mirror of
https://github.com/netsurf-browser/netsurf
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69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/*
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* Copyright 2008 Vincent Sanders <vince@simtec.co.uk>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef NETSURF_FB_FONT_H
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#define NETSURF_FB_FONT_H
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extern struct gui_layout_table *framebuffer_layout_table;
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extern struct gui_utf8_table *framebuffer_utf8_table;
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/**
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* Initialise framebuffer font handling.
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*/
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bool fb_font_init(void);
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/**
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* Finalise framebuffer font handling.
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*/
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bool fb_font_finalise(void);
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/**
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* Find the position in a string where an x coordinate falls.
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*
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* \param[in] fstyle style for this text
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* \param[in] string UTF-8 string to measure
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* \param[in] length length of string, in bytes
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* \param[in] x coordinate to search for
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* \param[out] char_offset updated to offset in string of actual_x, [0..length]
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* \param[out] actual_x updated to x coordinate of character closest to x
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* \return NSERROR_OK and char_offset and actual_x updated or
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* appropriate error code on faliure
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*/
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nserror fb_font_position(const struct plot_font_style *fstyle, const char *string, size_t length, int x, size_t *char_offset, int *actual_x);
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/**
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* Measure the width of a string.
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*
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* \param[in] fstyle plot style for this text
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* \param[in] string UTF-8 string to measure
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* \param[in] length length of string, in bytes
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* \param[out] width updated to width of string[0..length)
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* \return NSERROR_OK and width updated or appropriate error code on faliure
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*/
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nserror fb_font_width(const struct plot_font_style *fstyle, const char *string, size_t length, int *width);
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#ifdef FB_USE_FREETYPE
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#include "framebuffer/font_freetype.h"
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#else
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#include "framebuffer/font_internal.h"
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#endif
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#endif /* NETSURF_FB_FONT_H */
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