1*25ea7f45SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*25ea7f45SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*25ea7f45SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*25ea7f45SAndrew Rist * distributed with this work for additional information 6*25ea7f45SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*25ea7f45SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*25ea7f45SAndrew Rist * "License"); you may not use this file except in compliance 9*25ea7f45SAndrew Rist * with the License. You may obtain a copy of the License at 10*25ea7f45SAndrew Rist * 11*25ea7f45SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*25ea7f45SAndrew Rist * 13*25ea7f45SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*25ea7f45SAndrew Rist * software distributed under the License is distributed on an 15*25ea7f45SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*25ea7f45SAndrew Rist * KIND, either express or implied. See the License for the 17*25ea7f45SAndrew Rist * specific language governing permissions and limitations 18*25ea7f45SAndrew Rist * under the License. 19*25ea7f45SAndrew Rist * 20*25ea7f45SAndrew Rist *************************************************************/ 21*25ea7f45SAndrew Rist 22*25ea7f45SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_canvas.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <ctype.h> // don't ask. msdev breaks otherwise... 28cdf0e10cSrcweir #include <canvas/debug.hxx> 29cdf0e10cSrcweir #include <canvas/canvastools.hxx> 30cdf0e10cSrcweir #include <tools/diagnose_ex.h> 31cdf0e10cSrcweir 32cdf0e10cSrcweir #include <vcl/bitmapex.hxx> 33cdf0e10cSrcweir 34cdf0e10cSrcweir #include <boost/preprocessor/repetition.hpp> 35cdf0e10cSrcweir #include <boost/preprocessor/iteration/local.hpp> 36cdf0e10cSrcweir #include <boost/scoped_array.hpp> 37cdf0e10cSrcweir 38cdf0e10cSrcweir #include "dx_canvasbitmap.hxx" 39cdf0e10cSrcweir #include "dx_impltools.hxx" 40cdf0e10cSrcweir 41cdf0e10cSrcweir 42cdf0e10cSrcweir using namespace ::com::sun::star; 43cdf0e10cSrcweir 44cdf0e10cSrcweir namespace dxcanvas 45cdf0e10cSrcweir { 46cdf0e10cSrcweir CanvasBitmap::CanvasBitmap( const IBitmapSharedPtr& rBitmap, 47cdf0e10cSrcweir const DeviceRef& rDevice ) : 48cdf0e10cSrcweir mpDevice( rDevice ), 49cdf0e10cSrcweir mpBitmap( rBitmap ) 50cdf0e10cSrcweir { 51cdf0e10cSrcweir ENSURE_OR_THROW( mpDevice.is() && mpBitmap, 52cdf0e10cSrcweir "CanvasBitmap::CanvasBitmap(): Invalid surface or device" ); 53cdf0e10cSrcweir 54cdf0e10cSrcweir maCanvasHelper.setDevice( *mpDevice.get() ); 55cdf0e10cSrcweir maCanvasHelper.setTarget( mpBitmap ); 56cdf0e10cSrcweir } 57cdf0e10cSrcweir 58cdf0e10cSrcweir void SAL_CALL CanvasBitmap::disposing() 59cdf0e10cSrcweir { 60cdf0e10cSrcweir mpBitmap.reset(); 61cdf0e10cSrcweir mpDevice.clear(); 62cdf0e10cSrcweir 63cdf0e10cSrcweir // forward to parent 64cdf0e10cSrcweir CanvasBitmap_Base::disposing(); 65cdf0e10cSrcweir } 66cdf0e10cSrcweir 67cdf0e10cSrcweir struct AlphaDIB 