Initial revision

1 files changed, 126 insertions, 0 deletions

diff --git a/demos/MiscDemos/GLImageViewerCanvas.java b/demos/MiscDemos/GLImageViewerCanvas.java
new file mode 100755
index 0000000..320242c
--- /dev/null
+++ b/demos/MiscDemos/GLImageViewerCanvas.java
@@ -0,0 +1,126 @@
+import gl4java.*;
+import gl4java.awt.*;
+import gl4java.utils.textures.*;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.net.*;
+
+public class GLImageViewerCanvas extends Frame 
+    implements ActionListener, ItemListener
+{
+    GLImageCanvas glImageCanvas = null;
+
+    private Choice fileTypeChoice = null;
+    private Button loadButton = null;
+    private Button saveButton = null;
+    private Button normalButton = null;
+    private Checkbox aspectCheck = null;
+
+    public GLImageViewerCanvas(String title)
+    {
+        super(title);
+	setSize(500, 300);
+        Dimension d = getSize();
+        setLayout(new BorderLayout());
+
+	addWindowListener( new WindowAdapter()
+			{
+				public void windowClosed(WindowEvent e)
+				{
+					System.exit(0);
+				}
+				public void windowClosing(WindowEvent e)
+				{
+					windowClosed(e);
+				}
+			}
+		);
+
+	Panel filePanel = new Panel();
+	filePanel.setLayout(new FlowLayout(FlowLayout.CENTER));
+
+	fileTypeChoice = new Choice();
+	fileTypeChoice.add("any");
+	fileTypeChoice.add("tga");
+	fileTypeChoice.add("png");
+	fileTypeChoice.add("ppm");
+	filePanel.add(fileTypeChoice);
+
+        loadButton = new Button("load..");
+	loadButton.addActionListener(this);
+	filePanel.add(loadButton);
+
+        saveButton = new Button("save..");
+	saveButton.addActionListener(this);
+	filePanel.add(saveButton);
+
+        normalButton = new Button("normal");
+	normalButton.addActionListener(this);
+	filePanel.add(normalButton);
+
+	aspectCheck = new Checkbox("aspect", true);
+	aspectCheck.addItemListener(this);
+	filePanel.add(aspectCheck);
+        add("North", filePanel);
+
+	glImageCanvas = new GLImageCanvas(d.width, d.height);
+	glImageCanvas.setName("GLImageCanvas");
+	glImageCanvas.setKeepAspectRatio(aspectCheck.getState());
+        add("Center", glImageCanvas);
+
+	pack();
+	setVisible(true);
+    }
+
+    public void actionPerformed(ActionEvent e)
+    {
+    	Object src = e.getSource();
+	if(src.equals(loadButton)) 
+	{
+	    FileDialog fd = new FileDialog(this,"Bitmap Load Menu",
+	    				   FileDialog.LOAD);
+	    fd.show();
+	    String fname = fd.getDirectory() + fd.getFile() ;
+	    fname = fname.replace('\\','/');
+	    fname = fname.trim();
+
+	    setTitle(fname);
+	    glImageCanvas.loadTexture(fname, 
+	    		              fileTypeChoice.getSelectedItem() );
+	    repaint();
+	} else if(src.equals(saveButton)) 
+	{
+	    FileDialog fd = new FileDialog(this,"TGA-Image Save Menu",
+	    				   FileDialog.SAVE);
+	    fd.show();
+	    String fname = fd.getDirectory() + fd.getFile() ;
+	    fname = fname.replace('\\','/');
+	    fname = fname.trim();
+
+	    setTitle(fname);
+	    glImageCanvas.snapshot( new TGATextureGrabber(glImageCanvas.gl),
+		                    fname);
+	    repaint();
+	} else if(src.equals(normalButton)) 
+	{
+	    glImageCanvas.setOriginalSize();
+	}
+    }
+
+    public void itemStateChanged(ItemEvent e)
+    {
+	if(aspectCheck.equals(e.getItemSelectable()))
+	{
+		glImageCanvas.setKeepAspectRatio(aspectCheck.getState());
+	}
+    }
+
+	public static void main( String args[] ) 
+	{
+                GLContext.gljNativeDebug = true;
+                GLContext.gljClassDebug = true;
+		GLImageViewerCanvas applet = 
+			new GLImageViewerCanvas("GLImageViewerCanvas");
+	}
+}