Huw Davies : gdi32: Pass a DC pointer to get_device_rect() to avoid accesses via the handle.
Module: wine Branch: master Commit: 7fa6dfecc9980bbc2c67ee1ae39a80d149c72bd8 URL: http://source.winehq.org/git/wine.git/?a=commit;h=7fa6dfecc9980bbc2c67ee1ae3... Author: Huw Davies <huw(a)codeweavers.com> Date: Wed Jul 27 09:59:27 2016 +0100 gdi32: Pass a DC pointer to get_device_rect() to avoid accesses via the handle. Signed-off-by: Huw Davies <huw(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/gdi32/dibdrv/graphics.c | 47 ++++++++++++++++++++++++-------------------- 1 file changed, 26 insertions(+), 21 deletions(-) diff --git a/dlls/gdi32/dibdrv/graphics.c b/dlls/gdi32/dibdrv/graphics.c index 64f6d15..f0880cf 100644 --- a/dlls/gdi32/dibdrv/graphics.c +++ b/dlls/gdi32/dibdrv/graphics.c @@ -92,7 +92,7 @@ static BOOL pen_region( dibdrv_physdev *pdev, HRGN region ) return brush_rect( pdev, &pdev->pen_brush, NULL, region ); } -static RECT get_device_rect( HDC hdc, int left, int top, int right, int bottom, BOOL rtl_correction ) +static RECT get_device_rect( DC *dc, int left, int top, int right, int bottom, BOOL rtl_correction ) { RECT rect; @@ -100,21 +100,22 @@ static RECT get_device_rect( HDC hdc, int left, int top, int right, int bottom, rect.top = top; rect.right = right; rect.bottom = bottom; - if (rtl_correction && GetLayout( hdc ) & LAYOUT_RTL) + if (rtl_correction && dc->layout & LAYOUT_RTL) { /* shift the rectangle so that the right border is included after mirroring */ /* it would be more correct to do this after LPtoDP but that's not what Windows does */ rect.left--; rect.right--; } - LPtoDP( hdc, (POINT *)&rect, 2 ); + lp_to_dp( dc, (POINT *)&rect, 2 ); order_rect( &rect ); return rect; } -static BOOL get_pen_device_rect( dibdrv_physdev *dev, RECT *rect, int left, int top, int right, int bottom ) +static BOOL get_pen_device_rect( DC *dc, dibdrv_physdev *dev, RECT *rect, + int left, int top, int right, int bottom ) { - *rect = get_device_rect( dev->dev.hdc, left, top, right, bottom, TRUE ); + *rect = get_device_rect( dc, left, top, right, bottom, TRUE ); if (rect->left == rect->right || rect->top == rect->bottom) return FALSE; if (dev->pen_style == PS_INSIDEFRAME) @@ -234,7 +235,7 @@ static int find_intersection( const POINT *points, int x, int y, int count ) return 2 * count + i; } -static int get_arc_points( PHYSDEV dev, const RECT *rect, POINT start, POINT end, POINT *points ) +static int get_arc_points( int arc_dir, const RECT *rect, POINT start, POINT end, POINT *points ) { int i, pos, count, start_pos, end_pos; int width = rect->right - rect->left; @@ -246,7 +247,7 @@ static int get_arc_points( PHYSDEV dev, const RECT *rect, POINT start, POINT end points[i].x -= width / 2; points[i].y -= height / 2; } - if (GetArcDirection( dev->hdc ) != AD_CLOCKWISE) + if (arc_dir != AD_CLOCKWISE) { start.y = -start.y; end.y = -end.y; @@ -256,7 +257,7 @@ static int get_arc_points( PHYSDEV dev, const RECT *rect, POINT start, POINT end if (end_pos <= start_pos) end_pos += 4 * count; pos = count; - if (GetArcDirection( dev->hdc ) == AD_CLOCKWISE) + if (arc_dir == AD_CLOCKWISE) { for (i = start_pos; i < end_pos; i++, pos++) { @@ -316,13 +317,14 @@ static BOOL draw_arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT start_x, INT start_y, INT end_x, INT end_y, INT extra_lines ) { dibdrv_physdev *pdev = get_dibdrv_pdev( dev ); + DC *dc = get_physdev_dc( dev ); RECT rect; POINT pt[2], *points; int width, height, count; BOOL ret = TRUE; HRGN outline = 0, interior = 0; - if (!get_pen_device_rect( pdev, &rect, left, top, right, bottom )) return TRUE; + if (!get_pen_device_rect( dc, pdev, &rect, left, top, right, bottom )) return TRUE; width = rect.right - rect.left; height = rect.bottom - rect.top; @@ -331,7 +333,7 @@ static BOOL