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/***************************************************************************
graphics.cpp - description
-------------------
begin : Sat Dec 18 1999
copyright : (C) 1999 by Martin Bickel
email : bickel@asc-hq.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <stdlib.h>
#include <SDL.h>
#include "graphics.h"
#include "../basegfx.h"
#include "../global.h"
#include "../ascstring.h"
#include "../messaginghub.h"
#include "sdlstretch.cpp"
SDL_Surface *screen = NULL;
int fullscreen = 1;
void setWindowCaption ( const char* s )
{
SDL_WM_SetCaption ( s, NULL );
}
bool dummyScreenPaletteSetup = false;
void initASCGraphicSubsystem ( SDL_Surface* _screen )
{
screen = _screen;
agmp->resolutionx = screen->w;
agmp->resolutiony = screen->h;
agmp->windowstatus = 100;
agmp->scanlinenumber = screen->h;
agmp->byteperpix = 1 ;
agmp->bitperpix = 8;
agmp->directscreenaccess = 0;
delete agmp->surface;
if ( _screen->format->BitsPerPixel == 8 ) {
agmp->surface = new Surface ( _screen );
dummyScreenPaletteSetup = true;
} else {
agmp->surface = new Surface( Surface::createSurface(screen->w, screen->h, 8 ));
dummyScreenPaletteSetup = false;
}
agmp->linearaddress = (PointerSizedInt) agmp->surface->pixels();
agmp->scanlinelength = agmp->bytesperscanline = agmp->surface->pitch();
*hgmp = *agmp;
}
void shutdownASCGraphicSubsystem()
{
if ( agmp && agmp->surface )
delete agmp->surface;
}
/*
SDL_Surface* getScreen()
{
return screen;
}
*/
Surface& getActiveSurface()
{
return *agmp->surface;
}
//*********** Misc ************
int copy2screen( void )
{
#ifdef _WIN32_
// SDL_ShowCursor(0);
#endif
if ( !dummyScreenPaletteSetup ) {
hgmp->surface->assignDefaultPalette();
dummyScreenPaletteSetup = true;
}
if ( screen->format->BitsPerPixel > 8 )
SDL_BlitSurface( hgmp->surface->getBaseSurface() , NULL, screen, NULL );
SDL_UpdateRect ( screen , 0,0,0,0 );
#ifdef _WIN32_
// SDL_ShowCursor(1);
#endif
return 0;
}
int copy2screen( int x1, int y1, int x2, int y2 )
{
MouseHider mouseHider;
if ( !dummyScreenPaletteSetup ) {
hgmp->surface->assignDefaultPalette();
dummyScreenPaletteSetup = true;
}
if ( screen->format->BitsPerPixel > 8 ) {
SDL_Rect r;
r.x = min(x1,x2);
r.y = min(y1,y2);
r.w = abs(x2-x1)+1;
r.h = abs(y2-y1)+1;
SDL_BlitSurface( hgmp->surface->getBaseSurface() , &r, screen, &r );
}
if ( x1 == -1 || y1 == -1 || x2 == -1 || y2 == -1 )
SDL_UpdateRect ( screen , 0,0,0,0 );
else
if ( x1 <= x2 && y1 <= y2 )
SDL_UpdateRect ( screen , x1, y1, x2-x1+1, y2-y1+1 );
else
if( x1 > x2 )
SDL_UpdateRect ( screen , x2, y1, x1-x2+1, y2-y1+1 );
else
SDL_UpdateRect ( screen , x1, y2, x2-x1+1, y1-y2+1 );
return 0;
}
MouseHider::MouseHider() : locked(true)
{
#ifdef _WIN32_
SDL_GetMouseState(&x, &y);
SDL_ShowCursor(0);
#endif
}
void MouseHider::unlock()
{
#ifdef _WIN32_
SDL_WarpMouse(x, y);
SDL_ShowCursor(1);
// SDL_WarpMouse(x, y);
locked = false;
#endif
}
MouseHider::~MouseHider()
{
if ( locked )
unlock();
}
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