mirror of https://github.com/GNOME/gimp.git
plug-ins: port gradient-map
This commit is contained in:
parent
73298481f1
commit
e095af2ee4
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@ -1211,8 +1211,6 @@ film_LDADD = \
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$(INTLLIBS) \
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$(film_RC)
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gradient_map_CPPFLAGS = $(AM_CPPFLAGS) -DGIMP_DEPRECATED_REPLACE_NEW_API
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gradient_map_SOURCES = \
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gradient-map.c
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@ -39,166 +39,209 @@ typedef enum
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PALETTE_MODE
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} MapMode;
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static void query (void);
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static void run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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static void map (GeglBuffer *buffer,
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GeglBuffer *shadow_buffer,
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gint32 drawable_id,
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MapMode mode);
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static gdouble * get_samples_gradient (gint32 drawable_id);
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static gdouble * get_samples_palette (gint32 drawable_id);
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typedef struct _Map Map;
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typedef struct _MapClass MapClass;
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const GimpPlugInInfo PLUG_IN_INFO =
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struct _Map
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{
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NULL, /* init_proc */
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NULL, /* quit_proc */
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query, /* query_proc */
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run, /* run_proc */
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GimpPlugIn parent_instance;
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};
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MAIN ()
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struct _MapClass
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{
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GimpPlugInClass parent_class;
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};
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#define MAP_TYPE (map_get_type ())
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#define MAP (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MAP_TYPE, Map))
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GType map_get_type (void) G_GNUC_CONST;
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static GList * map_query_procedures (GimpPlugIn *plug_in);
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static GimpProcedure * map_create_procedure (GimpPlugIn *plug_in,
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const gchar *name);
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static GimpValueArray * map_run (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GimpImage *image,
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GimpDrawable *drawable,
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const GimpValueArray *args,
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gpointer run_data);
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static void map (GeglBuffer *buffer,
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GeglBuffer *shadow_buffer,
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GimpDrawable *drawable,
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MapMode mode);
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static gdouble * get_samples_gradient (GimpDrawable *drawable);
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static gdouble * get_samples_palette (GimpDrawable *drawable);
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G_DEFINE_TYPE (Map, map, GIMP_TYPE_PLUG_IN)
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GIMP_MAIN (MAP_TYPE)
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static void
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query (void)
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map_class_init (MapClass *klass)
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{
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static const GimpParamDef args[]=
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{
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{ GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" },
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{ GIMP_PDB_IMAGE, "image", "Input image (unused)" },
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{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable" }
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};
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GimpPlugInClass *plug_in_class = GIMP_PLUG_IN_CLASS (klass);
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gimp_install_procedure (GRADMAP_PROC,
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N_("Recolor the image using colors from the active gradient"),
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"This plug-in maps the contents of the specified "
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"drawable with active gradient. It calculates "
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"luminosity of each pixel and replaces the pixel "
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"by the sample of active gradient at the position "
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"proportional to that luminosity. Complete black "
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"pixel becomes the leftmost color of the gradient, "
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"and complete white becomes the rightmost. Works on "
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"both Grayscale and RGB image with/without alpha "
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"channel.",
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"Eiichi Takamori",
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"Eiichi Takamori",
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"1997",
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N_("_Gradient Map"),
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"RGB*, GRAY*",
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GIMP_PLUGIN,
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G_N_ELEMENTS (args), 0,
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args, NULL);
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gimp_plugin_menu_register (GRADMAP_PROC, "<Image>/Colors/Map");
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gimp_install_procedure (PALETTEMAP_PROC,
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N_("Recolor the image using colors from the active palette"),
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"This plug-in maps the contents of the specified "
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"drawable with the active palette. It calculates "
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"luminosity of each pixel and replaces the pixel "
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"by the palette sample at the corresponding "
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"index. A complete black "
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"pixel becomes the lowest palette entry, "
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"and complete white becomes the highest. Works on "
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"both Grayscale and RGB image with/without alpha "
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"channel.",
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"Bill Skaggs",
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"Bill Skaggs",
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"2004",
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N_("_Palette Map"),
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"RGB*, GRAY*",
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GIMP_PLUGIN,
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G_N_ELEMENTS (args), 0,
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args, NULL);
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gimp_plugin_menu_register (PALETTEMAP_PROC, "<Image>/Colors/Map");
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plug_in_class->query_procedures = map_query_procedures;
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plug_in_class->create_procedure = map_create_procedure;
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}
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static void
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run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals)
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map_init (Map *map)
