/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * 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/. */ #pragma once #include #include class ControlCacheKey; // Base class for some functionality that OpenGL/Skia/GDI backends must each implement. class WinSalGraphicsImplBase { public: virtual ~WinSalGraphicsImplBase() {} // If true is returned, the following functions are used for drawing controls. virtual bool UseRenderNativeControl() const { return false; } virtual bool TryRenderCachedNativeControl(const ControlCacheKey& /*rControlCacheKey*/, int /*nX*/, int /*nY*/) { abort(); } virtual bool RenderAndCacheNativeControl(CompatibleDC& /*rWhite*/, CompatibleDC& /*rBlack*/, int /*nX*/, int /*nY*/, ControlCacheKey& /*aControlCacheKey*/) { abort(); } virtual void ClearDevFontCache() {} virtual void Flush() {} // Implementation for WinSalGraphics::DrawTextLayout(). // Returns true if handled, if false, then WinSalGraphics will handle it itself. virtual bool DrawTextLayout(const GenericSalLayout&) { return false; } virtual void ClearNativeControlCache() {} }; /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ ffice-5-4 LibreOffice 核心代码仓库文档基金会
summaryrefslogtreecommitdiff