本文整理汇总了Java中com.google.gwt.dom.client.CanvasElement类的典型用法代码示例。如果您正苦于以下问题:Java CanvasElement类的具体用法?Java CanvasElement怎么用?Java CanvasElement使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
CanvasElement类属于com.google.gwt.dom.client包,在下文中一共展示了CanvasElement类的20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,您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: setFullscreenJSNI
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
private native boolean setFullscreenJSNI(GwtGraphics graphics, CanvasElement element) /*-{
if (element.webkitRequestFullScreen) {
element.width = $wnd.screen.width;
element.height = $wnd.screen.height;
element.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
$doc
.addEventListener(
"webkitfullscreenchange",
function() {
[email protected]::fullscreenChanged()();
}, false);
return true;
}
if (element.mozRequestFullScreen) {
element.width = $wnd.screen.width;
element.height = $wnd.screen.height;
element.mozRequestFullScreen();
$doc
.addEventListener(
"mozfullscreenchange",
function() {
[email protected]::fullscreenChanged()();
}, false);
return true;
}
return false;
}-*/;
开发者ID:opensciencemap,项目名称:vtm,代码行数:28,代码来源:GwtGraphics.java
示例2: getContext
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
/**
* Returns a WebGL context for the given canvas element. Returns null if no 3d
* context is available.
*/
public static native WebGLRenderingContext getContext(CanvasElement canvas, WebGLContextAttributes attributes) /*-{
var names = ["webgl", "experimental-webgl", "moz-webgl", "webkit-webgl", "webkit-3d"];
for (var i = 0; i < names.length; i++) {
try {
var ctx = canvas.getContext(names[i], attributes);
if (ctx != null) {
// Hook for the semi-standard WebGLDebugUtils script.
if ($wnd.WebGLDebugUtils) {
if ($wnd.console && $wnd.console.log) console.log('WebGL debugging enabled');
return $wnd.WebGLDebugUtils.makeDebugContext(ctx);
}
return ctx;
}
} catch(e) {
}
}
return null;
}-*/;
开发者ID:playn,项目名称:playn,代码行数:23,代码来源:WebGLRenderingContext.java
示例3: createContext
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
/**
* Creates a WebGL 1.0 context upon a canvas element using the specified context attributes. This method alerts the
* user if there is no WebGL support and also redirects the browser to <a href="http://get.webgl.org/">get.webgl.org
* </a>.
*
* @param canvas The canvas element to creeate the context upon.
* @param attributes The context attributes to request the context with.
*
* @return The created WebGL context object.
*/
public static native WebGLContext createContext(CanvasElement canvas, WebGLContext.Attributes attributes) /*-{
try
{
if (attributes)
$wnd.gl = canvas.getContext("webgl", attributes) || canvas.getContext("experimental-webgl", attributes);
else
$wnd.gl = canvas.getContext("webgl") || canvas.getContext("experimental-webgl");
$wnd.attribs = $wnd.gl.getContextAttributes();
$wnd.glv = 1.0;
}
catch (e)
{
alert(e);
$wnd.alert("Your browser doesn't appear to support WebGL. Try upgrading your browser.");
$wnd.location.href = 'http://get.webgl.org/';
}
return $wnd.context = {
gl: $wnd.gl,
attribs: $wnd.attribs,
glv: $wnd.glv
};
}-*/;
开发者ID:sriharshachilakapati,项目名称:WebGL4J,代码行数:36,代码来源:WebGL10.java
示例4: createContext
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
public static native WebGLContext createContext(CanvasElement canvas, WebGLContext.Attributes attributes) /*-{
try
{
if (attributes)
$wnd.gl = canvas.getContext("webgl2", attributes) || canvas.getContext("experimental-webgl2", attributes);
else
$wnd.gl = canvas.getContext("webgl2") || canvas.getContext("experimental-webgl2");
$wnd.attribs = $wnd.gl.getContextAttributes();
$wnd.glv = 2.0;
}
catch (e)
{
alert(e);
$wnd.alert("Your browser doesn't appear to support WebGL 2. Try upgrading your browser.");
$wnd.location.href = 'http://get.webgl.org/';
}
return $wnd.context = {
gl: $wnd.gl,
attribs: $wnd.attribs,
glv: $wnd.glv
};
}-*/;
开发者ID:sriharshachilakapati,项目名称:WebGL4J,代码行数:26,代码来源:WebGL20.java
示例5: getContext
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
/**
* Returns a WebGL context for the given canvas element. Returns null if no 3d
* context is available.
