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Diffstat (limited to '')
-rw-r--r-- | canvas/source/cairo/cairo_canvascustomsprite.cxx | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_canvascustomsprite.cxx b/canvas/source/cairo/cairo_canvascustomsprite.cxx new file mode 100644 index 000000000..b88507178 --- /dev/null +++ b/canvas/source/cairo/cairo_canvascustomsprite.cxx @@ -0,0 +1,151 @@ +/* -*- 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 . + */ + +#include <sal/config.h> +#include <sal/log.hxx> + +#include <basegfx/point/b2dpoint.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <tools/diagnose_ex.h> + +#include <canvas/canvastools.hxx> +#include <cairo.h> + +#include "cairo_canvascustomsprite.hxx" +#include "cairo_spritecanvas.hxx" + + +using namespace ::cairo; +using namespace ::com::sun::star; + +namespace cairocanvas +{ + CanvasCustomSprite::CanvasCustomSprite( const css::geometry::RealSize2D& rSpriteSize, + const SpriteCanvasRef& rRefDevice ) : + mpSpriteCanvas( rRefDevice ), + maSize( ::canvas::tools::roundUp( rSpriteSize.Width ), + ::canvas::tools::roundUp( rSpriteSize.Height ) ) + { + ENSURE_OR_THROW( rRefDevice, + "CanvasCustomSprite::CanvasCustomSprite(): Invalid sprite canvas" ); + + SAL_INFO( "canvas.cairo", "sprite size: " << ::canvas::tools::roundUp( rSpriteSize.Width ) << ", " << ::canvas::tools::roundUp( rSpriteSize.Height )); + + mpBufferSurface = mpSpriteCanvas->createSurface( maSize, CAIRO_CONTENT_COLOR_ALPHA ); + + maCanvasHelper.init( maSize, + *rRefDevice, + rRefDevice.get() ); + maCanvasHelper.setSurface( mpBufferSurface, true ); + + maSpriteHelper.init( rSpriteSize, + rRefDevice ); + maSpriteHelper.setSurface( mpBufferSurface ); + + // clear sprite to 100% transparent + maCanvasHelper.clear(); + } + + void CanvasCustomSprite::disposeThis() + { + ::osl::MutexGuard aGuard( m_aMutex ); + + mpSpriteCanvas.clear(); + mpBufferSurface.reset(); + + // forward to parent + CanvasCustomSpriteBaseT::disposeThis(); + } + + void CanvasCustomSprite::redraw( const CairoSharedPtr& pCairo, + bool bBufferedUpdate ) const + { + ::osl::MutexGuard aGuard( m_aMutex ); + + redraw( pCairo, maSpriteHelper.getPosPixel(), bBufferedUpdate ); + } + + void CanvasCustomSprite::redraw( const CairoSharedPtr& pCairo, + const ::basegfx::B2DPoint& rOrigOutputPos, + bool bBufferedUpdate ) const + { + ::osl::MutexGuard aGuard( m_aMutex ); + + maSpriteHelper.redraw( pCairo, + rOrigOutputPos, + mbSurfaceDirty, + bBufferedUpdate ); + + mbSurfaceDirty = false; + } + + bool CanvasCustomSprite::repaint( const SurfaceSharedPtr& pSurface, + const rendering::ViewState& viewState, + const rendering::RenderState& renderState ) + { + return maCanvasHelper.repaint( pSurface, viewState, renderState ); + } + + SurfaceSharedPtr CanvasCustomSprite::getSurface() + { + return mpBufferSurface; + } + + SurfaceSharedPtr CanvasCustomSprite::createSurface( const ::basegfx::B2ISize& rSize, int aContent ) + { + return mpSpriteCanvas->createSurface(rSize,aContent); + } + + SurfaceSharedPtr CanvasCustomSprite::createSurface( ::Bitmap& rBitmap ) + { + return mpSpriteCanvas->createSurface(rBitmap); + } + + SurfaceSharedPtr CanvasCustomSprite::changeSurface() + { + SAL_INFO( "canvas.cairo", "replacing sprite background surface"); + + mpBufferSurface = mpSpriteCanvas->createSurface( maSize, CAIRO_CONTENT_COLOR ); + maSpriteHelper.setSurface( mpBufferSurface ); + + return mpBufferSurface; + } + + OutputDevice* CanvasCustomSprite::getOutputDevice() + { + return mpSpriteCanvas->getOutputDevice(); + } + + OUString SAL_CALL CanvasCustomSprite::getImplementationName() + { + return "CairoCanvas.CanvasCustomSprite"; + } + + sal_Bool SAL_CALL CanvasCustomSprite::supportsService( const OUString& ServiceName ) + { + return cppu::supportsService( this, ServiceName ); + } + + uno::Sequence< OUString > SAL_CALL CanvasCustomSprite::getSupportedServiceNames() + { + return { "com.sun.star.rendering.CanvasCustomSprite" }; + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |