507 lines
19 KiB
C
507 lines
19 KiB
C
/* $Id: gr.h,v 1.28 2004-08-28 23:17:45 schaffner Exp $ */
|
|
/*
|
|
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
|
|
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
|
|
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
|
|
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
|
|
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
|
|
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
|
|
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
|
|
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
|
|
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
|
|
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
|
|
*/
|
|
|
|
/*
|
|
*
|
|
* Definitions for graphics lib.
|
|
*
|
|
*/
|
|
|
|
#ifndef _GR_H
|
|
#define _GR_H
|
|
|
|
#include "pstypes.h"
|
|
#include "fix.h"
|
|
|
|
#if defined(MACINTOSH) || defined(MACDATA)
|
|
#error native mac data currently not supported
|
|
#define SWAP_0_255 // swap black and white
|
|
#define TRANSPARENCY_COLOR 0 // palette entry of transparency color -- 0 on the mac
|
|
#define TRANSPARENCY_COLOR_STR "0"
|
|
#else /* defined(MACINTOSH) || defined(MACDATA) */
|
|
/* #undef SWAP_0_255 */ // no swapping for PC people
|
|
#define TRANSPARENCY_COLOR 255 // palette entry of transparency color -- 255 on the PC
|
|
#define TRANSPARENCY_COLOR_STR "255"
|
|
#endif /* defined(MACINTOSH) || defined(MACDATA) */
|
|
|
|
#define GR_FADE_LEVELS 34
|
|
#define GR_ACTUAL_FADE_LEVELS 32
|
|
|
|
#define GWIDTH grd_curcanv->cv_bitmap.bm_w
|
|
#define GHEIGHT grd_curcanv->cv_bitmap.bm_h
|
|
#define SWIDTH (grd_curscreen->sc_w)
|
|
#define SHEIGHT (grd_curscreen->sc_h)
|
|
|
|
#define MAX_BMP_SIZE(width, height) (4 + ((width) + 2) * (height))
|
|
|
|
extern int Gr_scanline_darkening_level;
|
|
|
|
typedef struct _grs_point {
|
|
fix x,y;
|
|
} grs_point;
|
|
|
|
//these are control characters that have special meaning in the font code
|
|
|
|
#define CC_COLOR 1 //next char is new foreground color
|
|
#define CC_LSPACING 2 //next char specifies line spacing
|
|
#define CC_UNDERLINE 3 //next char is underlined
|
|
|
|
//now have string versions of these control characters (can concat inside a string)
|
|
|
|
#define CC_COLOR_S "\x1" //next char is new foreground color
|
|
#define CC_LSPACING_S "\x2" //next char specifies line spacing
|
|
#define CC_UNDERLINE_S "\x3" //next char is underlined
|
|
|
|
#define BM_LINEAR 0
|
|
#define BM_MODEX 1
|
|
#define BM_SVGA 2
|
|
#define BM_RGB15 3 //5 bits each r,g,b stored at 16 bits
|
|
#define BM_SVGA15 4
|
|
#ifdef OGL
|
|
#define BM_OGL 5
|
|
#endif /* def OGL */
|
|
|
|
//@@// Define these modes for Gameplay too, since the game was developed under
|
|
//@@// DOS, we will adapt these modes to other systems thru rendering.
|
|
//@@#define SM_ORIGINAL -1
|
|
//@@#define SM_320x200C 0
|
|
//@@#define SM_320x200U 1
|
|
//@@#define SM_320x240U 2
|
|
//@@#define SM_360x200U 3
|
|
//@@#define SM_360x240U 4
|
|
//@@#define SM_376x282U 5
|
|
//@@#define SM_320x400U 6
|
|
//@@#define SM_320x480U 7
|
|
//@@#define SM_360x400U 8
|
|
//@@#define SM_360x480U 9
|
|
//@@#define SM_360x360U 10
|
|
//@@#define SM_376x308U 11
|
|
//@@#define SM_376x564U 12
|
|
//@@#define SM_640x400V 13
|
|
//@@#define SM_640x480V 14
|
|
//@@#define SM_800x600V 15
|
|
//@@#define SM_1024x768V 16
|
|
//@@#define SM_640x480V15 17
|
|
//@@#define SM_800x600V15 18
|
|
|
|
#define SM(w,h) ((((u_int32_t)w)<<16)+(((u_int32_t)h)&0xFFFF))
|
|
#define SM_W(m) (m>>16)
|
|
#define SM_H(m) (m&0xFFFF)
|
|
|
|
|
|
#define BM_FLAG_TRANSPARENT 1
|
|
#define BM_FLAG_SUPER_TRANSPARENT 2
|
|
#define BM_FLAG_NO_LIGHTING 4
|
|
#define BM_FLAG_RLE 8 // A run-length encoded bitmap.
