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[util] Use inheritance for output_options_t

This commit is contained in:
Behdad Esfahbod 2021-08-07 12:29:52 -06:00
parent 9db0fd4821
commit af9d2495dc
3 changed files with 29 additions and 33 deletions
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41
util/hb-shape.cc
View File

@ -32,38 +32,38 @@
const unsigned DEFAULT_FONT_SIZE = FONT_SIZE_UPEM;
const unsigned SUBPIXEL_BITS = 0;
struct output_buffer_t
struct output_buffer_t : output_options_t
{
void add_options (option_parser_t *parser)
{
options.add_options (parser, hb_buffer_serialize_list_formats ());
output_options_t::add_options (parser, hb_buffer_serialize_list_formats ());
format.add_options (parser);
}
void init (hb_buffer_t *buffer, const font_options_t *font_opts)
{
options.get_file_handle ();
get_file_handle ();
gs = g_string_new (nullptr);
line_no = 0;
font = hb_font_reference (font_opts->get_font ());
if (!options.output_format)
output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
if (!output_format)
serialize_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
else
output_format = hb_buffer_serialize_format_from_string (options.output_format, -1);
serialize_format = hb_buffer_serialize_format_from_string (output_format, -1);
/* An empty "output_format" parameter basically skips output generating.
* Useful for benchmarking. */
if ((!options.output_format || *options.output_format) &&
!hb_buffer_serialize_format_to_string (output_format))
if ((!output_format || *output_format) &&
!hb_buffer_serialize_format_to_string (serialize_format))
{
if (options.explicit_output_format)
if (explicit_output_format)
fail (false, "Unknown output format `%s'; supported formats are: %s",
options.output_format,
output_format,
g_strjoinv ("/", const_cast<char**> (hb_buffer_serialize_list_formats ())));
else
/* Just default to TEXT if not explicitly requested and the
* file extension is not recognized. */
output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
serialize_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
}
unsigned int flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
@ -79,7 +79,7 @@ struct output_buffer_t
flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
if (format.show_flags)
flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS;
format_flags = (hb_buffer_serialize_flags_t) flags;
serialize_flags = (hb_buffer_serialize_flags_t) flags;
if (format.trace)
hb_buffer_set_message_func (buffer, message_func, this, nullptr);
@ -92,13 +92,13 @@ struct output_buffer_t
{
g_string_set_size (gs, 0);
format.serialize_buffer_of_text (buffer, line_no, text, text_len, font, gs);
fprintf (options.fp, "%s", gs->str);
fprintf (fp, "%s", gs->str);
}
void error (const char *message)
{
g_string_set_size (gs, 0);
format.serialize_message (line_no, "error", message, gs);
fprintf (options.fp, "%s", gs->str);
fprintf (fp, "%s", gs->str);
}
void consume_glyphs (hb_buffer_t *buffer,
const char *text,
@ -107,8 +107,8 @@ struct output_buffer_t
{
g_string_set_size (gs, 0);
format.serialize_buffer_of_glyphs (buffer, line_no, text, text_len, font,
output_format, format_flags, gs);
fprintf (options.fp, "%s", gs->str);
serialize_format, serialize_flags, gs);
fprintf (fp, "%s", gs->str);
}
void finish (hb_buffer_t *buffer, const font_options_t *font_opts)
{
@ -138,22 +138,21 @@ struct output_buffer_t
g_string_set_size (gs, 0);
format.serialize_line_no (line_no, gs);
g_string_append_printf (gs, "trace: %s buffer: ", message);
format.serialize (buffer, font, output_format, format_flags, gs);
format.serialize (buffer, font, serialize_format, serialize_flags, gs);
g_string_append_c (gs, '\n');
fprintf (options.fp, "%s", gs->str);
fprintf (fp, "%s", gs->str);
}
protected:
output_options_t options;
shape_format_options_t format;
GString *gs = nullptr;
unsigned int line_no = 0;
hb_font_t *font = nullptr;
hb_buffer_serialize_format_t output_format = HB_BUFFER_SERIALIZE_FORMAT_INVALID;
hb_buffer_serialize_flags_t format_flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
hb_buffer_serialize_format_t serialize_format = HB_BUFFER_SERIALIZE_FORMAT_INVALID;
hb_buffer_serialize_flags_t serialize_flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
};
int

9
util/hb-subset.cc
View File

@ -36,12 +36,12 @@
*/
struct subset_consumer_t : subset_options_t
struct subset_consumer_t : subset_options_t, output_options_t
{
void add_options (option_parser_t *parser)
{
subset_options_t::add_options (parser);
output_options.add_options (parser);
output_options_t::add_options (parser);
}
void init (const face_options_t *face_opts)
@ -110,7 +110,7 @@ struct subset_consumer_t : subset_options_t
if (!failed)
{
hb_blob_t *result = hb_face_reference_blob (new_face);
write_file (output_options.output_file, result);
write_file (output_file, result);
hb_blob_destroy (result);
}
@ -122,9 +122,6 @@ struct subset_consumer_t : subset_options_t
public:
bool failed = false;
private:
output_options_t output_options;
hb_face_t *face = nullptr;
hb_subset_input_t *input = nullptr;
};

12
util/view-cairo.hh
View File

@ -30,7 +30,7 @@
#include "view-options.hh"
#include "helper-cairo.hh"
struct view_cairo_t : view_options_t
struct view_cairo_t : view_options_t, output_options_t
{
~view_cairo_t ()
{
@ -39,8 +39,8 @@ struct view_cairo_t : view_options_t
void add_options (option_parser_t *parser)
{
view_options_t::add_options (parser);
output_options.add_options (parser, helper_cairo_supported_formats);
view_options_t::add_options (parser);
output_options_t::add_options (parser, helper_cairo_supported_formats);
}
void init (hb_buffer_t *buffer, const font_options_t *font_opts)
@ -84,8 +84,6 @@ struct view_cairo_t : view_options_t
void render (const font_options_t *font_opts);
output_options_t output_options;
hb_direction_t direction = HB_DIRECTION_INVALID; // Remove this, make segment_properties accessible
GArray *lines = nullptr;
int scale_bits = 0;
@ -142,7 +140,9 @@ view_cairo_t::render (const font_options_t *font_opts)
/* Create surface. */
cairo_t *cr = helper_cairo_create_context (w + margin.l + margin.r,
h + margin.t + margin.b,
static_cast<view_options_t *> (this), &output_options, content);
static_cast<view_options_t *> (this),
static_cast<output_options_t *> (this),
content);
cairo_set_scaled_font (cr, scaled_font);
/* Setup coordinate system. */