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145 lines
6.0 KiB
C++
145 lines
6.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsCSSRendering_h___
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#define nsCSSRendering_h___
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#include "nsIRenderingContext.h"
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#include "nsIStyleContext.h"
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struct nsPoint;
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class nsCSSRendering {
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public:
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/**
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* Render the border for an element using css rendering rules
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* for borders. aSkipSides is a bitmask of the sides to skip
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* when rendering. If 0 then no sides are skipped.
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*
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* Both aDirtyRect and aBorderArea are in the local coordinate space
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* of aForFrame
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*/
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static void PaintBorder(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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nsIFrame* aForFrame,
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const nsRect& aDirtyRect,
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const nsRect& aBorderArea,
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const nsStyleSpacing& aBorderStyle,
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nsIStyleContext* aStyleContext,
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PRIntn aSkipSides,
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nsRect* aGap = 0);
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/**
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* Just like PaintBorder, but takes as input a list of border segments
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* rather than a single border style. Useful for any object that needs to
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* draw a border where an edge is not necessarily homogenous.
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* Render the border for an element using css rendering rules
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* for borders. aSkipSides is a bitmask of the sides to skip
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* when rendering. If 0 then no sides are skipped.
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*
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* Both aDirtyRect and aBorderArea are in the local coordinate space
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* of aForFrame
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*/
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static void PaintBorderEdges(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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nsIFrame* aForFrame,
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const nsRect& aDirtyRect,
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const nsRect& aBorderArea,
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nsBorderEdges * aBorderEdges,
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nsIStyleContext* aStyleContext,
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PRIntn aSkipSides,
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nsRect* aGap = 0);
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/**
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* Render the background for an element using css rendering rules
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* for backgrounds.
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*
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* Both aDirtyRect and aBorderArea are in the local coordinate space
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* of aForFrame
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*/
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static void PaintBackground(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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nsIFrame* aForFrame,
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const nsRect& aDirtyRect,
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const nsRect& aBorderArea,
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const nsStyleColor& aColor,
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const nsStyleSpacing& aStyle,
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nscoord aDX,
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nscoord aDY);
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static void DrawDashedSides(PRIntn startSide,
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nsIRenderingContext& aContext,
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const PRUint8 borderStyles[],
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const nscolor borderColors[],
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const nsRect& borderOutside,
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const nsRect& borderInside,
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PRIntn aSkipSides,
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nsRect* aGap);
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static void DrawDashedSides(PRIntn startSide,
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nsIRenderingContext& aContext,
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const nsStyleSpacing& aSpacing,
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const nsRect& borderOutside,
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const nsRect& borderInside,
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PRIntn aSkipSides,
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nsRect* aGap);
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/** draw the dashed segements of a segmented border */
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//XXX: boy is it annoying that we have 3 methods to draw dashed sides!
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// they clearly can be factored.
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static void DrawDashedSegments(nsIRenderingContext& aContext,
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const nsRect& aBounds,
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nsBorderEdges * aBorderEdges,
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PRIntn aSkipSides,
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nsRect* aGap);
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protected:
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static nscolor MakeBevelColor(PRIntn whichSide, PRUint8 style,
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nscolor aBackgroundColor,
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nscolor aBorderColor,
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PRBool aSpecialCase);
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static PRIntn MakeSide(nsPoint aPoints[],
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nsIRenderingContext& aContext,
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PRIntn whichSide,
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const nsRect& outside, const nsRect& inside,
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PRIntn borderPart, float borderFrac,
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nscoord twipsPerPixel);
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static void DrawSide(nsIRenderingContext& aContext,
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PRIntn whichSide,
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const PRUint8 borderStyle,
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const nscolor borderColor,
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const nscolor aBackgroundColor,
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const nsRect& borderOutside,
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const nsRect& borderInside,
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nscoord twipsPerPixel,
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nsRect* aGap = 0);
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static void DrawLine (nsIRenderingContext& aContext,
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nscoord aX1, nscoord aY1, nscoord aX2, nscoord aY2,
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nsRect* aGap);
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static void FillPolygon (nsIRenderingContext& aContext,
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const nsPoint aPoints[],
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PRInt32 aNumPoints,
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nsRect* aGap);
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};
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#endif /* nsCSSRendering_h___ */
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