diff options
Diffstat (limited to 'pango/serializer.c')
| -rw-r--r-- | pango/serializer.c | 566 |
1 files changed, 61 insertions, 505 deletions
diff --git a/pango/serializer.c b/pango/serializer.c index 426eee87..4ba8e690 100644 --- a/pango/serializer.c +++ b/pango/serializer.c @@ -22,13 +22,10 @@ #include "config.h" #include <pango/pango-layout.h> -#include <pango/pango-layout-private.h> #include <pango/pango-context-private.h> #include <pango/pango-enum-types.h> #include <pango/pango-font-private.h> -#include <pango/pango-line-private.h> -#include <pango/pango-lines.h> -#include <pango/pango-simple-layout.h> +#include <pango/pango-layout-line-private.h> #include <pango/pango-utils-internal.h> #include <hb-ot.h> @@ -244,14 +241,14 @@ static const char *direction_names[] = { NULL }; -static const char *alignment_names[] = { - "left", - "center", - "right", +static const char *wrap_names[] = { + "word", + "char", + "word-char", NULL }; -static const char *alignment_names2[] = { +static const char *alignment_names[] = { "left", "center", "right", @@ -260,13 +257,6 @@ static const char *alignment_names2[] = { NULL }; -static const char *wrap_names[] = { - "word", - "char", - "word-char", - NULL -}; - static const char *ellipsize_names[] = { "none", "start", @@ -647,7 +637,7 @@ add_font (GtkJsonPrinter *printer, static void add_run (GtkJsonPrinter *printer, const char *text, - PangoLayoutRun *run) + PangoGlyphItem *run) { char *str; @@ -719,136 +709,10 @@ add_run (GtkJsonPrinter *printer, #undef ANALYSIS_FLAGS static void -add_line (GtkJsonPrinter *printer, - PangoLayoutLine *line) -{ - gtk_json_printer_start_object (printer, NULL); - - gtk_json_printer_add_integer (printer, "start-index", line->start_index); - gtk_json_printer_add_integer (printer, "length", line->length); - gtk_json_printer_add_boolean (printer, "paragraph-start", line->is_paragraph_start); - gtk_json_printer_add_string (printer, "direction", direction_names[line->resolved_dir]); - - gtk_json_printer_start_array (printer, "runs"); - for (GSList *l = line->runs; l; l = l->next) - { - PangoLayoutRun *run = l->data; - add_run (printer, line->layout->text, run); - } - gtk_json_printer_end (printer); - - gtk_json_printer_end (printer); -} - -static void -add_output (GtkJsonPrinter *printer, - PangoLayout *layout) -{ - int width, height; - const PangoLogAttr *log_attrs; - int n_attrs; - - gtk_json_printer_start_object (printer, "output"); - - gtk_json_printer_add_boolean (printer, "is-wrapped", pango_layout_is_wrapped (layout)); - gtk_json_printer_add_boolean (printer, "is-ellipsized", pango_layout_is_ellipsized (layout)); - gtk_json_printer_add_integer (printer, "unknown-glyphs", pango_layout_get_unknown_glyphs_count (layout)); - - pango_layout_get_size (layout, &width, &height); - gtk_json_printer_add_integer (printer, "width", width); - gtk_json_printer_add_integer (printer, "height", height); - - log_attrs = pango_layout_get_log_attrs_readonly (layout, &n_attrs); - add_log_attrs (printer, log_attrs, n_attrs); - - gtk_json_printer_start_array (printer, "lines"); - for (GSList *l = layout->lines; l; l = l->next) - { - PangoLayoutLine *line = l->data; - - add_line (printer, line); - } - gtk_json_printer_end (printer); - - gtk_json_printer_end (printer); -} - -static void -layout_to_json (GtkJsonPrinter *printer, - PangoLayout *layout, - PangoLayoutSerializeFlags flags) -{ - const char *str; - - gtk_json_printer_start_object (printer, NULL); - - if (flags & PANGO_LAYOUT_SERIALIZE_CONTEXT) - add_context (printer, layout->context); - - str = (const char *) g_object_get_data (G_OBJECT (layout), "comment"); - if (str) - gtk_json_printer_add_string (printer, "comment", str); - - gtk_json_printer_add_string (printer, "text", layout->text); - - add_attr_list (printer, layout->attrs); - - if (layout->font_desc) - { - char *str = pango_font_description_to_string (layout->font_desc); - gtk_json_printer_add_string (printer, "font", str); - g_free (str); - } - - add_tab_array (printer, layout->tabs); - - if (layout->justify) - gtk_json_printer_add_boolean (printer, "justify", TRUE); - - if (layout->justify_last_line) - gtk_json_printer_add_boolean (printer, "justify-last-line", TRUE); - - if (layout->single_paragraph) - gtk_json_printer_add_boolean (printer, "single-paragraph", TRUE); - - if (!layout->auto_dir) - gtk_json_printer_add_boolean (printer, "auto-dir", FALSE); - - if (layout->alignment != PANGO_ALIGN_LEFT) - gtk_json_printer_add_string (printer, "alignment", alignment_names[layout->alignment]); - - if (layout->wrap != PANGO_WRAP_WORD) - gtk_json_printer_add_string (printer, "wrap", wrap_names[layout->wrap]); - - if (layout->ellipsize != PANGO_ELLIPSIZE_NONE) - gtk_json_printer_add_string (printer, "ellipsize", ellipsize_names[layout->ellipsize]); - - if (layout->width != -1) - gtk_json_printer_add_integer (printer, "width", layout->width); - - if (layout->height != -1) - gtk_json_printer_add_integer (printer, "height", layout->height); - - if (layout->indent != 0) - gtk_json_printer_add_integer (printer, "indent", layout->indent); - - if (layout->spacing != 0) - gtk_json_printer_add_integer (printer, "spacing", layout->spacing); - - if (layout->line_spacing != 0.) - gtk_json_printer_add_number (printer, "line-spacing", layout->line_spacing); - - if (flags & PANGO_LAYOUT_SERIALIZE_OUTPUT) - add_output (printer, layout); - - gtk_json_printer_end (printer); -} - -static void -line_to_json (GtkJsonPrinter *printer, - PangoLine *line, - int x, - int y) +line_to_json (GtkJsonPrinter *printer, + PangoLayoutLine *line, + int x, + int y) { gtk_json_printer_start_object (printer, NULL); @@ -875,7 +739,7 @@ line_to_json (GtkJsonPrinter *printer, gtk_json_printer_start_array (printer, "runs"); for (GSList *l = line->runs; l; l = l->next) { - PangoLayoutRun *run = l->data; + PangoGlyphItem *run = l->data; add_run (printer, line->data->text, run); } gtk_json_printer_end (printer); @@ -893,6 +757,10 @@ lines_to_json (GtkJsonPrinter *printer, gtk_json_printer_start_object (printer, "output"); + gtk_json_printer_add_boolean (printer, "wrapped", pango_lines_wrapped (lines)); + gtk_json_printer_add_boolean (printer, "ellipsized", pango_lines_ellipsized (lines)); + gtk_json_printer_add_boolean (printer, "hypenated", pango_lines_hyphenated (lines)); + gtk_json_printer_add_integer (printer, "unknown-glyphs", pango_lines_get_unknown_glyphs_count (lines)); pango_lines_get_size (lines, &width, &height); gtk_json_printer_add_integer (printer, "width", width); gtk_json_printer_add_integer (printer, "height", height); @@ -901,7 +769,7 @@ lines_to_json (GtkJsonPrinter *printer, for (int i = 0; i < pango_lines_get_line_count (lines); i++) { - PangoLine *line; + PangoLayoutLine *line; int x, y; line = pango_lines_get_line (lines, i, &x, &y); line_to_json (printer, line, x, y); @@ -913,68 +781,67 @@ lines_to_json (GtkJsonPrinter *printer, } static void -simple_layout_to_json (GtkJsonPrinter *printer, - PangoSimpleLayout *layout, - PangoSimpleLayoutSerializeFlags flags) +layout_to_json (GtkJsonPrinter *printer, + PangoLayout *layout, + PangoLayoutSerializeFlags flags) { const char *str; gtk_json_printer_start_object (printer, NULL); - if (flags & PANGO_SIMPLE_LAYOUT_SERIALIZE_CONTEXT) - add_context (printer, pango_simple_layout_get_context (layout)); + if (flags & PANGO_LAYOUT_SERIALIZE_CONTEXT) + add_context (printer, pango_layout_get_context (layout)); str = (const char *) g_object_get_data (G_OBJECT (layout), "comment"); if (str) gtk_json_printer_add_string (printer, "comment", str); - gtk_json_printer_add_string (printer, "text", pango_simple_layout_get_text (layout)); + gtk_json_printer_add_string (printer, "text", pango_layout_get_text (layout)); - add_attr_list (printer, pango_simple_layout_get_attributes (layout)); + add_attr_list (printer, pango_layout_get_attributes (layout)); - if (pango_simple_layout_get_font_description (layout)) + if (pango_layout_get_font_description (layout)) { - char *str = pango_font_description_to_string (pango_simple_layout_get_font_description (layout)); + char *str = pango_font_description_to_string (pango_layout_get_font_description (layout)); gtk_json_printer_add_string (printer, "font", str); g_free (str); } - if (pango_simple_layout_get_tabs (layout)) - add_tab_array (printer, pango_simple_layout_get_tabs (layout)); + add_tab_array (printer, pango_layout_get_tabs (layout)); - if (!pango_simple_layout_get_auto_dir (layout)) + if (!pango_layout_get_auto_dir (layout)) gtk_json_printer_add_boolean (printer, "auto-dir", FALSE); - if (pango_simple_layout_get_alignment (layout) != PANGO_ALIGNMENT_LEFT) - gtk_json_printer_add_string (printer, "alignment", alignment_names2[pango_simple_layout_get_alignment (layout)]); + if (pango_layout_get_alignment (layout) != PANGO_ALIGN_LEFT) + gtk_json_printer_add_string (printer, "alignment", alignment_names[pango_layout_get_alignment (layout)]); - if (pango_simple_layout_get_wrap (layout) != PANGO_WRAP_WORD) - gtk_json_printer_add_string (printer, "wrap", wrap_names[pango_simple_layout_get_wrap (layout)]); + if (pango_layout_get_wrap (layout) != PANGO_WRAP_WORD) + gtk_json_printer_add_string (printer, "wrap", wrap_names[pango_layout_get_wrap (layout)]); - if (pango_simple_layout_get_ellipsize (layout) != PANGO_ELLIPSIZE_NONE) - gtk_json_printer_add_string (printer, "ellipsize", ellipsize_names[pango_simple_layout_get_ellipsize (layout)]); + if (pango_layout_get_ellipsize (layout) != PANGO_ELLIPSIZE_NONE) + gtk_json_printer_add_string (printer, "ellipsize", ellipsize_names[pango_layout_get_ellipsize (layout)]); - if (pango_simple_layout_get_width (layout) != -1) - gtk_json_printer_add_integer (printer, "width", pango_simple_layout_get_width (layout)); + if (pango_layout_get_width (layout) != -1) + gtk_json_printer_add_integer (printer, "width", pango_layout_get_width (layout)); - if (pango_simple_layout_get_height (layout) != -1) - gtk_json_printer_add_integer (printer, "height", pango_simple_layout_get_height (layout)); + if (pango_layout_get_height (layout) != -1) + gtk_json_printer_add_integer (printer, "height", pango_layout_get_height (layout)); - if (pango_simple_layout_get_indent (layout) != 0) - gtk_json_printer_add_integer (printer, "indent", pango_simple_layout_get_indent (layout)); + if (pango_layout_get_indent (layout) != 0) + gtk_json_printer_add_integer (printer, "indent", pango_layout_get_indent (layout)); - if (pango_simple_layout_get_line_spacing (layout) != 0.) - gtk_json_printer_add_number (printer, "line-spacing", pango_simple_layout_get_line_spacing (layout)); + if (pango_layout_get_line_spacing (layout) != 0.) + gtk_json_printer_add_number (printer, "line-spacing", pango_layout_get_line_spacing (layout)); if (flags & PANGO_LAYOUT_SERIALIZE_OUTPUT) { const PangoLogAttr *log_attrs; int n_attrs; - log_attrs = pango_simple_layout_get_log_attrs (layout, &n_attrs); + log_attrs = pango_layout_get_log_attrs (layout, &n_attrs); add_log_attrs (printer, log_attrs, n_attrs); - lines_to_json (printer, pango_simple_layout_get_lines (layout)); + lines_to_json (printer, pango_layout_get_lines (layout)); } gtk_json_printer_end (printer); @@ -1527,9 +1394,6 @@ enum { LAYOUT_ATTRIBUTES, LAYOUT_FONT, LAYOUT_TABS, - LAYOUT_JUSTIFY, - LAYOUT_JUSTIFY_LAST_LINE, - LAYOUT_SINGLE_PARAGRAPH, LAYOUT_AUTO_DIR, LAYOUT_ALIGNMENT, LAYOUT_WRAP, @@ -1537,9 +1401,8 @@ enum { LAYOUT_WIDTH, LAYOUT_HEIGHT, LAYOUT_INDENT, - LAYOUT_SPACING, LAYOUT_LINE_SPACING, - LAYOUT_OUTPUT + LAYOUT_LINES }; static const char *layout_members[] = { @@ -1549,9 +1412,6 @@ static const char *layout_members[] = { "attributes", "font", "tabs", - "justify", - "justify-last-line", - "single-paragraph", "auto-dir", "alignment", "wrap", @@ -1559,9 +1419,8 @@ static const char *layout_members[] = { "width", "height", "indent", - "spacing", "line-spacing", - "output", + "lines", NULL }; @@ -1611,6 +1470,14 @@ json_parser_fill_layout (GtkJsonParser *parser, } break; + case LAYOUT_AUTO_DIR: + pango_layout_set_auto_dir (layout, gtk_json_parser_get_boolean (parser)); + break; + + case LAYOUT_LINE_SPACING: + pango_layout_set_line_spacing (layout, gtk_json_parser_get_number (parser)); + break; + case LAYOUT_TABS: { PangoTabArray *tabs = pango_tab_array_new (0, FALSE); @@ -1620,22 +1487,6 @@ json_parser_fill_layout (GtkJsonParser *parser, } break; - case LAYOUT_JUSTIFY: - pango_layout_set_justify (layout, gtk_json_parser_get_boolean (parser)); - break; - - case LAYOUT_JUSTIFY_LAST_LINE: - pango_layout_set_justify_last_line (layout, gtk_json_parser_get_boolean (parser)); - break; - - case LAYOUT_SINGLE_PARAGRAPH: - pango_layout_set_single_paragraph_mode (layout, gtk_json_parser_get_boolean (parser)); - break; - - case LAYOUT_AUTO_DIR: - pango_layout_set_auto_dir (layout, gtk_json_parser_get_boolean (parser)); - break; - case LAYOUT_ALIGNMENT: pango_layout_set_alignment (layout, (PangoAlignment) parser_select_string (parser, alignment_names)); break; @@ -1660,151 +1511,7 @@ json_parser_fill_layout (GtkJsonParser *parser, pango_layout_set_indent (layout, (int) gtk_json_parser_get_number (parser)); break; - case LAYOUT_SPACING: - pango_layout_set_spacing (layout, (int) gtk_json_parser_get_number (parser)); - break; - - case LAYOUT_LINE_SPACING: - pango_layout_set_line_spacing (layout, gtk_json_parser_get_number (parser)); - break; - - case LAYOUT_OUTPUT: - break; - - default: - break; - } - } - while (gtk_json_parser_next (parser)); - - gtk_json_parser_end (parser); -} - -enum { - SIMPLE_LAYOUT_CONTEXT, - SIMPLE_LAYOUT_COMMENT, - SIMPLE_LAYOUT_TEXT, - SIMPLE_LAYOUT_ATTRIBUTES, - SIMPLE_LAYOUT_FONT, - SIMPLE_LAYOUT_TABS, - SIMPLE_LAYOUT_AUTO_DIR, - SIMPLE_LAYOUT_ALIGNMENT, - SIMPLE_LAYOUT_WRAP, - SIMPLE_LAYOUT_ELLIPSIZE, - SIMPLE_LAYOUT_WIDTH, - SIMPLE_LAYOUT_HEIGHT, - SIMPLE_LAYOUT_INDENT, - SIMPLE_LAYOUT_LINE_SPACING, - SIMPLE_LAYOUT_LINES -}; - -static const char *simple_layout_members[] = { - "context", - "comment", - "text", - "attributes", - "font", - "tabs", - "auto-dir", - "alignment", - "wrap", - "ellipsize", - "width", - "height", - "indent", - "line-spacing", - "lines", - NULL -}; - -static void -json_parser_fill_simple_layout (GtkJsonParser *parser, - PangoSimpleLayout *layout, - PangoSimpleLayoutDeserializeFlags flags) -{ - gtk_json_parser_start_object (parser); - - do - { - char *str; - - switch (gtk_json_parser_select_member (parser, simple_layout_members)) - { - case SIMPLE_LAYOUT_CONTEXT: - if (flags & PANGO_LAYOUT_DESERIALIZE_CONTEXT) - json_parser_fill_context (parser, pango_simple_layout_get_context (layout)); - break; - - case SIMPLE_LAYOUT_COMMENT: - str = gtk_json_parser_get_string (parser); - g_object_set_data_full (G_OBJECT (layout), "comment", str, g_free); - break; - - case SIMPLE_LAYOUT_TEXT: - str = gtk_json_parser_get_string (parser); - pango_simple_layout_set_text (layout, str, -1); - g_free (str); - break; - - case SIMPLE_LAYOUT_ATTRIBUTES: - { - PangoAttrList *attributes = pango_attr_list_new (); - json_parser_fill_attr_list (parser, attributes); - pango_simple_layout_set_attributes (layout, attributes); - pango_attr_list_unref (attributes); - } - break; - - case SIMPLE_LAYOUT_FONT: - { - PangoFontDescription *desc = parser_get_font_description (parser);; - pango_simple_layout_set_font_description (layout, desc); - pango_font_description_free (desc); - } - break; - - case SIMPLE_LAYOUT_AUTO_DIR: - pango_simple_layout_set_auto_dir (layout, gtk_json_parser_get_boolean (parser)); - break; - - case SIMPLE_LAYOUT_LINE_SPACING: - pango_simple_layout_set_line_spacing (layout, gtk_json_parser_get_number (parser)); - break; - - case SIMPLE_LAYOUT_TABS: - { - PangoTabArray *tabs = pango_tab_array_new (0, FALSE); - json_parser_fill_tab_array (parser, tabs); - pango_simple_layout_set_tabs (layout, tabs); - pango_tab_array_free (tabs); - } - break; - - case SIMPLE_LAYOUT_ALIGNMENT: - pango_simple_layout_set_alignment (layout, (PangoAlignment) parser_select_string (parser, alignment_names2)); - break; - - case SIMPLE_LAYOUT_WRAP: - pango_simple_layout_set_wrap (layout, (PangoWrapMode) parser_select_string (parser, wrap_names)); - break; - - case SIMPLE_LAYOUT_ELLIPSIZE: - pango_simple_layout_set_ellipsize (layout, (PangoEllipsizeMode) parser_select_string (parser, ellipsize_names)); - break; - - case SIMPLE_LAYOUT_WIDTH: - pango_simple_layout_set_width (layout, (int) gtk_json_parser_get_number (parser)); - break; - - case SIMPLE_LAYOUT_HEIGHT: - pango_simple_layout_set_height (layout, (int) gtk_json_parser_get_number (parser)); - break; - - case SIMPLE_LAYOUT_INDENT: - pango_simple_layout_set_indent (layout, (int) gtk_json_parser_get_number (parser)); - break; - - case SIMPLE_LAYOUT_LINES: + case LAYOUT_LINES: break; default: @@ -1879,8 +1586,6 @@ json_parser_load_font (GtkJsonParser *parser, * The format is not meant as a permanent storage format. * * Returns: a `GBytes` containing the serialized form of @layout - * - * Since: 1.50 */ GBytes * pango_layout_serialize (PangoLayout *layout, @@ -1911,9 +1616,6 @@ pango_layout_serialize (PangoLayout *layout, /** * pango_layout_write_to_file: * @layout: a `PangoLayout` - * @flags: `PangoLayoutSerializeFlags` - * @filename: (type filename): the file to save it to - * @error: Return location for a potential error * * A convenience method to serialize a layout to a file. * @@ -1926,27 +1628,24 @@ pango_layout_serialize (PangoLayout *layout, * a layout to a file for later inspection. * * Returns: %TRUE if saving was successful - * - * Since: 1.50 */ gboolean -pango_layout_write_to_file (PangoLayout *layout, - PangoLayoutSerializeFlags flags, - const char *filename, - GError **error) +pango_layout_write_to_file (PangoLayout *layout, + const char *filename) { GBytes *bytes; gboolean result; g_return_val_if_fail (PANGO_IS_LAYOUT (layout), FALSE); g_return_val_if_fail (filename != NULL, FALSE); - g_return_val_if_fail (error == NULL || *error == NULL, FALSE); - bytes = pango_layout_serialize (layout, flags); + bytes = pango_layout_serialize (layout, PANGO_LAYOUT_SERIALIZE_CONTEXT | + PANGO_LAYOUT_SERIALIZE_OUTPUT); + result = g_file_set_contents (filename, g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes), - error); + NULL); g_bytes_unref (bytes); return result; @@ -1968,8 +1667,6 @@ pango_layout_write_to_file (PangoLayout *layout, * result of serializing the layout again. * * Returns: (nullable) (transfer full): a new `PangoLayout` - * - * Since: 1.50 */ PangoLayout * pango_layout_deserialize (PangoContext *context, @@ -2091,147 +1788,6 @@ pango_font_deserialize (PangoContext *context, return font; } -/** - * pango_simple_layout_serialize: - * @layout: a `PangoSimpleLayout` - * @flags: `PangoSipleLayoutSerializeFlags` - * - * Serializes the @layout for later deserialization via [func@Pango.SimpleLayout.deserialize]. - * - * There are no guarantees about the format of the output across different - * versions of Pango and [func@Pango.SimpleLayout.deserialize] will reject data - * that it cannot parse. - * - * The intended use of this function is testing, benchmarking and debugging. - * The format is not meant as a permanent storage format. - * - * Returns: a `GBytes` containing the serialized form of @layout - */ -GBytes * -pango_simple_layout_serialize (PangoSimpleLayout *layout, - PangoSimpleLayoutSerializeFlags flags) -{ - GString *str; - GtkJsonPrinter *printer; - char *data; - gsize size; - - g_return_val_if_fail (PANGO_IS_SIMPLE_LAYOUT (layout), NULL); - - str = g_string_new (""); - - printer = gtk_json_printer_new (gstring_write, str, NULL); - gtk_json_printer_set_flags (printer, GTK_JSON_PRINTER_PRETTY); - simple_layout_to_json (printer, layout, flags); - gtk_json_printer_free (printer); - - g_string_append_c (str, '\n'); - - size = str->len; - data = g_string_free (str, FALSE); - - return g_bytes_new_take (data, size); -} - -/** - * pango_simple_layout_write_to_file: - * @layout: a `PangoLayout` - * - * A convenience method to serialize a layout to a file. - * - * It is equivalent to calling [method@Pango.SimpleLayout.serialize] - * followed by [func@GLib.file_set_contents]. - * - * See those two functions for details on the arguments. - * - * It is mostly intended for use inside a debugger to quickly dump - * a layout to a file for later inspection. - * - * Returns: %TRUE if saving was successful - */ -gboolean -pango_simple_layout_write_to_file (PangoSimpleLayout *layout, - const char *filename) -{ - GBytes *bytes; - gboolean result; - - g_return_val_if_fail (PANGO_IS_SIMPLE_LAYOUT (layout), FALSE); - g_return_val_if_fail (filename != NULL, FALSE); - - bytes = pango_simple_layout_serialize (layout, PANGO_SIMPLE_LAYOUT_SERIALIZE_CONTEXT | - PANGO_SIMPLE_LAYOUT_SERIALIZE_OUTPUT); - - result = g_file_set_contents (filename, - g_bytes_get_data (bytes, NULL), - g_bytes_get_size (bytes), - NULL); - g_bytes_unref (bytes); - - return result; -} - -/** - * pango_simple_layout_deserialize: - * @context: a `PangoContext` - * @flags: `PangoSimpleLayoutDeserializeFlags` - * @bytes: the bytes containing the data - * @error: return location for an error - * - * Loads data previously created via [method@Pango.SimpleLayout.serialize]. - * - * For a discussion of the supported format, see that function. - * - * Note: to verify that the returned layout is identical to - * the one that was serialized, you can compare @bytes to the - * result of serializing the layout again. - * - * Returns: (nullable) (transfer full): a new `PangoSimpleLayout` - */ -PangoSimpleLayout * -pango_simple_layout_deserialize (PangoContext *context, - GBytes *bytes, - PangoSimpleLayoutDeserializeFlags flags, - GError **error) -{ - PangoSimpleLayout *layout; - GtkJsonParser *parser; - const GError *parser_error; - - g_return_val_if_fail (PANGO_IS_CONTEXT (context), NULL); - - layout = pango_simple_layout_new (context); - - parser = gtk_json_parser_new_for_bytes (bytes); - json_parser_fill_simple_layout (parser, layout, flags); - - parser_error = gtk_json_parser_get_error (parser); - - if (parser_error) - { - gsize start, end; - int code; - - gtk_json_parser_get_error_offset (parser, &start, &end); - - if (g_error_matches (parser_error, GTK_JSON_ERROR, GTK_JSON_ERROR_VALUE)) - code = PANGO_LAYOUT_DESERIALIZE_INVALID_VALUE; - else if (g_error_matches (parser_error, GTK_JSON_ERROR, GTK_JSON_ERROR_SCHEMA)) - code = PANGO_LAYOUT_DESERIALIZE_MISSING_VALUE; - else - code = PANGO_LAYOUT_DESERIALIZE_INVALID; - - g_set_error (error, PANGO_LAYOUT_DESERIALIZE_ERROR, code, - "%ld:%ld: %s", start, end, parser_error->message); - - g_clear_object (&layout); - } - - gtk_json_parser_free (parser); - - return layout; -} - /* }}} */ /* vim:set foldmethod=marker expandtab: */ |