Behdad Esfahbod
4 years ago
parent
167f58a2ca
commit
cfb2d6ad9e
5 changed files with 132 additions and 99 deletions
@ -1,34 +1,35 @@ |
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HB_VIEW_sources = \
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ansi-print.hh \
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hb-view.cc \
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helper-cairo-ansi.hh \
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helper-cairo.hh \
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main-font-text.hh \
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options.cc \
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options.hh \
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main-font-text.hh \
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shape-consumer.hh \
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ansi-print.hh \
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helper-cairo.hh \
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helper-cairo-ansi.hh \
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view-cairo.hh \
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view-options.hh \
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$(NULL)
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HB_SHAPE_sources = \
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hb-shape.cc \
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main-font-text.hh \
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options.cc \
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options.hh \
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main-font-text.hh \
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shape-consumer.hh \
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$(NULL)
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HB_OT_SHAPE_CLOSURE_sources = \
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hb-ot-shape-closure.cc \
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main-font-text.hh \
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options.cc \
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options.hh \
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main-font-text.hh \
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$(NULL)
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HB_SUBSET_CLI_sources = \
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hb-subset.cc \
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main-font-text.hh \
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options.cc \
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options.hh \
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subset-options.hh \
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main-font-text.hh \
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$(NULL)
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@ -0,0 +1,123 @@ |
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/*
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* Copyright © 2011 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 VIEW_OPTIONS_HH |
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#define VIEW_OPTIONS_HH |
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#include "options.hh" |
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#define DEFAULT_MARGIN 16 |
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#define DEFAULT_FORE "#000000" |
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#define DEFAULT_BACK "#FFFFFF" |
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struct view_options_t |
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{ |
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~view_options_t () |
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{ |
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g_free (fore); |
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g_free (back); |
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} |
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void add_options (option_parser_t *parser); |
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hb_bool_t annotate = false; |
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char *fore = nullptr; |
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char *back = nullptr; |
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double line_space = 0; |
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bool have_font_extents = false; |
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struct font_extents_t { |
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double ascent, descent, line_gap; |
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} font_extents = {0., 0., 0.}; |
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struct margin_t { |
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double t, r, b, l; |
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} margin = {DEFAULT_MARGIN, DEFAULT_MARGIN, DEFAULT_MARGIN, DEFAULT_MARGIN}; |
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}; |
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static gboolean |
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parse_font_extents (const char *name G_GNUC_UNUSED, |
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const char *arg, |
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gpointer data, |
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GError **error G_GNUC_UNUSED) |
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{ |
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view_options_t *view_opts = (view_options_t *) data; |
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view_options_t::font_extents_t &e = view_opts->font_extents; |
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switch (sscanf (arg, "%lf%*[ ,]%lf%*[ ,]%lf", &e.ascent, &e.descent, &e.line_gap)) { |
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case 1: HB_FALLTHROUGH; |
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case 2: HB_FALLTHROUGH; |
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case 3: |
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view_opts->have_font_extents = true; |
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return true; |
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default: |
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g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
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"%s argument should be one to three space-separated numbers", |
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name); |
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return false; |
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} |
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} |
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static gboolean |
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parse_margin (const char *name G_GNUC_UNUSED, |
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const char *arg, |
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gpointer data, |
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GError **error G_GNUC_UNUSED) |
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{ |
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view_options_t *view_opts = (view_options_t *) data; |
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view_options_t::margin_t &m = view_opts->margin; |
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switch (sscanf (arg, "%lf%*[ ,]%lf%*[ ,]%lf%*[ ,]%lf", &m.t, &m.r, &m.b, &m.l)) { |
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case 1: m.r = m.t; HB_FALLTHROUGH; |
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case 2: m.b = m.t; HB_FALLTHROUGH; |
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case 3: m.l = m.r; HB_FALLTHROUGH; |
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case 4: return true; |
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default: |
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g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
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"%s argument should be one to four space-separated numbers", |
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name); |
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return false; |
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} |
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} |
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void |
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view_options_t::add_options (option_parser_t *parser) |
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{ |
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GOptionEntry entries[] = |
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{ |
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{"annotate", 0, 0, G_OPTION_ARG_NONE, &this->annotate, "Annotate output rendering", nullptr}, |
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{"background", 0, 0, G_OPTION_ARG_STRING, &this->back, "Set background color (default: " DEFAULT_BACK ")", "rrggbb/rrggbbaa"}, |
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{"foreground", 0, 0, G_OPTION_ARG_STRING, &this->fore, "Set foreground color (default: " DEFAULT_FORE ")", "rrggbb/rrggbbaa"}, |
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{"line-space", 0, 0, G_OPTION_ARG_DOUBLE, &this->line_space, "Set space between lines (default: 0)", "units"}, |
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{"font-extents", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_font_extents, "Set font ascent/descent/line-gap (default: auto)","one to three numbers"}, |
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{"margin", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_margin, "Margin around output (default: " G_STRINGIFY(DEFAULT_MARGIN) ")","one to four numbers"}, |
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{nullptr} |
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}; |
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parser->add_group (entries, |
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"view", |
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"View options:", |
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"Options for output rendering", |
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this); |
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} |
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#endif |
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