Reunify gfx and bin

1 files changed, 0 insertions, 470 deletions

diff --git a/gfx/gfxx.c b/gfx/gfxx.c
deleted file mode 100644
index 0e2a2f2a..00000000
--- a/gfx/gfxx.c
+++ /dev/null
@@ -1,470 +0,0 @@
-/* Copyright (C) 2018  June 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 <fcntl.h>
-#include <math.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-#include "gfx.h"
-#include "png.h"
-
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#define MASK(b) ((1 << (b)) - 1)
-
-static uint32_t rgb(uint8_t r, uint8_t g, uint8_t b) {
-	return (uint32_t)r << 16 | (uint32_t)g << 8 | (uint32_t)b;
-}
-static uint32_t gray(uint8_t n) {
-	return rgb(n, n, n);
-}
-
-static enum {
-	ColorIndexed,
-	ColorGrayscale,
-	ColorRGB,
-	ColorCount,
-} space = ColorRGB;
-static const char *ColorStr[ColorCount] = { "indexed", "grayscale", "rgb" };
-static uint32_t palette[256];
-
-static enum {
-	EndianLittle,
-	EndianBig,
-} byteOrder, bitOrder;
-
-enum { Pad, R, G, B };
-static uint8_t bits[4] = { 8, 8, 8, 8 };
-
-static uint8_t bitsColor(void) {
-	return bits[R] + bits[G] + bits[B];
-}
-static uint8_t bitsTotal(void) {
-	return bits[Pad] + bitsColor();
-}
-
-static size_t offset;
-static size_t width = 16;
-static bool flip;
-static bool mirror;
-static size_t scale = 1;
-
-static const char *prefix = "gfxx";
-
-static size_t size;
-static uint8_t *data;
-
-int init(int argc, char *argv[]) {
-	const char *pal = NULL;
-	const char *path = NULL;
-
-	int opt;
-	while (0 < (opt = getopt(argc, argv, "c:p:b:e:E:n:fmw:z:o:"))) {
-		switch (opt) {
-			break; case 'c':
-				switch (optarg[0]) {
-					break; case 'i': space = ColorIndexed;
-					break; case 'g': space = ColorGrayscale;
-					break; case 'r': space = ColorRGB;
-					break; default: return EX_USAGE;
-				}
-			break; case 'p': pal = optarg;
-			break; case 'e':
-				switch (optarg[0]) {
-					break; case 'l': byteOrder = EndianLittle;
-					break; case 'b': byteOrder = EndianBig;
-					break; default: return EX_USAGE;
-				}
-			break; case 'E':
-				switch (optarg[0]) {
-					break; case 'l': bitOrder = EndianLittle;
-					break; case 'b': bitOrder = EndianBig;
-					break; default: return EX_USAGE;
-				}
-			break; case 'b': {
-				if (strlen(optarg) < 4) return EX_USAGE;
-				for (int i = 0; i < 4; ++i) {
-					bits[i] = optarg[i] - '0';
-				}
-			}
-			break; case 'n': offset = strtoul(optarg, NULL, 0);
-			break; case 'f': flip ^= true;
-			break; case 'm': mirror ^= true;
-			break; case 'w': width = strtoul(optarg, NULL, 0);
-			break; case 'z': scale = strtoul(optarg, NULL, 0);
-			break; case 'o': prefix = optarg;
-			break; default: return EX_USAGE;
-		}
-	}
-	if (argc > optind) path = argv[optind];
-	if (!width || !scale) return EX_USAGE;
-
-	if (pal) {
-		FILE *file = fopen(pal, "r");
-		if (!file) err(EX_NOINPUT, "%s", pal);
-		fread(palette, 4, 256, file);
-		if (ferror(file)) err(EX_IOERR, "%s", pal);
-		fclose(file);
-	} else {
-		for (int i = 0; i < 256; ++i) {
-			double h = i / 256.0 * 6.0;
-			double x = 1.0 - fabs(fmod(h, 2.0) - 1.0);
-			double r = 255.0, g = 255.0, b = 255.0;
-			if      (h <= 1.0) { g *= x; b = 0.0; }
-			else if (h <= 2.0) { r *= x; b = 0.0; }
-			else if (h <= 3.0) { r = 0.0; b *= x; }
-			else if (h <= 4.0) { r = 0.0; g *= x; }
-			else if (h <= 5.0) { r *= x; g = 0.0; }
-			else if (h <= 6.0) { g = 0.0; b *= x; }
-			palette[i] = (uint32_t)r << 16 | (uint32_t)g << 8 | (uint32_t)b;
-		}
-	}
-
-	if (path) {
-		int fd = open(path, O_RDONLY);
-		if (fd < 0) err(EX_NOINPUT, "%s", path);
-
-		struct stat stat;
-		int error = fstat(fd, &stat);
-		if (error) err(EX_IOERR, "%s", path);
-		size = stat.st_size;
-
-		data = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
-		if (data == MAP_FAILED) err(EX_IOERR, "%s", path);
-
-	} else {
-		size = 1024 * 1024;
-		data = malloc(size);
-		if (!data) err(EX_OSERR, "malloc(%zu)", size);
-
-		size = fread(data, 1, size, stdin);
-		if (ferror(stdin)) err(EX_IOERR, "(stdin)");
-	}
-
-	return EX_OK;
-}
-
-static char options[128];
-static void formatOptions(void) {
-	snprintf(
-		options, sizeof(options),
-		"gfxx -c %s -e%c -E%c -b %hhu%hhu%hhu%hhu -n 0x%zX %s%s-w %zu -z %zu",
-		ColorStr[space],
-		"lb"[byteOrder],
-		"lb"[bitOrder],
-		bits[Pad], bits[R], bits[G], bits[B],
-		offset,
-		flip ? "-f " : "",
-		mirror ? "-m " : "",
-		width,
-		scale
-	);
-}
-
-const char *status(void) {
-	formatOptions();
-	return options;
-}
-
-struct Iter {
-	uint32_t *buf;
-	size_t bufWidth;
-	size_t bufHeight;
-	size_t left;
-	size_t x;
-	size_t y;
-};
-
-static struct Iter iter(uint32_t *buf, size_t bufWidth, size_t bufHeight) {
-	struct Iter it = { .buf = buf, .bufWidth = bufWidth, .bufHeight = bufHeight };
-	if (mirror) it.x = width - 1;
-	if (flip) it.y = bufHeight / scale - 1;
-	return it;
-}
-
-static bool nextX(struct Iter *it) {
-	if (mirror) {
-		if (it->x == it->left) return false;
-		it->x--;
-	} else {
-		it->x++;
-		if (it->x == it->left + width) return false;
-	}
-	return true;
-}
-
-static bool nextY(struct Iter *it) {
-	if (flip) {
-		if (it->y == 0) {
-			it->left += width;
-			it->y = it->bufHeight / scale;
-		}
-		it->y--;
-	} else {
-		it->y++;
-		if (it->y == it->bufHeight / scale) {
-			it->left += width;
-			it->y = 0;
-		}
-	}
-	it->x = it->left;
-	if (mirror) it->x += width - 1;
-	return (it->left < it->bufWidth / scale);
-}
-
-static bool next(struct Iter *it) {
-	return nextX(it) || nextY(it);
-}
-
-static void put(const struct Iter *it, uint32_t pixel) {
-	size_t scaledX = it->x * scale;
-	size_t scaledY = it->y * scale;
-	for (size_t fillY = scaledY; fillY < scaledY + scale; ++fillY) {
-		if (fillY >= it->bufHeight) break;
-		for (size_t fillX = scaledX; fillX < scaledX + scale; ++fillX) {
-			if (fillX >= it->bufWidth) break;
-			it->buf[fillY * it->bufWidth + fillX] = pixel;
-		}
-	}
-}
-
-static uint8_t interp(uint8_t b, uint32_t n) {
-	if (b == 8) return n;
-	if (b == 0) return 0;
