diff options
Diffstat (limited to 'vcl/win/gdi/salgdi.cxx')
| -rw-r--r-- | vcl/win/gdi/salgdi.cxx | 1120 |
1 files changed, 1120 insertions, 0 deletions
diff --git a/vcl/win/gdi/salgdi.cxx b/vcl/win/gdi/salgdi.cxx new file mode 100644 index 000000000..ee231f1ac --- /dev/null +++ b/vcl/win/gdi/salgdi.cxx @@ -0,0 +1,1120 @@ +/* -*- 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 <string.h> +#include <svsys.h> +#include <rtl/strbuf.hxx> +#include <tools/poly.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <win/wincomp.hxx> +#include <win/saldata.hxx> +#include <win/salgdi.h> +#include <win/salframe.h> +#include <win/salvd.h> +#include <win/winlayout.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> + +#include <salgdiimpl.hxx> +#include "gdiimpl.hxx" + +#include <config_features.h> +#include <vcl/skia/SkiaHelper.hxx> +#if HAVE_FEATURE_SKIA +#include <skia/win/gdiimpl.hxx> +#endif + + +#define DITHER_PAL_DELTA 51 +#define DITHER_PAL_STEPS 6 +#define DITHER_PAL_COUNT (DITHER_PAL_STEPS*DITHER_PAL_STEPS*DITHER_PAL_STEPS) +#define DITHER_MAX_SYSCOLOR 16 +#define DITHER_EXTRA_COLORS 1 + +namespace +{ + +struct SysColorEntry +{ + DWORD nRGB; + SysColorEntry* pNext; +}; + +SysColorEntry* pFirstSysColor = nullptr; +SysColorEntry* pActSysColor = nullptr; + +void DeleteSysColorList() +{ + SysColorEntry* pEntry = pFirstSysColor; + pActSysColor = pFirstSysColor = nullptr; + + while( pEntry ) + { + SysColorEntry* pTmp = pEntry->pNext; + delete pEntry; + pEntry = pTmp; + } +} + +} // namespace + +// Blue7 +static PALETTEENTRY aImplExtraColor1 = +{ + 0, 184, 255, 0 +}; + +static PALETTEENTRY aImplSalSysPalEntryAry[ DITHER_MAX_SYSCOLOR ] = +{ +{ 0, 0, 0, 0 }, +{ 0, 0, 0x80, 0 }, +{ 0, 0x80, 0, 0 }, +{ 0, 0x80, 0x80, 0 }, +{ 0x80, 0, 0, 0 }, +{ 0x80, 0, 0x80, 0 }, +{ 0x80, 0x80, 0, 0 }, +{ 0x80, 0x80, 0x80, 0 }, +{ 0xC0, 0xC0, 0xC0, 0 }, +{ 0, 0, 0xFF, 0 }, +{ 0, 0xFF, 0, 0 }, +{ 0, 0xFF, 0xFF, 0 }, +{ 0xFF, 0, 0, 0 }, +{ 0xFF, 0, 0xFF, 0 }, +{ 0xFF, 0xFF, 0, 0 }, +{ 0xFF, 0xFF, 0xFF, 0 } +}; + +// we must create pens with 1-pixel width; otherwise the S3-graphics card +// map has many paint problems when drawing polygons/polyLines and a +// complex is set +#define GSL_PEN_WIDTH 1 + +void ImplInitSalGDI() +{ + SalData* pSalData = GetSalData(); + + pSalData->mbResourcesAlreadyFreed = false; + + // init stock brushes + pSalData->maStockPenColorAry[0] = PALETTERGB( 0, 0, 0 ); + pSalData->maStockPenColorAry[1] = PALETTERGB( 0xFF, 0xFF, 0xFF ); + pSalData->maStockPenColorAry[2] = PALETTERGB( 0xC0, 0xC0, 0xC0 ); + pSalData->maStockPenColorAry[3] = PALETTERGB( 0x80, 0x80, 0x80 ); + pSalData->mhStockPenAry[0] = CreatePen( PS_SOLID, GSL_PEN_WIDTH, pSalData->maStockPenColorAry[0] ); + pSalData->mhStockPenAry[1] = CreatePen( PS_SOLID, GSL_PEN_WIDTH, pSalData->maStockPenColorAry[1] ); + pSalData->mhStockPenAry[2] = CreatePen( PS_SOLID, GSL_PEN_WIDTH, pSalData->maStockPenColorAry[2] ); + pSalData->mhStockPenAry[3] = CreatePen( PS_SOLID, GSL_PEN_WIDTH, pSalData->maStockPenColorAry[3] ); + pSalData->mnStockPenCount = 4; + + pSalData->maStockBrushColorAry[0] = PALETTERGB( 0, 0, 0 ); + pSalData->maStockBrushColorAry[1] = PALETTERGB( 0xFF, 0xFF, 0xFF ); + pSalData->maStockBrushColorAry[2] = PALETTERGB( 0xC0, 0xC0, 0xC0 ); + pSalData->maStockBrushColorAry[3] = PALETTERGB( 0x80, 0x80, 0x80 ); + pSalData->mhStockBrushAry[0] = CreateSolidBrush( pSalData->maStockBrushColorAry[0] ); + pSalData->mhStockBrushAry[1] = CreateSolidBrush( pSalData->maStockBrushColorAry[1] ); + pSalData->mhStockBrushAry[2] = CreateSolidBrush( pSalData->maStockBrushColorAry[2] ); + pSalData->mhStockBrushAry[3] = CreateSolidBrush( pSalData->maStockBrushColorAry[3] ); + pSalData->mnStockBrushCount = 4; + + // initialize cache of device contexts + pSalData->mpHDCCache = new HDCCache[ CACHESIZE_HDC ]; + memset( pSalData->mpHDCCache, 0, CACHESIZE_HDC * sizeof( HDCCache ) ); + + // initialize temporary font lists + pSalData->mpSharedTempFontItem = nullptr; + pSalData->mpOtherTempFontItem = nullptr; + + // support palettes for 256 color displays + HDC hDC = GetDC( nullptr ); + int nBitsPixel = GetDeviceCaps( hDC, BITSPIXEL ); + int nPlanes = GetDeviceCaps( hDC, PLANES ); + int nRasterCaps = GetDeviceCaps( hDC, RASTERCAPS ); + int nBitCount = nBitsPixel * nPlanes; + + if ( (nBitCount > 8) && (nBitCount < 24) ) + { + // test if we have to dither + HDC hMemDC = ::CreateCompatibleDC( hDC ); + HBITMAP hMemBmp = ::CreateCompatibleBitmap( hDC, 8, 8 ); + HBITMAP hBmpOld = static_cast<HBITMAP>(::SelectObject( hMemDC, hMemBmp )); + HBRUSH hMemBrush = ::CreateSolidBrush( PALETTERGB( 175, 171, 169 ) ); + HBRUSH hBrushOld = static_cast<HBRUSH>(::SelectObject( hMemDC, hMemBrush )); + bool bDither16 = true; + + ::PatBlt( hMemDC, 0, 0, 8, 8, PATCOPY ); + const COLORREF aCol( ::GetPixel( hMemDC, 0, 0 ) ); + + for( int nY = 0; ( nY < 8 ) && bDither16; nY++ ) + for( int nX = 0; ( nX < 8 ) && bDither16; nX++ ) + if( ::GetPixel( hMemDC, nX, nY ) != aCol ) + bDither16 = false; + + ::SelectObject( hMemDC, hBrushOld ); + ::DeleteObject( hMemBrush ); + ::SelectObject( hMemDC, hBmpOld ); + ::DeleteObject( hMemBmp ); + ::DeleteDC( hMemDC ); + + if( bDither16 ) + { + // create DIBPattern for 16Bit dithering + tools::Long n; + + pSalData->mhDitherDIB = GlobalAlloc( GMEM_FIXED, sizeof( BITMAPINFOHEADER ) + 192 ); + pSalData->mpDitherDIB = static_cast<BYTE*>(GlobalLock( pSalData->mhDitherDIB )); + pSalData->mpDitherDiff = new tools::Long[ 256 ]; + pSalData->mpDitherLow = new BYTE[ 256 ]; + pSalData->mpDitherHigh = new BYTE[ 256 ]; + pSalData->mpDitherDIBData = pSalData->mpDitherDIB + sizeof( BITMAPINFOHEADER ); + memset( pSalData->mpDitherDIB, 0, sizeof( BITMAPINFOHEADER ) ); + + BITMAPINFOHEADER* pBIH = reinterpret_cast<BITMAPINFOHEADER*>(pSalData->mpDitherDIB); + + pBIH->biSize = sizeof( BITMAPINFOHEADER ); + pBIH->biWidth = 8; + pBIH->biHeight = 8; + pBIH->biPlanes = 1; + pBIH->biBitCount = 24; + + for( n = 0; n < 256; n++ ) + pSalData->mpDitherDiff[ n ] = n - ( n & 248L ); + + for( n = 0; n < 256; n++ ) + pSalData->mpDitherLow[ n ] = static_cast<BYTE>( n & 248 ); + + for( n = 0; n < 256; n++ ) + pSalData->mpDitherHigh[ n ] = static_cast<BYTE>(std::min( pSalData->mpDitherLow[ n ] + 8, 255 )); + } + } + else if ( (nRasterCaps & RC_PALETTE) && (nBitCount == 8) ) + { + BYTE nRed, nGreen, nBlue; + BYTE nR, nG, nB; + PALETTEENTRY* pPalEntry; + LOGPALETTE* pLogPal; + const sal_uInt16 nDitherPalCount = DITHER_PAL_COUNT; + sal_uLong nTotalCount = DITHER_MAX_SYSCOLOR + nDitherPalCount + DITHER_EXTRA_COLORS; + + // create logical palette + pLogPal = reinterpret_cast<LOGPALETTE*>(new char[ sizeof( LOGPALETTE ) + ( nTotalCount * sizeof( PALETTEENTRY ) ) ]); + pLogPal->palVersion = 0x0300; + pLogPal->palNumEntries = static_cast<sal_uInt16>(nTotalCount); + pPalEntry = pLogPal->palPalEntry; + + // Standard colors + memcpy( pPalEntry, aImplSalSysPalEntryAry, DITHER_MAX_SYSCOLOR * sizeof( PALETTEENTRY ) ); + pPalEntry += DITHER_MAX_SYSCOLOR; + + // own palette (6/6/6) + for( nB=0, nBlue=0; nB < DITHER_PAL_STEPS; nB++, nBlue += DITHER_PAL_DELTA ) + { + for( nG=0, nGreen=0; nG < DITHER_PAL_STEPS; nG++, nGreen += DITHER_PAL_DELTA ) + { + for( nR=0, nRed=0; nR < DITHER_PAL_STEPS; nR++, nRed += DITHER_PAL_DELTA ) + { + pPalEntry->peRed = nRed; + pPalEntry->peGreen = nGreen; + pPalEntry->peBlue = nBlue; + pPalEntry->peFlags = 0; + pPalEntry++; + } + } + } + + // insert special 