|
|
#define BM_FLAG_PAGED_OUT 16 // This bitmap's data is paged out.
|
|
#define BM_FLAG_RLE_BIG 32 // for bitmaps that RLE to > 255 per row (i.e. cockpits)
|
|
|
|
typedef struct _grs_bitmap {
|
|
short bm_x,bm_y; // Offset from parent's origin
|
|
short bm_w,bm_h; // width,height
|
|
sbyte bm_type; // 0=Linear, 1=ModeX, 2=SVGA
|
|
sbyte bm_flags; // bit 0 on means it has transparency.
|
|
// bit 1 on means it has supertransparency
|
|
// bit 2 on means it doesn't get passed through lighting.
|
|
short bm_rowsize; // unsigned char offset to next row
|
|
unsigned char * bm_data; // ptr to pixel data...
|
|
// Linear = *parent+(rowsize*y+x)
|
|
// ModeX = *parent+(rowsize*y+x/4)
|
|
// SVGA = *parent+(rowsize*y+x)
|
|
unsigned short bm_handle; //for application. initialized to 0
|
|
ubyte avg_color; // Average color of all pixels in texture map.
|
|
sbyte unused; // to 4-byte align.
|
|
#ifdef OGL
|
|
struct _ogl_texture *gltexture;
|
|
struct _grs_bitmap *bm_parent;
|
|
#endif /* def OGL */
|
|
} grs_bitmap;
|
|
|
|
//font structure
|
|
typedef struct _grs_font {
|
|
short ft_w; // Width in pixels
|
|
short ft_h; // Height in pixels
|
|
short ft_flags; // Proportional?
|
|
short ft_baseline; //
|
|
ubyte ft_minchar; // First char defined by this font
|
|
ubyte ft_maxchar; // Last char defined by this font
|
|
short ft_bytewidth; // Width in unsigned chars
|
|
ubyte * ft_data; // Ptr to raw data.
|
|
ubyte ** ft_chars; // Ptrs to data for each char (required for prop font)
|
|
short * ft_widths; // Array of widths (required for prop font)
|
|
ubyte * ft_kerndata; // Array of kerning triplet data
|
|
#ifdef OGL
|
|
// These fields do not participate in disk i/o!
|
|
grs_bitmap *ft_bitmaps;
|
|
grs_bitmap ft_parent_bitmap;
|
|
#endif /* def OGL */
|
|
} __pack__ grs_font;
|
|
|
|
#define GRS_FONT_SIZE 28 // how much space it takes up on disk
|
|
|
|
typedef struct _grs_canvas {
|
|
grs_bitmap cv_bitmap; // the bitmap for this canvas
|
|
short cv_color; // current color
|
|
short cv_drawmode; // fill,XOR,etc.
|
|
grs_font * cv_font; // the currently selected font
|
|
short cv_font_fg_color; // current font foreground color (-1==Invisible)
|
|
short cv_font_bg_color; // current font background color (-1==Invisible)
|
|
} grs_canvas;
|
|
|
|
//shortcuts
|
|
#define cv_w cv_bitmap.bm_w
|
|
#define cv_h cv_bitmap.bm_h
|
|
|
|
typedef struct _grs_screen { // This is a video screen
|
|
grs_canvas sc_canvas; // Represents the entire screen
|
|
int sc_mode; // Video mode number
|
|
short sc_w, sc_h; // Actual Width and Height
|
|
fix sc_aspect; //aspect ratio (w/h) for this screen
|
|
} grs_screen;
|
|
|
|
|
|
//=========================================================================
|
|
// System functions:
|
|
// setup and set mode. this creates a grs_screen structure and sets
|
|
// grd_curscreen to point to it. grs_curcanv points to this screen's
|
|
// canvas. Saves the current VGA state and screen mode.
|
|
|
|
int gr_init(void);
|
|
|
|
// This function sets up the main screen. It should be called whenever
|
|
// the video mode changes.
|
|
int gr_init_screen(int mode, int w, int h, int x, int y, int rowsize, ubyte *data);
|
|
|
|
int gr_check_mode(u_int32_t mode);
|
|
int gr_set_mode(u_int32_t mode);
|
|
|
|
|
|
// These 4 functions actuall change screen colors.
|
|
|
|
extern void gr_pal_fade_out(unsigned char * pal);
|
|
extern void gr_pal_fade_in(unsigned char * pal);
|
|
extern void gr_pal_clear(void);
|
|
extern void gr_pal_setblock( int start, int number, unsigned char * pal );
|
|
extern void gr_pal_getblock( int start, int number, unsigned char * pal );
|
|
|
|
|
|
extern unsigned char *gr_video_memory;
|
|
// All graphic modules will define this value.
|
|
|
|
//shut down the 2d. Restore the screen mode.
|
|
void gr_close(void);
|
|
|
|
//=========================================================================
|
|
// Canvas functions:
|
|
|
|
// Makes a new canvas. allocates memory for the canvas and its bitmap,
|
|
// including the raw pixel buffer.
|
|
|
|
grs_canvas *gr_create_canvas(int w, int h);
|
|
#if defined(POLY_ACC)
|
|
grs_canvas *gr_create_canvas2(int w, int h, int type);
|
|
#endif /* def POLY_ACC */
|
|
|
|
// Creates a canvas that is part of another canvas. this can be used to make
|
|
// a window on the screen. the canvas structure is malloc'd; the address of
|
|
// the raw pixel data is inherited from the parent canvas.
|
|
|
|
grs_canvas *gr_create_sub_canvas(grs_canvas *canv,int x,int y,int w, int h);
|
|
|
|
// Initialize the specified canvas. the raw pixel data buffer is passed as
|
|
// a parameter. no memory allocation is performed.
|
|
|
|
void gr_init_canvas(grs_canvas *canv,unsigned char *pixdata,int pixtype, int w,int h);
|
|
|
|
// Initialize the specified sub canvas. no memory allocation is performed.
|
|
|
|
void gr_init_sub_canvas(grs_canvas *new,grs_canvas *src,int x,int y,int w, int h);
|
|
|
|
// Free up the canvas and its pixel data.
|
|
|
|
void gr_free_canvas(grs_canvas *canv);
|
|
|
|
// Free up the canvas. do not free the pixel data, which belongs to the
|
|
// parent canvas.
|
|
|
|
void gr_free_sub_canvas(grs_canvas *canv);
|
|
|
|
// Clear the current canvas to the specified color
|
|
void gr_clear_canvas(int color);
|
|
|
|
//=========================================================================
|
|
// Bitmap functions:
|
|
|
|
// Allocate a bitmap and its pixel data buffer.
|
|
grs_bitmap *gr_create_bitmap(int w,int h);
|
|
|
|
// Allocated a bitmap and makes its data be raw_data that is already somewhere.
|
|
grs_bitmap *gr_create_bitmap_raw(int w, int h, unsigned char * raw_data );
|
|
|
|
#if defined(POLY_ACC)
|
|
// Allocates a bitmap of a specific type. data is either NULL or raw data.
