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pngs in gfx/fx

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- gave up on wind.png
- add --remove-yflip
This commit is contained in:
yenatch
2017-06-24 00:45:31 -04:00
parent f42e731d76
commit 41ae3610f6
80 changed files with 33 additions and 11 deletions
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26
tools/gfx.c
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@@ -7,7 +7,7 @@
#include "common.h"
static void usage(void) {
fprintf(stderr, "Usage: gfx [--trim-whitespace] [--remove-whitespace] [--interleave] [--remove-duplicates [--keep-whitespace]] [--remove-xflip] [-w width] [-d depth] [-h] [-o outfile] infile\n");
fprintf(stderr, "Usage: gfx [--trim-whitespace] [--remove-whitespace] [--interleave] [--remove-duplicates [--keep-whitespace]] [--remove-xflip] [--remove-yflip] [-w width] [-d depth] [-h] [-o outfile] infile\n");
}
static void error(char *message) {
@@ -26,6 +26,7 @@ struct Options {
int remove_duplicates;
int keep_whitespace;
int remove_xflip;
int remove_yflip;
};
struct Options Options = {
@@ -40,6 +41,7 @@ void get_args(int argc, char *argv[]) {
{"remove-duplicates", no_argument, &Options.remove_duplicates, 1},
{"keep-whitespace", no_argument, &Options.keep_whitespace, 1},
{"remove-xflip", no_argument, &Options.remove_xflip, 1},
{"remove-yflip", no_argument, &Options.remove_yflip, 1},
{"width", required_argument, 0, 'w'},
{"depth", required_argument, 0, 'd'},
{"help", no_argument, 0, 'h'},
@@ -157,12 +159,12 @@ bool flip_exists(uint8_t *tile, uint8_t *tiles, int tile_size, int num_tiles, bo
for (int i = 0; i < tile_size; i++) {
int byte = i;
if (yflip) {
byte = tile_size - 1 - i;
byte = tile_size - 1 - (i ^ 1);
if (Options.interleave && i < half_size) {
byte = half_size - 1 - i;
byte = half_size - 1 - (i ^ 1);
}
}
if (flip) {
if (xflip) {
for (int bit = 0; bit < 8; bit++) {
flip[byte] |= ((tile[i] >> bit) & 1) << (7 - bit);
}
@@ -176,16 +178,12 @@ bool flip_exists(uint8_t *tile, uint8_t *tiles, int tile_size, int num_tiles, bo
return false;
}
bool xflip_exists(uint8_t *tile, uint8_t *tiles, int tile_size, int num_tiles) {
return flip_exists(tile, tiles, tile_size, num_tiles, true, false);
}
void remove_xflip(struct Graphic *graphic) {
void remove_flip(struct Graphic *graphic, bool xflip, bool yflip) {
int tile_size = Options.depth * 8;
if (Options.interleave) tile_size *= 2;
int num_tiles = 0;
for (int i = 0, j = 0; i < graphic->size && j < graphic->size; i += tile_size, j += tile_size) {
while (xflip_exists(&graphic->data[j], graphic->data, tile_size, num_tiles)) {
while (flip_exists(&graphic->data[j], graphic->data, tile_size, num_tiles, xflip, yflip)) {
if (Options.keep_whitespace && is_whitespace(&graphic->data[j], tile_size)) {
break;
}
@@ -253,7 +251,13 @@ int main(int argc, char *argv[]) {
remove_duplicates(&graphic);
}
if (Options.remove_xflip) {
remove_xflip(&graphic);
remove_flip(&graphic, true, false);
}
if (Options.remove_yflip) {
remove_flip(&graphic, false, true);
}
if (Options.remove_xflip && Options.remove_yflip) {
remove_flip(&graphic, true, true);
}
if (Options.remove_whitespace) {
remove_whitespace(&graphic);