306 lines
8.5 KiB
C
306 lines
8.5 KiB
C
/*
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* DIB driver graphics operations.
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*
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* Copyright 2011 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "gdi_private.h"
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#include "dibdrv.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dib);
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static RECT get_device_rect( HDC hdc, int left, int top, int right, int bottom, BOOL rtl_correction )
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{
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RECT rect;
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rect.left = left;
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rect.top = top;
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rect.right = right;
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rect.bottom = bottom;
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if (rtl_correction && GetLayout( hdc ) & LAYOUT_RTL)
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{
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/* shift the rectangle so that the right border is included after mirroring */
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/* it would be more correct to do this after LPtoDP but that's not what Windows does */
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rect.left--;
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rect.right--;
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}
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LPtoDP( hdc, (POINT *)&rect, 2 );
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if (rect.left > rect.right)
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{
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int tmp = rect.left;
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rect.left = rect.right;
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rect.right = tmp;
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}
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if (rect.top > rect.bottom)
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{
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int tmp = rect.top;
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rect.top = rect.bottom;
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rect.bottom = tmp;
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}
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return rect;
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}
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/***********************************************************************
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* dibdrv_GetPixel
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*/
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COLORREF dibdrv_GetPixel( PHYSDEV dev, INT x, INT y )
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{
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dibdrv_physdev *pdev = get_dibdrv_pdev( dev );
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POINT pt;
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DWORD pixel;
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TRACE( "(%p, %d, %d)\n", dev, x, y );
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pt.x = x;
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pt.y = y;
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LPtoDP( dev->hdc, &pt, 1 );
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if (pt.x < 0 || pt.x >= pdev->dib.width ||
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pt.y < 0 || pt.y >= pdev->dib.height)
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return CLR_INVALID;
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pixel = pdev->dib.funcs->get_pixel( &pdev->dib, &pt );
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return pdev->dib.funcs->pixel_to_colorref( &pdev->dib, pixel );
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}
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/***********************************************************************
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* dibdrv_LineTo
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*/
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BOOL dibdrv_LineTo( PHYSDEV dev, INT x, INT y )
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{
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PHYSDEV next = GET_NEXT_PHYSDEV( dev, pLineTo );
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dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
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POINT pts[2];
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GetCurrentPositionEx(dev->hdc, pts);
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pts[1].x = x;
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pts[1].y = y;
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LPtoDP(dev->hdc, pts, 2);
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reset_dash_origin(pdev);
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if(defer_pen(pdev) || !pdev->pen_lines(pdev, 2, pts))
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return next->funcs->pLineTo( next, x, y );
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return TRUE;
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}
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/***********************************************************************
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* get_rop2_from_rop
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*
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* Returns the binary rop that is equivalent to the provided ternary rop
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* if the src bits are ignored.
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*/
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static inline INT get_rop2_from_rop(INT rop)
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{
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return (((rop >> 18) & 0x0c) | ((rop >> 16) & 0x03)) + 1;
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}
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/***********************************************************************
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* dibdrv_PatBlt
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*/
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BOOL dibdrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
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{
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PHYSDEV next = GET_NEXT_PHYSDEV( dev, pPatBlt );
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dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
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INT rop2 = get_rop2_from_rop(rop);
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BOOL done;
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TRACE("(%p, %d, %d, %d, %d, %06x)\n", dev, dst->x, dst->y, dst->width, dst->height, rop);
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if(defer_brush(pdev))
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return next->funcs->pPatBlt( next, dst, rop );
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update_brush_rop( pdev, rop2 );
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done = brush_rects( pdev, 1, &dst->visrect );
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update_brush_rop( pdev, GetROP2(dev->hdc) );
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if(!done)
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return next->funcs->pPatBlt( next, dst, rop );
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return TRUE;
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}
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/***********************************************************************
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* dibdrv_PaintRgn
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*/
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BOOL dibdrv_PaintRgn( PHYSDEV dev, HRGN rgn )
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{
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PHYSDEV next = GET_NEXT_PHYSDEV( dev, pPaintRgn );
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dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
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const WINEREGION *region;
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int i;
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RECT rect;
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TRACE("%p, %p\n", dev, rgn);
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if(defer_brush(pdev)) return next->funcs->pPaintRgn( next, rgn );
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region = get_wine_region( rgn );
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if(!region) return FALSE;
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for(i = 0; i < region->numRects; i++)
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{
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rect = get_device_rect( dev->hdc, region->rects[i].left, region->rects[i].top,
