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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/cairo/cairo_canvascustomsprite.hxx
parentInitial commit. (diff)
downloadlibreoffice-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>
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1 files changed, 145 insertions, 0 deletions
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+/* -*- 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 <cppuhelper/compbase.hxx>
+#include <comphelper/uno3.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+#include <com/sun/star/rendering/XCustomSprite.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+
+#include <basegfx/point/b2dpoint.hxx>
+
+#include <base/basemutexhelper.hxx>
+#include <base/canvascustomspritebase.hxx>
+
+#include <vcl/cairo.hxx>
+
+#include "cairo_sprite.hxx"
+#include "cairo_canvashelper.hxx"
+#include "cairo_repainttarget.hxx"
+#include "cairo_spritehelper.hxx"
+#include "cairo_spritecanvas.hxx"
+
+
+namespace cairocanvas
+{
+ typedef ::cppu::WeakComponentImplHelper< css::rendering::XCustomSprite,
+ css::rendering::XBitmapCanvas,
+ css::rendering::XIntegerBitmap,
+ css::lang::XServiceInfo > CanvasCustomSpriteBase_Base;
+ /** Mixin Sprite
+
+ Have to mixin the Sprite interface before deriving from
+ ::canvas::CanvasCustomSpriteBase, as this template should
+ already implement some of those interface methods.
+
+ The reason why this appears kinda convoluted is the fact that
+ we cannot specify non-IDL types as WeakComponentImplHelper
+ template args, and furthermore, don't want to derive
+ ::canvas::CanvasCustomSpriteBase directly from
+ ::canvas::Sprite (because derivees of
+ ::canvas::CanvasCustomSpriteBase have to explicitly forward
+ the XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS)
+ anyway). Basically, ::canvas::CanvasCustomSpriteBase should
+ remain a base class that provides implementation, not to
+ enforce any specific interface on its derivees.
+ */
+ class CanvasCustomSpriteSpriteBase_Base : public ::canvas::BaseMutexHelper< CanvasCustomSpriteBase_Base >,
+ public Sprite,
+ public SurfaceProvider
+ {
+ };
+
+ typedef ::canvas::CanvasCustomSpriteBase< CanvasCustomSpriteSpriteBase_Base,
+ SpriteHelper,
+ CanvasHelper,
+ ::osl::MutexGuard,
+ ::cppu::OWeakObject > CanvasCustomSpriteBaseT;
+
+ /* Definition of CanvasCustomSprite class */
+
+ class CanvasCustomSprite : public CanvasCustomSpriteBaseT,
+ public RepaintTarget
+ {
+ public:
+ /** Create a custom sprite
+
+ @param rSpriteSize
+ Size of the sprite in pixel
+
+ @param rRefDevice
+ Associated output device
+
+ @param rSpriteCanvas
+ Target canvas
+
+ @param rDevice
+ Target DX device
+ */
+ CanvasCustomSprite( const css::geometry::RealSize2D& rSpriteSize,
+ const SpriteCanvasRef& rRefDevice );
+
+ virtual void disposeThis() override;
+
+ // Forwarding the XComponent implementation to the
+ // cppu::ImplHelper templated base
+ // Classname Base doing refcount Base implementing the XComponent interface
+ // | | |
+ // V V V
+ DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasCustomSprite, CanvasCustomSpriteBase_Base, ::cppu::WeakComponentImplHelperBase )
+
+ // XServiceInfo
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+ virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+ // Sprite
+ virtual void redraw( const ::cairo::CairoSharedPtr& pCairo,
+ bool bBufferedUpdate ) const override;
+ virtual void redraw( const ::cairo::CairoSharedPtr& pCairo,
+ const ::basegfx::B2DPoint& rOrigOutputPos,
+ bool bBufferedUpdate ) const override;
+
+ // RepaintTarget
+ virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface,
+ const css::rendering::ViewState& viewState,
+ const css::rendering::RenderState& renderState ) override;
+
+ // SurfaceProvider
+ virtual ::cairo::SurfaceSharedPtr getSurface() override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent ) override;
+ virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) override;
+ virtual ::cairo::SurfaceSharedPtr changeSurface() override;
+ virtual OutputDevice* getOutputDevice() override;
+
+ private:
+ /** MUST hold here, too, since CanvasHelper only contains a
+ raw pointer (without refcounting)
+ */
+ SpriteCanvasRef mpSpriteCanvas;
+ ::cairo::SurfaceSharedPtr mpBufferSurface;
+ ::basegfx::B2ISize maSize;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */