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Diffstat (limited to 'vcl/win/source/gdi/salgdi.cxx')
| -rw-r--r-- | vcl/win/source/gdi/salgdi.cxx | 1449 |
1 files changed, 1449 insertions, 0 deletions
diff --git a/vcl/win/source/gdi/salgdi.cxx b/vcl/win/source/gdi/salgdi.cxx new file mode 100644 index 000000000000..f8f5892add4e --- /dev/null +++ b/vcl/win/source/gdi/salgdi.cxx @@ -0,0 +1,1449 @@ +/************************************************************************* + * + * $RCSfile: salgdi.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 17:05:49 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#include <stdio.h> +#include <string.h> + +#ifndef _SVWIN_H +#include <tools/svwin.h> +#endif +#define _SV_SALGDI_CXX + +#ifndef _SV_WINCOMP_HXX +#include <wincomp.hxx> +#endif +#ifndef _SV_SALDATA_HXX +#include <saldata.hxx> +#endif +#ifndef _SV_SALGDI_HXX +#include <salgdi.hxx> +#endif +#ifndef _DEBUG_HXX +#include <tools/debug.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 +#define DMAP( _def_nVal, _def_nThres ) ((pDitherDiff[_def_nVal]>(_def_nThres))?pDitherHigh[_def_nVal]:pDitherLow[_def_nVal]) + +// ======================================================================= + +struct SysColorEntry +{ + DWORD nRGB; + SysColorEntry* pNext; +}; + +// ======================================================================= + +static SysColorEntry* pFirstSysColor = NULL; +static SysColorEntry* pActSysColor = NULL; + +// ----------------------------------------------------------------------------- + +// 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 } +}; + +// ----------------------------------------------------------------------------- + +static BYTE aOrdDither8Bit[8][8] = +{ + 0, 38, 9, 48, 2, 40, 12, 50, + 25, 12, 35, 22, 28, 15, 37, 24, + 6, 44, 3, 41, 8, 47, 5, 44, + 32, 19, 28, 16, 34, 21, 31, 18, + 1, 40, 11, 49, 0, 39, 10, 48, + 27, 14, 36, 24, 26, 13, 36, 23, + 8, 46, 4, 43, 7, 45, 4, 42, + 33, 20, 30, 17, 32, 20, 29, 16 +}; + +// ----------------------------------------------------------------------------- + +static BYTE aOrdDither16Bit[8][8] = +{ + 0, 6, 1, 7, 0, 6, 1, 7, + 4, 2, 5, 3, 4, 2, 5, 3, + 1, 7, 0, 6, 1, 7, 0, 6, + 5, 3, 4, 2, 5, 3, 4, 2, + 0, 6, 1, 7, 0, 6, 1, 7, + 4, 2, 5, 3, 4, 2, 5, 3, + 1, 7, 0, 6, 1, 7, 0, 6, + 5, 3, 4, 2, 5, 3, 4, 2 +}; + +// ======================================================================= + +// Pens muessen wir mit 1 Pixel-Breite erzeugen, da ansonsten die S3-Karte +// viele Paintprobleme hat, wenn Polygone/PolyLines gezeichnet werden und +// eine komplexe ClipRegion gesetzt ist +#define GSL_PEN_WIDTH 1 + +// ======================================================================= + +#define SAL_POLYPOLYCOUNT_STACKBUF 8 +#define SAL_POLYPOLYPOINTS_STACKBUF 64 + +// ======================================================================= + +void ImplInitSalGDI() +{ + SalData* pSalData = GetSalData(); + + // 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; + + // DC-Cache aufbauen + pSalData->mpHDCCache = new HDCCache[ CACHESIZE_HDC ]; + memset( pSalData->mpHDCCache, 0, CACHESIZE_HDC * sizeof( HDCCache ) ); + + // Nur bei 256 Farben Displays, die Paletten unterstuetzen + HDC hDC = GetDC( 0 ); + 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 = (HBITMAP) ::SelectObject( hMemDC, hMemBmp ); + HBRUSH hMemBrush = ::CreateSolidBrush( PALETTERGB( 175, 171, 169 ) ); + HBRUSH hBrushOld = (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 + long n; + + pSalData->mhDitherDIB = GlobalAlloc( GMEM_FIXED, sizeof( BITMAPINFOHEADER ) + 192 ); + pSalData->mpDitherDIB = (BYTE*) GlobalLock( pSalData->mhDitherDIB ); + pSalData->mpDitherDiff = new 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 = (BITMAPINFOHEADER*) pSalData->mpDitherDIB; + + pBIH->biSize = sizeof( BITMAPINFOHEADER ); + pBIH->biWidth = 8; + pBIH->biHeight = 8; + pBIH->biPlanes = 1; + pBIH->biBitCount = 24; + + for( n = 0; n < 256L; n++ ) + pSalData->mpDitherDiff[ n ] = n - ( n & 248L ); + + for( n = 0; n < 256L; n++ ) + pSalData->mpDitherLow[ n ] = (BYTE) ( n & 248 ); + + for( n = 0; n < 256L; n++ ) + pSalData->mpDitherHigh[ n ] = (BYTE) Min( pSalData->mpDitherLow[ n ] + 8L, 255L ); + } + } + else if ( (nRasterCaps & RC_PALETTE) && (nBitCount == 8) ) + { + BYTE nRed, nGreen, nBlue; + BYTE nR, nG, nB; + PALETTEENTRY* pPalEntry; + LOGPALETTE* pLogPal; + const USHORT nDitherPalCount = DITHER_PAL_COUNT; + ULONG nTotalCount = DITHER_MAX_SYSCOLOR + nDitherPalCount + DITHER_EXTRA_COLORS; + + // create logical palette + pLogPal = (LOGPALETTE*) new char[ sizeof( LOGPALETTE ) + ( nTotalCount * sizeof( PALETTEENTRY ) ) ]; + pLogPal->palVersion = 0x0300; + pLogPal->palNumEntries = (USHORT) 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[] (char*) pLogPal; + + if( pSalData->mhDitherPal ) + { + // create DIBPattern for 8Bit dithering + long nSize = sizeof( BITMAPINFOHEADER ) + ( 256 * sizeof( short ) ) + 64; + long n; + + pSalData->mhDitherDIB = GlobalAlloc( GMEM_FIXED, nSize ); + pSalData->mpDitherDIB = (BYTE*) GlobalLock( pSalData->mhDitherDIB ); + pSalData->mpDitherDiff = new 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 = (BITMAPINFOHEADER*) pSalData->mpDitherDIB; + short* pColors = (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 ] = (short)( n + DITHER_MAX_SYSCOLOR ); + + for( n = 0; n < 256L; n++ ) + pSalData->mpDitherDiff[ n ] = n % 51L; + + for( n = 0; n < 256L; n++ ) + pSalData->mpDitherLow[ n ] = (BYTE) ( n / 51L ); + + for( n = 0; n < 256L; n++ ) + pSalData->mpDitherHigh[ n ] = Min( pSalData->mpDitherLow[ n ] + 1, 5 ); + } + + // get system color entries + ImplUpdateSysColorEntries(); + } + + ReleaseDC( 0, hDC ); +} + +// ----------------------------------------------------------------------- + +void ImplFreeSalGDI() +{ + SalData* pSalData = GetSalData(); + USHORT i; + + // destroy stock objects + for ( i = 0; i < pSalData->mnStockPenCount; i++ ) + DeletePen( pSalData->mhStockPenAry[i] ); + for ( i = 0; i < pSalData->mnStockBrushCount; i++ ) + DeleteBrush( pSalData->mhStockBrushAry[i] ); + + // 50% Brush loeschen + if ( pSalData->mh50Brush ) + { + DeleteBrush( pSalData->mh50Brush ); + pSalData->mh50Brush = 0; + } + + // 50% Bitmap loeschen + if ( pSalData->mh50Bmp ) + { + DeleteBitmap( pSalData->mh50Bmp ); + pSalData->mh50Bmp = 0; + } + + ImplClearHDCCache( pSalData ); + delete[] pSalData->mpHDCCache; + + // Ditherpalette loeschen, wenn vorhanden + if ( pSalData->mhDitherPal ) + { + DeleteObject( pSalData->mhDitherPal ); + pSalData->mhDitherPal = 0; + } + + // delete buffers for dithering DIB patterns, if neccessary + if ( pSalData->mhDitherDIB ) + { + GlobalUnlock( pSalData->mhDitherDIB ); + GlobalFree( pSalData->mhDitherDIB ); + pSalData->mhDitherDIB = 0; + delete[] pSalData->mpDitherDiff; + delete[] pSalData->mpDitherLow; + delete[] pSalData->mpDitherHigh; + } + + // delete SysColorList + SysColorEntry* pEntry = pFirstSysColor; + while( pEntry ) + { + SysColorEntry* pTmp = pEntry->pNext; + delete pEntry; + pEntry = pTmp; + } + pFirstSysColor = NULL; +} + +// ----------------------------------------------------------------------- + +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 ( USHORT 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; +} + +// ======================================================================= + +int ImplIsSysColorEntry( SalColor nSalColor ) +{ + SysColorEntry* pEntry = pFirstSysColor; + const DWORD nTestRGB = (DWORD)RGB( SALCOLOR_RED( nSalColor ), + SALCOLOR_GREEN( nSalColor ), + SALCOLOR_BLUE( nSalColor ) ); + + while ( pEntry ) + { + if ( pEntry->nRGB == nTestRGB ) + return TRUE; + pEntry = pEntry->pNext; + } + + 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 = NULL; + } + else + { + pActSysColor = pActSysColor->pNext = new SysColorEntry; + pActSysColor->nRGB = nRGB; + pActSysColor->pNext = NULL; + } + } +} + +// ======================================================================= + +void ImplUpdateSysColorEntries() +{ + // delete old SysColorList + SysColorEntry* pEntry = pFirstSysColor; + while( pEntry ) + { + SysColorEntry* pTmp = pEntry->pNext; + delete pEntry; + pEntry = pTmp; + } + pActSysColor = pFirstSysColor = NULL; + + // create new sys color list + ImplInsertSysColorEntry( COLOR_ACTIVEBORDER ); + ImplInsertSysColorEntry( COLOR_INACTIVEBORDER ); + if( aSalShlData.mnVersion >= 410 ) + { + 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 ); +} + +// ----------------------------------------------------------------------- + +static SalColor ImplGetROPSalColor( SalROPColor nROPColor ) +{ + SalColor nSalColor; + if ( nROPColor == SAL_ROP_0 ) + nSalColor = MAKE_SALCOLOR( 0, 0, 0 ); + else + nSalColor = MAKE_SALCOLOR( 255, 255, 255 ); + return nSalColor; +} + +// ======================================================================= + +void ImplSalInitGraphics( SalGraphicsData* pData ) +{ + // Beim Printer berechnen wir die minimale Linienstaerke + if ( pData->mbPrinter ) + { + int nDPIX = GetDeviceCaps( pData->mhDC, LOGPIXELSX ); + if ( nDPIX <= 300 ) + pData->mnPenWidth = 0; + else + pData->mnPenWidth = nDPIX/300; + } + + ::SetTextAlign( pData->mhDC, TA_BASELINE | TA_LEFT | TA_NOUPDATECP ); + ::SetBkMode( pData->mhDC, TRANSPARENT ); + ::SetROP2( pData->mhDC, R2_COPYPEN ); +} + +// ----------------------------------------------------------------------- + +void ImplSalDeInitGraphics( SalGraphicsData* pData ) +{ + // Default Objekte selektieren + if ( pData->mhDefPen ) + SelectPen( pData->mhDC, pData->mhDefPen ); + if ( pData->mhDefBrush ) + SelectBrush( pData->mhDC, pData->mhDefBrush ); + if ( pData->mhDefFont ) + SelectFont( pData->mhDC, pData->mhDefFont ); +} + +// ======================================================================= + +HDC ImplGetCachedDC( ULONG nID, HBITMAP hBmp ) +{ + SalData* pSalData = GetSalData(); + HDCCache* pC = &pSalData->mpHDCCache[ nID ]; + + if( !pC->mhDC ) + { + HDC hDC = GetDC( 0 ); + + // neuen DC mit DefaultBitmap anlegen + 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 = (HBITMAP) SelectObject( pC->mhDC, pC->mhSelBmp ); + + ReleaseDC( 0, hDC ); + } + + if ( hBmp ) + SelectObject( pC->mhDC, pC->mhActBmp = hBmp ); + else + pC->mhActBmp = 0; + + return pC->mhDC; +} + +// ======================================================================= + +void ImplReleaseCachedDC( ULONG nID ) +{ + SalData* pSalData = GetSalData(); + HDCCache* pC = &pSalData->mpHDCCache[ nID ]; + + if ( pC->mhActBmp ) + SelectObject( pC->mhDC, pC->mhSelBmp ); +} + +// ======================================================================= + +void ImplClearHDCCache( SalData* pData ) +{ + for( 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 ); + } + } +} + +// ======================================================================= + +SalGraphics::SalGraphics() +{ + maGraphicsData.mhDC = 0; + maGraphicsData.mhPen = 0; + maGraphicsData.mhBrush = 0; + maGraphicsData.mhFont = 0; + maGraphicsData.mhRegion = 0; + maGraphicsData.mhDefPen = 0; + maGraphicsData.mhDefBrush = 0; + maGraphicsData.mhDefFont = 0; + maGraphicsData.mhDefPal = 0; + maGraphicsData.mpStdClipRgnData = NULL; + maGraphicsData.mpLogFont = NULL; + maGraphicsData.mpFontCharSets = NULL; + maGraphicsData.mnFontCharSetCount = 0; + maGraphicsData.mpFontKernPairs = NULL; + maGraphicsData.mnFontKernPairCount = 0; + maGraphicsData.mbFontKernInit = FALSE; + maGraphicsData.mnFontOverhang = 0; + maGraphicsData.mbXORMode = FALSE; + maGraphicsData.mnPenWidth = GSL_PEN_WIDTH; + maGraphicsData.mbCalcOverhang = TRUE; +} + +// ----------------------------------------------------------------------- + +SalGraphics::~SalGraphics() +{ + // Objekte zerstoeren + if ( maGraphicsData.mhPen ) + { + if ( !maGraphicsData.mbStockPen ) + DeletePen( maGraphicsData.mhPen ); + } + if ( maGraphicsData.mhBrush ) + { + if ( !maGraphicsData.mbStockBrush ) + DeleteBrush( maGraphicsData.mhBrush ); + } + if ( maGraphicsData.mhFont ) + DeleteFont( maGraphicsData.mhFont ); + + if ( maGraphicsData.mhRegion ) + { + DeleteRegion( maGraphicsData.mhRegion ); + maGraphicsData.mhRegion = 0; + } + + // Cache-Daten zerstoeren + if ( maGraphicsData.mpStdClipRgnData ) + delete maGraphicsData.mpStdClipRgnData; + + if ( maGraphicsData.mpLogFont ) + delete maGraphicsData.mpLogFont; + + if ( maGraphicsData.mpFontCharSets ) + delete maGraphicsData.mpFontCharSets; + + if ( maGraphicsData.mpFontKernPairs ) + delete maGraphicsData.mpFontKernPairs; +} + +// ----------------------------------------------------------------------- + +void SalGraphics::GetResolution( long& rDPIX, long& rDPIY ) +{ + rDPIX = GetDeviceCaps( maGraphicsData.mhDC, LOGPIXELSX ); + rDPIY = GetDeviceCaps( maGraphicsData.mhDC, LOGPIXELSY ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::GetScreenFontResolution( long& rDPIX, long& rDPIY ) +{ + rDPIX = GetDeviceCaps( maGraphicsData.mhDC, LOGPIXELSX ); + rDPIY = GetDeviceCaps( maGraphicsData.mhDC, LOGPIXELSY ); +} + +// ----------------------------------------------------------------------- + +USHORT SalGraphics::GetBitCount() +{ + return (USHORT)GetDeviceCaps( maGraphicsData.mhDC, BITSPIXEL ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::ResetClipRegion() +{ + if ( maGraphicsData.mhRegion ) + { + DeleteRegion( maGraphicsData.mhRegion ); + maGraphicsData.mhRegion = 0; + } + + SelectClipRgn( maGraphicsData.mhDC, 0 ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::BeginSetClipRegion( ULONG nRectCount ) +{ + if ( maGraphicsData.mhRegion ) + { + DeleteRegion( maGraphicsData.mhRegion ); + maGraphicsData.mhRegion = 0; + } + + ULONG nRectBufSize = sizeof(RECT)*nRectCount; + if ( nRectCount < SAL_CLIPRECT_COUNT ) + { + if ( !maGraphicsData.mpStdClipRgnData ) + maGraphicsData.mpStdClipRgnData = (RGNDATA*)new BYTE[sizeof(RGNDATA)-1+(SAL_CLIPRECT_COUNT*sizeof(RECT))]; + maGraphicsData.mpClipRgnData = maGraphicsData.mpStdClipRgnData; + } + else + maGraphicsData.mpClipRgnData = (RGNDATA*)new BYTE[sizeof(RGNDATA)-1+nRectBufSize]; + maGraphicsData.mpClipRgnData->rdh.dwSize = sizeof( RGNDATAHEADER ); + maGraphicsData.mpClipRgnData->rdh.iType = RDH_RECTANGLES; + maGraphicsData.mpClipRgnData->rdh.nCount = nRectCount; + maGraphicsData.mpClipRgnData->rdh.nRgnSize = nRectBufSize; + SetRectEmpty( &(maGraphicsData.mpClipRgnData->rdh.rcBound) ); + maGraphicsData.mpNextClipRect = (RECT*)(&(maGraphicsData.mpClipRgnData->Buffer)); + maGraphicsData.mbFirstClipRect = TRUE; +} + + +// ----------------------------------------------------------------------- + +BOOL SalGraphics::UnionClipRegion( long nX, long nY, long nWidth, long nHeight ) +{ + if ( nWidth && nHeight ) + { + RECT* pRect = maGraphicsData.mpNextClipRect; + RECT* pBoundRect = &(maGraphicsData.mpClipRgnData->rdh.rcBound); + long nRight = nX + nWidth; + long nBottom = nY + nHeight; + + if ( maGraphicsData.mbFirstClipRect ) + { + pBoundRect->left = nX; + pBoundRect->top = nY; + pBoundRect->right = nRight; + pBoundRect->bottom = nBottom; + maGraphicsData.mbFirstClipRect = FALSE; + } + else + { + if ( nX < pBoundRect->left ) + pBoundRect->left = (int)nX; + + if ( nY < pBoundRect->top ) + pBoundRect->top = (int)nY; + + if ( nRight > pBoundRect->right ) + pBoundRect->right = (int)nRight; + + if ( nBottom > pBoundRect->bottom ) + pBoundRect->bottom = (int)nBottom; + } + + pRect->left = (int)nX; + pRect->top = (int)nY; + pRect->right = (int)nRight; + pRect->bottom = (int)nBottom; + maGraphicsData.mpNextClipRect++; + } + else + { + maGraphicsData.mpClipRgnData->rdh.nCount--; + maGraphicsData.mpClipRgnData->rdh.nRgnSize -= sizeof( RECT ); + } + + return TRUE; +} + +// ----------------------------------------------------------------------- + +void SalGraphics::EndSetClipRegion() +{ + // Aus den Region-Daten muessen wir jetzt eine ClipRegion erzeugen + if ( maGraphicsData.mpClipRgnData->rdh.nCount == 1 ) + { + RECT* pRect = &(maGraphicsData.mpClipRgnData->rdh.rcBound); + maGraphicsData.mhRegion = CreateRectRgn( pRect->left, pRect->top, + pRect->right, pRect->bottom ); + } + else + { + ULONG nSize = maGraphicsData.mpClipRgnData->rdh.nRgnSize+sizeof(RGNDATAHEADER); + maGraphicsData.mhRegion = ExtCreateRegion( NULL, nSize, maGraphicsData.mpClipRgnData ); + + // if ExtCreateRegion(...) is not supported + if( !maGraphicsData.mhRegion ) + { + RGNDATAHEADER* pHeader = (RGNDATAHEADER*) maGraphicsData.mpClipRgnData; + + if( pHeader->nCount ) + { + RECT* pRect = (RECT*) maGraphicsData.mpClipRgnData->Buffer; + maGraphicsData.mhRegion = CreateRectRgn( pRect->left, pRect->top, pRect->right, pRect->bottom ); + pRect++; + + for( ULONG n = 1; n < pHeader->nCount; n++, pRect++ ) + { + HRGN hRgn = CreateRectRgn( pRect->left, pRect->top, pRect->right, pRect->bottom ); + CombineRgn( maGraphicsData.mhRegion, maGraphicsData.mhRegion, hRgn, RGN_OR ); + DeleteRegion( hRgn ); + } + } + } + + if ( maGraphicsData.mpClipRgnData != maGraphicsData.mpStdClipRgnData ) + delete maGraphicsData.mpClipRgnData; + } + + SelectClipRgn( maGraphicsData.mhDC, maGraphicsData.mhRegion ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::SetLineColor() +{ + // create and select new pen + HPEN hNewPen = GetStockPen( NULL_PEN ); + HPEN hOldPen = SelectPen( maGraphicsData.mhDC, hNewPen ); + + // destory or save old pen + if ( maGraphicsData.mhPen ) + { + if ( !maGraphicsData.mbStockPen ) + DeletePen( maGraphicsData.mhPen ); + } + else + maGraphicsData.mhDefPen = hOldPen; + + // set new data + maGraphicsData.mhPen = hNewPen; + maGraphicsData.mbPen = FALSE; + maGraphicsData.mbStockPen = TRUE; +} + +// ----------------------------------------------------------------------- + +void SalGraphics::SetLineColor( SalColor nSalColor ) +{ + COLORREF nPenColor = PALETTERGB( SALCOLOR_RED( nSalColor ), + SALCOLOR_GREEN( nSalColor ), + SALCOLOR_BLUE( nSalColor ) ); + HPEN hNewPen = 0; + BOOL bStockPen; + + // search for stock pen (only screen, because printer have problems, + // when we use stock objects) + if ( !maGraphicsData.mbPrinter ) + { + SalData* pSalData = GetSalData(); + for ( USHORT i = 0; i < pSalData->mnStockPenCount; i++ ) + { + if ( nPenColor == pSalData->maStockPenColorAry[i] ) + { + hNewPen = pSalData->mhStockPenAry[i]; + bStockPen = TRUE; + break; + } + } + } + + // create new pen + if ( !hNewPen ) + { + if ( !maGraphicsData.mbPrinter ) + { + if ( GetSalData()->mhDitherPal && ImplIsSysColorEntry( nSalColor ) ) + nPenColor = PALRGB_TO_RGB( nPenColor ); + } + + hNewPen = CreatePen( PS_SOLID, maGraphicsData.mnPenWidth, nPenColor ); + bStockPen = FALSE; + } + + // select new pen + HPEN hOldPen = SelectPen( maGraphicsData.mhDC, hNewPen ); + + // destory or save old pen + if ( maGraphicsData.mhPen ) + { + if ( !maGraphicsData.mbStockPen ) + DeletePen( maGraphicsData.mhPen ); + } + else + maGraphicsData.mhDefPen = hOldPen; + + // set new data + maGraphicsData.mnPenColor = nPenColor; + maGraphicsData.mhPen = hNewPen; + maGraphicsData.mbPen = TRUE; + maGraphicsData.mbStockPen = bStockPen; +} + +// ----------------------------------------------------------------------- + +void SalGraphics::SetFillColor() +{ + // create and select new brush + HBRUSH hNewBrush = GetStockBrush( NULL_BRUSH ); + HBRUSH hOldBrush = SelectBrush( maGraphicsData.mhDC, hNewBrush ); + + // destory or save old brush + if ( maGraphicsData.mhBrush ) + { + if ( !maGraphicsData.mbStockBrush ) + DeleteBrush( maGraphicsData.mhBrush ); + } + else + maGraphicsData.mhDefBrush = hOldBrush; + + // set new data + maGraphicsData.mhBrush = hNewBrush; + maGraphicsData.mbBrush = FALSE; + maGraphicsData.mbStockBrush = TRUE; +} + +// ----------------------------------------------------------------------- + +void SalGraphics::SetFillColor( SalColor nSalColor ) +{ + SalData* pSalData = GetSalData(); + BYTE nRed = SALCOLOR_RED( nSalColor ); + BYTE nGreen = SALCOLOR_GREEN( nSalColor ); + BYTE nBlue = SALCOLOR_BLUE( nSalColor ); + COLORREF nBrushColor = PALETTERGB( nRed, nGreen, nBlue ); + HBRUSH hNewBrush = 0; + BOOL bStockBrush; + + // search for stock brush (only screen, because printer have problems, + // when we use stock objects) + if ( !maGraphicsData.mbPrinter ) + { + for ( USHORT i = 0; i < pSalData->mnStockBrushCount; i++ ) + { + if ( nBrushColor == pSalData->maStockBrushColorAry[ i ] ) + { + hNewBrush = pSalData->mhStockBrushAry[i]; + bStockBrush = TRUE; + break; + } + } + } + + // create new brush + if ( !hNewBrush ) + { + if ( maGraphicsData.mbPrinter || !pSalData->mhDitherDIB ) + hNewBrush = CreateSolidBrush( nBrushColor ); + else + { + if ( 24 == ((BITMAPINFOHEADER*)pSalData->mpDitherDIB)->biBitCount ) + { + BYTE* pTmp = pSalData->mpDitherDIBData; + long* pDitherDiff = pSalData->mpDitherDiff; + BYTE* pDitherLow = pSalData->mpDitherLow; + BYTE* pDitherHigh = pSalData->mpDitherHigh; + + for( long nY = 0L; nY < 8L; nY++ ) + { + for( long nX = 0L; nX < 8L; nX++ ) + { + const long nThres = aOrdDither16Bit[ nY ][ nX ]; + *pTmp++ = DMAP( nBlue, nThres ); + *pTmp++ = DMAP( nGreen, nThres ); + *pTmp++ = DMAP( nRed, nThres ); + } + } + + hNewBrush = CreateDIBPatternBrush( pSalData->mhDitherDIB, DIB_RGB_COLORS ); + } + else if ( ImplIsSysColorEntry( nSalColor ) ) + { + nBrushColor = PALRGB_TO_RGB( nBrushColor ); + hNewBrush = CreateSolidBrush( nBrushColor ); + } + else if ( ImplIsPaletteEntry( nRed, nGreen, nBlue ) ) + hNewBrush = CreateSolidBrush( nBrushColor ); + else + { + BYTE* pTmp = pSalData->mpDitherDIBData; + long* pDitherDiff = pSalData->mpDitherDiff; + BYTE* pDitherLow = pSalData->mpDitherLow; + BYTE* pDitherHigh = pSalData->mpDitherHigh; + + for ( long nY = 0L; nY < 8L; nY++ ) + { + for ( long nX = 0L; nX < 8L; nX++ ) + { + const long nThres = aOrdDither8Bit[ nY ][ nX ]; + *pTmp = DMAP( nRed, nThres ) + DMAP( nGreen, nThres ) * 6 + DMAP( nBlue, nThres ) * 36; + pTmp++; + } + } + + hNewBrush = CreateDIBPatternBrush( pSalData->mhDitherDIB, DIB_PAL_COLORS ); + } + } + + bStockBrush = FALSE; + } + + // select new brush + HBRUSH hOldBrush = SelectBrush( maGraphicsData.mhDC, hNewBrush ); + + // destory or save old brush + if ( maGraphicsData.mhBrush ) + { + if ( !maGraphicsData.mbStockBrush ) + DeleteBrush( maGraphicsData.mhBrush ); + } + else + maGraphicsData.mhDefBrush = hOldBrush; + + // set new data + maGraphicsData.mnBrushColor = nBrushColor; + maGraphicsData.mhBrush = hNewBrush; + maGraphicsData.mbBrush = FALSE; + maGraphicsData.mbStockBrush = bStockBrush; +} + +// ----------------------------------------------------------------------- + +void SalGraphics::SetXORMode( BOOL bSet ) +{ + maGraphicsData.mbXORMode = bSet; + ::SetROP2( maGraphicsData.mhDC, bSet ? R2_XORPEN : R2_COPYPEN ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::SetROPLineColor( SalROPColor nROPColor ) +{ + SetLineColor( ImplGetROPSalColor( nROPColor ) ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::SetROPFillColor( SalROPColor nROPColor ) +{ + SetFillColor( ImplGetROPSalColor( nROPColor ) ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::DrawPixel( long nX, long nY ) +{ + if ( maGraphicsData.mbXORMode ) + { + HBRUSH hBrush = CreateSolidBrush( maGraphicsData.mnPenColor ); + HBRUSH hOldBrush = SelectBrush( maGraphicsData.mhDC, hBrush ); + PatBlt( maGraphicsData.mhDC, (int)nX, (int)nY, (int)1, (int)1, PATINVERT ); + SelectBrush( maGraphicsData.mhDC, hOldBrush ); + DeleteBrush( hBrush ); + } + else + SetPixel( maGraphicsData.mhDC, (int)nX, (int)nY, maGraphicsData.mnPenColor ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::DrawPixel( long nX, long nY, SalColor nSalColor ) +{ + COLORREF nCol = PALETTERGB( SALCOLOR_RED( nSalColor ), + SALCOLOR_GREEN( nSalColor ), + SALCOLOR_BLUE( nSalColor ) ); + + if ( !maGraphicsData.mbPrinter && + GetSalData()->mhDitherPal && + ImplIsSysColorEntry( nSalColor ) ) + nCol = PALRGB_TO_RGB( nCol ); + + if ( maGraphicsData.mbXORMode ) + { + HBRUSH hBrush = CreateSolidBrush( nCol ); + HBRUSH hOldBrush = SelectBrush( maGraphicsData.mhDC, hBrush ); + PatBlt( maGraphicsData.mhDC, (int)nX, (int)nY, (int)1, (int)1, PATINVERT ); + SelectBrush( maGraphicsData.mhDC, hOldBrush ); + DeleteBrush( hBrush ); + } + else + ::SetPixel( maGraphicsData.mhDC, (int)nX, (int)nY, nCol ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::DrawLine( long nX1, long nY1, long nX2, long nY2 ) +{ + MoveToEx( maGraphicsData.mhDC, (int)nX1, (int)nY1, NULL ); + + // we must paint the endpoint + int bPaintEnd = TRUE; + if ( nX1 == nX2 ) + { + bPaintEnd = FALSE; + if ( nY1 <= nY2 ) + nY2++; + else + nY2--; + } + if ( nY1 == nY2 ) + { + bPaintEnd = FALSE; + if ( nX1 <= nX2 ) + nX2++; + else + nX2--; + } + + LineTo( maGraphicsData.mhDC, (int)nX2, (int)nY2 ); + + if ( bPaintEnd && !maGraphicsData.mbPrinter ) + { + if ( maGraphicsData.mbXORMode ) + { + HBRUSH hBrush = CreateSolidBrush( maGraphicsData.mnPenColor ); + HBRUSH