World: r3wp
[AGG] to discus new Rebol/View with AGG
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Cyphre 3-Jan-2005 [3] | http://cyphre.mysteria.cz/agg-demo-01.r |
Guest 3-Jan-2005 [4] | you had some font shape effects that were pretty impressive, can you pls post those ? |
Ryan 3-Jan-2005 [5] | I was looking for an AGG demo, thanks! |
Cyphre 3-Jan-2005 [6] | just a moment..I'm on slow connection so it will take some time when I find the links... |
Ryan 3-Jan-2005 [7] | Excellent! |
Guest 3-Jan-2005 [8] | i was surprised nobody was shouting for Draw/AGG ! This clearly opens the door to many possibilities. Cyphre, could you pls give us a brief update of where the project is going and your opinions on the different possibilities ? |
Cyphre 3-Jan-2005 [9] | here you are few links I posted in the past: http://cyphre.mysteria.cz/rebol-agg-faces.jpg http://cyphre.mysteria.cz/agg-rebol.jpg http://cyphre.mysteria.cz/agg-image-patterns.jpg |
Guest 3-Jan-2005 [10] | can you pls post again the code sample for the agg-image-patterns that you had posted on the original rebol world ? thxs |
Cyphre 3-Jan-2005 [11] | After succesfull implementation of native affine transformations we are solving the rest of items on our 'to-do beta' list. I cannot tell you more for now but stay tuned. I believe the beta release of View/AGG will be very soon. |
Guest 3-Jan-2005 [12] | is there public info on the to-do beta list ? |
Ryan 3-Jan-2005 [13] | I am drooling in anticipation! |
Cyphre 3-Jan-2005 [14] | This is internal list but maybe you can ask Carl about more information. (try it in Blog chat channel?) |
Ryan 3-Jan-2005 [15] | Any enhancement for ray casting? |
Cyphre 3-Jan-2005 [16] | (please note I'm working on agg project as a volunteer and I'm not RT member or speaker so I cannot tell you anything more..you have to ask Carl or anyone from RT) |
Guest 3-Jan-2005 [17x2] | pen doesn't make contour around filled polygons Rebol/View crashes when drawing filled poligons partially out of visible face area = you cannot zoom/move any object out of face borders - very annoying problem (this problem doesn't crash latest Rebol/Link...instead of it interpret shows "not enough memory" error) DRAW's 'text command doesn't recognize underlined font style (manipulating text will be explained in the next issue of ZINE...Watch out!) my enhancement dreams: missing 'ellipse command - why there is no posible to make elipse when 'circle is available?!? missing 'point or 'dot command - currently you have to write [line 10x10 10x10] to make single dot at 10x10 coords on the screen missing 'round command - DRAW cannot make arcs in a simple way missing 'fill-pattern command - for simple texturing of filled polygons |
Cyphre, you had posted this in REBOL/Zine 30 months ago. I imagine all of this is not an issue anymore, right ? | |
Cyphre 3-Jan-2005 [19x2] | this is the code whith image-patterns: fnt: make face/font [size: 240] view layout [box 800x260 white effect [draw [pen logo.gif font fnt text 1 "REBOL"]]] |
all those issues I mentioned in the REBOL/Zine are solved (some of them even in non-agg alpha/beta versions) | |
Ryan 3-Jan-2005 [21] | impressive |
Cyphre 3-Jan-2005 [22x2] | Use any experimental code at your own risk as this code and syntax is related to View ALPHA versions and is subject to cange in future versions. |
have to leave now...talk to you later guys | |
Ryan 3-Jan-2005 [24] | Thanks for all!!!!! |
Guest 3-Jan-2005 [25x3] | Thanks a lot. Hope carl provides more info soon! |
img: draw 50x50 [fill-pen green box 0x0 50x50] | |
view layout [image img] and I get a left top 1 pixel border. Is this a bug ? | |
