( hdc, x, y, &size32 );
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if (size) { size->cx = size32.cx; size->cy = size32.cy; }
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return ret;
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}
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/***********************************************************************
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* SetViewportExtEx (GDI32.340)
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*/
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BOOL WINAPI SetViewportExtEx( HDC hdc, INT x, INT y, LPSIZE size )
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{
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BOOL ret = TRUE;
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DC * dc = DC_GetDCPtr( hdc );
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if (!dc) return FALSE;
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if (dc->funcs->pSetViewportExt)
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{
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ret = dc->funcs->pSetViewportExt( dc, x, y );
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goto done;
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}
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if (size)
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{
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size->cx = dc->vportExtX;
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size->cy = dc->vportExtY;
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}
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if ((dc->MapMode != MM_ISOTROPIC) && (dc->MapMode != MM_ANISOTROPIC))
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goto done;
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if (!x || !y)
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{
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ret = FALSE;
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goto done;
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}
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dc->vportExtX = x;
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dc->vportExtY = y;
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if (dc->MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
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DC_UpdateXforms( dc );
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done:
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GDI_ReleaseObj( hdc );
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return ret;
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}
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/***********************************************************************
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* SetViewportOrg (GDI.13)
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*/
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DWORD WINAPI SetViewportOrg16( HDC16 hdc, INT16 x, INT16 y )
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{
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POINT pt;
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if (!SetViewportOrgEx( hdc, x, y, &pt )) return 0;
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return MAKELONG( pt.x, pt.y );
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}
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/***********************************************************************
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* SetViewportOrgEx16 (GDI.480)
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*/
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BOOL16 WINAPI SetViewportOrgEx16( HDC16 hdc, INT16 x, INT16 y, LPPOINT16 pt )
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{
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POINT pt32;
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BOOL16 ret = SetViewportOrgEx( hdc, x, y, &pt32 );
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if (pt) CONV_POINT32TO16( &pt32, pt );
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return ret;
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}
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/***********************************************************************
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* SetViewportOrgEx (GDI32.341)
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*/
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BOOL WINAPI SetViewportOrgEx( HDC hdc, INT x, INT y, LPPOINT pt )
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{
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BOOL ret = TRUE;
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DC * dc = DC_GetDCPtr( hdc );
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if (!dc) return FALSE;
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if (dc->funcs->pSetViewportOrg)
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ret = dc->funcs->pSetViewportOrg( dc, x, y );
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else
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{
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if (pt)
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{
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pt->x = dc->vportOrgX;
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pt->y = dc->vportOrgY;
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}
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dc->vportOrgX = x;
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dc->vportOrgY = y;
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DC_UpdateXforms( dc );
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}
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GDI_ReleaseObj( hdc );
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return ret;
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}
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/***********************************************************************
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* SetWindowExt (GDI.12)
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*/
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DWORD WINAPI SetWindowExt16( HDC16 hdc, INT16 x, INT16 y )
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{
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SIZE size;
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if (!SetWindowExtEx( hdc, x, y, &size )) return 0;
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return MAKELONG( size.cx, size.cy );
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}
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/***********************************************************************
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* SetWindowExtEx16 (GDI.481)
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*/
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BOOL16 WINAPI SetWindowExtEx16( HDC16 hdc, INT16 x, INT16 y, LPSIZE16 size )
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{
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SIZE size32;
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BOOL16 ret = SetWindowExtEx( hdc, x, y, &size32 );
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if (size) { size->cx = size32.cx; size->cy = size32.cy; }
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return ret;
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}
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/***********************************************************************
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* SetWindowExtEx (GDI32.344)
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*/
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BOOL WINAPI SetWindowExtEx( HDC hdc, INT x, INT y, LPSIZE size )
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{
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BOOL ret = TRUE;
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DC * dc = DC_GetDCPtr( hdc );
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if (!dc) return FALSE;
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if (dc->funcs->pSetWindowExt)
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{
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ret = dc->funcs->pSetWindowExt( dc, x, y );
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goto done;
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}
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if (size)
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{
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size->cx = dc->wndExtX;
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size->cy = dc->wndExtY;
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}
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if ((dc->MapMode != MM_ISOTROPIC) && (dc->MapMode != MM_ANISOTROPIC))
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goto done;
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if (!x || !y)
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{
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ret = FALSE;
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goto done;
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}
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dc->wndExtX = x;
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dc->wndExtY = y;
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if (dc->MapMode == MM_ISOTROPIC) MAPPING_FixIsotropic( dc );
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DC_UpdateXforms( dc );
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done:
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GDI_ReleaseObj( hdc );
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return ret;
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}
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/***********************************************************************
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* SetWindowOrg (GDI.11)
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*/
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DWORD WINAPI SetWindowOrg16( HDC16 hdc, INT16 x, INT16 y )
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{
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POINT pt;
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if (!SetWindowOrgEx( hdc, x, y, &pt )) return 0;
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return MAKELONG( pt.x, pt.y );
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}
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/***********************************************************************
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* SetWindowOrgEx16 (GDI.482)
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*/
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BOOL16 WINAPI SetWindowOrgEx16( HDC16 hdc, INT16 x, INT16 y, LPPOINT16 pt )
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{
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POINT pt32;
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BOOL16 ret = SetWindowOrgEx( hdc, x, y, &pt32 );
