| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _SV_ALPHA_HXX |
| #define _SV_ALPHA_HXX |
| |
| #include <vcl/dllapi.h> |
| #include <vcl/bitmap.hxx> |
| |
| // ------------- |
| // - AlphaMask - |
| // ------------- |
| |
| class ImageList; |
| class BitmapEx; |
| |
| class VCL_DLLPUBLIC AlphaMask : private Bitmap |
| { |
| private: |
| friend class BitmapEx; |
| friend class OutputDevice; |
| friend bool VCL_DLLPUBLIC ReadDIBBitmapEx(BitmapEx& rTarget, SvStream& rIStm); |
| |
| SAL_DLLPRIVATE const Bitmap& ImplGetBitmap() const; |
| SAL_DLLPRIVATE void ImplSetBitmap( const Bitmap& rBitmap ); |
| |
| public: |
| |
| AlphaMask(); |
| AlphaMask( const Bitmap& rBitmap ); |
| AlphaMask( const AlphaMask& rAlphaMask ); |
| AlphaMask( const Size& rSizePixel, sal_uInt8* pEraseTransparency = NULL ); |
| virtual ~AlphaMask(); |
| |
| AlphaMask& operator=( const Bitmap& rBitmap ); |
| AlphaMask& operator=( const AlphaMask& rAlphaMask ) { return (AlphaMask&) Bitmap::operator=( rAlphaMask ); } |
| sal_Bool operator!() const { return Bitmap::operator!(); } |
| sal_Bool operator==( const AlphaMask& rAlphaMask ) const { return Bitmap::operator==( rAlphaMask ); } |
| sal_Bool operator!=( const AlphaMask& rAlphaMask ) const { return Bitmap::operator!=( rAlphaMask ); } |
| |
| const MapMode& GetPrefMapMode() const { return Bitmap::GetPrefMapMode(); } |
| void SetPrefMapMode( const MapMode& rMapMode ) { Bitmap::SetPrefMapMode( rMapMode ); } |
| |
| const Size& GetPrefSize() const { return Bitmap::GetPrefSize(); } |
| void SetPrefSize( const Size& rSize ) { Bitmap::SetPrefSize( rSize ); } |
| |
| Size GetSizePixel() const { return Bitmap::GetSizePixel(); } |
| void SetSizePixel( const Size& rNewSize, sal_uInt32 nScaleFlag = BMP_SCALE_FASTESTINTERPOLATE ) |
| { |
| Bitmap::SetSizePixel( rNewSize, nScaleFlag ); |
| } |
| |
| sal_uLong GetSizeBytes() const { return Bitmap::GetSizeBytes(); } |
| sal_uLong GetChecksum() const { return Bitmap::GetChecksum(); } |
| |
| Bitmap GetBitmap() const; |
| |
| public: |
| |
| sal_Bool Crop( const Rectangle& rRectPixel ); |
| sal_Bool Expand( sal_uLong nDX, sal_uLong nDY, sal_uInt8* pInitTransparency = NULL ); |
| sal_Bool CopyPixel( const Rectangle& rRectDst, const Rectangle& rRectSrc, const AlphaMask* pAlphaSrc = NULL ); |
| sal_Bool Erase( sal_uInt8 cTransparency ); |
| sal_Bool Invert(); |
| sal_Bool Mirror( sal_uLong nMirrorFlags ); |
| sal_Bool Scale( const Size& rNewSize, sal_uInt32 nScaleFlag = BMP_SCALE_FASTESTINTERPOLATE ); |
| sal_Bool Scale( const double& rScaleX, const double& rScaleY, sal_uInt32 nScaleFlag = BMP_SCALE_FASTESTINTERPOLATE ); |
| sal_Bool Rotate( long nAngle10, sal_uInt8 cFillTransparency ); |
| sal_Bool Replace( const Bitmap& rMask, sal_uInt8 rReplaceTransparency ); |
| sal_Bool Replace( sal_uInt8 cSearchTransparency, sal_uInt8 cReplaceTransparency, sal_uLong nTol = 0UL ); |
| sal_Bool Replace( sal_uInt8* pSearchTransparencies, sal_uInt8* pReplaceTransparencies, |
| sal_uLong nColorCount, sal_uLong* pTols = NULL ); |
| |
| public: |
| |
| BitmapReadAccess* AcquireReadAccess() { return Bitmap::AcquireReadAccess(); } |
| BitmapWriteAccess* AcquireWriteAccess() { return Bitmap::AcquireWriteAccess(); } |
| void ReleaseAccess( BitmapReadAccess* pAccess ); |
| }; |
| |
| #endif // _SV_ALPHA_HXX |
| // eof |