Ryan 3-Jan-2005 [28x2] | Suggestion regarding blog 71 & 77: 'push is too confusing from a graphical point of view since push would make most people think of moving an object in that context, not a stack operation. 'Group is decent, but you may consider the word 'invoke to focus on an operation taking place. 'Invoke also works well with the push pop schema. 'Enact is also a good one. |
speed & ease of use are very important. Perhaps splitting interface into a low level speed way, and the high level easy way would be the wisest decision. Matrix is cool, but its not obvious to use to those that have yet worked on that level. | |
Cyphre 3-Jan-2005 [30] | Guest: this is not a bug. Try this code: img: draw 50x50 [fill-pen green box 0x0 49x49] view layout [image img] |
Oldes 3-Jan-2005 [31] | it seems to be bug to me |
Cyphre 3-Jan-2005 [32] | you have to take in mind that the coordinate system starts from 0x0 not 1x1. The white border is a 'stroke' rendered by PEN (which is set to white by default). So if you want just plain box you have to write: view layout [box 50x50 effect [draw [pen none fill-pen red box 0x0 49x49]]] |
Oldes 3-Jan-2005 [33] | hmm |
Cyphre 3-Jan-2005 [34x2] | ups, the last line should be: view layout [box 50x50 effect [draw [pen none fill-pen red box 0x0 50x50]]] |
(because the stroke line is not rendered in that case) | |
Guest 3-Jan-2005 [36] | thanks. I can't wait to use draw/AGG effects ! |
ReViewer 6-Feb-2005 [37] | Is there a replacement for key effect? my trials are not what I expected regarding that... |
Cyphre 7-Feb-2005 [38] | keying at level of DRAW is not supported in the latest alpha of Rebol with AGG. You can yse the KEY command in the EFFECT blocku though. I'm looking into this so this feature will be hopefully back in the betaversion of Rebol/AGG release. |
Tomc 22-Feb-2005 [39] | will native matrix operations be exposed with AGG? if so which ones? |
Cyphre 23-Feb-2005 [40x3] | yes, AGG will support 2D affine transformation matrices. So you can apply translation, rotation, scaling and inversion on the actual matrix. |
You will be able to define the matrix content directy using block! of 6 values.(this is more for advanced users or useful with some kind of vectorial format conversions) | |
You will be able to use also matrix stack and PUSH/POP different statest of matrix. This will allow nested(hierarchical) transformations. | |
Tomc 23-Feb-2005 [43] | so how about matrix multiplication and transpose -- non-graphics specialized maths |
Pekr 23-Feb-2005 [44] | general matrix operation? I am not sure it belongs to AGG, but we asked for it long time ago :-) |
shadwolf 10-Jun-2005 [45] | I want to thank Cyphre for all his test scripts in REBOL/View/tests/. Very a good good source of inspiration and a perfect show room for the AGG capabilities ... |
Ashley 10-Jun-2005 [46x2] | Agreed. Has anyone done (or is working on) an AGG based SVG renderer? Or an SVG2DRAW converter? If so, there's a wealth of SVG content out there that we could use ... |
I'm thinking SVG icon sets for a start. | |
Graham 10-Jun-2005 [48] | we made a start a couple of years ago but didn't get far http://www.compkarori.com/vanilla/display/SVG+Dialect |
Gabriele 10-Jun-2005 [49] | ashley: IIRC, Cyphre has a SVG parser that outputs a draw block. but i think it was unfinished. |
DideC 10-Jun-2005 [50] | Yes he has. The Tiger head was "stolen" from an SVG source ;-) |
Pekr 10-Jun-2005 [51] | Cyphre, or others - I am curious. I just read latest blogs about Mozilla technology - they will switch rendering to Cairo open source library. It will handle svg as well as the rest of rendering too. IIRC Cairo was already mentioned here. I wonder how AGG compares? |
Ammon 10-Jun-2005 [52] | All I know is that the classic SVG Tiger demo ( Viewtop/Tests/View/Tiger.r ) looks better than any others that I've seen... |
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