'Blue' as standard drawing color + *pPalEntry++ = aImplExtraColor1; + + // create palette + pSalData->mhDitherPal = CreatePalette( pLogPal ); + delete[] reinterpret_cast<char*>(pLogPal); + + if( pSalData->mhDitherPal ) + { + // create DIBPattern for 8Bit dithering + tools::Long const nSize = sizeof( BITMAPINFOHEADER ) + ( 256 * sizeof( short ) ) + 64; + tools::Long n; + + pSalData->mhDitherDIB = GlobalAlloc( GMEM_FIXED, nSize ); + pSalData->mpDitherDIB = static_cast<BYTE*>(GlobalLock( pSalData->mhDitherDIB )); + pSalData->mpDitherDiff = new tools::Long[ 256 ]; + pSalData->mpDitherLow = new BYTE[ 256 ]; + pSalData->mpDitherHigh = new BYTE[ 256 ]; + pSalData->mpDitherDIBData = pSalData->mpDitherDIB + sizeof( BITMAPINFOHEADER ) + ( 256 * sizeof( short ) ); + memset( pSalData->mpDitherDIB, 0, sizeof( BITMAPINFOHEADER ) ); + + BITMAPINFOHEADER* pBIH = reinterpret_cast<BITMAPINFOHEADER*>(pSalData->mpDitherDIB); + short* pColors = reinterpret_cast<short*>( pSalData->mpDitherDIB + sizeof( BITMAPINFOHEADER ) ); + + pBIH->biSize = sizeof( BITMAPINFOHEADER ); + pBIH->biWidth = 8; + pBIH->biHeight = 8; + pBIH->biPlanes = 1; + pBIH->biBitCount = 8; + + for( n = 0; n < nDitherPalCount; n++ ) + pColors[ n ] = static_cast<short>( n + DITHER_MAX_SYSCOLOR ); + + for( n = 0; n < 256; n++ ) + pSalData->mpDitherDiff[ n ] = n % 51; + + for( n = 0; n < 256; n++ ) + pSalData->mpDitherLow[ n ] = static_cast<BYTE>( n / 51 ); + + for( n = 0; n < 256; n++ ) + pSalData->mpDitherHigh[ n ] = static_cast<BYTE>(std::min( pSalData->mpDitherLow[ n ] + 1, 5 )); + } + + // get system color entries + ImplUpdateSysColorEntries(); + } + + ReleaseDC( nullptr, hDC ); +} + +void ImplFreeSalGDI() +{ + SalData* pSalData = GetSalData(); + + if (pSalData->mbResourcesAlreadyFreed) + return; + + // destroy stock objects + int i; + for ( i = 0; i < pSalData->mnStockPenCount; i++ ) + DeletePen( pSalData->mhStockPenAry[i] ); + for ( i = 0; i < pSalData->mnStockBrushCount; i++ ) + DeleteBrush( pSalData->mhStockBrushAry[i] ); + + // delete 50% Brush + if ( pSalData->mh50Brush ) + { + DeleteBrush( pSalData->mh50Brush ); + pSalData->mh50Brush = nullptr; + } + + // delete 50% Bitmap + if ( pSalData->mh50Bmp ) + { + DeleteBitmap( pSalData->mh50Bmp ); + pSalData->mh50Bmp = nullptr; + } + + ImplClearHDCCache( pSalData ); + delete[] pSalData->mpHDCCache; + + // delete Ditherpalette, if existing + if ( pSalData->mhDitherPal ) + { + DeleteObject( pSalData->mhDitherPal ); + pSalData->mhDitherPal = nullptr; + } + + // delete buffers for dithering DIB patterns, if necessary + if ( pSalData->mhDitherDIB ) + { + GlobalUnlock( pSalData->mhDitherDIB ); + GlobalFree( pSalData->mhDitherDIB ); + pSalData->mhDitherDIB = nullptr; + delete[] pSalData->mpDitherDiff; + delete[] pSalData->mpDitherLow; + delete[] pSalData->mpDitherHigh; + } + + DeleteSysColorList(); + + // delete icon cache + SalIcon* pIcon = pSalData->mpFirstIcon; + pSalData->mpFirstIcon = nullptr; + while( pIcon ) + { + SalIcon* pTmp = pIcon->pNext; + DestroyIcon( pIcon->hIcon ); + DestroyIcon( pIcon->hSmallIcon ); + delete pIcon; + pIcon = pTmp; + } + + // delete temporary font list + ImplReleaseTempFonts(*pSalData, true); + + pSalData->mbResourcesAlreadyFreed = true; +} + +int ImplIsSysColorEntry( Color nColor ) +{ + SysColorEntry* pEntry = pFirstSysColor; + const DWORD nTestRGB = static_cast<DWORD>(RGB( nColor.GetRed(), + nColor.GetGreen(), + nColor.GetBlue() )); + + while ( pEntry ) + { + if ( pEntry->nRGB == nTestRGB ) + return TRUE; + pEntry = pEntry->pNext; + } + + return FALSE; +} + +static int ImplIsPaletteEntry( BYTE nRed, BYTE nGreen, BYTE nBlue ) +{ + // dither color? + if ( !(nRed % DITHER_PAL_DELTA) && !(nGreen % DITHER_PAL_DELTA) && !