| 1 | /* Pango |
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| 2 | * pangofc-decoder.c: Custom font encoder/decoders |
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| 3 | * |
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| 4 | * Copyright (C) 2004 Red Hat Software |
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| 5 | * |
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| 6 | * This library is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Library General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * This library is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Library General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Library General Public |
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| 17 | * License along with this library; if not, write to the |
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| 18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 19 | * Boston, MA 02111-1307, USA. |
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| 20 | */ |
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| 21 | |
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| 22 | #include "config.h" |
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| 23 | #include "pangofc-decoder.h" |
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| 24 | |
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| 25 | G_DEFINE_ABSTRACT_TYPE (PangoFcDecoder, pango_fc_decoder, G_TYPE_OBJECT) |
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| 26 | |
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| 27 | static void |
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| 28 | pango_fc_decoder_init (PangoFcDecoder *decoder G_GNUC_UNUSED) |
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| 29 | { |
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| 30 | } |
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| 31 | |
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| 32 | static void |
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| 33 | pango_fc_decoder_class_init (PangoFcDecoderClass *klass G_GNUC_UNUSED) |
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| 34 | { |
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| 35 | } |
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| 36 | |
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| 37 | /** |
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| 38 | * pango_fc_decoder_get_charset: |
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| 39 | * @decoder: a `PangoFcDecoder` |
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| 40 | * @fcfont: the `PangoFcFont` to query. |
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| 41 | * |
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| 42 | * Generates an `FcCharSet` of supported characters for the @fcfont |
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| 43 | * given. |
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| 44 | * |
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| 45 | * The returned `FcCharSet` will be a reference to an |
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| 46 | * internal value stored by the `PangoFcDecoder` and must not |
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| 47 | * be modified or freed. |
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| 48 | * |
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| 49 | * Returns: (transfer none): the `FcCharset` for @fcfont; must not |
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| 50 | * be modified or freed. |
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| 51 | * |
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| 52 | * Since: 1.6 |
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| 53 | **/ |
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| 54 | FcCharSet * |
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| 55 | pango_fc_decoder_get_charset (PangoFcDecoder *decoder, |
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| 56 | PangoFcFont *fcfont) |
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| 57 | { |
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| 58 | g_return_val_if_fail (PANGO_IS_FC_DECODER (decoder), NULL); |
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| 59 | |
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| 60 | return PANGO_FC_DECODER_GET_CLASS (decoder)->get_charset (decoder, fcfont); |
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| 61 | } |
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| 62 | |
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| 63 | /** |
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| 64 | * pango_fc_decoder_get_glyph: |
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| 65 | * @decoder: a `PangoFcDecoder` |
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| 66 | * @fcfont: a `PangoFcFont` to query. |
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| 67 | * @wc: the Unicode code point to convert to a single `PangoGlyph`. |
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| 68 | * |
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| 69 | * Generates a `PangoGlyph` for the given Unicode point using the |
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| 70 | * custom decoder. |
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| 71 | * |
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| 72 | * For complex scripts where there can be multiple |
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| 73 | * glyphs for a single character, the decoder will return whatever |
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| 74 | * glyph is most convenient for it. (Usually whatever glyph is directly |
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| 75 | * in the fonts character map table.) |
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| 76 | * |
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| 77 | * Return value: the glyph index, or 0 if the glyph isn't |
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| 78 | * covered by the font. |
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| 79 | * |
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| 80 | * Since: 1.6 |
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| 81 | **/ |
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| 82 | PangoGlyph |
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| 83 | pango_fc_decoder_get_glyph (PangoFcDecoder *decoder, |
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| 84 | PangoFcFont *fcfont, |
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| 85 | guint32 wc) |
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| 86 | { |
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| 87 | g_return_val_if_fail (PANGO_IS_FC_DECODER (decoder), 0); |
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| 88 | |
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| 89 | return PANGO_FC_DECODER_GET_CLASS (decoder)->get_glyph (decoder, fcfont, wc); |
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| 90 | } |
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| 91 | |
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