125ea7f45SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 325ea7f45SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 425ea7f45SAndrew Rist * or more contributor license agreements. See the NOTICE file 525ea7f45SAndrew Rist * distributed with this work for additional information 625ea7f45SAndrew Rist * regarding copyright ownership. The ASF licenses this file 725ea7f45SAndrew Rist * to you under the Apache License, Version 2.0 (the 825ea7f45SAndrew Rist * "License"); you may not use this file except in compliance 925ea7f45SAndrew Rist * with the License. You may obtain a copy of the License at 1025ea7f45SAndrew Rist * 1125ea7f45SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 1225ea7f45SAndrew Rist * 1325ea7f45SAndrew Rist * Unless required by applicable law or agreed to in writing, 1425ea7f45SAndrew Rist * software distributed under the License is distributed on an 1525ea7f45SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 1625ea7f45SAndrew Rist * KIND, either express or implied. See the License for the 1725ea7f45SAndrew Rist * specific language governing permissions and limitations 1825ea7f45SAndrew Rist * under the License. 1925ea7f45SAndrew Rist * 2025ea7f45SAndrew Rist *************************************************************/ 2125ea7f45SAndrew Rist 2225ea7f45SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_canvas.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <vcl/canvastools.hxx> 28cdf0e10cSrcweir 29cdf0e10cSrcweir #include <vcl/bitmap.hxx> 30cdf0e10cSrcweir #include <vcl/bitmapex.hxx> 31cdf0e10cSrcweir #include <vcl/bmpacc.hxx> 32cdf0e10cSrcweir #include <tools/diagnose_ex.h> 33cdf0e10cSrcweir 34cdf0e10cSrcweir #include "dx_impltools.hxx" 35cdf0e10cSrcweir #include <basegfx/numeric/ftools.hxx> 36cdf0e10cSrcweir 37cdf0e10cSrcweir #include <canvas/debug.hxx> 38cdf0e10cSrcweir #include <canvas/verbosetrace.hxx> 39cdf0e10cSrcweir 40cdf0e10cSrcweir #include <com/sun/star/lang/XServiceInfo.hpp> 41cdf0e10cSrcweir #include <com/sun/star/rendering/XIntegerBitmap.hpp> 42cdf0e10cSrcweir 43cdf0e10cSrcweir #include <boost/scoped_array.hpp> 44cdf0e10cSrcweir 45cdf0e10cSrcweir #include "dx_vcltools.hxx" 46cdf0e10cSrcweir 47cdf0e10cSrcweir using namespace ::com::sun::star; 48cdf0e10cSrcweir 49cdf0e10cSrcweir namespace dxcanvas 50cdf0e10cSrcweir { 51cdf0e10cSrcweir namespace tools 52cdf0e10cSrcweir { 53cdf0e10cSrcweir namespace 54cdf0e10cSrcweir { 55cdf0e10cSrcweir /// Calc number of colors in given BitmapInfoHeader calcDIBColorCount(const BITMAPINFOHEADER & rBIH)56cdf0e10cSrcweir sal_Int32 calcDIBColorCount( const BITMAPINFOHEADER& rBIH ) 57cdf0e10cSrcweir { 58cdf0e10cSrcweir if( rBIH.biSize != sizeof( BITMAPCOREHEADER ) ) 59cdf0e10cSrcweir { 60cdf0e10cSrcweir if( rBIH.biBitCount <= 8 ) 61cdf0e10cSrcweir { 62cdf0e10cSrcweir if( rBIH.biClrUsed ) 63cdf0e10cSrcweir return rBIH.biClrUsed; 64cdf0e10cSrcweir