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region->rects[i].right, region->rects[i].bottom, FALSE );
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brush_rects( pdev, 1, &rect );
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}
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release_wine_region( rgn );
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return TRUE;
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}
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/***********************************************************************
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* dibdrv_PolyPolyline
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*/
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BOOL dibdrv_PolyPolyline( PHYSDEV dev, const POINT* pt, const DWORD* counts, DWORD polylines )
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{
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dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
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PHYSDEV next = GET_NEXT_PHYSDEV( dev, pPolyPolyline );
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DWORD max_points = 0, i;
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POINT *points;
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if (defer_pen( pdev )) return next->funcs->pPolyPolyline( next, pt, counts, polylines );
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for (i = 0; i < polylines; i++) max_points = max( counts[i], max_points );
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points = HeapAlloc( GetProcessHeap(), 0, max_points * sizeof(*pt) );
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if (!points) return FALSE;
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for (i = 0; i < polylines; i++)
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{
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memcpy( points, pt, counts[i] * sizeof(*pt) );
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pt += counts[i];
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LPtoDP( dev->hdc, points, counts[i] );
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reset_dash_origin( pdev );
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pdev->pen_lines( pdev, counts[i], points );
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}
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HeapFree( GetProcessHeap(), 0, points );
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return TRUE;
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}
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/***********************************************************************
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* dibdrv_Polyline
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*/
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BOOL dibdrv_Polyline( PHYSDEV dev, const POINT* pt, INT count )
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{
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dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
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PHYSDEV next = GET_NEXT_PHYSDEV( dev, pPolyline );
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POINT *points;
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if (defer_pen( pdev )) return next->funcs->pPolyline( next, pt, count );
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points = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*pt) );
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if (!points) return FALSE;
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memcpy( points, pt, count * sizeof(*pt) );
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LPtoDP( dev->hdc, points, count );
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reset_dash_origin( pdev );
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pdev->pen_lines( pdev, count, points );
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HeapFree( GetProcessHeap(), 0, points );
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return TRUE;
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}
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/***********************************************************************
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* dibdrv_Rectangle
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*/
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BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
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{
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PHYSDEV next = GET_NEXT_PHYSDEV( dev, pRectangle );
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dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
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RECT rect = get_device_rect( dev->hdc, left, top, right, bottom, TRUE );
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POINT pts[5];
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TRACE("(%p, %d, %d, %d, %d)\n", dev, left, top, right, bottom);
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if(rect.left == rect.right || rect.top == rect.bottom) return TRUE;
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if(defer_pen(pdev) || defer_brush(pdev))
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return next->funcs->pRectangle( next, left, top, right, bottom );
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reset_dash_origin(pdev);
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/* 4 pts going anti-clockwise starting from top-right */
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pts[0].x = pts[3].x = rect.right - 1;
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pts[0].y = pts[1].y = rect.top;
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pts[1].x = pts[2].x = rect.left;
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pts[2].y = pts[3].y = rect.bottom - 1;
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pts[4] = pts[0];
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pdev->pen_lines(pdev, 5, pts);
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/* FIXME: Will need updating when we support wide pens */
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rect.left += 1;
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rect.top += 1;
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rect.right -= 1;
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rect.bottom -= 1;
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brush_rects(pdev, 1, &rect);
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return TRUE;
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}
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/***********************************************************************
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* dibdrv_SetPixel
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*/
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COLORREF dibdrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
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{
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dibdrv_physdev *pdev = get_dibdrv_pdev( dev );
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int i;
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POINT pt;
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DWORD pixel;
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const WINEREGION *clip = get_wine_region( pdev->clip );
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TRACE( "(%p, %d, %d, %08x)\n", dev, x, y, color );
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pt.x = x;
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pt.y = y;
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LPtoDP( dev->hdc, &pt, 1 );
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/* SetPixel doesn't do the 1bpp massaging like other fg colors */
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pixel = get_pixel_color( pdev, color, FALSE );
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color = pdev->dib.funcs->pixel_to_colorref( &pdev->dib, pixel );
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for (i = 0; i < clip->numRects; i++)
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{
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if (pt_in_rect( clip->rects + i, pt ))
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{
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RECT rect;
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rect.left = pt.x;
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rect.top = pt.y;
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rect.right = rect.left + 1;
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rect.bottom = rect.top + 1;
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pdev->dib.funcs->solid_rects( &pdev->dib, 1, &rect, 0, pixel );
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break;
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}
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}
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release_wine_region( pdev->clip );
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return color;
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}
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