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Announce: GRX 2.4.2
by Mariano Alvarez Fernandez 21 Jun '01

21 Jun '01

Hi all: I'm pleased to announce GRX 2.4.2 Here is the changelog: 01/06/12 Modified win32 input code to work GrMouseGetEvent and GrKeyRead at the same time when GrMouseEventEnable(1,0) is set 01/06/07 Merged makedefs.gnu, makedefs.x11, makedefs.dj2 and makedefs.w32 in makedefs.grx (readme file updated) 01/06/06 Now we can use "GRXMain" for all GRX versions, grx20.h defines it like "main" except for the win32 version. Deleted the ugly "#ifdef __WIN32__ ..." in test programs (except for BGI tests) 01/06/05 Added the Linux framebuffer videodriver (vdrivers/vd_lnxfb.c) alpha stage, only in 16 or 24 bpp. To use it set GRX20DRV to "linuxfb" in the GRX Linux version. The mouse doesn't work 01/06/05 Some minimal changes to compile ok with gcc 2.96 and Linux 2.4.x 01/05/30 Applied patch to sanity bgi code for gcc 3.0, by Andris Pavenis 01/05/28 Modified makefiles for linux and x11. Now they build shared and static libs at the same time. Added install and uninstall targets. 01/05/16 Applied patch to add standard pascal makefiles for dj2, w32, x11 and lnx. pascal/bgi/test and pascal/bgi/demo merged in pascal/bgi. Pascal readme updated. By Maurice Lombardi 01/05/09 Applied patch to produce makefiles for mingw32 pascal tests by Maurice Lombardi Download: For linux/X11 users: http://www.terra.es/personal/malfer/zipfiles/grx242.tar.gz For DJGPP/Mingw users (with manifests files): http://www.terra.es/personal/malfer/zipfiles/grx242s.zip Enjoy, M.Alvarez

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Re: Announce: GRX 2.4.2
by Mariano Alvarez Fernandez 19 Jun '01

19 Jun '01

Waldemar Schultz escribió: > > What about installing the file grx*.inf to $DJDIR/info/grx.inf ? > so one can type 'info grx' to get started. OK, but some aditional thing is needed to add it to the main menu, do you know what is it? (sorry my knowledge about info is very low) > > A very unimportant remark: > the date of 'last updte' in the 242 manual was _not_ updted, > might confuse somebody. Opps!, I forgot it. > > And a suggestion for cleardevice(): > BCCGRX clears the screen to BLACK, > whilst BGI clears it to the current BACKGROUND color, AFAIK. > I suggest to change this for compatibility: > > void __gr_cleardevice(void) { > _DO_INIT_CHECK; > GrResetClipBox(); //why twice? > //wsz GrFilledBox( 0, 0+PY, getmaxx(), getmaxy()+PY, BLACK); > __gr_Reset_ClipBox(); //why twice? > GrClearScreen(__gr_colorbg); //wsz > moveto( 0, 0); > } > I'm not sure (I don't use and don't know well bccgrx), but I think we have discuss this some time ago and Harmuth said GrFilledBox is necesary to simulate screen pages. But the issue, can be fixed changing BLACK to __gr_colorbg? > > At last a personal question: > from grx242um.inf: > "Note that GrMouseInit set both by default. If you want to use > GrMouseGetEvent and GrKeyRead at the same time, a call to > GrMouseEventEnable( 0,1 ) is needed before input process." > > Q:does that mean to use keybord _only_ in the polling loop? > > See the *note mousetst.c:: example. > > Q:mousetst.c does not use GrMouseEventEnable() nor GrKeRead(). > > still confused, sorry. I will try to explain. If you don't use the mouse you can use GrKeyRead safety. If you use GrMouseGetEvent to get keyboard and mouse event, it's ok too. But if you want to get keyboard inpunt by GrKeyRead and mouse input by GrMouseGetEvent you must call GrMouseEventEnable( 0,1 ). Why? Because if not GrMouseEvent consumes the keyboard inputs and GrKeyRead works erratically. Why to use both functions at the same time?. Well, it can be to easy port a program to GRX (like my parchis game) or because the program defines a interface with separate functions (like the DEPUI gui). Mariano.

