r16217@tres: ted | 2007-08-10 10:36:27 -0700

 ImageMagick effects patch from Chris Brown.  Google Summer of Code 
 project.

(bzr r3450)

1 files changed, 149 insertions, 0 deletions

diff --git a/src/extension/paramcolor.cpp b/src/extension/paramcolor.cpp
new file mode 100644
index 000000000..83dba1b2b
--- /dev/null
+++ b/src/extension/paramcolor.cpp
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2005-2007 Authors:
+ *   Ted Gould <ted@gould.cx>
+ *   Johan Engelen <johan@shouraizou.nl>
+ *   Christopher Brown <audiere@gmail.com>
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <iostream>
+#include <sstream>
+
+#include <gtkmm/adjustment.h>
+#include <gtkmm/box.h>
+#include <gtkmm/spinbutton.h>
+
+#include <xml/node.h>
+
+#include "extension.h"
+#include "paramcolor.h"
+
+#include "color.h"
+#include "widgets/sp-color-selector.h"
+#include "widgets/sp-color-notebook.h"
+
+
+namespace Inkscape {
+namespace Extension {
+	
+void sp_color_param_changed(SPColorSelector *csel, GObject *cp);
+
+     
+/** \brief  Free the allocated data. */
+ParamColor::~ParamColor(void)
+{
+    g_free(_value);
+}
+     
+SPColor* 
+ParamColor::set (SPColor* in, SPDocument * doc, Inkscape::XML::Node * node)
+{
+    _value = in;
+
+    gchar * prefname = this->pref_name();
+    prefs_set_string_attribute(PREF_DIR, prefname, this->string()->c_str());
+    g_free(prefname);
+
+    return _value;
+}
+
+/** \brief  Initialize the object, to do that, copy the data. */
+ParamColor::ParamColor (const gchar * name, const gchar * guitext, const gchar * desc, const Parameter::_scope_t scope, Inkscape::Extension::Extension * ext, Inkscape::XML::Node * xml) :
+    Parameter(name, guitext, desc, scope, ext), _value(NULL)
+{
+    const char * defaulthex = NULL;
+    if (sp_repr_children(xml) != NULL)
+        defaulthex = sp_repr_children(xml)->content();
+
+    gchar * pref_name = this->pref_name();
+    const gchar * paramval = prefs_get_string_attribute(PREF_DIR, pref_name);
+    g_free(pref_name);
+
+    if (paramval != NULL)
+        defaulthex = paramval;
+    
+	const char* hexMark = strchr(defaulthex, '#');
+	if (hexMark != NULL)
+	    defaulthex++;// = hexMark;
+	
+	if (strlen(defaulthex) == 6) {
+		int r = 0, g = 0, b = 0;	
+		std::stringstream ss;
+		ss << strndup(defaulthex, 2);
+		ss >> std::hex >> r;
+		ss << strndup(defaulthex + 2, 2);
+		ss >> std::hex >> g;
+		ss << defaulthex + 4;
+		ss >> std::hex >> b;
+		g_free(ss);
+			
+		SPColor defaultColor;
+		sp_color_set_rgb_float(&defaultColor, r / 255.0, g / 255.0, b / 255.0);
+		_value = &defaultColor;
+	}
+
+    return;
+}
+
+/** \brief  Return the value as a string */
+Glib::ustring *
+ParamColor::string (void)
+{
+    float rgb[3];
+    sp_color_get_rgb_floatv(_value, rgb);
+    char hex[8];
+	snprintf(hex, 8, "#%02X%02X%02X", (int)(rgb[0] * 255), (int)(rgb[1] * 255), (int)(rgb[2] * 255));
+	
+	Glib::ustring* ret = new Glib::ustring(hex);
+	
+	printf("ParamColor::string = '%s'\n", hex);
+	
+    return ret;
+}
+
+Gtk::Widget *
+ParamColor::get_widget (SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal)
+{
+	_changeSignal = new sigc::signal<void>(*changeSignal);
+	Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, 4));
+	SPColorSelector* spColorSelector = (SPColorSelector*)sp_color_selector_new(SP_TYPE_COLOR_NOTEBOOK, SP_COLORSPACE_TYPE_RGB);
+	
+	ColorSelector* colorSelector = spColorSelector->base;
+	if (_value == NULL) {
+		_value = new SPColor();
+		sp_color_set_rgb_float(_value, 1.0, 0.0, 0.0);
+	}
+    colorSelector->setColor(*_value);
+
+	hbox->pack_start (*Glib::wrap(&spColorSelector->vbox), true, true, 0);
+	g_signal_connect(G_OBJECT(spColorSelector), "dragged",  G_CALLBACK(sp_color_param_changed), (void*)this);
+	g_signal_connect(G_OBJECT(spColorSelector), "released", G_CALLBACK(sp_color_param_changed), (void*)this);
+	g_signal_connect(G_OBJECT(spColorSelector), "changed",  G_CALLBACK(sp_color_param_changed), (void*)this);
+
+	gtk_widget_show(GTK_WIDGET(spColorSelector));
+	hbox->show();
+    
+    return dynamic_cast<Gtk::Widget *>(hbox);
+}
+
+void
+sp_color_param_changed(SPColorSelector *csel, GObject *obj)
+{
+	SPColor color;
+    float alpha;
+    csel->base->getColorAlpha(color, &alpha);
+    guint32 rgba = sp_color_get_rgba32_falpha(&color, alpha);
+	
+
+    ParamColor* ptr = (ParamColor* )obj;
+	ptr->set(&color, NULL, NULL); 
+	
+	ptr->_changeSignal->emit();
+}
+
+};  /* namespace Extension */
+};  /* namespace Inkscape */