mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-29 15:52:07 +00:00
099cfc4242
MozReview-Commit-ID: ZGySgc9oP3 --HG-- extra : rebase_source : 23aadc10e9885002290155684b2c495780d979ce
63 lines
2.5 KiB
C++
63 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* 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 ROUNDED_RECT_H
|
|
#define ROUNDED_RECT_H
|
|
|
|
#include "gfxRect.h"
|
|
#include "gfxTypes.h"
|
|
#include "mozilla/gfx/PathHelpers.h"
|
|
|
|
namespace mozilla {
|
|
/* A rounded rectangle abstraction.
|
|
*
|
|
* This can represent a rectangle with a different pair of radii on each corner.
|
|
*
|
|
* Note: CoreGraphics and Direct2D only support rounded rectangle with the same
|
|
* radii on all corners. However, supporting CSS's border-radius requires the extra flexibility. */
|
|
struct RoundedRect {
|
|
typedef mozilla::gfx::RectCornerRadii RectCornerRadii;
|
|
|
|
RoundedRect(const gfxRect& aRect, const RectCornerRadii& aCorners)
|
|
: rect(aRect)
|
|
, corners(aCorners)
|
|
{
|
|
}
|
|
|
|
void Deflate(gfxFloat aTopWidth, gfxFloat aBottomWidth, gfxFloat aLeftWidth, gfxFloat aRightWidth) {
|
|
// deflate the internal rect
|
|
rect.SetRect(rect.X() + aLeftWidth,
|
|
rect.Y() + aTopWidth,
|
|
std::max(0., rect.Width() - aLeftWidth - aRightWidth),
|
|
std::max(0., rect.Height() - aTopWidth - aBottomWidth));
|
|
|
|
corners.radii[mozilla::eCornerTopLeft].width =
|
|
std::max(0., corners.radii[mozilla::eCornerTopLeft].width - aLeftWidth);
|
|
corners.radii[mozilla::eCornerTopLeft].height =
|
|
std::max(0., corners.radii[mozilla::eCornerTopLeft].height - aTopWidth);
|
|
|
|
corners.radii[mozilla::eCornerTopRight].width =
|
|
std::max(0., corners.radii[mozilla::eCornerTopRight].width - aRightWidth);
|
|
corners.radii[mozilla::eCornerTopRight].height =
|
|
std::max(0., corners.radii[mozilla::eCornerTopRight].height - aTopWidth);
|
|
|
|
corners.radii[mozilla::eCornerBottomLeft].width =
|
|
std::max(0., corners.radii[mozilla::eCornerBottomLeft].width - aLeftWidth);
|
|
corners.radii[mozilla::eCornerBottomLeft].height =
|
|
std::max(0., corners.radii[mozilla::eCornerBottomLeft].height - aBottomWidth);
|
|
|
|
corners.radii[mozilla::eCornerBottomRight].width =
|
|
std::max(0., corners.radii[mozilla::eCornerBottomRight].width - aRightWidth);
|
|
corners.radii[mozilla::eCornerBottomRight].height =
|
|
std::max(0., corners.radii[mozilla::eCornerBottomRight].height - aBottomWidth);
|
|
}
|
|
gfxRect rect;
|
|
RectCornerRadii corners;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif
|