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Linux framebuffer
by Mariano Alvarez Fernandez 05 Jun '01

05 Jun '01

Hi,all! I have managed to write a GRX videodriver for the Linux framebuffer (in alpha stage). Is there any body interested in testing it? Really the most difficult part was to find information about the framebuffer, I'm not was able to find any programmer's document, only the source. But when I realized how to map the framebuffer in memory, it was easy, the standard GRX framedrivers do the work.

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Update to Linux and X11 makefiles
by Andris Pavenis 29 May '01

29 May '01

Here is update to Linux and X11 makefiles. I used different suffixes for object files, so both Linux and X11 builds in src directory can be done without overwritting object files. Diffs are generated from files I really used so some extra .CHR files related stuff is inside Andris --- grx241/src/makefile.lnx~2 Thu Apr 26 00:33:28 2001 +++ grx241/src/makefile.lnx Tue May 29 16:53:10 2001 @@ -5,6 +5,8 @@ include ../makedefs.gnu +.SUFFIXES: .o .lo .lso .c .S + INCDIR= -I. -I./include -I../include CCOPT += -DLFB_BY_NEAR_POINTER -pipe @@ -18,10 +20,6 @@ GRX20ST = ../lib/$(GRX_LIB_SUBDIR)/libgrx20.a -ifdef SHARED -CCOPT += -fPIC -D__SHARED__ -endif - OX=.o OP= @@ -32,7 +30,7 @@ $(STD_9) $(STD_10) $(STD_11) $(STD_12) BGI_O= $(BGI_1) $(BGI_2) $(BGI_3) $(BGI_4) \ - $(BGI_5) $(BGI_6) + $(BGI_5) $(BGI_6) $(CHR_1) ADDON_O= ifdef DEBUG @@ -76,38 +74,22 @@ misc/lnxmisc.o \ vdrivers/svgalib.o -ifdef SHARED -# ------------------------ SHARED -all: $(GRX20SHna) +OBJS_SHARED = $(subst .o,.lso,$(O)) +OBJS_STATIC = $(subst .o,.lo,$(O)) -$(GRX20SHna): $(LINUX_i386_SVGALIB_SHARED) $(O) - -rm -f $(GRX20SHna) - $(CC) -shared -Wl,-soname,$(notdir $(GRX20SHli)) -o $(GRX20SHna) $(O) +all: $(GRX20SHna) $(GRX20ST) -$(O): $(LINUX_i386_SVGALIB_SHARED) - -else -# ------------------------- STATIC -all: $(GRX20ST) +$(GRX20SHna): $(OBJS_SHARED) + -rm -f $(GRX20SHna) + $(CC) -shared -Wl,-soname,$(notdir $(GRX20SHli)) -o $(GRX20SHna) $(OBJS_SHARED) -$(GRX20ST): $(LINUX_i386_SVGALIB_STATIC) $(O) +$(GRX20ST): $(OBJS_STATIC) -rm -f $(GRX20ST) - $(AR) -rv $(GRX20ST) $(O) + $(AR) -rv $(GRX20ST) $(OBJS_STATIC) $(RANLIB) $(GRX20ST) -$(O): $(LINUX_i386_SVGALIB_STATIC) -endif - -$(LINUX_i386_SVGALIB_STATIC): - if [ ! -e $(LINUX_i386_SVGALIB_STATIC) ]; then rm -f $(SYSTEM_TAG_PREFIX).* $(O); fi - touch $(LINUX_i386_SVGALIB_STATIC) - -$(LINUX_i386_SVGALIB_SHARED): - if [ ! -e $(LINUX_i386_SVGALIB_SHARED) ]; then rm -f $(SYSTEM_TAG_PREFIX).* $(O); fi - touch $(LINUX_i386_SVGALIB_SHARED) - clean: - rm -f $(O) $(O:.o=.s) $(LINUX_i386_SVGALIB_STATIC) $(LINUX_i386_SVGALIB_SHARED) + rm -f $(OBJS_SHARED) $(OBJS_STATIC) $(subst .o,.c,$(CHR_1)) $(O:.o=.s) cleanall: clean rm -f $(GRX20SHna) $(GRX20SHli) $(GRX20ST) @@ -124,8 +106,17 @@ .c.s: $(CC) -S $(CCOPT) $(INCDIR) $*.c -o $*.s -.c.o: - $(CC) -c $(CCOPT) $(INCDIR) $*.c -o $*.o +.c.lo: + $(CC) -c $(CCOPT) $(INCDIR) $*.c -o $*.lo + +.c.lso: + $(CC) -c -fPIC -D__SHARED__ $(CCOPT) $(INCDIR) $*.c -o $*.lso + +$(subst .o,.c,$(CHR_1)) : ../bin/bin2c + ../bin/bin2c $*.chr _$(shell basename $*)_font $*.c + +../bin/bin2c: + $(CC) -O2 bgi/bin2c.c -o ../bin/bin2c include depend.lnx --- grx241/src/makefile.x11~2 Thu Apr 26 00:28:08 2001 +++ grx241/src/makefile.x11 Tue May 29 16:53:03 2001 @@ -8,6 +8,8 @@ MAKEDEFS_DIR = .. include $(MAKEDEFS_DIR)/makedefs.x11 +.SUFFIXES: .o .xo .xso .c .S + INCDIR= -I. -I./include -I../include $(X11INCS) GRX20SH = ../lib/$(GRX_LIB_SUBDIR)/libgrx20X.so @@ -20,10 +22,6 @@ CCOPT += -DGRX_DEFAULT_FONT_PATH=$(GRX_DEFAULT_FONT_PATH) endif -ifdef SHARED -CCOPT += -fPIC -D__SHARED__ -endif - OX=.o OP= include ./stdobjs.mak @@ -33,7 +31,7 @@ $(STD_9) $(STD_10) $(STD_11) $(STD_12)\ BGI_O= $(BGI_1) $(BGI_2) $(BGI_3) $(BGI_4) \ - $(BGI_5) $(BGI_6) + $(BGI_5) $(BGI_6) $(CHR_1) ADDON_O= ifdef DEBUG @@ -75,39 +73,23 @@ misc/x11misc.o \ vdrivers/vd_xwin.o -ifdef SHARED -# ------------------------ SHARED -all: $(GRX20SHna) +OBJS_SHARED = $(subst .o,.xso,$(O)) +OBJS_STATIC = $(subst .o,.xo,$(O)) -$(GRX20SHna): $(LINUX_i386_X11_SHARED) $(O) - -rm -f $(GRX20SHna) - $(CC) -shared -Wl,-soname,$(notdir $(GRX20SHli)) -o $(GRX20SHna) $(O) +all: $(GRX20SHna) $(GRX20ST) -$(O): $(LINUX_i386_X11_SHARED) - -else -# ------------------------- STATIC -all: $(GRX20ST) +$(GRX20SHna): $(OBJS_SHARED) + -rm -f $(GRX20SHna) + $(CC) -shared -Wl,-soname,$(notdir $(GRX20SHli)) -o $(GRX20SHna) $(OBJS_SHARED) -$(GRX20ST): $(LINUX_i386_X11_STATIC) $(O) +$(GRX20ST): $(OBJS_STATIC) -rm -f $(GRX20ST) - $(AR) -rv $(GRX20ST) $(O) + $(AR) -rv $(GRX20ST) $(OBJS_STATIC) $(RANLIB) $(GRX20ST) -$(O): $(LINUX_i386_X11_STATIC) -endif - - -$(LINUX_i386_X11_STATIC): - -if [ ! -e $(LINUX_i386_X11_STATIC) ]; then rm -f $(SYSTEM_TAG_PREFIX).* $(O); fi - touch $(LINUX_i386_X11_STATIC) - -$(LINUX_i386_X11_SHARED): - -if [ ! -e $(LINUX_i386_X11_SHARED) ]; then rm -f $(SYSTEM_TAG_PREFIX).* $(O); fi - touch $(LINUX_i386_X11_SHARED) clean: - rm -f $(O) $(LINUX_i386_X11_STATIC) $(LINUX_i386_X11_SHARED) + rm -f $(OBJS_STATIC) $(OBJS_SHARED) $(subst .o,.c,$(CHR_1)) cleanall: clean rm -f $(GRX20SHna) $(GRX20SHli) $(GRX20ST) @@ -118,7 +100,16 @@ .c.s: $(CC) -S $(CCOPT) -D__XWIN__ $(INCDIR) $*.c -o $*.s -$(O) : %.o : %.c - $(CC) -c $(CCOPT) -D__XWIN__ $(INCDIR) $*.c -o $*.o +$(OBJS_STATIC) : %.xo : %.c + $(CC) -c $(CCOPT) -D__XWIN__ $(INCDIR) $*.c -o $*.xo + +$(OBJS_SHARED) : %.xso : %.c + $(CC) -c $(CCOPT) -D__XWIN__ -fPIC -D__SHARED__ $(INCDIR) $*.c -o $*.xso + +$(subst .o,.c,$(CHR_1)) : ../bin/bin2c + ../bin/bin2c $*.chr _$(shell basename $*)_font $*.c + +../bin/bin2c: + $(CC) -O2 bgi/bin2c.c -o ../bin/bin2c include depend.x11 --- grx241/src/stdobjs.mak~2 Tue May 29 14:38:05 2001 +++ grx241/src/stdobjs.mak Tue May 29 15:58:07 2001 @@ -326,3 +326,4 @@ $(OP)bgi/bgiprint$(OX) CHR_1 = $(subst .chr,.o,$(wildcard chr/*.chr)) + --- grx241/makefile.x11~2 Tue May 29 14:46:11 2001 +++ grx241/makefile.x11 Tue May 29 15:33:09 2001 @@ -11,15 +11,10 @@ all: libs test bgitest -libs: static_libs shared_libs +libs: + $(MAKE) -C src -f makefile.x11 -static_libs: - $(MAKE) -C src STATIC=1 -f makefile.x11 - -shared_libs: - $(MAKE) -C src SHARED=1 -f makefile.x11 - -test: static_libs +test: libs $(MAKE) -C test -f makefile.x11 ifeq ($(INCLUDE_GPC_SUPPORT),y) $(MAKE) -C pascal -f makefile.x11 @@ -27,7 +22,7 @@ $(MAKE) -C pascal/bgi/test -f makefile.x11 endif -bgitest: static_libs +bgitest: libs $(MAKE) -C test/bgi -f makefile.x11 clean: --- grx241/makefile.lnx~2 Tue Feb 6 22:33:14 2001 +++ grx241/makefile.lnx Tue May 29 16:47:44 2001 @@ -6,15 +6,10 @@ all: libs test bgitest -libs: static_libs shared_libs +libs: + $(MAKE) -C src -f makefile.lnx -static_libs: - $(MAKE) -C src STATIC=1 -f makefile.lnx - -shared_libs: - $(MAKE) -C src SHARED=1 -f makefile.lnx - -test: static_libs +test: libs $(MAKE) -C test -f makefile.lnx ifeq ($(INCLUDE_GPC_SUPPORT),y) $(MAKE) -C pascal -f makefile.lnx @@ -22,7 +17,7 @@ $(MAKE) -C pascal/bgi/test -f makefile.lnx endif -bgitest: static_libs +bgitest: libs $(MAKE) -C test/bgi -f makefile.lnx clean:

