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See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_canvas.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <ctype.h> // don't ask. msdev breaks otherwise... 32*cdf0e10cSrcweir #include <canvas/debug.hxx> 33*cdf0e10cSrcweir #include <canvas/canvastools.hxx> 34*cdf0e10cSrcweir #include <tools/diagnose_ex.h> 35*cdf0e10cSrcweir 36*cdf0e10cSrcweir #include <vcl/bitmapex.hxx> 37*cdf0e10cSrcweir 38*cdf0e10cSrcweir #include <boost/preprocessor/repetition.hpp> 39*cdf0e10cSrcweir #include <boost/preprocessor/iteration/local.hpp> 40*cdf0e10cSrcweir #include <boost/scoped_array.hpp> 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir #include "dx_canvasbitmap.hxx" 43*cdf0e10cSrcweir #include "dx_impltools.hxx" 44*cdf0e10cSrcweir 45*cdf0e10cSrcweir 46*cdf0e10cSrcweir using namespace ::com::sun::star; 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir namespace dxcanvas 49*cdf0e10cSrcweir { 50*cdf0e10cSrcweir CanvasBitmap::CanvasBitmap( const IBitmapSharedPtr& rBitmap, 51*cdf0e10cSrcweir const DeviceRef& rDevice ) : 52*cdf0e10cSrcweir mpDevice( rDevice ), 53*cdf0e10cSrcweir mpBitmap( rBitmap ) 54*cdf0e10cSrcweir { 55*cdf0e10cSrcweir ENSURE_OR_THROW( mpDevice.is() && mpBitmap, 56*cdf0e10cSrcweir "CanvasBitmap::CanvasBitmap(): Invalid surface or device" ); 57*cdf0e10cSrcweir 58*cdf0e10cSrcweir maCanvasHelper.setDevice( *mpDevice.get() ); 59*cdf0e10cSrcweir maCanvasHelper.setTarget( mpBitmap ); 60*cdf0e10cSrcweir } 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir void SAL_CALL CanvasBitmap::disposing() 63*cdf0e10cSrcweir { 64*cdf0e10cSrcweir mpBitmap.reset(); 65*cdf0e10cSrcweir mpDevice.clear(); 66*cdf0e10cSrcweir 67*cdf0e10cSrcweir // forward to parent 68*cdf0e10cSrcweir CanvasBitmap_Base::disposing(); 69*cdf0e10cSrcweir } 70*cdf0e10cSrcweir 71*cdf0e10cSrcweir struct AlphaDIB 72*cdf0e10cSrcweir { 73*cdf0e10cSrcweir BITMAPINFOHEADER bmiHeader; 74*cdf0e10cSrcweir RGBQUAD bmiColors[256]; 75*cdf0e10cSrcweir }; 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle ) throw (uno::RuntimeException) 78*cdf0e10cSrcweir { 79*cdf0e10cSrcweir uno::Any aRes; 80*cdf0e10cSrcweir // 0 ... get BitmapEx 81*cdf0e10cSrcweir // 1 ... get Pixbuf with bitmap RGB content 82*cdf0e10cSrcweir // 2 ... get Pixbuf with bitmap alpha mask 83*cdf0e10cSrcweir switch( nHandle ) 84*cdf0e10cSrcweir { 85*cdf0e10cSrcweir // sorry, no BitmapEx here... 86*cdf0e10cSrcweir case 0: 87*cdf0e10cSrcweir aRes = ::com::sun::star::uno::Any( reinterpret_cast<sal_Int64>( (BitmapEx*) NULL ) ); 88*cdf0e10cSrcweir break; 89*cdf0e10cSrcweir 90*cdf0e10cSrcweir case 1: 91*cdf0e10cSrcweir { 92*cdf0e10cSrcweir if(!mpBitmap->hasAlpha()) 93*cdf0e10cSrcweir { 94*cdf0e10cSrcweir HBITMAP aHBmp; 