diff options
Diffstat (limited to 'examples/renderdemo.c')
| -rw-r--r-- | examples/renderdemo.c | 82 |
1 files changed, 61 insertions, 21 deletions
diff --git a/examples/renderdemo.c b/examples/renderdemo.c index 8eeba740..a0d3a5ea 100644 --- a/examples/renderdemo.c +++ b/examples/renderdemo.c @@ -55,6 +55,8 @@ int opt_indent = 0; int opt_runs = 1; PangoEllipsizeMode opt_ellipsize = PANGO_ELLIPSIZE_NONE; HintMode opt_hinting = HINT_DEFAULT; +PangoWrapMode opt_wrap = PANGO_WRAP_WORD_CHAR; +gboolean opt_wrap_set = FALSE; const char *opt_pangorc = NULL; /* Text (or markup) to render */ @@ -68,7 +70,7 @@ fail (const char *format, ...) va_list vap; va_start (vap, format); msg = g_strdup_vprintf (format, vap); - g_printerr ("%s: %s\n", prog_name, msg); + g_warning ("%s: %s\n", prog_name, msg); exit (1); } @@ -111,7 +113,7 @@ make_layout(PangoContext *context, if (opt_width > 0) { - pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR); + pango_layout_set_wrap (layout, opt_wrap); pango_layout_set_width (layout, (opt_width * opt_dpi * PANGO_SCALE + 32) / 72); } @@ -379,48 +381,80 @@ parse_hinting (const char *name, return ret; } + +static gboolean +parse_wrap (const char *name, + const char *arg, + gpointer data, + GError **error) +{ + static GEnumClass *class = NULL; + gboolean ret = TRUE; + GEnumValue *value; + + if (!class) + class = g_type_class_ref (PANGO_TYPE_WRAP_MODE); + + value = g_enum_get_value_by_nick (class, arg); + if (value) + { + opt_wrap = value->value; + opt_wrap_set = TRUE; + } + else + { + fail ("--wrap option must be one of word/char/word-char"); + ret = FALSE; + } + + return ret; +} + + void parse_options (int argc, char *argv[]) { GOptionEntry entries[] = { {"no-auto-dir", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &opt_auto_dir, - "No layout direction according to contents", NULL }, + "No layout direction according to contents", NULL}, {"no-display", 'q', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &opt_display, - "Do not display (just save to file or whatever)", NULL }, + "Do not display (just save to file or whatever)", NULL}, {"dpi", 0, 0, G_OPTION_ARG_INT, &opt_dpi, - "Set the resolution", NULL }, + "Set the resolution", NULL}, {"ellipsize", 0, 0, G_OPTION_ARG_CALLBACK, &parse_ellipsis, - "Ellipsization mode", "start/middle/end" }, + "Ellipsization mode", "start/middle/end" }, {"font", 0, 0, G_OPTION_ARG_STRING, &opt_font, - "Set the font description", NULL }, + "Set the font description", NULL}, {"header", 0, 0, G_OPTION_ARG_NONE, &opt_header, - "Display the options in the output", NULL }, + "Display the options in the output", NULL}, {"hinting", 0, 0, G_OPTION_ARG_CALLBACK, &parse_hinting, - "Hinting style", "none/auto/full" }, + "Hinting style", "none/auto/full" }, {"indent", 0, 0, G_OPTION_ARG_INT, &opt_indent, - "Width in points to indent paragraphs", NULL }, + "Width in points to indent paragraphs", NULL}, {"margin", 0, 0, G_OPTION_ARG_INT, &opt_margin, - "Set the margin on the output in pixels", NULL }, + "Set the margin on the output in pixels", NULL}, {"markup", 0, 0, G_OPTION_ARG_NONE, &opt_markup, - "Interpret text as Pango markup", NULL }, + "Interpret text as Pango markup", NULL}, {"output", 'o', 0,G_OPTION_ARG_STRING, &opt_output, - "Save rendered image to output file", NULL }, + "Save rendered image to output file", NULL}, {"pangorc", 0, 0, G_OPTION_ARG_STRING, &opt_pangorc, - "pangorc file to use (default is ./pangorc)", NULL }, + "pangorc file to use (default is ./pangorc)", NULL}, {"rtl", 0, 0, G_OPTION_ARG_NONE, &opt_rtl, - "Set base direction to right-to-left", NULL }, + "Set base direction to right-to-left", NULL}, {"rotate", 0, 0, G_OPTION_ARG_INT, &opt_rotate, - "Angle at which to rotate results", NULL }, + "Angle at which to rotate results", NULL}, {"runs", 'n', 0, G_OPTION_ARG_INT, &opt_runs, - "Run Pango layout engine this many times", NULL }, + "Run Pango layout engine this many times", NULL}, {"text", 't', 0, G_OPTION_ARG_STRING, &opt_text, - "Text to display (instead of a file)", NULL }, + "Text to display (instead of a file)", NULL}, {"waterfall", 0, 0, G_OPTION_ARG_NONE, &opt_waterfall, - "Create a waterfall display", NULL }, + "Create a waterfall display", NULL}, {"width", 'w', 0, G_OPTION_ARG_INT, &opt_width, - "Width in points to which to wrap output", NULL }, - {NULL } + "Width in points to which to wrap output", NULL}, + {"wrap", 0, 0, G_OPTION_ARG_CALLBACK, &parse_wrap, + "Text wrapping mode (needs a width to be set), ", "word/char/word-char"}, + {NULL} }; GError *error = NULL; GError *parse_error = NULL; @@ -454,6 +488,12 @@ parse_options (int argc, char *argv[]) exit (1); } + /* if wrap mode is set then width must be set */ + if (opt_width < 0 && opt_wrap_set) + { + g_printerr ("The wrap mode only has effect if a width is set\n"); + } + /* Get the text */ if (opt_text) |