*/
public static native WebGLRenderingContext getContext(CanvasElement canvas, WebGLContextAttributes attributes) /*-{
var names = ["experimental-webgl", "webgl", "moz-webgl", "webkit-webgl", "webkit-3d"];
for (var i = 0; i < names.length; i++) {
try {
var ctx = canvas.getContext(names[i], attributes);
if (ctx != null) {
// Hook for the semi-standard WebGLDebugUtils script.
if ($wnd.WebGLDebugUtils) {
if ($wnd.console && $wnd.console.log) console.log('WebGL debugging enabled');
return $wnd.WebGLDebugUtils.makeDebugContext(ctx);
}
return ctx;
}
} catch(e) {
}
}
return null;
}-*/;
开发者ID:fredsa,项目名称:forplay,代码行数:23,代码来源:WebGLRenderingContext.java
示例6: prepareMissingTileImage
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
private CanvasElement prepareMissingTileImage() {
int tileSize = DjvuContext.getTileSize();
CanvasElement canvas = createImage(tileSize, tileSize);
Context2d context2d = canvas.getContext2d();
context2d.setFillStyle("white");
context2d.fillRect(0, 0, canvas.getWidth(), canvas.getHeight());
Image image = new Image();
final ImageElement imageElement = image.getElement().cast();
imageElement.getStyle().setProperty("visibility", "hidden");
Event.setEventListener(imageElement, event -> {
if (Event.ONLOAD == event.getTypeInt()) {
missingTileImage.getContext2d().drawImage(imageElement, 0, 0);
RootPanel.get().getElement().removeChild(imageElement);
}
});
RootPanel.get().getElement().appendChild(imageElement);
image.setUrl(getBlankImageUrl());
return canvas;
}
开发者ID:mateusz-matela,项目名称:djvu-html5,代码行数:20,代码来源:DataStore.java
示例7: setTile
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
public void setTile(TileInfo tileInfo, GMap bufferGMap) {
if (bufferImageData == null || bufferImageData.getWidth() != bufferGMap.getDataWidth()
|| bufferImageData.getHeight() != bufferGMap.getDataHeight()) {
bufferImageData = bufferCanvas.getContext2d()
.createImageData(bufferGMap.getDataWidth(), bufferGMap.getDataHeight());
}
Uint8Array imageArray = bufferImageData.getData().cast();
imageArray.set(bufferGMap.getImageData());
bufferCanvas.getContext2d().putImageData(bufferImageData, -bufferGMap.getBorder(), 0);
CanvasElement tile = tiles.get(tileInfo);
if (tile == null) {
tile = createImage(bufferGMap.getDataWidth() - bufferGMap.getBorder(), bufferGMap.getDataHeight());
tiles.put(new TileInfo(tileInfo), tile);
}
Context2d c = tile.getContext2d();
c.setFillStyle("white");
c.fillRect(0, 0, tileSize, tileSize);
c.drawImage(bufferCanvas, 0, 0);
for (Consumer<Integer> listener : tileListeners)
listener.accept(tileInfo.page);
}
开发者ID:mateusz-matela,项目名称:djvu-html5,代码行数:23,代码来源:DataStore.java
示例8: createImage
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
public static CanvasElement createImage(int width, int height) {
Canvas canvas = Canvas.createIfSupported();
canvas.setWidth(width + "px");
canvas.setCoordinateSpaceWidth(width);
canvas.setHeight(height + "px");
canvas.setCoordinateSpaceHeight(height);
return canvas.getCanvasElement();
}
开发者ID:mateusz-matela,项目名称:djvu-html5,代码行数:9,代码来源:DataStore.java
示例9: setFullscreenJSNI
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
private native boolean setFullscreenJSNI (GwtGraphics graphics, CanvasElement element) /*-{
if(element.webkitRequestFullScreen) {
element.width = $wnd.screen.width;
element.height = $wnd.screen.height;
element.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
$doc.addEventListener("webkitfullscreenchange", function() {
[email protected]::fullscreenChanged()();
}, false);
return true;
}
if(element.mozRequestFullScreen) {
element.width = $wnd.screen.width;
element.height = $wnd.screen.height;
element.mozRequestFullScreen();
$doc.addEventListener("mozfullscreenchange", function() {
[email protected]::fullscreenChanged()();
}, false);
return true;
}
return false;
}-*/;
开发者ID:basherone,项目名称:libgdxcn,代码行数:22,代码来源:GwtGraphics.java
示例10: setCursorCatchedJSNI
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
/** from https://github.com/toji/game-shim/blob/master/game-shim.js
* @param element Canvas */
private native void setCursorCatchedJSNI (CanvasElement element) /*-{
// Navigator pointer is not the right interface according to spec.
