Reunify gfx and bin

18 files changed, 54 insertions, 872 deletions

diff --git a/bin/.gitignore b/bin/.gitignore
index 5171e93d..b7d25952 100644
--- a/bin/.gitignore
+++ b/bin/.gitignore
@@ -1,9 +1,11 @@
 *.o
 atch
 bri
+brot
 dtch
 fbatt
 fbclock
+gfxx
 glitch
 hnel
 modem
diff --git a/bin/Makefile b/bin/Makefile
index 9ac12f16..655fc4e0 100644
--- a/bin/Makefile
+++ b/bin/Makefile
@@ -1,5 +1,11 @@
 PREFIX = ~/.local
 MANDIR = $(PREFIX)/share/man
+GFX = cocoa
+
+CFLAGS += -std=c11 -Wall -Wextra -Wpedantic
+LDLIBS = -lm -lutil -lz
+LDLIBS_cocoa = $(LDLIBS) -framework Cocoa
+LDLIBS_x11 = $(LDLIBS) -lX11
 
 BINS += atch
 BINS += dtch
@@ -24,11 +30,13 @@ BINS_LINUX += fbatt
 BINS_LINUX += fbclock
 BINS_LINUX += psfed
 
-BINS_ALL = $(BINS) $(BINS_BSD) $(BINS_LINUX)
+BINS_GFX += brot
+BINS_GFX += gfxx
+
+BINS_ALL = $(BINS) $(BINS_BSD) $(BINS_LINUX) $(BINS_GFX)
 MAN1_ALL = $(BINS_ALL:%=man1/%.1)
 
-CFLAGS += -std=c11 -Wall -Wextra -Wpedantic
-LDLIBS = -lm -lutil -lz
+GFX_OBJ = gfx-$(GFX).o
 
 any: .gitignore tags $(BINS)
 
@@ -36,19 +44,29 @@ bsd: any $(BINS_BSD)
 
 linux: any $(BINS_LINUX)
 
+gfx: any $(BINS_GFX)
+
 .o:
 	$(CC) $(LDFLAGS) $< $(LDLIBS) -o $@
 
 scheme.h: scheme
 	./scheme -c > scheme.h
 
+brot.o gfxx.o gfx-cocoa.o gfx-fb.o gfx-x11.o: gfx.h
+
 fbatt.o fbclock.o: scheme.h
 
-psf2png.o scheme.o: png.h
+gfxx.o psf2png.o scheme.o: png.h
 
 atch: dtch
 	ln -f dtch atch
 
+brot: brot.o $(GFX_OBJ)
+	$(CC) $(LDFLAGS) $@.o $(GFX_OBJ) $(LDLIBS_$(GFX)) -o $@
+
+gfxx: gfxx.o $(GFX_OBJ)
+	$(CC) $(LDFLAGS) $@.o $(GFX_OBJ) $(LDLIBS_$(GFX)) -o $@
+
 open pbcopy pbpaste: pbd
 	ln -f pbd $@
 
diff --git a/bin/README b/bin/README
index 0de6d849..a0353b53 100644
--- a/bin/README
+++ b/bin/README
@@ -8,9 +8,11 @@ DESCRIPTION
      target Linux.
 
      bri(1)      backlight brightness control
+     brot(1)     Mandelbrot renderer
      dtch(1)     detached sessions
      fbatt(1)    framebuffer battery indicator
      fbclock(1)  framebuffer clock
+     gfxx(1)     graphics data explorer
      glitch(1)   PNG glitcher
      hnel(1)     PTY input remapper
      modem(1)    fixed baud rate wrapper
@@ -23,4 +25,10 @@ DESCRIPTION
      wat(1)      watch files
      xx(1)       hexdump
 
