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/*
sdlscreen.c
Copyright (C) 2010-2019 Amf
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
#include <libintl.h>
#include <locale.h>
#include "chroma.h"
#include "sdlfont.h"
#include "util.h"
#include "level.h"
#include "graphics.h"
SDL_Surface *screen_surface;
int screen_width;
int screen_height;
int screen_fullscreen;
int screen_bpp;
int screen_flags = SDL_SWSURFACE;
extern struct graphics* pdisplaygraphics;
void screen_size(int width, int height, int fullscreen)
{
int flags;
int i, j;
SDL_Rect **modes;
flags = screen_flags | SDL_RESIZABLE;
if(fullscreen)
flags |= SDL_FULLSCREEN;
if(width == 0 && height == 0)
{
for(j = 0; j < 2; j ++)
{
modes = SDL_ListModes(NULL, flags | (j == 1 ? SDL_FULLSCREEN : 0));
/* Are there any modes available? */
if(modes == (SDL_Rect **)0)
{
if(j == 1)
fatal(gettext("No resolutions available"));
}
/* Is resolution unrestricted? If not, examine list of modes */
else if(modes != (SDL_Rect **)-1)
{
for(i = 0; modes[i]; i ++)
{
/* and choose the largest one available, avoiding rotated options */
if(modes[i]->w >= modes[i]->h && modes[i]->w >= width && modes[i]->h >= height)
{
width = modes[i]->w;
height = modes[i]->h;
}
}
}
}
/* Fallback to defaults if we didn't find anything */
if(width == 0 && height == 0)
{
width = 640;
height = 480;
}
}
screen_surface = SDL_SetVideoMode(width, height, 0, flags);
SDL_WM_SetCaption("chroma", NULL);
SDL_ShowCursor(fullscreen ? SDL_DISABLE : SDL_ENABLE);
SDL_ShowCursor(SDL_ENABLE);
screen_width = width;
screen_height = height;
screen_fullscreen = fullscreen;
if(screen_surface == NULL)
{
/* Emergency fallback */
if(width != 640 && height != 480)
{
screen_size(640, 480, 0);
}
else
fatal(gettext("Unable to create screen in screen_size"));
}
}
void screen_clear(int r, int g, int b)
{
SDL_Rect drect;
drect.x = 0;
drect.y = 0;
drect.w = screen_width;
drect.h = screen_height;
SDL_FillRect(screen_surface, &drect, SDL_MapRGB(screen_surface->format, r, g, b));
SDL_UpdateRects(screen_surface, 1, &drect);
}
void screen_resize(int screen_width, int screen_height, int screen_fullscreen)
{
screen_size(screen_width, screen_height, screen_fullscreen);
font_resize();
graphics_reload();
}
void screen_resizeevent(SDL_Event *event)
{
screen_width = ((SDL_ResizeEvent *)event)->w;
screen_height = ((SDL_ResizeEvent *)event)->h;
screen_resize(screen_width, screen_height, screen_fullscreen);
}
void screen_redraw(int x, int y, int w, int h)
{
SDL_Rect drect;
drect.x = x;
drect.y = y;
drect.w = w;
drect.h = h;
if(drect.x < 0)
drect.x = 0;
if(drect.x >= screen_width)
return;
if(drect.y >= screen_height)
return;
if(drect.y < 0)
drect.y = 0;
if(drect.x + drect.w > screen_width)
drect.w = screen_width - drect.x;
if(drect.y + drect.h > screen_height)
drect.h = screen_height - drect.y;
SDL_UpdateRects(screen_surface, 1, &drect);
}
void screen_plotimage(SDL_Surface *psurface, int x, int y)
{
SDL_Rect drect;
if(psurface == NULL)
return;
drect.x = x;
drect.y = y;
drect.w = psurface->w;
drect.h = psurface->h;
SDL_BlitSurface(psurface, NULL, screen_surface, &drect);
screen_redraw(x, y, psurface->w, psurface->h);
}
void screen_cursor(int cursor)
{
if(!screen_fullscreen)
{
SDL_ShowCursor(SDL_ENABLE);
return;
}
SDL_ShowCursor(cursor ? SDL_ENABLE : SDL_DISABLE);
}
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