68cdf0e10cSrcweir { 69cdf0e10cSrcweir BITMAPINFOHEADER bmiHeader; 70cdf0e10cSrcweir RGBQUAD bmiColors[256]; 71cdf0e10cSrcweir }; 72cdf0e10cSrcweir 73cdf0e10cSrcweir uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle ) throw (uno::RuntimeException) 74cdf0e10cSrcweir { 75cdf0e10cSrcweir uno::Any aRes; 76cdf0e10cSrcweir // 0 ... get BitmapEx 77cdf0e10cSrcweir // 1 ... get Pixbuf with bitmap RGB content 78cdf0e10cSrcweir // 2 ... get Pixbuf with bitmap alpha mask 79cdf0e10cSrcweir switch( nHandle ) 80cdf0e10cSrcweir { 81cdf0e10cSrcweir // sorry, no BitmapEx here... 82cdf0e10cSrcweir case 0: 83cdf0e10cSrcweir aRes = ::com::sun::star::uno::Any( reinterpret_cast<sal_Int64>( (BitmapEx*) NULL ) ); 84cdf0e10cSrcweir break; 85cdf0e10cSrcweir 86cdf0e10cSrcweir case 1: 87cdf0e10cSrcweir { 88cdf0e10cSrcweir if(!mpBitmap->hasAlpha()) 89cdf0e10cSrcweir { 90cdf0e10cSrcweir HBITMAP aHBmp; 91cdf0e10cSrcweir mpBitmap->getBitmap()->GetHBITMAP(Gdiplus::Color(), &aHBmp ); 92cdf0e10cSrcweir 93cdf0e10cSrcweir uno::Sequence< uno::Any > args(1); 94cdf0e10cSrcweir args[0] = uno::Any( sal_Int64(aHBmp) ); 95cdf0e10cSrcweir 96cdf0e10cSrcweir aRes <<= args; 97cdf0e10cSrcweir } 98cdf0e10cSrcweir else 99cdf0e10cSrcweir { 100cdf0e10cSrcweir // need to copy&convert the bitmap, since dx 101cdf0e10cSrcweir // canvas uses inline alpha channel 102cdf0e10cSrcweir HDC hScreenDC=GetDC(NULL); 103cdf0e10cSrcweir const basegfx::B2IVector aSize(mpBitmap->getSize()); 104cdf0e10cSrcweir HBITMAP hBmpBitmap = CreateCompatibleBitmap( hScreenDC, 105cdf0e10cSrcweir aSize.getX(), 106cdf0e10cSrcweir aSize.getY() ); 107cdf0e10cSrcweir if( !hBmpBitmap ) 108cdf0e10cSrcweir return aRes; 109cdf0e10cSrcweir 110cdf0e10cSrcweir BITMAPINFOHEADER aBIH; 111cdf0e10cSrcweir 112cdf0e10cSrcweir aBIH.biSize = sizeof( BITMAPINFOHEADER ); 113cdf0e10cSrcweir aBIH.biWidth = aSize.getX(); 114cdf0e10cSrcweir aBIH.biHeight = -aSize.getY(); 115cdf0e10cSrcweir aBIH.biPlanes = 1; 116cdf0e10cSrcweir aBIH.biBitCount = 32; 117cdf0e10cSrcweir aBIH.biCompression = BI_RGB; // expects pixel in 118cdf0e10cSrcweir // bbggrrxx format 119cdf0e10cSrcweir // (little endian) 120cdf0e10cSrcweir aBIH.biSizeImage = 0; 121cdf0e10cSrcweir aBIH.biXPelsPerMeter = 0; 122cdf0e10cSrcweir aBIH.biYPelsPerMeter = 0; 123cdf0e10cSrcweir aBIH.biClrUsed = 0; 124cdf0e10cSrcweir aBIH.biClrImportant = 0; 125cdf0e10cSrcweir 126cdf0e10cSrcweir Gdiplus::BitmapData aBmpData; 127cdf0e10cSrcweir aBmpData.Width = aSize.getX(); 128cdf0e10cSrcweir aBmpData.Height = aSize.getY(); 129cdf0e10cSrcweir aBmpData.Stride = 4*aBmpData.Width; 130cdf0e10cSrcweir aBmpData.PixelFormat = PixelFormat32bppARGB; 131cdf0e10cSrcweir aBmpData.Scan0 = NULL; 132cdf0e10cSrcweir const Gdiplus::Rect aRect( 0,0,aSize.getX(),aSize.getY() ); 133cdf0e10cSrcweir BitmapSharedPtr pGDIPlusBitmap=mpBitmap->getBitmap(); 134cdf0e10cSrcweir if( Gdiplus::Ok != pGDIPlusBitmap->LockBits( &aRect, 135cdf0e10cSrcweir Gdiplus::ImageLockModeRead, 136cdf0e10cSrcweir PixelFormat32bppARGB, // outputs