[hb-shape] Move shape_output_t into separate file
This commit is contained in:
Behdad Esfahbod
parent
94be459808
commit
38f2ec1703
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@ -28,6 +28,7 @@ HB_SHAPE_sources = \
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shape-consumer.hh \
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shape-format.hh \
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shape-options.hh \
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shape-output.hh \
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text-options.hh \
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$(NULL)
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126
util/hb-shape.cc
126
util/hb-shape.cc
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@ -28,137 +28,13 @@
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#include "batch.hh"
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#include "font-options.hh"
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#include "main-font-text.hh"
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#include "output-options.hh"
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#include "shape-consumer.hh"
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#include "shape-format.hh"
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#include "shape-output.hh"
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#include "text-options.hh"
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const unsigned DEFAULT_FONT_SIZE = FONT_SIZE_UPEM;
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const unsigned SUBPIXEL_BITS = 0;
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struct shape_output_t : output_options_t<>
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{
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void add_options (option_parser_t *parser)
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{
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parser->set_summary ("Shape text with given font.");
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output_options_t::add_options (parser, hb_buffer_serialize_list_formats ());
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format.add_options (parser);
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}
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void init (hb_buffer_t *buffer, const font_options_t *font_opts)
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{
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gs = g_string_new (nullptr);
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line_no = 0;
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font = hb_font_reference (font_opts->font);
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if (!output_format)
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serialize_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
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else
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serialize_format = hb_buffer_serialize_format_from_string (output_format, -1);
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/* An empty "output_format" parameter basically skips output generating.
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* Useful for benchmarking. */
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if ((!output_format || *output_format) &&
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!hb_buffer_serialize_format_to_string (serialize_format))
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{
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if (explicit_output_format)
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fail (false, "Unknown output format `%s'; supported formats are: %s",
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output_format,
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g_strjoinv ("/", const_cast<char**> (hb_buffer_serialize_list_formats ())));
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else
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/* Just default to TEXT if not explicitly requested and the
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* file extension is not recognized. */
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serialize_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
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}
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unsigned int flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
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if (!format.show_glyph_names)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES;
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if (!format.show_clusters)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS;
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if (!format.show_positions)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
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if (!format.show_advances)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES;
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if (format.show_extents)
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flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
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if (format.show_flags)
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flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS;
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serialize_flags = (hb_buffer_serialize_flags_t) flags;
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if (format.trace)
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hb_buffer_set_message_func (buffer, message_func, this, nullptr);
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}
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void new_line () { line_no++; }
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void consume_text (hb_buffer_t *buffer,
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const char *text,
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unsigned int text_len,
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hb_bool_t utf8_clusters)
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{
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g_string_set_size (gs, 0);
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format.serialize_buffer_of_text (buffer, line_no, text, text_len, font, gs);
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fprintf (out_fp, "%s", gs->str);
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}
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void error (const char *message)
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{
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g_string_set_size (gs, 0);
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format.serialize_message (line_no, "error", message, gs);
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fprintf (out_fp, "%s", gs->str);
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}
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void consume_glyphs (hb_buffer_t *buffer,
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const char *text,
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unsigned int text_len,
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hb_bool_t utf8_clusters)
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{
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g_string_set_size (gs, 0);
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format.serialize_buffer_of_glyphs (buffer, line_no, text, text_len, font,
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serialize_format, serialize_flags, gs);
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fprintf (out_fp, "%s", gs->str);
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}
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void finish (hb_buffer_t *buffer, const font_options_t *font_opts)
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{
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hb_buffer_set_message_func (buffer, nullptr, nullptr, nullptr);
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hb_font_destroy (font);
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g_string_free (gs, true);
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gs = nullptr;
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font = nullptr;
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}
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static hb_bool_t
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message_func (hb_buffer_t *buffer,
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hb_font_t *font,
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const char *message,
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void *user_data)
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{
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shape_output_t *that = (shape_output_t *) user_data;
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that->trace (buffer, font, message);
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return true;
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}
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void
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trace (hb_buffer_t *buffer,
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hb_font_t *font,
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const char *message)
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{
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g_string_set_size (gs, 0);
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format.serialize_line_no (line_no, gs);
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g_string_append_printf (gs, "trace: %s buffer: ", message);
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format.serialize (buffer, font, serialize_format, serialize_flags, gs);
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g_string_append_c (gs, '\n');
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fprintf (out_fp, "%s", gs->str);
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}
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protected:
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shape_format_options_t format;
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GString *gs = nullptr;
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unsigned int line_no = 0;
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hb_font_t *font = nullptr;
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hb_buffer_serialize_format_t serialize_format = HB_BUFFER_SERIALIZE_FORMAT_INVALID;
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hb_buffer_serialize_flags_t serialize_flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
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};
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int
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main (int argc, char **argv)
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{
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@ -0,0 +1,159 @@
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/*
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* Copyright © 2010 Behdad Esfahbod
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* Copyright © 2011,2012 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#ifndef HB_SHAPE_OUTPUT_HH
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#define HB_SHAPE_OUTPUT_HH
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#include "shape-format.hh"
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#include "output-options.hh"
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struct shape_output_t : output_options_t<>
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{
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void add_options (option_parser_t *parser)
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{
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parser->set_summary ("Shape text with given font.");
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output_options_t::add_options (parser, hb_buffer_serialize_list_formats ());
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format.add_options (parser);
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}
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void init (hb_buffer_t *buffer, const font_options_t *font_opts)
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{
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gs = g_string_new (nullptr);
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line_no = 0;
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font = hb_font_reference (font_opts->font);
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if (!output_format)
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serialize_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
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else
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serialize_format = hb_buffer_serialize_format_from_string (output_format, -1);
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/* An empty "output_format" parameter basically skips output generating.