-	return n * MASK(8) / MASK(b);
-}
-
-static uint32_t interpolate(uint32_t orig) {
-	uint32_t r, g, b;
-	if (bitOrder == EndianLittle) {
-		b = orig & MASK(bits[B]);
-		g = (orig >>= bits[B]) & MASK(bits[G]);
-		r = (orig >>= bits[G]) & MASK(bits[R]);
-	} else {
-		r = orig & MASK(bits[R]);
-		g = (orig >>= bits[R]) & MASK(bits[G]);
-		b = (orig >>= bits[G]) & MASK(bits[B]);
-	}
-	return rgb(interp(bits[R], r), interp(bits[G], g), interp(bits[B], b));
-}
-
-static void drawBits(struct Iter *it) {
-	for (size_t i = offset; i < size; ++i) {
-		for (uint8_t b = 0; b < 8; b += bitsTotal()) {
-			uint8_t n;
-			if (byteOrder == EndianBig) {
-				n = data[i] >> (8 - bitsTotal() - b) & MASK(bitsTotal());
-			} else {
-				n = data[i] >> b & MASK(bitsTotal());
-			}
-
-			if (space == ColorIndexed) {
-				put(it, palette[n]);
-			} else if (space == ColorGrayscale) {
-				put(it, gray(interp(bitsColor(), n & MASK(bitsColor()))));
-			} else if (space == ColorRGB) {
-				put(it, interpolate(n));
-			}
-
-			if (!next(it)) return;
-		}
-	}
-}
-
-static void drawBytes(struct Iter *it) {
-	uint8_t bytes = (bitsTotal() + 7) / 8;
-	for (size_t i = offset; i + bytes <= size; i += bytes) {
-		uint32_t n = 0;
-		for (size_t b = 0; b < bytes; ++b) {
-			n <<= 8;
-			n |= (byteOrder == EndianBig) ? data[i + b] : data[i + bytes - b - 1];
-		}
-
-		if (space == ColorIndexed) {
-			put(it, palette[n & 0xFF]);
-		} else if (space == ColorGrayscale) {
-			put(it, gray(interp(bitsColor(), n & MASK(bitsColor()))));
-		} else if (space == ColorRGB) {
-			put(it, interpolate(n));
-		}
-
-		if (!next(it)) return;
-	}
-}
-
-static struct {
-	unsigned counter;
-	char path[FILENAME_MAX];
-	FILE *file;
-} out;
-static void outOpen(const char *ext) {
-	snprintf(out.path, sizeof(out.path), "%s%04u.%s", prefix, ++out.counter, ext);
-	out.file = fopen(out.path, "wx");
-	if (out.file) {
-		printf("%s\n", out.path);
-	} else {
-		warn("%s", out.path);
-	}
-}
-
-static void pngDump(uint32_t *src, size_t srcWidth, size_t srcHeight) {
-	int error;
-
-	size_t stride = 1 + 3 * srcWidth;
-	uint8_t data[stride * srcHeight];
-	for (size_t y = 0; y < srcHeight; ++y) {
-		data[y * stride] = 0;
-		for (size_t x = 0; x < srcWidth; ++x) {
-			uint8_t *p = &data[y * stride + 1 + 3 * x];
-			p[0] = src[y * srcWidth + x] >> 16;
-			p[1] = src[y * srcWidth + x] >> 8;
-			p[2] = src[y * srcWidth + x];
-		}
-	}
-
-	outOpen("png");
-	if (!out.file) return;
-
-	const char Software[] = "Software";
-	formatOptions();
-	uint8_t sbit[3] = { MAX(bits[R], 1), MAX(bits[G], 1), MAX(bits[B], 1) };
-
-	pngHead(out.file, srcWidth, srcHeight, 8, PNGTruecolor);
-
-	pngChunk(out.file, "tEXt", sizeof(Software) + strlen(options));
-	pngWrite(out.file, (uint8_t *)Software, sizeof(Software));
-	pngWrite(out.file, (uint8_t *)options, strlen(options));
-	pngInt32(out.file, ~pngCRC);
-
-	pngChunk(out.file, "sBIT", sizeof(sbit));
-	pngWrite(out.file, sbit, sizeof(sbit));