else 65cdf0e10cSrcweir return 1L << rBIH.biBitCount; 66cdf0e10cSrcweir } 67cdf0e10cSrcweir } 68cdf0e10cSrcweir else 69cdf0e10cSrcweir { 70cdf0e10cSrcweir BITMAPCOREHEADER* pCoreHeader = (BITMAPCOREHEADER*)&rBIH; 71cdf0e10cSrcweir 72cdf0e10cSrcweir if( pCoreHeader->bcBitCount <= 8 ) 73cdf0e10cSrcweir return 1L << pCoreHeader->bcBitCount; 74cdf0e10cSrcweir } 75cdf0e10cSrcweir 76cdf0e10cSrcweir return 0; // nothing known 77cdf0e10cSrcweir } 78cdf0e10cSrcweir 79cdf0e10cSrcweir /// Draw DI bits to given Graphics drawDIBits(const::boost::shared_ptr<Gdiplus::Graphics> & rGraphics,const void * hDIB)80cdf0e10cSrcweir bool drawDIBits( const ::boost::shared_ptr< Gdiplus::Graphics >& rGraphics, 81cdf0e10cSrcweir const void* hDIB ) 82cdf0e10cSrcweir { 83cdf0e10cSrcweir bool bRet( false ); 84cdf0e10cSrcweir BitmapSharedPtr pBitmap; 85cdf0e10cSrcweir 86cdf0e10cSrcweir const BITMAPINFO* pBI = (BITMAPINFO*)GlobalLock( (HGLOBAL)hDIB ); 87cdf0e10cSrcweir 88cdf0e10cSrcweir if( pBI ) 89cdf0e10cSrcweir { 90cdf0e10cSrcweir const BITMAPINFOHEADER* pBIH = (BITMAPINFOHEADER*)pBI; 91cdf0e10cSrcweir const BYTE* pBits = (BYTE*) pBI + *(DWORD*)pBI + 92cdf0e10cSrcweir calcDIBColorCount( *pBIH ) * sizeof( RGBQUAD ); 93cdf0e10cSrcweir 94cdf0e10cSrcweir // forward to outsourced GDI+ rendering method 95cdf0e10cSrcweir // (header clashes) 96cdf0e10cSrcweir bRet = tools::drawDIBits( rGraphics, *pBI, (void*)pBits ); 97cdf0e10cSrcweir 98cdf0e10cSrcweir GlobalUnlock( (HGLOBAL)hDIB ); 99cdf0e10cSrcweir } 100cdf0e10cSrcweir 101cdf0e10cSrcweir return bRet; 102cdf0e10cSrcweir } 103cdf0e10cSrcweir 104cdf0e10cSrcweir /** Draw VCL bitmap to given Graphics 105cdf0e10cSrcweir 106cdf0e10cSrcweir @param rBmp 107cdf0e10cSrcweir Reference to bitmap. Might get modified, in such a way 108cdf0e10cSrcweir that it will hold a DIB after a successful function call. 109cdf0e10cSrcweir */ drawVCLBitmap(const::boost::shared_ptr<Gdiplus::Graphics> & rGraphics,::Bitmap & rBmp)110cdf0e10cSrcweir bool drawVCLBitmap( const ::boost::shared_ptr< Gdiplus::Graphics >& rGraphics, 111cdf0e10cSrcweir ::Bitmap& rBmp ) 112cdf0e10cSrcweir { 113cdf0e10cSrcweir BitmapSystemData aBmpSysData; 114cdf0e10cSrcweir 115cdf0e10cSrcweir if( !rBmp.GetSystemData( aBmpSysData ) || 116cdf0e10cSrcweir !aBmpSysData.pDIB ) 117cdf0e10cSrcweir { 118cdf0e10cSrcweir // first of all, ensure that Bitmap contains a DIB, by 11907a3d7f1SPedro Giffuni // acquiring a read access 120cdf0e10cSrcweir BitmapReadAccess* pReadAcc = rBmp.AcquireReadAccess(); 121cdf0e10cSrcweir 122cdf0e10cSrcweir // TODO(P2): Acquiring a read access can actually 123cdf0e10cSrcweir // force a read from VRAM, thus, avoiding this 124cdf0e10cSrcweir // step somehow will increase performance 125cdf0e10cSrcweir // here. 126cdf0e10cSrcweir if( pReadAcc ) 127cdf0e10cSrcweir { 128cdf0e10cSrcweir // try again: now, WinSalBitmap must have 129cdf0e10cSrcweir // generated a