From ea1947ffcc606d757357398b24e74a3f4ecefa07 Mon Sep 17 00:00:00 2001 From: neonloop Date: Wed, 20 Oct 2021 14:54:27 +0000 Subject: Initial commit from steward-fu release --- modules/libblit/g_pixel.h | 67 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 modules/libblit/g_pixel.h (limited to 'modules/libblit/g_pixel.h') diff --git a/modules/libblit/g_pixel.h b/modules/libblit/g_pixel.h new file mode 100644 index 0000000..07362c3 --- /dev/null +++ b/modules/libblit/g_pixel.h @@ -0,0 +1,67 @@ +/* + * 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 __PIXEL_H +#define __PIXEL_H + +/* --------------------------------------------------------------------------- */ + +#include + +/* --------------------------------------------------------------------------- */ + +extern int pixel_color8 ; +extern uint16_t pixel_color16 ; +extern uint32_t pixel_color32 ; + +extern uint16_t pixel_color16_alpha ; + +extern int pixel_alpha ; +extern uint8_t * pixel_alpha8 ; +extern uint16_t * pixel_alpha16 ; + +/* --------------------------------------------------------------------------- */ +/* Pixels */ +/* ------ */ + +/* --------------------------------------------------------------------------- */ + +#define _Pixel8(ptr,color) * ((uint8_t *)(ptr)) = (( pixel_alpha == 255 ) ? (color) : (pixel_alpha8[(uint8_t)(((color) << 8) + *(ptr))])) +#define _Pixel16(ptr,color,color_alpha) * ((uint16_t *)(ptr)) = (( pixel_alpha == 255 ) ? (color) : (pixel_alpha16[(uint16_t)*(ptr)] + (color_alpha))) +#define _Pixel32(ptr,color) * ((uint32_t *)(ptr)) = (( pixel_alpha == 255 ) ? (color) : (color)) + +/* --------------------------------------------------------------------------- */ + +extern int gr_get_pixel( GRAPH * dest, int x, int y ); +extern void gr_put_pixel( GRAPH * dest, int x, int y, int color ); +extern void gr_put_pixelc( GRAPH * dest, REGION * clip, int x, int y, int color ); +extern void gr_setalpha( int value ); +extern void gr_setcolor( int c ); + +/* --------------------------------------------------------------------------- */ +#endif -- cgit v1.2.3