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Small fix for bcc2grx
by Andris Pavenis 29 May '01

29 May '01

Here is small fix for bcc2grx: I moved explicit use of memcpy() from getfillpattern() to _gr_getfillpattern and called latest from getfillpattern(). Reason problems with gcc-3.0 dev. version. Although similar problems I met are already submitted in GCC bug database (libstdc++/2989), anyway I think we should clean up libbcc.h to avoid such problems. Andris --- grx241/include/libbcc.h~1 Thu Apr 19 01:20:52 2001 +++ grx241/include/libbcc.h Tue May 29 16:48:26 2001 @@ -30,9 +30,6 @@ 0x230 v2.3 offical release */ #define __BCC2GRX__ 0x22b -#include <malloc.h> -#include <string.h> - #ifdef __cplusplus extern "C" { #endif @@ -661,7 +658,7 @@ /* ----------------------------------------------------------------- */ static _BGI_INLINE_ void getfillpattern(char *pattern) { - memcpy(pattern, &__gr_fpatterns[USER_FILL], 8); + __gr_getfillpattern(pattern); } /* ----------------------------------------------------------------- */ --- grx241/src/bgi/getfillp.c~1 Fri Jan 12 15:32:02 2001 +++ grx241/src/bgi/getfillp.c Tue May 29 14:31:40 2001 @@ -26,5 +26,5 @@ /* ----------------------------------------------------------------- */ void __gr_getfillpattern(char *pattern) { - getfillpattern(pattern); + memcpy(pattern, &__gr_fpatterns[USER_FILL], 8); } --- grx241/test/bgi/bgilink.c~1 Sat Mar 10 18:01:08 2001 +++ grx241/test/bgi/bgilink.c Tue May 29 14:50:47 2001 @@ -1,7 +1,7 @@ /* * Copyright (C) 1993-97 by Hartmut Schirmer */ - +#include <string.h> #include "libbcc.h" static void check_linked( void *ptr )