-Causal Agency                  December 2, 2018                  Causal Agency
+     To build graphical tools, set one of:
+
+           GFX=cocoa
+           GFX=fb
+           GFX=x11
+
+Causal Agency                  January 17, 2019                  Causal Agency
diff --git a/bin/bin.7 b/bin/bin.7
index 4c5df7f0..c8b876a4 100644
--- a/bin/bin.7
+++ b/bin/bin.7
@@ -1,4 +1,4 @@
-.Dd December 2, 2018
+.Dd January 17, 2019
 .Dt BIN 7
 .Os "Causal Agency"
 .
@@ -19,6 +19,9 @@ Some tools target Linux.
 .It Xr bri 1
 backlight brightness control
 .
+.It Xr brot 1
+Mandelbrot renderer
+.
 .It Xr dtch 1
 detached sessions
 .
@@ -28,6 +31,9 @@ framebuffer battery indicator
 .It Xr fbclock 1
 framebuffer clock
 .
+.It Xr gfxx 1
+graphics data explorer
+.
 .It Xr glitch 1
 PNG glitcher
 .
@@ -61,3 +67,17 @@ watch files
 .It Xr xx 1
 hexdump
 .El
+.
+.Pp
+To build graphical tools,
+set one of:
+.
+.Pp
+.Bl -item -offset indent -compact
+.It
+.Va GFX Ns = Ns Cm cocoa
+.It
+.Va GFX Ns = Ns Cm fb
+.It
+.Va GFX Ns = Ns Cm x11
+.El
diff --git a/gfx/brot.c b/bin/brot.c
index e7ac442d..e7ac442d 100644
--- a/gfx/brot.c
+++ b/bin/brot.c
diff --git a/gfx/cocoa.m b/bin/gfx-cocoa.m
index 7e7b7643..7e7b7643 100644
--- a/gfx/cocoa.m
+++ b/bin/gfx-cocoa.m
diff --git a/gfx/fb.c b/bin/gfx-fb.c
index 75daed22..75daed22 100644
--- a/gfx/fb.c
+++ b/bin/gfx-fb.c
diff --git a/gfx/x11.c b/bin/gfx-x11.c
index f885ac31..f885ac31 100644
--- a/gfx/x11.c
+++ b/bin/gfx-x11.c
diff --git a/gfx/gfx.h b/bin/gfx.h
index 7fdf9f48..7fdf9f48 100644
--- a/gfx/gfx.h
+++ b/bin/gfx.h
diff --git a/gfx/gfxx.c b/bin/gfxx.c
index 7373fd4b..7373fd4b 100644
--- a/gfx/gfxx.c
+++ b/bin/gfxx.c
diff --git a/gfx/man/brot.1 b/bin/man1/brot.1
index 7c1a4087..7c1a4087 100644
--- a/gfx/man/brot.1
+++ b/bin/man1/brot.1
diff --git a/gfx/man/gfxx.1 b/bin/man1/gfxx.1
index d3d1edbd..d3d1edbd 100644
--- a/gfx/man/gfxx.1
+++ b/bin/man1/gfxx.1
diff --git a/gfx/.gitignore b/gfx/.gitignore
deleted file mode 100644
index cdff2c2e..00000000
--- a/gfx/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-*.o
-tags
-brot
-gfxx
diff --git a/gfx/LICENSE b/gfx/LICENSE
deleted file mode 100644
index dba13ed2..00000000
--- a/gfx/LICENSE
+++ /dev/null
@@ -1,661 +0,0 @@
-                    GNU AFFERO GENERAL PUBLIC LICENSE
-                       Version 3, 19 November 2007
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-(including a cross-claim or counterclaim in a lawsuit) alleging that
-any patent claim is infringed by making, using, selling, offering for
-sale, or importing the Program or any portion of it.
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-  11. Patents.
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-  A "contributor" is a copyright holder who authorizes use under this
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-  A contributor's "essential patent claims" are all patent claims
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-  In the following three paragraphs, a "patent license" is any express
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-(such as an express permission to practice a patent or covenant not to
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-  If you convey a covered work, knowingly relying on a patent license,
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-then you must either (1) cause the Corresponding Source to be so
-available, or (2) arrange to deprive yourself of the benefit of the
-patent license for this particular work, or (3) arrange, in a manner
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-license to downstream recipients.  "Knowingly relying" means you have
-actual knowledge that, but for the patent license, your conveying the
-covered work in a country, or your recipient's use of the covered work
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-receiving the covered work authorizing them to use, propagate, modify
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-you grant is automatically extended to all recipients of the covered
-work and works based on it.
-
-  A patent license is "discriminatory" if it does not include within
-the scope of its coverage, prohibits the exercise of, or is
-conditioned on the non-exercise of one or more of the rights that are
-specifically granted under this License.  You may not convey a covered
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-in the business of distributing software, under which you make payment
