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/*
* Copyright (c) 2006 Josef Cejka
* Copyright (c) 2011 Petr Koupy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libc
* @{
*/
/** @file
*/
#ifndef LIBC_IO_CHARFIELD_H_
#define LIBC_IO_CHARFIELD_H_
#include <sys/types.h>
#include <bool.h>
#include <io/color.h>
#include <io/style.h>
#include <io/pixel.h>
typedef enum {
CHAR_FLAG_NONE = 0,
CHAR_FLAG_DIRTY = 1
} char_flags_t;
typedef enum {
CHAR_ATTR_STYLE,
CHAR_ATTR_INDEX,
CHAR_ATTR_RGB
} char_attr_type_t;
typedef struct {
console_color_t bgcolor;
console_color_t fgcolor;
console_color_attr_t attr;
} char_attr_index_t;
typedef struct {
pixel_t bgcolor;
pixel_t fgcolor;
} char_attr_rgb_t;
typedef union {
console_style_t style;
char_attr_index_t index;
char_attr_rgb_t rgb;
} char_attr_val_t;
typedef struct {
char_attr_type_t type;
char_attr_val_t val;
} char_attrs_t;
typedef struct {
wchar_t ch;
char_attrs_t attrs;
char_flags_t flags;
} charfield_t;
static inline bool attrs_same(char_attrs_t a1, char_attrs_t a2)
{
if (a1.type != a2.type)
return false;
switch (a1.type) {
case CHAR_ATTR_STYLE:
return (a1.val.style == a2.val.style);
case CHAR_ATTR_INDEX:
return (a1.val.index.bgcolor == a2.val.index.bgcolor)
&& (a1.val.index.fgcolor == a2.val.index.fgcolor)
&& (a1.val.index.attr == a2.val.index.attr);
case CHAR_ATTR_RGB:
return (a1.val.rgb.bgcolor == a2.val.rgb.bgcolor)
&& (a1.val.rgb.fgcolor == a2.val.rgb.fgcolor);
}
return false;
}
#endif
/** @}
*/
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