Grx

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559 discussions

Announce GRX 2.3.4
by Mariano Alvarez Fernandez 13 Feb '01

13 Feb '01

Hi all: This mail to announce GRX 2.3.4 final release. Only few changes from the 2.3.4 pre-release: - fixed some errors in user's guide. - updated readme file. Please Peter, if you want put 2.3.4 in the GRX home site. Download: For linux/unix and general use (files without CR LF): http://www.terra.es/personal/malfer/zipfiles/grx234.tar.gz For DJGPP users (files with CR LF and manifests files): http://www.terra.es/personal/malfer/zipfiles/grx234s.zip Enjoy, M.Alvarez

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Announce: GRX 2.3.4
by Mariano Alvarez Fernandez 13 Feb '01

13 Feb '01

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help: failed to compile grx2.3
by Krist 12 Feb '01

12 Feb '01

hello all, when i compiled grx2.3, using DJGPP v2.01 under win95, i got some errors: file: utils/shiftscl.c gcc complained the inline assembly codes have some errors. anyone else has encountered with that similar error? thanks for your help! Best regards, Krist

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bcc2grx and 32 bits color modes
by Mariano Alvarez Fernandez 10 Feb '01

10 Feb '01

I have finally found why the bccbgi demo program didn't work for me on X11, my X server was in 32 bits color mode. Putting it in 24 bit solved the problem. So it seems that bgi programs don't work in 32 bits color modes, grx ones work without problems.

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Re: Announce: GRX 2.3.4 pre-release
by Mariano Alvarez Fernandez 08 Feb '01

08 Feb '01

Hi Waldemar. > I think there are two minor inconsistencies in the doc: > > 1) > Setting video modes > > Before a program can do any graphics drawing it has to configure the graphics > driver for the desired graphics mode. It is done with the GrSetMode function as > follows: > > ==>void GrSetMode(int which,...); > > I think the above line should read > int GrSetMode(int which,...); > > returning non zero (TRUE) on success. > OK, thanks. > > 2) > Graphics cursors > > The library provides support for the creation and usage of an unlimited number > of graphics cursors. An application can use these cursors for any purpose. > Cursors > always save the area they occupy before they are drawn. When moved or erased > they restore this area. As a general rule of thumb, an application should erase > a cursor > before making changes to an area it occupies and redraw the cursor after > finishing the drawing. Cursors are created with the GrBuildCursor function: > > ==>GrCursor *GrBuildCursor(char far *pixels,int pitch,int w,int h, > int xo,int yo,GrColorTableP c); > ==>GrCursor *GrBuildCursor(char *data,int w,int h,int xo,int yo,GrColorTableP > c); > > I think one of the above two lines is obsolete or has a typo in it ? > Thanks again, I forgot to delete the second one. > > BTW, do you know why that line in src/bgi/clrdev.c is commented out ? > > void __gr_cleardevice(void) { > _DO_INIT_CHECK; > GrResetClipBox(); > GrFilledBox( 0, 0+PY, getmaxx(), getmaxy()+PY, BLACK); > __gr_Reset_ClipBox(); > ==>/* GrClearScreen(__gr_colorbg); */ > moveto( 0, 0); > } I don't know. Perhaps GrFilledBox do the work faster. Harmuth, are you there?

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RE: Announce: GRX 2.3.4 pre-release
by Josu Onandia 08 Feb '01

08 Feb '01

Hi Mariano, I have just developed a frame driver for packed 4 bits per pixel mode. That is, 2 pixels packed in each byte. I supose this mode is not very useful in PC platforms. I use it in an embedded system. If anyone is interested, I would be glad to submit it, but if it's not the case, why bother in maintaining and distributing it? About the Win32 target, I'm very interested. A year ago Peter Gerwinski informed that he had a beta version. I wonder what happened with this project. Josu Onandia > -----Mensaje original----- > De: Mariano Alvarez Fernandez [SMTP:malfer@teleline.es] > Enviado el: miércoles 7 de febrero de 2001 0:26 > Para: GRX > Asunto: Announce: GRX 2.3.4 pre-release > > Hi, all: > > Announce GRX 2.3.4 pre-release. > > Main changes: > > - user's guide updated again. > - ctx2pnm included. > - new grxdemo.c and pnmtest.c test programs. > - test programs changed a little, to remove warnings and to use GRX > keyborad interface when possible. > - pascal subdirectory update (contributed by Eike Lange). > - Win32 target (see bellow). > - user's guide ported to info format (contributed by Vicente Fuentes > Gea) > > This is a pre-release, I have checked the library on DJGPPv2, > Mingw32, Linux svgalib and Linux X11. (On X11, the bgi demos don't work, > I don't know why). > > It will be nice if borland, wattcom and pascal users can check the > makefiles. > > Is there any DJGPPv1 user? If not, I will want to remove support for > it in future releases, I think it doesn't make sense. > > About the new Win32 target. Yes, here is it, but not, I don't have > (yet) a windows driver. Grx compiles OK using Mingw32 (except the print > addon), but with the memory driver only (you can check it using the > memtest.c program). > > I wil wait a week or two to release the final version. > > Download: > > http://www.terra.es/personal/malfer/zipfiles/grx234.tgz > > Greetings, M.Alvarez > >

