[brailleblaster] [brailleblaster.newdesign] push by RandomCh...@xxxxxxxxx - Some Next button code and createScaledImage() on 2013-07-31 17:55 GMT
- From: brailleblaster@xxxxxxxxxxxxxx
- To: brailleblaster@xxxxxxxxxxxxx
- Date: Wed, 31 Jul 2013 17:55:39 +0000
Revision: 752f5df9f45f
Branch: default
Author: cmyers@xxxxxxxxxxxxxxxxx
Date: Wed Jul 31 12:02:01 2013
Log: Some Next button code and createScaledImage()
http://code.google.com/p/brailleblaster/source/detail?r=752f5df9f45f&repo=newdesign
Modified:
/src/main/org/brailleblaster/imagedescriber/ImageDescriber.java
/src/main/org/brailleblaster/imagedescriber/ImageDescriberDialog.java
=======================================
--- /src/main/org/brailleblaster/imagedescriber/ImageDescriber.java Tue Jul
30 13:31:20 2013
+++ /src/main/org/brailleblaster/imagedescriber/ImageDescriber.java Wed Jul
31 12:02:01 2013
@@ -237,6 +237,14 @@
return imgFileList.get(elmIndex);
} // getElementImage()
+
+
///////////////////////////////////////////////////////////////////////////
+ // Returns image of current element.
+ public Image getCurElementImage()
+ {
+ // Return the image.
+ return imgFileList.get(curElementIndex);
+ }
///////////////////////////////////////////////////////////////////////////
// Returns current element's index in list.
@@ -285,5 +293,15 @@
ch.getAttribute("render").setValue(tagRENDER);
} // setCurElmProdAttributes
+
+
///////////////////////////////////////////////////////////////////////////
+ // Removes images from memory.
+ public void disposeImages()
+ {
+ // Loop through them all and delete.
+ for(int curImg = 0; curImg < imgFileList.size(); curImg++)
+ imgFileList.get(curImg).dispose();
+
+ } // disposeImages()
} // public class ImageDescriber {
=======================================
--- /src/main/org/brailleblaster/imagedescriber/ImageDescriberDialog.java
Tue Jul 30 14:41:55 2013
+++ /src/main/org/brailleblaster/imagedescriber/ImageDescriberDialog.java
Wed Jul 31 12:02:01 2013
@@ -35,9 +35,12 @@
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Dialog;
import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
///////////////////////////////////////////////////////////////////////////////////////////
@@ -54,6 +57,16 @@
// UI Elements.
Button nextBtn;
Button prevBtn;
+ Label mainImage;
+
+ // The image describer.
+ ImageDescriber imgDesc;
+
+ // Main image.
+ int imageOffsetX = 0;
+ int imageOffsetY = 100;
+ int clientWidth = -1;
+ int clientHeight = -1;
///////////////////////////////////////////////////////////////////////////////////////////
// Constructor.
@@ -65,10 +78,15 @@
// Create shell, get display, etc.
wpm = wordProcesserManager;
display = wpm.getDisplay();
- Display display = parent.getDisplay();
+ display = parent.getDisplay();
configShell = new Shell(parent, SWT.DIALOG_TRIM);
configShell.setText(lh.localValue("Image Describer"));
+ // Resize window.
+ configShell.setSize(700, 700);
+ clientWidth = configShell.getClientArea().width;
+ clientHeight = configShell.getClientArea().height;
+
////////////////////////////
// Grab current doc manager.
@@ -84,24 +102,19 @@
// Grab current doc manager.
////////////////////////////
-
+
+ // Start the image describer.
+ imgDesc = new ImageDescriber(dm);
// Create all of the buttons, edit boxes, etc.
createUIelements();
- // Start the image describer.
-// TODO: MMOVE -> ImageDescriber imgDesc = new ImageDescriber(dm);
-
-
///////////////////
// Run this dialog.
// show the SWT window
configShell.pack();
- // Resize window.
- configShell.setSize(700, 700);
-
// Open and Run!
configShell.open();
while (!configShell.isDisposed()) {
@@ -114,6 +127,8 @@
// Shutdown.
configShell.dispose();
+ imgDesc.disposeImages();
+ mainImage.dispose();
} // public ImageDescriberDialog(Shell arg0, int arg1)
@@ -121,6 +136,11 @@
// Creates all buttons, boxes, checks, etc.
public void createUIelements()
{
+ // Setup main image.
+ mainImage = new Label(configShell, SWT.NONE);
+ mainImage.setBounds(imageOffsetX, imageOffsetY, clientWidth -
imageOffsetX, (clientHeight - imageOffsetY));
+ mainImage.setImage( createScaledImage(imgDesc.getCurElementImage(),
clientWidth, clientHeight) );
+
// Create next button.
nextBtn = new Button(configShell, SWT.PUSH);
nextBtn.setText("Next");
@@ -128,7 +148,9 @@
nextBtn.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
-
+ // Change main image to next element image.
+ imgDesc.nextImageElement();
+ mainImage.setImage( createScaledImage(imgDesc.getCurElementImage(),
clientWidth, clientHeight - imageOffsetY) );
} // widgetSelected()
@@ -149,4 +171,33 @@
} // public void createUIelements()
+
///////////////////////////////////////////////////////////////////////////////////////////
+ // Creates an image from another to fit a particular resolution, without
+ // changing the aspect ratio. Scales up or down to match values given.
+ public Image createScaledImage(Image img, int maxWidth, int maxHeight)
+ {
+ // Calc percentage needed to match max width.
+ float percW = ((maxWidth * 100) / img.getImageData().width) /
100.0f;
+
+ // Store new dimensions.
+ int newWidth = maxWidth;
+ int newHeight = (int)(img.getImageData().height * percW);
+
+ // Calculate new dimensions based on height.
+ if(newHeight > maxHeight)
+ {
+ // Calc percentage needed to match max height.
+ float percH = ((maxHeight * 100) /
img.getImageData().height) / 100.0f;
+
+ // Store new dimensions.
+ newWidth = (int)(img.getImageData().width * percH);
+ newHeight = maxHeight;
+
+ } // if(newHeight > maxHeight)
+
+ // Return a new, scaled image.
+ return new Image( null, img.getImageData().scaledTo(newWidth, newHeight)
);
+
+ } // createScaledImage()
+
} // public class ImageDescriberDialog extends Dialog
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- » [brailleblaster] [brailleblaster.newdesign] push by RandomCh...@xxxxxxxxx - Some Next button code and createScaledImage() on 2013-07-31 17:55 GMT - brailleblaster
