Package com.google.gwt.canvas.dom.client

Examples of com.google.gwt.canvas.dom.client.Context2d.drawImage()


        // tell it to scale image
        context.scale(scaleToRatioh, scaleToRatiow);

        // draw image to canvas
        context.drawImage(imageElement, sx, sy, sw, sh, dx, dy, dw, dh);

        // get image data
        double w = dw * scaleToRatioh;
        double h = dh * scaleToRatiow;
        ImageData imageData = context.getImageData(0, 0, w, h);
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        // tell it to scale image
        //context.scale(scaleToRatioh, scaleToRatiow);

        // draw image to canvas
        context.drawImage(imageElement, sx, sy, sw, sh, dx, dy, cw, ch);

        // get image data
        //double w = dw * scaleToRatioh;
        //double h = dh * scaleToRatiow;
        ImageData imageData = context.getImageData(0, 0, cw, ch);
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      // tell it to scale image
      context.scale(scaleToRatioh, scaleToRatiow);
           
      // draw image to canvas
      context.drawImage(imageElement, sx, sy, sw, sh, dx, dy, dw, dh);
     
      // get image data
      double w = dw * scaleToRatioh;
      double h = dh * scaleToRatiow;
      ImageData imageData = context.getImageData(0, 0, w, h);
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        // tell it to scale image
        //context.scale(scaleToRatioh, scaleToRatiow);
       
        // draw image to canvas
        context.drawImage(imageElement, sx, sy, sw, sh, dx, dy, cw, ch);
       
        // get image data
        //double w = dw * scaleToRatioh;
        //double h = dh * scaleToRatiow;
        ImageData imageData = context.getImageData(0, 0, cw, ch);
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    Canvas canvas = Canvas.createIfSupported();
    canvas.getElement().setPropertyInt("height", height);
   canvas.getElement().setPropertyInt("width", width);

    Context2d context = canvas.getContext2d();
    context.drawImage(imageElement, 0, 0);
    ImageData imageData = context.getImageData(0, 0, width,
        height);

    CanvasPixelArray canvasPixelArray = imageData.getData();
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