diff snippets/cursor/Snippet119.d @ 119:9a1be6ff19a2

More snippets, thanks to Tom D.
author Frank Benoit <benoit@tionex.de>
date Sun, 20 Jul 2008 15:26:06 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/snippets/cursor/Snippet119.d	Sun Jul 20 15:26:06 2008 +0200
@@ -0,0 +1,133 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * D Port:
+ *     Thomas Demmer <t_demmer AT web DOT de>
+ *******************************************************************************/
+module cursor.Snippet119;
+
+/*
+ * Cursor example snippet: create a color cursor from a source and a mask
+ *
+ * For a list of all DWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ *
+ * @since 3.0
+ */
+import dwt.DWT;
+import dwt.events.PaintListener;
+import dwt.graphics.Color;
+import dwt.graphics.Cursor;
+import dwt.graphics.GC;
+import dwt.graphics.Image;
+import dwt.graphics.ImageData;
+import dwt.graphics.PaletteData;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+
+import dwt.dwthelper.utils;
+
+
+
+static byte[] srcData = [
+        cast(byte)0x11, cast(byte)0x11, cast(byte)0x11, cast(byte)0x00, cast(byte)0x00, cast(byte)0x11, cast(byte)0x11, cast(byte)0x11,
+        cast(byte)0x11, cast(byte)0x10, cast(byte)0x00, cast(byte)0x01, cast(byte)0x10, cast(byte)0x00, cast(byte)0x01, cast(byte)0x11,
+        cast(byte)0x11, cast(byte)0x00, cast(byte)0x22, cast(byte)0x01, cast(byte)0x10, cast(byte)0x33, cast(byte)0x00, cast(byte)0x11,
+        cast(byte)0x10, cast(byte)0x02, cast(byte)0x22, cast(byte)0x01, cast(byte)0x10, cast(byte)0x33, cast(byte)0x30, cast(byte)0x01,
+        cast(byte)0x10, cast(byte)0x22, cast(byte)0x22, cast(byte)0x01, cast(byte)0x10, cast(byte)0x33, cast(byte)0x33, cast(byte)0x01,
+        cast(byte)0x10, cast(byte)0x22, cast(byte)0x22, cast(byte)0x01, cast(byte)0x10, cast(byte)0x33, cast(byte)0x33, cast(byte)0x01,
+        cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00,
+        cast(byte)0x01, cast(byte)0x11, cast(byte)0x11, cast(byte)0x01, cast(byte)0x10, cast(byte)0x11, cast(byte)0x11, cast(byte)0x10,
+        cast(byte)0x01, cast(byte)0x11, cast(byte)0x11, cast(byte)0x01, cast(byte)0x10, cast(byte)0x11, cast(byte)0x11, cast(byte)0x10,
+        cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00, cast(byte)0x00,
+        cast(byte)0x10, cast(byte)0x44, cast(byte)0x44, cast(byte)0x01, cast(byte)0x10, cast(byte)0x55, cast(byte)0x55, cast(byte)0x01,
+        cast(byte)0x10, cast(byte)0x44, cast(byte)0x44, cast(byte)0x01, cast(byte)0x10, cast(byte)0x55, cast(byte)0x55, cast(byte)0x01,
+        cast(byte)0x10, cast(byte)0x04, cast(byte)0x44, cast(byte)0x01, cast(byte)0x10, cast(byte)0x55, cast(byte)0x50, cast(byte)0x01,
+        cast(byte)0x11, cast(byte)0x00, cast(byte)0x44, cast(byte)0x01, cast(byte)0x10, cast(byte)0x55, cast(byte)0x00, cast(byte)0x11,
+        cast(byte)0x11, cast(byte)0x10, cast(byte)0x00, cast(byte)0x01, cast(byte)0x10, cast(byte)0x00, cast(byte)0x01, cast(byte)0x11,
+        cast(byte)0x11, cast(byte)0x11, cast(byte)0x11, cast(byte)0x00, cast(byte)0x00, cast(byte)0x11, cast(byte)0x11, cast(byte)0x11,
+];
+
+static byte[] mskData = [
+        cast(byte)0x03, cast(byte)0xc0,
+        cast(byte)0x1f, cast(byte)0xf8,
+        cast(byte)0x3f, cast(byte)0xfc,
+        cast(byte)0x7f, cast(byte)0xfe,
+        cast(byte)0x7f, cast(byte)0xfe,
+        cast(byte)0x7f, cast(byte)0xfe,
+        cast(byte)0xff, cast(byte)0xff,
+        cast(byte)0xfe, cast(byte)0x7f,
+        cast(byte)0xfe, cast(byte)0x7f,
+        cast(byte)0xff, cast(byte)0xff,
+        cast(byte)0x7f, cast(byte)0xfe,
+        cast(byte)0x7f, cast(byte)0xfe,
+        cast(byte)0x7f, cast(byte)0xfe,
+        cast(byte)0x3f, cast(byte)0xfc,
+        cast(byte)0x1f, cast(byte)0xf8,
+        cast(byte)0x03, cast(byte)0xc0
+];
+
+void main (String [] args) {
+    Display display = new Display();
+    Color white = display.getSystemColor (DWT.COLOR_WHITE);
+    Color black = display.getSystemColor (DWT.COLOR_BLACK);
+    Color yellow = display.getSystemColor (DWT.COLOR_YELLOW);
+    Color red = display.getSystemColor (DWT.COLOR_RED);
+    Color green = display.getSystemColor (DWT.COLOR_GREEN);
+    Color blue = display.getSystemColor (DWT.COLOR_BLUE);
+
+    //Create a source ImageData of depth 4
+    PaletteData palette = new PaletteData ([black.getRGB(), white.getRGB(), yellow.getRGB(),
+                                            red.getRGB(), blue.getRGB(), green.getRGB()]);
+    ImageData sourceData = new ImageData (16, 16, 4, palette, 1, srcData);
+
+    //Create a mask ImageData of depth 1 (monochrome)
+    palette = new PaletteData ([black.getRGB(), white.getRGB()]);
+    ImageData maskData = new ImageData (16, 16, 1, palette, 1, mskData);
+
+    //Set mask
+    sourceData.maskData = maskData.data;
+    sourceData.maskPad = maskData.scanlinePad;
+
+    //Create cursor
+    Cursor cursor = new Cursor(display, sourceData, 10, 10);
+
+    //Remove mask to draw them separately just to show what they look like
+    sourceData.maskData = null;
+    sourceData.maskPad = -1;
+
+    Shell shell = new Shell(display);
+    Image source = new Image (display,sourceData);
+    Image mask = new Image (display, maskData);
+    shell.addPaintListener(new class() PaintListener{
+        public void paintControl(PaintEvent e) {
+            GC gc = e.gc;
+            int x = 10, y = 10;
+            String stringSource = "source: ";
+            String stringMask = "mask: ";
+            gc.drawString(stringSource, x, y);
+            gc.drawString(stringMask, x, y + 30);
+            x += Math.max(gc.stringExtent(stringSource).x, gc.stringExtent(stringMask).x);
+            gc.drawImage(source, x, y);
+            gc.drawImage(mask, x, y + 30);
+        }
+    });
+    shell.setSize(150, 150);
+    shell.open();
+    shell.setCursor(cursor);
+
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch())
+            display.sleep();
+    }
+    cursor.dispose();
+    source.dispose();
+    mask.dispose();
+    display.dispose();
+}