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Fixed differences between SetRectRgn16 and SetRectRgn32. Also a bug fix for
CreateRoundRectRgn.
This commit is contained in:
parent
66cd333461
commit
e0a25722ac
1 changed files with 43 additions and 9 deletions
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@ -254,10 +254,18 @@ INT32 WINAPI GetRgnBox32( HRGN32 hrgn, LPRECT32 rect )
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/***********************************************************************
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* CreateRectRgn16 (GDI.64)
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*
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* NOTE: Doesn't call CreateRectRgn32 because of differences in SetRectRgn16/32
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*/
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HRGN16 WINAPI CreateRectRgn16(INT16 left, INT16 top, INT16 right, INT16 bottom)
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{
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return (HRGN16)CreateRectRgn32( left, top, right, bottom );
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HRGN16 hrgn;
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if (!(hrgn = (HRGN16)REGION_CreateRegion()))
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return 0;
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TRACE(region, "\n");
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SetRectRgn16(hrgn, left, top, right, bottom);
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return hrgn;
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}
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@ -270,7 +278,7 @@ HRGN32 WINAPI CreateRectRgn32(INT32 left, INT32 top, INT32 right, INT32 bottom)
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if (!(hrgn = REGION_CreateRegion()))
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return 0;
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TRACE(region, " \n");
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TRACE(region, "\n");
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SetRectRgn32(hrgn, left, top, right, bottom);
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return hrgn;
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}
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@ -280,7 +288,7 @@ HRGN32 WINAPI CreateRectRgn32(INT32 left, INT32 top, INT32 right, INT32 bottom)
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*/
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HRGN16 WINAPI CreateRectRgnIndirect16( const RECT16* rect )
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{
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return CreateRectRgn32( rect->left, rect->top, rect->right, rect->bottom );
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return CreateRectRgn16( rect->left, rect->top, rect->right, rect->bottom );
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}
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@ -295,16 +303,23 @@ HRGN32 WINAPI CreateRectRgnIndirect32( const RECT32* rect )
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/***********************************************************************
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* SetRectRgn16 (GDI.172)
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*
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* NOTE: Win 3.1 sets region to empty if left > right
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*/
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VOID WINAPI SetRectRgn16( HRGN16 hrgn, INT16 left, INT16 top,
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INT16 right, INT16 bottom )
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{
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SetRectRgn32( hrgn, left, top, right, bottom );
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if(left < right)
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SetRectRgn32( hrgn, left, top, right, bottom );
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else
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SetRectRgn32( hrgn, 0, 0, 0, 0 );
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}
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/***********************************************************************
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* SetRectRgn32 (GDI32.332)
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*
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* Allows either or both left and top to be greater than right or bottom.
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*/
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VOID WINAPI SetRectRgn32( HRGN32 hrgn, INT32 left, INT32 top,
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INT32 right, INT32 bottom )
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@ -315,7 +330,11 @@ VOID WINAPI SetRectRgn32( HRGN32 hrgn, INT32 left, INT32 top,
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hrgn, left, top, right, bottom );
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if (!(obj = (RGNOBJ *) GDI_GetObjPtr( hrgn, REGION_MAGIC ))) return;
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if ((right > left) && (bottom > top))
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if (left > right) { INT32 tmp = left; left = right; right = tmp; }
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if (top > bottom) { INT32 tmp = top; top = bottom; bottom = tmp; }
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if((left != right) && (top != bottom))
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{
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obj->rgn->rects->left = obj->rgn->extents.left = left;
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obj->rgn->rects->top = obj->rgn->extents.top = top;
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@ -333,12 +352,20 @@ VOID WINAPI SetRectRgn32( HRGN32 hrgn, INT32 left, INT32 top,
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/***********************************************************************
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* CreateRoundRectRgn16 (GDI.444)
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*
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* If either ellipse dimension is zero we call CreateRectRgn16 for its
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* `special' behaviour. -ve ellipse dimensions can result in GPFs under win3.1
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* we just let CreateRoundRectRgn32 convert them to +ve values.
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*/
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HRGN16 WINAPI CreateRoundRectRgn16( INT16 left, INT16 top,
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INT16 right, INT16 bottom,
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INT16 ellipse_width, INT16 ellipse_height )
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{
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return (HRGN16)CreateRoundRectRgn32( left, top, right, bottom,
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if( ellipse_width == 0 || ellipse_height == 0 )
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return CreateRectRgn16( left, top, right, bottom );
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else
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return (HRGN16)CreateRoundRectRgn32( left, top, right, bottom,
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ellipse_width, ellipse_height );
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}
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@ -356,10 +383,17 @@ HRGN32 WINAPI CreateRoundRectRgn32( INT32 left, INT32 top,
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/* Check if we can do a normal rectangle instead */
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if ((right <= left) || (bottom <= top) ||
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(ellipse_width <= 0) || (ellipse_height <= 0))
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if ((ellipse_width == 0) || (ellipse_height == 0))
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return CreateRectRgn32( left, top, right, bottom );
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/* Make the dimensions sensible */
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if (left > right) { INT32 tmp = left; left = right; right = tmp; }
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if (top > bottom) { INT32 tmp = top; top = bottom; bottom = tmp; }
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ellipse_width = abs(ellipse_width);
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ellipse_height = abs(ellipse_height);
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/* Create region */
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if (!(hrgn = REGION_CreateRegion())) return 0;
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@ -382,7 +416,7 @@ HRGN32 WINAPI CreateRoundRectRgn32( INT32 left, INT32 top,
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yd = asq * ellipse_height; /* 2a^2b */
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rect.left = left + ellipse_width / 2;
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rect.right = right - ellipse_width;
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rect.right = right - ellipse_width / 2;
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/* Loop to draw first half of quadrant */
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