INTEGRATION: CWS canvas05 (1.2.2); FILE MERGED

2008/04/21 07:29:51 thb 1.2.2.5: RESYNC: (1.2-1.3); FILE MERGED
2008/04/06 23:48:37 thb 1.2.2.4: Fixing build breakage under Win32
2008/04/04 09:00:13 thb 1.2.2.3: Merging emf+ changes for dx canvas
2008/01/22 00:25:23 thb 1.2.2.2: #i81092# Making gdiplus and dx canvas more independent
2007/12/20 22:18:57 thb 1.2.2.1: #i81092# #i78888# #i78925# #i79258# #i79437# #i84784# Large canvas rework, completing various areas such as color spaces, bitmap data access, true sprite and non-sprite implementations, and upstreaming the canvas parts of rodos emf+ rendering
This commit is contained in:
Kurt Zenker
2008-06-24 09:31:46 +00:00
parent d6b9f60936
commit ead48306fd

View File

@@ -7,7 +7,7 @@
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: dx_canvasbitmap.cxx,v $
* $Revision: 1.3 $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
@@ -28,9 +28,19 @@
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_canvas.hxx"
#include <ctype.h> // don't ask. msdev breaks otherwise...
#include <canvas/debug.hxx>
#include <canvas/canvastools.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/bitmapex.hxx>
#include <boost/preprocessor/repetition.hpp>
#include <boost/preprocessor/iteration/local.hpp>
#include <boost/scoped_array.hpp>
#include "dx_canvasbitmap.hxx"
#include "dx_impltools.hxx"
@@ -40,28 +50,212 @@ using namespace ::com::sun::star;
namespace dxcanvas
{
CanvasBitmap::CanvasBitmap( const DXBitmapSharedPtr& rSurface,
const DeviceRef& rDevice ) :
CanvasBitmap::CanvasBitmap( const IBitmapSharedPtr& rBitmap,
const DeviceRef& rDevice ) :
mpDevice( rDevice ),
mpSurface( rSurface )
mpBitmap( rBitmap )
{
ENSURE_AND_THROW( mpDevice.is() && rSurface,
"CanvasBitmap::CanvasBitmap(): Invalid surface or device" );
ENSURE_OR_THROW( mpDevice.is() && mpBitmap,
"CanvasBitmap::CanvasBitmap(): Invalid surface or device" );
maCanvasHelper.setDevice( *mpDevice.get() );
maCanvasHelper.setTarget( rSurface,
::basegfx::B2ISize() );
maCanvasHelper.setTarget( mpBitmap );
}
void SAL_CALL CanvasBitmap::disposing()
{
mpSurface.reset();
mpBitmap.reset();
mpDevice.clear();
// forward to parent
CanvasBitmap_Base::disposing();
}
struct AlphaDIB
{
BITMAPINFOHEADER bmiHeader;
RGBQUAD bmiColors[256];
};
uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle ) throw (uno::RuntimeException)
{
uno::Any aRes;
// 0 ... get BitmapEx
// 1 ... get Pixbuf with bitmap RGB content
// 2 ... get Pixbuf with bitmap alpha mask
switch( nHandle )
{
// sorry, no BitmapEx here...
case 0:
aRes = ::com::sun::star::uno::Any( reinterpret_cast<sal_Int64>( (BitmapEx*) NULL ) );
break;
case 1:
{
if(!mpBitmap->hasAlpha())
{
HBITMAP aHBmp;
mpBitmap->getBitmap()->GetHBITMAP(Gdiplus::Color(), &aHBmp );
uno::Sequence< uno::Any > args(1);
args[0] = uno::Any( sal_Int64(aHBmp) );
aRes <<= args;
}
else
{
// need to copy&convert the bitmap, since dx
// canvas uses inline alpha channel
HDC hScreenDC=GetDC(NULL);
const basegfx::B2IVector aSize(mpBitmap->getSize());
HBITMAP hBmpBitmap = CreateCompatibleBitmap( hScreenDC,
aSize.getX(),
aSize.getY() );
if( !hBmpBitmap )
return aRes;
BITMAPINFOHEADER aBIH;
aBIH.biSize = sizeof( BITMAPINFOHEADER );
aBIH.biWidth = aSize.getX();
aBIH.biHeight = -aSize.getY();
aBIH.biPlanes = 1;
aBIH.biBitCount = 32;
aBIH.biCompression = BI_RGB; // expects pixel in
// bbggrrxx format
// (little endian)
