diff options
Diffstat (limited to 'modules/libgrbase')
-rw-r--r-- | modules/libgrbase/Makefile | 660 | ||||
-rw-r--r-- | modules/libgrbase/Makefile.am | 14 | ||||
-rw-r--r-- | modules/libgrbase/Makefile.in | 660 | ||||
-rw-r--r-- | modules/libgrbase/bitwise_map.h | 34 | ||||
-rw-r--r-- | modules/libgrbase/g_bitmap.c | 463 | ||||
-rw-r--r-- | modules/libgrbase/g_bitmap.h | 131 | ||||
-rw-r--r-- | modules/libgrbase/g_blendop.c | 448 | ||||
-rw-r--r-- | modules/libgrbase/g_blendop.h | 46 | ||||
-rw-r--r-- | modules/libgrbase/g_clear.c | 222 | ||||
-rw-r--r-- | modules/libgrbase/g_clear.h | 39 | ||||
-rw-r--r-- | modules/libgrbase/g_conversion.c | 481 | ||||
-rw-r--r-- | modules/libgrbase/g_conversion.h | 40 | ||||
-rw-r--r-- | modules/libgrbase/g_grlib.c | 353 | ||||
-rw-r--r-- | modules/libgrbase/g_grlib.h | 52 | ||||
-rw-r--r-- | modules/libgrbase/g_pal.c | 832 | ||||
-rw-r--r-- | modules/libgrbase/g_pal.h | 133 | ||||
-rw-r--r-- | modules/libgrbase/g_region.h | 43 | ||||
-rw-r--r-- | modules/libgrbase/libgrbase.c | 65 | ||||
-rw-r--r-- | modules/libgrbase/libgrbase.h | 60 | ||||
-rw-r--r-- | modules/libgrbase/libgrbase_exports.h | 51 | ||||
-rw-r--r-- | modules/libgrbase/resolution.h | 86 |
21 files changed, 4913 insertions, 0 deletions
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info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am \ + install-libLTLIBRARIES install-man install-pdf install-pdf-am \ + install-ps install-ps-am install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags uninstall uninstall-am uninstall-libLTLIBRARIES + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/modules/libgrbase/bitwise_map.h b/modules/libgrbase/bitwise_map.h new file mode 100644 index 0000000..fdcf990 --- /dev/null +++ b/modules/libgrbase/bitwise_map.h @@ -0,0 +1,34 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __BITWISE_MAP_H +#define __BITWISE_MAP_H + +#define bit_set(m,b) (((uint32_t *)(m))[(b)>>5] |= 1<<((b)&0x1F)) +#define bit_clr(m,b) (((uint32_t *)(m))[(b)>>5] &= ~(1<<((b)&0x1F))) +#define bit_tst(m,b) (((uint32_t *)(m))[(b)>>5] & (1<<((b)&0x1F))) + +#endif diff --git a/modules/libgrbase/g_bitmap.c b/modules/libgrbase/g_bitmap.c new file mode 100644 index 0000000..db88afb --- /dev/null +++ b/modules/libgrbase/g_bitmap.c @@ -0,0 +1,463 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ + +#include <stdlib.h> +#include <string.h> + +#include "libgrbase.h" +#include "bitwise_map.h" + +/* --------------------------------------------------------------------------- */ + +uint32_t * map_code_bmp = NULL ; +int map_code_allocated = 0 ; +int map_code_last = 0; + +/* --------------------------------------------------------------------------- */ + +PIXEL_FORMAT * bitmap_create_format( int bpp ) +{ + PIXEL_FORMAT *format; + + /* Allocate an empty pixel format structure */ + format = malloc( sizeof( *format ) ); + if ( !format ) return( NULL ); + + /* Set up the format */ + + format->palette = NULL; + format->depth = bpp; + format->depthb = ( bpp + 7 ) / 8; + + if ( bpp == 32 ) + { + format->Aloss = 0; + format->Rloss = 0; + format->Gloss = 0; + format->Bloss = 0; + + format->Ashift = 24; + format->Rshift = 16; + format->Gshift = 8; + format->Bshift = 0; + + format->Amask = 0xFF000000; + format->Rmask = 0x00FF0000; + format->Gmask = 0x0000FF00; + format->Bmask = 0x000000FF; + } + else if ( bpp > 8 ) + { + /* R-G-B */ + if ( bpp > 24 ) bpp = 24; + + format->Rloss = 8 - ( bpp / 3 ); + format->Gloss = 8 - ( bpp / 3 ) - ( bpp % 3 ); + format->Bloss = 8 - ( bpp / 3 ); + + format->Rshift = (( bpp / 3 ) + ( bpp % 3 ) ) + ( bpp / 3 ); + format->Gshift = ( bpp / 3 ); + format->Bshift = 0; + + format->Rmask = (( 0xFF >> format->Rloss ) << format->Rshift ); + format->Gmask = (( 0xFF >> format->Gloss ) << format->Gshift ); + format->Bmask = (( 0xFF >> format->Bloss ) << format->Bshift ); + } + else + { + format->Rloss = 8; + format->Gloss = 8; + format->Bloss = 8; + format->Aloss = 8; + + format->Rshift = 0; + format->Gshift = 0; + format->Bshift = 0; + format->Ashift = 0; + + format->Rmask = 0; + format->Gmask = 0; + format->Bmask = 0; + format->Amask = 0; + } + + return( format ); +} + +/* --------------------------------------------------------------------------- */ + +GRAPH * bitmap_new_ex( int code, int w, int h, int depth, void * data, int pitch ) +{ + GRAPH * gr ; + int wb ; + + if ( w < 1 || h < 1 ) return NULL; + + /* Create and fill the struct */ + + gr = ( GRAPH * ) malloc( sizeof( GRAPH ) ) ; + if ( !gr ) return NULL; // sin memoria + + /* Calculate the row size (dword-aligned) */ + + wb = w * depth / 8; + if (( wb * 8 / depth ) < w ) wb++; + + gr->data = data ; + + gr->width = w ; + gr->height = h ; + + gr->format = bitmap_create_format( depth ) ; + + gr->pitch = pitch ; + gr->widthb = wb ; + + gr->code = code ; + gr->name[ 0 ] = '\0'; + + gr->ncpoints = 0; + gr->cpoints = NULL ; + + gr->format->palette = NULL ; + + gr->blend_table = NULL ; + + gr->modified = 0; + gr->info_flags = GI_EXTERNAL_DATA ; + + return gr ; +} + +/* --------------------------------------------------------------------------- */ + +GRAPH * bitmap_new( int code, int w, int h, int depth ) +{ + GRAPH * gr ; + int bytesPerRow, wb ; + + if ( w < 1 || h < 1 ) return NULL; + + /* Create and fill the struct */ + + gr = ( GRAPH * ) malloc( sizeof( GRAPH ) ) ; + if ( !gr ) return NULL; // sin memoria + + /* Calculate the row size (dword-aligned) */ + + wb = w * depth / 8; + if (( wb * 8 / depth ) < w ) wb++; + + bytesPerRow = wb; + if ( bytesPerRow & 0x03 ) bytesPerRow = ( bytesPerRow & ~3 ) + 4; + + gr->data = ( char * ) malloc( h * bytesPerRow ) ; + if ( !gr->data ) // Sin memoria + { + free( gr ); + return NULL; + } + + gr->width = w ; + gr->height = h ; + + gr->format = bitmap_create_format( depth ) ; + + gr->pitch = bytesPerRow ; + gr->widthb = wb ; + + gr->code = code ; + gr->name[ 0 ] = '\0'; + + gr->ncpoints = 0; + gr->cpoints = NULL ; + + gr->format->palette = NULL ; + + gr->blend_table = NULL ; + + gr->modified = 0; + gr->info_flags = 0; + + return gr ; +} + +/* --------------------------------------------------------------------------- */ + +GRAPH * bitmap_clone( GRAPH * map ) +{ + GRAPH * gr ; + uint32_t y; + + gr = bitmap_new( 0, map->width, map->height, map->format->depth ) ; + if ( gr == NULL ) return NULL; + + for ( y = 0 ; y < map->height ; y++ ) + memcpy(( uint8_t* ) gr->data + gr->pitch * y, ( uint8_t* ) map->data + gr->pitch * y, gr->widthb ); + + if ( map->cpoints ) + { + gr->cpoints = malloc( sizeof( CPOINT ) * map->ncpoints ) ; + memcpy( gr->cpoints, map->cpoints, sizeof( CPOINT ) * map->ncpoints ) ; + gr->ncpoints = map->ncpoints ; + } + + gr->blend_table = map->blend_table; + gr->info_flags = map->info_flags & ~GI_EXTERNAL_DATA ; + gr->modified = map->modified ; + gr->format->palette = map->format->palette ; + pal_use( map->format->palette ); + + memcpy( gr->name, map->name, sizeof( map->name ) ) ; + + return gr ; +} + +/* --------------------------------------------------------------------------- */ + +void bitmap_add_cpoint( GRAPH * map, int x, int y ) +{ + map->cpoints = ( CPOINT * ) realloc( map->cpoints, ( map->ncpoints + 1 ) * sizeof( CPOINT ) ) ; + map->cpoints[ map->ncpoints ].x = x ; + map->cpoints[ map->ncpoints ].y = y ; + map->ncpoints++; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : bitmap_set_cpoint + * + * Set a control point in a graphic + * + * PARAMS : + * map Pointer to the bitmap + * point Control point index + * x New X coordinate or CPOINT_UNDEFINED to unset + * y New Y coordinate or CPOINT_UNDEFINED to unset + * + * RETURN VALUE : + * None + * + */ + +void bitmap_set_cpoint( GRAPH * map, uint32_t point, int x, int y ) +{ + uint32_t n; + + if ( point < 0 ) return ; + + if ( point == 0 && !map->modified ) map->modified = 1; + + if ( map->ncpoints <= point ) + { + map->cpoints = ( CPOINT * ) realloc( map->cpoints, ( point + 1 ) * sizeof( CPOINT ) ) ; + for ( n = map->ncpoints; n < point; n++ ) + { + map->cpoints[ n ].x = CPOINT_UNDEFINED; + map->cpoints[ n ].y = CPOINT_UNDEFINED; + } + map->ncpoints = point + 1 ; + } + map->cpoints[ point ].x = x; + map->cpoints[ point ].y = y; +} + +/* --------------------------------------------------------------------------- */ + +void bitmap_destroy( GRAPH * map ) +{ + if ( !map ) return ; + + if ( map->cpoints ) free( map->cpoints ) ; + + if ( map->code > 999 ) bit_clr( map_code_bmp, map->code - 1000 ); + + if ( map->data && !( map->info_flags & GI_EXTERNAL_DATA ) ) free( map->data ) ; + + if ( map->format ) + { + if ( map->format->palette ) pal_destroy( map->format->palette ) ; + free ( map->format ); + } + + free( map ) ; +} + +/* --------------------------------------------------------------------------- */ +/* Análisis */ + +void bitmap_analize( GRAPH * bitmap ) +{ + uint32_t x, y; + int color_present = 0, tranparent_present = 0; + + if ( bitmap->modified > 1 ) bitmap->modified = 1 ; + + bitmap->info_flags &= ~( GI_CLEAN | GI_NOCOLORKEY ); + + /* Search for transparent pixels (value 0). + * If none found, set the flag GI_NOCOLORKEY */ + + switch ( bitmap->format->depth ) + { + case 8: + { + uint8_t * ptr = ( uint8_t * ) bitmap->data ; + int inc = bitmap->pitch - bitmap->widthb ; + + for ( y = bitmap->height; y--; ptr = ((( uint8_t * ) ptr ) + inc ) ) + { + for ( x = bitmap->width; x--; ) { + if ( *ptr ) color_present = 1; + if ( !*ptr++ ) tranparent_present = 1; + } + if ( color_present && tranparent_present ) break; + } + } + break; + case 16: + { + int16_t * ptr = ( int16_t * ) bitmap->data ; + int inc = bitmap->pitch - bitmap->widthb ; + + for ( y = bitmap->height; y--; ptr = ( int16_t * )((( uint8_t * ) ptr ) + inc ) ) + { + for ( x = bitmap->width; x--; ) { + if ( *ptr ) color_present = 1; + if ( !*ptr++ ) tranparent_present = 1; + } + if ( color_present && tranparent_present ) break; + } + } + break; + case 32: + { + int32_t * ptr = ( int32_t * ) bitmap->data ; + int inc = bitmap->pitch - bitmap->widthb ; + + for ( y = bitmap->height; y--; ptr = ( int32_t * )((( uint8_t * ) ptr ) + inc ) ) + { + for ( x = bitmap->width; x--; ) { + if ( ( *ptr & 0xff000000 ) != 0x00000000 ) color_present = 1; + if ( !