-	pngInt32(out.file, ~pngCRC);
-
-	pngData(out.file, data, sizeof(data));
-	pngTail(out.file);
-
-	error = fclose(out.file);
-	if (error) err(EX_IOERR, "%s", out.path);
-}
-
-static enum {
-	DumpNone,
-	DumpOne,
-	DumpAll,
-} dump;
-
-void draw(uint32_t *buf, size_t bufWidth, size_t bufHeight) {
-	memset(buf, 0, 4 * bufWidth * bufHeight);
-	struct Iter it = iter(buf, bufWidth, bufHeight);
-	if (bitsTotal() >= 8) {
-		drawBytes(&it);
-	} else {
-		drawBits(&it);
-	}
-	if (dump) pngDump(buf, bufWidth, bufHeight);
-	if (dump == DumpOne) dump = DumpNone;
-}
-
-static void palSample(void) {
-	size_t temp = scale;
-	scale = 1;
-	draw(palette, 256, 1);
-	scale = temp;
-}
-
-static void palDump(void) {
-	outOpen("dat");
-	if (!out.file) return;
-
-	fwrite(palette, 4, 256, out.file);
-	if (ferror(out.file)) err(EX_IOERR, "%s", out.path);
-
-	int error = fclose(out.file);
-	if (error) err(EX_IOERR, "%s", out.path);
-}
-
-static const uint8_t Presets[][4] = {
-	{ 0, 0, 1, 0 },
-	{ 0, 1, 1, 0 },
-	{ 1, 1, 1, 1 },
-	{ 2, 2, 2, 2 },
-	{ 0, 3, 3, 2 },
-	{ 4, 4, 4, 4 },
-	{ 1, 5, 5, 5 },
-	{ 0, 5, 6, 5 },
-	{ 0, 8, 8, 8 },
-	{ 8, 8, 8, 8 },
-};
-static const size_t PresetsLen = sizeof(Presets) / sizeof(Presets[0]);
-
-static uint8_t preset = PresetsLen - 1;
-static void setPreset(void) {
-	bits[Pad] = Presets[preset][Pad];
-	bits[R] = Presets[preset][R];
-	bits[G] = Presets[preset][G];
-	bits[B] = Presets[preset][B];
-}
-
-static void setBit(char in) {
-	static uint8_t bit = 0;
-	bits[bit++] = in - '0';
-	bit &= 3;
-}
-
-bool input(char in) {
-	size_t pixel = (bitsTotal() + 7) / 8;
-	size_t row = width * bitsTotal() / 8;
-	switch (in) {
-		break; case 'q': return false;
-		break; case 'x': dump = DumpOne;
-		break; case 'X': dump ^= DumpAll;
-		break; case 'o': formatOptions(); printf("%s\n", options);
-		break; case '[': if (!space--) space = ColorCount - 1;
-		break; case ']': if (++space == ColorCount) space = 0;
-		break; case 'p': palSample();
-		break; case 'P': palDump();
-		break; case '{': if (!preset--) preset = PresetsLen - 1; setPreset();
-		break; case '}': if (++preset == PresetsLen) preset = 0; setPreset();
-		break; case 'e': byteOrder ^= EndianBig;
-		break; case 'E': bitOrder ^= EndianBig;
-		break; case 'h': if (offset) offset--;
-		break; case 'j': offset += pixel;
-		break; case 'k': if (offset >= pixel) offset -= pixel;
-		break; case 'l': offset++;
-		break; case 'H': if (offset >= row) offset -= row;
-		break; case 'J': offset += width * row;
-		break; case 'K': if (offset >= width * row) offset -= width * row;
-		break; case 'L': offset += row;
-		break; case '.': width++;
-		break; case ',': if (width > 1) width--;
-		break; case '>': width *= 2;
-		break; case '<': if (width > 1) width /= 2;
-		break; case 'f': flip ^= true;
-		break; case 'm': mirror ^= true;
-		break; case '+': scale++;
-		break; case '-': if (scale > 1) scale--;
-		break; default: if (in >= '0' && in <= '9') setBit(in);
-	}
-	return true;
-}