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changeset 50:6b88d308c210

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Ports of several gc Snippets: 10,66,207,215 215 has a crash bug currently.
author Bill Baxter <bill@billbaxter.com>
date Mon, 07 Apr 2008 01:21:04 +0900
parents e1edfebec7fa
children 7bb67937cbb4
files dsss.conf dwtsnippets/gc/Snippet10.d dwtsnippets/gc/Snippet207.d dwtsnippets/gc/Snippet215.d dwtsnippets/gc/Snippet66.d
diffstat 5 files changed, 345 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/dsss.conf	Mon Apr 07 00:36:08 2008 +0900
+++ b/dsss.conf	Mon Apr 07 01:21:04 2008 +0900
@@ -39,6 +39,10 @@
 [dwtsnippets/directorydialog/Snippet33.d]
 [dwtsnippets/expandbar/Snippet223.d]
 [dwtsnippets/filedialog/Snippet72.d]
+[dwtsnippets/gc/Snippet10.d]
+[dwtsnippets/gc/Snippet66.d]
+[dwtsnippets/gc/Snippet207.d]
+[dwtsnippets/gc/Snippet215.d]
 [dwtsnippets/menu/Snippet29.d]
 [dwtsnippets/menu/Snippet97.d]
 [dwtsnippets/sash/Snippet107.d]
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtsnippets/gc/Snippet10.d	Mon Apr 07 01:21:04 2008 +0900
@@ -0,0 +1,78 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 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
+ * Port to the D programming language:
+ *     Bill Baxter <bill@billbaxter.com>
+ *******************************************************************************/
+module dwtsnippets.gc.Snippet10;
+
+/* 
+ * Draw using transformations, paths and alpha blending
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ * 
+ * @since 3.1
+ */
+import dwt.DWT;
+import dwt.graphics.GC;
+import dwt.graphics.Path;
+import dwt.graphics.Transform;
+import dwt.graphics.Font;
+import dwt.graphics.FontData;
+import dwt.graphics.Image;
+import dwt.graphics.Rectangle;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+import dwt.widgets.Listener;
+import dwt.widgets.Event;
+
+
+void main() {
+    Display display = new Display();
+    Shell shell = new Shell(display);
+    shell.setText("Advanced Graphics");
+    FontData fd = shell.getFont().getFontData()[0];
+    Font font = new Font(display, fd.getName(), 60., DWT.BOLD | DWT.ITALIC);
+    Image image = new Image(display, 640, 480);
+    Rectangle rect = image.getBounds();
+    GC gc = new GC(image);
+    gc.setBackground(display.getSystemColor(DWT.COLOR_RED));
+    gc.fillOval(rect.x, rect.y, rect.width, rect.height);
+    gc.dispose();
+    shell.addListener(DWT.Paint, new class() Listener {
+            public void handleEvent(Event event) {
+                GC gc = event.gc;               
+                Transform tr = new Transform(display);
+                tr.translate(50, 120);
+                tr.rotate(-30);
+                gc.drawImage(image, 0, 0, rect.width, rect.height, 0, 0, rect.width / 2, rect.height / 2);
+                gc.setAlpha(100);
+                gc.setTransform(tr);
+                Path path = new Path(display);
+                path.addString("DWT", 0, 0, font);
+                gc.setBackground(display.getSystemColor(DWT.COLOR_GREEN));
+                gc.setForeground(display.getSystemColor(DWT.COLOR_BLUE));
+                gc.fillPath(path);
+                gc.drawPath(path);
+                tr.dispose();
+                path.dispose();
+            }           
+        });
+    shell.setSize(shell.computeSize(rect.width / 2, rect.height / 2));
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch())
+            display.sleep();
+    }
+    image.dispose();
+    font.dispose();
+    display.dispose();
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtsnippets/gc/Snippet207.d	Mon Apr 07 01:21:04 2008 +0900
@@ -0,0 +1,129 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 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
+ * Port to the D programming language:
+ *     Bill Baxter <bill@billbaxter.com>
+ *******************************************************************************/
+module dwtsnippets.gc.Snippet207;
+
+/*
+ * Use transformation matrices to reflect, rotate and shear images
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ */
+import dwt.DWT;
+import dwt.events.PaintEvent;
+import dwt.events.PaintListener;
+import dwt.graphics.GC;
+import dwt.graphics.Transform;
+import dwt.graphics.Font;
+import dwt.graphics.Rectangle;
+import dwt.graphics.Image;
+import dwt.layout.FillLayout;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+import dwt.widgets.Canvas;
+
+import Math=tango.math.Math;
+
+void main() {
+    Display display = new Display();
+        
+    Image image = new Image(display, 110, 60);
+    GC gc = new GC(image);
+    Font font = new Font(display, "Times", 30., DWT.BOLD);
+    gc.setFont(font);
+    gc.setBackground(display.getSystemColor(DWT.COLOR_RED));
+    gc.fillRectangle(0, 0, 110, 60);
+    gc.setForeground(display.getSystemColor(DWT.COLOR_WHITE));
+    gc.drawText("DWT", 10, 10, true);
+    font.dispose();
+    gc.dispose();
+        
+    Rectangle rect = image.getBounds();
+    Shell shell = new Shell(display);
+    shell.setText("Matrix Tranformations");
+    shell.setLayout(new FillLayout());
+    Canvas canvas = new Canvas(shell, DWT.DOUBLE_BUFFERED);
+    canvas.addPaintListener(new class() PaintListener {
+            public void paintControl(PaintEvent e) {    
+                GC gc = e.gc;
+                gc.setAdvanced(true);
+                if (!gc.getAdvanced()){
+                    gc.drawText("Advanced graphics not supported", 30, 30, true);
+                    return;
+                }
+                
+                // Original image
+                int x = 30, y = 30;
+                gc.drawImage(image, x, y); 
+                x += rect.width + 30;
+                
+                Transform transform = new Transform(display);
+                
+                // Note that the tranform is applied to the whole GC therefore
+                // the coordinates need to be adjusted too.