|
|
grs_bitmap *gr_create_bitmap2(int w, int h, int type, void *data );
|
|
#endif /* def POLY_ACC */
|
|
|
|
// Creates a bitmap which is part of another bitmap
|
|
grs_bitmap *gr_create_sub_bitmap(grs_bitmap *bm,int x,int y,int w, int h);
|
|
|
|
// Free the bitmap and its pixel data
|
|
void gr_free_bitmap(grs_bitmap *bm);
|
|
|
|
// Free the bitmap's data
|
|
void gr_free_bitmap_data (grs_bitmap *bm);
|
|
void gr_init_bitmap_data (grs_bitmap *bm);
|
|
|
|
// Free the bitmap, but not the pixel data buffer
|
|
void gr_free_sub_bitmap(grs_bitmap *bm);
|
|
|
|
void gr_bm_pixel( grs_bitmap * bm, int x, int y, unsigned char color );
|
|
void gr_bm_upixel( grs_bitmap * bm, int x, int y, unsigned char color );
|
|
void gr_bm_bitblt(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
|
|
void gr_bm_ubitblt( int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
|
|
void gr_bm_ubitbltm(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
|
|
|
|
#ifdef MACINTOSH
|
|
void gr_bm_ubitblt_double(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap *src, grs_bitmap *dest);
|
|
void gr_linear_movsd_double(ubyte *src, ubyte *dest, int num_pixels);
|
|
#endif /* def MACINTOSH */
|
|
|
|
void gr_update_buffer( void * sbuf1, void * sbuf2, void * dbuf, int size );
|
|
|
|
void gr_set_transparent(grs_bitmap *pbm, int bTransparent);
|
|
|
|
//=========================================================================
|
|
// Color functions:
|
|
|
|
// When this function is called, the guns are set to gr_palette, and
|
|
// the palette stays the same until gr_close is called
|
|
|
|
void gr_use_palette_table(char * filename );
|
|
void gr_copy_palette(ubyte *gr_palette, ubyte *pal, int size);
|
|
|
|
//=========================================================================
|
|
// Drawing functions:
|
|
|
|
// For solid, XOR, or other fill modes.
|
|
int gr_set_drawmode(int mode);
|
|
|
|
// Sets the color in the current canvas. should be a macro
|
|
// Use: gr_setcolor(int color);
|
|
void gr_setcolor(int color);
|
|
|
|
// Draw a polygon into the current canvas in the current color and drawmode.
|
|
// verts points to an ordered list of x,y pairs. the polygon should be
|
|
// convex; a concave polygon will be handled in some reasonable manner,
|
|
// but not necessarily shaded as a concave polygon. It shouldn't hang.
|
|
// probably good solution is to shade from minx to maxx on each scan line.
|
|
// int should really be fix
|
|
int gr_poly(int nverts,int *verts);
|
|
int gr_upoly(int nverts,int *verts);
|
|
|
|
|
|
// Draws a point into the current canvas in the current color and drawmode.
|
|
void gr_pixel(int x,int y);
|
|
void gr_upixel(int x,int y);
|
|
|
|
// Gets a pixel;
|
|
unsigned char gr_gpixel( grs_bitmap * bitmap, int x, int y );
|
|
unsigned char gr_ugpixel( grs_bitmap * bitmap, int x, int y );
|
|
|
|
// Draws a line into the current canvas in the current color and drawmode.
|
|
int gr_line(fix x0,fix y0,fix x1,fix y1);
|
|
int gr_uline(fix x0,fix y0,fix x1,fix y1);
|
|
|
|
// Draws an anti-aliased line into the current canvas in the current color and drawmode.
|
|
int gr_aaline(fix x0,fix y0,fix x1,fix y1);
|
|
int gr_uaaline(fix x0,fix y0,fix x1,fix y1);
|
|
|
|
// Draw the bitmap into the current canvas at the specified location.
|
|
void gr_bitmap(int x,int y,grs_bitmap *bm);
|
|
void gr_ubitmap(int x,int y,grs_bitmap *bm);
|
|
void gr_bitmap_scale_to(grs_bitmap *src, grs_bitmap *dst);
|
|
void show_fullscr(grs_bitmap *bm);
|
|
|
|
// bitmap function with transparency
|
|
void gr_bitmapm( int x, int y, grs_bitmap *bm );
|
|
void gr_ubitmapm( int x, int y, grs_bitmap *bm );
|
|
|
|
// Draw a rectangle into the current canvas.
|
|
void gr_rect(int left,int top,int right,int bot);
|
|
void gr_urect(int left,int top,int right,int bot);
|
|
|
|
// Draw a filled circle
|
|
int gr_disk(fix x,fix y,fix r);
|
|
int gr_udisk(fix x,fix y,fix r);
|
|
|
|
// Draw an outline circle
|
|
int gr_circle(fix x,fix y,fix r);
|
|
int gr_ucircle(fix x,fix y,fix r);
|
|
|
|
// Draw an unfilled rectangle into the current canvas
|
|
void gr_box(int left,int top,int right,int bot);
|
|
void gr_ubox(int left,int top,int right,int bot);
|
|
|
|
void gr_scanline( int x1, int x2, int y );
|
|
void gr_uscanline( int x1, int x2, int y );
|
|
|
|
|
|
// Reads in a font file... current font set to this one.
|
|
grs_font * gr_init_font( char * fontfile );
|
|
void gr_close_font( grs_font * font );
|
|
|
|
//remap a font, re-reading its data & palette
|
|
void gr_remap_font( grs_font *font, char * fontname, char *font_data );
|
|
|
|
//remap (by re-reading) all the color fonts
|
|
void gr_remap_color_fonts();
|
|
void gr_remap_mono_fonts();
|
|
|
|
// Writes a string using current font. Returns the next column after last char.
|
|
void gr_set_fontcolor( int fg, int bg );
|
|
void gr_set_curfont( grs_font * new );
|
|
int gr_string(int x, int y, char *s );
|
|
int gr_ustring(int x, int y, char *s );
|
|
int gr_printf( int x, int y, char * format, ... );
|
|
int gr_uprintf( int x, int y, char * format, ... );
|
|
void gr_get_string_size(char *s, int *string_width, int *string_height, int *average_width );
|
|
|
|
|
|
// From roller.c
|
|
void rotate_bitmap(grs_bitmap *bp, grs_point *vertbuf, int light_value);
|
|
|
|
// From scale.c
|
|
void scale_bitmap(grs_bitmap *bp, grs_point *vertbuf, int orientation );
|
|
|
|
//===========================================================================
|
|
// Global variables
|
|
extern grs_canvas *grd_curcanv; //active canvas
|
|
extern grs_screen *grd_curscreen; //active screen
|
|
extern unsigned char Test_bitmap_data[64*64];
|
|
|
|
//shortcut to look at current font
|
|
#define grd_curfont grd_curcanv->cv_font
|
|
|
|
extern int gr_renderstats;
|
|
|
|
extern unsigned int FixDivide( unsigned int x, unsigned int y );
|
|
|
|
extern void gr_show_canvas( grs_canvas *canv );
|
|
extern void gr_set_current_canvas( grs_canvas *canv );
|
|
|
|
//flags for fonts
|
|
#define FT_COLOR 1
|
|
#define FT_PROPORTIONAL 2
|
|
#define FT_KERNED 4
|
|
|
|
extern void gr_vesa_update( grs_bitmap * source1, grs_bitmap * dest, grs_bitmap * source2 );
|
|
|
|
// Special effects
|
|
extern void gr_snow_out(int num_dots);
|
|
|
|
extern void test_rotate_bitmap(void);
|
|
extern void rotate_bitmap(grs_bitmap *bp, grs_point *vertbuf, int light_value);
|
|
|
|
extern ubyte gr_palette[256*3];
|
|
extern ubyte gr_fade_table[256*GR_FADE_LEVELS];
|
|
extern ubyte gr_inverse_table[32*32*32];
|
|
|
|
extern ushort gr_palette_selector;
|
|
extern ushort gr_inverse_table_selector;
|
|
extern ushort gr_fade_table_selector;
|
|
|
|
// Remaps a bitmap into the current palette. If transparent_color is
|
|
// between 0 and 255 then all occurances of that color are mapped to
|
|
// whatever color the 2d uses for transparency. This is normally used
|
|
// right after a call to iff_read_bitmap like this:
|
|
// iff_error = iff_read_bitmap(filename,new,BM_LINEAR,newpal);
|
|
// if (iff_error != IFF_NO_ERROR) Error("Can't load IFF file <%s>, error=%d",filename,iff_error);
|
|
// if ( iff_has_transparency )
|
|
// gr_remap_bitmap( new, newpal, iff_transparent_color );
|
|
// else
|
|
// gr_remap_bitmap( new, newpal, -1 );
|
|
extern void gr_remap_bitmap( grs_bitmap * bmp, ubyte * palette, int transparent_color, int super_transparent_color );
|
|
|
|
// Same as above, but searches using gr_find_closest_color which uses
|
|
// 18-bit accurracy instead of 15bit when translating colors.