// Here for backwards compatibility only
if (!navigator.pointer) {
navigator.pointer = navigator.webkitPointer || navigator.mozPointer;
}
// element.requestPointerLock
if (!element.requestPointerLock) {
element.requestPointerLock = (function() {
return element.webkitRequestPointerLock
|| element.mozRequestPointerLock || function() {
if (navigator.pointer) {
navigator.pointer.lock(element);
}
};
})();
}
element.requestPointerLock();
}-*/;
开发者ID:basherone,项目名称:libgdxcn,代码行数:22,代码来源:GwtInput.java
示例11: getContext
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
/** Returns a WebGL context for the given canvas element. Returns null if no 3d context is available. */
public static native WebGLRenderingContext getContext (CanvasElement canvas, WebGLContextAttributes attributes) /*-{
var names = ["experimental-webgl", "webgl", "moz-webgl", "webkit-webgl", "webkit-3d"];
for (var i = 0; i < names.length; i++) {
try {
var ctx = canvas.getContext(names[i], attributes);
if (ctx != null) {
// Hook for the semi-standard WebGLDebugUtils script.
if ($wnd.WebGLDebugUtils) {
if ($wnd.console && $wnd.console.log) console.log('WebGL debugging enabled');
return $wnd.WebGLDebugUtils.makeDebugContext(ctx);
}
return ctx;
}
} catch(e) {
}
}
return null;
}-*/;
开发者ID:basherone,项目名称:libgdxcn,代码行数:20,代码来源:WebGLRenderingContext.java
示例12: setCursorCatchedJSNI
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
/**
* from https://github.com/toji/game-shim/blob/master/game-shim.js
*
* @param element Canvas
*/
private native void setCursorCatchedJSNI(CanvasElement element) /*-{
// Navigator pointer is not the right interface according to spec.
// Here for backwards compatibility only
if (!navigator.pointer) {
navigator.pointer = navigator.webkitPointer || navigator.mozPointer;
}
// element.requestPointerLock
if (!element.requestPointerLock) {
element.requestPointerLock = (function() {
return element.webkitRequestPointerLock
|| element.mozRequestPointerLock || function() {
if (navigator.pointer) {
navigator.pointer.lock(element);
}
};
})();
}
element.requestPointerLock();
}-*/;
开发者ID:opensciencemap,项目名称:vtm,代码行数:25,代码来源:GwtInput.java
示例13: ZoomAnimation
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
/**
* Animate zoom and tranlate on the HTML5 canvas, after the DisplayArea has zoomed in.
*
* @param context
* @param canvas_img
* the CanvasElement of the canvas to be animated
* @param cb
* callback for when the animation completes
* @param old_width
* the width of the viewport before zoom
* @param new_width
* the width of the viewport after zoom, in the same coordinates as old_width
* @param new_x
* x coordinate of the new viewport center, relative to the HTML5 canvas
* in the browser
* @param new_y
* y coordinate of the new viewport center, relative to the HTML5 canvas
* in the browser
*/
public ZoomAnimation(Context2d context, CanvasElement canvas_img,
AnimationCallback cb, int old_width, int new_width, int new_x, int new_y) {
this.context = context;
Canvas buffer = Canvas.createIfSupported();
Context2d buff_context = buffer.getContext2d();
buffer.setPixelSize(canvas_img.getWidth(), canvas_img.getHeight());
buffer.setCoordinateSpaceWidth(canvas_img.getWidth());
buffer.setCoordinateSpaceHeight(canvas_img.getHeight());
buff_context.drawImage(canvas_img, 0, 0);
this.canvas_img = buff_context.getCanvas();
scale = (double) old_width / new_width;
this.width_from = canvas_img.getWidth();
this.height_from = canvas_img.getHeight();
this.x_from = width_from / 2;
this.y_from = height_from / 2;
this.x_to = new_x;
this.y_to = new_y;
this.cb = cb;
}
开发者ID:jhu-digital-manuscripts,项目名称:rosa,代码行数:48,代码来源:ZoomAnimation.java
示例14: addAreaClickListener
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
private void addAreaClickListener(final ColorfillAreaClickListener listener) {
interactionHandlerFactory.applyUserClickHandler(new Command() {