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Announce: GRX 2.3.4 pre-release
by Mariano Alvarez Fernandez 06 Feb '01

06 Feb '01

Hi, all: Announce GRX 2.3.4 pre-release. Main changes: - user's guide updated again. - ctx2pnm included. - new grxdemo.c and pnmtest.c test programs. - test programs changed a little, to remove warnings and to use GRX keyborad interface when possible. - pascal subdirectory update (contributed by Eike Lange). - Win32 target (see bellow). - user's guide ported to info format (contributed by Vicente Fuentes Gea) This is a pre-release, I have checked the library on DJGPPv2, Mingw32, Linux svgalib and Linux X11. (On X11, the bgi demos don't work, I don't know why). It will be nice if borland, wattcom and pascal users can check the makefiles. Is there any DJGPPv1 user? If not, I will want to remove support for it in future releases, I think it doesn't make sense. About the new Win32 target. Yes, here is it, but not, I don't have (yet) a windows driver. Grx compiles OK using Mingw32 (except the print addon), but with the memory driver only (you can check it using the memtest.c program). I wil wait a week or two to release the final version. Download: http://www.terra.es/personal/malfer/zipfiles/grx234.tgz Greetings, M.Alvarez

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Announce: GRX 2.3.3
by Mariano Alvarez Fernandez 01 Feb '01

01 Feb '01

Hi! I have pakaged a new GRX release, these are the changes: - Applied the last patch from Andris Pavenis. - Added the updated GRX user's guide. - BGI test programs moved to test/bgi. - bgi fonts removed, sorry. - And the big one. Modified the head sources (BCC2GRX included) to point to copying.grx instead doc/copying.cb. Note that the license has not changed. The modification is only to clarify it and to integrate BCC2GRX . Testing. I have tested the library on DJGPPv2, linux svgalib and linux X11. The bgidemo doesn't work on X11. People who can test other plattforms are welcome. Future plans. I will wait a month or so. If no GRX authors disagree with the big change I will release 2.3.4 with some changes on the test programs and adding my ctx2pnm routines (and any other changes people can submit). I want 2.3.4 to be the next official GRX release, so Peter can put it in the GRX main page if he wants, and I can package it for the DJGPP simtel library. Download. http://www.terra.es/personal/malfer/zipfiles/grx233.tgz Greetings, M.Alvarez P.D. I know, my english is terrific, sorry.

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Updates for grx-2.3.2
by pavenis＠lanet.lv 15 Jan '01

15 Jan '01

Hi! I finally tried to merge my modifications into grx-2.3.2: - printing support from bcc2grx - adding const to parameters in some place. Perhaps it should be done more carefully (simply I tried to eliminate compiler warnings from my C++ programs which uses BCC2GRX) - makefiles for grx-2.3.2 doesn't provide rules for including BGI fonts in object library. Currently I didn't have time to mess much with makefiles, so I only put shell script in chr directory which does this for DJGPP - removing some other warnings Andris The following section of this message contains a file attachment prepared for transmission using the Internet MIME message format. If you are using Pegasus Mail, or any another MIME-compliant system, you should be able to save it or view it from within your mailer. If you cannot, please ask your system administrator for assistance. ---- File information ----------- File: grx232-upd.diff Date: 5 Dec 2000, 17:55 Size: 16805 bytes. Type: Text

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GRX VESA driver
by Waldemar Schultz 12 Jan '01

12 Jan '01

I experienced a 'bug ?' in GRX 2.3.2 video handling: when you switch back and forth from DOS box to Windows (Alt TAB) the color table / color palette using 256 GrCells is spoiled. i.e. not the contents of the Cells are disturbed, but their resulting color on the screen. Does anybody know about a fix for that problem ? I think it should be possible, as in Allegro for example, it does not occur. And basically IMHO they should do something very similar, but I am not an expert. Thanks for any hints from you experts. -- Gruss Waldemar Schultz. Technische Universität München, Zentrum Mathematik M1, D 80290 München Tel: +49 (0)89 2892 8226 FAX: +49 (0)89 2892 8228

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