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// -*- mode: C; -*-
// jed does not understand .C
//
// Minefields:
//
// This code is mine. You may use, modify or redistribute this code
// in any APPROPRIATE manner you may choose.
//
// If you use, modify or redistribute this code, I am NOT responsible
// for ANY issue raised.
//
// ( If you modify or remove this note, this code is no longer mine. )
//
// proff@iki.fi
//
//
// Thu Dec 18 00:19:40 EET 1997 (proff@alf.melmac)
// created file gdev.C
// Current version: 0.3.0 beta #15
// Last Modified:
//
// This simplified version was originally designed for Dan Hammer
// to use in his SABRE Fighter Plane Simulator
//
#include <stdio.h>
#include "gdev.h"
gdev *G = new gdev; // "There can be only one." (Sean Connery, 'Highlander')
gdev::gdev()
{
gflags=0;
vbuf=NULL;
}
// --
// -- method open( width, height, vicinity, wwidth, wheight )
// --
// -- returns the result of opening the graphics device in resolution
// -- width * height * vicinity (if parameters are omitted values
// -- 320x200x8bpp are used) returns non-zero value when open fails
// -- NB: it is hazardous to call gdev methods on unopened device
// -- so it user is responsible to check whether this call succeed
// -- or not
// --
int gdev::open( int /* width */, int /* height*/, int /* vicinity*/, int /* wwidth*/, int /* wheight*/ )
{
fprintf( stderr, "gdev: call to abstract class gdev in %s!\n", __FILE__ );
return -1;
}
// --
// -- method setview( x0, y0, x1, y1 )
// --
// -- returns the value of setting viewport ranging upper left corner (x0,y0)
// -- to lower right corner (x1,y1) in device coordinates
// --
int gdev::setview( int /* x0*/, int /* y0*/, int /* x1*/, int /* y1*/ )
{
return -1;
}
// --
// -- method close( )
// --
// -- returns the value of closing graphics device
// -- no parameters are used nor accepted
// --
int gdev::close( void )
{
return -1;
}
// --
// -- method clear( fill, flags )
// --
// -- returns the value of clearing device/viewport by color palette index c
// -- first bit of flags (=1) clears viewport, second bit of flags (=2) clears
// -- graphics device
// --
int gdev::clear( int /* fill*/, int /* flags*/ )
{
return -1;
}
// --
// -- method update( flags )
// --
// -- returns the value of updating device from viewport framebuffer
// --
int gdev::update( int /* partial */, int /* x0 */, int /* y0 */, int /* x1 */, int /* y1 */ )
{
return -1;
}
// --
// -- method rect( x, y, w, h, c, fill )
// --
// -- returns the value of drawing rectangle ranging upper left corner (x0,y0)
// -- to lower right corner (x1,y1) in viewport coordinates
// --
int gdev::rect( int /* x*/, int /* y*/, int /* w*/, int /* h*/, int /* c*/, int /* fill*/ )
{
return -1;
}
// --
// -- method ( x, y, c )
// --
// -- returns the color palette index for viewport position (x,y)
// -- if color palette index c is not -1 viewport position (x,y) is
// -- set to c
// --
inline int gdev::pixel( int /* x*/, int /* y*/, int /* c*/ )
{
return -1;
}
// --
// -- method line( x0, y0, x1, y1, c, *fill )
// --
// -- returns the result of line draw from (x0,y0) to (x1,y1) in viewpoint
// -- coordinates using colour palette index c and fill pattern in (non-zero)
// -- pointer fill (if fill is omitted fill is considered as zero)
// --
int gdev::line( int /* x0*/, int /* y0*/, int /* x1*/, int /* y1*/, int /* c*/, void * /* fill */ )
{
return -1;
}
// --
// -- method event( wait )
// --
// -- returns pending event from input device or graphics system
// -- if wait is set to nonzero, method will block until some event
// -- occurs (if wait is omitted the value is zero ie. nonblocking)
// --
gevent *gdev::event( int /*wait*/ )
{
return NULL;
}
rgbdev8 *RGB8 = new rgbdev8;
int rgbdev8::get( int , char * , char * , char * )
{
return 0;
}
int rgbdev8::set( int , char , char , char )
{
return 0;
}
int rgbdev8::get( void * , int , int )
{
return 0;
}
int rgbdev8::set( void * , int , int )
{
return 0;
}
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