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John Hoffer edited this page Sep 9, 2016
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- viaWebGL: A standalone kit lets you quickly run GLSL shaders on an Image or Canvas.
- openSeadragonGL: With openSeadragon and viaWebGL, this plugin lets you run GLSL shaders on many kinds of big zoomable images.
-
viaWebGL returns each input as a
WebGLRenderingContext.canvas - Then openSeadragonGL sends the rendered tile to be drawn
- On the
'tile-drawing'event ofOpenSeadragon.ViewerCanvasRenderingContext2D.drawImage(WebGLRenderingContext.canvas)- (Sets the WebGL context's canvas directly to the visible tile's 2D canvas)
- On the
'tile-loaded'event ofOpenSeadragon.ViewerHTMLImageElement.src = WebGLRenderingContext.canvas.toDataURL()- (Sets the WebGL context's canvas to a string as an image source)
- On the
Read the guide to openSeaDragonGL
Get all the code — See the source
Read the guide to viaWebGL
Clone this wiki locally
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