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* Useful for benchmarking. */
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if ((!output_format || *output_format) &&
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!hb_buffer_serialize_format_to_string (serialize_format))
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{
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if (explicit_output_format)
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fail (false, "Unknown output format `%s'; supported formats are: %s",
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output_format,
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g_strjoinv ("/", const_cast<char**> (hb_buffer_serialize_list_formats ())));
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else
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/* Just default to TEXT if not explicitly requested and the
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* file extension is not recognized. */
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serialize_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
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}
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unsigned int flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
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if (!format.show_glyph_names)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES;
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if (!format.show_clusters)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS;
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if (!format.show_positions)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
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if (!format.show_advances)
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flags |= HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES;
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if (format.show_extents)
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flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
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if (format.show_flags)
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flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS;
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serialize_flags = (hb_buffer_serialize_flags_t) flags;
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if (format.trace)
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hb_buffer_set_message_func (buffer, message_func, this, nullptr);
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}
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void new_line () { line_no++; }
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void consume_text (hb_buffer_t *buffer,
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const char *text,
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unsigned int text_len,
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hb_bool_t utf8_clusters)
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{
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g_string_set_size (gs, 0);
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format.serialize_buffer_of_text (buffer, line_no, text, text_len, font, gs);
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fprintf (out_fp, "%s", gs->str);
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}
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void error (const char *message)
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{
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g_string_set_size (gs, 0);
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format.serialize_message (line_no, "error", message, gs);
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fprintf (out_fp, "%s", gs->str);
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}
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void consume_glyphs (hb_buffer_t *buffer,
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const char *text,
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unsigned int text_len,
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hb_bool_t utf8_clusters)
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{
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g_string_set_size (gs, 0);
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format.serialize_buffer_of_glyphs (buffer, line_no, text, text_len, font,
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serialize_format, serialize_flags, gs);
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fprintf (out_fp, "%s", gs->str);
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}
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void finish (hb_buffer_t *buffer, const font_options_t *font_opts)
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{
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hb_buffer_set_message_func (buffer, nullptr, nullptr, nullptr);
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hb_font_destroy (font);
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g_string_free (gs, true);
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gs = nullptr;
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font = nullptr;
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}
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static hb_bool_t
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message_func (hb_buffer_t *buffer,
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hb_font_t *font,
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const char *message,
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void *user_data)
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{
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shape_output_t *that = (shape_output_t *) user_data;
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that->trace (buffer, font, message);
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return true;
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}
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void
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trace (hb_buffer_t *buffer,
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hb_font_t *font,
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const char *message)
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{
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g_string_set_size (gs, 0);
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format.serialize_line_no (line_no, gs);
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g_string_append_printf (gs, "trace: %s buffer: ", message);
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format.serialize (buffer, font, serialize_format, serialize_flags, gs);
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g_string_append_c (gs, '\n');
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fprintf (out_fp, "%s", gs->str);
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}
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protected:
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shape_format_options_t format;
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GString *gs = nullptr;
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unsigned int line_no = 0;
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hb_font_t *font = nullptr;
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hb_buffer_serialize_format_t serialize_format = HB_BUFFER_SERIALIZE_FORMAT_INVALID;
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hb_buffer_serialize_flags_t serialize_flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
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};
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#endif
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