95*cdf0e10cSrcweir mpBitmap->getBitmap()->GetHBITMAP(Gdiplus::Color(), &aHBmp ); 96*cdf0e10cSrcweir 97*cdf0e10cSrcweir uno::Sequence< uno::Any > args(1); 98*cdf0e10cSrcweir args[0] = uno::Any( sal_Int64(aHBmp) ); 99*cdf0e10cSrcweir 100*cdf0e10cSrcweir aRes <<= args; 101*cdf0e10cSrcweir } 102*cdf0e10cSrcweir else 103*cdf0e10cSrcweir { 104*cdf0e10cSrcweir // need to copy&convert the bitmap, since dx 105*cdf0e10cSrcweir // canvas uses inline alpha channel 106*cdf0e10cSrcweir HDC hScreenDC=GetDC(NULL); 107*cdf0e10cSrcweir const basegfx::B2IVector aSize(mpBitmap->getSize()); 108*cdf0e10cSrcweir HBITMAP hBmpBitmap = CreateCompatibleBitmap( hScreenDC, 109*cdf0e10cSrcweir aSize.getX(), 110*cdf0e10cSrcweir aSize.getY() ); 111*cdf0e10cSrcweir if( !hBmpBitmap ) 112*cdf0e10cSrcweir return aRes; 113*cdf0e10cSrcweir 114*cdf0e10cSrcweir BITMAPINFOHEADER aBIH; 115*cdf0e10cSrcweir 116*cdf0e10cSrcweir aBIH.biSize = sizeof( BITMAPINFOHEADER ); 117*cdf0e10cSrcweir aBIH.biWidth = aSize.getX(); 118*cdf0e10cSrcweir aBIH.biHeight = -aSize.getY(); 119*cdf0e10cSrcweir aBIH.biPlanes = 1; 120*cdf0e10cSrcweir aBIH.biBitCount = 32; 121*cdf0e10cSrcweir aBIH.biCompression = BI_RGB; // expects pixel in 122*cdf0e10cSrcweir // bbggrrxx format 123*cdf0e10cSrcweir // (little endian) 124*cdf0e10cSrcweir aBIH.biSizeImage = 0; 125*cdf0e10cSrcweir aBIH.biXPelsPerMeter = 0; 126*cdf0e10cSrcweir aBIH.biYPelsPerMeter = 0; 127*cdf0e10cSrcweir aBIH.biClrUsed = 0; 128*cdf0e10cSrcweir aBIH.biClrImportant = 0; 129*cdf0e10cSrcweir 130*cdf0e10cSrcweir Gdiplus::BitmapData aBmpData; 131*cdf0e10cSrcweir aBmpData.Width = aSize.getX(); 132*cdf0e10cSrcweir aBmpData.Height = aSize.getY(); 133*cdf0e10cSrcweir aBmpData.Stride = 4*aBmpData.Width; 134*cdf0e10cSrcweir aBmpData.PixelFormat = PixelFormat32bppARGB; 135*cdf0e10cSrcweir aBmpData.Scan0 = NULL; 136*cdf0e10cSrcweir const Gdiplus::Rect aRect( 0,0,aSize.getX(),aSize.getY() ); 137*cdf0e10cSrcweir BitmapSharedPtr pGDIPlusBitmap=mpBitmap->getBitmap(); 138*cdf0e10cSrcweir if( Gdiplus::Ok != pGDIPlusBitmap->LockBits( &aRect, 139*cdf0e10cSrcweir Gdiplus::ImageLockModeRead, 140*cdf0e10cSrcweir PixelFormat32bppARGB, // outputs ARGB (big endian) 141*cdf0e10cSrcweir &aBmpData ) ) 142*cdf0e10cSrcweir { 143*cdf0e10cSrcweir // failed to lock, bail out 144*cdf0e10cSrcweir return aRes; 145*cdf0e10cSrcweir } 146*cdf0e10cSrcweir 147*cdf0e10cSrcweir // now aBmpData.Scan0 contains our bits - push 148*cdf0e10cSrcweir // them into HBITMAP, ignoring alpha 149*cdf0e10cSrcweir SetDIBits( hScreenDC, hBmpBitmap, 0, aSize.getY(), aBmpData.Scan0, (PBITMAPINFO)&aBIH, DIB_RGB_COLORS ); 150*cdf0e10cSrcweir 151*cdf0e10cSrcweir pGDIPlusBitmap->UnlockBits( &aBmpData ); 152*cdf0e10cSrcweir 153*cdf0e10cSrcweir uno::Sequence< uno::Any > args(1); 154*cdf0e10cSrcweir args[0] = uno::Any( sal_Int64(hBmpBitmap) ); 155*cdf0e10cSrcweir 156*cdf0e10cSrcweir aRes <<= args; 157*cdf0e10cSrcweir } 158*cdf0e10cSrcweir } 159*cdf0e10cSrcweir break; 160*cdf0e10cSrcweir 161*cdf0e10cSrcweir case 2: 162*cdf0e10cSrcweir { 163*cdf0e10cSrcweir if(!mpBitmap->hasAlpha()) 164*cdf0e10cSrcweir { 165*cdf0e10cSrcweir return aRes; 166*cdf0e10cSrcweir } 167*cdf0e10cSrcweir else 168*cdf0e10cSrcweir { 169*cdf0e10cSrcweir static AlphaDIB aDIB= 170*cdf0e10cSrcweir { 171*cdf0e10cSrcweir {0,0,0,1,8,BI_RGB,0,0,0,0,0}, 172*cdf0e10cSrcweir { 173*cdf0e10cSrcweir // this here fills palette with grey 174*cdf0e10cSrcweir // level colors, starting from 0,0,0 175*cdf0e10cSrcweir // up to 255,255,255 176*cdf0e10cSrcweir #define BOOST_PP_LOCAL_MACRO(n_) \ 177*cdf0e10cSrcweir BOOST_PP_COMMA_IF(n_) \ 178*cdf0e10cSrcweir {n_,n_,n_,n_} 179*cdf0e10cSrcweir #define BOOST_PP_LOCAL_LIMITS (0, 255) 180*cdf0e10cSrcweir #include BOOST_PP_LOCAL_ITERATE() 181*cdf0e10cSrcweir } 182*cdf0e10cSrcweir }; 183*cdf0e10cSrcweir 184*cdf0e10cSrcweir // need to copy&convert the bitmap, since dx 185*cdf0e10cSrcweir // canvas uses inline alpha channel 186*cdf0e10cSrcweir HDC hScreenDC=GetDC(NULL); 187*cdf0e10cSrcweir const basegfx::B2IVector aSize(mpBitmap->getSize()); 188*cdf0e10cSrcweir HBITMAP hBmpBitmap = CreateCompatibleBitmap( hScreenDC, aSize.getX(), aSize.getY() ); 189*cdf0e10cSrcweir if( !hBmpBitmap ) 190*cdf0e10cSrcweir return aRes; 191*cdf0e10cSrcweir 192*cdf0e10cSrcweir aDIB.bmiHeader.biSize = sizeof( BITMAPINFOHEADER ); 193*cdf0e10cSrcweir aDIB.bmiHeader.biWidth = aSize.getX(); 194*cdf0e10cSrcweir aDIB.bmiHeader.biHeight = -aSize.getY(); 195*cdf0e10cSrcweir aDIB.bmiHeader.biPlanes = 1; 196*cdf0e10cSrcweir aDIB.bmiHeader.biBitCount = 8; 197*cdf0e10cSrcweir aDIB.bmiHeader.biCompression = BI_RGB; 198*cdf0e10cSrcweir aDIB.bmiHeader.biSizeImage = 0; 199*cdf0e10cSrcweir aDIB.bmiHeader.biXPelsPerMeter = 0; 200*cdf0e10cSrcweir aDIB.bmiHeader.biYPelsPerMeter = 0; 201*cdf0e10cSrcweir aDIB.bmiHeader.biClrUsed = 0; 202*cdf0e10cSrcweir aDIB.bmiHeader.biClrImportant = 0; 203*cdf0e10cSrcweir 204*cdf0e10cSrcweir Gdiplus::BitmapData aBmpData; 205*cdf0e10cSrcweir aBmpData.Width = aSize.getX(); 206*cdf0e10cSrcweir aBmpData.Height = aSize.getY(); 207*cdf0e10cSrcweir aBmpData.Stride = 4*aBmpData.Width; 208*cdf0e10cSrcweir aBmpData.PixelFormat = PixelFormat32bppARGB; 209*cdf0e10cSrcweir aBmpData.Scan0 = NULL; 210*cdf0e10cSrcweir const Gdiplus::Rect aRect( 0,0,aSize.getX(),aSize.getY() ); 211*cdf0e10cSrcweir BitmapSharedPtr pGDIPlusBitmap=mpBitmap->getBitmap(); 212*cdf0e10cSrcweir if( Gdiplus::Ok != pGDIPlusBitmap->LockBits( &aRect, 213*cdf0e10cSrcweir Gdiplus::ImageLockModeRead, 214*cdf0e10cSrcweir