00001 /***************************************************************************** 00002 * generic_bitmap.hpp 00003 ***************************************************************************** 00004 * Copyright (C) 2003 the VideoLAN team 00005 * $Id$ 00006 * 00007 * Authors: Cyril Deguet <asmax@via.ecp.fr> 00008 * Olivier Teulière <ipkiss@via.ecp.fr> 00009 * 00010 * This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. 00014 * 00015 * This program is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 * GNU General Public License for more details. 00019 * 00020 * You should have received a copy of the GNU General Public License 00021 * along with this program; if not, write to the Free Software 00022 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. 00023 *****************************************************************************/ 00024 00025 #ifndef GENERIC_BITMAP_HPP 00026 #define GENERIC_BITMAP_HPP 00027 00028 #include "skin_common.hpp" 00029 #include "../utils/pointer.hpp" 00030 #include "../utils/position.hpp" 00031 00032 00033 /// Generic interface for bitmaps 00034 class GenericBitmap: public SkinObject, public Box 00035 { 00036 public: 00037 virtual ~GenericBitmap() {} 00038 00039 /// Get a linear buffer containing the image data. 00040 /// Each pixel is stored in 4 bytes in the order B,G,R,A 00041 virtual uint8_t *getData() const = 0; 00042 00043 /// Get the number of frames in the bitmap 00044 int getNbFrames() const { return m_nbFrames; } 00045 00046 /// Get the number of frames per second (for animated bitmaps) 00047 int getFrameRate() const { return m_frameRate; } 00048 00049 protected: 00050 GenericBitmap( intf_thread_t *pIntf, int nbFrames = 1, int fps = 0); 00051 00052 private: 00053 /// Number of frames 00054 int m_nbFrames; 00055 /// Frame rate 00056 int m_frameRate; 00057 }; 00058 00059 00060 /// Basic bitmap implementation 00061 class BitmapImpl: public GenericBitmap 00062 { 00063 public: 00064 /// Create an empty bitmap of the given size 00065 BitmapImpl( intf_thread_t *pIntf, int width, int height, 00066 int nbFrames = 1, int fps = 0 ); 00067 ~BitmapImpl(); 00068 00069 /// Get the width of the bitmap 00070 virtual int getWidth() const { return m_width; } 00071 00072 /// Get the heighth of the bitmap 00073 virtual int getHeight() const { return m_height; } 00074 00075 /// Get a linear buffer containing the image data. 00076 /// Each pixel is stored in 4 bytes in the order B,G,R,A 00077 virtual uint8_t *getData() const { return m_pData; } 00078 00079 // Copy a region of another bitmap on this bitmap 00080 bool drawBitmap( const GenericBitmap &rSource, int xSrc, int ySrc, 00081 int xDest, int yDest, int width, int height ); 00082 00083 private: 00084 /// Size of the bitmap. 00085 int m_width, m_height; 00086 /// Buffer containing the image data. 00087 uint8_t *m_pData; 00088 }; 00089 00090 00091 typedef CountedPtr<GenericBitmap> GenericBitmapPtr; 00092 00093 #endif
1.5.1