(nBlue % DITHER_PAL_DELTA) ) + return TRUE; + + PALETTEENTRY* pPalEntry = aImplSalSysPalEntryAry; + + // standard palette color? + for ( sal_uInt16 i = 0; i < DITHER_MAX_SYSCOLOR; i++, pPalEntry++ ) + { + if( pPalEntry->peRed == nRed && pPalEntry->peGreen == nGreen && pPalEntry->peBlue == nBlue ) + return TRUE; + } + + // extra color? + if ( aImplExtraColor1.peRed == nRed && + aImplExtraColor1.peGreen == nGreen && + aImplExtraColor1.peBlue == nBlue ) + { + return TRUE; + } + + return FALSE; +} + +static void ImplInsertSysColorEntry( int nSysIndex ) +{ + const DWORD nRGB = GetSysColor( nSysIndex ); + + if ( !ImplIsPaletteEntry( GetRValue( nRGB ), GetGValue( nRGB ), GetBValue( nRGB ) ) ) + { + if ( !pFirstSysColor ) + { + pActSysColor = pFirstSysColor = new SysColorEntry; + pFirstSysColor->nRGB = nRGB; + pFirstSysColor->pNext = nullptr; + } + else + { + pActSysColor = pActSysColor->pNext = new SysColorEntry; + pActSysColor->nRGB = nRGB; + pActSysColor->pNext = nullptr; + } + } +} + +void ImplUpdateSysColorEntries() +{ + DeleteSysColorList(); + + // create new sys color list + ImplInsertSysColorEntry( COLOR_ACTIVEBORDER ); + ImplInsertSysColorEntry( COLOR_INACTIVEBORDER ); + ImplInsertSysColorEntry( COLOR_GRADIENTACTIVECAPTION ); + ImplInsertSysColorEntry( COLOR_GRADIENTINACTIVECAPTION ); + ImplInsertSysColorEntry( COLOR_3DFACE ); + ImplInsertSysColorEntry( COLOR_3DHILIGHT ); + ImplInsertSysColorEntry( COLOR_3DLIGHT ); + ImplInsertSysColorEntry( COLOR_3DSHADOW ); + ImplInsertSysColorEntry( COLOR_3DDKSHADOW ); + ImplInsertSysColorEntry( COLOR_INFOBK ); + ImplInsertSysColorEntry( COLOR_INFOTEXT ); + ImplInsertSysColorEntry( COLOR_BTNTEXT ); + ImplInsertSysColorEntry( COLOR_WINDOW ); + ImplInsertSysColorEntry( COLOR_WINDOWTEXT ); + ImplInsertSysColorEntry( COLOR_HIGHLIGHT ); + ImplInsertSysColorEntry( COLOR_HIGHLIGHTTEXT ); + ImplInsertSysColorEntry( COLOR_MENU ); + ImplInsertSysColorEntry( COLOR_MENUTEXT ); + ImplInsertSysColorEntry( COLOR_ACTIVECAPTION ); + ImplInsertSysColorEntry( COLOR_CAPTIONTEXT ); + ImplInsertSysColorEntry( COLOR_INACTIVECAPTION ); + ImplInsertSysColorEntry( COLOR_INACTIVECAPTIONTEXT ); +} + +void WinSalGraphics::InitGraphics() +{ + if (!getHDC()) + return; + + // calculate the minimal line width for the printer + if ( isPrinter() ) + { + int nDPIX = GetDeviceCaps( getHDC(), LOGPIXELSX ); + if ( nDPIX <= 300 ) + mnPenWidth = 0; + else + mnPenWidth = nDPIX/300; + } + + ::SetTextAlign( getHDC(), TA_BASELINE | TA_LEFT | TA_NOUPDATECP ); + ::SetBkMode( getHDC(), TRANSPARENT ); + ::SetROP2( getHDC(), R2_COPYPEN ); + + mpImpl->Init(); +} + +void WinSalGraphics::DeInitGraphics() +{ + if (!getHDC()) + return; + + // clear clip region + SelectClipRgn( getHDC(), nullptr ); + // select default objects + if ( mhDefPen ) + { + SelectPen( getHDC(), mhDefPen ); + mhDefPen = nullptr; + } + if ( mhDefBrush ) + { + SelectBrush( getHDC(), mhDefBrush ); + mhDefBrush = nullptr; + } + if ( mhDefFont ) + { + SelectFont( getHDC(), mhDefFont ); + mhDefFont = nullptr; + } + setPalette(nullptr); + + mpImpl->DeInit(); +} + +void WinSalGraphics::setHDC(HDC aNew) +{ + DeInitGraphics(); + mhLocalDC = aNew; + InitGraphics(); +} + +HDC ImplGetCachedDC( sal_uLong nID, HBITMAP hBmp ) +{ + SalData* pSalData = GetSalData(); + HDCCache* pC = &pSalData->mpHDCCache[ nID ]; + + if( !pC->mhDC ) + { + HDC hDC = GetDC( nullptr ); + + // create new DC with DefaultBitmap + pC->mhDC = CreateCompatibleDC( hDC ); + + if( pSalData->mhDitherPal ) + { + pC->mhDefPal = SelectPalette( pC->mhDC, pSalData->mhDitherPal, TRUE ); + RealizePalette( pC->mhDC ); + } + + pC->mhSelBmp = CreateCompatibleBitmap( hDC, CACHED_HDC_DEFEXT, CACHED_HDC_DEFEXT ); + pC->mhDefBmp = static_cast<HBITMAP>(SelectObject( pC->mhDC, pC->mhSelBmp )); + + ReleaseDC( nullptr, hDC ); + } + + if ( hBmp ) + SelectObject( pC->mhDC, pC->mhActBmp = hBmp ); + else + pC->mhActBmp = nullptr; + + return pC->mhDC; +} + +void ImplReleaseCachedDC( sal_uLong nID ) +{ + SalData* pSalData = GetSalData(); + HDCCache* pC = &pSalData->mpHDCCache[ nID ]; + + if ( pC->mhActBmp ) + SelectObject( pC->mhDC, pC->mhSelBmp ); +} + +void ImplClearHDCCache( SalData* pData ) +{ + for( sal_uLong i = 0; i < CACHESIZE_HDC; i++ ) + { + HDCCache* pC = &pData->mpHDCCache[ i ]; + + if( pC->mhDC ) + { + SelectObject( pC->mhDC, pC->mhDefBmp ); + + if( pC->mhDefPal ) + SelectPalette( pC->mhDC, pC->mhDefPal, TRUE ); + + DeleteDC( pC->mhDC ); + DeleteObject( pC->mhSelBmp ); + } + } +} + +std::unique_ptr< CompatibleDC > CompatibleDC::create(SalGraphics &rGraphics, int x, int y, int width, int height) +{ +#if HAVE_FEATURE_SKIA + if (SkiaHelper::isVCLSkiaEnabled()) + return std::make_unique< SkiaCompatibleDC >( rGraphics, x, y, width, height ); +#endif + return std::unique_ptr< CompatibleDC >( new CompatibleDC( rGraphics, x, y, width, height )); +} + +CompatibleDC::CompatibleDC(SalGraphics &rGraphics, int x, int y, int width, int height, bool disable) + : mhBitmap(nullptr) + , mpData(nullptr) + , maRects(0, 0, width, height, x, y, width, height) + , mpImpl(nullptr) +{ + WinSalGraphics& rWinGraphics = static_cast<WinSalGraphics&>(rGraphics); + + if( disable ) + { + // we avoid the OpenGL drawing, instead we draw directly to the DC + mhCompatibleDC = rWinGraphics.getHDC(); + return; + } + + mpImpl = dynamic_cast<WinSalGraphicsImplBase*>(rWinGraphics.GetImpl()); + assert(mpImpl != nullptr); + mhCompatibleDC = CreateCompatibleDC(rWinGraphics.getHDC()); + + // move the origin so that we always paint at 0,0 - to keep the bitmap + // small + OffsetViewportOrgEx(mhCompatibleDC, -x, -y, nullptr); + + mhBitmap = WinSalVirtualDevice::ImplCreateVirDevBitmap(mhCompatibleDC, width, height, 32, reinterpret_cast<void **>(&mpData)); + + mhOrigBitmap = static_cast<HBITMAP>(SelectObject(mhCompatibleDC, mhBitmap)); +} + +CompatibleDC::~CompatibleDC() +{ + if (mpImpl) + { + SelectObject(mhCompatibleDC, mhOrigBitmap); + DeleteObject(mhBitmap); + DeleteDC(mhCompatibleDC); + } +} + +void CompatibleDC::fill(sal_uInt32 color) +{ + if (!mpData) + return; + + sal_uInt32 *p = mpData; + for (int i = maRects.mnSrcWidth * maRects.mnSrcHeight; i > 0; --i) + *p++ = color; +} + +WinSalGraphics::WinSalGraphics(WinSalGraphics::Type eType, bool bScreen, HWND hWnd, [[maybe_unused]] SalGeometryProvider *pProvider): + mhLocalDC(nullptr), + mbPrinter(eType == WinSalGraphics::PRINTER), + mbVirDev(eType == WinSalGraphics::VIRTUAL_DEVICE), + mbWindow(eType == WinSalGraphics::WINDOW), + mbScreen(bScreen), + mhWnd(hWnd), + mhRegion(nullptr), + mhDefPen(nullptr), + mhDefBrush(nullptr), + mhDefFont(nullptr), + mhDefPal(nullptr), + mpStdClipRgnData(nullptr), + mnPenWidth(GSL_PEN_WIDTH) +{ +#if HAVE_FEATURE_SKIA + if (SkiaHelper::isVCLSkiaEnabled() && !mbPrinter) + mpImpl.reset(new WinSkiaSalGraphicsImpl(*this, pProvider)); + else +#endif + mpImpl.reset(new WinSalGraphicsImpl(*this)); +} + +WinSalGraphics::~WinSalGraphics() +{ + // free obsolete GDI objects + ReleaseFonts(); + + if ( mhRegion ) + { + DeleteRegion( mhRegion ); + mhRegion = nullptr; + } + + // delete cache data + delete [] reinterpret_cast<BYTE*>(mpStdClipRgnData); + + setHDC(nullptr); +} + +SalGraphicsImpl* WinSalGraphics::GetImpl() const +{ + return mpImpl.get(); +} + +bool WinSalGraphics::isPrinter() const +{ + return mbPrinter; +} + +bool WinSalGraphics::isVirtualDevice() const +{ + return mbVirDev; +} + +bool WinSalGraphics::isWindow() const +{ + return