| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_canvas.hxx" |
| |
| #include <canvas/debug.hxx> |
| #include <tools/diagnose_ex.h> |
| #include "canvasbitmap.hxx" |
| |
| #include <vcl/bmpacc.hxx> |
| |
| using namespace ::com::sun::star; |
| |
| |
| namespace vclcanvas |
| { |
| // Currently, the only way to generate an XBitmap is from |
| // XGraphicDevice.getCompatibleBitmap(). Therefore, we don't even |
| // take a bitmap here, but a VDev directly. |
| CanvasBitmap::CanvasBitmap( const ::Size& rSize, |
| bool bAlphaBitmap, |
| rendering::XGraphicDevice& rDevice, |
| const OutDevProviderSharedPtr& rOutDevProvider ) |
| { |
| // create bitmap for given reference device |
| // ======================================== |
| const sal_uInt16 nBitCount( (sal_uInt16)24U ); |
| const BitmapPalette* pPalette = NULL; |
| |
| Bitmap aBitmap( rSize, nBitCount, pPalette ); |
| |
| // only create alpha channel bitmap, if factory requested |
| // that. Providing alpha-channeled bitmaps by default has, |
| // especially under VCL, a huge performance penalty (have to |
| // use alpha VDev, then). |
| if( bAlphaBitmap ) |
| { |
| AlphaMask aAlpha ( rSize ); |
| |
| maCanvasHelper.init( BitmapEx( aBitmap, aAlpha ), |
| rDevice, |
| rOutDevProvider ); |
| } |
| else |
| { |
| maCanvasHelper.init( BitmapEx( aBitmap ), |
| rDevice, |
| rOutDevProvider ); |
| } |
| } |
| |
| CanvasBitmap::CanvasBitmap( const BitmapEx& rBitmap, |
| rendering::XGraphicDevice& rDevice, |
| const OutDevProviderSharedPtr& rOutDevProvider ) |
| { |
| maCanvasHelper.init( rBitmap, rDevice, rOutDevProvider ); |
| } |
| |
| void SAL_CALL CanvasBitmap::disposing() |
| { |
| // forward to base |
| CanvasBitmap_Base::disposing(); |
| } |
| |
| #define IMPLEMENTATION_NAME "VCLCanvas.CanvasBitmap" |
| #define SERVICE_NAME "com.sun.star.rendering.CanvasBitmap" |
| |
| ::rtl::OUString SAL_CALL CanvasBitmap::getImplementationName( ) throw (uno::RuntimeException) |
| { |
| return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); |
| } |
| |
| sal_Bool SAL_CALL CanvasBitmap::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException) |
| { |
| return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); |
| } |
| |
| uno::Sequence< ::rtl::OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames( ) throw (uno::RuntimeException) |
| { |
| uno::Sequence< ::rtl::OUString > aRet(1); |
| aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); |
| |
| return aRet; |
| } |
| |
| BitmapEx CanvasBitmap::getBitmap() const |
| { |
| tools::LocalGuard aGuard; |
| |
| // TODO(T3): Rework to use shared_ptr all over the place for |
| // BmpEx. This is highly un-threadsafe |
| return maCanvasHelper.getBitmap(); |
| } |
| |
| bool CanvasBitmap::repaint( const GraphicObjectSharedPtr& rGrf, |
| const rendering::ViewState& viewState, |
| const rendering::RenderState& renderState, |
| const ::Point& rPt, |
| const ::Size& rSz, |
| const GraphicAttr& rAttr ) const |
| { |
| tools::LocalGuard aGuard; |
| |
| mbSurfaceDirty = true; |
| |
| return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr ); |
| } |
| |
| uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle ) throw (uno::RuntimeException) |
| { |
| if( nHandle == 0 ) { |
| BitmapEx* pBitmapEx = new BitmapEx( getBitmap() ); |
| |
| return uno::Any( reinterpret_cast<sal_Int64>( pBitmapEx ) ); |
| } |
| |
| return uno::Any( sal_Int64(0) ); |
| } |
| } |