** Almost a total rewrite of every file, except for filter-driver which

2000-07-30  Not Zed  <NotZed@HelixCode.com>

        **  Almost a total rewrite of every file, except for filter-driver
        which just had minor updates.

        The rule format has changed.

svn path=/trunk/; revision=4418

1 files changed, 220 insertions, 0 deletions

diff --git a/filter/filter-colour.c b/filter/filter-colour.c
new file mode 100644
index 0000000000..202908d016
--- /dev/null
+++ b/filter/filter-colour.c
@@ -0,0 +1,220 @@
+/*
+ *  Copyright (C) 2000 Helix Code Inc.
+ *
+ *  Authors: Not Zed <notzed@lostzed.mmc.com.au>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public License
+ *  as published by the Free Software Foundation; either version 2 of
+ *  the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public
+ *  License along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <gtk/gtk.h>
+#include <gnome.h>
+#include <gnome-xml/xmlmemory.h>
+
+#include "e-util/e-sexp.h"
+#include "filter-colour.h"
+
+#define d(x)
+
+static void xml_create(FilterElement *fe, xmlNodePtr node);
+static xmlNodePtr xml_encode(FilterElement *fe);
+static int xml_decode(FilterElement *fe, xmlNodePtr node);
+static GtkWidget *get_widget(FilterElement *fe);
+static void build_code(FilterElement *fe, GString *out, struct _FilterPart *ff);
+static void format_sexp(FilterElement *, GString *);
+
+static void filter_colour_class_init	(FilterColourClass *class);
+static void filter_colour_init	(FilterColour *gspaper);
+static void filter_colour_finalise	(GtkObject *obj);
+
+#define _PRIVATE(x) (((FilterColour *)(x))->priv)
+
+struct _FilterColourPrivate {
+};
+
+static FilterElementClass *parent_class;
+
+enum {
+	LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+guint
+filter_colour_get_type (void)
+{
+	static guint type = 0;
+	
+	if (!type) {
+		GtkTypeInfo type_info = {
+			"FilterColour",
+			sizeof(FilterColour),
+			sizeof(FilterColourClass),
+			(GtkClassInitFunc)filter_colour_class_init,
+			(GtkObjectInitFunc)filter_colour_init,
+			(GtkArgSetFunc)NULL,
+			(GtkArgGetFunc)NULL
+		};
+		
+		type = gtk_type_unique(filter_element_get_type (), &type_info);
+	}
+	
+	return type;
+}
+
+static void
+filter_colour_class_init (FilterColourClass *class)
+{
+	GtkObjectClass *object_class;
+	FilterElementClass *filter_element = (FilterElementClass *)class;
+	
+	object_class = (GtkObjectClass *)class;
+	parent_class = gtk_type_class(filter_element_get_type ());
+
+	object_class->finalize = filter_colour_finalise;
+
+	/* override methods */
+	filter_element->xml_create = xml_create;
+	filter_element->xml_encode = xml_encode;
+	filter_element->xml_decode = xml_decode;
+	filter_element->get_widget = get_widget;
+	filter_element->build_code = build_code;
+	filter_element->format_sexp = format_sexp;
+
+	/* signals */
+
+	gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL);
+}
+
+static void
+filter_colour_init (FilterColour *o)
+{
+	o->priv = g_malloc0(sizeof(*o->priv));
+}
+
+static void
+filter_colour_finalise(GtkObject *obj)
+{
+	FilterColour *o = (FilterColour *)obj;
+
+	o = o;
+
+        ((GtkObjectClass *)(parent_class))->finalize(obj);
+}
+
+/**
+ * filter_colour_new:
+ *
+ * Create a new FilterColour object.
+ * 
+ * Return value: A new #FilterColour object.
+ **/
+FilterColour *
+filter_colour_new(void)
+{
+	FilterColour *o = (FilterColour *)gtk_type_new(filter_colour_get_type ());
+	return o;
+}
+
+static void xml_create(FilterElement *fe, xmlNodePtr node)
+{
+	/*FilterColour *fc = (FilterColour *)fe;*/
+
+	/* parent implementation */
+        ((FilterElementClass *)(parent_class))->xml_create(fe, node);
+}
+
+static xmlNodePtr xml_encode(FilterElement *fe)
+{
+	xmlNodePtr value;
+	FilterColour *fc = (FilterColour *)fe;
+	char hex[16];
+
+	d(printf("Encoding colour as xml\n"));
+	value = xmlNewNode(NULL, "value");
+	xmlSetProp(value, "name", fe->name);
+	xmlSetProp(value, "type", "colour");
+
+	sprintf(hex, "%04x", fc->r);
+	xmlSetProp(value, "red", hex);
+	sprintf(hex, "%04x", fc->g);
+	xmlSetProp(value, "green", hex);
+	sprintf(hex, "%04x", fc->b);
+	xmlSetProp(value, "blue", hex);
+	sprintf(hex, "%04x", fc->a);
+	xmlSetProp(value, "alpha", hex);
+
+	return value;
+}
+
+static guint16
+get_value(xmlNodePtr node, char *name)
+{
+	unsigned int ret;
+	char *value;
+
+	value = xmlGetProp(node, name);
+	sscanf(value, "%04x", &ret);
+	xmlFree(value);
+	return ret;
+}
+
+
+static int xml_decode(FilterElement *fe, xmlNodePtr node)
+{
+	FilterColour *fc = (FilterColour *)fe;
+
+	fe->name = xmlGetProp(node, "name");
+	fc->r = get_value(node, "red");
+	fc->g = get_value(node, "green");
+	fc->b = get_value(node, "blue");
+	fc->a = get_value(node, "alpha");
+
+	return 0;
+}
+
+static void set_colour(GnomeColorPicker *cp, guint r, guint g, guint b, guint a, FilterColour *fc)
+{
+	fc->r = r;
+	fc->g = g;
+	fc->b = b;
+	fc->a = a;
+}
+
+static GtkWidget *get_widget(FilterElement *fe)
+{
+	FilterColour *fc = (FilterColour *)fe;
+	GnomeColorPicker *cp;
+
+	cp = (GnomeColorPicker *)gnome_color_picker_new();
+	gnome_color_picker_set_i16(cp, fc->r, fc->g, fc->b, fc->a);
+	gtk_widget_show((GtkWidget *)cp);
+	gtk_signal_connect((GtkObject *)cp, "color_set", set_colour, fe);
+	return (GtkWidget *)cp;
+}
+
+static void build_code(FilterElement *fe, GString *out, struct _FilterPart *ff)
+{
+	return;
+}
+
+static void format_sexp(FilterElement *fe, GString *out)
+{
+	char *str;
+	FilterColour *fc = (FilterColour *)fe;
+
+	str =g_strdup_printf("rgb:%04x/%04x/%04x", fc->r, fc->g, fc->b);
+	e_sexp_encode_string(out, str);
+	g_free(str);
+}