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-contain the covered work, unless you entered into that arrangement,
-or that patent license was granted, prior to 28 March 2007.
-
-  Nothing in this License shall be construed as excluding or limiting
-any implied license or other defenses to infringement that may
-otherwise be available to you under applicable patent law.
-
-  12. No Surrender of Others' Freedom.
-
-  If conditions are imposed on you (whether by court order, agreement or
-otherwise) that contradict the conditions of this License, they do not
-excuse you from the conditions of this License.  If you cannot convey a
-covered work so as to satisfy simultaneously your obligations under this
-License and any other pertinent obligations, then as a consequence you may
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-the Program, the only way you could satisfy both those terms and this
-License would be to refrain entirely from conveying the Program.
-
-  13. Remote Network Interaction; Use with the GNU General Public License.
-
-  Notwithstanding any other provision of this License, if you modify the
-Program, your modified version must prominently offer all users
-interacting with it remotely through a computer network (if your version
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-from a network server at no charge, through some standard or customary
-means of facilitating copying of software.  This Corresponding Source
-shall include the Corresponding Source for any work covered by version 3
-of the GNU General Public License that is incorporated pursuant to the
-following paragraph.
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-  Notwithstanding any other provision of this License, you have
-permission to link or combine any covered work with a work licensed
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-License will continue to apply to the part which is the covered work,
-but the work with which it is combined will remain governed by version
-3 of the GNU General Public License.
-
-  14. Revised Versions of this License.
-
-  The Free Software Foundation may publish revised and/or new versions of
-the GNU Affero General Public License from time to time.  Such new versions
-will be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-  Each version is given a distinguishing version number.  If the
-Program specifies that a certain numbered version of the GNU Affero General
-Public License "or any later version" applies to it, you have the
-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation.  If the Program does not specify a version number of the
-GNU Affero General Public License, you may choose any version ever published
-by the Free Software Foundation.
-
-  If the Program specifies that a proxy can decide which future
-versions of the GNU Affero General Public License can be used, that proxy's
-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
-  Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-  15. Disclaimer of Warranty.
-
-  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
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-IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
-  16. Limitation of Liability.
-
-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
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-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
-  17. Interpretation of Sections 15 and 16.
-
-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If your software can interact with users remotely through a computer
-network, you should also make sure that it provides a way for users to
-get its source.  For example, if your program is a web application, its
-interface could display a "Source" link that leads users to an archive
-of the code.  There are many ways you could offer source, and different
-solutions will be better for different programs; see section 13 for the
-specific requirements.
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU AGPL, see
-<http://www.gnu.org/licenses/>.
diff --git a/gfx/Makefile b/gfx/Makefile
deleted file mode 100644
index 20ff5ecd..00000000
--- a/gfx/Makefile
+++ /dev/null
@@ -1,45 +0,0 @@
-GFX ?= cocoa
-PREFIX = ~/.local
-
-BINS = brot gfxx
-MAN1 = $(BINS:%=man/%.1)
-
-CFLAGS += -Wall -Wextra -Wpedantic
-LDLIBS = -lm
-LDLIBS_cocoa = -framework Cocoa
-LDLIBS_x11 = -lX11
-
-all: .gitignore tags $(BINS)
-
-tags: *.h *.c
-	ctags -w *.h *.c
-
-brot.o gfxx.o: gfx.h