@Override
public void execute(NativeEvent event) {
event.preventDefault();
CanvasElement canvasElement = canvasStubView.getCanvas().getCanvasElement();
Area area = new Area(positionHelper.getXPositionRelativeToTarget(event, canvasElement), positionHelper.getYPositionRelativeToTarget(event,
canvasElement));
if (area.getX() >= 0 && area.getY() >= 0) {
listener.onAreaClick(area);
}
}
}, canvasStubView.getCanvas());
}
开发者ID:YoungDigitalPlanet,项目名称:empiria.player,代码行数:16,代码来源:ColorfillCanvasImpl.java
示例15: onModuleLoad
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
public void onModuleLoad() {
canvas = Canvas.createIfSupported();
if (canvas == null) {
Window.alert("Canvas not supported");
return;
}
RootPanel.get("screen").add(canvas);
CanvasElement el = canvas.getCanvasElement();
el.setWidth(960);
el.setHeight(540);
Context2d ctx = canvas.getContext2d();
setupContext(ctx);
ctx.scale(3, 3);
RootPanel.get().addDomHandler(this, KeyDownEvent.getType());
font = new Image("images/font.png");
fontElement = ImageElement.as(font.getElement());
audio = Audio.createIfSupported();
game = new Game(this);
game.pushState(new WelcomeState(game));
new Timer() {
@Override
public void run() {
game.handleEvent();
game.update();
game.draw();
}
}.scheduleRepeating(50);
}
开发者ID:czak,项目名称:retronix,代码行数:36,代码来源:Application.java
示例16: getImage
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
private CanvasElement getImage() {
if (!Cesium.defined(particleCanvas)) {
particleCanvas = RootPanel.get().getElement().getOwnerDocument().createCanvasElement();
particleCanvas.setWidth(20);
particleCanvas.setHeight(20);
Context2d context2d = particleCanvas.getContext2d();
context2d.beginPath();
context2d.arc(8, 8, 8, 0, Math.TWO_PI(), true);
context2d.closePath();
context2d.setFillStyle("rgb(255, 255, 255)");
context2d.fill();
Cesium.log(particleCanvas);
}
return particleCanvas;
}
开发者ID:iSergio,项目名称:gwt-cs,代码行数:16,代码来源:ParticleSystemFireworks.java
示例17: HtmlCanvas
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
HtmlCanvas(CanvasElement canvas, int width, int height) {
this.canvas = canvas;
this.width = width;
this.height = height;
canvas.setWidth(width);
canvas.setHeight(height);
ctx = canvas.getContext2d();
}
开发者ID:fredsa,项目名称:forplay,代码行数:9,代码来源:HtmlCanvas.java
示例18: HtmlCanvasLayerDom
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
HtmlCanvasLayerDom(int width, int height) {
super(Document.get().createCanvasElement());
CanvasElement canvas = element().cast();
canvas.setWidth(width);
canvas.setHeight(height);
this.canvas = new HtmlCanvas(canvas, width, height);
}
开发者ID:fredsa,项目名称:forplay,代码行数:10,代码来源:HtmlCanvasLayerDom.java
示例19: HtmlCanvasLayerGL
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
HtmlCanvasLayerGL(HtmlGraphicsGL gfx, int width, int height) {
super(gfx);
this.width = width;
this.height = height;
CanvasElement canvas = Document.get().createCanvasElement();
canvas.setWidth(width);
canvas.setHeight(height);
this.canvas = new HtmlCanvas(canvas, width, height);
tex = gfx.createTexture(false, false);
}
开发者ID:fredsa,项目名称:forplay,代码行数:14,代码来源:HtmlCanvasLayerGL.java
示例20: screenshot
import com.google.gwt.dom.client.CanvasElement; //导入依赖的package包/类
public void screenshot(String filename) {
CanvasElement canvas = ((GwtApplication) Gdx.app).getCanvasElement();
// base64 encoded PNG file using data URL encoding! send this to your server
String dataUrl = canvas.toDataUrl("image/png");
// just opening it in a new window, replace this with whatever you want to do with the data
Window.open(dataUrl, "_blank", "");
}
开发者ID:DaanVanYperen,项目名称:ns2-scc-profiler,代码行数:8,代码来源:ScreenshotHelper.java
注:本文中的com.google.gwt.dom.client.CanvasElement类示例整理自Github/MSDocs等源码及文档管理平台,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。 |
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