StockMarket Object
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| This page describes a BOARD18 JavaScript object. |
| This object is created using the StockMarket constructor function. |
| Go to Object List. - Go to Design Document. |
The StockMarket object describes a stock market chart and its use.
| Element | Type | C | Description |
|---|---|---|---|
| image | url | * | URL of the image file |
| height | int | * | Stock Market image height |
| width | int | * | Stock Market image width |
| xStart | int | * | Start of price boxes |
| xStep | int | * | Spacing of price boxes |
| yStart | int | * | Start of price boxes |
| yStep | int | * | Spacing of price boxes |
An * in the "C" column indicates that the element is created by the constructor function.
Methods in Object
place() The place function places the stock market chart on canvas1.
clear2() The clear2 function clears all tokens from canvas2.
chartCoord(xPix, yPix) The chartCoord function calculates the coordinates of the containing price box given an exact position in pixels on the stock market chart.