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{
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static GimpParam values[1];
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GimpPDBStatusType status = GIMP_PDB_SUCCESS;
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GimpRunMode run_mode;
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gint32 drawable_id;
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GeglBuffer *shadow_buffer;
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GeglBuffer *buffer;
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}
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run_mode = param[0].data.d_int32;
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drawable_id = param[2].data.d_drawable;
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static GList *
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map_query_procedures (GimpPlugIn *plug_in)
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{
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GList *list = NULL;
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list = g_list_append (list, g_strdup (GRADMAP_PROC));
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list = g_list_append (list, g_strdup (PALETTEMAP_PROC));
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return list;
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}
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static GimpProcedure *
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map_create_procedure (GimpPlugIn *plug_in,
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const gchar *name)
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{
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GimpProcedure *procedure = NULL;
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if (! strcmp (name, GRADMAP_PROC))
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{
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procedure = gimp_image_procedure_new (plug_in, name, GIMP_PLUGIN,
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map_run,
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GINT_TO_POINTER (GRADIENT_MODE),
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NULL);
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gimp_procedure_set_image_types (procedure, "RGB*, GRAY*");
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gimp_procedure_set_menu_label (procedure, N_("_Gradient Map"));
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gimp_procedure_add_menu_path (procedure, "<Image>/Colors/Map");
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gimp_procedure_set_documentation (procedure,
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N_("Recolor the image using colors "
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"from the active gradient"),
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"This plug-in maps the contents of "
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"the specified drawable with active "
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"gradient. It calculates luminosity "
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"of each pixel and replaces the pixel "
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"by the sample of active gradient at "
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"the position proportional to that "
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"luminosity. Complete black pixel "
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"becomes the leftmost color of the "
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"gradient, and complete white becomes "
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"the rightmost. Works on both "
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"Grayscale and RGB image "
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"with/without alpha channel.",
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name);
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gimp_procedure_set_attribution (procedure,
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"Eiichi Takamori",
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"Eiichi Takamori",
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"1997");
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}
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else if (! strcmp (name, PALETTEMAP_PROC))
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{
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procedure = gimp_image_procedure_new (plug_in, name, GIMP_PLUGIN,
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map_run,
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GINT_TO_POINTER (PALETTE_MODE),
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NULL);
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gimp_procedure_set_image_types (procedure, "RGB*, GRAY*");
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gimp_procedure_set_menu_label (procedure, N_("_Palette Map"));
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gimp_procedure_add_menu_path (procedure, "<Image>/Colors/Map");
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gimp_procedure_set_documentation (procedure,
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N_("Recolor the image using colors "
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"from the active palette"),
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"This plug-in maps the contents of "
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"the specified drawable with the "
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"active palette. It calculates "
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"luminosity of each pixel and "
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"replaces the pixel by the palette "
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"sample at the corresponding index. "
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"A complete black pixel becomes the "
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"lowest palette entry, and complete "
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"white becomes the highest. Works on "
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"both Grayscale and RGB image "
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"with/without alpha channel.",
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name);
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gimp_procedure_set_attribution (procedure,
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"Bill Skaggs",
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"Bill Skaggs",
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"2004");
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}
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return procedure;
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}
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static GimpValueArray *
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map_run (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GimpImage *image,
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GimpDrawable *drawable,
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const GimpValueArray *args,
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gpointer run_data)
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{
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MapMode mode = GPOINTER_TO_INT (run_data);
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GeglBuffer *shadow_buffer;
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GeglBuffer *buffer;
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INIT_I18N ();
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gegl_init (NULL, NULL);
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*nreturn_vals = 1;
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*return_vals = values;
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values[0].type = GIMP_PDB_STATUS;
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values[0].data.d_status = status;
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/* Get the specified drawable */
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shadow_buffer = gimp_drawable_get_shadow_buffer (drawable_id);
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buffer = gimp_drawable_get_buffer (drawable_id);
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shadow_buffer = gimp_drawable_get_shadow_buffer (drawable);
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buffer = gimp_drawable_get_buffer (drawable);
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/* Make sure that the drawable is gray or RGB color */
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if (gimp_drawable_is_rgb (drawable_id) ||
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gimp_drawable_is_gray (drawable_id))
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if (gimp_drawable_is_rgb (drawable) ||
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gimp_drawable_is_gray (drawable))
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{
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MapMode mode = 0;
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if ( !strcmp (name, GRADMAP_PROC))