mbWindow; +} + +bool WinSalGraphics::isScreen() const +{ + return mbScreen; +} + +HWND WinSalGraphics::gethWnd() +{ + return mhWnd; +} + +void WinSalGraphics::setHWND(HWND hWnd) +{ + mhWnd = hWnd; +} + +HPALETTE WinSalGraphics::getDefPal() const +{ + assert(getHDC() || !mhDefPal); + return mhDefPal; +} + +UINT WinSalGraphics::setPalette(HPALETTE hNewPal, BOOL bForceBkgd) +{ + UINT res = GDI_ERROR; + + if (!getHDC()) + { + assert(!mhDefPal); + return res; + } + + if (hNewPal) + { + HPALETTE hOldPal = SelectPalette(getHDC(), hNewPal, bForceBkgd); + if (hOldPal) + { + if (!mhDefPal) + mhDefPal = hOldPal; + res = RealizePalette(getHDC()); + } + } + else + { + res = 0; + if (mhDefPal) + { + SelectPalette(getHDC(), mhDefPal, bForceBkgd); + mhDefPal = nullptr; + } + } + + return res; +} + +HRGN WinSalGraphics::getRegion() const +{ + return mhRegion; +} + +void WinSalGraphics::GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) +{ + rDPIX = GetDeviceCaps( getHDC(), LOGPIXELSX ); + rDPIY = GetDeviceCaps( getHDC(), LOGPIXELSY ); + + // #111139# this fixes the symptom of div by zero on startup + // however, printing will fail most likely as communication with + // the printer seems not to work in this case + if( !rDPIX || !rDPIY ) + rDPIX = rDPIY = 600; +} + +sal_uInt16 WinSalGraphics::GetBitCount() const +{ + return mpImpl->GetBitCount(); +} + +tools::Long WinSalGraphics::GetGraphicsWidth() const +{ + return mpImpl->GetGraphicsWidth(); +} + +void WinSalGraphics::Flush() +{ + if(WinSalGraphicsImplBase* impl = dynamic_cast<WinSalGraphicsImplBase*>(GetImpl())) + impl->Flush(); +} + +void WinSalGraphics::ResetClipRegion() +{ + mpImpl->ResetClipRegion(); +} + +bool WinSalGraphics::setClipRegion( const vcl::Region& i_rClip ) +{ + return mpImpl->setClipRegion( i_rClip ); +} + +void WinSalGraphics::SetLineColor() +{ + mpImpl->SetLineColor(); +} + +void WinSalGraphics::SetLineColor( Color nColor ) +{ + mpImpl->SetLineColor( nColor ); +} + +void WinSalGraphics::SetFillColor() +{ + mpImpl->SetFillColor(); +} + +void WinSalGraphics::SetFillColor( Color nColor ) +{ + mpImpl->SetFillColor( nColor ); +} + +void WinSalGraphics::SetXORMode( bool bSet, bool bInvertOnly ) +{ + mpImpl->SetXORMode( bSet, bInvertOnly ); +} + +void WinSalGraphics::SetROPLineColor( SalROPColor nROPColor ) +{ + mpImpl->SetROPLineColor( nROPColor ); +} + +void WinSalGraphics::SetROPFillColor( SalROPColor nROPColor ) +{ + mpImpl->SetROPFillColor( nROPColor ); +} + +void WinSalGraphics::drawPixel( tools::Long nX, tools::Long nY ) +{ + mpImpl->drawPixel( nX, nY ); +} + +void WinSalGraphics::drawPixel( tools::Long nX, tools::Long nY, Color nColor ) +{ + mpImpl->drawPixel( nX, nY, nColor ); +} + +void WinSalGraphics::drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) +{ + mpImpl->drawLine( nX1, nY1, nX2, nY2 ); +} + +void WinSalGraphics::drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) +{ + mpImpl->drawRect( nX, nY, nWidth, nHeight ); +} + +void WinSalGraphics::drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry ) +{ + mpImpl->drawPolyLine( nPoints, pPtAry ); +} + +void WinSalGraphics::drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) +{ + mpImpl->drawPolygon( nPoints, pPtAry ); +} + +void WinSalGraphics::drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, + const Point** pPtAry ) +{ + mpImpl->drawPolyPolygon( nPoly, pPoints, pPtAry ); +} + +bool WinSalGraphics::drawPolyLineBezier( sal_uInt32 nPoints, const Point* pPtAry, const PolyFlags* pFlgAry ) +{ + return mpImpl->drawPolyLineBezier( nPoints, pPtAry, pFlgAry ); +} + +bool WinSalGraphics::drawPolygonBezier( sal_uInt32 nPoints, const Point* pPtAry, const PolyFlags* pFlgAry ) +{ + return