diff options
Diffstat (limited to '')
| -rw-r--r-- | bin/brot.c (renamed from gfx/brot.c) | 0 | ||||
| -rw-r--r-- | bin/gfx-cocoa.m (renamed from gfx/cocoa.m) | 0 | ||||
| -rw-r--r-- | bin/gfx-fb.c (renamed from gfx/fb.c) | 0 | ||||
| -rw-r--r-- | bin/gfx-x11.c (renamed from gfx/x11.c) | 0 | ||||
| -rw-r--r-- | bin/gfx.h (renamed from gfx/gfx.h) | 0 | ||||
| -rw-r--r-- | bin/gfxx.c (renamed from gfx/gfxx.c) | 0 | ||||
| -rw-r--r-- | bin/man1/brot.1 (renamed from gfx/man/brot.1) | 0 | ||||
| -rw-r--r-- | bin/man1/gfxx.1 (renamed from gfx/man/gfxx.1) | 0 | ||||
| -rw-r--r-- | gfx/.gitignore | 4 | ||||
| -rw-r--r-- | gfx/LICENSE | 661 | ||||
| -rw-r--r-- | gfx/Makefile | 45 | ||||
| -rw-r--r-- | gfx/README | 18 | ||||
| -rw-r--r-- | gfx/man/gfx.7 | 30 | ||||
| -rw-r--r-- | gfx/png.h | 108 |
14 files changed, 0 insertions, 866 deletions
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 - - Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The GNU Affero General Public License is a free, copyleft license for -software and other kinds of works, specifically designed to ensure -cooperation with the community in the case of network server software. - - The licenses for most software and other practical works are designed -to take away your freedom to share and change the works. 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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); -} |