gecko-dev/layout/svg/nsSVGFilterPaintCallback.h

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1.2 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __NS_SVGFILTERPAINTCALLBACK_H__
#define __NS_SVGFILTERPAINTCALLBACK_H__
class nsIFrame;
class gfxContext;
struct nsIntRect;
class nsSVGFilterPaintCallback {
public:
/**
* Paint the frame contents.
* SVG frames will have had matrix propagation set to false already.
* Non-SVG frames have to do their own thing.
* The caller will do a Save()/Restore() as necessary so feel free
* to mess with context state.
* The context will be configured to use the "user space" coordinate
* system.
* @param aDirtyRect the dirty rect *in user space pixels*
* @param aTransformRoot the outermost frame whose transform should be taken
* into account when painting an SVG glyph
*/
virtual void Paint(gfxContext& aContext, nsIFrame *aTarget,
const gfxMatrix& aTransform,
const nsIntRect *aDirtyRect) = 0;
};
#endif