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can not show picture with AnnotationPicture


roberthow

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my code:

function loadChart() {

    var chart1 = new cfx.Chart();

    chart1.getData().setSeries(1);

    chart1.getData().setPoints(4);

    chart1.getAllSeries().setGallery(cfx.Gallery.Pie);

var ann = new cfx.annotation.Annotations();

var annList = ann.getList();

var annPic = new cfx.annotation.AnnotationPicture();

annPic.setPicture("images/dx.jpg");

//annPic.setMode(cfx.AnnImageMode.Tile);

annPic.setWidth(370);

annPic.setHeight(445);

annPic.setLeft(50);

annPic.setTop(50);

annList.add(annPic);

chart1.getExtensions().add(ann);

    var divHolder = document.getElementById('ChartDiv');

    chart1.create(divHolder);

}

---------------------------------------------------------------

the problem is  the Pie Chart shows correctly, but annotation picture can not show, it just show as a rectangle.

There are too little documentation about Annotation APIs in http://support.softwarefx.com/jChartFX/api for reference.

does any one can let me know what's wrong with the code?

 

Another Problem is the comment line in the code ( //annPic.setMode(cfx.AnnImageMode.Tile); ), if I uncomment that line and run the code,

the brower will not show the pie chart and throw error message "Unable to get value of the property 'Tile': object is null or undefined".

There is already include jchartfx.annotation.js in my code. anyone can help me?

my system is win7, brower is IE 9, jChartFX version is 7.1.5044.21402 

Thanks. 

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3 answers to this question

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1) Because of how our code was originally written, you have to specify the original width and height of the image as part of the image URL as follows

annPic.setPicture("images/dx,24,48"); // 24 is the width, 48 is the height

2) To remove the border you can use 

annPic.getBorder().setColor("#00FFFFFF");

3) The enumeration AnnImageMode did not get declared in the current build (we will fix this in future builds), for now you can use 0 for default, 1 for stretch and 2 for tile. 

Regards,

JuanC 

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