mpImpl->drawPolygonBezier( nPoints, pPtAry, pFlgAry ); +} + +bool WinSalGraphics::drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, + const Point* const* pPtAry, const PolyFlags* const* pFlgAry ) +{ + return mpImpl->drawPolyPolygonBezier( nPoly, pPoints, pPtAry, pFlgAry ); +} + +bool WinSalGraphics::drawGradient(const tools::PolyPolygon& rPoly, const Gradient& rGradient) +{ + return mpImpl->drawGradient(rPoly, rGradient); +} + +bool WinSalGraphics::implDrawGradient(basegfx::B2DPolyPolygon const & rPolyPolygon, SalGradient const & rGradient) +{ + return mpImpl->implDrawGradient(rPolyPolygon, rGradient); +} + +static BYTE* ImplSearchEntry( BYTE* pSource, BYTE const * pDest, sal_uLong nComp, sal_uLong nSize ) +{ + while ( nComp-- >= nSize ) + { + sal_uLong i; + for ( i = 0; i < nSize; i++ ) + { + if ( ( pSource[i]&~0x20 ) != ( pDest[i]&~0x20 ) ) + break; + } + if ( i == nSize ) + return pSource; + pSource++; + } + return nullptr; +} + +static bool ImplGetBoundingBox( double* nNumb, BYTE* pSource, sal_uLong nSize ) +{ + bool bRetValue = false; + BYTE* pDest = ImplSearchEntry( pSource, reinterpret_cast<BYTE const *>("%%BoundingBox:"), nSize, 14 ); + if ( pDest ) + { + nNumb[0] = nNumb[1] = nNumb[2] = nNumb[3] = 0; + pDest += 14; + + int nSizeLeft = nSize - ( pDest - pSource ); + if ( nSizeLeft > 100 ) + nSizeLeft = 100; // only 100 bytes following the bounding box will be checked + + int i; + for ( i = 0; ( i < 4 ) && nSizeLeft; i++ ) + { + int nDivision = 1; + bool bDivision = false; + bool bNegative = false; + bool bValid = true; + + while ( ( --nSizeLeft ) && ( ( *pDest == ' ' ) || ( *pDest == 0x9 ) ) ) pDest++; + BYTE nByte = *pDest; + while ( nSizeLeft && ( nByte != ' ' ) && ( nByte != 0x9 ) && ( nByte != 0xd ) && ( nByte != 0xa ) ) + { + switch ( nByte ) + { + case '.' : + if ( bDivision ) + bValid = false; + else + bDivision = true; + break; + case '-' : + bNegative = true; + break; + default : + if ( ( nByte < '0' ) || ( nByte > '9' ) ) + nSizeLeft = 1; // error parsing the bounding box values + else if ( bValid ) + { + if ( bDivision ) + nDivision*=10; + nNumb[i] *= 10; + nNumb[i] += nByte - '0'; + } + break; + } + nSizeLeft--; + nByte = *(++pDest); + } + if ( bNegative ) + nNumb[i] = -nNumb[i]; + if ( bDivision && ( nDivision != 1 ) ) + nNumb[i] /= nDivision; + } + if ( i == 4 ) + bRetValue = true; + } + return bRetValue; +} + +#define POSTSCRIPT_BUFSIZE 0x4000 // MAXIMUM BUFSIZE EQ 0xFFFF + +bool WinSalGraphics::drawEPS( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, void* pPtr, sal_uInt32 nSize ) +{ + bool bRetValue = false; + + if ( mbPrinter ) + { + int nEscape = POSTSCRIPT_PASSTHROUGH; + + if ( Escape( getHDC(), QUERYESCSUPPORT, sizeof( int ), reinterpret_cast<LPSTR>(&nEscape), nullptr ) ) + { + double nBoundingBox[4]; + + if ( ImplGetBoundingBox( nBoundingBox, static_cast<BYTE*>(pPtr), nSize ) ) + { + OStringBuffer aBuf( POSTSCRIPT_BUFSIZE ); + + // reserve place for a sal_uInt16 + aBuf.append( "aa" ); + + // #107797# Write out EPS encapsulation header + + // directly taken from the PLRM 3.0, p. 726. Note: + // this will definitely cause problems when + // recursively creating and embedding PostScript files + // in OOo, since we use statically-named variables + // here (namely, b4_Inc_state_salWin, dict_count_salWin and + // op_count_salWin). Currently, I have no idea on how to + // work around that, except from scanning and + // interpreting the EPS for unused identifiers. + + // append the real text + aBuf.append( "\n\n/b4_Inc_state_salWin save def\n" + "/dict_count_salWin countdictstack def\n" + "/op_count_salWin count 1 sub def\n" + "userdict begin\n" + "/showpage {} def\n" + "0 setgray 0 setlinecap\n" + "1 setlinewidth 0 