vcl/unx/generic/dtrans/bmp.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <X11/Xlib.h>
  23 #include <X11/Xutil.h>
  24
  25 #include <com/sun/star/uno/Sequence.hxx>
  26 #include <sal/types.h>
  27
  28 namespace x11 {
  29
  30 // helper methods
  31 sal_uInt8* X11_getBmpFromPixmap( Display* pDisplay,
  32                                  Drawable aDrawable,
  33                                  Colormap aColormap,
  34                                  sal_Int32& rOutSize );
  35
  36 class PixmapHolder
  37 {
  38     Display*        m_pDisplay;
  39     Colormap        m_aColormap;
  40     Pixmap          m_aPixmap;
  41     Pixmap          m_aBitmap;
  42     XVisualInfo     m_aInfo;
  43
  44     int             m_nRedShift;
  45     int             m_nGreenShift;
  46     int             m_nBlueShift;
  47     tools::ULong    m_nBlueShift2Mask, m_nRedShift2Mask, m_nGreenShift2Mask;
  48
  49     // these expect data pointers to bitmapinfo header
  50     void setBitmapDataTC( const sal_uInt8* pData, XImage* pImage );
  51     void setBitmapDataTCDither( const sal_uInt8* pData, XImage* pImage );
  52     void setBitmapDataPalette( const sal_uInt8* pData, XImage* pImage );
  53
  54     tools::ULong getTCPixel( sal_uInt8 r, sal_uInt8 g, sal_uInt8 b ) const;
  55 public:
  56     PixmapHolder( Display* pDisplay );
  57     ~PixmapHolder();
  58
  59     // accepts bitmap file (including bitmap file header)
  60     Pixmap setBitmapData( const sal_uInt8* pData );
  61     bool needsConversion( const sal_uInt8* pData ) const;
  62
  63     Colormap getColormap() const { return m_aColormap; }
  64     Pixmap getPixmap() const { return m_aPixmap; }
  65     Pixmap getBitmap() const { return m_aBitmap; }
  66     VisualID getVisualID() const { return m_aInfo.visualid; }
  67     int getDepth() const { return m_aInfo.depth; }
  68 };
  69
  70 css::uno::Sequence<sal_Int8> convertBitmapDepth(
  71     css::uno::Sequence<sal_Int8> const & data, int depth);
  72
  73 }
  74
  75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */