diff options
Diffstat (limited to '')
| -rw-r--r-- | bin/gfxx.c | 40 |
1 files changed, 14 insertions, 26 deletions
diff --git a/bin/gfxx.c b/bin/gfxx.c index 840c0e9b..cb0341aa 100644 --- a/bin/gfxx.c +++ b/bin/gfxx.c @@ -43,7 +43,6 @@ static uint32_t palette[256] = { #undef X }; -static bool reverse; static size_t offset; static size_t width = 16; @@ -53,14 +52,6 @@ static size_t scale = 1; static size_t size = 1024 * 1024; // max from pipe. static uint8_t *data; -static uint8_t get(size_t i) { - if (reverse) { - return data[size - i - 1]; - } else { - return data[i]; - } -} - extern int init(int argc, char *argv[]) { const char *path = NULL; const char *palPath = NULL; @@ -77,7 +68,6 @@ extern int init(int argc, char *argv[]) { case 'p': palPath = optarg; break; case 'b': bits = strtoul(optarg, NULL, 0); break; case 'e': endian ^= true; break; - case 'r': reverse ^= true; break; case 'n': offset = strtoul(optarg, NULL, 0); break; case 'w': width = strtoul(optarg, NULL, 0); break; case 'm': mirror ^= true; break; @@ -121,11 +111,10 @@ extern int init(int argc, char *argv[]) { static void printOpts(void) { printf( - "gfxx -c %c -b %hhu %s%s-n %#zx -w %zu %s-z %zu\n", + "gfxx -c %c -b %hhu %s-n %#zx -w %zu %s-z %zu\n", "gpr"[space], bits, endian ? "-e " : "", - reverse ? "-r " : "", offset, width, mirror ? "-m " : "", @@ -184,7 +173,7 @@ static void put(const struct Pos *pos, uint32_t p) { static void drawBits(struct Pos *pos) { for (size_t i = offset; i < size; ++i) { for (int s = 0; s < 8; s += bits) { - uint8_t n = get(i) >> (endian ? 8 - bits - s : s) & MASK(bits); + uint8_t n = data[i] >> (endian ? 8 - bits - s : s) & MASK(bits); if (space == COLOR_PALETTE) { put(pos, palette[n]); } else if (space == COLOR_RGB && bits == 4) { @@ -200,13 +189,13 @@ static void drawBits(struct Pos *pos) { static void draw8(struct Pos *pos) { for (size_t i = offset; i < size; ++i) { if (space == COLOR_GRAYSCALE) { - put(pos, GRAY(get(i))); + put(pos, GRAY(data[i])); } else if (space == COLOR_PALETTE) { - put(pos, palette[get(i)]); + put(pos, palette[data[i]]); } else { - uint32_t r = (endian ? get(i) >> 5 : get(i) >> 0) & MASK(3); - uint32_t g = (endian ? get(i) >> 2 : get(i) >> 3) & MASK(3); - uint32_t b = (endian ? get(i) >> 0 : get(i) >> 6) & MASK(2); + uint32_t r = (endian ? data[i] >> 5 : data[i] >> 0) & MASK(3); + uint32_t g = (endian ? data[i] >> 2 : data[i] >> 3) & MASK(3); + uint32_t b = (endian ? data[i] >> 0 : data[i] >> 6) & MASK(2); put(pos, RGB(SCALE(3, r), SCALE(3, g), SCALE(2, b))); } if (!next(pos)) break; @@ -216,8 +205,8 @@ static void draw8(struct Pos *pos) { static void draw16(struct Pos *pos) { for (size_t i = offset; i + 1 < size; i += 2) { uint16_t n = (endian) - ? (uint16_t)get(i+0) << 8 | (uint16_t)get(i+1) - : (uint16_t)get(i+1) << 8 | (uint16_t)get(i+0); + ? (uint16_t)data[i+0] << 8 | (uint16_t)data[i+1] + : (uint16_t)data[i+1] << 8 | (uint16_t)data[i+0]; uint32_t r = n >> 11 & MASK(5); uint32_t g = n >> 5 & MASK(6); uint32_t b = n >> 0 & MASK(5); @@ -229,9 +218,9 @@ static void draw16(struct Pos *pos) { static void draw24(struct Pos *pos) { for (size_t i = offset; i + 2 < size; i += 3) { if (endian) { - put(pos, RGB(get(i + 0), get(i + 1), get(i + 2))); + put(pos, RGB(data[i + 0], data[i + 1], data[i + 2])); } else { - put(pos, RGB(get(i + 2), get(i + 1), get(i + 0))); + put(pos, RGB(data[i + 2], data[i + 1], data[i + 0])); } if (!next(pos)) break; } @@ -240,9 +229,9 @@ static void draw24(struct Pos *pos) { static void draw32(struct Pos *pos) { for (size_t i = offset; i + 3 < size; i += 4) { if (endian) { - put(pos, RGB(get(i + 1), get(i + 2), get(i + 3))); + put(pos, RGB(data[i + 1], data[i + 2], data[i + 3])); } else { - put(pos, RGB(get(i + 2), get(i + 1), get(i + 0))); + put(pos, RGB(data[i + 2], data[i + 1], data[i + 0])); } if (!next(pos)) break; } @@ -277,13 +266,13 @@ extern void input(char in) { size_t row = width * bits / 8; switch (in) { case 'q': printOpts(); exit(EX_OK); + break; case 'o': printOpts(); break; case '[': if (!space--) space = COLOR__MAX - 1; break; case ']': if (++space == COLOR__MAX) space = 0; break; case 'p': samplePalette(); break; case '{': if (bits > 16) bits -= 8; else bits = (bits + 1) / 2; break; case '}': if (bits < 16) bits *= 2; else if (bits < 32) bits += 8; break; case 'e': endian ^= true; - break; case 'r': reverse ^= true; break; case 'h': if (offset) offset--; break; case 'j': offset += pixel; break; case 'k': if (offset >= pixel) offset -= pixel; @@ -300,5 +289,4 @@ extern void input(char in) { break; case '+': scale++; break; case '-': if (scale > 1) scale--; } - printOpts(); } |