+                
+                // Reflect around the y axis.
+                transform.setElements(-1, 0, 0, 1, 0 ,0);
+                gc.setTransform(transform);
+                gc.drawImage(image, -1*x-rect.width, y);
+                
+                x = 30; y += rect.height + 30;
+                
+                // Reflect around the x axis. 
+                transform.setElements(1, 0, 0, -1, 0, 0);
+                gc.setTransform(transform);
+                gc.drawImage(image, x, -1*y-rect.height);
+                
+                x += rect.width + 30;
+                
+                // Reflect around the x and y axes  
+                transform.setElements(-1, 0, 0, -1, 0, 0);
+                gc.setTransform(transform);
+                gc.drawImage(image, -1*x-rect.width, -1*y-rect.height);
+                
+                x = 30; y += rect.height + 30;
+                
+                // Shear in the x-direction
+                transform.setElements(1, 0, -1, 1, 0, 0);
+                gc.setTransform(transform);
+                gc.drawImage(image, 300, y);
+                
+                // Shear in y-direction
+                transform.setElements(1, -1, 0, 1, 0, 0);
+                gc.setTransform(transform);
+                gc.drawImage(image, 150, 475);
+                
+                // Rotate by 45 degrees 
+                float cos45 = Math.cos(45);
+                float sin45 = Math.sin(45);
+                transform.setElements(cos45, sin45, -sin45, cos45, 0, 0);
+                gc.setTransform(transform);
+                gc.drawImage(image, 350, 100);
+                
+                transform.dispose();
+            }
+        });
+        
+    shell.setSize(350, 550);
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch())
+            display.sleep();
+    }
+    image.dispose();
+    display.dispose();
+}
+
+    
+
+
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtsnippets/gc/Snippet215.d	Mon Apr 07 01:21:04 2008 +0900
@@ -0,0 +1,78 @@
+/*******************************************************************************
+ * 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
+ * Port to the D programming language:
+ *     Bill Baxter <bill@billbaxter.com>
+ *******************************************************************************/
+module dwtsnippets.gc.Snippet215;
+ 
+/*
+ * GC example snippet: take a screen shot with a GC
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ */
+import dwt.DWT;
+import dwt.graphics.GC;
+import dwt.graphics.Image;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+import dwt.widgets.Listener;
+import dwt.widgets.Event;
+import dwt.widgets.Button;
+import dwt.widgets.Canvas;
+import dwt.custom.ScrolledComposite;
+import dwt.layout.FillLayout;
+import dwt.events.PaintListener;
+
+void main() {
+    final Display display = new Display();
+    final Shell shell = new Shell(display);
+    shell.setLayout(new FillLayout());
+    Button button = new Button(shell, DWT.PUSH);
+    button.setText("Capture");
+    button.addListener(DWT.Selection, new class() Listener {
+        public void handleEvent(Event event) {
+            
+            /* Take the screen shot */
+            GC gc = new GC(display);
+            final Image image = new Image(display, display.getBounds());
+            gc.copyArea(image, 0, 0);
+            gc.dispose();
+            
+            Shell popup = new Shell(shell, DWT.SHELL_TRIM);
+            popup.setLayout(new FillLayout());
+            popup.setText("Image");
+            popup.setBounds(50, 50, 200, 200);
+            popup.addListener(DWT.Close, new class() Listener {
+                    public void handleEvent(Event e) {
+                        image.dispose();
+                    }
+                });
+            
+            ScrolledComposite sc = new ScrolledComposite (popup, DWT.V_SCROLL | DWT.H_SCROLL);
+            Canvas canvas = new Canvas(sc, DWT.NONE);
+            sc.setContent(canvas);
+            canvas.setBounds(display.getBounds ());
+            canvas.addPaintListener(new class() PaintListener {
+                    public void paintControl(PaintEvent e) {
+                        e.gc.drawImage(image, 0, 0);
+                    }
+                });
+            popup.open();
+        }
+    });
+    shell.pack();
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch()) display.sleep();
+    }
+    display.dispose();
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtsnippets/gc/Snippet66.d	Mon Apr 07 01:21:04 2008 +0900
@@ -0,0 +1,56 @@
+/*******************************************************************************
+ * 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
+ * Port to the D programming language:
+ *     Bill Baxter <bill@billbaxter.com>
+ *******************************************************************************/
+module dwtsnippets.gc.Snippet66;
+
+/*
+ * GC example snippet: implement a simple scribble program
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ */
+import dwt.DWT;
+import dwt.graphics.GC;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+import dwt.widgets.Listener;
+import dwt.widgets.Event;
+
+void main () {
+    Display display = new Display ();
+    final Shell shell = new Shell (display);
+    Listener listener = new class() Listener {
+        int lastX = 0, lastY = 0;
+        public void handleEvent (Event event) {
+            switch (event.type) {
+            case DWT.MouseMove:
+                if ((event.stateMask & DWT.BUTTON1) == 0) break;
+                GC gc = new GC (shell);
+                gc.drawLine (lastX, lastY, event.x, event.y);
+                gc.dispose ();
+                //FALL THROUGH
+            case DWT.MouseDown:
+                lastX = event.x;
+                lastY = event.y;
+                break;
+            }
+        }
+    };
+    shell.addListener (DWT.MouseDown, listener);
+    shell.addListener (DWT.MouseMove, listener);
+    shell.open ();
+    while (!shell.isDisposed ()) {
+        if (!display.readAndDispatch ()) display.sleep ();
+    }
+    display.dispose ();
+}
+