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Java Image.addLoadHandler方法代码示例

本文整理汇总了Java中com.google.gwt.user.client.ui.Image.addLoadHandler方法的典型用法代码示例。如果您正苦于以下问题：Java Image.addLoadHandler方法的具体用法？Java Image.addLoadHandler怎么用？Java Image.addLoadHandler使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.google.gwt.user.client.ui.Image的用法示例。


在下文中一共展示了Image.addLoadHandler方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: loadImage

import com.google.gwt.user.client.ui.Image; //导入方法依赖的package包/类
/**
         * Shows a resource as the {@code <img>} element.
         */
        public void loadImage(String url) {
            ClientUtils.setMembers(display, imgContainer);
            image = new Image();
            image.addLoadHandler(this);
            image.addErrorHandler(this);
            image.setUrl(url);
            drawHandler = imgContainer.addDrawHandler(this);
            resizedHandler = imgContainer.addResizedHandler(this);
            ClientUtils.fine(LOG, "loadImage url: %s, width: %s", url, image.getWidth());
            if (image.getWidth() == 0) {
                WidgetCanvas widgetCanvas = new WidgetCanvas(image);
                widgetCanvas.setVisible(false);
                widgetCanvas.setWidth(1);
                widgetCanvas.setHeight(1);
                widgetCanvas.draw();
                Img loadingImg = new Img("[SKIN]/loadingSmall.gif", 16, 16);
//                Img loadingImg = new Img("[SKIN]/shared/progressCursorTracker.gif", 16, 16);
                loadingImg.setAltText(i18n.ImportBatchDataSource_State_LOADING());
                loadingImg.setPrompt(i18n.ImportBatchDataSource_State_LOADING());
                loadingImg.setLayoutAlign(Alignment.CENTER);
                imgContainer.setMembers(loadingImg, widgetCanvas);
            }
            scheduleForRender();
        }
开发者ID:proarc，项目名称:proarc，代码行数:28，代码来源:DigitalObjectPreview.java

示例2: handleDoubleClick

import com.google.gwt.user.client.ui.Image; //导入方法依赖的package包/类
protected void handleDoubleClick(TableData.Row row) {
    VerticalPanel vp = new VerticalPanel();
    final Image previewImage = new Image(getFullSizeUrl(row));
    final HTML caption = new HTML(getPopUpCaption(row));
    String title = getThumbnailDesc(row).replace("<em>", "").replace("</em>", "");

    caption.setWidth("320px");

    previewImage.addLoadHandler(new LoadHandler() {
        public void onLoad(LoadEvent ev) {
            caption.setWidth(previewImage.getWidth() + "px");
        }
    });
    GwtUtil.setStyle(vp, "margin", "8px");

    vp.setCellHorizontalAlignment(previewImage, HasHorizontalAlignment.ALIGN_CENTER);
    vp.setCellVerticalAlignment(previewImage, HasVerticalAlignment.ALIGN_MIDDLE);
    vp.add(previewImage);
    vp.add(caption);

    PopupPane popupPane = new PopupPane(title, vp, PopupType.STANDARD, false, false);

    popupPane.show();
}
开发者ID:lsst，项目名称:firefly，代码行数:25，代码来源:BasicImageGrid.java

示例3: createTextureFromBytes

import com.google.gwt.user.client.ui.Image; //导入方法依赖的package包/类
/**
 * Creates texture region from byte[].
 * <p>
 * GWT platform requires additional step (as far as i know) to deal with Pixmap. It is need to load Image element
 * and wait until it is loaded.
 *
 * @param bytes    Image byte[] representation, not null
 * @param consumer Consumer where you should deal with region, not null
 */
public static void createTextureFromBytes(byte[] bytes, final Consumer<TextureRegion> consumer)
{
    String base64 = "data:image/png;base64," + new String(Base64Coder.encode(bytes));
    final Image image = new Image();
    image.setVisible(false);
    image.addLoadHandler(new LoadHandler()
    {
        @Override
        public void onLoad(LoadEvent event)
        {
            ImageElement imageElement = image.getElement().cast();
            Pixmap pixmap = new Pixmap(imageElement);
            Gdx.app.log("ImageHelper", "pixmap: " + pixmap.getWidth() + "/" + pixmap.getHeight());
            final int orgWidth = pixmap.getWidth();
            final int orgHeight = pixmap.getHeight();
            int width = MathUtils.nextPowerOfTwo(orgWidth);
            int height = MathUtils.nextPowerOfTwo(orgHeight);
            final Pixmap potPixmap = new Pixmap(width, height, pixmap.getFormat());
            potPixmap.drawPixmap(pixmap, 0, 0, 0, 0, pixmap.getWidth(), pixmap.getHeight());
            pixmap.dispose();
            TextureRegion region = new TextureRegion(new Texture(potPixmap), 0, 0, orgWidth, orgHeight);
            potPixmap.dispose();
            RootPanel.get().remove(image);
            consumer.accept(region);
        }
    });
    image.setUrl(base64);
    RootPanel.get().add(image);
}
开发者ID:mk-5，项目名称:gdx-fireapp，代码行数:39，代码来源:ImageHelper.java

示例4: createImageDialog

import com.google.gwt.user.client.ui.Image; //导入方法依赖的package包/类
/**
 * Enlarges image on page
 */
private static void createImageDialog(String img) {
  // Create the UI elements of the DialogBox
  final DialogBox dialogBox = new DialogBox(true, true); // DialogBox(autohide, modal)
  dialogBox.setStylePrimaryName("ode-DialogBox");
  dialogBox.setGlassEnabled(true);
  dialogBox.setAnimationEnabled(true);
  VerticalPanel DialogBoxContents = new VerticalPanel();
  FlowPanel holder = new FlowPanel();
  Button ok = new Button("Close");
  ok.addClickListener(new ClickListener() {
      public void onClick(Widget sender) {
        dialogBox.hide();
      }
    });
  ok.setStyleName("DialogBox-button");