draw_arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom, pt[0].y = start_y; pt[1].x = end_x; pt[1].y = end_y; - LPtoDP( dev->hdc, pt, 2 ); + lp_to_dp( dc, pt, 2 ); /* make them relative to the ellipse center */ pt[0].x -= rect.left + width / 2; pt[0].y -= rect.top + height / 2; @@ -343,11 +345,11 @@ static BOOL draw_arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom, if (extra_lines == -1) { - GetCurrentPositionEx( dev->hdc, points ); - LPtoDP( dev->hdc, points, 1 ); - count = 1 + get_arc_points( dev, &rect, pt[0], pt[1], points + 1 ); + points[0] = dc->cur_pos; + lp_to_dp( dc, points, 1 ); + count = 1 + get_arc_points( dc->ArcDirection, &rect, pt[0], pt[1], points + 1 ); } - else count = get_arc_points( dev, &rect, pt[0], pt[1], points ); + else count = get_arc_points( dc->ArcDirection, &rect, pt[0], pt[1], points ); if (extra_lines == 2) { @@ -1199,6 +1201,7 @@ BOOL dibdrv_PaintRgn( PHYSDEV dev, HRGN rgn ) const WINEREGION *region; int i; RECT rect, bounds; + DC *dc = get_physdev_dc( dev ); TRACE("%p, %p\n", dev, rgn); @@ -1209,7 +1212,7 @@ BOOL dibdrv_PaintRgn( PHYSDEV dev, HRGN rgn ) for(i = 0; i < region->numRects; i++) { - rect = get_device_rect( dev->hdc, region->rects[i].left, region->rects[i].top, + rect = get_device_rect( dc, region->rects[i].left, region->rects[i].top, region->rects[i].right, region->rects[i].bottom, FALSE ); add_bounds_rect( &bounds, &rect ); brush_rect( pdev, &pdev->brush, &rect, pdev->clip ); @@ -1355,6 +1358,7 @@ BOOL dibdrv_Polyline( PHYSDEV dev, const POINT* pt, INT count ) BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) { dibdrv_physdev *pdev = get_dibdrv_pdev(dev); + DC *dc = get_physdev_dc( dev ); RECT rect; POINT pts[4]; BOOL ret; @@ -1362,7 +1366,7 @@ BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) TRACE("(%p, %d, %d, %d, %d)\n", dev, left, top, right, bottom); - if (GetGraphicsMode( dev->hdc ) == GM_ADVANCED) + if (dc->GraphicsMode == GM_ADVANCED) { pts[0].x = pts[3].x = left; pts[0].y = pts[1].y = top; @@ -1371,7 +1375,7 @@ BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) return dibdrv_Polygon( dev, pts, 4 ); } - if (!get_pen_device_rect( pdev, &rect, left, top, right, bottom )) return TRUE; + if (!get_pen_device_rect( dc, pdev, &rect, left, top, right, bottom )) return TRUE; if (pdev->pen_uses_region && !(outline = CreateRectRgn( 0, 0, 0, 0 ))) return FALSE; @@ -1379,7 +1383,7 @@ BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) rect.bottom--; reset_dash_origin(pdev); - if (GetArcDirection( dev->hdc ) == AD_CLOCKWISE) + if (dc->ArcDirection == AD_CLOCKWISE) { /* 4 pts going clockwise starting from bottom-right */ pts[0].x = pts[3].x = rect.right; @@ -1430,18 +1434,19 @@ BOOL dibdrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom, INT ellipse_width, INT ellipse_height ) { dibdrv_physdev *pdev = get_dibdrv_pdev( dev ); + DC *dc = get_physdev_dc( dev ); RECT rect; POINT pt[2], *points; int i, end, count; BOOL ret = TRUE; HRGN outline = 0, interior = 0; - if (!get_pen_device_rect( pdev, &rect, left, top, right, bottom )) return TRUE; + if (!get_pen_device_rect( dc, pdev, &rect, left, top, right, bottom )) return TRUE; pt[0].x = pt[0].y = 0; pt[1].x = ellipse_width; pt[1].y = ellipse_height; - LPtoDP( dev->hdc, pt, 2 ); + lp_to_dp( dc, pt, 2 ); ellipse_width = min( rect.right - rect.left, abs( pt[1].x - pt[0].x )); ellipse_height = min( rect.bottom - rect.top, abs( pt[1].y - pt[0].y )); if (ellipse_width <= 2|| ellipse_height <= 2) @@ -1475,7 +1480,7 @@ BOOL dibdrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom, count = ellipse_first_quadrant( ellipse_width, ellipse_height, points ); - if (GetArcDirection( dev->hdc ) == AD_CLOCKWISE) + if (dc->ArcDirection == AD_CLOCKWISE) { for (i = 0; i < count; i++) {
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Alexandre Julliard