setlinejoin\n" + "10 setmiterlimit [] 0 setdash newpath\n" + "/languagelevel where\n" + "{\n" + " pop languagelevel\n" + " 1 ne\n" + " {\n" + " false setstrokeadjust false setoverprint\n" + " } if\n" + "} if\n\n" ); + + // #i10737# Apply clipping manually + + // Windows seems to ignore any clipping at the HDC, + // when followed by a POSTSCRIPT_PASSTHROUGH + + // Check whether we've got a clipping, consisting of + // exactly one rect (other cases should be, but aren't + // handled currently) + + // TODO: Handle more than one rectangle here (take + // care, the buffer can handle only POSTSCRIPT_BUFSIZE + // characters!) + if ( mhRegion != nullptr && + mpStdClipRgnData != nullptr && + mpClipRgnData == mpStdClipRgnData && + mpClipRgnData->rdh.nCount == 1 ) + { + RECT* pRect = &(mpClipRgnData->rdh.rcBound); + + aBuf.append( "\nnewpath\n" ); + aBuf.append( pRect->left ); + aBuf.append( " " ); + aBuf.append( pRect->top ); + aBuf.append( " moveto\n" ); + aBuf.append( pRect->right ); + aBuf.append( " " ); + aBuf.append( pRect->top ); + aBuf.append( " lineto\n" ); + aBuf.append( pRect->right ); + aBuf.append( " " ); + aBuf.append( pRect->bottom ); + aBuf.append( " lineto\n" ); + aBuf.append( pRect->left ); + aBuf.append( " " ); + aBuf.append( pRect->bottom ); + aBuf.append( " lineto\n" + "closepath\n" + "clip\n" + "newpath\n" ); + } + + // #107797# Write out buffer + + *reinterpret_cast<sal_uInt16*>(const_cast<char *>(aBuf.getStr())) = static_cast<sal_uInt16>( aBuf.getLength() - 2 ); + Escape ( getHDC(), nEscape, aBuf.getLength(), aBuf.getStr(), nullptr ); + + // #107797# Write out EPS transformation code + + double dM11 = nWidth / ( nBoundingBox[2] - nBoundingBox[0] ); + double dM22 = nHeight / (nBoundingBox[1] - nBoundingBox[3] ); + // reserve a sal_uInt16 again + aBuf.setLength( 2 ); + aBuf.append( "\n\n[" ); + aBuf.append( dM11 ); + aBuf.append( " 0 0 " ); + aBuf.append( dM22 ); + aBuf.append( ' ' ); + aBuf.append( nX - ( dM11 * nBoundingBox[0] ) ); + aBuf.append( ' ' ); + aBuf.append( nY - ( dM22 * nBoundingBox[3] ) ); + aBuf.append( "] concat\n" + "%%BeginDocument:\n" ); + *reinterpret_cast<sal_uInt16*>(const_cast<char *>(aBuf.getStr())) = static_cast<sal_uInt16>( aBuf.getLength() - 2 ); + Escape ( getHDC(), nEscape, aBuf.getLength(), aBuf.getStr(), nullptr ); + + // #107797# Write out actual EPS content + + sal_uLong nToDo = nSize; + sal_uLong nDoNow; + while ( nToDo ) + { + nDoNow = nToDo; + if ( nToDo > POSTSCRIPT_BUFSIZE - 2 ) + nDoNow = POSTSCRIPT_BUFSIZE - 2; + // the following is based on the string buffer allocation + // of size POSTSCRIPT_BUFSIZE at construction time of aBuf + *reinterpret_cast<sal_uInt16*>(const_cast<char *>(aBuf.getStr())) = static_cast<sal_uInt16>(nDoNow); + memcpy( const_cast<char *>(aBuf.getStr() + 2), static_cast<BYTE*>(pPtr) + nSize - nToDo, nDoNow ); + sal_uLong nResult = Escape ( getHDC(), nEscape, nDoNow + 2, aBuf.getStr(), nullptr ); + if (!nResult ) + break; + nToDo -= nResult; + } + + // #107797# Write out EPS encapsulation footer + + // reserve a sal_uInt16 again + aBuf.setLength( 2 ); + aBuf.append( "%%EndDocument\n" + "count op_count_salWin sub {pop} repeat\n" + "countdictstack dict_count_salWin sub {end} repeat\n" + "b4_Inc_state_salWin restore\n\n" ); + *reinterpret_cast<sal_uInt16*>(const_cast<char *>(aBuf.getStr())) = static_cast<sal_uInt16>( aBuf.getLength() - 2 ); + Escape ( getHDC(), nEscape, aBuf.getLength(), aBuf.getStr(), nullptr ); + bRetValue = true; + } + } + } + + return bRetValue; +} + +SystemGraphicsData WinSalGraphics::GetGraphicsData() const +{ + SystemGraphicsData aRes; + aRes.nSize = sizeof(aRes); + aRes.hDC = getHDC(); + return aRes; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |