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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/cairo/cairo_devicehelper.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | canvas/source/cairo/cairo_devicehelper.hxx | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_devicehelper.hxx b/canvas/source/cairo/cairo_devicehelper.hxx new file mode 100644 index 000000000..eede77844 --- /dev/null +++ b/canvas/source/cairo/cairo_devicehelper.hxx @@ -0,0 +1,122 @@ +/* -*- 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include <com/sun/star/rendering/XGraphicDevice.hpp> + +#include <vcl/outdev.hxx> + +#include "cairo_surfaceprovider.hxx" + +/* Definition of DeviceHelper class */ + +namespace cairocanvas +{ + class DeviceHelper + { + public: + /// make noncopyable + DeviceHelper(const DeviceHelper&) = delete; + const DeviceHelper& operator=(const DeviceHelper&) = delete; + + DeviceHelper(); + + /** init helper + + @param rCanvas + Owning canvas. + + @param rRefDevice + Reference output device. Needed for resolution + calculations etc. + */ + void init( SurfaceProvider& rSurfaceProvider, + OutputDevice& rRefDevice ); + + /// Dispose all internal references + void disposing(); + + // XWindowGraphicDevice + css::geometry::RealSize2D getPhysicalResolution(); + css::geometry::RealSize2D getPhysicalSize(); + css::uno::Reference< css::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon( + const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice, + const css::uno::Sequence< css::uno::Sequence< css::geometry::RealPoint2D > >& points ); + css::uno::Reference< css::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon( + const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice, + const css::uno::Sequence< css::uno::Sequence< css::geometry::RealBezierSegment2D > >& points ); + css::uno::Reference< css::rendering::XBitmap > createCompatibleBitmap( + const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice, + const css::geometry::IntegerSize2D& size ); + css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileBitmap( + const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice, + const css::geometry::IntegerSize2D& size ); + css::uno::Reference< css::rendering::XBitmap > createCompatibleAlphaBitmap( + const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice, + const css::geometry::IntegerSize2D& size ); + css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileAlphaBitmap( + const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice, + const css::geometry::IntegerSize2D& size ); + + css::uno::Any isAccelerated() const; + css::uno::Any getDeviceHandle() const; + css::uno::Any getSurfaceHandle() const; + css::uno::Reference< + css::rendering::XColorSpace > const & getColorSpace() const; + + /** called when DumpScreenContent property is enabled on + XGraphicDevice, and writes out bitmaps of current screen. + */ + void dumpScreenContent() const; + + OutputDevice* getOutputDevice() const { return mpRefDevice; } + const ::cairo::SurfaceSharedPtr& getSurface() const { return mpSurface; } + ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent ); + ::cairo::SurfaceSharedPtr createSurface( BitmapSystemData const & rData, const Size& rSize ); + + protected: + /** init helper + + @param rCanvas + Owning canvas. + + @param rRefDevice + Reference output device. Needed for resolution + calculations etc. + */ + void implInit( SurfaceProvider& rSurfaceProvider, + OutputDevice& rRefDevice ); + void setSize( const ::basegfx::B2ISize& rSize ); + + private: + /** Surface provider + + Deliberately not a refcounted reference, because of + potential circular references for canvas. Provides us with + our output surface and associated functionality. + */ + SurfaceProvider* mpSurfaceProvider; + + VclPtr<OutputDevice> mpRefDevice; + ::cairo::SurfaceSharedPtr mpSurface; + }; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |