00001 //--- < SURFACEDRIVER.H > -------| ViewGraph - A Flexible Graph view Framework | 00002 // 00003 // Abstraction of a drawable surface which can 00004 // use various lower-level libraries 00005 // 00006 // You will also find a base cursor class that 00007 // can be used together with the surface library 00008 // 00009 // $Author: botik32 $ 00010 // $Revision: 1.7 $ 00011 // $Date: 2004/05/25 13:14:16 $ 00012 //-----------------------------------------------------------------------------/ 00013 00014 00015 #ifndef SURFACEDRIVER_H 00016 #define SURFACEDRIVER_H 00017 00018 #include <cZUI/drivers/surfacecursor.h> 00019 #include <cZUI/drivers/mouse.h> 00020 #include <cZUI/drivers/image.h> 00021 00022 class Event; 00023 00024 typedef enum{ JUST_RIGHT, JUST_CENTER, JUST_LEFT } textjustify; 00025 00026 class SurfaceDriver{ 00027 protected: 00028 int wx, wy; 00029 unsigned char r, g, b; 00030 int thickness; 00031 public: 00032 void pen( unsigned char r, unsigned char g, unsigned char b, int thickness ); 00033 void get_pen( unsigned char& r, unsigned char& g, unsigned char& b, int& thickness ); 00034 virtual void penstyle( const char * )=0; 00035 virtual void line( double x1, double y1, double x2, double y2 )=0; 00036 virtual void dot( double x1, double y1 )=0; 00037 virtual void rectangle( double x1, double y1, double x2, double y2 )=0; 00038 virtual void circle( double x1, double y1, int radius )=0; 00039 // Start angle is less than end angle; both are in radians 00040 virtual void arc( double xc, double yc, int radius, 00041 double an1, double an2 )=0; 00042 virtual void bezier( double x1, double y1, double x2, double y2, 00043 double x3, double y3 )=0; 00044 virtual void fill_h_triangle( double x1, double y1, 00045 double x2, double y2, double x3 )=0; 00046 virtual void fill_v_triangle( double x1, double y1, 00047 double x2, double y2, double y3 )=0; 00048 virtual void fillrect( double x1, double y1, double x2, double y2, 00049 unsigned char fr, unsigned char fg, unsigned char fb )=0; 00050 00051 00052 virtual void repaint( void )=0; 00053 virtual void clear( unsigned char, unsigned char, unsigned char )=0; 00054 virtual void clear_rect( int, int, int, int, 00055 unsigned char, unsigned char, unsigned char)=0; 00056 virtual void repaint_rect( int, int, int, int )=0; 00057 00058 virtual void textout( double x1, double y1, const char *text )=0; 00059 virtual void textrect( double x1, double y1, 00060 double x2, double y2, const char *text )=0; 00061 virtual void setfont( const char * )=0; 00062 virtual void setfontsize( int )=0; 00063 virtual void setjustification( textjustify )=0; 00064 00065 /// This function returns true if the passed rectangle 00066 /// fits the surface. The default does a straight 00067 /// rectangle fit check. Depending on implementation 00068 /// details of your surface driver, you might want to 00069 /// change this function to return true if any overlap 00070 /// exists, or, like the Xp driver, use a safe bound area 00071 /// of x percent of the canvas. 00072 virtual bool rectfits( double, double, double, double ); 00073 00074 int get_w( void ); 00075 int get_h( void ); 00076 00077 // Cursor functions 00078 virtual void setcursor( SurfaceCursor * )=0; 00079 virtual SurfaceCursor* getcursor( void )=0; 00080 virtual void showcursor( bool )=0; 00081 00082 // this function returns the screen position 00083 // and cannot be used in embedded scenes. 00084 virtual void get_mousepos( int&, int& )=0; 00085 virtual msbutton get_mousestate( void )=0; 00086 00087 // this function is probably obsolete 00088 virtual void enqueue_event( Event * )=0; 00089 00090 virtual Image* load_image( const char* )=0; 00091 virtual void put_image( Image*, int destx, int desty, 00092 int imgx=0, int imgy=0, int wx=0, int wy=0 )=0; 00093 //virtual Image* create_image_from_pixels( void *pixels, 00094 //int width, int height, int pitch )=0; 00095 virtual Image* create_scaled_image( Image*, double mgf )=0; 00096 00097 // Views may take only part of the surface and will 00098 // request clipping 00099 virtual void set_cliprect( int, int, int w, int h )=0; 00100 virtual void clear_cliprect( void )=0; 00101 SurfaceDriver( int, int ); 00102 }; 00103 00104 #endif 00105 00106 /// $Log: surfacedriver.h,v $ 00107 /// Revision 1.7 2004/05/25 13:14:16 botik32 00108 /// Many bugfixes, including fix for no draw at load. 00109 /// Many fixes for ANSI compatibility (e.g. windows) 00110 /// 00111 /// Revision 1.6 2004/05/03 21:02:01 botik32 00112 /// Significant changes and many bugfixes. 00113 /// ScrollableView now has a background color used to 00114 /// tell SurfaceDriver to clear with. 00115 /// SurfaceDriver's clear() requires a color now 00116 /// Added SceneEvents for all node additions/removals 00117 /// in GroupNode and Camera. 