  // Adds Image
  Image image = new Image(img);
  image.addLoadHandler(new LoadHandler() {
      public void onLoad(LoadEvent evt) {
        dialogBox.center();
      }
    });

  image.setStyleName("DialogBox-image");
  holder.add(ok);
  DialogBoxContents.add(image);
  DialogBoxContents.add(holder);
  dialogBox.setWidget(DialogBoxContents);
  dialogBox.center();
  dialogBox.show();
}
开发者ID:mit-cml，项目名称:appinventor-extensions，代码行数:36，代码来源:TutorialPanel.java

示例5: ImageContainer

import com.google.gwt.user.client.ui.Image; //导入方法依赖的package包/类
public ImageContainer(String imageUrl, boolean isSecure) {
	image = new Image(imageUrl);
	//this.loadedCallbacks.add(loadedCallback);
	image.addLoadHandler(this);
	image.addErrorHandler(this);
	image.setVisible(false);
	
	if (!image.getUrl().equalsIgnoreCase("")) {
		Image.prefetch(image.getUrl());
		// Add image to Root Panel so that loaded callback gets fired if image does exist
		RootPanel.get().add(image);
	}
}
开发者ID:openremote，项目名称:WebConsole，代码行数:14，代码来源:ImageContainer.java

示例6: getMap

import com.google.gwt.user.client.ui.Image; //导入方法依赖的package包/类
private void getMap() {
	// canvas size in px
    final int width = 1121;
    final int height = 2585;
    
       // get the 2D rendering context
       context = mapCanvas.getContext2d();

       // initialize the canvas
       mapCanvas.setWidth(width + "px");
       mapCanvas.setHeight(height + "px");
       mapCanvas.setPixelSize(width, height);
       mapCanvas.setCoordinateSpaceWidth(width);
       mapCanvas.setCoordinateSpaceHeight(height);
       
       container.setWidth(width + "px");
              
       final Image seattleImage = new Image(Resources.INSTANCE.seattleArea());
       seattleImage.addLoadHandler(new LoadHandler() {

		@Override
		public void onLoad(LoadEvent event) {
               ImageElement imageElement = seattleImage.getElement().cast();
               context.drawImage(imageElement, 0, 0);
		}
	});
       
       seattleImage.setVisible(false);
       container.add(seattleImage);
}
开发者ID:waynedyck，项目名称:mgwt-traffic-flow，代码行数:31，代码来源:SeattleViewGwtImpl.java

示例7: getMap

import com.google.gwt.user.client.ui.Image; //导入方法依赖的package包/类
private void getMap() {
	// Tacoma map canvas size in px
    final int width = 1360;
    final int height = 1204;
    
       // get the 2D rendering context
       context = mapCanvas.getContext2d();

       // initialize the canvas
       mapCanvas.setWidth(width + "px");
       mapCanvas.setHeight(height + "px");
       mapCanvas.setPixelSize(width, height);
       mapCanvas.setCoordinateSpaceWidth(width);
       mapCanvas.setCoordinateSpaceHeight(height);
       
       container.setWidth(width + "px");
              
       final Image tacomaImage = new Image(Resources.INSTANCE.tacomaArea());
       tacomaImage.addLoadHandler(new LoadHandler() {

		@Override
		public void onLoad(LoadEvent event) {
               ImageElement imageElement = tacomaImage.getElement().cast();
               context.drawImage(imageElement, 0, 0);
		}
	});
       
       tacomaImage.setVisible(false);
       container.add(tacomaImage);
}
开发者ID:waynedyck，项目名称:mgwt-traffic-flow，代码行数:31，代码来源:TacomaViewGwtImpl.java

示例8: load

import com.google.gwt.user.client.ui.Image; //导入方法依赖的package包/类
public void load() {
	if (!loading && GWT.isClient()) {
		String mapParameter = Window.Location.getParameter("map");
		if (mapParameter != null && !mapParameter.isEmpty()) {
			loading=true;
			mapName = mapParameter;
			mapFile = null;
			final Image img = new Image("img.php?mode=native&url=" + mapParameter);
			img.setVisible(false);
			RootPanel.get().add(img);
			img.addLoadHandler(new LoadHandler() {
				@Override
				public void onLoad(LoadEvent event) {

					Gdx.app.postRunnable(new Runnable() {
						@Override
						public void run() {
							ImageElement imgElement = ImageElement.as(img.getElement());
							RootPanel.get().remove(img);
							Pixmap pixmap = new ScreenshotHelper().asPixmap(imgElement);
							if (pixmap != null) {
								Layer layer = layerManager.getLayer("RAW", RenderMask.Mask.BASIC);
								layer.drawPixmapToFit(pixmap);
								layer.invalidateTexture();
								pixmap.dispose();
								processed = true;

								world.getSystem(RefreshHandlerSystem.class).restart();
							}
						}
					});
				}
			});
		}
	}

	if (!loading && mapFile != null) {
		loading = true;
		processed = true;
		layerManager.getLayer("RAW", RenderMask.Mask.BASIC).drawPixmapToFit(new Pixmap(Gdx.files.internal(mapFile)));
	}
}
开发者ID:DaanVanYperen，项目名称:ns2-scc-profiler，代码行数:43，代码来源:LayerLoaderSystem.java


注：本文中的com.google.gwt.user.client.ui.Image.addLoadHandler方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。