Attachment 75089 Details for Bug 160572 – crop picture aspect

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[patch] crop picture aspect

160572-crop-aspect.txt (text/plain), 11.16 KB, created by Balazs Brinkus

on 2007-07-31 20:56:27 EDT

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Creator: Balazs Brinkus

Created: 2007-07-31 20:56:27 EDT

Size: 11.16 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.mylyn.tasks.ui
>Index: src/org/eclipse/mylyn/internal/tasks/ui/wizards/ScreenShotAttachmentPage.java
>===================================================================
>RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/wizards/ScreenShotAttachmentPage.java,v
>retrieving revision 1.1
>diff -u -r1.1 ScreenShotAttachmentPage.java
>--- src/org/eclipse/mylyn/internal/tasks/ui/wizards/ScreenShotAttachmentPage.java	6 Jul 2007 18:50:44 -0000	1.1
>+++ src/org/eclipse/mylyn/internal/tasks/ui/wizards/ScreenShotAttachmentPage.java	1 Aug 2007 00:48:52 -0000
>@@ -14,16 +14,18 @@
> import org.eclipse.mylyn.internal.tasks.core.LocalAttachment;
> import org.eclipse.swt.SWT;
> import org.eclipse.swt.custom.ScrolledComposite;
>+import org.eclipse.swt.events.MouseEvent;
>+import org.eclipse.swt.events.MouseListener;
>+import org.eclipse.swt.events.MouseMoveListener;
> import org.eclipse.swt.events.PaintEvent;
> import org.eclipse.swt.events.PaintListener;
> import org.eclipse.swt.events.SelectionEvent;
> import org.eclipse.swt.events.SelectionListener;
>+import org.eclipse.swt.graphics.Cursor;
> import org.eclipse.swt.graphics.GC;
> import org.eclipse.swt.graphics.Image;
> import org.eclipse.swt.graphics.Point;
> import org.eclipse.swt.graphics.Rectangle;
>-import org.eclipse.swt.layout.FillLayout;
>-import org.eclipse.swt.layout.GridData;
> import org.eclipse.swt.layout.GridLayout;
> import org.eclipse.swt.widgets.Button;
> import org.eclipse.swt.widgets.Canvas;
>@@ -44,12 +46,14 @@
> 
> 	private Button makeShotButton;
> 
>-	private Button showShotButton;
>+	private Button cropShotButton;
> 
> 	private Image screenshotImage;
> 
> 	private Canvas canvas;
> 
>+	private ScrolledComposite scrolledComposite;
>+
> 	protected ScreenShotAttachmentPage(LocalAttachment attachment) {
> 		super("ScreenShotAttachment");
> 		setTitle("Create a screenshot");
>@@ -58,23 +62,21 @@
> 	}
> 
> 	public void createControl(Composite parent) {
>+
> 		Composite composite = new Composite(parent, SWT.NONE);
>-		GridLayout gridLayout = new GridLayout();
>-		gridLayout.numColumns = 2;
>-		composite.setLayout(gridLayout);
>+		composite.setLayout(new GridLayout());
> 		setControl(composite);
> 
>-		composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
>-		composite.setLayout(new GridLayout(3, false));
>-
>-		makeShotButton = new Button(composite, SWT.PUSH);
>-		makeShotButton.setText("Take a screenshot");
>+		Composite buttonsComposite = new Composite(composite, SWT.NONE);
>+		buttonsComposite.setLayout(new GridLayout(2, false));
>+		makeShotButton = new Button(buttonsComposite, SWT.PUSH);
>+		makeShotButton.setText("Capture full screen");
> 		makeShotButton.addSelectionListener(new SelectionListener() {
> 
> 			public void widgetSelected(SelectionEvent e) {
> 				storeScreenshotContent();
> 				page.setErrorMessage(null);
>-				showShotButton.setEnabled(true);
>+				cropShotButton.setEnabled(true);
> 			}
> 
> 			public void widgetDefaultSelected(SelectionEvent e) {
>@@ -82,36 +84,35 @@
> 
> 		});
> 
>-		showShotButton = new Button(composite, SWT.PUSH);
>-		showShotButton.setText("Show the screenshot");
>-		showShotButton.addSelectionListener(new SelectionListener() {
>+		cropShotButton = new Button(buttonsComposite, SWT.PUSH);
>+		cropShotButton.setText("Crop a region");
>+		cropShotButton.addSelectionListener(new SelectionListener() {
> 
> 			public void widgetSelected(SelectionEvent e) {
>-				showScreenshotContent();
>+				cropScreenshotContent();
> 			}
> 
> 			public void widgetDefaultSelected(SelectionEvent e) {
> 			}
> 