00118 /// Added paint_selected and paint_selected_invalid 00119 /// to ActiveLeaf 00120 /// Modified ActiveLeaf's mouse_down and mouse_up 00121 /// handler signatures to accept an Event* instead of 00122 /// Camera* 00123 /// - Many more bugfixes 00124 /// 00125 /// Revision 1.5 2004/04/29 09:50:48 botik32 00126 /// Fixed the zoomablesurfaceview's put_image to work 00127 /// correctly with zooms. 00128 /// Moved convert_image_to16() from SurfaceDriver to Image. It 00129 /// is now called convert_to_565() 00130 /// Fixed bug in rgb24.cpp including rgb24.h in the wrong location 00131 /// Finished code zoom in ZoomableSurfaceView, not tested 00132 /// 00133 /// Revision 1.4 2004/04/28 09:21:25 botik32 00134 /// Major interface change in drivers: 00135 /// - Added convert_image_to16() to SurfaceDriver 00136 /// - Added get_bpp to Image 00137 /// 00138 /// Revision 1.3 2004/04/15 10:31:29 botik32 00139 /// Interface change: added arc() function to surfacedriver. 00140 /// 00141 /// Revision 1.2 2004/04/09 17:15:08 botik32 00142 /// Changes in interface: added get_pen to scrollableview and 00143 /// surfacedriver 00144 /// 00145 /// Revision 1.1.1.1 2004/03/26 10:50:27 botik32 00146 /// Initial release 00147 /// 00148 /// Revision 1.1.1.1 2004/03/26 08:53:33 botik 00149 /// initial import 00150 /// 00151 /// 00152 /// Revision 1.18 2004/03/17 09:56:38 botik 00153 /// Demo now shows camera in the small window 00154 /// ScrollableView: added clear_surface() and update_surface() 00155 /// functions 00156 /// GraphWindow: calls clear_surface() and update_surface() on update. 00157 /// 00158 /// Revision 1.17 2004/01/03 19:59:41 botik 00159 /// added text support via aedGUI 00160 /// 00161 /// Revision 1.16 2003/12/12 11:32:33 botik 00162 /// Added drivers/mouse.h 00163 /// Moved msbutton definition to drivers/mouse.h 00164 /// Added get_mousestate to SurfaceDriver 00165 /// Added get_mousestate to ScrollableView 00166 /// Changed the zoom decorator to only receive events if 00167 /// the left mouse is pressed 00168 /// Moved scroll layer beneath the zoom decorator layer 00169 /// This hopefully fixes a segfault when zoomdecorator gets 00170 /// invalid position after scroll 00171 /// 00172 /// Revision 1.15 2003/12/04 01:02:14 botik 00173 /// Added Image class to framework 00174 /// Added SDLImage class to drivers/sdxpsdl 00175 /// Added load_image to surfacedriver class 00176 /// Added put_image to surfacedriver class 00177 /// Added load_image and put_image to scrollableview class 00178 /// 00179 /// Revision 1.14 2003/11/18 17:47:20 botik 00180 /// Added triangle fill function to surface driver 00181 /// and views 00182 /// 00183 /// Revision 1.13 2003/11/18 13:54:06 botik 00184 /// Got the borderlayer to scroll well. 00185 /// 00186 /// Revision 1.12 2003/11/17 18:39:37 botik 00187 /// Added rectangle to surface driver. 00188 /// Sdxpsdl line and rectangle bugfixes 00189 /// 00190 /// Revision 1.11 2003/11/13 18:50:18 botik 00191 /// Fixed (almost) clear and update rect behaviour. 00192 /// Added update_rect to framework and sdl wrapper. 00193 /// Added mouse_in/mouse_out handling 00194 /// Fixed message handling 00195 /// Many small bugfixes 00196 /// 00197 /// Revision 1.10 2003/11/13 12:50:51 botik 00198 /// Refined the event handling architecture 00199 /// Got the event handling to recognize and treat mouse 00200 /// events accordingly 00201 /// Important fixes to ./Makefile 00202 /// 00203 /// Revision 1.9 2003/11/12 12:04:27 botik 00204 /// Further refinements of contrib/borderlayer, 00205 /// added inner event generation to view and surface 00206 /// classes, 00207 /// a few minor bugfixes 00208 /// 00209 /// Revision 1.8 2003/11/12 00:47:31 botik 00210 /// Further work on getting repaints to work, tested with 00211 /// scrolling 00212 /// 00213 /// Revision 1.7 2003/11/11 23:18:31 botik 00214 /// Got sdlxp driver to work, fixed a few architecture 00215 /// errors and some bugs 00216 /// 00217 /// Revision 1.6 2003/11/09 15:23:01 botik 00218 /// Got GraphDisplay to compile and run. 00219 /// 00220 /// Revision 1.5 2003/11/08 23:45:54 botik 00221 /// Got the framework to compile, in order to do that 00222 /// filled in some functions and added some empty 00223 /// ones as well. 00224 /// 00225 /// Revision 1.4 2003/11/07 17:51:32 botik 00226 /// Added cursor support to surfacedriver. 00227 /// SetCursor does not work yet but should be 00228 /// piece of cake 00229 /// 00230 /// Revision 1.3 2003/10/15 11:56:19 botik 00231 /// Added a new function called rectfits() that will 00232 /// check if a given rectangle fits the canvas. This 00233 /// function should be used to decide whether to draw 00234 /// an object or not. 00235 /// 00236 /// Revision 1.2 2003/10/13 16:49:42 botik 00237 /// Minor CVS-related changes such as adding the Log keyword 00238 /// 00239 /// Revision 1.1 2003/10/13 16:36:04 botik 00240 /// Recovered from changes onto an exported version. Added display_framework 00241 /// directory and changed some files in graph_display (namely those related 00242 /// to the canvas) 00243 /// 00244 00245
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