ARGB (big endian) 137cdf0e10cSrcweir &aBmpData ) ) 138cdf0e10cSrcweir { 139cdf0e10cSrcweir // failed to lock, bail out 140cdf0e10cSrcweir return aRes; 141cdf0e10cSrcweir } 142cdf0e10cSrcweir 143cdf0e10cSrcweir // now aBmpData.Scan0 contains our bits - push 144cdf0e10cSrcweir // them into HBITMAP, ignoring alpha 145cdf0e10cSrcweir SetDIBits( hScreenDC, hBmpBitmap, 0, aSize.getY(), aBmpData.Scan0, (PBITMAPINFO)&aBIH, DIB_RGB_COLORS ); 146cdf0e10cSrcweir 147cdf0e10cSrcweir pGDIPlusBitmap->UnlockBits( &aBmpData ); 148cdf0e10cSrcweir 149cdf0e10cSrcweir uno::Sequence< uno::Any > args(1); 150cdf0e10cSrcweir args[0] = uno::Any( sal_Int64(hBmpBitmap) ); 151cdf0e10cSrcweir 152cdf0e10cSrcweir aRes <<= args; 153cdf0e10cSrcweir } 154cdf0e10cSrcweir } 155cdf0e10cSrcweir break; 156cdf0e10cSrcweir 157cdf0e10cSrcweir case 2: 158cdf0e10cSrcweir { 159cdf0e10cSrcweir if(!mpBitmap->hasAlpha()) 160cdf0e10cSrcweir { 161cdf0e10cSrcweir return aRes; 162cdf0e10cSrcweir } 163cdf0e10cSrcweir else 164cdf0e10cSrcweir { 165cdf0e10cSrcweir static AlphaDIB aDIB= 166cdf0e10cSrcweir { 167cdf0e10cSrcweir {0,0,0,1,8,BI_RGB,0,0,0,0,0}, 168cdf0e10cSrcweir { 169cdf0e10cSrcweir // this here fills palette with grey 170cdf0e10cSrcweir // level colors, starting from 0,0,0 171cdf0e10cSrcweir // up to 255,255,255 172cdf0e10cSrcweir #define BOOST_PP_LOCAL_MACRO(n_) \ 173cdf0e10cSrcweir BOOST_PP_COMMA_IF(n_) \ 174cdf0e10cSrcweir {n_,n_,n_,n_} 175cdf0e10cSrcweir #define BOOST_PP_LOCAL_LIMITS (0, 255) 176cdf0e10cSrcweir #include BOOST_PP_LOCAL_ITERATE() 177cdf0e10cSrcweir } 178cdf0e10cSrcweir }; 179cdf0e10cSrcweir 180cdf0e10cSrcweir // need to copy&convert the bitmap, since dx 181cdf0e10cSrcweir // canvas uses inline alpha channel 182cdf0e10cSrcweir HDC hScreenDC=GetDC(NULL); 183cdf0e10cSrcweir const basegfx::B2IVector aSize(mpBitmap->getSize()); 184cdf0e10cSrcweir HBITMAP hBmpBitmap = CreateCompatibleBitmap( hScreenDC, aSize.getX(), aSize.getY() ); 185cdf0e10cSrcweir if( !hBmpBitmap ) 186cdf0e10cSrcweir return aRes; 187cdf0e10cSrcweir 188cdf0e10cSrcweir aDIB.bmiHeader.biSize = sizeof( BITMAPINFOHEADER ); 189cdf0e10cSrcweir aDIB.bmiHeader.biWidth = aSize.getX(); 190cdf0e10cSrcweir aDIB.bmiHeader.biHeight = -aSize.getY(); 191cdf0e10cSrcweir aDIB.bmiHeader.biPlanes = 1; 192cdf0e10cSrcweir aDIB.bmiHeader.biBitCount = 8; 193cdf0e10cSrcweir aDIB.bmiHeader.biCompression = BI_RGB; 194cdf0e10cSrcweir aDIB.bmiHeader.biSizeImage = 0; 195cdf0e10cSrcweir aDIB.bmiHeader.biXPelsPerMeter = 0; 196cdf0e10cSrcweir aDIB.bmiHeader.biYPelsPerMeter = 0; 197cdf0e10cSrcweir aDIB.bmiHeader.biClrUsed = 0; 198cdf0e10cSrcweir aDIB.bmiHeader.biClrImportant = 0; 199cdf0e10cSrcweir 200cdf0e10cSrcweir Gdiplus::BitmapData aBmpData; 201cdf0e10cSrcweir aBmpData.Width = aSize.getX(); 202cdf0e10cSrcweir aBmpData.Height = aSize.getY(); 203cdf0e10cSrcweir aBmpData.Stride = 4*aBmpData.Width; 204cdf0e10cSrcweir aBmpData.PixelFormat = PixelFormat32bppARGB; 205cdf0e10cSrcweir aBmpData.Scan0 = NULL; 