> 		});
>+		cropShotButton.setEnabled(false);
> 
>-		canvas = new Canvas(composite, SWT.BORDER);
>-		canvas.setLayoutData(GridDataFactory.fillDefaults()
>+		scrolledComposite = new ScrolledComposite(composite, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER);
>+		scrolledComposite.setLayoutData(GridDataFactory.fillDefaults()
> 				.align(SWT.FILL, SWT.FILL)
> 				.grab(true, true)
>-				.span(2, 1)
> 				.create());
> 
>+		canvas = new Canvas(scrolledComposite, SWT.DOUBLE_BUFFERED | SWT.NONE);
>+		scrolledComposite.setContent(canvas);
> 		canvas.addPaintListener(new PaintListener() {
> 			public void paintControl(PaintEvent e) {
> 				if (screenshotImage != null) {
>-					Rectangle screenBounds = screenshotImage.getBounds();
>-					Rectangle canvasBounds = canvas.getBounds();
>-					e.gc.drawImage(screenshotImage, 0, 0, screenBounds.width, screenBounds.height, 0, 0,
>-							canvasBounds.width, canvasBounds.height);
>+					e.gc.drawImage(screenshotImage, 0, 0);
> 				} else {
> 					page.setErrorMessage("Screenshot required");
>-					showShotButton.setEnabled(false);
>+					cropShotButton.setEnabled(false);
> 				}
> 			}
> 		});
>@@ -148,9 +149,13 @@
> 		display.asyncExec(new Runnable() {
> 			public void run() {
> 				GC gc = new GC(display);
>-				screenshotImage = new Image(display, display.getBounds());
>+				Rectangle displayBounds = display.getBounds();
>+				screenshotImage = new Image(display, displayBounds);
> 				gc.copyArea(screenshotImage, 0, 0);
>+				gc.drawRectangle(0, 0, displayBounds.width - 1, displayBounds.height - 1);
> 				gc.dispose();
>+				canvas.setBounds(screenshotImage.getBounds());
>+				scrolledComposite.redraw();
> 				canvas.redraw();
> 				wizardShell.setVisible(true);
> 				if (screenshotImage != null)
>@@ -159,34 +164,160 @@
> 		});
> 	}
> 
>-	private void showScreenshotContent() {
>-		Display display = Display.getDefault();
>+	private void cropScreenshotContent() {
>+
>+		final Point downPoint = new Point(-1, -1);
>+		final Rectangle newImageBounds = new Rectangle(-1, -1, -1, -1);
> 
>-		Shell popup = new Shell(display.getActiveShell(), SWT.SHELL_TRIM);
>-		popup.setLayout(new FillLayout());
>-		popup.setText("Screenshot Image");
>+		final Display display = Display.getDefault();
>+		final Rectangle displayBounds = display.getBounds();
>+
>+		final Shell popup = new Shell(display.getActiveShell(), SWT.SHELL_TRIM);
>+		popup.setLayout(new GridLayout());
>+		popup.setText("Crop a region of the screenshot");
> 
>-		Rectangle displayBounds = Display.getDefault().getBounds();
> 		Point dialogSize = new Point(0, 0);
>-		dialogSize.x = displayBounds.width / 2;
>-		dialogSize.y = displayBounds.height / 2;
>+		dialogSize.x = displayBounds.width - 100;
>+		dialogSize.y = displayBounds.height - 100;
> 		Point dialoglocation = new Point(0, 0);
> 		dialoglocation.x = displayBounds.x + displayBounds.width / 2 - dialogSize.x / 2;
> 		dialoglocation.y = displayBounds.y + displayBounds.height / 2 - dialogSize.y / 2;
> 		popup.setSize(dialogSize);
> 		popup.setLocation(dialoglocation);
> 
>-		ScrolledComposite sc = new ScrolledComposite(popup, SWT.V_SCROLL | SWT.H_SCROLL);
>-		Canvas canvas = new Canvas(sc, SWT.NONE);
>-		sc.setContent(canvas);
>-		canvas.setBounds(display.getBounds());
>-		canvas.addPaintListener(new PaintListener() {
>+		final Rectangle originalBounds = screenshotImage.getBounds();
>+		final Image bufferedImage = new Image(display, originalBounds);
>+		GC gc = new GC(bufferedImage);
>+		gc.setBackground(popup.getBackground());
>+		gc.fillRectangle(originalBounds);
>+		gc.drawImage(screenshotImage, 0, 0);
>+		gc.dispose();
>+
>+		Composite bc = new Composite(popup, SWT.NONE);
>+		bc.setLayout(new GridLayout(2, false));
>+
>+		final Button saveButton = new Button(bc, SWT.PUSH);
>+		saveButton.setText("Save");
>+		saveButton.addSelectionListener(new SelectionListener() {
>+			public void widgetSelected(SelectionEvent e) {
>+				if (newImageBounds.x != -1 && newImageBounds.y != -1) {
