diff --git a/util/options.cc b/util/options.cc index 6d8064b90..d2444a499 100644 --- a/util/options.cc +++ b/util/options.cc @@ -481,6 +481,25 @@ parse_font_size (const char *name G_GNUC_UNUSED, return false; } } + +static gboolean +parse_font_ppem (const char *name G_GNUC_UNUSED, + const char *arg, + gpointer data, + GError **error G_GNUC_UNUSED) +{ + font_options_t *font_opts = (font_options_t *) data; + switch (sscanf (arg, "%d%*[ ,]%d", &font_opts->x_ppem, &font_opts->y_ppem)) { + case 1: font_opts->y_ppem = font_opts->x_ppem; + case 2: return true; + default: + g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, + "%s argument should be one or two space-separated numbers", + name); + return false; + } +} + void font_options_t::add_options (option_parser_t *parser) { @@ -513,12 +532,13 @@ font_options_t::add_options (option_parser_t *parser) GOptionEntry entries[] = { - {"font-file", 0, 0, G_OPTION_ARG_STRING, &this->font_file, "Set font file-name", "filename"}, - {"face-index", 0, 0, G_OPTION_ARG_INT, &this->face_index, "Set face index (default: 0)", "index"}, + {"font-file", 0, 0, G_OPTION_ARG_STRING, &this->font_file, "Set font file-name", "filename"}, + {"face-index", 0, 0, G_OPTION_ARG_INT, &this->face_index, "Set face index (default: 0)", "index"}, {"font-size", 0, default_font_size ? 0 : G_OPTION_FLAG_HIDDEN, - G_OPTION_ARG_CALLBACK, (gpointer) &parse_font_size, font_size_text, "1/2 numbers or 'upem'"}, - /* TODO Add font-ppem / font-ptem. */ - {"font-funcs", 0, 0, G_OPTION_ARG_STRING, &this->font_funcs, text, "impl"}, + G_OPTION_ARG_CALLBACK, (gpointer) &parse_font_size, font_size_text, "1/2 integers or 'upem'"}, + {"font-ppem", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_font_ppem, "Set x,y pixels per EM (default: 0; disabled)", "1/2 integers"}, + {"font-ptem", 0, 0, G_OPTION_ARG_DOUBLE, &this->ptem, "Set font point-size (default: 0; disabled)", "point-size"}, + {"font-funcs", 0, 0, G_OPTION_ARG_STRING, &this->font_funcs, text, "impl"}, {nullptr} }; parser->add_group (entries, @@ -691,6 +711,9 @@ font_options_t::get_font (void) const if (font_size_y == FONT_SIZE_UPEM) font_size_y = hb_face_get_upem (face); + hb_font_set_ppem (font, x_ppem, y_ppem); + hb_font_set_ptem (font, ptem); + int scale_x = (int) scalbnf (font_size_x, subpixel_bits); int scale_y = (int) scalbnf (font_size_y, subpixel_bits); hb_font_set_scale (font, scale_x, scale_y); diff --git a/util/options.hh b/util/options.hh index 411165bf2..cfbbade2f 100644 --- a/util/options.hh +++ b/util/options.hh @@ -452,6 +452,9 @@ struct font_options_t : option_group_t variations = nullptr; num_variations = 0; default_font_size = default_font_size_; + x_ppem = 0; + y_ppem = 0; + ptem = .0; subpixel_bits = subpixel_bits_; font_file = nullptr; face_index = 0; @@ -478,6 +481,9 @@ struct font_options_t : option_group_t hb_variation_t *variations; unsigned int num_variations; int default_font_size; + int x_ppem; + int y_ppem; + double ptem; unsigned int subpixel_bits; mutable double font_size_x; mutable double font_size_y;