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javascript Programming Glossary: sxHTML5 Canvas Resize (Downscale) Image High Quality? http://stackoverflow.com/questions/18922880/html5-canvas-resize-downscale-image-high-quality width var th Math.ceil sh scale target image height var sx 0 sy 0 sIndex 0 source x y index within source array var tx.. pixel nwy ty scale tY 1 ... within y 1 target pixel for sx 0 sx sw sx sIndex 4 tx sx scale x src position within target.. nwy ty scale tY 1 ... within y 1 target pixel for sx 0 sx sw sx sIndex 4 tx sx scale x src position within target tX..
Resizing an image in an HTML5 canvas http://stackoverflow.com/questions/2303690/resizing-an-image-in-an-html5-canvas x Math.sin xx x xx elem canvas element img image element sx scaled width lobes kernel radius function thumbnailer elem img.. width lobes kernel radius function thumbnailer elem img sx lobes this.canvas elem elem.width img.width elem.height img.height.. 0 0 img.width img.height this.dest width sx height Math.round img.height sx img.width this.dest.data new..
Bresenham algorithm in Javascript http://stackoverflow.com/questions/4672279/bresenham-algorithm-in-javascript line x0 y0 x1 y1 dx abs x1 x0 dy abs y1 y0 if x0 x1 then sx 1 else sx 1 if y0 y1 then sy 1 else sy 1 err dx dy loop setPixel.. y0 x1 y1 dx abs x1 x0 dy abs y1 y0 if x0 x1 then sx 1 else sx 1 if y0 y1 then sy 1 else sy 1 err dx dy loop setPixel x0 y0.. y0 y1 exit loop e2 2 err if e2 dy then err err dy x0 x0 sx if e2 dx then err err dx y0 y0 sy end loop Do you know of a..
Baking transforms into SVG Path Element commands http://stackoverflow.com/questions/5149301/baking-transforms-into-svg-path-element-commands Math.atan2 transform.b transform.d 180 Math.PI var sx Math.sqrt transform.a transform.a transform.c transform.c var.. 'x2' 'y2' if seg.angle null seg.angle rotation seg.r1 sx FIXME only works for uniform scale seg.r2 sy FIXME only works..
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