aBIH.biSizeImage = 0;
aBIH.biXPelsPerMeter = 0;
aBIH.biYPelsPerMeter = 0;
aBIH.biClrUsed = 0;
aBIH.biClrImportant = 0;
Gdiplus::BitmapData aBmpData;
aBmpData.Width = aSize.getX();
aBmpData.Height = aSize.getY();
aBmpData.Stride = 4*aBmpData.Width;
aBmpData.PixelFormat = PixelFormat32bppARGB;
aBmpData.Scan0 = NULL;
const Gdiplus::Rect aRect( 0,0,aSize.getX(),aSize.getY() );
BitmapSharedPtr pGDIPlusBitmap=mpBitmap->getBitmap();
if( Gdiplus::Ok != pGDIPlusBitmap->LockBits( &aRect,
Gdiplus::ImageLockModeRead,
PixelFormat32bppARGB, // outputs ARGB (big endian)
&aBmpData ) )
{
// failed to lock, bail out
return aRes;
}
// now aBmpData.Scan0 contains our bits - push
// them into HBITMAP, ignoring alpha
SetDIBits( hScreenDC, hBmpBitmap, 0, aSize.getY(), aBmpData.Scan0, (PBITMAPINFO)&aBIH, DIB_RGB_COLORS );
pGDIPlusBitmap->UnlockBits( &aBmpData );
uno::Sequence< uno::Any > args(1);
args[0] = uno::Any( sal_Int64(hBmpBitmap) );
aRes <<= args;
}
}
break;
case 2:
{
if(!mpBitmap->hasAlpha())
{
return aRes;
}
else
{
static AlphaDIB aDIB=
{
{0,0,0,1,8,BI_RGB,0,0,0,0,0},
{
// this here fills palette with grey
// level colors, starting from 0,0,0
// up to 255,255,255
#define BOOST_PP_LOCAL_MACRO(n_) \
BOOST_PP_COMMA_IF(n_) \
{n_,n_,n_,n_}
#define BOOST_PP_LOCAL_LIMITS (0, 255)
#include BOOST_PP_LOCAL_ITERATE()
}
};
// need to copy&convert the bitmap, since dx
// canvas uses inline alpha channel
HDC hScreenDC=GetDC(NULL);
const basegfx::B2IVector aSize(mpBitmap->getSize());
HBITMAP hBmpBitmap = CreateCompatibleBitmap( hScreenDC, aSize.getX(), aSize.getY() );
if( !hBmpBitmap )
return aRes;
aDIB.bmiHeader.biSize = sizeof( BITMAPINFOHEADER );
aDIB.bmiHeader.biWidth = aSize.getX();
aDIB.bmiHeader.biHeight = -aSize.getY();
aDIB.bmiHeader.biPlanes = 1;
aDIB.bmiHeader.biBitCount = 8;
aDIB.bmiHeader.biCompression = BI_RGB;
aDIB.bmiHeader.biSizeImage = 0;
aDIB.bmiHeader.biXPelsPerMeter = 0;
aDIB.bmiHeader.biYPelsPerMeter = 0;
aDIB.bmiHeader.biClrUsed = 0;
aDIB.bmiHeader.biClrImportant = 0;
Gdiplus::BitmapData aBmpData;
aBmpData.Width = aSize.getX();
aBmpData.Height = aSize.getY();
aBmpData.Stride = 4*aBmpData.Width;
aBmpData.PixelFormat = PixelFormat32bppARGB;
aBmpData.Scan0 = NULL;
const Gdiplus::Rect aRect( 0,0,aSize.getX(),aSize.getY() );
BitmapSharedPtr pGDIPlusBitmap=mpBitmap->getBitmap();
if( Gdiplus::Ok != pGDIPlusBitmap->LockBits( &aRect,
Gdiplus::ImageLockModeRead,
PixelFormat32bppARGB, // outputs ARGB (big endian)
&aBmpData ) )
{
// failed to lock, bail out
return aRes;
}
// copy only alpha channel to pAlphaBits
const sal_Int32 nScanWidth((aSize.getX() + 3) & ~3);
boost::scoped_array<sal_uInt8> pAlphaBits( new sal_uInt8[nScanWidth*aSize.getY()] );
const sal_uInt8* pInBits=(sal_uInt8*)aBmpData.Scan0;
pInBits+=3;
sal_uInt8* pOutBits;
for( sal_Int32 y=0; y<aSize.getY(); ++y )
{
pOutBits=pAlphaBits.get()+y*nScanWidth;
for( sal_Int32 x=0; x<aSize.getX(); ++x )
{
*pOutBits++ = 255-*pInBits;
pInBits += 4;
}
}
pGDIPlusBitmap->UnlockBits( &aBmpData );
// set bits to newly create HBITMAP
SetDIBits( hScreenDC, hBmpBitmap, 0,
aSize.getY(), pAlphaBits.get(),
(PBITMAPINFO)&aDIB, DIB_RGB_COLORS );
uno::Sequence< uno::Any > args(1);
args[0] = uno::Any( sal_Int64(hBmpBitmap) );
aRes <<= args;
}
}
break;
}
return aRes;
}
#define IMPLEMENTATION_NAME "DXCanvas.CanvasBitmap"
#define SERVICE_NAME "com.sun.star.rendering.CanvasBitmap"