diff options
Diffstat (limited to 'drawinglayer/source/processor2d/vclhelperbitmaptransform.cxx')
| -rw-r--r-- | drawinglayer/source/processor2d/vclhelperbitmaptransform.cxx | 434 |
1 files changed, 0 insertions, 434 deletions
diff --git a/drawinglayer/source/processor2d/vclhelperbitmaptransform.cxx b/drawinglayer/source/processor2d/vclhelperbitmaptransform.cxx deleted file mode 100644 index 0676aabc04..0000000000 --- a/drawinglayer/source/processor2d/vclhelperbitmaptransform.cxx +++ /dev/null @@ -1,434 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org 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 version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_drawinglayer.hxx" - -#include <vclhelperbitmaptransform.hxx> -#include <vcl/bmpacc.hxx> -#include <basegfx/point/b2dpoint.hxx> -#include <basegfx/color/bcolormodifier.hxx> - -////////////////////////////////////////////////////////////////////////////// -// support for rendering Bitmap and BitmapEx contents - -namespace drawinglayer -{ - namespace - { - void impSmoothPoint(BitmapColor& rValue, const basegfx::B2DPoint& rSource, sal_Int32 nIntX, sal_Int32 nIntY, BitmapReadAccess& rRead) - { - double fDeltaX(rSource.getX() - nIntX); - double fDeltaY(rSource.getY() - nIntY); - sal_Int32 nIndX(0L); - sal_Int32 nIndY(0L); - - if(fDeltaX > 0.0 && nIntX + 1L < rRead.Width()) - { - nIndX++; - } - else if(fDeltaX < 0.0 && nIntX >= 1L) - { - fDeltaX = -fDeltaX; - nIndX--; - } - - if(fDeltaY > 0.0 && nIntY + 1L < rRead.Height()) - { - nIndY++; - } - else if(fDeltaY < 0.0 && nIntY >= 1L) - { - fDeltaY = -fDeltaY; - nIndY--; - } - - if(nIndX || nIndY) - { - const double fColorToReal(1.0 / 255.0); - double fR(rValue.GetRed() * fColorToReal); - double fG(rValue.GetGreen() * fColorToReal); - double fB(rValue.GetBlue() * fColorToReal); - double fRBottom(0.0), fGBottom(0.0), fBBottom(0.0); - - if(nIndX) - { - const double fMulA(fDeltaX * fColorToReal); - double fMulB(1.0 - fDeltaX); - const BitmapColor aTopPartner(rRead.GetColor(nIntY, nIntX + nIndX)); - - fR = (fR * fMulB) + (aTopPartner.GetRed() * fMulA); - fG = (fG * fMulB) + (aTopPartner.GetGreen() * fMulA); - fB = (fB * fMulB) + (aTopPartner.GetBlue() * fMulA); - - if(nIndY) - { - fMulB *= fColorToReal; - const BitmapColor aBottom(rRead.GetColor(nIntY + nIndY, nIntX)); - const BitmapColor aBottomPartner(rRead.GetColor(nIntY + nIndY, nIntX + nIndX)); - - fRBottom = (aBottom.GetRed() * fMulB) + (aBottomPartner.GetRed() * fMulA); - fGBottom = (aBottom.GetGreen() * fMulB) + (aBottomPartner.GetGreen() * fMulA); - fBBottom = (aBottom.GetBlue() * fMulB) + (aBottomPartner.GetBlue() * fMulA); - } - } - - if(nIndY) - { - if(!nIndX) - { - const BitmapColor aBottom(rRead.GetColor(nIntY + nIndY, nIntX)); - - fRBottom = aBottom.GetRed() * fColorToReal; - fGBottom = aBottom.GetGreen() * fColorToReal; - fBBottom = aBottom.GetBlue() * fColorToReal; - } - - const double fMulB(1.0 - fDeltaY); - - fR = (fR * fMulB) + (fRBottom * fDeltaY); - fG = (fG * fMulB) + (fGBottom * fDeltaY); - fB = (fB * fMulB) + (fBBottom * fDeltaY); - } - - rValue.SetRed((sal_uInt8)(fR * 255.0)); - rValue.SetGreen((sal_uInt8)(fG * 255.0)); - rValue.SetBlue((sal_uInt8)(fB * 255.0)); - } - } - - void impSmoothIndex(BitmapColor& rValue, const basegfx::B2DPoint& rSource, sal_Int32 nIntX, sal_Int32 nIntY, BitmapReadAccess& rRead) - { - double fDeltaX(rSource.getX() - nIntX); - double fDeltaY(rSource.getY() - nIntY); - sal_Int32 nIndX(0L); - sal_Int32 nIndY(0L); - - if(fDeltaX > 0.0 && nIntX + 1L < rRead.Width()) - { - nIndX++; - } - else if(fDeltaX < 0.0 && nIntX >= 1L) - { - fDeltaX = -fDeltaX; - nIndX--; - } - - if(fDeltaY > 0.0 && nIntY + 1L < rRead.Height()) - { - nIndY++; - } - else if(fDeltaY < 0.0 && nIntY >= 1L) - { - fDeltaY = -fDeltaY; - nIndY--; - } - - if(nIndX || nIndY) - { - const double fColorToReal(1.0 / 255.0); - double fVal(rValue.GetIndex() * fColorToReal); - double fValBottom(0.0); - - if(nIndX) - { - const double fMulA(fDeltaX * fColorToReal); - double fMulB(1.0 - fDeltaX); - const BitmapColor aTopPartner(rRead.GetPixel(nIntY, nIntX + nIndX)); - - fVal = (fVal * fMulB) + (aTopPartner.GetIndex() * fMulA); - - if(nIndY) - { - fMulB *= fColorToReal; - const BitmapColor aBottom(rRead.GetPixel(nIntY + nIndY, nIntX)); - const BitmapColor aBottomPartner(rRead.GetPixel(nIntY + nIndY, nIntX + nIndX)); - - fValBottom = (aBottom.GetIndex() * fMulB) + (aBottomPartner.GetIndex() * fMulA); - } - } - - if(nIndY) - { - if(!nIndX) - { - const BitmapColor aBottom(rRead.GetPixel(nIntY + nIndY, nIntX)); - - fValBottom = aBottom.GetIndex() * fColorToReal; - } - - const double fMulB(1.0 - fDeltaY); - - fVal = (fVal * fMulB) + (fValBottom * fDeltaY); - } - - rValue.SetIndex((sal_uInt8)(fVal * 255.0)); - } - } - - void impTransformBitmap(const Bitmap& rSource, Bitmap& rDestination, const basegfx::B2DHomMatrix& rTransform, bool bSmooth) - { - BitmapWriteAccess* pWrite = rDestination.AcquireWriteAccess(); - - if(pWrite) - { - const Size aContentSizePixel(rSource.GetSizePixel()); - BitmapReadAccess* pRead = (const_cast< Bitmap& >(rSource)).AcquireReadAccess(); - - if(pRead) - { - const Size aDestinationSizePixel(rDestination.GetSizePixel()); - bool bWorkWithIndex(rDestination.GetBitCount() <= 8); - BitmapColor aOutside(pRead->GetBestMatchingColor(BitmapColor(0xff, 0xff, 0xff))); - - for(sal_Int32 y(0L); y < aDestinationSizePixel.getHeight(); y++) - { - for(sal_Int32 x(0L); x < aDestinationSizePixel.getWidth(); x++) - { - const basegfx::B2DPoint aSourceCoor(rTransform * basegfx::B2DPoint(x, y)); - const sal_Int32 nIntX(basegfx::fround(aSourceCoor.getX())); - - if(nIntX >= 0L && nIntX < aContentSizePixel.getWidth()) - { - const sal_Int32 nIntY(basegfx::fround(aSourceCoor.getY())); - - if(nIntY >= 0L && nIntY < aContentSizePixel.getHeight()) - { - if(bWorkWithIndex) - { - BitmapColor aValue(pRead->GetPixel(nIntY, nIntX)); - - if(bSmooth) - { - impSmoothIndex(aValue, aSourceCoor, nIntX, nIntY, *pRead); - } - - pWrite->SetPixel(y, x, aValue); - } - else - { - BitmapColor aValue(pRead->GetColor(nIntY, nIntX)); - - if(bSmooth) - { - impSmoothPoint(aValue, aSourceCoor, nIntX, nIntY, *pRead); - } - - pWrite->SetPixel(y, x, aValue.IsIndex() ? aValue : pWrite->GetBestMatchingColor(aValue)); - } - - continue; - } - } - - // here are outside pixels. Complete mask - if(bWorkWithIndex) - { - pWrite->SetPixel(y, x, aOutside); - } - } - } - - delete pRead; - } - - delete pWrite; - } - } - - Bitmap impCreateEmptyBitmapWithPattern(const Bitmap& rSource, const Size& aTargetSizePixel) - { - Bitmap aRetval; - BitmapReadAccess* pReadAccess = (const_cast< Bitmap& >(rSource)).AcquireReadAccess(); - - if(pReadAccess) - { - if(rSource.GetBitCount() <= 8) - { - BitmapPalette aPalette(pReadAccess->GetPalette()); - aRetval = Bitmap(aTargetSizePixel, rSource.GetBitCount(), &aPalette); - } - else - { - aRetval = Bitmap(aTargetSizePixel, rSource.GetBitCount()); - } - - delete pReadAccess; - } - - return aRetval; - } - } // end of anonymous namespace -} // end of namespace drawinglayer - -namespace drawinglayer -{ - BitmapEx impTransformBitmapEx( - const BitmapEx& rSource, - const Rectangle& rCroppedRectPixel, - const basegfx::B2DHomMatrix& rTransform) - { - // force destination to 24 bit, we want to smooth output - const Size aDestinationSize(rCroppedRectPixel.GetSize()); - Bitmap aDestination(impCreateEmptyBitmapWithPattern(rSource.GetBitmap(), aDestinationSize)); - static bool bDoSmoothAtAll(true); - impTransformBitmap(rSource.GetBitmap(), aDestination, rTransform, bDoSmoothAtAll); - - // create mask - if(rSource.IsTransparent()) - { - if(rSource.IsAlpha()) - { - Bitmap aAlpha(impCreateEmptyBitmapWithPattern(rSource.GetAlpha().GetBitmap(), aDestinationSize)); - impTransformBitmap(rSource.GetAlpha().GetBitmap(), aAlpha, rTransform, bDoSmoothAtAll); - return BitmapEx(aDestination, AlphaMask(aAlpha)); - } - else - { - Bitmap aMask(impCreateEmptyBitmapWithPattern(rSource.GetMask(), aDestinationSize)); - impTransformBitmap(rSource.GetMask(), aMask, rTransform, false); - return BitmapEx(aDestination, aMask); - } - } - - return BitmapEx(aDestination); - } - - BitmapEx impModifyBitmapEx( - const basegfx::BColorModifierStack& rBColorModifierStack, - const BitmapEx& rSource) - { - Bitmap aChangedBitmap(rSource.GetBitmap()); - bool bDone(false); - - for(sal_uInt32 a(rBColorModifierStack.count()); a && !bDone; ) - { - const basegfx::BColorModifier& rModifier = rBColorModifierStack.getBColorModifier(--a); - - switch(rModifier.getMode()) - { - case basegfx::BCOLORMODIFYMODE_REPLACE : - { - // complete replace - if(rSource.IsTransparent()) - { - // clear bitmap with dest color - if(aChangedBitmap.GetBitCount() <= 8) - { - // do NOT use erase; for e.g. 8bit Bitmaps, the nearest color to the given - // erase color is determined and used -> this may be different from what is - // wanted here. Better create a new bitmap with the needed color explicitely - BitmapReadAccess* pReadAccess = aChangedBitmap.AcquireReadAccess(); - OSL_ENSURE(pReadAccess, "Got no Bitmap ReadAccess ?!?"); - - if(pReadAccess) - { - BitmapPalette aNewPalette(pReadAccess->GetPalette()); - aNewPalette[0] = BitmapColor(Color(rModifier.getBColor())); - aChangedBitmap = Bitmap( - aChangedBitmap.GetSizePixel(), - aChangedBitmap.GetBitCount(), - &aNewPalette); - delete pReadAccess; - } - } - else - { - aChangedBitmap.Erase(Color(rModifier.getBColor())); - } - } - else - { - // erase bitmap, caller will know to paint direct - aChangedBitmap.SetEmpty(); - } - - bDone = true; - break; - } - - default : // BCOLORMODIFYMODE_INTERPOLATE, BCOLORMODIFYMODE_GRAY, BCOLORMODIFYMODE_BLACKANDWHITE - { - BitmapWriteAccess* pContent = aChangedBitmap.AcquireWriteAccess(); - - if(pContent) - { - const double fConvertColor(1.0 / 255.0); - - for(sal_uInt32 y(0L); y < (sal_uInt32)pContent->Height(); y++) - { - for(sal_uInt32 x(0L); x < (sal_uInt32)pContent->Width(); x++) - { - const BitmapColor aBMCol(pContent->GetColor(y, x)); - const basegfx::BColor aBSource( - (double)aBMCol.GetRed() * fConvertColor, - (double)aBMCol.GetGreen() * fConvertColor, - (double)aBMCol.GetBlue() * fConvertColor); - const basegfx::BColor aBDest(rModifier.getModifiedColor(aBSource)); - - pContent->SetPixel(y, x, BitmapColor(Color(aBDest))); - } - } - - delete pContent; - } - - break; - } - } - } - - if(aChangedBitmap.IsEmpty()) - { - return BitmapEx(); - } - else - { - if(rSource.IsTransparent()) - { - if(rSource.IsAlpha()) - { - return BitmapEx(aChangedBitmap, rSource.GetAlpha()); - } - else - { - return BitmapEx(aChangedBitmap, rSource.GetMask()); - } - } - else - { - return BitmapEx(aChangedBitmap); - } - } - } -} // end of namespace drawinglayer - -////////////////////////////////////////////////////////////////////////////// -// eof - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |