/* -*- 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 * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef _SV_BITMAPEX_HXX #define _SV_BITMAPEX_HXX #include #include #include #include // ------------------- // - TransparentType - // ------------------- enum TransparentType { TRANSPARENT_NONE, TRANSPARENT_COLOR, TRANSPARENT_BITMAP }; // ------------ // - BitmapEx - // ------------ class VCL_DLLPUBLIC BitmapEx { friend class ImpGraphic; private: Bitmap aBitmap; Bitmap aMask; Size aBitmapSize; Color aTransparentColor; TransparentType eTransparent; sal_Bool bAlpha; public: SAL_DLLPRIVATE ImpBitmap* ImplGetBitmapImpBitmap() const { return aBitmap.ImplGetImpBitmap(); } SAL_DLLPRIVATE ImpBitmap* ImplGetMaskImpBitmap() const { return aMask.ImplGetImpBitmap(); } public: BitmapEx(); BitmapEx( const ResId& rResId ); BitmapEx( const BitmapEx& rBitmapEx ); BitmapEx( const BitmapEx& rBitmapEx, Point aSrc, Size aSize ); BitmapEx( const Bitmap& rBmp ); BitmapEx( const Bitmap& rBmp, const Bitmap& rMask ); BitmapEx( const Bitmap& rBmp, const AlphaMask& rAlphaMask ); BitmapEx( const Bitmap& rBmp, const Color& rTransparentColor ); ~BitmapEx(); BitmapEx& operator=( const BitmapEx& rBitmapEx ); sal_Bool operator==( const BitmapEx& rBitmapEx ) const; sal_Bool operator!=( const BitmapEx& rBitmapEx ) const { return !(*this==rBitmapEx); } sal_Bool operator!() const { return !aBitmap; } sal_Bool IsEqual( const BitmapEx& rBmpEx ) const; sal_Bool IsEmpty() const; void SetEmpty(); void Clear(); void Draw( OutputDevice* pOutDev, const Point& rDestPt ) const; void Draw( OutputDevice* pOutDev, const Point& rDestPt, const Size& rDestSize ) const; sal_Bool IsTransparent() const; TransparentType GetTransparentType() const { return eTransparent; } Bitmap GetBitmap( const Color* pTransReplaceColor = NULL ) const; Bitmap GetMask() const; BitmapEx GetColorTransformedBitmapEx() const; sal_Bool IsAlpha() const; AlphaMask GetAlpha() const; const Size& GetSizePixel() const { return aBitmapSize; } void SetSizePixel( const Size& rNewSize ); const Size& GetPrefSize() const { return aBitmap.GetPrefSize(); } void SetPrefSize( const Size& rPrefSize ) { aBitmap.SetPrefSize( rPrefSize ); } const MapMode& GetPrefMapMode() const { return aBitmap.GetPrefMapMode(); } void SetPrefMapMode( const MapMode& rPrefMapMode ) { aBitmap.SetPrefMapMode( rPrefMapMode ); } const Color& GetTransparentColor() const { return aTransparentColor; } void SetTransparentColor( const Color& rColor ) { aTransparentColor = rColor; } sal_uInt16 GetBitCount() const { return aBitmap.GetBitCount(); } sal_uLong GetSizeBytes() const; sal_uLong GetChecksum() const; public: /** Convert bitmap format @param eConversion The format this bitmap should be converted to. @return sal_True, if the conversion was completed successfully. */ sal_Bool Convert( BmpConversion eConversion ); /** Reduce number of colors for the bitmap @param nNewColorCount Maximal number of bitmap colors after the reduce operation @param eReduce Algorithm to use for color reduction @return sal_True, if the color reduction operation was completed successfully. */ sal_Bool ReduceColors( sal_uInt16 nNewColorCount, BmpReduce eReduce = BMP_REDUCE_SIMPLE ); /** Apply a dither algorithm to the bitmap This method dithers the bitmap inplace, i.e. a true color bitmap is converted to a paletted bitmap, reducing the color deviation by error diffusion. @param nDitherFlags The algorithm to be used for dithering */ sal_Bool Dither( sal_uLong nDitherFlags = BMP_DITHER_MATRIX ); /** Crop the bitmap @param rRectPixel A rectangle specifying the crop amounts on all four sides of the bitmap. If the upper left corner of the bitmap is assigned (0,0), then this method cuts out the given rectangle from the bitmap. Note that the rectangle is clipped to the bitmap's dimension, i.e. negative left,top rectangle coordinates or exceeding width or height is ignored. @return sal_True, if cropping was performed successfully. If nothing had to be cropped, because e.g. the crop rectangle included the bitmap, sal_False is returned, too! */ sal_Bool Crop( const Rectangle& rRectPixel ); /** Expand the bitmap by pixel padding @param nDX Number of pixel to pad at the right border of the bitmap @param nDY Number of scanlines to pad at the bottom border of the bitmap @param pInitColor Color to use for padded pixel @return sal_True, if padding was performed successfully. sal_False is not only returned when the operation failed, but also if nothing had to be done, e.g. because nDX and nDY were zero. */ sal_Bool Expand( sal_uLong nDX, sal_uLong nDY, const Color* pInitColor = NULL, sal_Bool bExpandTransparent = sal_False ); /** Copy a rectangular area from another bitmap @param rRectDst Destination rectangle in this bitmap. This is clipped to the bitmap dimensions. @param rRectSrc Source rectangle in pBmpSrc. This is clipped to the source bitmap dimensions. Note further that no scaling takes place during this copy operation, i.e. only the minimum of source and destination rectangle's width and height are used. @param pBmpSrc The source bitmap to copy from. If this argument is NULL, or equal to the object this method is called on, copying takes place within the same bitmap. @return sal_True, if the operation completed successfully. sal_False is not only returned when the operation failed, but also if nothing had to be done, e.g. because one of the rectangles are empty. */ sal_Bool CopyPixel( const Rectangle& rRectDst, const Rectangle& rRectSrc, const BitmapEx* pBmpExSrc = NULL ); /** Fill the entire bitmap with the given color @param rFillColor Color value to use for filling. Set the transparency part of the color to fill the mask. @return sal_True, if the operation was completed successfully. */ sal_Bool Erase( const Color& rFillColor ); /** Perform the Invert operation on every pixel @return sal_True, if the operation was completed successfully. */ sal_Bool Invert(); /** Mirror the bitmap @param nMirrorFlags About which axis (horizontal, vertical, or both) to mirror @return sal_True, if the operation was completed successfully. */ sal_Bool Mirror( sal_uLong nMirrorFlags ); /** Scale the bitmap @param rNewSize The resulting size of the scaled bitmap @param nScaleFlag The algorithm to be used for scaling @return sal_True, if the operation was completed successfully. */ sal_Bool Scale( const Size& rNewSize, sal_uLong nScaleFlag = BMP_SCALE_FAST ); /** Scale the bitmap @param rScaleX The scale factor in x direction. @param rScaleY The scale factor in y direction. @return sal_True, if the operation was completed successfully. */ sal_Bool Scale( const double& rScaleX, const double& rScaleY, sal_uLong nScaleFlag = BMP_SCALE_FAST ); /** Rotate bitmap by the specified angle @param nAngle10 The rotation angle in tenth of a degree. The bitmap is always rotated around its center. @param rFillColor The color to use for filling blank areas. During rotation, the bitmap is enlarged such that the whole rotation result fits in. The empty spaces around that rotated original bitmap are then filled with this color. @return sal_True, if the operation was completed successfully. */ sal_Bool Rotate( long nAngle10, const Color& rFillColor ); /** Replace all pixel having the search color with the specified color @param rSearchColor Color specifying which pixel should be replaced @param rReplaceColor Color to be placed in all changed pixel @param nTol Tolerance value. Specifies the maximal difference between rSearchColor and the individual pixel values, such that the corresponding pixel is still regarded a match. @return sal_True, if the operation was completed successfully. */ sal_Bool Replace( const Color& rSearchColor, const Color& rReplaceColor, sal_uLong nTol = 0 ); /** Replace all pixel having one the search colors with the corresponding replace color @param pSearchColor Array of colors specifying which pixel should be replaced @param pReplaceColor Array of colors to be placed in all changed pixel @param nColorCount Size of the aforementioned color arrays @param nTol Tolerance value. Specifies the maximal difference between pSearchColor colors and the individual pixel values, such that the corresponding pixel is still regarded a match. @return sal_True, if the operation was completed successfully. */ sal_Bool Replace( const Color* pSearchColors, const Color* pReplaceColors, sal_uLong nColorCount, const sal_uLong* pTols = NULL ); /** Change various global color characteristics @param nLuminancePercent Percent of luminance change, valid range [-100,100]. Values outside this range are clipped to the valid range. @param nContrastPercent Percent of contrast change, valid range [-100,100]. Values outside this range are clipped to the valid range. @param nChannelRPercent Percent of red channel change, valid range [-100,100]. Values outside this range are clipped to the valid range. @param nChannelGPercent Percent of green channel change, valid range [-100,100]. Values outside this range are clipped to the valid range. @param nChannelBPercent Percent of blue channel change, valid range [-100,100]. Values outside this range are clipped to the valid range. @param fGamma Exponent of the gamma function applied to the bitmap. The value 1.0 results in no change, the valid range is (0.0,10.0]. Values outside this range are regarded as 1.0. @param bInvert If sal_True, invert the channel values with the logical 'not' operator @return sal_True, if the operation was completed successfully. */ sal_Bool Adjust( short nLuminancePercent = 0, short nContrastPercent = 0, short nChannelRPercent = 0, short nChannelGPercent = 0, short nChannelBPercent = 0, double fGamma = 1.0, sal_Bool bInvert = sal_False ); /** Apply specified filter to the bitmap @param eFilter The filter algorithm to apply @param pFilterParam Various parameter for the different bitmap filter algorithms @param pProgress A callback for showing the progress of the vectorization @return sal_True, if the operation was completed successfully. */ sal_Bool Filter( BmpFilter eFilter, const BmpFilterParam* pFilterParam = NULL, const Link* pProgress = NULL ); /** Get transparency at given position @param nX integer X-Position in Bitmap @param nY integer Y-Position in Bitmap @return transparency value in the range of [0 .. 255] where 0 is not transparent, 255 is fully transparent */ sal_uInt8 GetTransparency(sal_Int32 nX, sal_Int32 nY) const; public: friend VCL_DLLPUBLIC SvStream& operator<<( SvStream& rOStm, const BitmapEx& rBitmapEx ); friend VCL_DLLPUBLIC SvStream& operator>>( SvStream& rIStm, BitmapEx& rBitmapEx ); static BitmapEx AutoScaleBitmap(BitmapEx & aBitmap, const long aStandardSize); }; #endif // _SV_BITMAPEX_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */