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-rwxr-xr-x[-rw-r--r--]vcl/win/source/gdi/salgdi.cxx213
1 files changed, 117 insertions, 96 deletions
diff --git a/vcl/win/source/gdi/salgdi.cxx b/vcl/win/source/gdi/salgdi.cxx
index 8cb52c917b38..62bdb4403c1f 100644..100755
--- a/vcl/win/source/gdi/salgdi.cxx
+++ b/vcl/win/source/gdi/salgdi.cxx
@@ -37,9 +37,10 @@
#include <tools/debug.hxx>
#include <salframe.h>
#include <tools/poly.hxx>
-#ifndef _RTL_STRINGBUF_HXX
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
#include <rtl/strbuf.hxx>
-#endif
+#include <vcl/region.h>
using namespace rtl;
@@ -849,7 +850,7 @@ void WinSalGraphics::ResetClipRegion()
// -----------------------------------------------------------------------
-void WinSalGraphics::BeginSetClipRegion( sal_uLong nRectCount )
+bool WinSalGraphics::setClipRegion( const Region& i_rClip )
{
if ( mhRegion )
{
@@ -857,123 +858,143 @@ void WinSalGraphics::BeginSetClipRegion( sal_uLong nRectCount )
mhRegion = 0;
}
- sal_uLong nRectBufSize = sizeof(RECT)*nRectCount;
- if ( nRectCount < SAL_CLIPRECT_COUNT )
+ if( i_rClip.HasPolyPolygon() )
{
- if ( !mpStdClipRgnData )
- mpStdClipRgnData = (RGNDATA*)new BYTE[sizeof(RGNDATA)-1+(SAL_CLIPRECT_COUNT*sizeof(RECT))];
- mpClipRgnData = mpStdClipRgnData;
+ // TODO: ConvertToB2DPolyPolygon actually is kind of const, just it does not advertise it in the header
+ basegfx::B2DPolyPolygon aPolyPolygon( const_cast<Region&>(i_rClip).ConvertToB2DPolyPolygon() );
+ const sal_uInt32 nCount(aPolyPolygon.count());
+
+ if( nCount )
+ {
+ std::vector< POINT > aPolyPoints;
+ aPolyPoints.reserve( 1024 );
+ std::vector< INT > aPolyCounts( nCount, 0 );
+ for(sal_uInt32 a(0); a < nCount; a++)
+ {
+ basegfx::B2DPolygon aPoly( aPolyPolygon.getB2DPolygon(a) );
+ aPoly = basegfx::tools::adaptiveSubdivideByDistance( aPoly, 1 );
+ const sal_uInt32 nPoints = aPoly.count();
+ aPolyCounts[a] = nPoints;
+ for( sal_uInt32 b = 0; b < nPoints; b++ )
+ {
+ basegfx::B2DPoint aPt( aPoly.getB2DPoint( b ) );
+ POINT aPOINT;
+ aPOINT.x = (LONG)aPt.getX();
+ aPOINT.y = (LONG)aPt.getY();
+ aPolyPoints.push_back( aPOINT );
+ }
+ }
+ mhRegion = CreatePolyPolygonRgn( &aPolyPoints[0], &aPolyCounts[0], nCount, ALTERNATE );
+ }
}
else
- mpClipRgnData = (RGNDATA*)new BYTE[sizeof(RGNDATA)-1+nRectBufSize];
- mpClipRgnData->rdh.dwSize = sizeof( RGNDATAHEADER );
- mpClipRgnData->rdh.iType = RDH_RECTANGLES;
- mpClipRgnData->rdh.nCount = nRectCount;
- mpClipRgnData->rdh.nRgnSize = nRectBufSize;
- SetRectEmpty( &(mpClipRgnData->rdh.rcBound) );
- mpNextClipRect = (RECT*)(&(mpClipRgnData->Buffer));
- mbFirstClipRect = TRUE;
-}
-
-
-// -----------------------------------------------------------------------
-
-sal_Bool WinSalGraphics::unionClipRegion( long nX, long nY, long nWidth, long nHeight )
-{
- if ( nWidth && nHeight )
{
- RECT* pRect = mpNextClipRect;
- RECT* pBoundRect = &(mpClipRgnData->rdh.rcBound);
- long nRight = nX + nWidth;
- long nBottom = nY + nHeight;
+ ULONG nRectCount = i_rClip.GetRectCount();
- if ( mbFirstClipRect )
+ ULONG nRectBufSize = sizeof(RECT)*nRectCount;
+ if ( nRectCount < SAL_CLIPRECT_COUNT )
{
- pBoundRect->left = nX;
- pBoundRect->top = nY;
- pBoundRect->right = nRight;
- pBoundRect->bottom = nBottom;
- mbFirstClipRect = FALSE;
+ if ( !mpStdClipRgnData )
+ mpStdClipRgnData = (RGNDATA*)new BYTE[sizeof(RGNDATA)-1+(SAL_CLIPRECT_COUNT*sizeof(RECT))];
+ mpClipRgnData = mpStdClipRgnData;
}
else
+ mpClipRgnData = (RGNDATA*)new BYTE[sizeof(RGNDATA)-1+nRectBufSize];
+ mpClipRgnData->rdh.dwSize = sizeof( RGNDATAHEADER );
+ mpClipRgnData->rdh.iType = RDH_RECTANGLES;
+ mpClipRgnData->rdh.nCount = nRectCount;
+ mpClipRgnData->rdh.nRgnSize = nRectBufSize;
+ RECT* pBoundRect = &(mpClipRgnData->rdh.rcBound);
+ SetRectEmpty( pBoundRect );
+ RECT* pNextClipRect = (RECT*)(&(mpClipRgnData->Buffer));
+ bool bFirstClipRect = true;
+
+ ImplRegionInfo aInfo;
+ long nX, nY, nW, nH;
+ bool bRegionRect = i_rClip.ImplGetFirstRect(aInfo, nX, nY, nW, nH );
+ while( bRegionRect )
{
- if ( nX < pBoundRect->left )
- pBoundRect->left = (int)nX;
-
- if ( nY < pBoundRect->top )
- pBoundRect->top = (int)nY;
-
- if ( nRight > pBoundRect->right )
- pBoundRect->right = (int)nRight;
-
- if ( nBottom > pBoundRect->bottom )
- pBoundRect->bottom = (int)nBottom;
- }
-
- pRect->left = (int)nX;
- pRect->top = (int)nY;
- pRect->right = (int)nRight;
- pRect->bottom = (int)nBottom;
- mpNextClipRect++;
- }
- else
- {
- mpClipRgnData->rdh.nCount--;
- mpClipRgnData->rdh.nRgnSize -= sizeof( RECT );
- }
-
- return TRUE;
-}
+ if ( nW && nH )
+ {
+ long nRight = nX + nW;
+ long nBottom = nY + nH;
-// -----------------------------------------------------------------------
+ if ( bFirstClipRect )
+ {
+ pBoundRect->left = nX;
+ pBoundRect->top = nY;
+ pBoundRect->right = nRight;
+ pBoundRect->bottom = nBottom;
+ bFirstClipRect = false;
+ }
+ else
+ {
+ if ( nX < pBoundRect->left )
+ pBoundRect->left = (int)nX;
-bool WinSalGraphics::unionClipRegion( const ::basegfx::B2DPolyPolygon& )
-{
- // TODO: implement and advertise OutDevSupport_B2DClip support
- return false;
-}
+ if ( nY < pBoundRect->top )
+ pBoundRect->top = (int)nY;
-// -----------------------------------------------------------------------
+ if ( nRight > pBoundRect->right )
+ pBoundRect->right = (int)nRight;
-void WinSalGraphics::EndSetClipRegion()
-{
- // create clip region from ClipRgnData
- if ( mpClipRgnData->rdh.nCount == 1 )
- {
- RECT* pRect = &(mpClipRgnData->rdh.rcBound);
- mhRegion = CreateRectRgn( pRect->left, pRect->top,
- pRect->right, pRect->bottom );
- }
- else
- {
- sal_uLong nSize = mpClipRgnData->rdh.nRgnSize+sizeof(RGNDATAHEADER);
- mhRegion = ExtCreateRegion( NULL, nSize, mpClipRgnData );
+ if ( nBottom > pBoundRect->bottom )
+ pBoundRect->bottom = (int)nBottom;
+ }
- // if ExtCreateRegion(...) is not supported
- if( !mhRegion )
+ pNextClipRect->left = (int)nX;
+ pNextClipRect->top = (int)nY;
+ pNextClipRect->right = (int)nRight;
+ pNextClipRect->bottom = (int)nBottom;
+ pNextClipRect++;
+ }
+ else
+ {
+ mpClipRgnData->rdh.nCount--;
+ mpClipRgnData->rdh.nRgnSize -= sizeof( RECT );
+ }
+ bRegionRect = i_rClip.ImplGetNextRect( aInfo, nX, nY, nW, nH );
+ }
+ // create clip region from ClipRgnData
+ if ( mpClipRgnData->rdh.nCount == 1 )
{
- RGNDATAHEADER* pHeader = (RGNDATAHEADER*) mpClipRgnData;
+ RECT* pRect = &(mpClipRgnData->rdh.rcBound);
+ mhRegion = CreateRectRgn( pRect->left, pRect->top,
+ pRect->right, pRect->bottom );
+ }
+ else if( mpClipRgnData->rdh.nCount > 1 )
+ {
+ ULONG nSize = mpClipRgnData->rdh.nRgnSize+sizeof(RGNDATAHEADER);
+ mhRegion = ExtCreateRegion( NULL, nSize, mpClipRgnData );
- if( pHeader->nCount )
+ // if ExtCreateRegion(...) is not supported
+ if( !mhRegion )
{
- RECT* pRect = (RECT*) mpClipRgnData->Buffer;
- mhRegion = CreateRectRgn( pRect->left, pRect->top, pRect->right, pRect->bottom );
- pRect++;
+ RGNDATAHEADER* pHeader = (RGNDATAHEADER*) mpClipRgnData;
- for( sal_uLong n = 1; n < pHeader->nCount; n++, pRect++ )
+ if( pHeader->nCount )
{
- HRGN hRgn = CreateRectRgn( pRect->left, pRect->top, pRect->right, pRect->bottom );
- CombineRgn( mhRegion, mhRegion, hRgn, RGN_OR );
- DeleteRegion( hRgn );
+ RECT* pRect = (RECT*) mpClipRgnData->Buffer;
+ mhRegion = CreateRectRgn( pRect->left, pRect->top, pRect->right, pRect->bottom );
+ pRect++;
+
+ for( ULONG n = 1; n < pHeader->nCount; n++, pRect++ )
+ {
+ HRGN hRgn = CreateRectRgn( pRect->left, pRect->top, pRect->right, pRect->bottom );
+ CombineRgn( mhRegion, mhRegion, hRgn, RGN_OR );
+ DeleteRegion( hRgn );
+ }
}
}
- }
- if ( mpClipRgnData != mpStdClipRgnData )
- delete [] mpClipRgnData;
+ if ( mpClipRgnData != mpStdClipRgnData )
+ delete [] mpClipRgnData;
+ }
}
- SelectClipRgn( mhDC, mhRegion );
+ if( mhRegion )
+ SelectClipRgn( mhDC, mhRegion );
+ return mhRegion != 0;
}
// -----------------------------------------------------------------------
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 12:21:14 +0000