206cdf0e10cSrcweir const Gdiplus::Rect aRect( 0,0,aSize.getX(),aSize.getY() ); 207cdf0e10cSrcweir BitmapSharedPtr pGDIPlusBitmap=mpBitmap->getBitmap(); 208cdf0e10cSrcweir if( Gdiplus::Ok != pGDIPlusBitmap->LockBits( &aRect, 209cdf0e10cSrcweir Gdiplus::ImageLockModeRead, 210cdf0e10cSrcweir PixelFormat32bppARGB, // outputs ARGB (big endian) 211cdf0e10cSrcweir &aBmpData ) ) 212cdf0e10cSrcweir { 213cdf0e10cSrcweir // failed to lock, bail out 214cdf0e10cSrcweir return aRes; 215cdf0e10cSrcweir } 216cdf0e10cSrcweir 217cdf0e10cSrcweir // copy only alpha channel to pAlphaBits 218cdf0e10cSrcweir const sal_Int32 nScanWidth((aSize.getX() + 3) & ~3); 219cdf0e10cSrcweir boost::scoped_array<sal_uInt8> pAlphaBits( new sal_uInt8[nScanWidth*aSize.getY()] ); 220cdf0e10cSrcweir const sal_uInt8* pInBits=(sal_uInt8*)aBmpData.Scan0; 221cdf0e10cSrcweir pInBits+=3; 222cdf0e10cSrcweir sal_uInt8* pOutBits; 223cdf0e10cSrcweir for( sal_Int32 y=0; y<aSize.getY(); ++y ) 224cdf0e10cSrcweir { 225cdf0e10cSrcweir pOutBits=pAlphaBits.get()+y*nScanWidth; 226cdf0e10cSrcweir for( sal_Int32 x=0; x<aSize.getX(); ++x ) 227cdf0e10cSrcweir { 228cdf0e10cSrcweir *pOutBits++ = 255-*pInBits; 229cdf0e10cSrcweir pInBits += 4; 230cdf0e10cSrcweir } 231cdf0e10cSrcweir } 232cdf0e10cSrcweir 233cdf0e10cSrcweir pGDIPlusBitmap->UnlockBits( &aBmpData ); 234cdf0e10cSrcweir 235cdf0e10cSrcweir // set bits to newly create HBITMAP 236cdf0e10cSrcweir SetDIBits( hScreenDC, hBmpBitmap, 0, 237cdf0e10cSrcweir aSize.getY(), pAlphaBits.get(), 238cdf0e10cSrcweir (PBITMAPINFO)&aDIB, DIB_RGB_COLORS ); 239cdf0e10cSrcweir 240cdf0e10cSrcweir uno::Sequence< uno::Any > args(1); 241cdf0e10cSrcweir args[0] = uno::Any( sal_Int64(hBmpBitmap) ); 242cdf0e10cSrcweir 243cdf0e10cSrcweir aRes <<= args; 244cdf0e10cSrcweir } 245cdf0e10cSrcweir } 246cdf0e10cSrcweir break; 247cdf0e10cSrcweir } 248cdf0e10cSrcweir 249cdf0e10cSrcweir return aRes; 250cdf0e10cSrcweir } 251cdf0e10cSrcweir 252cdf0e10cSrcweir #define IMPLEMENTATION_NAME "DXCanvas.CanvasBitmap" 253cdf0e10cSrcweir #define SERVICE_NAME "com.sun.star.rendering.CanvasBitmap" 254cdf0e10cSrcweir 255cdf0e10cSrcweir ::rtl::OUString SAL_CALL CanvasBitmap::getImplementationName( ) throw (uno::RuntimeException) 256cdf0e10cSrcweir { 257cdf0e10cSrcweir return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); 258cdf0e10cSrcweir } 259cdf0e10cSrcweir 260cdf0e10cSrcweir sal_Bool SAL_CALL CanvasBitmap::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException) 261cdf0e10cSrcweir { 262cdf0e10cSrcweir return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); 263cdf0e10cSrcweir } 264cdf0e10cSrcweir 265cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames( ) throw (uno::RuntimeException) 266cdf0e10cSrcweir { 267cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > aRet(1); 268cdf0e10cSrcweir aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); 269cdf0e10cSrcweir 270cdf0e10cSrcweir return aRet; 271cdf0e10cSrcweir } 272cdf0e10cSrcweir 273cdf0e10cSrcweir } 274