>+					screenshotImage = new Image(display, newImageBounds);
>+					GC drawGc = new GC(screenshotImage);
>+					drawGc.drawImage(bufferedImage, newImageBounds.x, newImageBounds.y, newImageBounds.width,
>+							newImageBounds.height, 0, 0, newImageBounds.width, newImageBounds.height);
>+					drawGc.drawRectangle(0, 0, newImageBounds.width - 1, newImageBounds.height - 1);
>+					drawGc.dispose();
>+					canvas.setBounds(screenshotImage.getBounds());
>+					scrolledComposite.redraw();
>+					canvas.redraw();
>+					popup.close();
>+				}
>+			}
>+
>+			public void widgetDefaultSelected(SelectionEvent e) {
>+				// ignore		
>+			}
>+		});
>+		saveButton.setEnabled(false);
>+
>+		final Button cancelButton = new Button(bc, SWT.PUSH);
>+		cancelButton.setText("Cancel");
>+		cancelButton.addSelectionListener(new SelectionListener() {
>+			public void widgetSelected(SelectionEvent e) {
>+				popup.close();
>+			}
>+
>+			public void widgetDefaultSelected(SelectionEvent e) {
>+				// ignore		
>+			}
>+		});
>+
>+		final ScrolledComposite sc = new ScrolledComposite(popup, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER);
>+		sc.setLayoutData(GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).create());
>+		final Canvas scCanvas = new Canvas(sc, SWT.DOUBLE_BUFFERED | SWT.NONE);
>+		scCanvas.setBounds(originalBounds);
>+		scCanvas.addPaintListener(new PaintListener() {
> 			public void paintControl(PaintEvent e) {
> 				if (screenshotImage != null)
>-					e.gc.drawImage(screenshotImage, 0, 0);
>+					e.gc.drawImage(bufferedImage, 0, 0);
> 			}
> 		});
>+		sc.setContent(scCanvas);
>+
>+		final GC selectionGc = new GC(scCanvas);
>+
>+		final MouseMoveListener mouseMoveListener = new MouseMoveListener() {
>+			public void mouseMove(MouseEvent e) {
>+				if (downPoint.x != -1 && downPoint.y != -1) {
>+					int width = e.x - downPoint.x;
>+					int height = e.y - downPoint.y;
>+					scCanvas.redraw();
>+					selectionGc.drawRectangle(downPoint.x, downPoint.y, width, height);
>+				}
>+			}
>+		};
>+
>+		final MouseListener mouseListener = new MouseListener() {
>+			public void mouseUp(MouseEvent e) {
>+				if (downPoint.x != -1 && downPoint.y != -1) {
>+
>+					int width;
>+					if (e.x > originalBounds.width) {
>+						width = originalBounds.width - downPoint.x;
>+					} else if (e.x < 0) {
>+						width = downPoint.x;
>+						downPoint.x = 0;
>+					} else {
>+						width = e.x - downPoint.x;
>+					}
>+
>+					int height;
>+					if (e.y > originalBounds.height) {
>+						height = originalBounds.height - downPoint.y;
>+					} else if (e.y < 0) {
>+						height = downPoint.y;
>+						downPoint.y = 0;
>+					} else {
>+						height = e.y - downPoint.y;
>+					}
>+
>+					display.getActiveShell().setCursor(new Cursor(null, SWT.CURSOR_ARROW));
>+
>+					selectionGc.drawRectangle(downPoint.x, downPoint.y, width, height);
>+
>+					newImageBounds.x = downPoint.x;
>+					newImageBounds.y = downPoint.y;
>+					newImageBounds.width = width;
>+					newImageBounds.height = height;
>+
>+					sc.removeMouseMoveListener(mouseMoveListener);
>+					sc.removeMouseListener(this);
>+					downPoint.x = -1;
>+					downPoint.y = -1;
>+
>+					saveButton.setEnabled(true);
>+				}
>+			}
>+
>+			public void mouseDown(MouseEvent e) {
>+				if (downPoint.x == -1 && downPoint.y == -1) {
>+					display.getActiveShell().setCursor(new Cursor(null, SWT.CURSOR_CROSS));
>+					downPoint.x = e.x;
>+					downPoint.y = e.y;
>+					selectionGc.setLineStyle(SWT.LINE_DASH);
>+					scCanvas.addMouseMoveListener(mouseMoveListener);
>+				}
>+			}
>+
>+			public void mouseDoubleClick(MouseEvent e) {
>+				// ignore
>+			}
>+		};
>+
>+		scCanvas.addMouseListener(mouseListener);
>+
> 		popup.open();
>+
> 	}
> 
> 	public Image getScreenshotImage() {

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Attachments on bug 160572: 72353 | 72354 | 72683 | 74874 | 75088 | 75089 | 75449 | 75450 | 75466 | 75467 | 75931 | 76061 | 76356 | 76357 | 77091