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Showing posts with the label html5-canvas

Center point on html quadratic curve

I have a quadratic curve drawn on html canvas using context.quadraticCurveTo(controlX, controlY, endX, endY); . I have the control-point and the starting and end points, which are not necessarily level with each other horizontally. How can I find the centre point on the curve using these parameters? Actually I want to put a div tag on this center point. Is there any equation solving involved in this process?

how to create vertical table heading text with html5 canvas?

Does anyone know if it's possible to create vertical text in a html5 canvas and then have the canvas resize to the content? I've seen posts about adding text and rotating it but don't know how to have the canvas resize automatically to it afterwards. Here is a link to a page with one of the tables: here I basically want to replace the top headings with vertical text in different canvases. The team names need to be dynamic and I'd rather not have them generated as jpg's. Thanks!

how to create vertical table heading text with html5 canvas?

Does anyone know if it's possible to create vertical text in a html5 canvas and then have the canvas resize to the content? I've seen posts about adding text and rotating it but don't know how to have the canvas resize automatically to it afterwards. Here is a link to a page with one of the tables: here I basically want to replace the top headings with vertical text in different canvases. The team names need to be dynamic and I'd rather not have them generated as jpg's. Thanks!