DIB 130cdf0e10cSrcweir if( rBmp.GetSystemData( aBmpSysData ) && 131cdf0e10cSrcweir aBmpSysData.pDIB ) 132cdf0e10cSrcweir { 133cdf0e10cSrcweir return drawDIBits( rGraphics, 134cdf0e10cSrcweir aBmpSysData.pDIB ); 135cdf0e10cSrcweir } 136cdf0e10cSrcweir 137cdf0e10cSrcweir rBmp.ReleaseAccess( pReadAcc ); 138cdf0e10cSrcweir } 139cdf0e10cSrcweir } 140cdf0e10cSrcweir else 141cdf0e10cSrcweir { 142cdf0e10cSrcweir return drawDIBits( rGraphics, 143cdf0e10cSrcweir aBmpSysData.pDIB ); 144cdf0e10cSrcweir } 145cdf0e10cSrcweir 146cdf0e10cSrcweir // failed to generate DIBits from vcl bitmap 147cdf0e10cSrcweir return false; 148cdf0e10cSrcweir } 149cdf0e10cSrcweir 150cdf0e10cSrcweir /** Create a chunk of raw RGBA data GDI+ Bitmap from VCL BbitmapEX 151cdf0e10cSrcweir */ bitmapFromVCLBitmapEx(const::BitmapEx & rBmpEx)152cdf0e10cSrcweir RawRGBABitmap bitmapFromVCLBitmapEx( const ::BitmapEx& rBmpEx ) 153cdf0e10cSrcweir { 154cdf0e10cSrcweir // TODO(P2): Avoid temporary bitmap generation, maybe 155cdf0e10cSrcweir // even ensure that created DIBs are copied back to 156cdf0e10cSrcweir // BmpEx (currently, every AcquireReadAccess() will 157cdf0e10cSrcweir // make the local bitmap copy unique, effectively 158cdf0e10cSrcweir // duplicating the memory used) 159cdf0e10cSrcweir 160cdf0e10cSrcweir ENSURE_OR_THROW( rBmpEx.IsTransparent(), 161cdf0e10cSrcweir "::dxcanvas::tools::bitmapFromVCLBitmapEx(): " 162cdf0e10cSrcweir "BmpEx not transparent" ); 163cdf0e10cSrcweir 164cdf0e10cSrcweir // convert transparent bitmap to 32bit RGBA 165cdf0e10cSrcweir // ======================================== 166cdf0e10cSrcweir 167cdf0e10cSrcweir const ::Size aBmpSize( rBmpEx.GetSizePixel() ); 168cdf0e10cSrcweir 169cdf0e10cSrcweir RawRGBABitmap aBmpData; 170cdf0e10cSrcweir aBmpData.mnWidth = aBmpSize.Width(); 171cdf0e10cSrcweir aBmpData.mnHeight = aBmpSize.Height(); 172cdf0e10cSrcweir aBmpData.mpBitmapData.reset( new sal_uInt8[ 4*aBmpData.mnWidth*aBmpData.mnHeight ] ); 173cdf0e10cSrcweir 174cdf0e10cSrcweir Bitmap aBitmap( rBmpEx.GetBitmap() ); 175cdf0e10cSrcweir 176cdf0e10cSrcweir ScopedBitmapReadAccess pReadAccess( aBitmap.AcquireReadAccess(), 177cdf0e10cSrcweir aBitmap ); 178cdf0e10cSrcweir 179cdf0e10cSrcweir const sal_Int32 nWidth( aBmpSize.Width() ); 180cdf0e10cSrcweir const sal_Int32 nHeight( aBmpSize.Height() ); 181cdf0e10cSrcweir 182cdf0e10cSrcweir ENSURE_OR_THROW( pReadAccess.get() != NULL, 183cdf0e10cSrcweir "::dxcanvas::tools::bitmapFromVCLBitmapEx(): " 184*30acf5e8Spfg "Unable to acquire read access to bitmap" ); 185cdf0e10cSrcweir 186cdf0e10cSrcweir if( rBmpEx.IsAlpha() ) 187cdf0e10cSrcweir { 188cdf0e10cSrcweir Bitmap aAlpha( rBmpEx.GetAlpha().GetBitmap() ); 189cdf0e10cSrcweir 190cdf0e10cSrcweir ScopedBitmapReadAccess pAlphaReadAccess( aAlpha.AcquireReadAccess(), 191cdf0e10cSrcweir aAlpha ); 192cdf0e10cSrcweir 193cdf0e10cSrcweir // By convention, the access buffer always