From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- layout/painting/BorderCache.h | 67 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 layout/painting/BorderCache.h (limited to 'layout/painting/BorderCache.h') diff --git a/layout/painting/BorderCache.h b/layout/painting/BorderCache.h new file mode 100644 index 0000000000..bb6bf7e4ed --- /dev/null +++ b/layout/painting/BorderCache.h @@ -0,0 +1,67 @@ +/* -*- 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 mozilla_BorderCache_h_ +#define mozilla_BorderCache_h_ + +#include "mozilla/gfx/2D.h" +#include "mozilla/HashFunctions.h" +#include "PLDHashTable.h" + +namespace mozilla { +// Cache for best overlap and best dashLength. + +struct FourFloats { + typedef mozilla::gfx::Float Float; + + Float n[4]; + + FourFloats() { + n[0] = 0.0f; + n[1] = 0.0f; + n[2] = 0.0f; + n[3] = 0.0f; + } + + FourFloats(Float a, Float b, Float c, Float d) { + n[0] = a; + n[1] = b; + n[2] = c; + n[3] = d; + } + + bool operator==(const FourFloats& aOther) const { + return n[0] == aOther.n[0] && n[1] == aOther.n[1] && n[2] == aOther.n[2] && + n[3] == aOther.n[3]; + } +}; + +class FourFloatsHashKey : public PLDHashEntryHdr { + public: + typedef const FourFloats& KeyType; + typedef const FourFloats* KeyTypePointer; + + explicit FourFloatsHashKey(KeyTypePointer aKey) : mValue(*aKey) {} + FourFloatsHashKey(const FourFloatsHashKey& aToCopy) + : mValue(aToCopy.mValue) {} + ~FourFloatsHashKey() = default; + + KeyType GetKey() const { return mValue; } + bool KeyEquals(KeyTypePointer aKey) const { return *aKey == mValue; } + + static KeyTypePointer KeyToPointer(KeyType aKey) { return &aKey; } + static PLDHashNumber HashKey(KeyTypePointer aKey) { + return HashBytes(aKey->n, sizeof(mozilla::gfx::Float) * 4); + } + enum { ALLOW_MEMMOVE = true }; + + private: + const FourFloats mValue; +}; + +} // namespace mozilla + +#endif /* mozilla_BorderCache_h_ */ -- cgit v1.2.3