From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- gfx/thebes/RoundedRect.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 gfx/thebes/RoundedRect.h (limited to 'gfx/thebes/RoundedRect.h') diff --git a/gfx/thebes/RoundedRect.h b/gfx/thebes/RoundedRect.h new file mode 100644 index 000000000..6da69275f --- /dev/null +++ b/gfx/thebes/RoundedRect.h @@ -0,0 +1,43 @@ +/* -*- 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/. */ + +#include "gfxRect.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(gfxRect &aRect, RectCornerRadii &aCorners) : rect(aRect), corners(aCorners) { } + void Deflate(gfxFloat aTopWidth, gfxFloat aBottomWidth, gfxFloat aLeftWidth, gfxFloat aRightWidth) { + // deflate the internal rect + rect.x += aLeftWidth; + rect.y += aTopWidth; + rect.width = std::max(0., rect.width - aLeftWidth - aRightWidth); + rect.height = std::max(0., rect.height - aTopWidth - aBottomWidth); + + corners.radii[NS_CORNER_TOP_LEFT].width = std::max(0., corners.radii[NS_CORNER_TOP_LEFT].width - aLeftWidth); + corners.radii[NS_CORNER_TOP_LEFT].height = std::max(0., corners.radii[NS_CORNER_TOP_LEFT].height - aTopWidth); + + corners.radii[NS_CORNER_TOP_RIGHT].width = std::max(0., corners.radii[NS_CORNER_TOP_RIGHT].width - aRightWidth); + corners.radii[NS_CORNER_TOP_RIGHT].height = std::max(0., corners.radii[NS_CORNER_TOP_RIGHT].height - aTopWidth); + + corners.radii[NS_CORNER_BOTTOM_LEFT].width = std::max(0., corners.radii[NS_CORNER_BOTTOM_LEFT].width - aLeftWidth); + corners.radii[NS_CORNER_BOTTOM_LEFT].height = std::max(0., corners.radii[NS_CORNER_BOTTOM_LEFT].height - aBottomWidth); + + corners.radii[NS_CORNER_BOTTOM_RIGHT].width = std::max(0., corners.radii[NS_CORNER_BOTTOM_RIGHT].width - aRightWidth); + corners.radii[NS_CORNER_BOTTOM_RIGHT].height = std::max(0., corners.radii[NS_CORNER_BOTTOM_RIGHT].height - aBottomWidth); + } + gfxRect rect; + RectCornerRadii corners; +}; + +} // namespace mozilla -- cgit v1.2.3