Hi, it's a week i'm studying canvas tag, i'm java programmer. I'm doing a business project designer using canvas. I' ve to draw flow charts using canvas,...
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skimpybiscuit
Jan 4, 2006 12:02 pm
... Well, yes -- placing icons on the map and (in particular) drawing path lines among them. Will...
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Andrew
triptych999
Jan 4, 2006 3:23 pm
You might find this of some help: http://www.liquidx.net/canvasgraphjs/...
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canvasgame
Jan 5, 2006 4:39 pm
Instead of further working on the origional canvascape code I am restarting from the bottom up with a new infrastructure that will alow maps as complex as...
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canvasgame
Jan 5, 2006 5:35 pm
The comma in the link provided was unintentional, here is the correct address: http://www.abrahamjoffe.com.au/ben/canvascape/3d2.htm...
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Andrew
triptych999
Jan 6, 2006 6:55 pm
I think this is very cool! I especially like the idea of drawing routes and other elements on top of the map. -Andrew ... path lines among them....
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Andrew
triptych999
Jan 7, 2006 5:19 pm
This is a great start! I've heard that when the curvature is too great it has something to do with the horizon setting being too close? Not sure if that's...
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Andrew
triptych999
Jan 9, 2006 5:54 pm
I've been having some serious fun creating this little roguelike game and I wanted to post a quick update here: ...
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Andrew
triptych999
Jan 10, 2006 1:17 am
Hedger Wang has created a nifty clock widget using canvas in FF and vml in IE: http://www.hedgerwow.com/360/dhtml/ui_clock/demo.html and it even degrades...
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kjorn
Jan 11, 2006 1:22 pm
Hi, Is there a nimple way of tracking the mouse x,y position relative to the canvas pos. The painting demos I have seen all hard code the canvas tag to an x y...
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Arve Bersvendsen
arveb@...
Jan 11, 2006 2:37 pm
... The only standard DOM method you have at your disposal is MouseEvent.clientX and MouseEvent.clientY, which are the mouse positions relative to the...
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kjorn
Jan 11, 2006 4:41 pm
... canvas ... Here is what I managed to code using your example: http://teethgrinder.co.uk/canvas/mouse-pos.html I tried your sample code but it does not seem...
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Arve Bersvendsen
arveb@...
Jan 11, 2006 5:11 pm
... I haven't been able to determine why FF's values are so much off, but have a look at my example here: ...
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Dave Hoover
redsquirreld...
Jan 11, 2006 5:42 pm
... In my canvas experiment, I use the offsets of the canvas to adjust the clientX and clientY of the mouse event. View source on the following link and...
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Christopher Clay
c3oorg
Jan 11, 2006 6:03 pm
... No, this is because you have nested positioned elements on that page, and offsetTop/Left work in relation to the next positioned ancestor (just like CSS's...
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kjorn
Jan 11, 2006 7:52 pm
... Thanks, this works fine! I guess cacheing the offsets will make everything work a bit faster. ... What we need is a 'canvas.getMousePos()' method or...
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canvasgame
Jan 12, 2006 7:51 am
... Here is a page I just created which demonstrates (I think) what you are after: http://www.random.abrahamjoffe.com.au/public/JavaScripts/preload.htm ...
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Arve Bersvendsen
arveb@...
Jan 12, 2006 10:04 am
... Browsers will raise onload and onerror events when images are loaded, you can use this to determine how much has loaded. A simple example on how to use...
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kjorn
Jan 12, 2006 10:25 am
... Sorry, I should have made myself clearer. I was wondering if I could figure out how much of a single image had downloaded every 0.25 of a second. E.g: 25%...
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Andrew
triptych999
Jan 12, 2006 3:38 pm
For that level of access to the streams you'll probably have to live in a browser extension. I know that the Yahoo Image uploader does that kind of progress...
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Andrew
triptych999
Jan 12, 2006 5:52 pm
Gad, I meant to say Benjamin. That's what I get when I post before my morning caffeine.... Apologies to Benjamin! -Andrew...
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Andrew
triptych999
Jan 12, 2006 6:00 pm
I've seen several data: url creation programs as well as several websites which do it as well - but what's interesting is that some seem to be "better" than...
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canvasgame
Jan 13, 2006 6:49 am
... I assume that you are uploading something like a bitmap and receiving perhaps a jpeg or png from the page? If you convert the image into the desired file...
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Andrew
triptych999
Jan 14, 2006 12:28 am
Next week's challenge involves creating something that draws something to canvas after the page is loaded. For example dynamic server stats, or a slideshow...
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funyaya
Jan 16, 2006 2:35 am
I want to show web page in canvas. Can I use iframe for this?...
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Emil Tamas
emiltamas
Jan 16, 2006 5:31 am
Mozilla docs<http://developer.mozilla.org/en/docs/Drawing_Graphics_with_Canvas>are saying you can: Mozilla's canvas is extended with the drawWindow method....
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kjorn
Jan 16, 2006 7:15 pm
Hi, I have made a simple picture gallery in canvas: http://teethgrinder.co.uk/canvas/my-pictures-2.html There are a few problems with the mouse position...
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Christopher Clay
c3oorg
Jan 16, 2006 8:34 pm
... However note: "Currently the drawWindow function can only be used by 'chrome privileged' content, because untrusted Web content could abuse it in various...
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Carol Chen
funyaya
Jan 17, 2006 1:31 am
I know the drawWindow function, but I just expect to show a page on normal Web pages. So I am looking for one instead of drawWindow. Thanks! ... method. ...
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canvasgame
Jan 17, 2006 10:43 am
... In firefox you can find out how much a user has scrolled down the page with window.pageYOffset, for internet explorer in case you ever need to know it is...
