diff options
Diffstat (limited to 'pango-view/viewer-render.c')
| -rw-r--r-- | pango-view/viewer-render.c | 97 |
1 files changed, 96 insertions, 1 deletions
diff --git a/pango-view/viewer-render.c b/pango-view/viewer-render.c index 41bac332..e078dd16 100644 --- a/pango-view/viewer-render.c +++ b/pango-view/viewer-render.c @@ -62,6 +62,11 @@ const char *opt_pangorc = NULL; const PangoViewer *opt_viewer = NULL; const char *opt_language = NULL; gboolean opt_single_par = FALSE; +PangoColor opt_fg_color = {0, 0, 0}; +guint16 opt_fg_alpha = 65535; +gboolean opt_bg_set = FALSE; +PangoColor opt_bg_color = {65535, 65535, 65535}; +guint16 opt_bg_alpha = 65535; /* Text (or markup) to render */ static char *text; @@ -365,7 +370,6 @@ parse_enum (GType type, "Argument for %s must be one of %s", name, possible_values); - ret = FALSE; } g_free (possible_values); @@ -454,6 +458,93 @@ parse_wrap (const char *name, return ret; } +static gboolean +parse_rgba_color (PangoColor *color, + guint16 *alpha, + const char *name, + const char *arg, + gpointer data G_GNUC_UNUSED, + GError **error) +{ + char *possible_values = NULL; + gboolean ret; + char buf[32]; + int len; + + len = strlen (arg); + /* handle alpha */ + if (*arg == '#' && (len == 5 || len == 9 || len == 17)) + { + int width, bits; + unsigned int a; + + bits = len - 1; + width = bits >> 2; + + strcpy (buf, arg); + arg = buf; + + if (!sscanf (buf + len - width, "%x", &a)) + { + ret = FALSE; + goto err; + } + buf[len - width] = '\0'; + + a <<= (16 - bits); + while (bits < 16) + { + a |= (a >> bits); + bits *= 2; + } + *alpha = a; + } + else + *alpha = 65535; + + ret = pango_color_parse (color, arg); + +err: + if (!ret && error) + { + g_set_error(error, + G_OPTION_ERROR, + G_OPTION_ERROR_BAD_VALUE, + "Argument for %s must be a color name like red, or CSS-style #rrggbb / #rrggbbaa", + name); + } + + return ret; +} + +static gboolean +parse_foreground (const char *name, + const char *arg, + gpointer data, + GError **error) +{ + return parse_rgba_color (&opt_fg_color, &opt_fg_alpha, + name, arg, data, error); +} + +static gboolean +parse_background (const char *name, + const char *arg, + gpointer data, + GError **error) +{ + opt_bg_set = TRUE; + + if (0 == strcmp ("transparent", arg)) + { + opt_bg_alpha = 0; + return TRUE; + } + + return parse_rgba_color (&opt_bg_color, &opt_bg_alpha, + name, arg, data, error); +} + static gchar * backends_to_string (void) { @@ -561,6 +652,8 @@ parse_options (int argc, char *argv[]) "No layout direction according to contents", NULL}, {"backend", 0, backend_flag, G_OPTION_ARG_CALLBACK, &parse_backend, backend_desc, backend_options}, + {"background", 0, 0, G_OPTION_ARG_CALLBACK, &parse_background, + "Set the background color", "red/#rrggbb/#rrggbbaa/transparent/etc"}, {"no-display", 'q', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &opt_display, "Do not display (just write to file or whatever)", NULL}, {"dpi", 0, 0, G_OPTION_ARG_INT, &opt_dpi, @@ -571,6 +664,8 @@ parse_options (int argc, char *argv[]) "Ellipsization mode", "start/middle/end"}, {"font", 0, 0, G_OPTION_ARG_STRING, &opt_font, "Set the font description", "description"}, + {"foreground", 0, 0, G_OPTION_ARG_CALLBACK, &parse_foreground, + "Set the text color", "red/#rrggbb/#rrggbbaa/etc"}, {"gravity", 0, 0, G_OPTION_ARG_CALLBACK, &parse_gravity, "Base gravity: glyph rotation", "south/east/north/west/auto"}, {"gravity-hint", 0, 0, G_OPTION_ARG_CALLBACK, &parse_gravity_hint, |