|
|
extern void gr_remap_bitmap_good( grs_bitmap * bmp, ubyte * palette, int transparent_color, int super_transparent_color );
|
|
|
|
extern void build_colormap_good( ubyte * palette, ubyte * colormap, int * freq );
|
|
|
|
extern void gr_palette_step_up( int r, int g, int b );
|
|
|
|
extern void gr_bitmap_check_transparency( grs_bitmap * bmp );
|
|
|
|
// Allocates a selector that has a base address at 'address' and length 'size'.
|
|
// Returns 0 if successful... BE SURE TO CHECK the return value since there
|
|
// is a limited number of selectors available!!!
|
|
extern int get_selector( void * address, int size, unsigned int * selector );
|
|
|
|
// Assigns a selector to a bitmap. Returns 0 if successful. BE SURE TO CHECK
|
|
// this return value since there is a limited number of selectors!!!!!!!
|
|
extern int gr_bitmap_assign_selector( grs_bitmap * bmp );
|
|
|
|
//#define GR_GETCOLOR(r,g,b) (gr_inverse_table[( (((r)&31)<<10) | (((g)&31)<<5) | ((b)&31) )])
|
|
//#define gr_getcolor(r,g,b) (gr_inverse_table[( (((r)&31)<<10) | (((g)&31)<<5) | ((b)&31) )])
|
|
//#define BM_XRGB(r,g,b) (gr_inverse_table[( (((r)&31)<<10) | (((g)&31)<<5) | ((b)&31) )])
|
|
|
|
#define BM_RGB(r,g,b) ( (((r)&31)<<10) | (((g)&31)<<5) | ((b)&31) )
|
|
#define BM_XRGB(r,g,b) gr_find_closest_color( (r)*2,(g)*2,(b)*2 )
|
|
#define GR_GETCOLOR(r,g,b) gr_find_closest_color( (r)*2,(g)*2,(b)*2 )
|
|
#define gr_getcolor(r,g,b) gr_find_closest_color( (r)*2,(g)*2,(b)*2 )
|
|
|
|
// Given: r,g,b, each in range of 0-63, return the color index that
|
|
// best matches the input.
|
|
int gr_find_closest_color( int r, int g, int b );
|
|
int gr_find_closest_color_15bpp( int rgb );
|
|
|
|
extern void gr_merge_textures( ubyte * lower, ubyte * upper, ubyte * dest );
|
|
extern void gr_merge_textures_1( ubyte * lower, ubyte * upper, ubyte * dest );
|
|
extern void gr_merge_textures_2( ubyte * lower, ubyte * upper, ubyte * dest );
|
|
extern void gr_merge_textures_3( ubyte * lower, ubyte * upper, ubyte * dest );
|
|
|
|
extern void gr_update(void);
|
|
|
|
/*
|
|
* currently SDL and OGL are the only things that supports toggling
|
|
* fullscreen. otherwise add other checks to the #if -MPM
|
|
*/
|
|
#if (defined(SDL_VIDEO) || defined(OGL))
|
|
#define GR_SUPPORTS_FULLSCREEN_TOGGLE
|
|
|
|
/*
|
|
* must return 0 if windowed, 1 if fullscreen
|
|
*/
|
|
int gr_check_fullscreen(void);
|
|
|
|
/*
|
|
* returns state after toggling (ie, same as if you had called
|
|
* check_fullscreen immediatly after)
|
|
*/
|
|
int gr_toggle_fullscreen(void);
|
|
|
|
#endif /* defined(SDL_VIDEO) || defined(OGL)) */
|
|
|
|
/* currently only OGL can toggle in the menus, because its screen data
|
|
* is not used (and stays in the same place). whereas software modes,
|
|
* toggling fullscreen would very likely make the data buffer point to
|
|
* a different location, and all the subbitmaps of it would have
|
|
* invalid addresses in them. */
|
|
#ifdef OGL
|
|
#define GR_SUPPORTS_FULLSCREEN_MENU_TOGGLE
|
|
#endif
|
|
int gr_toggle_fullscreen_menu(void);//returns state after toggling (ie, same as if you had called check_fullscreen immediatly after)
|
|
|
|
#endif /* def _GR_H */
|