1 /***************************************************************************** 2 * os2_graphics.hpp 3 ***************************************************************************** 4 * Copyright (C) 2003, 2013 the VideoLAN team 5 * 6 * Authors: Cyril Deguet <asmax@via.ecp.fr> 7 * Olivier Teulière <ipkiss@via.ecp.fr> 8 * KO Myung-Hun <komh@chollian.net> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with this program; if not, write to the Free Software Foundation, Inc., 22 * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. 23 *****************************************************************************/ 24 25 #ifndef OS2_GRAPHICS_HPP 26 #define OS2_GRAPHICS_HPP 27 28 #include "../src/os_graphics.hpp" 29 30 31 class GenericBitmap; 32 33 /// OS2 implementation of OSGraphics 34 class OS2Graphics: public OSGraphics 35 { 36 public: 37 OS2Graphics( intf_thread_t *pIntf, int width, int height ); 38 virtual ~OS2Graphics(); 39 40 /// Clear the graphics 41 virtual void clear( int xDest = 0, int yDest = 0, 42 int width = -1, int height = -1 ); 43 44 /// Render a bitmap on this graphics 45 virtual void drawBitmap( const GenericBitmap &rBitmap, int xSrc = 0, 46 int ySrc = 0, int xDest = 0, int yDest = 0, 47 int width = -1, int height = -1, 48 bool blend = false ); 49 50 /// Draw another graphics on this one 51 virtual void drawGraphics( const OSGraphics &rGraphics, int xSrc = 0, 52 int ySrc = 0, int xDest = 0, int yDest = 0, 53 int width = -1, int height = -1 ); 54 55 /// Draw an empty rectangle on the grahics (color is #RRGGBB) 56 virtual void drawRect( int left, int top, int width, int height, 57 uint32_t color ); 58 59 60 /// Draw a filled rectangle on the grahics (color is #RRGGBB) 61 virtual void fillRect( int left, int top, int width, int height, 62 uint32_t color ); 63 64 /// Set the shape of a window with the mask of this graphics. 65 virtual void applyMaskToWindow( OSWindow &rWindow ); 66 67 /// Copy the graphics on a window 68 virtual void copyToWindow( OSWindow &rWindow, int xSrc, 69 int ySrc, int width, int height, 70 int xDest, int yDest ); 71 72 /// Tell whether the pixel at the given position is visible 73 virtual bool hit( int x, int y ) const; 74 75 /// Getters for the size getWidth() const76 virtual int getWidth() const { return m_width; } getHeight() const77 virtual int getHeight() const { return m_height; } 78 79 /// Get the device context handler getPS() const80 virtual HDC getPS() const { return m_hps; } 81 82 /// Get the mask getMask() const83 virtual HRGN getMask() const { return m_mask; } 84 85 private: 86 /// Size of the image 87 int m_width, m_height; 88 89 /// Device context 90 HDC m_hdc; 91 92 /// Presentaiton space 93 HPS m_hps; 94 95 /// Bitmap handle 96 HBITMAP m_hbm; 97 98 /// Transparency mask 99 HRGN m_mask; 100 101 /// Add a segment in a region 102 void addSegmentInRegion( HRGN &rMask, int start, int end, int line, 103 int height ); 104 105 /// check boundaries for graphics and bitmaps 106 bool checkBoundaries( int x_src, int y_src, int w_src, int h_src, 107 int& x_target, int& y_target, 108 int& w_target, int& h_target ); 109 110 /// invert Y of a point against the given height invertPointY(int y,int height) const111 int invertPointY( int y, int height ) const 112 { 113 return ( height - 1 ) - y; 114 } 115 116 /// invert Y of a point against the m_height invertPointY(int y) const117 int invertPointY( int y ) const 118 { 119 return ( m_height - 1 ) - y; 120 } 121 122 /// invert Y of a rectangular against the given height invertRectY(int y,int height) const123 int invertRectY( int y, int height ) const 124 { 125 // bottom is inclusive, top is exclusive 126 // the following is the short of ( height - 1 ) - ( y - 1 ) 127 return height - y; 128 } 129 130 /// invert Y of a rectangular against the m_height invertRectY(int y) const131 int invertRectY( int y ) const 132 { 133 // bottom is inclusive, top is exclusive 134 // the following is the short of ( m_height - 1 ) - ( y - 1 ) 135 return m_height - y; 136 } 137 }; 138 139 140 #endif 141