*ptr ) tranparent_present = 1; + ptr++; + } + if ( color_present && tranparent_present ) break; + } + } + } + + if ( color_present && !tranparent_present ) { + bitmap->info_flags |= GI_NOCOLORKEY ; + } else + if ( !color_present && tranparent_present ) { + bitmap->info_flags |= GI_CLEAN ; + } +} + +/* --------------------------------------------------------------------------- */ +/* Returns the code of a new system library graph (1000+). Searchs + for free slots if the program creates too many system maps */ + +int bitmap_next_code() +{ + int n, nb, lim, ini ; + + // Si tengo suficientes alocados, retorno el siguiente segun map_code_last + if ( map_code_last < map_code_allocated ) + { + if ( !bit_tst( map_code_bmp, map_code_last ) ) + { + bit_set( map_code_bmp, map_code_last ); + return 1000 + map_code_last++ ; + } + } + + // Ya no tengo mas espacio, entonces busco alguno libre entre ~+32 desde el ultimo fijo y ~-32 del ultimo asignado + + ini = ( map_code_last < map_code_allocated ) ? ( map_code_last >> 5 ) : 0 ; + lim = ( map_code_allocated >> 5 ) ; + + while ( 1 ) + { + for ( n = ini; n < lim ; n++ ) + { + if ( map_code_bmp[n] != ( uint32_t ) 0xFFFFFFFF ) // Aca hay 1 libre, busco cual es + { + for ( nb = 0; nb < 32; nb++ ) + { + if ( !bit_tst( map_code_bmp + n, nb ) ) + { + map_code_last = ( n << 5 ) + nb ; + bit_set( map_code_bmp, map_code_last ); + return 1000 + map_code_last++ ; + } + } + } + } + if ( !ini ) break; + lim = ini; + ini = 0; + } + + map_code_last = map_code_allocated ; + + // Increment space, no more slots availables + // 256 new maps available for alloc + + map_code_allocated += 256 ; + map_code_bmp = ( uint32_t * ) realloc( map_code_bmp, sizeof( uint32_t ) * ( map_code_allocated >> 5 ) ); + + memset( &map_code_bmp[( map_code_last >> 5 )], 0, 32 ); /* 256 >> 5 = 8 * sizeof ( uint32_t ) = 8 * 4 = 32 */ + + // Devuelvo map_code_last e incremento en 1, ya que ahora tengo BLOCK_INCR mas que antes + bit_set( map_code_bmp, map_code_last ); + return 1000 + map_code_last++ ; + +} + +/* --------------------------------------------------------------------------- */ + +GRAPH * bitmap_new_syslib( int w, int h, int depth ) +{ + GRAPH * gr ; + + if ( !syslib ) return NULL; + + gr = bitmap_new( 0, w, h, depth ) ; + if ( !gr ) return NULL; + + gr->code = bitmap_next_code() ; + grlib_add_map( 0, gr ) ; + + return gr ; +} + +/* --------------------------------------------------------------------------- */ diff --git a/modules/libgrbase/g_bitmap.h b/modules/libgrbase/g_bitmap.h new file mode 100644 index 0000000..d98bbe5 --- /dev/null +++ b/modules/libgrbase/g_bitmap.h @@ -0,0 +1,131 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __BITMAP_H +#define __BITMAP_H + +#include "g_pal.h" + +/* --------------------------------------------------------------------------- */ + +#define GI_NOCOLORKEY 0x00000001 /* info_flags bits */ +#define GI_CLEAN 0x40000000 /* the graphic is clean (no data) */ +#define GI_EXTERNAL_DATA 0x80000000 /* data area is external, it don't belong to bitmap */ + +#define GI_ANALIZE_MASK GI_NOCOLORKEY + +#define CPOINT_UNDEFINED 32767 /* It's enough if X is set to this value */ + +/* --------------------------------------------------------------------------- */ + +typedef struct _cpoint +{ + short int x; + short int y; +} +CPOINT; + +typedef struct _pixel_format +{ + PALETTE * palette; /* Palette for 8 bits graphics */ + + uint8_t depth; /* bits per pixel */ + uint8_t depthb; /* bytes per pixel */ + + uint8_t Rloss; + uint8_t Gloss; + uint8_t Bloss; + uint8_t Aloss; + + uint8_t Rshift; + uint8_t Gshift; + uint8_t Bshift; + uint8_t Ashift; + + uint32_t Rmask; + uint32_t Gmask; + uint32_t Bmask; + uint32_t Amask; +} +PIXEL_FORMAT; + +typedef struct _bitmap +{ + int code; /* Identifier of the graphic (in the graphic library) */ + char name[ 64 ]; /* Name of the graphic */ + + uint32_t width; /* Width of a bitmap frame in pixels */ + uint32_t height; /* Height of a bitmap frame in pixels */ + + uint32_t pitch; /* Bytes of distance between bitmap lines */ + uint32_t widthb; /* Width of a bitmap frame in bytes */ + + PIXEL_FORMAT * format; /* Pixel format */ + + /* Runtime use */ + int modified; /* 0 - bitmap not modified + 1 - bitmap is modified + 2 - bitmap is modified and needs analysis + */ + int info_flags; /* Analysis result (see bitmap_analize) */ + + void * data; /* Pointer to the bitmap data at current frame */ + + uint32_t ncpoints; /* Number of control points */ + CPOINT * cpoints; /* Pointer to the control points ([0] = center) */ + + /* Blend Ops */ + int16_t * blend_table; /* Pointer to 16 bits blend table if any */ + + /* Linked list of all bitmaps in memory */ +/* + struct _bitmap * next; + struct _bitmap * prev; +*/ +} +GRAPH; + +/* --------------------------------------------------------------------------- */ + +extern GRAPH * bitmap_new( int code, int w, int h, int depth ); +extern GRAPH * bitmap_new_ex( int code, int w, int h, int depth, void * data, int pitch ); +extern GRAPH * bitmap_clone( GRAPH * t ); +extern GRAPH * bitmap_new_syslib( int w, int h, int depth ); +extern void bitmap_destroy( GRAPH * map ); +extern void bitmap_destroy_fake( GRAPH * map ); +extern void bitmap_add_cpoint( GRAPH *map, int x, int y ); +extern void bitmap_set_cpoint( GRAPH * map, uint32_t point, int x, int y ); +extern void bitmap_analize( GRAPH * bitmap ); + +extern PIXEL_FORMAT * bitmap_create_format( int bpp ); + +extern int bitmap_next_code(); + +/* --------------------------------------------------------------------------- */ + +#endif diff --git a/modules/libgrbase/g_blendop.c b/modules/libgrbase/g_blendop.c new file mode 100644 index 0000000..d05784b --- /dev/null +++ b/modules/libgrbase/g_blendop.c @@ -0,0 +1,448 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ + +#include <stdlib.h> +#include "libgrbase.h" + +/* --------------------------------------------------------------------------- */ + +/* Fast macros for color component extraction from a 16 bits value */ + +#define GETR(color) (((color & sys_pixel_format->Rmask) >> sys_pixel_format->Rshift) << sys_pixel_format->Rloss) +#define GETG(color) (((color & sys_pixel_format->Gmask) >> sys_pixel_format->Gshift) << sys_pixel_format->Gloss) +#define GETB(color) (((color & sys_pixel_format->Bmask) >> sys_pixel_format->Bshift) << sys_pixel_format->Bloss) + +/* Fast macros for color composition */ + +#define MAKERGB_SATURATE(r,g,b) \ + ( \ + ((int)(r) > 255 ? sys_pixel_format->Rmask : (((int)(r) >> sys_pixel_format->Rloss) << sys_pixel_format->Rshift)) | \ + ((int)(g) > 255 ? sys_pixel_format->Gmask : (((int)(g) >> sys_pixel_format->Gloss) << sys_pixel_format->Gshift)) | \ + ((int)(b) > 255 ? sys_pixel_format->Bmask : (((int)(b) >> sys_pixel_format->Bloss) << sys_pixel_format->Bshift)) \ + ) + +#define MAKERGB(r,g,b) \ + ( \ + (((int)(r) >> sys_pixel_format->Rloss) << sys_pixel_format->Rshift) | \ + (((int)(g) >> sys_pixel_format->Gloss) << sys_pixel_format->Gshift) | \ + (((int)(b) >> sys_pixel_format->Bloss) << sys_pixel_format->Bshift) \ + ) + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : blend_init + * + * Initialize a blend table as a copy operation + * + * Src_param = Src_color + * Dst_param = 0 + * + * PARAMS : + * blend Pointer to the blend table + * amount Color component factor (1.0f leaves source unchanged) + * + * RETURN VALUE : + * None + */ + +void blend_init( int16_t * blend ) +{ + int i; + int16_t * blend2; + + if ( !blend ) return ; + + blend2 = blend + 65536; + + for ( i = 0; i < 65536; i++ ) + { + *blend++ = i; + *blend2++ = 0; + } +} + +/* --------------------------------------------------------------------------- */ +/* ************************* */ +/* Blendops public functions */ +/* ************************* */ +/* + * FUNCTION : blend_create + * + * Create a new blendop table and initialize it with blend_init + * A blendop table is a group of two tables that return intermediate + * colors to a composite (+) operation that does no saturation: + * + * Src_param = Src_color + * Dst_param = Dst_color + * Dst_color = Src_param + Dst_param // No clamp! + * + * The other blend_x funcions change the Src_param and Dst_param formulas. + * The Dst_color formula is immutable and embedded in the blitter + * + * PARAMS : + * None + * + * RETURN VALUE : + * Pointer to the new blendop table or NULL if not enough memory + */ + +int16_t * blend_create( void ) +{ + int16_t * blend = malloc( 65536 * 2 * sizeof( int16_t ) ); + if ( !blend ) return NULL; + + blend_init( blend ); + + return blend; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : blend_apply + * + * Apply a blend operation to the pixels of a graphic, as if it was + * rendered into a black (color 0) background + * + * PARAMS : + * graph Pointer to the graphic + * blend Pointer to the blend table + * + * RETURN VALUE : + * 0 Error + * 1 OK + */ + +void blend_apply( GRAPH * graph, int16_t * blend ) +{ + uint16_t * ptr; + uint32_t x, y; + uint8_t * ptr8; + int16_t * blend2; + + if ( !graph || !blend || graph->format->depth != 16 ) return ; + + blend2 = blend + 65536; + + ptr = ( uint16_t * ) (ptr8 = ( uint8_t * ) graph->data); + y = graph->height; + while ( y-- ) + { + x = graph->width; + while ( x-- ) + { + if ( *ptr ) * ptr = blend[ *ptr ] + blend2[ *ptr ]; + ptr++; + } + ptr = ( uint16_t * ) (ptr8 += graph->pitch); + } + + graph->modified = 2; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : blend_assign + * + * Assign a blend operation to a graphic. The graphic will be + * drawn using this blend operation thereafter. + * + * PARAMS : + * graph Pointer to the graphic + * blend Pointer to the blend table + * + * RETURN VALUE : + * None + */ + +void blend_assign( GRAPH * graph, int16_t * blend ) +{ + if ( !graph ) return ; + graph->blend_table = blend; + graph->modified = 1; /* Don't needs analysis */ +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : blend_free + * + * Free the memory used by a blendop table + * + * PARAMS : + * blend Pointer to the blend table + * + * RETURN VALUE : + * None + */ + +void blend_free( int16_t * blend ) +{ + if ( !blend ) return ; + free( blend ); +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : blend_grayscale + * + * Initialize a blend table as a grayscale operation (changes the + * color value of the source object to grayscale). Three methods + * of operation are supported: + * + * 1. Luminance: result = 0.3R + 0.59G + 0.11B + * 2. Desaturate: result = (MAX(R,G,B)+MIN(R,G,B))/2 + * 3. Maximum: result = MAX(R,G,B) + * + * + * Src_param = Grayscale_operation(previous Src_param) + * + * PARAMS : + * blend Pointer to the blend table + * method Method of operation + * + * RETURN VALUE : + * 0 Error + * 1 Ok + */ + +void blend_grayscale( int16_t * blend, int method ) +{ + int i, r, g, b, max, min; + int16_t * blend2; + + if ( !blend ) return ; + + switch ( method ) + { + case 1: + blend2 = blend + 65536; + + for ( i = 0; i < 65536; i++ ) + { + r = ( int )( GETR( i ) * 0.3 ); + g = ( int )( GETG( i ) * 0.59 ); + b = ( int )( GETB( i ) * 0.11 ); + r = r + g + b; + *blend++ = MAKERGB( r, r, r ); + *blend2++ = 0; + } + break; + + case 2: + blend2 = blend + 65536; + + for ( i = 0; i < 65536; i++ ) + { + r = GETR( i ); + g = GETG( i ); + b = GETB( i ); + + max = ( r > g ) ? ( r > b ) ? r : g : ( g > b ) ? g : b; + min = ( r < g ) ? ( r < b ) ? r : g : ( g < b ) ? g : b; + + r = ( max + min ) / 2; + *blend++ = MAKERGB( r, r, r ); + *blend2++ = 0; + } + break; + + case 3: + blend2 = blend + 65536; + + for ( i = 0; i < 65536; i++ ) + { + r = GETR( i ); + g = GETG( i ); + b = GETB( i ); + + max = ( r > g ) ? ( r > b ) ? r : g : ( g > b ) ? g : b; + + *blend++ = MAKERGB( max, max, max ); + *blend2++ = 0; + } + break; + } +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : blend_translucency + * + * Modify a blend table as a translucency combination operation + * + * Src_param = (previous Src_param) * amount + * Dst_param = Dst_color * (1.0 - amount) + * + * PARAMS : + * blend Pointer to the blend table + * amount Opacity factor (1.0f = opaque, 0.0f = transparent) + * + * RETURN VALUE : + * None + */ + +void blend_translucency( int16_t * blend, float amount ) +{ + int i, r, g, b; + float amount2; + int16_t * blend2; + + if ( !blend ) return ; + + blend2 = blend + 65536; + + if ( amount > 1.0f ) amount = 1.0f; + if ( amount < 0.0f ) amount = 0.0f; + + amount = 1.0f - amount; + amount2 = 1.0f - amount; + + for ( i = 0; i < 65536; i++ ) + { + r = ( int )( GETR( *blend ) * amount ); + g = ( int )( GETG( *blend ) * amount ); + b = ( int )( GETB( *blend ) * amount ); + *blend++ = MAKERGB( r, g, b ); + + r = ( int )( GETR( i ) * amount2 ); + g = ( int )( GETG( i ) * amount2 ); + b = ( int )( GETB( i ) * amount2 ); + *blend2++ = MAKERGB( r, g, b ); + } +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : blend_intensity + * + * Modify a blend table as an intensity operation (changes the + * color value of the source object as the factor amount but + * does no transparency or other operation with the background) + * + * Src_param = (previous Src_param) * amount + * + * PARAMS : + * blend Pointer to the blend table + * amount Color component factor (1.0f leaves source unchanged) + * + * RETURN VALUE : + * None + */ + +void blend_intensity( int16_t * blend, float amount ) +{ + int i, r, g, b; + + if ( !blend ) return ; + + if ( amount < 0.0f ) amount = 0.0f; + + for ( i = 65536; i--; ) + { + r = ( int )( GETR( *blend ) * amount ); + g = ( int )( GETG( *blend ) * amount ); + b = ( int )( GETB( *blend ) * amount ); + *blend++ = MAKERGB_SATURATE( r, g, b ); + } +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : blend_swap + * + * Swaps a blendop table. That is, change the blend operation so + * the Dst_color and Src_color are exchanged in the formulas. + * + * PARAMS : + * blend Pointer to the blend table + * + * RETURN VALUE : + * None + */ + +void blend_swap( int16_t * blend ) +{ + int i, j; + int16_t * blend2; + + if ( !blend ) return ; + + blend2 = blend + 65536; + + for ( i = 65536; i--; ) + { + j = *blend; + *blend++ = *blend2; + *blend2++ = j; + } +} + + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : blend_tint + * + * Modify a blend table as a tint operation (changes the + * color value of the source object as a combination of a given + * color and the source color with the factor given) + * + * Src_param = Const_color * amount + * + (previous Src_Param) * (1.0f-amount) + * + * PARAMS : + * blend Pointer to the blend table + * amount Color component factor (1.0f = Full Const color) + * cr Constant color, red component (0-255) + * cg Constant color, green component (0-255) + * cb Constant color, blue component (0-255) + * + * RETURN VALUE : + * None + */ + +void blend_tint( int16_t * blend, float amount, uint8_t cr, uint8_t cg, uint8_t cb ) +{ + int i, r, g, b; + + if ( !blend ) return ; + + if ( amount > 1.0f ) amount = 1.0f; + if ( amount < 0.0f ) amount = 0.0f; + + for ( i = 65536; i--; ) + { + r = ( int )( amount * cr + ( 1.0f - amount ) * GETR( *blend ) ); + g = ( int )( amount * cg + ( 1.0f - amount ) * GETG( *blend ) ); + b = ( int )( amount * cb + ( 1.0f - amount ) * GETB( *blend ) ); + *blend = MAKERGB_SATURATE( r, g, b ); + blend++; + } +} + +/* --------------------------------------------------------------------------- */ diff --git a/modules/libgrbase/g_blendop.h b/modules/libgrbase/g_blendop.h new file mode 100644 index 0000000..1c97e17 --- /dev/null +++ b/modules/libgrbase/g_blendop.h @@ -0,0 +1,46 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __BLEND_H +#define __BLEND_H + +/* Blend ops */ +/* --------- */ + +extern void blend_apply( GRAPH * bitmap, int16_t * blend ) ; +extern void blend_assign( GRAPH * bitmap, int16_t * blend ) ; +extern int16_t * blend_create( void ) ; +extern void blend_free( int16_t * blend ); +extern void blend_grayscale( int16_t * blend, int method ) ; +extern void blend_init( int16_t * blend ) ; +extern void blend_intensity( int16_t * blend, float ammount ) ; +extern void blend_swap( int16_t * blend ) ; +extern void blend_tint( int16_t * blend, float ammount, uint8_t cr, uint8_t cg, uint8_t cb ) ; +extern void blend_translucency( int16_t * blend, float ammount ) ; + +#endif diff --git a/modules/libgrbase/g_clear.c b/modules/libgrbase/g_clear.c new file mode 100644 index 0000000..7bb0603 --- /dev/null +++ b/modules/libgrbase/g_clear.c @@ -0,0 +1,222 @@ +/* + * Copyright � 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright � 2002-2006 Fenix Team (Fenix) + * Copyright � 1999-2002 Jos� Luis Cebri�n Pag�e (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "libgrbase.h" + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_clear + * + * Clear a bitmap (paint all pixels as 0 [transparent]) + * + * PARAMS : + * dest Bitmap to clear + * + * RETURN VALUE : + * None + * + */ + +void gr_clear( GRAPH * dest ) +{ + memset( dest->data, 0, dest->pitch * dest->height ) ; + + dest->modified = 1 ; /* Don't needs analysis */ + dest->info_flags &= ~GI_NOCOLORKEY; + dest->info_flags |= GI_CLEAN; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_clear_as + * + * Clear a bitmap (paint all pixels as the given color) + * + * PARAMS : + * dest Bitmap to clear + * color 8 or 16-bit color value + * + * RETURN VALUE : + * None + * + */ + +void gr_clear_as( GRAPH * dest, int color ) +{ + uint32_t y; + + if ( !color ) + { + gr_clear( dest ); + return; + } + + switch ( dest->format->depth ) + { + case 8: + { + memset( dest->data, color, dest->pitch * dest->height ) ; + break; + } + + case 16: + { + uint8_t * data = dest->data ; + int16_t * ptr ; + int n ; + y = dest->height; + while ( y-- ) + { + ptr = ( int16_t * ) data; + n = dest->width; + while ( n-- ) * ptr++ = color ; + data += dest->pitch ; + } + break; + } + + case 32: + { + uint8_t * data = dest->data ; + uint32_t * ptr ; + int n ; + y = dest->height; + while ( y-- ) + { + ptr = ( uint32_t * ) data; + n = dest->width; + while ( n-- ) * ptr++ = color ; + data += dest->pitch ; + } + break; + } + + case 1: + { + int c = color ? 0xFF : 0 ; + memset( dest->data, c, dest->pitch * dest->height ) ; + break; + } + } + + dest->modified = 1 ; /* Don't needs analysis */ + if ( dest->format->depth != 32 || ( color & 0xff000000 ) == 0xff000000 ) + dest->info_flags |= GI_NOCOLORKEY; + else + dest->info_flags &= ~GI_NOCOLORKEY; + dest->info_flags &= ~GI_CLEAN; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_clear_region + * + * Clear a region bitmap (paint all pixels as 0 [transparent]) + * + * PARAMS : + * dest Bitmap to clear + * region Region to clear or NULL for the whole screen + * + * RETURN VALUE : + * None + * + */ + +void gr_clear_region( GRAPH * dest, REGION * region ) +{ + REGION base_region ; + int y, l ; + + if ( !dest ) dest = scrbitmap ; + + if ( !region ) + { + region = &base_region ; + region->x = 0 ; + region->y = 0 ; + region->x2 = dest->width - 1 ; + region->y2 = dest->height - 1 ; + } + else + { + base_region = *region ; + region = &base_region ; + + region->x = MAX( MIN( region->x, region->x2 ), 0 ) ; + region->y = MAX( MIN( region->y, region->y2 ), 0 ) ; + region->x2 = MIN( MAX( region->x, region->x2 ), dest->width - 1 ) ; + region->y2 = MIN( MAX( region->y, region->y2 ), dest->height - 1 ) ; + } + + if ( region->x > dest->width || region->y > dest->height ) return; + if ( region->x2 < 0 || region->y2 < 0 ) return; + + switch ( dest->format->depth ) + { + case 8: + case 16: + case 32: + { + uint8_t * data = (( uint8_t * ) dest->data ) + dest->pitch * region->y + region->x * dest->format->depthb; + l = ( region->x2 - region->x + 1 ) * dest->format->depthb; + for ( y = region->y; y <= region->y2; y++ ) + { + memset( data, 0, l ); + data += dest->pitch ; + } + break ; + } + + case 1: + { + uint8_t * data = (( uint8_t * ) dest->data ) + region->x / 8 ; + l = ( region->x2 - region->x - 1 ) / 8 + 1 ; + for ( y = region->y; y <= region->y2; y++ ) + { + /* Esta debe ser cambiada, por bits */ + memset( data, 0, l ) ; + data += dest->pitch ; + } + break ; + } + + default: + return; + } + + dest->modified = 1 ; /* Don't needs analysis */ + dest->info_flags &= ~GI_NOCOLORKEY; +} + +/* --------------------------------------------------------------------------- */ diff --git a/modules/libgrbase/g_clear.h b/modules/libgrbase/g_clear.h new file mode 100644 index 0000000..8b4684d --- /dev/null +++ b/modules/libgrbase/g_clear.h @@ -0,0 +1,39 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __CLEAR_H +#define __CLEAR_H + +#include "bgdcore.h" +#include "g_region.h" + +extern void gr_clear( GRAPH * dest ); +extern void gr_clear_as( GRAPH * dest, int color ); +extern void gr_clear_region( GRAPH * dest, REGION * region ); + +#endif diff --git a/modules/libgrbase/g_conversion.c b/modules/libgrbase/g_conversion.c new file mode 100644 index 0000000..1add7ec --- /dev/null +++ b/modules/libgrbase/g_conversion.c @@ -0,0 +1,481 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ + +#include <stdlib.h> +#include "libgrbase.h" + +#include "bgddl.h" +#include "dlvaracc.h" + +/* --------------------------------------------------------------------------- */ + +/* Conversion tables - used by 16 bits conversions - 256K */ +static uint16_t * convert565ToScreen = NULL ; +static uint16_t * convertScreenTo565 = NULL ; +static int conversion_tables_ok = 0 ; + +/* Alpha multiplication tables - multiply a color by its alpha. + * There will be less than 256 levels + */ +static uint16_t * alpha16[ 256 ]; +static uint8_t * alpha8[ 256 ]; +static int alpha16_tables_ok = 0 ; +static int alpha8_tables_ok = 0 ; + +/* --------------------------------------------------------------------------- */ +/* used for variable access */ +/* --------------------------------------------------------------------------- */ + +enum { + ALPHA_STEPS = 0 +}; + +/* --------------------------------------------------------------------------- */ +/* Son las variables que se desea acceder. */ +/* El interprete completa esta estructura, si la variable existe. */ +/* (usada en tiempo de ejecucion) */ + +DLVARFIXUP __bgdexport( libgrbase, globals_fixup )[] = +{ + /* Nombre de variable global, puntero al dato, tamaño del elemento, cantidad de elementos */ + { "alpha_steps" , NULL, -1, -1 }, + { NULL , NULL, -1, -1 } +}; + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : init_alpha16_tables + * + * Init the 16 bit alpha tables (create as many tables as the parameter) + * Each alpha table has a 128K memory footprint. Having many alpha tables + * provides more transparency values. + * + * PARAMS : + * count Number of tables + * + * RETURN VALUE : + * None + * + */ + +static void init_alpha16_tables( int count ) +{ + int i, color, inc, next = 0, factor; + uint16_t * table16 = NULL; + + if ( count <= 0 ) count = 1; + if ( count > 128 ) count = 128; + + if ( alpha16_tables_ok == count ) return ; + + inc = 256 / count; + + /* Destroy existing tables */ + + if ( alpha16_tables_ok ) + { + for ( table16 = NULL, i = 0 ; i < 256 ; i++ ) + { + if ( alpha16[ i ] != table16 ) + { + table16 = alpha16[ i ]; + free( table16 ); + } + alpha16[ i ] = NULL; + } + } + + /* Make new ones */ + + for ( i = 0 ; i < 256 ; i++ ) + { + if ( i == next ) + { + table16 = malloc( 131072 ); + factor = next + inc / 2; + next += inc; + if ( factor > 255 ) factor = 256; + + for ( color = 0 ; color < 65536 ; color++ ) + { + int r = (( color & sys_pixel_format->Rmask ) >> sys_pixel_format->Rshift << sys_pixel_format->Rloss ) ; + int g = (( color & sys_pixel_format->Gmask ) >> sys_pixel_format->Gshift << sys_pixel_format->Gloss ) ; + int b = (( color & sys_pixel_format->Bmask ) >> sys_pixel_format->Bshift << sys_pixel_format->Bloss ) ; + + table16[ color ] = + (((( r * factor ) >> 8 ) >> sys_pixel_format->Rloss ) << sys_pixel_format->Rshift ) | + (((( g * factor ) >> 8 ) >> sys_pixel_format->Gloss ) << sys_pixel_format->Gshift ) | + (((( b * factor ) >> 8 ) >> sys_pixel_format->Bloss ) << sys_pixel_format->Bshift ) ; + } + } + alpha16[ i ] = table16; + } + + alpha16_tables_ok = count; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : init_alpha8_tables + * + * Init the 8 bit alpha tables (create as many tables as the parameter) + * Each alpha table has a 64K memory footprint. Having many alpha tables + * provides more transparency values. Those tables should be updated + * when the palette changes. + * + * PARAMS : + * count Number of tables + * + * RETURN VALUE : + * None + * + */ + +static void init_alpha8_tables( int count ) +{ + int i, color, color2, inc, next = 0, factor; + uint8_t * table8 = NULL; + rgb_component * rgb ; + + if ( count <= 0 ) count = 1; + if ( count > 128 ) count = 128; + + if ( alpha16_tables_ok == count ) return ; + + inc = 256 / count; + + /* Destroy existing tables */ + + if ( alpha8_tables_ok ) + { + for ( table8 = NULL, i = 0; i < 256; i++ ) + { + if ( alpha8[ i ] != table8 ) + { + table8 = alpha8[ i ]; + free( table8 ); + } + alpha8[ i ] = NULL; + } + } + + /* Make new ones */ + + if ( !sys_pixel_format->palette ) + rgb = ( rgb_component * ) default_palette; + else + rgb = sys_pixel_format->palette->rgb ; + + for ( i = 0; i < 256; i++ ) + { + if ( i == next ) + { + table8 = malloc( 65536 ); + factor = next + inc / 2; + next += inc; + if ( factor > 255 ) factor = 255; + + for ( color = 0; color < 256; color++ ) + { + for ( color2 = 0; color2 < 256; color2++ ) + { + int r = ( rgb[ color ].r * factor + rgb[ color2 ].r * ( 255 - factor ) ) >> 8 ; + int g = ( rgb[ color ].g * factor + rgb[ color2 ].g * ( 255 - factor ) ) >> 8 ; + int b = ( rgb[ color ].b * factor + rgb[ color2 ].b * ( 255 - factor ) ) >> 8 ; + table8[( color << 8 ) + color2 ] = gr_find_nearest_color( r, g, b ); + } + table8[ color ] = color; + } + } + alpha8[ i ] = table8; + } + + alpha8_tables_ok = count; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : init_conversion_tables + * + * Static routine used to initialize the 16 bits conversion + * tables (this only needs to be done once) + * + * PARAMS : + * None + * + * RETURN VALUE : + * None + * + */ + +static void init_conversion_tables() +{ + uint8_t r, g, b ; + int n ; + + /* Alloc space for the lookup tables */ + + convert565ToScreen = ( uint16_t * ) malloc( sizeof( uint16_t ) * 65536 ); + if ( !convert565ToScreen ) return ; + + convertScreenTo565 = ( uint16_t * ) malloc( sizeof( uint16_t ) * 65536 ); + if ( !convertScreenTo565 ) // No memory + { + free( convert565ToScreen ); + return ; + } + + /* Special case if screen already in 565 format */ + + if ( sys_pixel_format->Rmask == 0xF800 && + sys_pixel_format->Gmask == 0x07E0 && + sys_pixel_format->Bmask == 0x001F ) + { + for ( n = 0; n < 65536; n++ ) + { + convert565ToScreen[ n ] = n; + convertScreenTo565[ n ] = n; + } + return ; + } + + /* Create a fast lookup array */ + + for ( n = 0; n < 65536; n++ ) + { + /* Calculate conversion from 565 to screen format */ + + r = (( n >> 8 ) & 0xF8 ) >> sys_pixel_format->Rloss ; + g = (( n >> 3 ) & 0xFC ) >> sys_pixel_format->Gloss ; + b = (( n << 3 ) & 0xF8 ) >> sys_pixel_format->Bloss ; + + convert565ToScreen[ n ] = ( r << sys_pixel_format->Rshift ) | ( g << sys_pixel_format->Gshift ) | ( b << sys_pixel_format->Bshift ) ; + + /* Calculate conversion from 565 to screen format */ + + r = ((( n & sys_pixel_format->Rmask ) >> sys_pixel_format->Rshift ) << sys_pixel_format->Rloss ); + g = ((( n & sys_pixel_format->Gmask ) >> sys_pixel_format->Gshift ) << sys_pixel_format->Gloss ); + b = ((( n & sys_pixel_format->Bmask ) >> sys_pixel_format->Bshift ) << sys_pixel_format->Bloss ); + + convertScreenTo565[ n ] = (( r & 0xF8 ) << 8 ) | (( g & 0xFC ) << 3 ) | (( b & 0xF8 ) >> 3 ) ; + } + conversion_tables_ok = 1; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_convert16_565ToScreen + * + * Convert a sequence of 16 bits pixels from 5:6:5 format to + * the format used by the screen (usually 5:5:5 or 5:6:5) + * + * PARAMS : + * ptr Pointer to the first pixel + * len Number of pixels (not bytes!) + * + * RETURN VALUE : + * None + * + */ + +void gr_convert16_565ToScreen( uint16_t * ptr, int len ) +{ + if ( !conversion_tables_ok ) init_conversion_tables(); + + while ( len-- ) + { + *ptr = convert565ToScreen[ *ptr ] ; + ptr++; + } +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_convert16_ScreenTo565 + * + * Convert a sequence of 16 bits pixels in screen format + * (usually 5:5:5 or 5:6:5) to the 5:6:5 format used to + * store 16 bits pixel values to files in disk + * + * PARAMS : + * ptr Pointer to the first pixel + * len Number of pixels (not bytes!) + * + * RETURN VALUE : + * None + * + */ + +void gr_convert16_ScreenTo565( uint16_t * ptr, int len ) +{ + if ( !conversion_tables_ok ) init_conversion_tables(); + + while ( len-- ) + { + *ptr = convertScreenTo565[ *ptr ] ; + ptr++; + } +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_fade16 + * + * Fade a 16-bit graphic a given ammount. Fading values are given in percent + * (0% = black, 100% = original color, 200% = full color value) + * + * PARAMS : + * graph Pointer to the graphic object + * r Percent of Red component + * g Percent of Green component + * b Percent of Blue component + * + * RETURN VALUE : + * None + * + */ + +void gr_fade16( GRAPH * graph, int r, int g, int b ) +{ + uint32_t Rtable[ 32 ]; + uint32_t Gtable[ 32 ]; + uint32_t Btable[ 32 ]; + uint32_t x, y; + uint32_t Rmask; + uint32_t Rshift; + uint32_t Gmask; + uint32_t Gshift; + uint32_t Bmask; + uint32_t Bshift; + + for ( x = 0 ; x < 32 ; x++ ) + { + int c = 8 * x + 7; + + if ( r <= 100 ) + Rtable[ x ] = ( c * r / 100 ) >> sys_pixel_format->Rloss << sys_pixel_format->Rshift; + else + Rtable[ x ] = ( c + ( 255 - c ) * ( r - 100 ) / 100 ) >> sys_pixel_format->Rloss << sys_pixel_format->Rshift; + + if ( g <= 100 ) + Gtable[ x ] = ( c * g / 100 ) >> sys_pixel_format->Gloss << sys_pixel_format->Gshift; + else + Gtable[ x ] = ( c + ( 255 - c ) * ( g - 100 ) / 100 ) >> sys_pixel_format->Gloss << sys_pixel_format->Gshift; + + if ( b <= 100 ) + Btable[ x ] = ( c * b / 100 ) >> sys_pixel_format->Bloss << sys_pixel_format->Bshift; + else + Btable[ x ] = ( c + ( 255 - c ) * ( b - 100 ) / 100 ) >> sys_pixel_format->Bloss << sys_pixel_format->Bshift; + } + + Rmask = sys_pixel_format->Rmask; + Gmask = sys_pixel_format->Gmask; + Bmask = sys_pixel_format->Bmask; + + Rshift = sys_pixel_format->Rshift - sys_pixel_format->Rloss + 3; + Gshift = sys_pixel_format->Gshift - sys_pixel_format->Gloss + 3; + Bshift = sys_pixel_format->Bshift - sys_pixel_format->Bloss + 3; + + if ( graph->format->depth == 16 ) + { + char * p = graph->data ; + uint16_t * ptr ; + + for ( y = 0 ; y < graph->height ; y++ ) + { + ptr = ( uint16_t * ) p ; + + for ( x = 0 ; x < graph->width ; x++, ptr++ ) + { + *ptr = ( Rtable[(( *ptr & Rmask ) >> Rshift )] | Gtable[(( *ptr & Gmask ) >> Gshift )] | Btable[(( *ptr & Bmask ) >> Bshift )] ); + } + p += graph->pitch ; + } + } + else if ( graph->format->depth == 32 ) + { + char * p = graph->data ; + uint32_t * ptr ; + + for ( y = 0 ; y < graph->height ; y++ ) + { + ptr = ( uint32_t * ) p ; + for ( x = 0 ; x < graph->width ; x++, ptr++ ) + { + *ptr = ( Rtable[(( *ptr & Rmask ) >> Rshift )] | Gtable[(( *ptr & Gmask ) >> Gshift )] | Btable[(( *ptr & Bmask ) >> Bshift )] ); + } + p += graph->pitch ; + } + } +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_alpha16 + * + * Get an alpha multiplication table (a table that, given a 16 bit color, + * returns the color multiplied by the alpha value) + * + * PARAMS : + * alpha Alpha value for the requested table + * + * RETURN VALUE : + * None + * + */ + +uint16_t * gr_alpha16( int alpha ) +{ + if ( !alpha16_tables_ok ) init_alpha16_tables( GLODWORD( libgrbase, ALPHA_STEPS ) ); + return alpha16[ alpha ]; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : gr_alpha8 + * + * Get an alpha translation table (a table that, given two 8 bit color, + * returns the composite color given the alpha value) + * + * PARAMS : + * alpha Alpha value for the requested table + * + * RETURN VALUE : + * None + * + */ + +uint8_t * gr_alpha8( int alpha ) +{ + if ( !alpha8_tables_ok ) init_alpha8_tables( GLODWORD( libgrbase, ALPHA_STEPS ) ); + return ( uint8_t * ) alpha8[ alpha ]; +} + +/* --------------------------------------------------------------------------- */ diff --git a/modules/libgrbase/g_conversion.h b/modules/libgrbase/g_conversion.h new file mode 100644 index 0000000..2b64e60 --- /dev/null +++ b/modules/libgrbase/g_conversion.h @@ -0,0 +1,40 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __CONVERSION_H +#define __CONVERSION_H + +/* Rutinas de conversión entre formatos */ + +extern void gr_convert16_ScreenTo565( uint16_t * ptr, int len ); +extern void gr_convert16_565ToScreen( uint16_t * ptr, int len ); +extern void gr_fade16( GRAPH * graph, int r, int g, int b ); +extern uint16_t * gr_alpha16( int alpha ); +extern uint8_t * gr_alpha8( int alpha ); + +#endif diff --git a/modules/libgrbase/g_grlib.c b/modules/libgrbase/g_grlib.c new file mode 100644 index 0000000..fdb4fe5 --- /dev/null +++ b/modules/libgrbase/g_grlib.c @@ -0,0 +1,353 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ + +#include <stdlib.h> +#include <string.h> + +#include "libgrbase.h" +#include "bitwise_map.h" + +/* --------------------------------------------------------------------------- */ + +GRLIB * syslib = 0 ; + +static uint32_t * libs_bmp = NULL ; +static int libs_allocated = 0 ; +static int libs_last = 0; +static GRLIB ** libs = NULL; + +/* --------------------------------------------------------------------------- */ + +static GRLIB * grlib_create() ; + +/* --------------------------------------------------------------------------- */ + +int grlib_newid() +{ + int n, nb, lim, ini ; + + // Si tengo suficientes alocados, retorno el siguiente segun libs_last + if ( libs_last < libs_allocated ) + { + if ( !bit_tst( libs_bmp, libs_last ) ) + { + bit_set( libs_bmp, libs_last ); + return libs_last++ ; + } + } + + // Ya no tengo mas espacio, entonces busco alguno libre entre ~+32 desde el ultimo fijo y ~-32 del ultimo asignado + + ini = ( libs_last < libs_allocated ) ? ( libs_last >> 5 ) : 0 ; + lim = ( libs_allocated >> 5 ) ; + + while ( 1 ) + { + for ( n = ini; n < lim ; n++ ) + { + if ( libs_bmp[n] != ( uint32_t ) 0xFFFFFFFF ) // Aca hay 1 libre, busco cual es + { + for ( nb = 0; nb < 32; nb++ ) + { + if ( !bit_tst( libs_bmp + n, nb ) ) + { + libs_last = ( n << 5 ) + nb ; + bit_set( libs_bmp, libs_last ); + return libs_last++ ; + } + } + } + } + if ( !ini ) break; + lim = ini; + ini = 0; + } + + libs_last = libs_allocated ; + + /* Increment space, no more slots availables + 256 new maps available for alloc */ + + libs_allocated += 256 ; + libs_bmp = ( uint32_t * ) realloc( libs_bmp, sizeof( uint32_t ) * ( libs_allocated >> 5 ) ); + memset( &libs_bmp[( libs_last >> 5 )], 0, 32 ); /* 256 >> 5 = 8 * sizeof ( uint32_t ) = 8 * 4 = 32 */ + + libs = ( GRLIB ** ) realloc( libs, sizeof( GRLIB * ) * libs_allocated ); + memset( &libs[ libs_last ], 0, sizeof( GRLIB * ) * 256 ); + + /* Devuelvo libs_last e incremento en 1, ya que ahora tengo BLOCK_INCR mas que antes */ + bit_set( libs_bmp, libs_last ); + + return libs_last++ ; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : grlib_new + * + * Create a new library + * + * PARAMS : + * None + * + * RETURN VALUE : + * ID of the new library or -1 if error + */ + +int grlib_new() +{ + GRLIB * lib = grlib_create() ; + int i ; + + if ( !lib ) return -1; + + i = grlib_newid(); + libs[ i ] = lib; + + return ( i ); +} + +/* --------------------------------------------------------------------------- */ +/* Static convenience function */ + +static GRLIB * grlib_create() +{ + GRLIB * lib ; + + lib = ( GRLIB * ) malloc( sizeof( GRLIB ) ) ; + if ( !lib ) return 0 ; + + lib->maps = ( GRAPH ** ) calloc( 32, sizeof( GRAPH * ) ) ; + if ( !lib->maps ) + { + free( lib ); + return 0 ; + } + + lib->name[ 0 ] = 0 ; + lib->map_reserved = 32 ; + + return lib ; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : grlib_get + * + * Get a pointer to an library in memory given the internal ID + * + * PARAMS : + * libid Library code + * + * RETURN VALUE : + * Pointer to the object required or NULL if it does not exist + */ + +GRLIB * grlib_get( int libid ) +{ + if ( libid < 0 || libid >= libs_allocated ) return 0 ; + return libs[ libid ] ; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : grlib_destroy + * + * Remove a library and all its maps from memory + * + * PARAMS : + * libid ID of the library + * + * RETURN VALUE : + * 0 if there wasn't a map with this code, 1 otherwise + */ + +void grlib_destroy( int libid ) +{ + int i ; + GRLIB * lib = grlib_get( libid ) ; + if ( !lib ) return ; + + libs[ libid ] = 0 ; + + for ( i = 0; i < lib->map_reserved; i++ ) bitmap_destroy( lib->maps[ i ] ) ; + + free( lib->maps ) ; + free( lib ) ; + + bit_clr( libs_bmp, libid ); +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : grlib_unload_map + * + * Remove a map from a library, if present + * + * PARAMS : + * libid ID of the library + * mapcode ID of the map + * + * RETURN VALUE : + * 0 if there wasn't a map with this code, 1 otherwise + */ + +int grlib_unload_map( int libid, int mapcode ) +{ + GRLIB * lib ; + + if ( mapcode < 1 || mapcode > 999 ) + lib = syslib ; + else + lib = grlib_get( libid ) ; + + if ( lib == NULL ) return 0 ; + + if ( lib->map_reserved <= mapcode ) return 0 ; + if ( !lib->maps[ mapcode ] ) return 0 ; + + bitmap_destroy( lib->maps[ mapcode ] ) ; + lib->maps[ mapcode ] = 0 ; + return 1 ; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : grlib_add_map + * + * Add a map to a graphic library. If any map with the same code + * is in the library, it will be unload first + * + * PARAMS : + * lib Pointer to the library + * map Pointer to the graphic + * (fill map->code first!) + * + * RETURN VALUE : + * -1 if error, a number >= 0 otherwise + */ + +int grlib_add_map( int libid, GRAPH * map ) +{ + GRLIB * lib ; + + if ( map->code < 1 || map->code > 999 ) + lib = syslib ; + else + lib = grlib_get( libid ) ; + + if ( !lib ) return -1 ; + if ( map->code < 0 ) return -1 ; + + if ( map->code > 0 ) grlib_unload_map( libid, map->code ) ; + + if ( lib->map_reserved <= map->code ) + { + GRAPH ** lmaps; + int new_reserved = ( map->code & ~0x001F ) + 32 ; + + lmaps = ( GRAPH ** ) realloc( lib->maps, sizeof( GRAPH* ) * new_reserved ) ; + if ( !lmaps ) return -1; // No memory + lib->maps = lmaps; + + memset( lib->maps + lib->map_reserved, 0, ( new_reserved - lib->map_reserved ) * sizeof( GRAPH * ) ) ; + lib->map_reserved = new_reserved ; + } + + lib->maps[ map->code ] = map ; + + return map->code ; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : bitmap_get + * + * Get a bitmap using the DIV syntax (libcode, mapcode) + * + * PARAMS : + * libid Library code or 0 for system/global bitmap + * mapcode Code of the bitmap + * + * RETURN VALUE : + * Pointer to the graphic required or NULL if not found + * + * (0, -1) gets the scrbitmap graphic (undocumented!) + * (0, 0) gets the background + * + */ + +GRAPH * bitmap_get( int libid, int mapcode ) +{ + GRLIB * lib = NULL ; + + if ( !libid ) + { + /* Using (0, 0) we can get the background map */ + if ( !mapcode ) return background ; + + /* Using (0, -1) we can get the screen bitmap (undocumented bug/feature) */ + if ( mapcode == -1 ) return scrbitmap ; + } + + /* Get the map from the system library + * (the only one that can have more than 1000 maps) + */ + if ( mapcode > 999 ) lib = syslib ; + + if ( !lib ) lib = grlib_get( libid ) ; + + /* Get the map from a library */ + + if ( lib && lib->map_reserved > mapcode && mapcode >= 0 ) return lib->maps[ mapcode ] ; + + return 0 ; +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : grlib_init + * + * Create the system library. This should be called at program startup. + * + * PARAMS : + * None + * + * RETURN VALUE : + * None + * + */ + +void grlib_init() +{ + if ( !syslib ) syslib = grlib_create() ; +} + +/* --------------------------------------------------------------------------- */ diff --git a/modules/libgrbase/g_grlib.h b/modules/libgrbase/g_grlib.h new file mode 100644 index 0000000..09c6e32 --- /dev/null +++ b/modules/libgrbase/g_grlib.h @@ -0,0 +1,52 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __GRLIB_H +#define __GRLIB_H + +#define MAXLIBS 1024 + +typedef struct _grlib +{ + GRAPH ** maps ; + int map_reserved ; + char name[ 64 ]; +} +GRLIB ; + +extern GRLIB * syslib ; + +extern GRAPH * bitmap_get( int libid, int mapcode ) ; +extern GRLIB * grlib_get( int libid ) ; +extern void grlib_init() ; +extern int grlib_new() ; +extern void grlib_destroy( int libid ) ; +extern int grlib_add_map( int libid, GRAPH * map ) ; +extern int grlib_unload_map( int libid, int mapcode ) ; + +#endif diff --git a/modules/libgrbase/g_pal.c b/modules/libgrbase/g_pal.c new file mode 100644 index 0000000..26e56a5 --- /dev/null +++ b/modules/libgrbase/g_pal.c @@ -0,0 +1,832 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + +#include "libgrbase.h" + +/* --------------------------------------------------------------------------- */ + +PALETTE * first_palette = NULL ; + +int palette_changed = 0 ; + +/* Tabla de transparencias */ + +uint8_t trans_table[ 256 ][ 256 ] ; +int trans_table_updated = 0 ; + +uint16_t colorghost[65536] ; /* Deja un color a 50% de intensidad */ + +/* Paleta de colores por defecto */ + +uint8_t default_palette[] = +{ + 0, 0, 0, /* Color 0 */ + 16, 16, 16, /* Color 1 */ + 32, 32, 32, /* Color 2 */ + 48, 48, 48, /* Color 3 */ + 64, 64, 64, /* Color 4 */ + 84, 84, 84, /* Color 5 */ + 100, 100, 100, /* Color 6 */ + 116, 116, 116, /* Color 7 */ + 132, 132, 132, /* Color 8 */ + 148, 148, 148, /* Color 9 */ + 168, 168, 168, /* Color 10 */ + 184, 184, 184, /* Color 11 */ + 200, 200, 200, /* Color 12 */ + 216, 216, 216, /* Color 13 */ + 232, 232, 232, /* Color 14 */ + 252, 252, 252, /* Color 15 */ + 40, 0, 0, /* Color 16 */ + 72, 0, 0, /* Color 17 */ + 108, 0, 0, /* Color 18 */ + 144, 0, 0, /* Color 19 */ + 180, 0, 0, /* Color 20 */ + 216, 0, 0, /* Color 21 */ + 252, 0, 0, /* Color 22 */ + 252, 32, 0, /* Color 23 */ + 252, 64, 0, /* Color 24 */ + 252, 96, 0, /* Color 25 */ + 252, 128, 0, /* Color 26 */ + 252, 160, 0, /* Color 27 */ + 252, 180, 56, /* Color 28 */ + 252, 200, 112, /* Color 29 */ + 252, 220, 168, /* Color 30 */ + 252, 240, 224, /* Color 31 */ + 0, 40, 0, /* Color 32 */ + 0, 60, 0, /* Color 33 */ + 0, 84, 0, /* Color 34 */ + 0, 108, 0, /* Color 35 */ + 0, 132, 0, /* Color 36 */ + 0, 156, 0, /* Color 37 */ + 0, 180, 0, /* Color 38 */ + 0, 204, 0, /* Color 39 */ + 0, 228, 0, /* Color 40 */ + 0, 252, 0, /* Color 41 */ + 48, 252, 32, /* Color 42 */ + 96, 252, 64, /* Color 43 */ + 144, 252, 96, /* Color 44 */ + 192, 252, 132, /* Color 45 */ + 216, 252, 176, /* Color 46 */ + 240, 252, 220, /* Color 47 */ + 0, 0, 40, /* Color 48 */ + 0, 0, 72, /* Color 49 */ + 0, 0, 104, /* Color 50 */ + 0, 0, 140, /* Color 51 */ + 0, 0, 172, /* Color 52 */ + 0, 0, 208, /* Color 53 */ + 0, 0, 252, /* Color 54 */ + 0, 48, 252, /* Color 55 */ + 0, 100, 252, /* Color 56 */ + 0, 148, 252, /* Color 57 */ + 0, 200, 252, /* Color 58 */ + 0, 252, 252, /* Color 59 */ + 56, 252, 252, /* Color 60 */ + 112, 252, 252, /* Color 61 */ + 168, 252, 252, /* Color 62 */ + 224, 252, 252, /* Color 63 */ + 28, 28, 0, /* Color 64 */ + 52, 52, 0, /* Color 65 */ + 76, 76, 0, /* Color 66 */ + 100, 100, 0, /* Color 67 */ + 124, 124, 0, /* Color 68 */ + 152, 152, 0, /* Color 69 */ + 176, 176, 0, /* Color 70 */ + 200, 200, 0, /* Color 71 */ + 224, 224, 0, /* Color 72 */ + 252, 252, 0, /* Color 73 */ + 252, 252, 36, /* Color 74 */ + 252, 252, 72, /* Color 75 */ + 252, 252, 108, /* Color 76 */ + 252, 252, 144, /* Color 77 */ + 252, 252, 180, /* Color 78 */ + 252, 252, 220, /* Color 79 */ + 28, 0, 28, /* Color 80 */ + 52, 0, 52, /* Color 81 */ + 76, 0, 76, /* Color 82 */ + 100, 0, 100, /* Color 83 */ + 124, 0, 124, /* Color 84 */ + 152, 0, 152, /* Color 85 */ + 176, 0, 176, /* Color 86 */ + 200, 0, 200, /* Color 87 */ + 224, 0, 224, /* Color 88 */ + 252, 0, 252, /* Color 89 */ + 252, 36, 252, /* Color 90 */ + 252, 72, 252, /* Color 91 */ + 252, 112, 252, /* Color 92 */ + 252, 148, 252, /* Color 93 */ + 252, 184, 252, /* Color 94 */ + 252, 224, 252, /* Color 95 */ + 0, 20, 20, /* Color 96 */ + 0, 40, 40, /* Color 97 */ + 0, 60, 60, /* Color 98 */ + 0, 80, 80, /* Color 99 */ + 0, 104, 100, /* Color 100 */ + 0, 124, 120, /* Color 101 */ + 0, 144, 144, /* Color 102 */ + 0, 164, 164, /* Color 103 */ + 0, 188, 184, /* Color 104 */ + 0, 208, 204, /* Color 105 */ + 0, 228, 224, /* Color 106 */ + 0, 252, 248, /* Color 107 */ + 44, 252, 248, /* Color 108 */ + 92, 252, 248, /* Color 109 */ + 140, 252, 248, /* Color 110 */ + 188, 252, 248, /* Color 111 */ + 24, 12, 0, /* Color 112 */ + 44, 24, 0, /* Color 113 */ + 64, 36, 0, /* Color 114 */ + 84, 48, 0, /* Color 115 */ + 108, 60, 0, /* Color 116 */ + 128, 72, 0, /* Color 117 */ + 148, 84, 0, /* Color 118 */ + 168, 96, 0, /* Color 119 */ + 192, 112, 0, /* Color 120 */ + 196, 128, 28, /* Color 121 */ + 204, 144, 60, /* Color 122 */ + 212, 160, 92, /* Color 123 */ + 216, 180, 120, /* Color 124 */ + 224, 196, 152, /* Color 125 */ + 232, 212, 184, /* Color 126 */ + 240, 232, 216, /* Color 127 */ + 24, 12, 12, /* Color 128 */ + 40, 20, 20, /* Color 129 */ + 60, 32, 32, /* Color 130 */ + 80, 44, 44, /* Color 131 */ + 96, 52, 52, /* Color 132 */ + 116, 64, 64, /* Color 133 */ + 136, 76, 76, /* Color 134 */ + 156, 88, 88, /* Color 135 */ + 176, 104, 104, /* Color 136 */ + 196, 120, 120, /* Color 137 */ + 216, 136, 136, /* Color 138 */ + 240, 152, 152, /* Color 139 */ + 240, 168, 168, /* Color 140 */ + 244, 188, 188, /* Color 141 */ + 244, 204, 204, /* Color 142 */ + 248, 224, 224, /* Color 143 */ + 24, 20, 12, /* Color 144 */ + 44, 36, 24, /* Color 145 */ + 68, 52, 36, /* Color 146 */ + 88, 72, 48, /* Color 147 */ + 112, 88, 60, /* Color 148 */ + 132, 104, 72, /* Color 149 */ + 156, 124, 88, /* Color 150 */ + 172, 140, 100, /* Color 151 */ + 188, 156, 112, /* Color 152 */ + 204, 176, 124, /* Color 153 */ + 220, 192, 136, /* Color 154 */ + 240, 212, 152, /* Color 155 */ + 240, 216, 168, /* Color 156 */ + 244, 224, 188, /* Color 157 */ + 244, 232, 204, /* Color 158 */ + 248, 240, 224, /* Color 159 */ + 32, 8, 0, /* Color 160 */ + 60, 16, 0, /* Color 161 */ + 88, 28, 0, /* Color 162 */ + 120, 36, 0, /* Color 163 */ + 148, 48, 0, /* Color 164 */ + 176, 56, 0, /* Color 165 */ + 208, 68, 0, /* Color 166 */ + 216, 88, 0, /* Color 167 */ + 224, 112, 0, /* Color 168 */ + 232, 136, 0, /* Color 169 */ + 240, 160, 0, /* Color 170 */ + 252, 184, 0, /* Color 171 */ + 252, 200, 56, /* Color 172 */ + 252, 216, 112, /* Color 173 */ + 252, 232, 168, /* Color 174 */ + 252, 252, 224, /* Color 175 */ + 20, 12, 12, /* Color 176 */ + 36, 24, 24, /* Color 177 */ + 56, 36, 36, /* Color 178 */ + 72, 48, 48, /* Color 179 */ + 92, 64, 64, /* Color 180 */ + 108, 76, 76, /* Color 181 */ + 128, 88, 88, /* Color 182 */ + 144, 100, 100, /* Color 183 */ + 164, 116, 116, /* Color 184 */ + 172, 132, 132, /* Color 185 */ + 184, 148, 148, /* Color 186 */ + 192, 164, 164, /* Color 187 */ + 204, 180, 180, /* Color 188 */ + 212, 196, 196, /* Color 189 */ + 224, 212, 212, /* Color 190 */ + 236, 232, 232, /* Color 191 */ + 12, 20, 12, /* Color 192 */ + 24, 36, 24, /* Color 193 */ + 36, 56, 36, /* Color 194 */ + 48, 72, 48, /* Color 195 */ + 64, 92, 64, /* Color 196 */ + 76, 108, 76, /* Color 197 */ + 88, 128, 88, /* Color 198 */ + 100, 144, 100, /* Color 199 */ + 116, 164, 116, /* Color 200 */ + 132, 172, 132, /* Color 201 */ + 148, 184, 148, /* Color 202 */ + 164, 192, 164, /* Color 203 */ + 180, 204, 180, /* Color 204 */ + 196, 212, 196, /* Color 205 */ + 212, 224, 212, /* Color 206 */ + 232, 236, 232, /* Color 207 */ + 12, 12, 16, /* Color 208 */ + 24, 24, 32, /* Color 209 */ + 36, 36, 48, /* Color 210 */ + 48, 48, 64, /* Color 211 */ + 64, 64, 80, /* Color 212 */ + 76, 76, 96, /* Color 213 */ + 88, 88, 112, /* Color 214 */ + 100, 100, 128, /* Color 215 */ + 116, 116, 148, /* Color 216 */ + 132, 132, 160, /* Color 217 */ + 148, 148, 172, /* Color 218 */ + 164, 164, 184, /* Color 219 */ + 180, 180, 196, /* Color 220 */ + 196, 196, 208, /* Color 221 */ + 212, 212, 220, /* Color 222 */ + 232, 232, 236, /* Color 223 */ + 40, 0, 0, /* Color 224 */ + 80, 0, 0, /* Color 225 */ + 124, 0, 0, /* Color 226 */ + 164, 0, 0, /* Color 227 */ + 208, 0, 0, /* Color 228 */ + 252, 0, 0, /* Color 229 */ + 252, 40, 0, /* Color 230 */ + 252, 84, 0, /* Color 231 */ + 252, 124, 0, /* Color 232 */ + 252, 168, 0, /* Color 233 */ + 252, 208, 0, /* Color 234 */ + 252, 252, 0, /* Color 235 */ + 252, 252, 44, /* Color 236 */ + 252, 252, 92, /* Color 237 */ + 252, 252, 140, /* Color 238 */ + 252, 252, 188, /* Color 239 */ + 0, 0, 0, /* Color 240 */ + 0, 0, 88, /* Color 241 */ + 0, 0, 128, /* Color 242 */ + 0, 0, 168, /* Color 243 */ + 0, 0, 208, /* Color 244 */ + 0, 0, 248, /* Color 245 */ + 40, 0, 248, /* Color 246 */ + 84, 0, 248, /* Color 247 */ + 124, 0, 248, /* Color 248 */ + 168, 0, 248, /* Color 249 */ + 208, 0, 248, /* Color 250 */ + 252, 0, 252, /* Color 251 */ + 252, 52, 252, /* Color 252 */ + 252, 108, 252, /* Color 253 */ + 252, 164, 252, /* Color 254 */ + 252, 220, 252 /* Color 255 */ +} ; + +uint32_t default_colorequiv[256]; + +/* --------------------------------------------------------------------------- */ +/* + * Match an RGB value to a particular palette index + */ +int find_nearest_color( PALETTE * pal, int first, int last, int r, int g, int b ) +{ + /* Do colorspace distance matching */ + unsigned int smallest = ~0; + unsigned int distance; + int rd, gd, bd; + int i; + int pixel = 0; + rgb_component * palrgb ; + + if ( !pal ) + if ( !sys_pixel_format->palette ) + palrgb = ( rgb_component * ) default_palette; + else + palrgb = sys_pixel_format->palette->rgb ; + else + palrgb = pal->rgb ; + + for ( i = first; i <= last; ++i ) + { + rd = ( palrgb[i].r - ( r /*& ~0x02 */) ) ; + gd = ( palrgb[i].g - ( g /*& ~0x02 */) ) ; + bd = ( palrgb[i].b - ( b /*& ~0x02 */) ) ; + + distance = ( rd * rd ) + ( gd * gd ) + ( bd * bd ) ; + if ( distance < smallest ) + { + pixel = i; + if ( !distance ) break; /* Perfect match! */ + smallest = distance; + } + } + + return( pixel ); +} + +/* --------------------------------------------------------------------------- */ +/* Find the opaque pixel value corresponding to an RGB triple */ + +int _rgba( PIXEL_FORMAT * format, int r, int g, int b, int a ) +{ + int color; + + if ( format->depth < 16 ) return find_nearest_color( format->palette, 0, 255, r, g, b ); + + color = (( r >> format->Rloss ) << format->Rshift ) | + (( g >> format->Gloss ) << format->Gshift ) | + (( b >> format->Bloss ) << format->Bshift ) ; + + if ( format->depth == 32 ) color |= (( a >> format->Aloss ) << format->Ashift ); + + return color; +} + +/* --------------------------------------------------------------------------- */ +/* Find the pixel value corresponding to an RGBA quadruple */ + +int _rgb( PIXEL_FORMAT * format, int r, int g, int b ) +{ + return _rgba( format, r, g, b, 255 ); +} + +/* --------------------------------------------------------------------------- */ + +void _get_rgba( PIXEL_FORMAT * format, int color, int *r, int *g, int *b, int *a ) +{ + /* 8 bits mode, work with system palette */ + + if ( format->depth < 16 ) + { + rgb_component * rgb ; + + if ( !format->palette ) rgb = ( rgb_component * ) default_palette; + else rgb = format->palette->rgb ; + + color &= 0xFF ; + ( *r ) = rgb[ color ].r ; + ( *g ) = rgb[ color ].g ; + ( *b ) = rgb[ color ].b ; + + return ; + } + + ( *r ) = (( color & format->Rmask ) >> format->Rshift ) << format->Rloss ; + ( *g ) = (( color & format->Gmask ) >> format->Gshift ) << format->Gloss ; + ( *b ) = (( color & format->Bmask ) >> format->Bshift ) << format->Bloss ; + + if ( a && format->depth == 32 ) ( *a ) = (( color & format->Amask ) >> format->Ashift ) << format->Aloss ; +} + +/* --------------------------------------------------------------------------- */ + +void _get_rgb( PIXEL_FORMAT * format, int color, int *r, int *g, int *b ) +{ + return _get_rgba( format, color, r, g, b, NULL ); +} + +/* --------------------------------------------------------------------------- */ + +void pal_refresh( PALETTE * pal ) +{ + if ( sys_pixel_format->depth > 8 ) + { + int n; + + if ( !pal ) + { + uint8_t * p = default_palette; + for ( n = 0; n < 256; n++ ) + { + default_colorequiv[ n ] = _rgb( sys_pixel_format, *( p ), *( p + 1 ), *( p + 2 ) ); + p += 3; + } + + pal = first_palette; + while ( pal ) + { + for ( n = 256; n--; ) pal->colorequiv[ n ] = _rgb( sys_pixel_format, pal->rgb[ n ].r, pal->rgb[ n ].g, pal->rgb[ n ].b ); + pal = pal->next; + } + } + else + { + for ( n = 256; n--; ) pal->colorequiv[ n ] = _rgb( sys_pixel_format, pal->rgb[ n ].r, pal->rgb[ n ].g, pal->rgb[ n ].b ); + } + } + else + if ( !pal || pal == sys_pixel_format->palette ) palette_changed = 1 ; + +} + +/* --------------------------------------------------------------------------- */ + +void pal_use( PALETTE * pal ) +{ + if ( pal ) pal->use++; +} + +/* --------------------------------------------------------------------------- */ + +int pal_discard( PALETTE * pal ) +{ + if ( !pal ) return 0; + if ( pal->use > 0 ) pal->use--; + return pal->use; +} + +/* --------------------------------------------------------------------------- */ + +PALETTE * pal_new( PALETTE * basepal ) +{ + PALETTE * pal = calloc( 1, sizeof( PALETTE ) ); + if ( !pal ) return NULL ; + + if ( basepal ) + { + memmove( pal->rgb, basepal->rgb, sizeof( pal->rgb ) ) ; + memmove( pal->colorequiv, basepal->colorequiv, sizeof( pal->colorequiv ) ) ; + pal_refresh( pal ); + } + else + { + /* Default */ + if ( sys_pixel_format->palette ) + memmove( pal->rgb, sys_pixel_format->palette->rgb, sizeof( pal->rgb ) ) ; + else + memmove( pal->rgb, default_palette, sizeof( pal->rgb ) ) ; + + pal_refresh( pal ); + } + + pal->use = 1 ; + pal->next = first_palette ; + pal->prev = NULL ; + if ( first_palette ) first_palette->prev = pal; + first_palette = pal ; + + return pal; +} + +/* --------------------------------------------------------------------------- */ + +PALETTE * pal_new_rgb( unsigned char * datapal ) +{ + if ( !datapal ) return NULL ; + + PALETTE * pal = malloc( sizeof( PALETTE ) ); + if ( !pal ) return NULL ; + + memmove( pal->rgb, datapal, sizeof( pal->rgb ) ); + pal_refresh( pal ); + + pal->use = 1 ; + pal->next = first_palette ; + pal->prev = NULL ; + if ( first_palette ) first_palette->prev = pal; + first_palette = pal ; + + return pal; +} + +/* --------------------------------------------------------------------------- */ + +void pal_destroy( PALETTE * pal ) +{ + if ( !pal ) return ; + + if ( pal_discard( pal ) > 0 ) return ; + + if ( pal->next ) pal->next->prev = pal->prev ; + if ( pal->prev ) pal->prev->next = pal->next ; + + if ( pal == first_palette ) first_palette = pal->next ; + + free( pal ); +} + +/* --------------------------------------------------------------------------- */ + +int pal_get( PALETTE * spal, int color, int num, uint8_t * pal ) +{ + if ( num < 1 || color < 0 || color > 255 ) return 0; + if ( color + num > 256 ) num = 256 - color ; + + if ( !spal ) + { + if ( !sys_pixel_format->palette ) sys_pixel_format->palette = pal_new( NULL ); + spal = sys_pixel_format->palette ; + } + + while ( num-- ) + { + *pal++ = spal->rgb[ color ].r ; + *pal++ = spal->rgb[ color ].g ; + *pal++ = spal->rgb[ color++ ].b ; + } + return 1; +} + +/* --------------------------------------------------------------------------- */ + +int pal_set( PALETTE * spal, int color, int num, uint8_t * pal ) +{ + if ( num < 1 || color < 0 || color > 255 ) return 0; + if ( color + num > 256 ) num = 256 - color ; + + if ( !spal ) + { + if ( !sys_pixel_format->palette ) sys_pixel_format->palette = pal_new( NULL ); + spal = sys_pixel_format->palette ; + } + + while ( num-- ) + { + spal->rgb[ color ].r = *pal++ ; + spal->rgb[ color ].g = *pal++ ; + spal->rgb[ color++ ].b = *pal++ ; + } + return 1; +} + +/* --------------------------------------------------------------------------- */ + +int pal_map_assign( int libid, int mapcode, PALETTE * palid ) +{ + GRAPH * bmp = bitmap_get( libid, mapcode ) ; + PALETTE * oldpal ; + + if ( !bmp /*|| !palid*/ || bmp->format->depth != 8 ) return 0 ; + + oldpal = bmp->format->palette ; + bmp->format->palette = palid ; + + pal_use( bmp->format->palette ) ; + + if ( oldpal ) pal_destroy( oldpal ) ; + + bmp->modified = 1; + + return 1 ; +} + +/* --------------------------------------------------------------------------- */ + +int pal_map_remove( int libid, int mapcode ) +{ + GRAPH * bmp = bitmap_get( libid, mapcode ) ; + + if ( !bmp || bmp->format->depth != 8 ) return 0 ; + + if ( bmp->format->palette ) pal_destroy( bmp->format->palette ) ; + + bmp->format->palette = NULL ; + bmp->modified = 1; + + return 1 ; +} + +/* --------------------------------------------------------------------------- */ + +void gr_roll_palette( int color0, int num, int inc ) +{ + rgb_component backup[ 256 ] ; + + if ( color0 < 0 || color0 > 255 ) return ; + if ( num + color0 > 255 ) num = 256 - color0 ; + + while ( inc >= num ) inc -= num ; + while ( inc <= -num ) inc += num ; + + if ( !inc ) return ; + + memcpy( &backup[ color0 ], &sys_pixel_format->palette->rgb[ color0 ], sizeof( rgb_component ) * num ) ; + + if ( inc < 0 ) /* Derecha */ + { + inc = -inc ; + memmove( &sys_pixel_format->palette->rgb[ color0 + inc ], &sys_pixel_format->palette->rgb[ color0 ], sizeof( rgb_component ) * ( num - inc ) ) ; + memcpy( &sys_pixel_format->palette->rgb[ color0 ], &backup[ color0 + num - inc ], sizeof( rgb_component ) * inc ) ; + } + else /* Izquierda */ + { + memmove( &sys_pixel_format->palette->rgb[ color0 ], &sys_pixel_format->palette->rgb[ color0 + inc ], sizeof( rgb_component ) * ( num - inc ) ) ; + memcpy( &sys_pixel_format->palette->rgb[ color0 + num - inc ], &backup[ color0 ], sizeof( rgb_component ) * inc ) ; + } + + palette_changed = 1 ; +} + +/* --------------------------------------------------------------------------- */ + +int gr_rgb( int r, int g, int b ) +{ + int color ; + color = _rgb( sys_pixel_format, r, g, b ); + if ( sys_pixel_format->depth == 16 && !color ) return 1; + return color ; +} + +/* --------------------------------------------------------------------------- */ + +int gr_rgba( int r, int g, int b, int a ) +{ + int color ; + color = _rgba( sys_pixel_format, r, g, b, a ); + if ( sys_pixel_format->depth == 16 && !color ) return 1; + return color ; +} + +/* --------------------------------------------------------------------------- */ + +void gr_get_rgb( int color, int *r, int *g, int *b ) +{ + return _get_rgb( sys_pixel_format, color, r, g, b ); +} + +/* --------------------------------------------------------------------------- */ + +void gr_get_rgba( int color, int *r, int *g, int *b, int *a ) +{ + return _get_rgba( sys_pixel_format, color, r, g, b, a ); +} + +/* --------------------------------------------------------------------------- */ +/* This functions is used only for 16 and 32 bits */ + +int gr_rgb_depth( int depth, int r, int g, int b ) +{ + int color ; + PIXEL_FORMAT * pf = bitmap_create_format( depth ); + color = _rgb( pf, r, g, b ); + free( pf ); + if ( !color && depth == 16 ) return 1 ; + return color ; +} + +/* --------------------------------------------------------------------------- */ +/* This functions is used only for 16 and 32 bits */ + +int gr_rgba_depth( int depth, int r, int g, int b, int a ) +{ + int color ; + PIXEL_FORMAT * pf = bitmap_create_format( depth ); + color = _rgba( pf, r, g, b, a ); + free( pf ); + if ( !color && depth == 16 ) return 1 ; + return color ; +} + +/* --------------------------------------------------------------------------- */ + +void gr_get_rgb_depth( int depth, int color, int *r, int *g, int *b ) +{ + PIXEL_FORMAT * pf = bitmap_create_format( depth ); + _get_rgb( pf, color, r, g, b ); + free( pf ); +} + +/* --------------------------------------------------------------------------- */ + +void gr_get_rgba_depth( int depth, int color, int *r, int *g, int *b, int *a ) +{ + PIXEL_FORMAT * pf = bitmap_create_format( depth ); + _get_rgba( pf, color, r, g, b, a ); + free( pf ); +} + +/* --------------------------------------------------------------------------- */ + +int gr_find_nearest_color( int r, int g, int b ) +{ + return find_nearest_color( sys_pixel_format->palette, 0, 255, r, g, b ) ; +} + +/* --------------------------------------------------------------------------- */ + +void gr_make_trans_table() +{ + int a = 0, b = 0; + int r1, g1, b1; + rgb_component * rgb; + + if ( trans_table_updated ) return ; + + if ( sys_pixel_format->palette ) + rgb = sys_pixel_format->palette->rgb; + else + rgb = ( rgb_component * ) default_palette; + + for ( a = 0; a < 256; a++ ) + { + r1 = rgb[ a ].r / 2 ; + g1 = rgb[ a ].g / 2 ; + b1 = rgb[ a ].b / 2 ; + + for ( b = 0; b < a; b++ ) + trans_table[ a ][ b ] = + trans_table[ b ][ a ] = + find_nearest_color( NULL, b, a, r1 + rgb[ b ].r / 2, g1 + rgb[ b ].g / 2, b1 + rgb[ b ].b / 2 ) ; + + trans_table[ a ][ a ] = a ; + trans_table[ 0 ][ a ] = a ; + } + + trans_table_updated = 1 ; +} + +/* --------------------------------------------------------------------------- */ + +void gr_set_rgb( int color, int r, int g, int b ) +{ + if ( color < 0 || color > 255 ) return ; + + if ( !sys_pixel_format->palette ) + { + sys_pixel_format->palette = pal_new( NULL ); + memset ( sys_pixel_format->palette->rgb, '\0', sizeof( sys_pixel_format->palette->rgb ) ); + } + + sys_pixel_format->palette->rgb[ color ].r = r << 2; + sys_pixel_format->palette->rgb[ color ].g = g << 2; + sys_pixel_format->palette->rgb[ color ].b = b << 2; + + palette_changed = 1 ; +} + +/* --------------------------------------------------------------------------- */ + +/* Rutinas para guardar y recibir trozos de paleta desde/hacia un buffer */ + +void gr_get_colors( int color, int num, uint8_t * pal ) +{ + rgb_component * rgb; + + if ( num < 1 || color < 0 || color > 255 ) return ; + if ( color + num > 256 ) num = 256 - color ; + + if ( !sys_pixel_format->palette ) + rgb = ( rgb_component * ) default_palette; + else + rgb = ( rgb_component * ) sys_pixel_format->palette->rgb; + + while ( num-- ) + { + *pal++ = rgb[ color ].r ; + *pal++ = rgb[ color ].g ; + *pal++ = rgb[ color++ ].b ; + } +} + +/* --------------------------------------------------------------------------- */ + +void gr_set_colors( int color, int num, uint8_t * pal ) +{ + if ( num < 1 || color < 0 || color > 255 ) return ; + if ( color + num > 256 ) num = 256 - color ; + + if ( !sys_pixel_format->palette ) + { + sys_pixel_format->palette = pal_new( NULL ); + memset ( sys_pixel_format->palette->rgb, '\0', sizeof( sys_pixel_format->palette->rgb ) ); + } + + while ( num-- ) + { + sys_pixel_format->palette->rgb[ color ].r = *pal++ ; + sys_pixel_format->palette->rgb[ color ].g = *pal++ ; + sys_pixel_format->palette->rgb[ color++ ].b = *pal++ ; + } + + palette_changed = 1 ; +} + +/* --------------------------------------------------------------------------- */ + diff --git a/modules/libgrbase/g_pal.h b/modules/libgrbase/g_pal.h new file mode 100644 index 0000000..1895438 --- /dev/null +++ b/modules/libgrbase/g_pal.h @@ -0,0 +1,133 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __PAL_H +#define __PAL_H + +/* --------------------------------------------------------------------------- */ +#ifdef _MSC_VER +#pragma pack(push, 1) +#endif + +typedef struct _rgb_component +{ + uint8_t r ; + uint8_t g ; + uint8_t b ; +} +#ifdef __GNUC__ +__attribute__ ((packed)) +#endif +rgb_component ; + +typedef struct _palette +{ + rgb_component rgb[256] ; + + uint32_t colorequiv[256] ; + + int use; + + struct _palette * next ; + struct _palette * prev ; +} +#ifdef __GNUC__ +__attribute__ ((packed)) +#endif +PALETTE ; + +#ifdef _MSC_VER +#pragma pack(pop) +#endif + +/* --------------------------------------------------------------------------- */ + +#include "g_bitmap.h" + +/* --------------------------------------------------------------------------- */ + +/* Paleta de colores */ +/* ----------------- */ + +extern PALETTE * first_palette ; + +extern int palette_changed ; + +/* Lista ordenada de colores */ + +extern int color_list[ 256 ] ; + +/* Tabla de transparencias */ + +extern uint8_t trans_table[ 256 ][ 256 ] ; +extern int trans_table_updated ; + +/* Deja un color a 50% de intensidad */ + +extern uint16_t colorghost[65536] ; + +/* Paleta de colores por defecto */ + +extern uint8_t default_palette[]; +extern uint32_t default_colorequiv[256]; + +/* --------------------------------------------------------------------------- */ + +extern int find_nearest_color( PALETTE * pal, int first, int last, int r, int g, int b ); +extern int _rgb( PIXEL_FORMAT * format, int r, int g, int b ); +extern int _rgba( PIXEL_FORMAT * format, int r, int g, int b, int a ); +void _get_rgb( PIXEL_FORMAT * format, int color, int *r, int *g, int *b ); +void _get_rgba( PIXEL_FORMAT * format, int color, int *r, int *g, int *b, int *a ); +extern void pal_refresh( PALETTE * pal ); +extern void pal_use( PALETTE * pal ); +extern int pal_discard( PALETTE * pal ); +extern PALETTE * pal_new( PALETTE * basepal ); +extern PALETTE * pal_new_rgb( unsigned char * datapal ); +extern void pal_destroy( PALETTE * pal ); +extern int pal_get( PALETTE * spal, int color, int num, uint8_t * pal ); +extern int pal_set( PALETTE * spal, int color, int num, uint8_t * pal ); +extern int pal_map_assign( int libid, int mapcode, PALETTE * palid ); +extern int pal_map_remove( int libid, int mapcode ); +extern void gr_roll_palette( int color0, int num, int inc ); +extern int gr_rgb( int r, int g, int b ); +extern int gr_rgba( int r, int g, int b, int a ); +extern void gr_get_rgb( int color, int *r, int *g, int *b ); +extern void gr_get_rgba( int color, int *r, int *g, int *b, int *a ); +extern int gr_rgb_depth( int depth, int r, int g, int b ); +extern int gr_rgba_depth( int depth, int r, int g, int b, int a ); +extern void gr_get_rgb_depth( int depth, int color, int *r, int *g, int *b ); +extern void gr_get_rgba_depth( int depth, int color, int *r, int *g, int *b, int *a ); +extern int gr_find_nearest_color( int r, int g, int b ); +extern void gr_make_trans_table(); +extern void gr_set_rgb( int color, int r, int g, int b ); +extern void gr_get_colors( int color, int num, uint8_t * pal ); +extern void gr_set_colors( int color, int num, uint8_t * pal ); + +/* --------------------------------------------------------------------------- */ + +#endif diff --git a/modules/libgrbase/g_region.h b/modules/libgrbase/g_region.h new file mode 100644 index 0000000..519d314 --- /dev/null +++ b/modules/libgrbase/g_region.h @@ -0,0 +1,43 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __REGION_H +#define __REGION_H + +/* --------------------------------------------------------------------------- */ + +typedef struct _clipregion +{ + int x ; + int y ; + int x2 ; /* Inclusive */ + int y2 ; +} +REGION ; + +#endif diff --git a/modules/libgrbase/libgrbase.c b/modules/libgrbase/libgrbase.c new file mode 100644 index 0000000..49deb95 --- /dev/null +++ b/modules/libgrbase/libgrbase.c @@ -0,0 +1,65 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ + +#include "bgddl.h" + +#include "libgrbase.h" + +/* --------------------------------------------------------------------------- */ + +PIXEL_FORMAT * std_pixel_format8 = NULL; +PIXEL_FORMAT * std_pixel_format16 = NULL; +PIXEL_FORMAT * std_pixel_format32 = NULL; + +PIXEL_FORMAT * sys_pixel_format = NULL; + +GRAPH * background = NULL ; +GRAPH * scrbitmap = NULL ; + + +/* --------------------------------------------------------------------------- */ +/* Module initialization */ + +void __bgdexport( libgrbase, module_initialize )() +{ + std_pixel_format8 = bitmap_create_format( 8 ) ; + std_pixel_format16 = bitmap_create_format( 16 ) ; + std_pixel_format32 = bitmap_create_format( 32 ) ; + + grlib_init() ; +} + +/* --------------------------------------------------------------------------- */ +/* exports */ +/* --------------------------------------------------------------------------- */ + +#include "libgrbase_exports.h" + +/* --------------------------------------------------------------------------- */ diff --git a/modules/libgrbase/libgrbase.h b/modules/libgrbase/libgrbase.h new file mode 100644 index 0000000..44c46ca --- /dev/null +++ b/modules/libgrbase/libgrbase.h @@ -0,0 +1,60 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __LIBGRBASE_H +#define __LIBGRBASE_H + +/* --------------------------------------------------------------------------- */ + +#include <stdlib.h> +#include <stdint.h> + +/* --------------------------------------------------------------------------- */ + +#include "g_pal.h" +#include "g_bitmap.h" +#include "g_clear.h" +#include "g_grlib.h" +#include "g_region.h" +#include "g_blendop.h" +#include "g_conversion.h" + +/* --------------------------------------------------------------------------- */ + +extern PIXEL_FORMAT * std_pixel_format8 ; +extern PIXEL_FORMAT * std_pixel_format16 ; +extern PIXEL_FORMAT * std_pixel_format32 ; + +extern PIXEL_FORMAT * sys_pixel_format ; + +extern GRAPH * background ; +extern GRAPH * scrbitmap ; + +/* --------------------------------------------------------------------------- */ + +#endif diff --git a/modules/libgrbase/libgrbase_exports.h b/modules/libgrbase/libgrbase_exports.h new file mode 100644 index 0000000..2cecad7 --- /dev/null +++ b/modules/libgrbase/libgrbase_exports.h @@ -0,0 +1,51 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __LIBGRBASE_EXPORTS +#define __LIBGRBASE_EXPORTS + +/* --------------------------------------------------------------------------- */ + +#if defined(__BGDC__) || !defined(__STATIC__) + +/* --------------------------------------------------------------------------- */ + +#include "bgddl.h" + +/* --------------------------------------------------------------------------- */ +/* Definicion de variables globales (usada en tiempo de compilacion) */ + +char * __bgdexport( libgrbase, globals_def ) = + "alpha_steps = 16;\n" + ; + +#endif + +/* --------------------------------------------------------------------------- */ + +#endif diff --git a/modules/libgrbase/resolution.h b/modules/libgrbase/resolution.h new file mode 100644 index 0000000..4033058 --- /dev/null +++ b/modules/libgrbase/resolution.h @@ -0,0 +1,86 @@ +/* + * Copyright © 2006-2013 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +#ifndef __RESOLUTION_H +#define __RESOLUTION_H + +/* -------------------------------------------------------------------- */ +/* Librería gráfica */ +/* -------------------------------------------------------------------- */ + +#define RESOLXY(m,r,x,y) \ + { \ + int res = LOCINT32(m, r, RESOLUTION ) ; \ + if ( res > 0 ) \ + { \ + if ( x < 0 ) \ + ( x ) = ( ( x ) - ( res - 1 )) / res ; \ + else \ + ( x ) /= res ; \ + \ + if ( y < 0 ) \ + ( y ) = ( ( y ) - ( res - 1 )) / res ; \ + else \ + ( y ) /= res ; \ + } \ + else if ( res < 0 ) \ + { \ + ( x ) *= -res ; \ + ( y ) *= -res ; \ + } \ + } + +#define RESOLXYZ(m,r,x,y,z) \ + { \ + int res = LOCINT32(m, r, RESOLUTION ) ; \ + if ( res > 0 ) \ + { \ + if ( x < 0 ) \ + ( x ) = ( ( x ) - ( res - 1 )) / res ; \ + else \ + ( x ) /= res ; \ + \ + if ( y < 0 ) \ + ( y ) = ( ( y ) - ( res - 1 )) / res ; \ + else \ + ( y ) /= res ; \ + \ + if ( z < 0 ) \ + ( z ) = ( ( z ) - ( res - 1 )) / res ; \ + else \ + ( z ) /= res ; \ + } \ + else if ( res < 0 ) \ + { \ + ( x ) *= -res ; \ + ( y ) *= -res ; \ + ( z ) *= -res ; \ + } \ + } + +#endif |