<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On May 16, 2011, at 7:55 AM, Matthew Swank wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>I am porting the Morphic GUI tool kit, Or more specifically the subset<br>that is implemented in morphic.js:<br><a href="http://www.chirp.scratchr.org/blog/?p=34">http://www.chirp.scratchr.org/blog/?p=34</a>.<br><br>I am a little overwhelmed by the options for rendering the GUI to screen.<br>The JS implementation uses html5 canvas elements where Canvases,<br>Images, and Contexts are rolled into or are part of the same object.<br><br>In am a relative novice in graphics programming, so it's hard for me<br>to differentiate among the merits of the various bindings available to<br>common lisp to do this. However, using the html canvas code as<br>guide, I am gravitating towards some sort of high level canvas that<br>writes to a lower level back end (vecto -> lispbuilder-sdl, cl-cairo).<br><br>Does anyone have guidance on the best way to approach this? Should I<br>consider "raw" SDL surfaces, perhaps with SDL_ttf for font rendering?<br>Is OpenGL a reasonable option for what is essentially a 2d<br>environment?<br><br>Matt<br></div></blockquote></div><div><br></div><div>Not completely sure I understand what you need. The XMLisp approach (<a href="http://code.google.com/p/xmlisp/">http://code.google.com/p/xmlisp/</a>) is to create GUIs as DOM-like structures of 2D (Cocoa controls) and 3D (OpenGL views). The controls are platform native (OS X, Windows). Control actions are written in Lisp in a way to make it quite simple to mix 2D and 3D content.</div><div><br></div><div>Alex</div><div><br></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Prof. Alexander Repenning</font></p><p style="margin: 0.0px 0.0px 0.0px 0.0px"><br class="khtml-block-placeholder"></p><p style="margin: 0.0px 0.0px 0.0px 0.0px">University of Colorado</p><p style="margin: 0.0px 0.0px 0.0px 0.0px">Computer Science Department</p><p style="margin: 0.0px 0.0px 0.0px 0.0px">Boulder, CO 80309-430</p><p style="margin: 0.0px 0.0px 0.0px 0.0px"><br class="khtml-block-placeholder"></p><p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica">vCard: <a href="http://www.cs.colorado.edu/~ralex/AlexanderRepenning.vcf">http://www.cs.colorado.edu/~ralex/AlexanderRepenning.vcf</a></font></p><br class="Apple-interchange-newline"></span></span></span></span>
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