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Announce: ctx2png
by Mariano Alvarez Fernandez 15 May '01

15 May '01

I want to announce second version of ctx2png. Now it works decently on X11. Ctx2Png is an addon to the GRX graphics library. It loads/saves a context from/to a PNG file. PNG is a lost-less compressed graphics format. It have lots of features, like the ability to handle an alpha channel. You can read more about the PNG format in http://www.libpng.org/pub/png The routines are not very efficient yet, but they work. Download: http://www.terra.es/personal/malfer/zipfiles/ctx2png.zip

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GRX on Arm target
by cj 15 May '01

15 May '01

Has anybody compiled the GRX library for Arm target? Has anybody implemented the Linux frame-buffer support for GRX? Regards CJ ------------------------------------------- The Fastest Browser on Earth now for FREE!! Download Opera 5 for Windows now! Get it at http://www.opera.com/download/ -------------------------------------------

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GRX for GPC: Demo files?
by Markus Gerwinski 15 May '01

15 May '01

Hi folks, are there any demo files for usage of the GRX GNU Pascal interface? Especially I need to know how to just initialize a GRX program - in X11 or - from a shell. Since the Pascal interface of grSetMode has another parameter list as the original function in C, this is a non-trivial problem. Further, I need to know how to handle keyboard events and mouse events with the GRX GPC interface. Thanks in advance for any help Markus -- http://www.gerwinski.de/~markus/

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Mouse Events and Graphics Contexts
by Markus Gerwinski 09 May '01

09 May '01

Hi Folks, is there an easy way to determine the graphics context a mouse event occurred in? Thanks Markus P.S.: I'm currently writing from a temporary account which I'm not allowed to subscribe to the list. So please send the answer via "group reply" or with CC to this address.

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Announce: GRX 2.4.1
by Mariano Alvarez Fernandez 04 May '01

04 May '01

Hi all: I'm pleased to announce GRX 2.4.1 Here is the changelog: 01/04/25 User's guide (info) updated, by Vicente Fuentes Gea 01/04/20 User's guide (html) updated 01/04/19 Applied partially patches to make GRX compile with MS-VC by Hartmut Schirmer 01/04/18 Added install and uninstall targets to src/makefile.dj2 and src/makefile.w32 01/04/18 Patched src/bgi/text7.c to compile Ok with GCC 3.0 by Andris Pavenis 01/04/14 New API routine: GrBitBlt1bpp, contributed by Josu Onandia Added bb1test.c test program 01/04/01 Changed compiler options from "-O6 -fomit-frame-pointer" to "-O2" only. Suggested by Andris Pavenis. 01/03/27 drawpattern and bltr2v_24 added to fdrivers/fd_win32.c 01/03/26 Fixed a bug in pnm/ctx2pnm.c, when grx == NULL the actual context must be used. Reported by Vicente Fuentes Gea 01/03/25 The dj2 version uses now "uclock" in mouse/input.h to get 1ms resolution in input code. Because "uclock" can be unsafe in W3.1 when O_REPROGRAM_TIMER is defined the old code is used. A comment has been added to makedefs.dj2 01/03/25 Changed CLOCKS_PER_SECOND by CLK_TCK for linux in mouse/input.h to get real ticks per second 01/03/24 New API routines: GrSetWindowTitle and GrSleep 01/03/22 Changed DJGPP test macro from __GO32__ to __DJGPP__ by Andris Pavenis Download: For linux/X11 users: http://www.terra.es/personal/malfer/zipfiles/grx241.tar.gz For DJGPP/Mingw users (with manifests files): http://www.terra.es/personal/malfer/zipfiles/grx241s.zip Enjoy, M.Alvarez

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