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if (pt) CONV_POINT32TO16( &pt32, pt );
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return ret;
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}
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/***********************************************************************
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* SetWindowOrgEx (GDI32.345)
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*/
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BOOL WINAPI SetWindowOrgEx( HDC hdc, INT x, INT y, LPPOINT pt )
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{
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BOOL ret = TRUE;
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DC * dc = DC_GetDCPtr( hdc );
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if (!dc) return FALSE;
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if (dc->funcs->pSetWindowOrg) ret = dc->funcs->pSetWindowOrg( dc, x, y );
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else
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{
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if (pt)
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{
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pt->x = dc->wndOrgX;
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pt->y = dc->wndOrgY;
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}
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dc->wndOrgX = x;
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dc->wndOrgY = y;
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DC_UpdateXforms( dc );
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}
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GDI_ReleaseObj( hdc );
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return ret;
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}
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/***********************************************************************
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* OffsetViewportOrg (GDI.17)
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*/
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DWORD WINAPI OffsetViewportOrg16( HDC16 hdc, INT16 x, INT16 y )
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{
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POINT pt;
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if (!OffsetViewportOrgEx( hdc, x, y, &pt )) return 0;
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return MAKELONG( pt.x, pt.y );
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}
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/***********************************************************************
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* OffsetViewportOrgEx16 (GDI.476)
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*/
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BOOL16 WINAPI OffsetViewportOrgEx16( HDC16 hdc, INT16 x, INT16 y, LPPOINT16 pt)
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{
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POINT pt32;
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BOOL16 ret = OffsetViewportOrgEx( hdc, x, y, &pt32 );
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if (pt) CONV_POINT32TO16( &pt32, pt );
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return ret;
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}
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/***********************************************************************
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* OffsetViewportOrgEx (GDI32.257)
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*/
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BOOL WINAPI OffsetViewportOrgEx( HDC hdc, INT x, INT y, LPPOINT pt)
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{
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BOOL ret = TRUE;
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DC * dc = DC_GetDCPtr( hdc );
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if (!dc) return FALSE;
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if (dc->funcs->pOffsetViewportOrg)
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ret = dc->funcs->pOffsetViewportOrg( dc, x, y );
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else
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{
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if (pt)
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{
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pt->x = dc->vportOrgX;
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pt->y = dc->vportOrgY;
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}
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dc->vportOrgX += x;
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dc->vportOrgY += y;
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DC_UpdateXforms( dc );
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}
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GDI_ReleaseObj( hdc );
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return ret;
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}
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/***********************************************************************
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* OffsetWindowOrg (GDI.15)
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*/
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DWORD WINAPI OffsetWindowOrg16( HDC16 hdc, INT16 x, INT16 y )
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{
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POINT pt;
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if (!OffsetWindowOrgEx( hdc, x, y, &pt )) return 0;
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return MAKELONG( pt.x, pt.y );
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}
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/***********************************************************************
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* OffsetWindowOrgEx16 (GDI.477)
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*/
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BOOL16 WINAPI OffsetWindowOrgEx16( HDC16 hdc, INT16 x, INT16 y, LPPOINT16 pt )
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{
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POINT pt32;
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BOOL16 ret = OffsetWindowOrgEx( hdc, x, y, &pt32 );
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if (pt) CONV_POINT32TO16( &pt32, pt );
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return ret;
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}
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/***********************************************************************
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* OffsetWindowOrgEx (GDI32.258)
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*/
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BOOL WINAPI OffsetWindowOrgEx( HDC hdc, INT x, INT y, LPPOINT pt )
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{
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BOOL ret = TRUE;
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DC * dc = DC_GetDCPtr( hdc );
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if (!dc) return FALSE;
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if (dc->funcs->pOffsetWindowOrg)
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ret = dc->funcs->pOffsetWindowOrg( dc, x, y );
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else
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{
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if (pt)
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{
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pt->x = dc->wndOrgX;
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pt->y = dc->wndOrgY;
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}
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dc->wndOrgX += x;
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dc->wndOrgY += y;
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DC_UpdateXforms( dc );
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}
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GDI_ReleaseObj( hdc );
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return ret;
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}
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/***********************************************************************
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* ScaleViewportExt (GDI.18)
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*/
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DWORD WINAPI ScaleViewportExt16( HDC16 hdc, INT16 xNum, INT16 xDenom,
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INT16 yNum, INT16 yDenom )
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{
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SIZE size;
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if (!ScaleViewportExtEx( hdc, xNum, xDenom, yNum, yDenom, &size ))
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return FALSE;
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return MAKELONG( size.cx, size.cy );
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}
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/***********************************************************************
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* ScaleViewportExtEx16 (GDI.484)
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*/
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BOOL16 WINAPI ScaleViewportExtEx16( HDC16 hdc, INT16 xNum, INT16 xDenom,
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INT16 yNum, INT16 yDenom, LPSIZE16 size )
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{
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SIZE size32;
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BOOL16 ret = ScaleViewportExtEx( hdc, xNum, xDenom, yNum, yDenom,
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&size32 );
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if (size) { size->cx = size32.cx; size->cy = size32.cy; }
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return ret;
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}
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/***********************************************************************
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* ScaleViewportExtEx (GDI32.293)
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*/
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BOOL WINAPI ScaleViewportExtEx( HDC hdc, INT xNum, INT xDenom,
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INT yNum, INT yDenom, LPSIZE size )
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{
|
|
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 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ScaleWindowExtEx16 (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 (GDI32.294)
|
|
*/
|
|
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;
|
|
}
|