Changeset 980

Timestamp:

12/14/15 13:40:04 (8 years ago)

Author:

davidb

Message:

Support for frame transitions added

Location:

trunk/src/org/expeditee/gui

Files:

• FrameGraphics.java (modified) (3 diffs)
• FrameTransitions.java (added)
• FrameUtils.java (modified) (2 diffs)

trunk/src/org/expeditee/gui/FrameGraphics.java

@@ -30 +30 @@
 import java.awt.RenderingHints;
 import java.awt.geom.Area;
+import java.lang.reflect.Method;
 import java.awt.image.BufferedImage;
 import java.util.Collection;
@@ -599 +600 @@
                         Color background) {
 
+            // Triggers a FrameTransition is this has been signalled
+            // through an '@frameTransition: xxxx' on the frame.  The type of
+            // transition is specified in the 'xxxx' part
+
+
                 // if TwinFrames mode is on, then clipping etc has to be set
                 if (DisplayIO.isTwinFramesOn()) {
@@ -617 +623 @@
                                         Item.DEFAULT_BACKGROUND, null);
 
-                        // otherwise, just draw whichever side is active
-                } else {
-                        if (DisplayIO.getCurrentSide() == 0)
-                                g.drawImage(left, 0, 0, Item.DEFAULT_BACKGROUND, null);
-                        else
-                                g.drawImage(right, 0, 0, Item.DEFAULT_BACKGROUND, null);
-                }
-
-        }
+                        
+                }
+                // otherwise, just draw whichever side is active
+                else {
+                    if (DisplayIO.getCurrentSide() == 0) {
+                        g.drawImage(left, 0, 0, Item.DEFAULT_BACKGROUND, null);
+                        paintTransition(g,left);
+                    }
+                    else {
+                        g.drawImage(right, 0, 0, Item.DEFAULT_BACKGROUND, null);
+                        paintTransition(g,right);
+                    }
+                }
+
+        }
+
+        
+    private static void paintTransition(Graphics g, Image image)
+    {
+                                  
+        //If we are doing a transition
+        if(FrameTransitions.getSlide() == true){                                                
+            
+            String input = "org.expeditee.gui.FrameTransitions";
+            String slide_mode_method = FrameTransitions.getslideModeMethod();
+        
+            try {
+                Class<?> c = Class.forName(input);
+                System.out.println(c.toString());
+                Object t;
+                
+                t = c.newInstance();                                            
+                
+                Class[] cArg = new Class[3];
+                cArg[0] = Graphics.class;
+                cArg[1] = Image.class;
+                cArg[2] = Dimension.class;                                                      
+                
+                //Gets the method of transition and calls it                                            
+                Method lMethod = c.getDeclaredMethod(slide_mode_method, cArg);  
+                
+                if(lMethod != null){
+                    
+                    System.out.println("method = " + lMethod.toString());                                                                                           
+                    Object o = lMethod.invoke(t, g, image, _MaxSize);
+                }
+                else{
+                    System.err.println("Unable to locate the transition '" + slide_mode_method + "'");
+                }                                               
+                
+            } catch (Exception e) {                                             
+                
+                System.err.println("An Reflection Exception occurred trying to invoke '" + slide_mode_method + "'");
+                e.printStackTrace();
+            }   
+        }               
+        //Tells the frame to only transition once
+        FrameTransitions.setSlideFalse();                               
+    }
+    
 
         public static void Clear() {

trunk/src/org/expeditee/gui/FrameUtils.java

@@ -421 +421 @@
     }
 
+    // TODO: consider reloating this method to Frame class?    
+    protected static Item getAnnotation(Frame frame, String annotationStr)
+    {
+        Item matched_item = null;
+        
+        // check for an updated template...
+        for (Item i : frame.getAnnotationItems()) {                             
+            
+            if (ItemUtils.startsWithTag(i, annotationStr)) {
+
+                matched_item = i;
+                break;
+            }
+        }
+
+        return matched_item;
+    }
+
+    protected static void doFrameTransition(Item frameTransition, Frame from, Frame to)
+    {
+        String s = frameTransition.getText();           
+        String[] s_array = s.split(":");
+        if(s_array.length > 1){
+            String slide_mode_method = s_array[1].trim();
+            
+            FrameTransitions.setSlideModeMethod(slide_mode_method);
+            System.out.println("Triggered on annotation: " + s);
+            FrameTransitions.setSlideTrue();
+            FrameTransitions.setSlideModeBaseImage(FrameGraphics.getBuffer(from, false, false));
+        }
+        else {
+            System.err.println("Warning: failed to detect frameTransition type");
+            // TODO: print list as a result of reflection listing          
+        }
+    }                           
+
     /**
      * Displays the given Frame on the display. If the current frame has changed
@@ -502 +538 @@
 
         Parse(toDisplay);
+
+        // Test to see if frame transition required, and perform it if one if found
+        Item frameTransition = getAnnotation(toDisplay, "@frameTransition");
+        if (frameTransition != null) {
+            doFrameTransition(frameTransition,current,toDisplay);
+        }
+                
         DisplayIO.setCurrentFrame(toDisplay, incrementStats);
         FrameMouseActions.updateCursor();