53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
// -*- c-basic-offset: 8; indent-tabs-mode: t -*-
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// vim:ts=8:sw=8:noet:ai:
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/*
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* Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
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*
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* This file is part of libass.
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*
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* libass 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; either version 2 of the License, or
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* (at your option) any later version.
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*
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* libass 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 along
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* with libass; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef LIBASS_BITMAP_H
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#define LIBASS_BITMAP_H
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#include <ft2build.h>
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#include FT_GLYPH_H
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typedef struct ass_synth_priv_s ass_synth_priv_t;
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ass_synth_priv_t* ass_synth_init(double);
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void ass_synth_done(ass_synth_priv_t* priv);
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typedef struct bitmap_s {
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int left, top;
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int w, h; // width, height
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unsigned char* buffer; // w x h buffer
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} bitmap_t;
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/**
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* \brief perform glyph rendering
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* \param glyph original glyph
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* \param outline_glyph "border" glyph, produced from original by FreeType's glyph stroker
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* \param bm_g out: pointer to the bitmap of original glyph is returned here
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* \param bm_o out: pointer to the bitmap of outline (border) glyph is returned here
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* \param bm_g out: pointer to the bitmap of glyph shadow is returned here
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* \param be 1 = produces blurred bitmaps, 0 = normal bitmaps
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*/
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int glyph_to_bitmap(ass_synth_priv_t* priv_blur, FT_Glyph glyph, FT_Glyph outline_glyph, bitmap_t** bm_g, bitmap_t** bm_o, bitmap_t** bm_s, int be, double blur_radius);
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void ass_free_bitmap(bitmap_t* bm);
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#endif /* LIBASS_BITMAP_H */
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