diff options
Diffstat (limited to 'canvas/source/directx/dx_surfacebitmap.cxx')
| -rw-r--r-- | canvas/source/directx/dx_surfacebitmap.cxx | 654 |
1 files changed, 654 insertions, 0 deletions
diff --git a/canvas/source/directx/dx_surfacebitmap.cxx b/canvas/source/directx/dx_surfacebitmap.cxx new file mode 100644 index 000000000..b6e4e1248 --- /dev/null +++ b/canvas/source/directx/dx_surfacebitmap.cxx @@ -0,0 +1,654 @@ +/* -*- 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 <memory> +#include <string.h> + +#include <com/sun/star/rendering/ColorComponentTag.hpp> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/range/b2irange.hxx> +#include <tools/diagnose_ex.h> +#include <rendering/icolorbuffer.hxx> + +#include "dx_graphicsprovider.hxx" +#include "dx_impltools.hxx" +#include "dx_surfacebitmap.hxx" +#include "dx_surfacegraphics.hxx" + +using namespace ::com::sun::star; + +namespace dxcanvas +{ + namespace + { + + // DXColorBuffer + + + struct DXColorBuffer : public canvas::IColorBuffer + { + public: + DXColorBuffer( const sal::systools::COMReference<surface_type>& rSurface, + const ::basegfx::B2IVector& rSize ) + : maSize(rSize) + , maLockedRect{} + , mpSurface(rSurface) + { + } + + // implementation of the 'IColorBuffer' interface + public: + + virtual sal_uInt8* lock() const override; + virtual void unlock() const override; + virtual sal_uInt32 getWidth() const override; + virtual sal_uInt32 getHeight() const override; + virtual sal_uInt32 getStride() const override; + virtual Format getFormat() const override; + + private: + + ::basegfx::B2IVector maSize; + mutable D3DLOCKED_RECT maLockedRect; + sal::systools::COMReference<surface_type> mpSurface; + }; + + sal_uInt8* DXColorBuffer::lock() const + { + if(SUCCEEDED(mpSurface->LockRect(&maLockedRect,nullptr,D3DLOCK_NOSYSLOCK|D3DLOCK_READONLY))) + return static_cast<sal_uInt8 *>(maLockedRect.pBits); + return nullptr; + } + + void DXColorBuffer::unlock() const + { + mpSurface->UnlockRect(); + } + + sal_uInt32 DXColorBuffer::getWidth() const + { + return maSize.getX(); + } + + sal_uInt32 DXColorBuffer::getHeight() const + { + return maSize.getY(); + } + + sal_uInt32 DXColorBuffer::getStride() const + { + return maLockedRect.Pitch; + } + + canvas::IColorBuffer::Format DXColorBuffer::getFormat() const + { + return canvas::IColorBuffer::Format::X8R8G8B8; + } + + + // GDIColorBuffer + + + struct GDIColorBuffer : public canvas::IColorBuffer + { + public: + + GDIColorBuffer( const BitmapSharedPtr& rSurface, + const ::basegfx::B2IVector& rSize ) + : maSize(rSize) + , aBmpData{} + , mpGDIPlusBitmap(rSurface) + { + } + + // implementation of the 'IColorBuffer' interface + public: + + virtual sal_uInt8* lock() const override; + virtual void unlock() const override; + virtual sal_uInt32 getWidth() const override; + virtual sal_uInt32 getHeight() const override; + virtual sal_uInt32 getStride() const override; + virtual Format getFormat() const override; + + private: + + ::basegfx::B2IVector maSize; + mutable Gdiplus::BitmapData aBmpData; + BitmapSharedPtr mpGDIPlusBitmap; + }; + + sal_uInt8* GDIColorBuffer::lock() const + { + aBmpData.Width = maSize.getX(); + aBmpData.Height = maSize.getY(); + aBmpData.Stride = 4*aBmpData.Width; + aBmpData.PixelFormat = PixelFormat32bppARGB; + aBmpData.Scan0 = nullptr; + const Gdiplus::Rect aRect( 0,0,aBmpData.Width,aBmpData.Height ); + if( Gdiplus::Ok != mpGDIPlusBitmap->LockBits( &aRect, + Gdiplus::ImageLockModeRead, + PixelFormat32bppARGB, + &aBmpData ) ) + { + return nullptr; + } + + return static_cast<sal_uInt8*>(aBmpData.Scan0); + } + + void GDIColorBuffer::unlock() const + { + mpGDIPlusBitmap->UnlockBits( &aBmpData ); + } + + sal_uInt32 GDIColorBuffer::getWidth() const + { + return maSize.getX(); + } + + sal_uInt32 GDIColorBuffer::getHeight() const + { + return maSize.getY(); + } + + sal_uInt32 GDIColorBuffer::getStride() const + { + return aBmpData.Stride; + } + + canvas::IColorBuffer::Format GDIColorBuffer::getFormat() const + { + return canvas::IColorBuffer::Format::A8R8G8B8; + } + } + + + // DXSurfaceBitmap::DXSurfaceBitmap + + + DXSurfaceBitmap::DXSurfaceBitmap( const ::basegfx::B2IVector& rSize, + const std::shared_ptr<canvas::ISurfaceProxyManager>& rMgr, + const IDXRenderModuleSharedPtr& rRenderModule, + bool bWithAlpha ) : + mpGdiPlusUser( GDIPlusUser::createInstance() ), + maSize(rSize), + mpRenderModule(rRenderModule), + mpSurfaceManager(rMgr), + mpSurfaceProxy(), + mpSurface(), + mpGDIPlusBitmap(), + mpGraphics(), + mpColorBuffer(), + mbIsSurfaceDirty(true), + mbAlpha(bWithAlpha) + { + init(); + } + + + // DXSurfaceBitmap::getSize + + + ::basegfx::B2IVector DXSurfaceBitmap::getSize() const + { + return maSize; + } + + + // DXSurfaceBitmap::init + + + void DXSurfaceBitmap::init() + { + // create container for pixel data + if(mbAlpha) + { + mpGDIPlusBitmap = std::make_shared<Gdiplus::Bitmap>( + maSize.getX(), + maSize.getY(), + PixelFormat32bppARGB + ); + mpGraphics = tools::createGraphicsFromBitmap(mpGDIPlusBitmap); + + // create the colorbuffer object, which is basically a simple + // wrapper around the directx surface. the colorbuffer is the + // interface which is used by the surfaceproxy to support any + // kind of underlying structure for the pixel data container. + mpColorBuffer = std::make_shared<GDIColorBuffer>(mpGDIPlusBitmap,maSize); + } + else + { + mpSurface = mpRenderModule->createSystemMemorySurface(maSize); + + // create the colorbuffer object, which is basically a simple + // wrapper around the directx surface. the colorbuffer is the + // interface which is used by the surfaceproxy to support any + // kind of underlying structure for the pixel data container. + mpColorBuffer = std::make_shared<DXColorBuffer>(mpSurface,maSize); + } + + // create a (possibly hardware accelerated) mirror surface. + mpSurfaceProxy = mpSurfaceManager->createSurfaceProxy(mpColorBuffer); + } + + + // DXSurfaceBitmap::resize + + + bool DXSurfaceBitmap::resize( const ::basegfx::B2IVector& rSize ) + { + if(maSize != rSize) + { + maSize = rSize; + init(); + } + + return true; + } + + + // DXSurfaceBitmap::clear + + + void DXSurfaceBitmap::clear() + { + GraphicsSharedPtr pGraphics(getGraphics()); + Gdiplus::Color transColor(255,0,0,0); + pGraphics->SetCompositingMode( Gdiplus::CompositingModeSourceCopy ); + pGraphics->Clear( transColor ); + } + + + // DXSurfaceBitmap::hasAlpha + + + bool DXSurfaceBitmap::hasAlpha() const + { + return mbAlpha; + } + + + // DXSurfaceBitmap::getGraphics + + + GraphicsSharedPtr DXSurfaceBitmap::getGraphics() + { + // since clients will most probably draw directly + // to the GDI+ bitmap, we need to mark it as dirty + // to ensure that the corresponding dxsurface will + // be updated. + mbIsSurfaceDirty = true; + + if(hasAlpha()) + return mpGraphics; + else + return createSurfaceGraphics(mpSurface); + } + + + // DXSurfaceBitmap::getBitmap + + + BitmapSharedPtr DXSurfaceBitmap::getBitmap() const + { + if(hasAlpha()) + return mpGDIPlusBitmap; + + BitmapSharedPtr pResult; + + D3DLOCKED_RECT aLockedRect; + if(SUCCEEDED(mpSurface->LockRect(&aLockedRect,nullptr,D3DLOCK_NOSYSLOCK|D3DLOCK_READONLY))) + { + // decide about the format we pass the gdi+, the directx surface is always + // 32bit, either with or without alpha component. + Gdiplus::PixelFormat nFormat = hasAlpha() ? PixelFormat32bppARGB : PixelFormat32bppRGB; + + // construct a gdi+ bitmap from the raw pixel data. + pResult = std::make_shared<Gdiplus::Bitmap>( maSize.getX(),maSize.getY(), + aLockedRect.Pitch, + nFormat, + static_cast<BYTE *>(aLockedRect.pBits) ); + + mpSurface->UnlockRect(); + } + + return pResult; + } + + + // DXSurfaceBitmap::draw + + + bool DXSurfaceBitmap::draw( double fAlpha, + const ::basegfx::B2DPoint& rPos, + const ::basegfx::B2DPolyPolygon& rClipPoly, + const ::basegfx::B2DHomMatrix& rTransform ) + { + if( mbIsSurfaceDirty ) + { + mpSurfaceProxy->setColorBufferDirty(); + mbIsSurfaceDirty = false; + } + + return mpSurfaceProxy->draw( fAlpha, rPos, rClipPoly, rTransform ); + } + + + // DXSurfaceBitmap::draw + + + bool DXSurfaceBitmap::draw( double fAlpha, + const ::basegfx::B2DPoint& rPos, + const ::basegfx::B2DRange& rArea, + const ::basegfx::B2DHomMatrix& rTransform ) + { + if( mbIsSurfaceDirty ) + { + mpSurfaceProxy->setColorBufferDirty(); + mbIsSurfaceDirty = false; + } + + return mpSurfaceProxy->draw( fAlpha, rPos, rArea, rTransform ); + } + + + // DXSurfaceBitmap::draw + + + bool DXSurfaceBitmap::draw( double fAlpha, + const ::basegfx::B2DPoint& rPos, + const ::basegfx::B2DHomMatrix& rTransform ) + { + if( mbIsSurfaceDirty ) + { + mpSurfaceProxy->setColorBufferDirty(); + mbIsSurfaceDirty = false; + } + + return mpSurfaceProxy->draw( fAlpha, rPos, rTransform ); + } + + + // DXSurfaceBitmap::draw + + + bool DXSurfaceBitmap::draw( const ::basegfx::B2IRange& rArea ) + { + if( mbIsSurfaceDirty ) + { + mpSurfaceProxy->setColorBufferDirty(); + mbIsSurfaceDirty = false; + } + + const double fAlpha(1.0); + const ::basegfx::B2DHomMatrix aTransform; + const ::basegfx::B2DRange aIEEEArea( rArea ); + return mpSurfaceProxy->draw(fAlpha, + ::basegfx::B2DPoint(), + aIEEEArea, + aTransform); + } + + + // DXSurfaceBitmap::getData + + + uno::Sequence< sal_Int8 > DXSurfaceBitmap::getData( rendering::IntegerBitmapLayout& rBitmapLayout, + const geometry::IntegerRectangle2D& rect ) + { + if(hasAlpha()) + { + uno::Sequence< sal_Int8 > aRes( (rect.X2-rect.X1)*(rect.Y2-rect.Y1)*4 ); // TODO(F1): Be format-agnostic here + + const Gdiplus::Rect aRect( tools::gdiPlusRectFromIntegerRectangle2D( rect ) ); + + Gdiplus::BitmapData aBmpData; + aBmpData.Width = rect.X2-rect.X1; + aBmpData.Height = rect.Y2-rect.Y1; + aBmpData.Stride = 4*aBmpData.Width; + aBmpData.PixelFormat = PixelFormat32bppARGB; + aBmpData.Scan0 = aRes.getArray(); + + // TODO(F1): Support more pixel formats natively + + // read data from bitmap + if( Gdiplus::Ok != mpGDIPlusBitmap->LockBits( &aRect, + Gdiplus::ImageLockModeRead | Gdiplus::ImageLockModeUserInputBuf, + PixelFormat32bppARGB, // TODO(F1): Adapt to + // Graphics native + // format/change + // getMemoryLayout + &aBmpData ) ) + { + // failed to