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if (mode == GRADIENT_MODE)
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{
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mode = GRADIENT_MODE;
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gimp_progress_init (_("Gradient Map"));
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}
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else if ( !strcmp (name, PALETTEMAP_PROC))
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{
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mode = PALETTE_MODE;
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gimp_progress_init (_("Palette Map"));
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}
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else
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{
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status = GIMP_PDB_CALLING_ERROR;
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gimp_progress_init (_("Palette Map"));
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}
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if (status == GIMP_PDB_SUCCESS)
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{
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if (mode)
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map (buffer, shadow_buffer, drawable_id, mode);
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}
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map (buffer, shadow_buffer, drawable, mode);
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}
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else
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{
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status = GIMP_PDB_EXECUTION_ERROR;
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return gimp_procedure_new_return_values (procedure,
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GIMP_PDB_EXECUTION_ERROR,
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NULL);
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}
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g_object_unref (buffer);
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g_object_unref (shadow_buffer);
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gimp_drawable_merge_shadow (drawable_id, TRUE);
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gimp_drawable_merge_shadow (drawable, TRUE);
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gimp_drawable_update (drawable_id, 0, 0,
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gimp_drawable_width (drawable_id),
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gimp_drawable_height (drawable_id));
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values[0].data.d_status = status;
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gimp_drawable_update (drawable, 0, 0,
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gimp_drawable_width (drawable),
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gimp_drawable_height (drawable));
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if (run_mode != GIMP_RUN_NONINTERACTIVE)
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gimp_displays_flush ();
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return gimp_procedure_new_return_values (procedure, GIMP_PDB_SUCCESS, NULL);
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}
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static void
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map (GeglBuffer *buffer,
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GeglBuffer *shadow_buffer,
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gint32 drawable_id,
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GimpDrawable *drawable,
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MapMode mode)
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{
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GeglBufferIterator *gi;
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const Babl *format_shadow;
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const Babl *format_buffer;
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is_rgb = gimp_drawable_is_rgb (drawable_id);
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has_alpha = gimp_drawable_has_alpha (drawable_id);
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is_rgb = gimp_drawable_is_rgb (drawable);
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has_alpha = gimp_drawable_has_alpha (drawable);
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switch (mode)
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{
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case GRADIENT_MODE:
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samples = get_samples_gradient (drawable_id);
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samples = get_samples_gradient (drawable);
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interpolate = TRUE;
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break;
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case PALETTE_MODE:
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samples = get_samples_palette (drawable_id);
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samples = get_samples_palette (drawable);
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interpolate = FALSE;
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break;
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default:
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@ -344,7 +387,7 @@ map (GeglBuffer *buffer,
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Each sample is (R'G'B'A float) or (Y'A float), depending on the drawable
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*/
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static gdouble *
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get_samples_gradient (gint32 drawable_id)
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get_samples_gradient (GimpDrawable *drawable)
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{
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gchar *gradient_name;
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gint n_d_samples;
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@ -357,11 +400,12 @@ get_samples_gradient (gint32 drawable_id)
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&n_d_samples, &d_samples);
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g_free (gradient_name);
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if (!gimp_drawable_is_rgb (drawable_id))
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if (! gimp_drawable_is_rgb (drawable))
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{
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const Babl *format_src = babl_format ("R'G'B'A double");
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const Babl *format_dst = babl_format ("Y'A double");
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const Babl *fish = babl_fish (format_src, format_dst);
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babl_process (fish, d_samples, d_samples, NSAMPLES);
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}
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Each sample is (R'G'B'A float) or (Y'A float), depending on the drawable
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*/
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static gdouble *
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get_samples_palette (gint32 drawable_id)
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get_samples_palette (GimpDrawable *drawable)
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{
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gchar *palette_name;
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GimpRGB color_sample;
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palette_name = gimp_context_get_palette ();
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gimp_palette_get_info (palette_name, &num_colors);
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is_rgb = gimp_drawable_is_rgb (drawable_id);
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is_rgb = gimp_drawable_is_rgb (drawable);
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factor = ((double) num_colors) / NSAMPLES;
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format = is_rgb ? babl_format ("R'G'B'A double") : babl_format ("Y'A double");
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@ -52,7 +52,7 @@
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'file-xpm' => { ui => 1, gegl => 1, optional => 1, libs => 'XPM_LIBS' },
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'file-xwd' => { ui => 1, gegl => 1 },
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'film' => { ui => 1, gegl => 1 },
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'gradient-map' => { gegl => 1, old_api => 1 },
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'gradient-map' => { gegl => 1 },
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'grid' => { ui => 1, gegl => 1 },
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'guillotine' => { },
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'hot' => { ui => 1, gegl => 1, old_api => 1 },
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