PixelFormat32bppARGB, // outputs ARGB (big endian) 215*cdf0e10cSrcweir &aBmpData ) ) 216*cdf0e10cSrcweir { 217*cdf0e10cSrcweir // failed to lock, bail out 218*cdf0e10cSrcweir return aRes; 219*cdf0e10cSrcweir } 220*cdf0e10cSrcweir 221*cdf0e10cSrcweir // copy only alpha channel to pAlphaBits 222*cdf0e10cSrcweir const sal_Int32 nScanWidth((aSize.getX() + 3) & ~3); 223*cdf0e10cSrcweir boost::scoped_array<sal_uInt8> pAlphaBits( new sal_uInt8[nScanWidth*aSize.getY()] ); 224*cdf0e10cSrcweir const sal_uInt8* pInBits=(sal_uInt8*)aBmpData.Scan0; 225*cdf0e10cSrcweir pInBits+=3; 226*cdf0e10cSrcweir sal_uInt8* pOutBits; 227*cdf0e10cSrcweir for( sal_Int32 y=0; y<aSize.getY(); ++y ) 228*cdf0e10cSrcweir { 229*cdf0e10cSrcweir pOutBits=pAlphaBits.get()+y*nScanWidth; 230*cdf0e10cSrcweir for( sal_Int32 x=0; x<aSize.getX(); ++x ) 231*cdf0e10cSrcweir { 232*cdf0e10cSrcweir *pOutBits++ = 255-*pInBits; 233*cdf0e10cSrcweir pInBits += 4; 234*cdf0e10cSrcweir } 235*cdf0e10cSrcweir } 236*cdf0e10cSrcweir 237*cdf0e10cSrcweir pGDIPlusBitmap->UnlockBits( &aBmpData ); 238*cdf0e10cSrcweir 239*cdf0e10cSrcweir // set bits to newly create HBITMAP 240*cdf0e10cSrcweir SetDIBits( hScreenDC, hBmpBitmap, 0, 241*cdf0e10cSrcweir aSize.getY(), pAlphaBits.get(), 242*cdf0e10cSrcweir (PBITMAPINFO)&aDIB, DIB_RGB_COLORS ); 243*cdf0e10cSrcweir 244*cdf0e10cSrcweir uno::Sequence< uno::Any > args(1); 245*cdf0e10cSrcweir args[0] = uno::Any( sal_Int64(hBmpBitmap) ); 246*cdf0e10cSrcweir 247*cdf0e10cSrcweir aRes <<= args; 248*cdf0e10cSrcweir } 249*cdf0e10cSrcweir } 250*cdf0e10cSrcweir break; 251*cdf0e10cSrcweir } 252*cdf0e10cSrcweir 253*cdf0e10cSrcweir return aRes; 254*cdf0e10cSrcweir } 255*cdf0e10cSrcweir 256*cdf0e10cSrcweir #define IMPLEMENTATION_NAME "DXCanvas.CanvasBitmap" 257*cdf0e10cSrcweir #define SERVICE_NAME "com.sun.star.rendering.CanvasBitmap" 258*cdf0e10cSrcweir 259*cdf0e10cSrcweir ::rtl::OUString SAL_CALL CanvasBitmap::getImplementationName( ) throw (uno::RuntimeException) 260*cdf0e10cSrcweir { 261*cdf0e10cSrcweir return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); 262*cdf0e10cSrcweir } 263*cdf0e10cSrcweir 264*cdf0e10cSrcweir sal_Bool SAL_CALL CanvasBitmap::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException) 265*cdf0e10cSrcweir { 266*cdf0e10cSrcweir return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); 267*cdf0e10cSrcweir } 268*cdf0e10cSrcweir 269*cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames( ) throw (uno::RuntimeException) 270*cdf0e10cSrcweir { 271*cdf0e10cSrcweir uno::Sequence< ::rtl::OUString > aRet(1); 272*cdf0e10cSrcweir aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); 273*cdf0e10cSrcweir 274*cdf0e10cSrcweir return aRet; 275*cdf0e10cSrcweir } 276*cdf0e10cSrcweir 277*cdf0e10cSrcweir } 278