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Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/widgets/ImageCanvas.java')
-rw-r--r--eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/widgets/ImageCanvas.java250
1 files changed, 0 insertions, 250 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/widgets/ImageCanvas.java b/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/widgets/ImageCanvas.java
deleted file mode 100644
index 23baf1739..000000000
--- a/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/widgets/ImageCanvas.java
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.ide.eclipse.gltrace.widgets;
-
-import com.android.ide.eclipse.gltrace.GlTracePlugin;
-
-import org.eclipse.core.runtime.Status;
-import org.eclipse.jface.dialogs.ErrorDialog;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.graphics.Color;
-import org.eclipse.swt.graphics.GC;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.ImageData;
-import org.eclipse.swt.graphics.ImageLoader;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.graphics.Rectangle;
-import org.eclipse.swt.widgets.Canvas;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Event;
-import org.eclipse.swt.widgets.Listener;
-import org.eclipse.swt.widgets.ScrollBar;
-
-import java.io.File;
-
-public class ImageCanvas extends Canvas {
- private static final int SCROLLBAR_INCREMENT = 20;
-
- private Point mOrigin;
-
- private ScrollBar mHorizontalScrollBar;
- private ScrollBar mVerticalScrollBar;
-
- private Image mImage;
- private boolean mFitToCanvas;
-
- public ImageCanvas(Composite parent) {
- super(parent, SWT.NO_BACKGROUND | SWT.V_SCROLL | SWT.H_SCROLL);
- mOrigin = new Point(0, 0);
-
- mHorizontalScrollBar = getHorizontalBar();
- mVerticalScrollBar = getVerticalBar();
-
- mFitToCanvas = true;
-
- setScrollBarIncrements();
- setScrollBarPageIncrements(getClientArea());
-
- updateScrollBars();
-
- SelectionListener scrollBarSelectionListener = new SelectionAdapter() {
- @Override
- public void widgetSelected(SelectionEvent e) {
- if (e.getSource() == mHorizontalScrollBar) {
- scrollHorizontally();
- } else {
- scrollVertically();
- }
- }
- };
-
- mHorizontalScrollBar.addSelectionListener(scrollBarSelectionListener);
- mVerticalScrollBar.addSelectionListener(scrollBarSelectionListener);
-
- addListener(SWT.Resize, new Listener() {
- @Override
- public void handleEvent(Event e) {
- setScrollBarPageIncrements(getClientArea());
- updateScrollBars();
- }
- });
-
- addListener(SWT.Paint, new Listener() {
- @Override
- public void handleEvent(Event e) {
- paintCanvas(e.gc);
- }
- });
- }
-
- public void setFitToCanvas(boolean en) {
- mFitToCanvas = en;
- updateScrollBars();
- redraw();
- }
-
- public void setImage(Image image) {
- if (mImage != null) {
- mImage.dispose();
- }
-
- mImage = image;
- mOrigin = new Point(0, 0);
- updateScrollBars();
- redraw();
- }
-
- private void updateScrollBars() {
- Rectangle client = getClientArea();
-
- int imageWidth, imageHeight;
- if (mImage != null & !mFitToCanvas) {
- imageWidth = mImage.getBounds().width;
- imageHeight = mImage.getBounds().height;
- } else {
- imageWidth = client.width;
- imageHeight = client.height;
- }
-
- mHorizontalScrollBar.setMaximum(imageWidth);
- mVerticalScrollBar.setMaximum(imageHeight);
- mHorizontalScrollBar.setThumb(Math.min(imageWidth, client.width));
- mVerticalScrollBar.setThumb(Math.min(imageHeight, client.height));
-
- int hPage = imageWidth - client.width;
- int vPage = imageHeight - client.height;
- int hSelection = mHorizontalScrollBar.getSelection();
- int vSelection = mVerticalScrollBar.getSelection();
- if (hSelection >= hPage) {
- if (hPage <= 0) {
- hSelection = 0;
- }
- mOrigin.x = -hSelection;
- }
-
- if (vSelection >= vPage) {
- if (vPage <= 0) {
- vSelection = 0;
- }
- mOrigin.y = -vSelection;
- }
-
- redraw();
- }
-
- private void setScrollBarPageIncrements(Rectangle clientArea) {
- mHorizontalScrollBar.setPageIncrement(clientArea.width);
- mVerticalScrollBar.setPageIncrement(clientArea.height);
- }
-
- private void setScrollBarIncrements() {
- // The default increment is 1 pixel. Assign a saner default.
- mHorizontalScrollBar.setIncrement(SCROLLBAR_INCREMENT);
- mVerticalScrollBar.setIncrement(SCROLLBAR_INCREMENT);
- }
-
- private void scrollHorizontally() {
- if (mImage == null) {
- return;
- }
-
- int selection = mHorizontalScrollBar.getSelection();
- int destX = -selection - mOrigin.x;
- Rectangle imageBounds = mImage.getBounds();
- scroll(destX, 0, 0, 0, imageBounds.width, imageBounds.height, false);
- mOrigin.x = -selection;
- }
-
- private void scrollVertically() {
- if (mImage == null) {
- return;
- }
-
- int selection = mVerticalScrollBar.getSelection();
- int destY = -selection - mOrigin.y;
- Rectangle imageBounds = mImage.getBounds();
- scroll(0, destY, 0, 0, imageBounds.width, imageBounds.height, false);
- mOrigin.y = -selection;
- }
-
- private void paintCanvas(GC gc) {
- gc.fillRectangle(getClientArea()); // clear entire client area
- if (mImage == null) {
- return;
- }
-
- Rectangle rect = mImage.getBounds();
- Rectangle client = getClientArea();
-
- if (mFitToCanvas && rect.width > 0 && rect.height > 0) {
- double sx = (double) client.width / (double) rect.width;
- double sy = (double) client.height / (double) rect.height;
-
- if (sx < sy) {
- // if we need to scale more horizontally, then reduce the client height
- // appropriately so that aspect ratios are maintained
- gc.drawImage(mImage,
- 0, 0, rect.width, rect.height,
- 0, 0, client.width, (int)(rect.height * sx));
- drawBorder(gc, 0, 0, client.width, (int)(rect.height * sx));
- } else {
- // scale client width to maintain aspect ratio
- gc.drawImage(mImage,
- 0, 0, rect.width, rect.height,
- 0, 0, (int)(rect.width * sy), client.height);
- drawBorder(gc, 0, 0, (int)(rect.width * sy), client.height);
- }
- } else {
- gc.drawImage(mImage, mOrigin.x, mOrigin.y);
- drawBorder(gc, mOrigin.x, mOrigin.y, rect.width, rect.height);
- }
- }
-
- private void drawBorder(GC gc, int x, int y, int width, int height) {
- Color origFg = gc.getForeground();
- gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW));
- gc.drawRectangle(x, y, width, height);
- gc.setForeground(origFg);
- }
-
- @Override
- public void dispose() {
- if (mImage != null && !mImage.isDisposed()) {
- mImage.dispose();
- }
- }
-
- public void exportImageTo(File file) {
- if (mImage == null || file == null) {
- return;
- }
-
- ImageLoader imageLoader = new ImageLoader();
- imageLoader.data = new ImageData[] { mImage.getImageData() };
-
- try {
- imageLoader.save(file.getAbsolutePath(), SWT.IMAGE_PNG);
- } catch (Exception e) {
- ErrorDialog.openError(getShell(), "Save Image", "Error saving image",
- new Status(Status.ERROR, GlTracePlugin.PLUGIN_ID, e.toString()));
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-10 20:16:35 +0000