<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><html>On Feb 10, 2008, at 5:44 PM, Robert O'Callahan wrote:</html><br class="Apple-interchange-newline"><blockquote type="cite">On Feb 11, 2008 1:05 PM, Oliver Hunt <<a href="mailto:oliver@apple.com">oliver@apple.com</a>> wrote:<div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div style=""><div><div>i was thinking having a style property, say, canvas-dpi: auto|device or something, where the default auto value automagically does the evil downsampling the moment a data routine is used, and device would result in the right thing. That said neither of these are particularly nice. OTOH it would allow those who use get/putImageData to implement a basic video buffer (eg. the msx demo, etc) to continue to do so.</div> <div class="Ih2E3d"><div></div></div></div></div></blockquote><div><br>Wouldn't it be equivalent, yet simpler, to just define get/putImageData to do the evil 'auto' thing, and have additional methods to do the right 'device' thing?</div></div></blockquote><div><br class="webkit-block-placeholder"></div><div>Not really -- a developer would need to do work to handle browsers that did not support the newer hidpi apis. The alternative (a css property or whatever) would allow a developer to use a single API, but tell the browser that they were aware that there may not be a 1:1 ratio between the requested region and the amount of data returned -- effectively it would be a flag to say "hey i actually do know the spec, and am not blindly expecting this to work on everyone else's computer just because it works on mine" </div><div><br class="webkit-block-placeholder"></div><div>--Oliver</div><br><blockquote type="cite"><div class="gmail_quote"><div><br> <br>Rob<br></div></div>-- <br>"He was pierced for our transgressions, he was crushed for our iniquities; the punishment that brought us peace was upon him, and by his wounds we are healed. We all, like sheep, have gone astray, each of us has turned to his own way; and the LORD has laid on him the iniquity of us all." [Isaiah 53:5-6]</blockquote></div><br></body></html>