User:Remark/Icon2ppm.c - Revision history

LoganA: Icon2ppm.c moved to User:Remark/Icon2ppm.c

2009-08-10T20:16:19Z

Icon2ppm.c moved to User:Remark/Icon2ppm.c

← Older revision		Revision as of 00:16, 11 August 2009
(No difference)

Remark: Added Syntax-coloring.

2009-05-22T07:26:53Z

Added Syntax-coloring.

Show changes

Remark at 18:07, 12 May 2009

2009-05-12T16:07:09Z

← Older revision		Revision as of 20:07, 12 May 2009
Line 183:		Line 183:

	// todo: flipz!		// todo: flipz!
	if((seq & FLAG_FLIPV) = FLAG_FLIPV)		if((seq & FLAG_FLIPV) == FLAG_FLIPV)
	fprintf(stderr, "warning: vertical flip ignored on sequence #%d\n", i);		fprintf(stderr, "warning: vertical flip ignored on sequence #%d\n", i);
	if((seq & FLAG_FLIPH) = FLAG_FLIPH)		if((seq & FLAG_FLIPH) == FLAG_FLIPH)
	fprintf(stderr, "warning: horizontal flip ignored on sequence #%d\n", i);		fprintf(stderr, "warning: horizontal flip ignored on sequence #%d\n", i);

Remark: Oops.

2009-04-27T19:35:26Z

Oops.

← Older revision		Revision as of 23:35, 27 April 2009
Line 23:		Line 23:

	#define BNR_VER 0x0301		#define BNR_VER 0x0301
	#define FLAG_FLIPV ~~0x8000~~		#define FLAG_FLIPV 0x80
	#define FLAG_FLIPH ~~0x4000~~		#define FLAG_FLIPH 0x40
	typedef struct {		typedef struct {
	u16 version;		u16 version;
Line 148:		Line 148:
	bannerstruct* bnr = (bannerstruct*) f_buf;		bannerstruct* bnr = (bannerstruct*) f_buf;
	// check magic		// check magic
	if(be16(&bnr->version) != BNR_VER)		if(be16((u8*)&bnr->version) != BNR_VER)
	{		{
	fprintf(stderr, "invalid banner icon (magic mismatch)\n");		fprintf(stderr, "invalid banner icon (magic mismatch)\n");
Line 183:		Line 183:

	// todo: flipz!		// todo: flipz!
	if(seq & FLAG_FLIPV = FLAG_FLIPV)		if((seq & FLAG_FLIPV) = FLAG_FLIPV)
	fprintf(stderr, "warning: vertical flip ignored on sequence #%d\n", i);		fprintf(stderr, "warning: vertical flip ignored on sequence #%d\n", i);
	if(seq & FLAG_FLIPH = FLAG_FLIPH)		if((seq & FLAG_FLIPH) = FLAG_FLIPH)
	fprintf(stderr, "warning: horizontal flip ignored on sequence #%d\n", i);		fprintf(stderr, "warning: horizontal flip ignored on sequence #%d\n", i);

Remark: I'll just leave this here..

2009-04-27T19:31:05Z

I'll just leave this here..

New page

// DSi icon2ppm - #dsidev
// written by remark
// thanks to loopy_, bLASTY

// Copyright 2007,2008 Segher Boessenkool <segher@kernel.crashing.org>
// Licensed under the terms of the GNU GPL, version 2
// http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt

#include <stdio.h>
#include <unistd.h>
typedef unsigned long u32;
typedef unsigned short u16;
typedef unsigned char u8;

u16 be16(const u8 *p)
{
return (p[0] << 8) | p[1];
}
u32 be32(const u8 *p)
{
return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
}

#define BNR_VER 0x0301
#define FLAG_FLIPV 0x8000
#define FLAG_FLIPH 0x4000
typedef struct {
u16 version;
u16 crcs[4];
u8 padding[0x16];
u8 bitmap[0x200];
u16 palette[0x10];
u8 title_jap[0x100];
u8 title_eng[0x100];
u8 title_fr[0x100];
u8 title_ger[0x100];
u8 title_ita[0x100];
u8 title_spa[0x100];
u8 title_unk[0x100];
u8 title_unk2[0x100];
u8 padding2[0x800];
u8 bitmaps[8][0x200];
u16 palettes[8][0x10];
u16 sequence[0x40];
} bannerstruct;

int flength(FILE *f)
{
int pos,end;
pos = ftell (f);
fseek (f, 0, SEEK_END);
end = ftell (f);
fseek (f, pos, SEEK_SET);
return end;
}

void do_bitmap(u8* bitmap, u16* palette, char* fname)
{
FILE *fp = fopen(fname, "wb");
if (fp == NULL)
{
fprintf(stderr, "file cannot be opened: %s\n", fname);
exit(1);
}
fprintf(fp, "P6 %d %d 255\n", 32, 32);

// fix 8x8 tiling
u8 tilebuf[0x204];
int x,y,z;
for(x=0; x<4; x++)
{
for(y=0; y<8; y++)
{
for(z=0; z<8; z++)
{
memcpy(tilebuf+(x*128)+(16*y)+(4*z),
bitmap+(x*128)+(32*z)+(4*y), 4);
}
}
}

// convert to rgb888
int i,j;
u8 pixeldata[32*32][3];
for(i=0; i<0x200; i++)
{
u8 off = tilebuf[i];
int offs[2];
offs[0] = off&0x0F;
offs[1] = (off&0xF0)>>4;

u16 colors[2];
colors[0] = *(palette+offs[0]);
colors[1] = *(palette+offs[1]);

for(j=0; j<2; j++)
{
u8 r = (colors[j] ) & 0x1f;
u8 g = (colors[j] >> 5) & 0x1f;
u8 b = (colors[j] >> 10) & 0x1f;
pixeldata[i*2+j][0] = (r << 3);
pixeldata[i*2+j][1] = (g << 3);
pixeldata[i*2+j][2] = (b << 3);
}
}

if(fwrite(pixeldata, sizeof(pixeldata), 1, fp) != 1)
{
fprintf(stderr, "writing output-file failed\n");
exit(1);
}
fclose(fp);
}

int main(int argc, char* argv[])
{
if(argc != 2)
{
fprintf(stderr, "usage: %s <icon.bin>\n", argv[0]);
exit(0);
}

FILE* fp = fopen(argv[1], "rb");
if(fp == NULL)
{
fprintf(stderr, "input file not found\n");
exit(1);
}

int f_len = flength(fp);
char* f_buf = malloc(f_len);
if(f_buf == NULL)
{
fprintf(stderr, "not enough memory\n");
exit(1);
}
if(fread(f_buf, f_len, 1, fp) != 1)
{
fprintf(stderr, "file read failure\n");
exit(1);
}

char dirname[256];
snprintf(dirname, sizeof(dirname), "%s.out", argv[1]);
mkdir(dirname, 0777);
chdir(dirname);

bannerstruct* bnr = (bannerstruct*) f_buf;
// check magic
if(be16(&bnr->version) != BNR_VER)
{
fprintf(stderr, "invalid banner icon (magic mismatch)\n");
exit(1);
}

// extract default bitmap
do_bitmap(bnr->bitmap, bnr->palette, "default.ppm");

// loop through all sequences
u16* pseq = bnr->sequence;
u16 seq, i;
for(i=0; (seq = be16((u8*) pseq+i)) != 0; i++)
{
// masking out
int bid = (seq&0x7);
int pid = (seq&0x38)>>3;

// write to logfile
char fname[256];
snprintf(fname, sizeof(fname), "seq#%d.txt", i);

FILE* flog = fopen(fname, "w+");
if(flog == NULL)
{
fprintf(stderr, "log-file couldn't be created\n");
exit(1);
}

fprintf(flog, "duration : %d frames\n", (seq&0xFF00)>>8);
fprintf(flog, "bitmap : #%d\n", bid);
fprintf(flog, "palette : #%d\n", pid);
fclose(flog);

// todo: flipz!
if(seq & FLAG_FLIPV = FLAG_FLIPV)
fprintf(stderr, "warning: vertical flip ignored on sequence #%d\n", i);
if(seq & FLAG_FLIPH = FLAG_FLIPH)
fprintf(stderr, "warning: horizontal flip ignored on sequence #%d\n", i);

// change extension to .ppm
char* dot_pos = strchr(fname, '.');
strcpy(dot_pos, ".ppm");

// extract bitmap to file
do_bitmap(bnr->bitmaps[bid], bnr->palettes[pid], fname);
}

fclose(fp);
free(f_buf);

return 0;
}