gecko-dev/layout/svg/DisplaySVGItem.h

43 строки
1.5 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 LAYOUT_SVG_DISPLAYSVGITEM_H_
#define LAYOUT_SVG_DISPLAYSVGITEM_H_
#include "nsDisplayList.h"
namespace mozilla {
//----------------------------------------------------------------------
// Display list item:
class DisplaySVGItem : public nsPaintedDisplayItem {
public:
DisplaySVGItem(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame)
: nsPaintedDisplayItem(aBuilder, aFrame) {
MOZ_ASSERT(aFrame, "Must have a frame!");
}
/**
* Hit testing for display lists.
* @param aRect the point or rect being tested, relative to aFrame.
* If the width and height are both 1 app unit, it indicates we're
* hit testing a point, not a rect.
* @param aOutFrames each item appends the frame(s) in this display item that
* the rect is considered over (if any) to aOutFrames.
*/
void HitTest(nsDisplayListBuilder* aBuilder, const nsRect& aRect,
HitTestState* aState, nsTArray<nsIFrame*>* aOutFrames) override;
/**
* Paint the frame to some rendering context.
*/
void Paint(nsDisplayListBuilder* aBuilder, gfxContext* aCtx) override;
};
} // namespace mozilla
#endif // LAYOUT_SVG_DISPLAYSVGITEM_H_