Changeset 49

Timestamp:

01/20/09 19:07:40 (3 years ago)

Author:

mirko

Message:

animation and index sketches

Files:

• branches/clutter-experiments/main.cc (modified) (2 diffs)

branches/clutter-experiments/main.cc

@@ -32 +32 @@
 }
 
+#if 0
+/**
+ * The index class will contain methods to show all the pages in an
+ * index page, to hilight a different page and to restore the selected
+ * page in full screen.
+ *
+ */
+class index
+{
+  // ...
+}
+/**
+ * @brief Abstract animator class.
+ *
+ * Animations are for transitions between two pages. They start from
+ * one page and go to another one. The prepare() method whoud be
+ * called before starting and is indended to render the hi resolution
+ * version of the needed pages and to setup the scene
+ * graph. render(frame) is used to position the actors for the given
+ * frame number and unprepare() will free the unneded hi-res versions.
+ */
+class animator
+{
+  virtual ~animator() {}
+
+  void
+  prepare() = 0;
+  
+  void
+  render(int frame) = 0;
+
+  void
+  unprepare() = 0;
+};
+
+class replace_animator : public animator
+{
+  replace_animator(pdfcube::document& doc, int page_no);
+  // ...
+}
+
+class cube_animator : public animator
+{
+  replace_animator(pdfcube::document& doc, int page_no);
+  // ...
+}
+
+/**
+ * An animator factory returns an animator for the give page number of
+ * a document.
+ *
+ */
+class animator_factory
+{
+  animator* make_animator(pdfcube::document& doc, int page_no)
+  {
+    switch(doc.page(page_no).transition_type())
+      {
+      case POPPLER_PAGE_TRANSITION_REPLACE:
+        return new replace_animator(doc, page_no);
+      case POPPLER_PAGE_TRANSITION_BOX:
+        return new cube_animator(doc, page_no);
+      }
+    return NULL;
+  }
+}
+#endif
+
+// a main to quick-test some clutter api
 int main(int argc, char* argv[])
 {
@@ -65 +134 @@
   clutter_stage_set_color(CLUTTER_STAGE(stage), &stage_color);
 
+  // poppler needs an URI (e.g. file:///....)
   pdoc = poppler_document_new_from_file(*pdfcube_filename, NULL, NULL);
   if(pdoc == NULL)