hOldBrush = SelectBrush( maGraphicsData.mhDC, hBrush ); + PatBlt( maGraphicsData.mhDC, (int)nX2, (int)nY2, (int)1, (int)1, PATINVERT ); + SelectBrush( maGraphicsData.mhDC, hOldBrush ); + DeleteBrush( hBrush ); + } + else + SetPixel( maGraphicsData.mhDC, (int)nX2, (int)nY2, maGraphicsData.mnPenColor ); + } +} + +// ----------------------------------------------------------------------- + +void SalGraphics::DrawRect( long nX, long nY, long nWidth, long nHeight ) +{ + if ( !maGraphicsData.mbPen ) + { + if ( !maGraphicsData.mbPrinter ) + { + PatBlt( maGraphicsData.mhDC, (int)nX, (int)nY, (int)nWidth, (int)nHeight, + maGraphicsData.mbXORMode ? PATINVERT : PATCOPY ); + } + else + { + RECT aWinRect; + aWinRect.left = nX; + aWinRect.top = nY; + aWinRect.right = nX+nWidth; + aWinRect.bottom = nY+nHeight; + ::FillRect( maGraphicsData.mhDC, &aWinRect, maGraphicsData.mhBrush ); + } + } + else + WIN_Rectangle( maGraphicsData.mhDC, (int)nX, (int)nY, (int)(nX+nWidth), (int)(nY+nHeight) ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::DrawPolyLine( ULONG nPoints, const SalPoint* pPtAry ) +{ + // Unter NT koennen wir das Array direkt weiterreichen + DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ), + "SalGraphics::DrawPolyLine(): POINT != SalPoint" ); + + POINT* pWinPtAry = (POINT*)pPtAry; + // Wegen Windows 95 und der Beschraenkung auf eine maximale Anzahl + // von Punkten + if ( !Polyline( maGraphicsData.mhDC, pWinPtAry, (int)nPoints ) && (nPoints > MAX_64KSALPOINTS) ) + Polyline( maGraphicsData.mhDC, pWinPtAry, MAX_64KSALPOINTS ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::DrawPolygon( ULONG nPoints, const SalPoint* pPtAry ) +{ + // Unter NT koennen wir das Array direkt weiterreichen + DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ), + "SalGraphics::DrawPolygon(): POINT != SalPoint" ); + + POINT* pWinPtAry = (POINT*)pPtAry; + // Wegen Windows 95 und der Beschraenkung auf eine maximale Anzahl + // von Punkten + if ( !WIN_Polygon( maGraphicsData.mhDC, pWinPtAry, (int)nPoints ) && (nPoints > MAX_64KSALPOINTS) ) + WIN_Polygon( maGraphicsData.mhDC, pWinPtAry, MAX_64KSALPOINTS ); +} + +// ----------------------------------------------------------------------- + +void SalGraphics::DrawPolyPolygon( ULONG nPoly, const ULONG* pPoints, + PCONSTSALPOINT* pPtAry ) +{ + UINT aWinPointAry[SAL_POLYPOLYCOUNT_STACKBUF]; + UINT* pWinPointAry; + UINT nPolyPolyPoints = 0; + UINT nPoints; + UINT i; + + if ( nPoly <= SAL_POLYPOLYCOUNT_STACKBUF ) + pWinPointAry = aWinPointAry; + else + pWinPointAry = new UINT[nPoly]; + + for ( i = 0; i < (UINT)nPoly; i++ ) + { + nPoints = (UINT)pPoints[i]+1; + pWinPointAry[i] = nPoints; + nPolyPolyPoints += nPoints; + } + + POINT aWinPointAryAry[SAL_POLYPOLYPOINTS_STACKBUF]; + POINT* pWinPointAryAry; + if ( nPolyPolyPoints <= SAL_POLYPOLYPOINTS_STACKBUF ) + pWinPointAryAry = aWinPointAryAry; + else + pWinPointAryAry = new POINT[nPolyPolyPoints]; + // Unter NT koennen wir das Array direkt weiterreichen + DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ), + "SalGraphics::DrawPolyPolygon(): POINT != SalPoint" ); + const SalPoint* pPolyAry; + UINT n = 0; + for ( i = 0; i < (UINT)nPoly; i++ ) + { + nPoints = pWinPointAry[i]; + pPolyAry = pPtAry[i]; + memcpy( pWinPointAryAry+n, pPolyAry, (nPoints-1)*sizeof(POINT) ); + pWinPointAryAry[n+nPoints-1] = pWinPointAryAry[n]; + n += nPoints; + } + + if ( !WIN_PolyPolygon( maGraphicsData.mhDC, pWinPointAryAry, (int*)pWinPointAry, (UINT)nPoly ) && + (nPolyPolyPoints > MAX_64KSALPOINTS) ) + { + nPolyPolyPoints = 0; + nPoly = 0; + do + { + nPolyPolyPoints += pWinPointAry[(UINT)nPoly]; + nPoly++; + } + while ( nPolyPolyPoints < MAX_64KSALPOINTS ); + nPoly--; + if ( pWinPointAry[(UINT)nPoly] > MAX_64KSALPOINTS ) + pWinPointAry[(UINT)nPoly] = MAX_64KSALPOINTS; + if ( nPoly == 1 ) + WIN_Polygon( maGraphicsData.mhDC, pWinPointAryAry, *pWinPointAry ); + else + WIN_PolyPolygon( maGraphicsData.mhDC, pWinPointAryAry, (int*)pWinPointAry, nPoly ); + } + + if ( pWinPointAry != aWinPointAry ) + delete pWinPointAry; + if ( pWinPointAryAry != aWinPointAryAry ) + delete pWinPointAryAry; +} + + +// ----------------------------------------------------------------------- + +#define POSTSCRIPT_BUFSIZE 0x4000 // MAXIMUM BUFSIZE EQ 0xFFFF +#define POSTSCRIPT_BOUNDINGSEARCH 0x1000 // we only try to get the BoundingBox + // in the first 4096 bytes + +static BYTE* ImplSearchEntry( BYTE* pSource, BYTE* pDest, ULONG nComp, ULONG nSize ) +{ + while ( nComp-- >= nSize ) + { + for ( ULONG i = 0; i < nSize; i++ ) + { + if ( ( pSource[i]&~0x20 ) != ( pDest[i]&~0x20 ) ) + break; + } + if ( i == nSize ) + return pSource; + pSource++; + } + return NULL; +} + +static BOOL ImplGetBoundingBox( double* nNumb, BYTE* pSource, ULONG nSize ) +{ + BOOL bRetValue = FALSE; + ULONG nBytesRead; + + if ( nSize < 256 ) // we assume that the file is greater than 256 bytes + return FALSE; + + if ( nSize < POSTSCRIPT_BOUNDINGSEARCH ) + nBytesRead = nSize; + else + nBytesRead = POSTSCRIPT_BOUNDINGSEARCH; + + BYTE* pDest = ImplSearchEntry( pSource, (BYTE*)"%%BoundingBox:", nBytesRead, 14 ); + if ( pDest ) + { + int nSecurityCount = 100; // only 100 bytes following the bounding box will be checked + nNumb[0] = nNumb[1] = nNumb[2] = nNumb[3] = 0; + pDest += 14; + for ( int i = 0; ( i < 4 ) && nSecurityCount; i++ ) + { + int nDivision = 1; + BOOL bDivision = FALSE; + BOOL bNegative = FALSE; + BOOL bValid = TRUE; + + while ( ( --nSecurityCount ) && ( *pDest == ' ' ) || ( *pDest == 0x9 ) ) pDest++; + BYTE nByte = *pDest; + while ( nSecurityCount && ( 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' ) ) + nSecurityCount = 1; // error parsing the bounding box values + else if ( bValid ) + { + if ( bDivision ) + nDivision*=10; + nNumb[i] *= 10; + nNumb[i] += nByte - '0'; + } + break; + } + nSecurityCount--; + nByte = *(++pDest); + } + if ( bNegative ) + nNumb[i] = -nNumb[i]; + if ( bDivision && ( nDivision != 1 ) ) + nNumb[i] /= nDivision; + } + if ( nSecurityCount) + bRetValue = TRUE; + } + return bRetValue; +} + +inline void ImplWriteDouble( BYTE** pBuf, double nNumb ) +{ + *pBuf += sprintf( (char*)*pBuf, "%f", nNumb ); + *(*pBuf)++ = ' '; +} + +inline void ImplWriteString( BYTE** pBuf, const char* sString ) +{ + strcpy( (char*)*pBuf, sString ); + *pBuf += strlen( sString ); +} + +BOOL SalGraphics::DrawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, ULONG nSize ) +{ + BOOL bRetValue = FALSE; + + if ( maGraphicsData.mbPrinter ) + { + int nEscape = POSTSCRIPT_PASSTHROUGH; + + if ( Escape( maGraphicsData.mhDC, QUERYESCSUPPORT, sizeof( int ), ( LPSTR )&nEscape, 0 ) ) + { + BYTE* pBuf = new BYTE[ POSTSCRIPT_BUFSIZE ]; + + double nBoundingBox[4]; + + if ( pBuf && ImplGetBoundingBox( nBoundingBox, (BYTE*)pPtr, nSize ) ) + { + double dM11 = nWidth / ( nBoundingBox[2] - nBoundingBox[0] ); + double dM22 = nHeight / (nBoundingBox[1] - nBoundingBox[3] ); + BYTE* pTemp = pBuf + 2; // +2 because we want to insert the size later + ImplWriteString( &pTemp, "\n\nsave\n[ " ); + ImplWriteDouble( &pTemp, dM11 ); + ImplWriteDouble( &pTemp, 0 ); + ImplWriteDouble( &pTemp, 0 ); + ImplWriteDouble( &pTemp, dM22 ); + ImplWriteDouble( &pTemp, nX - ( dM11 * nBoundingBox[0] ) ); + ImplWriteDouble( &pTemp, nY - ( dM22 * nBoundingBox[3] ) ); + ImplWriteString( &pTemp, "] concat /showpage {} def\n" ); + ImplWriteString( &pTemp, "%%BeginDocument:\n" ); + *((USHORT*)pBuf) = (USHORT)( pTemp - pBuf - 2 ); + Escape ( maGraphicsData.mhDC, nEscape, pTemp - pBuf, (LPTSTR)((BYTE*)pBuf), 0 ); + + ULONG nToDo = nSize; + ULONG nDoNow; + while ( nToDo ) + { + nDoNow = nToDo; + if ( nToDo > POSTSCRIPT_BUFSIZE - 2 ) + nDoNow = POSTSCRIPT_BUFSIZE - 2; + *((USHORT*)pBuf) = (USHORT)nDoNow; + memcpy( pBuf + 2, (BYTE*)pPtr + nSize - nToDo, nDoNow ); + ULONG nResult = Escape ( maGraphicsData.mhDC, nEscape, nDoNow + 2, (LPTSTR)((BYTE*)pBuf), 0 ); + if (!nResult ) + break; + nToDo -= nResult; + } + pTemp = pBuf + 2; + ImplWriteString( &pTemp, "%%EndDocument\n" ); + ImplWriteString( &pTemp, "restore\n\n" ); + *((USHORT*)pBuf) = (USHORT)( pTemp - pBuf - 2 ); + Escape ( maGraphicsData.mhDC, nEscape, pTemp - pBuf, (LPTSTR)((BYTE*)pBuf), 0 ); + bRetValue = TRUE; + } + delete pBuf; + } + } + + return bRetValue; +} |