netsurf/debug/fontd.c

83 lines
2.1 KiB
C

/*
* Copyright 2005 James Bursa <bursa@users.sourceforge.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <assert.h>
#include "css/css.h"
#include "render/font.h"
static bool nsfont_width(const struct css_style *style,
const char *string, size_t length, int *width);
static bool nsfont_position_in_string(const struct css_style *style,
const char *string, size_t length,
int x, size_t *char_offset, int *actual_x);
static bool nsfont_split(const struct css_style *style,
const char *string, size_t length,
int x, size_t *char_offset, int *actual_x);
const struct font_functions nsfont = {
nsfont_width,
nsfont_position_in_string,
nsfont_split
};
bool nsfont_width(const struct css_style *style,
const char *string, size_t length,
int *width)
{
assert(style);
assert(string);
*width = length * 10;
return true;
}
bool nsfont_position_in_string(const struct css_style *style,
const char *string, size_t length,
int x, size_t *char_offset, int *actual_x)
{
assert(style);
assert(string);
*char_offset = (x + 5) / 10;
if (length < *char_offset)
*char_offset = length;
*actual_x = *char_offset * 10;
return true;
}
bool nsfont_split(const struct css_style *style,
const char *string, size_t length,
int x, size_t *char_offset, int *actual_x)
{
assert(style);
assert(string);
*char_offset = x / 10;
if (length < *char_offset)
*char_offset = length;
while (*char_offset && string[*char_offset] != ' ')
(*char_offset)--;
*actual_x = *char_offset * 10;
return true;
}