has 194cdf0e10cSrcweir // one of the following formats: 195cdf0e10cSrcweir // 196cdf0e10cSrcweir // BMP_FORMAT_1BIT_MSB_PAL 197cdf0e10cSrcweir // BMP_FORMAT_4BIT_MSN_PAL 198cdf0e10cSrcweir // BMP_FORMAT_8BIT_PAL 199cdf0e10cSrcweir // BMP_FORMAT_16BIT_TC_LSB_MASK 200cdf0e10cSrcweir // BMP_FORMAT_24BIT_TC_BGR 201cdf0e10cSrcweir // BMP_FORMAT_32BIT_TC_MASK 202cdf0e10cSrcweir // 203cdf0e10cSrcweir // and is always BMP_FORMAT_BOTTOM_UP 204cdf0e10cSrcweir // 205cdf0e10cSrcweir // This is the way 206cdf0e10cSrcweir // WinSalBitmap::AcquireBuffer() sets up the 207cdf0e10cSrcweir // buffer 208cdf0e10cSrcweir 209cdf0e10cSrcweir ENSURE_OR_THROW( pAlphaReadAccess.get() != NULL, 210cdf0e10cSrcweir "::dxcanvas::tools::bitmapFromVCLBitmapEx(): " 211*30acf5e8Spfg "Unable to acquire read access to alpha" ); 212cdf0e10cSrcweir 213cdf0e10cSrcweir ENSURE_OR_THROW( pAlphaReadAccess->GetScanlineFormat() == BMP_FORMAT_8BIT_PAL || 214cdf0e10cSrcweir pAlphaReadAccess->GetScanlineFormat() == BMP_FORMAT_8BIT_TC_MASK, 215cdf0e10cSrcweir "::dxcanvas::tools::bitmapFromVCLBitmapEx(): " 216cdf0e10cSrcweir "Unsupported alpha scanline format" ); 217cdf0e10cSrcweir 218cdf0e10cSrcweir BitmapColor aCol; 219cdf0e10cSrcweir const sal_Int32 nWidth( aBmpSize.Width() ); 220cdf0e10cSrcweir const sal_Int32 nHeight( aBmpSize.Height() ); 221cdf0e10cSrcweir sal_uInt8* pCurrOutput( aBmpData.mpBitmapData.get() ); 222cdf0e10cSrcweir int x, y; 223cdf0e10cSrcweir 224cdf0e10cSrcweir for( y=0; y<nHeight; ++y ) 225cdf0e10cSrcweir { 226cdf0e10cSrcweir switch( pReadAccess->GetScanlineFormat() ) 227cdf0e10cSrcweir { 228cdf0e10cSrcweir case BMP_FORMAT_8BIT_PAL: 229cdf0e10cSrcweir { 230cdf0e10cSrcweir Scanline pScan = pReadAccess->GetScanline( y ); 231cdf0e10cSrcweir Scanline pAScan = pAlphaReadAccess->GetScanline( y ); 232cdf0e10cSrcweir 233cdf0e10cSrcweir for( x=0; x<nWidth; ++x ) 234cdf0e10cSrcweir { 235cdf0e10cSrcweir aCol = pReadAccess->GetPaletteColor( *pScan++ ); 236cdf0e10cSrcweir 237cdf0e10cSrcweir *pCurrOutput++ = aCol.GetBlue(); 238cdf0e10cSrcweir *pCurrOutput++ = aCol.GetGreen(); 239cdf0e10cSrcweir *pCurrOutput++ = aCol.GetRed(); 240cdf0e10cSrcweir 241cdf0e10cSrcweir // out notion of alpha is 242cdf0e10cSrcweir // different from the rest 243cdf0e10cSrcweir // of the world's 244cdf0e10cSrcweir *pCurrOutput++ = 255 - (BYTE)*pAScan++; 245cdf0e10cSrcweir } 246cdf0e10cSrcweir } 247cdf0e10cSrcweir break; 248cdf0e10cSrcweir 249cdf0e10cSrcweir case BMP_FORMAT_24BIT_TC_BGR: 250cdf0e10cSrcweir { 251cdf0e10cSrcweir Scanline pScan = pReadAccess->GetScanline( y ); 252cdf0e10cSrcweir Scanline pAScan = pAlphaReadAccess->GetScanline( y ); 253cdf0e10cSrcweir 254cdf0e10cSrcweir for( x=0; x<nWidth; ++x ) 255cdf0e10cSrcweir { 256cdf0e10cSrcweir // store as RGBA 257cdf0e10cSrcweir *pCurrOutput++ = *pScan++; 258cdf0e10cSrcweir *pCurrOutput++ = *pScan++; 259cdf0e10cSrcweir *pCurrOutput++ = *pScan++; 