lock, bail out + return uno::Sequence< sal_Int8 >(); + } + + mpGDIPlusBitmap->UnlockBits( &aBmpData ); + + return aRes; + } + else + { + sal_uInt32 nWidth = rect.X2-rect.X1; + sal_uInt32 nHeight = rect.Y2-rect.Y1; + + uno::Sequence< sal_Int8 > aRes(nWidth*nHeight*4); + + D3DLOCKED_RECT aLockedRect; + if(FAILED(mpSurface->LockRect(&aLockedRect,nullptr,D3DLOCK_NOSYSLOCK|D3DLOCK_READONLY))) + return uno::Sequence< sal_Int8 >(); + D3DSURFACE_DESC aDesc; + if(FAILED(mpSurface->GetDesc(&aDesc))) + return uno::Sequence< sal_Int8 >(); + + assert(aDesc.Format == D3DFMT_A8R8G8B8 || aDesc.Format == D3DFMT_X8R8G8B8); + + sal_uInt8 *pSrc = (static_cast<BYTE *>(aLockedRect.pBits)+(rect.Y1*aLockedRect.Pitch))+rect.X1; + sal_uInt8 *pDst = reinterpret_cast<sal_uInt8 *>(aRes.getArray()); + sal_uInt32 nSegmentSizeInBytes = nWidth*4; + for(sal_uInt32 y=0; y<nHeight; ++y) + { + memcpy(pDst,pSrc,nSegmentSizeInBytes); + pDst += nSegmentSizeInBytes; + pSrc += aLockedRect.Pitch; + } + + if(rBitmapLayout.ColorSpace->getComponentTags().getArray()[0] == rendering::ColorComponentTag::RGB_RED && + rBitmapLayout.ColorSpace->getComponentTags().getArray()[2] == rendering::ColorComponentTag::RGB_BLUE) + { + pDst = reinterpret_cast<sal_uInt8 *>(aRes.getArray()); + for(sal_uInt32 y=0; y<nHeight; ++y) + { + sal_uInt8* pPixel = pDst; + for(sal_uInt32 n = 0; n<nWidth; n++) + { + sal_uInt8 nB = pPixel[0]; + pPixel[0] = pPixel[2]; + pPixel[2] = nB; + pPixel += 4; + } + pDst += nSegmentSizeInBytes; + } + } + + mpSurface->UnlockRect(); + return aRes; + } + } + + + // DXSurfaceBitmap::setData + + + void DXSurfaceBitmap::setData( const uno::Sequence< sal_Int8 >& data, + const rendering::IntegerBitmapLayout& /*bitmapLayout*/, + const geometry::IntegerRectangle2D& rect ) + { + if(hasAlpha()) + { + const Gdiplus::Rect aRect( tools::gdiPlusRectFromIntegerRectangle2D( rect ) ); + + Gdiplus::BitmapData aBmpData; + aBmpData.Width = rect.X2-rect.X1; + aBmpData.Height = rect.Y2-rect.Y1; + aBmpData.Stride = 4*aBmpData.Width; + aBmpData.PixelFormat = PixelFormat32bppARGB; + aBmpData.Scan0 = const_cast<sal_Int8 *>(data.getConstArray()); + + // TODO(F1): Support more pixel formats natively + + if( Gdiplus::Ok != mpGDIPlusBitmap->LockBits( &aRect, + Gdiplus::ImageLockModeWrite | Gdiplus::ImageLockModeUserInputBuf, + PixelFormat32bppARGB, // TODO: Adapt to + // Graphics native + // format/change + // getMemoryLayout + &aBmpData ) ) + { + throw uno::RuntimeException("GDIPlus method call was unsuccessful, problem with locking bitmap aRect object"); + } + + // commit data to bitmap + mpGDIPlusBitmap->UnlockBits( &aBmpData ); + } + else + { + sal_uInt32 nWidth = rect.X2-rect.X1; + sal_uInt32 nHeight = rect.Y2-rect.Y1; + + // lock the directx surface to receive the pointer to the surface memory. + D3DLOCKED_RECT aLockedRect; + if(FAILED(mpSurface->LockRect(&aLockedRect,nullptr,D3DLOCK_NOSYSLOCK|D3DLOCK_READONLY))) + throw uno::RuntimeException("failed to lock directx surface to surface memory"); + + sal_uInt8 const *pSrc = reinterpret_cast<sal_uInt8 const *>(data.getConstArray()); + sal_uInt8 *pDst = (static_cast<BYTE *>(aLockedRect.pBits)+(rect.Y1*aLockedRect.Pitch))+rect.X1; + sal_uInt32 nSegmentSizeInBytes = nWidth<<4; + for(sal_uInt32 y=0; y<nHeight; ++y) + { + memcpy(pDst,pSrc,nSegmentSizeInBytes); + pSrc += nSegmentSizeInBytes; + pDst += aLockedRect.Pitch; + } + + mpSurface->UnlockRect(); + } + + mbIsSurfaceDirty = true; + } + + + // DXSurfaceBitmap::setPixel + + + void DXSurfaceBitmap::setPixel( const uno::Sequence< sal_Int8 >& color, + const rendering::IntegerBitmapLayout& /*bitmapLayout*/, + const geometry::IntegerPoint2D& pos ) + { + if(hasAlpha()) + { + const geometry::IntegerSize2D aSize( maSize.getX(),maSize.getY() ); + + ENSURE_ARG_OR_THROW( pos.X >= 0 && pos.X < aSize.Width, + "CanvasHelper::setPixel: X coordinate out of bounds" ); + ENSURE_ARG_OR_THROW( pos.Y >= 0 && pos.Y < aSize.Height, + "CanvasHelper::setPixel: Y coordinate out of bounds" ); + ENSURE_ARG_OR_THROW( color.getLength() > 3, + "CanvasHelper::setPixel: not enough color components" ); + + if( Gdiplus::Ok != mpGDIPlusBitmap->SetPixel( pos.X, pos.Y, + Gdiplus::Color( tools::sequenceToArgb( color )))) + { + throw uno::RuntimeException("Problem with setting the color of bitmap object"); + } + } + else + { + ENSURE_ARG_OR_THROW( pos.X >= 0 && pos.X < maSize.getX(), + "CanvasHelper::setPixel: X coordinate out of bounds" ); + ENSURE_ARG_OR_THROW( pos.Y >= 0 && pos.Y < maSize.getY(), + "CanvasHelper::setPixel: Y coordinate out of bounds" ); + ENSURE_ARG_OR_THROW( color.getLength() > 3, + "CanvasHelper::setPixel: not enough color components" ); + + Gdiplus::Color aColor(tools::sequenceToArgb(color)); + + // lock the directx surface to receive the pointer to the surface memory. + D3DLOCKED_RECT aLockedRect; + if(FAILED(mpSurface->LockRect(&aLockedRect,nullptr,D3DLOCK_NOSYSLOCK|D3DLOCK_READONLY))) + throw uno::RuntimeException("cannot lock the directx surface to surface memory"); + + sal_uInt32 *pDst = reinterpret_cast<sal_uInt32 *>((static_cast<BYTE *>(aLockedRect.pBits)+(pos.Y*aLockedRect.Pitch))+pos.X); + *pDst = aColor.GetValue(); + mpSurface->UnlockRect(); + } + + mbIsSurfaceDirty = true; + } + + + // DXSurfaceBitmap::getPixel + + + uno::Sequence< sal_Int8 > DXSurfaceBitmap::getPixel( rendering::IntegerBitmapLayout& /*bitmapLayout*/, + const geometry::IntegerPoint2D& pos ) + { + if(hasAlpha()) + { + const geometry::IntegerSize2D aSize( maSize.getX(),maSize.getY() ); + + ENSURE_ARG_OR_THROW( pos.X >= 0 && pos.X < aSize.Width, + "CanvasHelper::getPixel: X coordinate out of bounds" ); + ENSURE_ARG_OR_THROW( pos.Y >= 0 && pos.Y < aSize.Height, + "CanvasHelper::getPixel: Y coordinate out of bounds" ); + + Gdiplus::Color aColor; + + if( Gdiplus::Ok != mpGDIPlusBitmap->GetPixel( pos.X, pos.Y, &aColor ) ) + return uno::Sequence< sal_Int8 >(); + + return tools::argbToIntSequence(aColor.GetValue()); + } + else + { + ENSURE_ARG_OR_THROW( pos.X >= 0 && pos.X < maSize.getX(), + "CanvasHelper::getPixel: X coordinate out of bounds" ); + ENSURE_ARG_OR_THROW( pos.Y >= 0 && pos.Y < maSize.getY(), + "CanvasHelper::getPixel: Y coordinate out of bounds" ); + + // lock the directx surface to receive the pointer to the surface memory. + D3DLOCKED_RECT aLockedRect; + if(FAILED(mpSurface->LockRect(&aLockedRect,nullptr,D3DLOCK_NOSYSLOCK|D3DLOCK_READONLY))) + throw uno::RuntimeException("failed to lock directX surface to surface memory"); + + sal_uInt32 *pDst = reinterpret_cast<sal_uInt32 *>((static_cast<BYTE *>(aLockedRect.pBits)+(pos.Y*aLockedRect.Pitch))+pos.X); + Gdiplus::Color aColor(*pDst); + mpSurface->UnlockRect(); + + return tools::argbToIntSequence(aColor.GetValue()); + } + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |