[Guidolib-devel] Problems with .gif size

[<ki...@it...>]

Hi,

there is a problem with correct default picture size in the=20
lib-score-engine. When opening a .gmn file with the old noteviewer the=20=

default scaling (with zoom=3D1) was chosen (optimised?) so, that the=20
score fit to the screen.
Currently the start size seems much larger than that. When using the=20
standalone viewers this is not a problem, just a few mouse-clicks=20
(zoom-out) and it's ok.
I tried to use the new guido2gif and there this is a major problem! The=20=

size of the .gif can't be adjusted correctly at the moment (when=20
adjustPagesize (=3Dcrop) is set to off).

I tried some changes in
GRPage::setMapping

like
	....
	if( vsizex <=3D 0 || vsizey <=3D 0 )		// set to =
default scaling, apply the=20
zoom.
	{
		// why 3 / 4 ?
		/* jk: I think Kai wanted to display at least 3/4 of the =
score on=20
full screen, if
		  possible, keep it for compatibility reasons. It looks =
nice :-)
		*/ 								=
=09
		/*
		maxWidth =3D hdc.MaxWidth();	// =
::GetDeviceCaps(hdc,HORZRES) * 3/ 4;
		maxHeight =3D hdc.MaxHeight();	// =
::GetDeviceCaps(hdc,VERTRES) * 3/ 4;
		*/
		// try it with some default
		// new
		maxWidth =3D 1280;
		maxHeight =3D 1024;

		const float scaleConv =3D 1; // UNCONST; //  * 3 / 4 / =
12.0; // why 12 ?

	//	vsizex =3D int(maxWidth * zoom);// * sizex * scaleConv);
	//	vsizey =3D int(maxHeight * zoom); // * sizey * =
scaleConv);

		vsizex =3D sizex * zoom; // TEST
		vsizey =3D sizey * zoom; // TEST
	}

//	hdc.SetViewportExt( vsizex, vsizey );
	/* this seems to be equal to zoom?
	float newScaleX =3D float(vsizex) / sizex;
	float newScaleY =3D float(vsizey) / sizey;
	*/
	// new
	float newScaleX =3D float(vsizex) / maxWidth;
	float newScaleY =3D float(vsizey) / maxWidth;
	....
---------------------------------
With these hacks and correct parameters it worked very well on the=20
native Windows version and the guido2gif BUT on the wxWindows version=20
the functionality of zoom-in and zoom-out were twisted!

Has anybody (Jerome) a clean solution? Until this is not fixed I can't=20=

use the GUIDOlib-guido2gif.exe on the noteserver.



Thanks

J=FCrgen

PS: Holger has now contact to a good programmer at UBC who'd like to=20
join GUIDOlib development in next future.