260cdf0e10cSrcweir 261cdf0e10cSrcweir // out notion of alpha is 262cdf0e10cSrcweir // different from the rest 263cdf0e10cSrcweir // of the world's 264cdf0e10cSrcweir *pCurrOutput++ = 255 - (BYTE)*pAScan++; 265cdf0e10cSrcweir } 266cdf0e10cSrcweir } 267cdf0e10cSrcweir break; 268cdf0e10cSrcweir 269cdf0e10cSrcweir // TODO(P2): Might be advantageous 270cdf0e10cSrcweir // to hand-formulate the following 271cdf0e10cSrcweir // formats, too. 272cdf0e10cSrcweir case BMP_FORMAT_1BIT_MSB_PAL: 273cdf0e10cSrcweir // FALLTHROUGH intended 274cdf0e10cSrcweir case BMP_FORMAT_4BIT_MSN_PAL: 275cdf0e10cSrcweir // FALLTHROUGH intended 276cdf0e10cSrcweir case BMP_FORMAT_16BIT_TC_LSB_MASK: 277cdf0e10cSrcweir // FALLTHROUGH intended 278cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_MASK: 279cdf0e10cSrcweir { 280cdf0e10cSrcweir Scanline pAScan = pAlphaReadAccess->GetScanline( y ); 281cdf0e10cSrcweir 282cdf0e10cSrcweir // using fallback for those 283cdf0e10cSrcweir // seldom formats 284cdf0e10cSrcweir for( x=0; x<nWidth; ++x ) 285cdf0e10cSrcweir { 286cdf0e10cSrcweir // yes. x and y are swapped on Get/SetPixel 287cdf0e10cSrcweir aCol = pReadAccess->GetColor(y,x); 288cdf0e10cSrcweir 289cdf0e10cSrcweir *pCurrOutput++ = aCol.GetBlue(); 290cdf0e10cSrcweir *pCurrOutput++ = aCol.GetGreen(); 291cdf0e10cSrcweir *pCurrOutput++ = aCol.GetRed(); 292cdf0e10cSrcweir 293cdf0e10cSrcweir // out notion of alpha is 294cdf0e10cSrcweir // different from the rest 295cdf0e10cSrcweir // of the world's 296cdf0e10cSrcweir *pCurrOutput++ = 255 - (BYTE)*pAScan++; 297cdf0e10cSrcweir } 298cdf0e10cSrcweir } 299cdf0e10cSrcweir break; 300cdf0e10cSrcweir 301cdf0e10cSrcweir case BMP_FORMAT_1BIT_LSB_PAL: 302cdf0e10cSrcweir // FALLTHROUGH intended 303cdf0e10cSrcweir case BMP_FORMAT_4BIT_LSN_PAL: 304cdf0e10cSrcweir // FALLTHROUGH intended 305cdf0e10cSrcweir case BMP_FORMAT_8BIT_TC_MASK: 306cdf0e10cSrcweir // FALLTHROUGH intended 307cdf0e10cSrcweir case BMP_FORMAT_24BIT_TC_RGB: 308cdf0e10cSrcweir // FALLTHROUGH intended 309cdf0e10cSrcweir case BMP_FORMAT_24BIT_TC_MASK: 310cdf0e10cSrcweir // FALLTHROUGH intended 311cdf0e10cSrcweir case BMP_FORMAT_16BIT_TC_MSB_MASK: 312cdf0e10cSrcweir // FALLTHROUGH intended 313cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_ABGR: 314cdf0e10cSrcweir // FALLTHROUGH intended 315cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_ARGB: 316cdf0e10cSrcweir // FALLTHROUGH intended 317cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_BGRA: 318cdf0e10cSrcweir // FALLTHROUGH intended 319cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_RGBA: 320cdf0e10cSrcweir // FALLTHROUGH intended 321cdf0e10cSrcweir default: 322cdf0e10cSrcweir ENSURE_OR_THROW( false, 323cdf0e10cSrcweir "::dxcanvas::tools::bitmapFromVCLBitmapEx(): " 324cdf0e10cSrcweir "Unexpected scanline format - has " 325cdf0e10cSrcweir "WinSalBitmap::AcquireBuffer() changed?" ); 326cdf0e10cSrcweir } 327cdf0e10cSrcweir } 328cdf0e10cSrcweir } 329cdf0e10cSrcweir else 330cdf0e10cSrcweir { 331cdf0e10cSrcweir Bitmap aMask( rBmpEx.GetMask() ); 332cdf0e10cSrcweir 333cdf0e10cSrcweir ScopedBitmapReadAccess pMaskReadAccess( aMask.AcquireReadAccess(), 334cdf0e10cSrcweir aMask ); 335cdf0e10cSrcweir 336cdf0e10cSrcweir // By convention, the access buffer always has 337cdf0e10cSrcweir // one of the following formats: 338cdf0e10cSrcweir // 339cdf0e10cSrcweir // BMP_FORMAT_1BIT_MSB_PAL 340cdf0e10cSrcweir // BMP_FORMAT_4BIT_MSN_PAL 341cdf0e10cSrcweir // BMP_FORMAT_8BIT_PAL 342cdf0e10cSrcweir // BMP_FORMAT_16BIT_TC_LSB_MASK 343cdf0e10cSrcweir // BMP_FORMAT_24BIT_TC_BGR 344cdf0e10cSrcweir // BMP_FORMAT_32BIT_TC_MASK 345cdf0e10cSrcweir // 346cdf0e10cSrcweir // and is always BMP_FORMAT_BOTTOM_UP 347cdf0e10cSrcweir // 348cdf0e10cSrcweir // This is the way 349cdf0e10cSrcweir // WinSalBitmap::AcquireBuffer() sets up the 350cdf0e10cSrcweir // buffer 351cdf0e10cSrcweir 352cdf0e10cSrcweir ENSURE_OR_THROW( pMaskReadAccess.get() != NULL, 353cdf0e10cSrcweir "::dxcanvas::tools::bitmapFromVCLBitmapEx(): " 354*30acf5e8Spfg "Unable to acquire read access to mask" ); 355cdf0e10cSrcweir 356cdf0e10cSrcweir ENSURE_OR_THROW( pMaskReadAccess->GetScanlineFormat() == BMP_FORMAT_1BIT_MSB_PAL, 357cdf0e10cSrcweir "::dxcanvas::tools::bitmapFromVCLBitmapEx(): " 358cdf0e10cSrcweir "Unsupported mask scanline format" ); 359cdf0e10cSrcweir 360cdf0e10cSrcweir BitmapColor aCol; 361cdf0e10cSrcweir int nCurrBit; 362cdf0e10cSrcweir const int nMask( 1L ); 363cdf0e10cSrcweir const int nInitialBit(7); 364cdf0e10cSrcweir sal_uInt8* pCurrOutput( aBmpData.mpBitmapData.get() ); 365cdf0e10cSrcweir int x, y; 366cdf0e10cSrcweir 367cdf0e10cSrcweir // mapping table, to get from mask index color to 368cdf0e10cSrcweir // alpha value (which depends on the mask's palette) 369cdf0e10cSrcweir sal_uInt8 aColorMap[2]; 370cdf0e10cSrcweir 371cdf0e10cSrcweir const BitmapColor& rCol0( pMaskReadAccess->GetPaletteColor( 0 ) ); 372cdf0e10cSrcweir const BitmapColor& rCol1( pMaskReadAccess->GetPaletteColor( 1 ) ); 373cdf0e10cSrcweir 374cdf0e10cSrcweir // shortcut for true luminance calculation 375cdf0e10cSrcweir // (assumes that palette is grey-level). Note the 376cdf0e10cSrcweir // swapped the indices here, to account for the 377cdf0e10cSrcweir // fact that VCL's notion of alpha is inverted to 378cdf0e10cSrcweir // the rest of the world's. 379cdf0e10cSrcweir aColorMap[0] = rCol1.GetRed(); 380cdf0e10cSrcweir aColorMap[1] = rCol0.GetRed(); 381cdf0e10cSrcweir 382cdf0e10cSrcweir for( y=0; y<nHeight; ++y ) 383cdf0e10cSrcweir { 384cdf0e10cSrcweir switch( pReadAccess->GetScanlineFormat() ) 385cdf0e10cSrcweir { 386cdf0e10cSrcweir case BMP_FORMAT_8BIT_PAL: 387cdf0e10cSrcweir { 388cdf0e10cSrcweir Scanline pScan = pReadAccess->GetScanline( y ); 389cdf0e10cSrcweir Scanline pMScan = pMaskReadAccess->GetScanline( y ); 