add basic data members and methods for adding an explicit size allocation for Canvas...
[ardour.git] / libs / canvas / stateful_image.cc
index f2b8e7174434efcd37f6e568939a3d128ae6db47..897500d5fddad048fa18f512414d9eafd3ee204b 100644 (file)
@@ -9,9 +9,8 @@
 #include "pbd/xml++.h"
 
 #include "canvas/stateful_image.h"
-#include "canvas/utils.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ArdourCanvas;
 using PBD::error;
@@ -19,8 +18,8 @@ using PBD::error;
 PBD::Searchpath StatefulImage::_image_search_path;
 StatefulImage::ImageCache StatefulImage::_image_cache;
 
-StatefulImage::StatefulImage (Group* group, const XMLNode& node)
-       : Item (group)
+StatefulImage::StatefulImage (Canvas* c, const XMLNode& node)
+       : Item (c)
        , _state (0)
        , _font (0)
        , _text_x (0)
@@ -45,8 +44,8 @@ StatefulImage::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context)
        ImageHandle image = _states[_state].image;
        Rect self = item_to_window (Rect (0, 0, image->get_width(), image->get_height()));
 
-       boost::optional<Rect> draw = self.intersection (area);
-       
+       Rect draw = self.intersection (area);
+
        if (!draw) {
                return;
        }
@@ -55,7 +54,7 @@ StatefulImage::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context)
           ("window" coordinates) and render it.
        */
        context->set_source (image, self.x0, self.y0);
-       context->rectangle (draw->x0, draw->y0, draw->width(), draw->height());
+       context->rectangle (draw.x0, draw.y0, draw.width(), draw.height());
        context->fill ();
 
        if (!_text.empty()) {
@@ -68,7 +67,7 @@ StatefulImage::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context)
                }
 
                // layout->set_alignment (_alignment);
-               set_source_rgba (context, _text_color);
+               Gtkmm2ext::set_source_rgba (context, _text_color);
                context->move_to (_text_x, _text_y);
                layout->show_in_cairo_context (context);
        }
@@ -89,30 +88,30 @@ int
 StatefulImage::load_states (const XMLNode& node)
 {
        const XMLNodeList& nodes (node.children());
-       
+
        _states.clear ();
-       
+
        for (XMLNodeList::const_iterator i = nodes.begin(); i != nodes.end(); ++i) {
                State s;
                States::size_type id;
                const XMLProperty* prop;
-               
+
                if ((prop = (*i)->property ("id")) == 0) {
                        error << _("no ID for state") << endmsg;
                        continue;
                }
-               sscanf (prop->value().c_str(), "%zd", &id);
+               sscanf (prop->value().c_str(), "%" G_GSIZE_FORMAT, &id);
 
                if ((prop = (*i)->property ("image")) == 0) {
                        error << _("no image for state") << endmsg;
                        continue;
                }
-               
-               if ((s.image = find_image (prop->value())) == 0) {
+
+               if (!(s.image = find_image (prop->value()))) {
                        error << string_compose (_("image %1 not found for state"), prop->value()) << endmsg;
                        continue;
                }
-               
+
                if (_states.size() < id) {
                        _states.reserve (id);
                }
@@ -134,12 +133,12 @@ StatefulImage::find_image (const std::string& name)
 
        std::string path;
 
-       if (!find_file_in_search_path (_image_search_path, name, path)) {
+       if (!find_file (_image_search_path, name, path)) {
                error << string_compose (_("Image named %1 not found"),
                                         name) << endmsg;
                return ImageHandle();
        }
-       
+
        return Cairo::ImageSurface::create_from_png (path);
 }