-
-cocoa.o fb.o x11.o: gfx.h
-
-gfxx.o: png.h
-
-brot: brot.o $(GFX).o
-	$(CC) $(LDFLAGS) brot.o $(GFX).o $(LDLIBS) $(LDLIBS_$(GFX)) -o $@
-
-gfxx: gfxx.o $(GFX).o
-	$(CC) $(LDFLAGS) gfxx.o $(GFX).o $(LDLIBS) $(LDLIBS_$(GFX)) -o $@
-
-clean:
-	rm -f tags *.o $(BINS)
-
-README: man/gfx.7
-	mandoc man/gfx.7 | col -b -x > README
-
-.gitignore: Makefile
-	echo '*.o' tags $(BINS) | tr ' ' '\n' > .gitignore
-
-link:
-	mkdir -p $(PREFIX)/bin $(PREFIX)/share/man/man1
-	ln -s -f $(BINS:%=$(PWD)/%) $(PREFIX)/bin
-	ln -s -f $(MAN1:%=$(PWD)/%) $(PREFIX)/share/man/man1
-
-unlink:
-	rm -f $(BINS:%=$(PREFIX)/bin/%)
-	rm -f $(MAN1:%=$(PREFIX)/share/man/man1/%)
diff --git a/gfx/README b/gfx/README
deleted file mode 100644
index cdb264d9..00000000
--- a/gfx/README
+++ /dev/null
@@ -1,18 +0,0 @@
-GFX(7)                 Miscellaneous Information Manual                 GFX(7)
-
-NAME
-     gfx – graphical utilities
-
-DESCRIPTION
-     Graphial tools targeting Cocoa, X11 and Linux framebuffer.
-
-     brot(1)  Mandelbrot renderer
-     gfxx(1)  graphics data explorer
-
-     To build, run one of:
-
-           make GFX=cocoa
-           make GFX=x11
-           make GFX=fb
-
-Causal Agency                 September 11, 2018                 Causal Agency
diff --git a/gfx/man/gfx.7 b/gfx/man/gfx.7
deleted file mode 100644
index 8c002b89..00000000
--- a/gfx/man/gfx.7
+++ /dev/null
@@ -1,30 +0,0 @@
-.Dd September 11, 2018
-.Dt GFX 7
-.Os "Causal Agency"
-.
-.Sh NAME
-.Nm gfx
-.Nd graphical utilities
-.
-.Sh DESCRIPTION
-Graphial tools targeting
-Cocoa,
-X11
-and Linux framebuffer.
-.
-.Pp
-.Bl -tag -width "gfxx(1)" -compact
-.It Xr brot 1
-Mandelbrot renderer
-.
-.It Xr gfxx 1
-graphics data explorer
-.El
-.
-.Pp
-To build,
-run one of:
-.Pp
-.Dl make GFX=cocoa
-.Dl make GFX=x11
-.Dl make GFX=fb
diff --git a/gfx/png.h b/gfx/png.h
deleted file mode 100644
index 15b6d13d..00000000
--- a/gfx/png.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/* Copyright (C) 2018  C. McEnroe <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <err.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sysexits.h>
-
-static inline uint32_t pngCRCTable(uint8_t n) {
-	static uint32_t table[256];
-	if (table[1]) return table[n];
-	for (int i = 0; i < 256; ++i) {
-		table[i] = i;
-		for (int j = 0; j < 8; ++j) {
-			table[i] = (table[i] >> 1) ^ (table[i] & 1 ? 0xEDB88320 : 0);
-		}
-	}
-	return table[n];
-}
-
-static uint32_t pngCRC;
-
-static inline void pngWrite(FILE *file, const uint8_t *ptr, uint32_t len) {
-	if (!fwrite(ptr, len, 1, file)) err(EX_IOERR, "pngWrite");
-	for (uint32_t i = 0; i < len; ++i) {
-		pngCRC = pngCRCTable(pngCRC ^ ptr[i]) ^ (pngCRC >> 8);
-	}
-}
-static inline void pngInt32(FILE *file, uint32_t n) {
-	pngWrite(file, (uint8_t []) { n >> 24, n >> 16, n >> 8, n }, 4);
-}
-static inline void pngChunk(FILE *file, char type[static 4], uint32_t len) {
-	pngInt32(file, len);
-	pngCRC = ~0;
-	pngWrite(file, (uint8_t *)type, 4);
-}
-
-enum {
-	PNGGrayscale,
-	PNGTruecolor = 2,
-	PNGIndexed,
-	PNGAlpha,
-};
-
-static inline void pngHead(
-	FILE *file, uint32_t width, uint32_t height, uint8_t depth, uint8_t color
-) {
-	pngWrite(file, (uint8_t *)"\x89PNG\r\n\x1A\n", 8);
-	pngChunk(file, "IHDR", 13);
-	pngInt32(file, width);
-	pngInt32(file, height);
-	pngWrite(file, &depth, 1);
-	pngWrite(file, &color, 1);
-	pngWrite(file, (uint8_t []) { 0, 0, 0 }, 3);
-	pngInt32(file, ~pngCRC);
-}
-
-static inline void pngPalette(FILE *file, const uint8_t *pal, uint32_t len) {
-	pngChunk(file, "PLTE", len);
-	pngWrite(file, pal, len);
-	pngInt32(file, ~pngCRC);
-}
-
-enum {
-	PNGNone,
-	PNGSub,
-	PNGUp,
-	PNGAverage,
-	PNGPaeth,
-};
-
-static inline void pngData(FILE *file, const uint8_t *data, uint32_t len) {
-	uint32_t adler1 = 1, adler2 = 0;
-	for (uint32_t i = 0; i < len; ++i) {
-		adler1 = (adler1 + data[i]) % 65521;
-		adler2 = (adler1 + adler2) % 65521;
-	}
-	uint32_t zlen = 2 + 5 * ((len + 0xFFFE) / 0xFFFF) + len + 4;
-	pngChunk(file, "IDAT", zlen);
-	pngWrite(file, (uint8_t []) { 0x08, 0x1D }, 2);
-	for (; len > 0xFFFF; data += 0xFFFF, len -= 0xFFFF) {
-		pngWrite(file, (uint8_t []) { 0x00, 0xFF, 0xFF, 0x00, 0x00 }, 5);
-		pngWrite(file, data, 0xFFFF);
-	}
-	pngWrite(file, (uint8_t []) { 0x01, len, len >> 8, ~len, ~len >> 8 }, 5);
-	pngWrite(file, data, len);
-	pngInt32(file, adler2 << 16 | adler1);
-	pngInt32(file, ~pngCRC);
-}
-
-static inline void pngTail(FILE *file) {
-	pngChunk(file, "IEND", 0);
-	pngInt32(file, ~pngCRC);
-}