390cdf0e10cSrcweir 391cdf0e10cSrcweir for( x=0, nCurrBit=nInitialBit; x<nWidth; ++x ) 392cdf0e10cSrcweir { 393cdf0e10cSrcweir aCol = pReadAccess->GetPaletteColor( *pScan++ ); 394cdf0e10cSrcweir 395cdf0e10cSrcweir *pCurrOutput++ = aCol.GetBlue(); 396cdf0e10cSrcweir *pCurrOutput++ = aCol.GetGreen(); 397cdf0e10cSrcweir *pCurrOutput++ = aCol.GetRed(); 398cdf0e10cSrcweir 399cdf0e10cSrcweir *pCurrOutput++ = aColorMap[ (pMScan[ (x & ~7L) >> 3L ] >> nCurrBit ) & nMask ]; 400cdf0e10cSrcweir nCurrBit = ((nCurrBit - 1) % 8L) & 7L; 401cdf0e10cSrcweir } 402cdf0e10cSrcweir } 403cdf0e10cSrcweir break; 404cdf0e10cSrcweir 405cdf0e10cSrcweir case BMP_FORMAT_24BIT_TC_BGR: 406cdf0e10cSrcweir { 407cdf0e10cSrcweir Scanline pScan = pReadAccess->GetScanline( y ); 408cdf0e10cSrcweir Scanline pMScan = pMaskReadAccess->GetScanline( y ); 409cdf0e10cSrcweir 410cdf0e10cSrcweir for( x=0, nCurrBit=nInitialBit; x<nWidth; ++x ) 411cdf0e10cSrcweir { 412cdf0e10cSrcweir // store as RGBA 413cdf0e10cSrcweir *pCurrOutput++ = *pScan++; 414cdf0e10cSrcweir *pCurrOutput++ = *pScan++; 415cdf0e10cSrcweir *pCurrOutput++ = *pScan++; 416cdf0e10cSrcweir 417cdf0e10cSrcweir *pCurrOutput++ = aColorMap[ (pMScan[ (x & ~7L) >> 3L ] >> nCurrBit ) & nMask ]; 418cdf0e10cSrcweir nCurrBit = ((nCurrBit - 1) % 8L) & 7L; 419cdf0e10cSrcweir } 420cdf0e10cSrcweir } 421cdf0e10cSrcweir break; 422cdf0e10cSrcweir 423cdf0e10cSrcweir // TODO(P2): Might be advantageous 424cdf0e10cSrcweir // to hand-formulate the following 425cdf0e10cSrcweir // formats, too. 426cdf0e10cSrcweir case BMP_FORMAT_1BIT_MSB_PAL: 427cdf0e10cSrcweir // FALLTHROUGH intended 428cdf0e10cSrcweir case BMP_FORMAT_4BIT_MSN_PAL: 429cdf0e10cSrcweir // FALLTHROUGH intended 430cdf0e10cSrcweir case BMP_FORMAT_16BIT_TC_LSB_MASK: 431cdf0e10cSrcweir // FALLTHROUGH intended 432cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_MASK: 433cdf0e10cSrcweir { 434cdf0e10cSrcweir Scanline pMScan = pMaskReadAccess->GetScanline( y ); 435cdf0e10cSrcweir 436cdf0e10cSrcweir // using fallback for those 437cdf0e10cSrcweir // seldom formats 438cdf0e10cSrcweir for( x=0, nCurrBit=nInitialBit; x<nWidth; ++x ) 439cdf0e10cSrcweir { 440cdf0e10cSrcweir // yes. x and y are swapped on Get/SetPixel 441cdf0e10cSrcweir aCol = pReadAccess->GetColor(y,x); 442cdf0e10cSrcweir 443cdf0e10cSrcweir // store as RGBA 444cdf0e10cSrcweir *pCurrOutput++ = aCol.GetBlue(); 445cdf0e10cSrcweir *pCurrOutput++ = aCol.GetGreen(); 446cdf0e10cSrcweir *pCurrOutput++ = aCol.GetRed(); 447cdf0e10cSrcweir 448cdf0e10cSrcweir *pCurrOutput++ = aColorMap[ (pMScan[ (x & ~7L) >> 3L ] >> nCurrBit ) & nMask ]; 449cdf0e10cSrcweir nCurrBit = ((nCurrBit - 1) % 8L) & 7L; 450cdf0e10cSrcweir } 451cdf0e10cSrcweir } 452cdf0e10cSrcweir break; 453cdf0e10cSrcweir 454cdf0e10cSrcweir case BMP_FORMAT_1BIT_LSB_PAL: 455cdf0e10cSrcweir // FALLTHROUGH intended 456cdf0e10cSrcweir case BMP_FORMAT_4BIT_LSN_PAL: 457cdf0e10cSrcweir // FALLTHROUGH intended 458cdf0e10cSrcweir case BMP_FORMAT_8BIT_TC_MASK: 459cdf0e10cSrcweir // FALLTHROUGH intended 460cdf0e10cSrcweir case BMP_FORMAT_24BIT_TC_RGB: 461cdf0e10cSrcweir // FALLTHROUGH intended 462cdf0e10cSrcweir case BMP_FORMAT_24BIT_TC_MASK: 463cdf0e10cSrcweir // FALLTHROUGH intended 464cdf0e10cSrcweir case BMP_FORMAT_16BIT_TC_MSB_MASK: 465cdf0e10cSrcweir // FALLTHROUGH intended 466cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_ABGR: 467cdf0e10cSrcweir // FALLTHROUGH intended 468cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_ARGB: 469cdf0e10cSrcweir // FALLTHROUGH intended 470cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_BGRA: 471cdf0e10cSrcweir // FALLTHROUGH intended 472cdf0e10cSrcweir case BMP_FORMAT_32BIT_TC_RGBA: 473cdf0e10cSrcweir // FALLTHROUGH intended 474cdf0e10cSrcweir default: 475cdf0e10cSrcweir ENSURE_OR_THROW( false, 476cdf0e10cSrcweir "::dxcanvas::tools::bitmapFromVCLBitmapEx(): " 477cdf0e10cSrcweir "Unexpected scanline format - has " 478cdf0e10cSrcweir "WinSalBitmap::AcquireBuffer() changed?" ); 479cdf0e10cSrcweir } 480cdf0e10cSrcweir } 481cdf0e10cSrcweir } 482cdf0e10cSrcweir 483cdf0e10cSrcweir return aBmpData; 484cdf0e10cSrcweir } 485cdf0e10cSrcweir drawVCLBitmapEx(const::boost::shared_ptr<Gdiplus::Graphics> & rGraphics,const::BitmapEx & rBmpEx)486cdf0e10cSrcweir bool drawVCLBitmapEx( const ::boost::shared_ptr< Gdiplus::Graphics >& rGraphics, 487cdf0e10cSrcweir const ::BitmapEx& rBmpEx ) 488cdf0e10cSrcweir { 489cdf0e10cSrcweir if( !rBmpEx.IsTransparent() ) 490cdf0e10cSrcweir { 491cdf0e10cSrcweir Bitmap aBmp( rBmpEx.GetBitmap() ); 492cdf0e10cSrcweir return drawVCLBitmap( rGraphics, aBmp ); 493cdf0e10cSrcweir } 494cdf0e10cSrcweir else 495cdf0e10cSrcweir { 496cdf0e10cSrcweir return drawRGBABits( rGraphics, 497cdf0e10cSrcweir bitmapFromVCLBitmapEx( rBmpEx ) ); 498cdf0e10cSrcweir } 499cdf0e10cSrcweir } 500cdf0e10cSrcweir } 501cdf0e10cSrcweir drawVCLBitmapFromXBitmap(const::boost::shared_ptr<Gdiplus::Graphics> & rGraphics,const uno::Reference<rendering::XBitmap> & xBitmap)502cdf0e10cSrcweir bool drawVCLBitmapFromXBitmap( const ::boost::shared_ptr< Gdiplus::Graphics >& rGraphics, 503cdf0e10cSrcweir const uno::Reference< rendering::XBitmap >& xBitmap ) 504cdf0e10cSrcweir { 505cdf0e10cSrcweir // TODO(F2): add support for floating point bitmap formats 506cdf0e10cSrcweir uno::Reference< rendering::XIntegerReadOnlyBitmap > xIntBmp( 507cdf0e10cSrcweir xBitmap, uno::UNO_QUERY ); 508cdf0e10cSrcweir 509cdf0e10cSrcweir if( !xIntBmp.is() ) 510cdf0e10cSrcweir return false; 511cdf0e10cSrcweir 512cdf0e10cSrcweir ::BitmapEx aBmpEx = ::vcl::unotools::bitmapExFromXBitmap( xIntBmp ); 513cdf0e10cSrcweir if( !aBmpEx ) 514cdf0e10cSrcweir return false; 515cdf0e10cSrcweir 516cdf0e10cSrcweir return drawVCLBitmapEx( rGraphics, aBmpEx ); 517cdf0e10cSrcweir } 518cdf0e10cSrcweir } 519cdf0e10cSrcweir } 520