Re: [whatwg] [WebApps] canvas transform()/setTransform()
On Wed, 17 Jan 2007 01:37:45 +0100, Ian Hickson [EMAIL PROTECTED] wrote: On Thu, 28 Dec 2006, ��߷���(KUROSAWA, Takeshi) wrote: ... the matrix should be m11 m21 dx m12 m22 dy ... (b) 0 0 1 I have fixed the spec as you request. Sorry for the delay in responding. Thanks Ian, cheers Chaals -- Charles McCathieNevile, Opera Software: Standards Group hablo español - je parle français - jeg lærer norsk [EMAIL PROTECTED] Try Opera 9.1 http://opera.com
Re: [whatwg] [WebApps] canvas transform()/setTransform()
Dear WHATWG, On 1/17/07, Ian Hickson [EMAIL PROTECTED] wrote: I have fixed the spec as you request. Sorry for the delay in responding. I appreciate it. regards -- KUROSAWA, Takeshi - http://taken.s101.xrea.com/
Re: [whatwg] [WebApps] canvas transform()/setTransform()
On Thu, 28 Dec 2006, ��߷(KUROSAWA, Takeshi) wrote: Web Application 1.0 adds the transform() and the setTransform() to the canvas 2d context. The conversion of the arguments of these methods to the matrices is described in the section 3.14.6.1.2. The transform(m11, m12, m21, m22, dx, dy) method must multiply the current transformation matrix with the matrix described by: m11 m12 dx m21 m22 dy 0 0 1 The setTransform(m11, m12, m21, m22, dx, dy) method... - http://www.whatwg.org/specs/web-apps/current-work/#transform However, this is repugnant. And it isn't compatible with many graphics systems. So the matrix should be m11 m21 dx m12 m22 dy ... (b) 0 0 1 In addtion, the rhino-canvas implements both methods. It uses the matrix (b). http://rhino-canvas.sourceforge.net/ I have fixed the spec as you request. Sorry for the delay in responding. On Thu, 28 Dec 2006, Charles McCathieNevile wrote: In particular, this would make for easy compatibility with SVG transformations, helping authors to copy them from one to hte other format and back. Indeed. On Mon, 15 Jan 2007, Stefan Haustein wrote: could somebody please clarify whether the unusual parameter order is intended -- or simply a bug in the specification? It was a bug in the specification. Cheers, -- Ian Hickson U+1047E)\._.,--,'``.fL http://ln.hixie.ch/ U+263A/, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Re: [whatwg] [WebApps] canvas transform()/setTransform()
Hi, could somebody please clarify whether the unusual parameter order is intended -- or simply a bug in the specification? Best regards, Stefan 黒澤剛志(KUROSAWA, Takeshi) wrote: Dear WHATWG, Web Application 1.0 adds the transform() and the setTransform() to the canvas 2d context. The conversion of the arguments of these methods to the matrices is described in the section 3.14.6.1.2. The transform(m11, m12, m21, m22, dx, dy) method must multiply the current transformation matrix with the matrix described by: m11 m12 dx m21 m22 dy 0 0 1 The setTransform(m11, m12, m21, m22, dx, dy) method... - http://www.whatwg.org/specs/web-apps/current-work/#transform However, this is repugnant. And it isn't compatible with many graphics systems. So the matrix should be m11 m21 dx m12 m22 dy ... (b) 0 0 1 In addtion, the rhino-canvas implements both methods. It uses the matrix (b). http://rhino-canvas.sourceforge.net/ regards.
Re: [whatwg] [WebApps] canvas transform()/setTransform()
On Thu, 28 Dec 2006 03:02:05 +0100, 黒澤剛志(KUROSAWA, Takeshi) [EMAIL PROTECTED] wrote: Dear WHATWG, Web Application 1.0 adds the transform() and the setTransform() to the canvas 2d context. The conversion of the arguments of these methods to the matrices is described in the section 3.14.6.1.2. The transform(m11, m12, m21, m22, dx, dy) method must multiply the current transformation matrix with the matrix described by: m11 m12 dx m21 m22 dy 0 0 1 The setTransform(m11, m12, m21, m22, dx, dy) method... - http://www.whatwg.org/specs/web-apps/current-work/#transform ...the matrix should be m11 m21 dx m12 m22 dy ... (b) 0 0 1 In particular, this would make for easy compatibility with SVG transformations, helping authors to copy them from one to hte other format and back. cheers Chaals -- Charles McCathieNevile, Opera Software: Standards Group hablo español - je parle français - jeg lærer norsk [EMAIL PROTECTED] Try Opera 9 now! http://opera.com
[whatwg] [WebApps] canvas transform()/setTransform()
Dear WHATWG, Web Application 1.0 adds the transform() and the setTransform() to the canvas 2d context. The conversion of the arguments of these methods to the matrices is described in the section 3.14.6.1.2. The transform(m11, m12, m21, m22, dx, dy) method must multiply the current transformation matrix with the matrix described by: m11 m12 dx m21 m22 dy 0 0 1 The setTransform(m11, m12, m21, m22, dx, dy) method... - http://www.whatwg.org/specs/web-apps/current-work/#transform However, this is repugnant. And it isn't compatible with many graphics systems. So the matrix should be m11 m21 dx m12 m22 dy ... (b) 0 0 1 In addtion, the rhino-canvas implements both methods. It uses the matrix (b). http://rhino-canvas.sourceforge.net/ regards. -- KUROSAWA, Takeshi - http://taken.s101.xrea.com/
