diff options
Diffstat (limited to 'app/help/mkshg.c')
-rw-r--r-- | app/help/mkshg.c | 455 |
1 files changed, 0 insertions, 455 deletions
diff --git a/app/help/mkshg.c b/app/help/mkshg.c deleted file mode 100644 index 4c708fa..0000000 --- a/app/help/mkshg.c +++ /dev/null @@ -1,455 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include "readpng.h" - -#define PROGNAME "mkshg" - - -int verbose = 0; -int dmpcolortab = 0; -int dmpimage = 0; - -#define MAXRUNLEN (2) - -typedef struct { - unsigned char id0, id1, id2; - unsigned short x, y, w, h; - long hash; - char * name; - char * context; - } hotspot_t; - -int samecolor( long color1, long color2 ) -{ - long c1, c2; - int i; - for ( i=0; i<3; i++ ) { - c1 = (color1&0xFF); - c2 = (color2&0xFF); - if ( c1 != c2 ) { - if ( c1 == 0xFF || c2 == 0xFF ) return FALSE; - c1 = (c1+1)&0xFE; - c2 = (c2+1)&0xFE; - if ( c1 != c2 ) return FALSE; - } - color1 >>= 8; - color2 >>= 8; - } - return TRUE; -} - -void conv24to8( long * colorTab, char * buff, unsigned long channels, unsigned long width24, unsigned long width8, unsigned long height ) -{ - long * lastColor, *cp; - long color; - char * ip; - char *op; - unsigned long h, w; - memset( colorTab, 0, 1024 ); - lastColor = colorTab; - *lastColor++ = 0xC0C0C0; - *lastColor++ = 0xFFFFFF; - *lastColor++ = 0x808080; - *lastColor++ = 0x000000; - op = buff; - for (h=0; h<height; h++) { - ip = buff+(width24*h); - op = buff+(width8*h); - for (w=0; w<width24; w+=channels,op++ ) { - color = ((long)(unsigned char)(ip[0]))<<16; - color += ((long)(unsigned char)(ip[1]))<<8; - color += ((long)(unsigned char)(ip[2])); - ip += channels; - for ( cp=colorTab; cp<lastColor; cp++ ) { - if ( samecolor( color, *cp ) ) { - *op = (char)(cp-colorTab); - goto nextPixel; - } - } - if (lastColor < &colorTab[256]) { - *op = (char)(lastColor-colorTab); - *lastColor++ = color; - } else { - *op = 0; - } -nextPixel: - if ( dmpimage ) { - char c; - if ( *op < 10 ) - printf( "%c", '0'+*op ); - else if ( *op < 10+26 ) - printf( "%c", *op-10+'a' ); - else if ( *op < 10+26+26 ) - printf( "%c", *op-10-26+'A' ); - else - printf( "\%2.2x", *op ); - } - } - *op++ = 0; - *op++ = 0; - if ( dmpimage ) - printf( "00\n" ); - } -if ( dmpcolortab ) { - int i; - for ( i=0; i<lastColor-colorTab; i++ ) { - printf( "C[%3d] %6.6lx\n", i, colorTab[i] ); - } -} -} - - -void compress_data( - unsigned char * ip0, - unsigned long isize, - unsigned char * op0, - unsigned long * osize ) -{ - unsigned char * ip=ip0, * op=op0; - int runlen, norunlen, chunk; - norunlen = 0; - while ( ip < ip0+isize ) { - for ( runlen=0; ip+runlen<ip0+isize && ip[0]==ip[runlen]; runlen++ ); - if ( runlen > MAXRUNLEN || runlen == 0 ) { - while ( norunlen > 0 ) { - if ( norunlen > 0x7F ) - chunk = 0x7F; - else - chunk = norunlen; - *op++ = 0x80|chunk; - memcpy( op, ip-norunlen, chunk ); - op += chunk; - norunlen -= chunk; - } - while ( runlen > MAXRUNLEN ) { - if ( runlen > 0x7F ) - chunk = 0x7F; - else - chunk = runlen; - *op++ = chunk; - *op++ = *ip; - ip += chunk; - runlen -= chunk; - } - } else { - norunlen += runlen; - ip += runlen; - } - } - *osize = op-op0; -} - - -void writeculong( FILE * shgF, unsigned long value ) -{ - unsigned short tmp; - if ( value > 0x7FFF ) { - tmp = (unsigned short)((value&0x7FFF)<<1)+1; - fwrite( &tmp, 2, 1, shgF ); - tmp = (unsigned short)(value>>15); - fwrite( &tmp, 2, 1, shgF ); - } else { - tmp = (unsigned short)(value<<1); - fwrite( &tmp, 2, 1, shgF ); - } -} - -void writecushort( FILE * shgF, unsigned short value ) -{ - unsigned char tmp; - if ( value > 0x7F ) { - tmp = (unsigned short)((value&0x7F)<<1)+1; - fwrite( &tmp, 1, 1, shgF ); - tmp = (unsigned short)(value>>7); - fwrite( &tmp, 1, 1, shgF ); - } else { - tmp = (unsigned short)(value<<1); - fwrite( &tmp, 1, 1, shgF ); - } -} - -void writeShgPic( - FILE * shgF, - unsigned long width, - unsigned long width8, - unsigned long height, - long colorTab[256], - unsigned char * data, - unsigned short hotspotcnt, - hotspot_t * hotspots ) -{ - short int pictype, packmethod; - unsigned long xdpi, ydpi, colorsused, colorsimportant, compressedsize, hotspotsize, compressoffset, hotspotoffset; - unsigned short planes, bitcount; - unsigned char * compressed_data; - unsigned int start_off, offset_off, off; - unsigned short inx; - unsigned char one = 1; - unsigned long macrosize = 0; - - pictype = 6; - packmethod = 1; - xdpi = ydpi = 96; - planes = 1; - bitcount = 8; - colorsused = 256; - colorsimportant = 256; - hotspotsize = (hotspotcnt?7:0); - hotspotoffset = 0; - compressed_data = (unsigned char *)malloc( width8*height ); - compress_data( data, width8*height, compressed_data, &compressedsize ); - for ( inx=0; inx<hotspotcnt; inx++ ) - hotspotsize += 15+strlen(hotspots[inx].name)+1+strlen(hotspots[inx].context)+1; - - start_off = ftell( shgF ); - fwrite( &pictype, 1, 1, shgF ); - fwrite( &packmethod, 1, 1, shgF ); - writeculong( shgF, xdpi ); - writeculong( shgF, ydpi ); - writecushort( shgF, planes ); - writecushort( shgF, bitcount ); - writeculong( shgF, width ); - writeculong( shgF, height ); - writeculong( shgF, colorsused ); - writeculong( shgF, colorsimportant ); - writeculong( shgF, compressedsize ); - writeculong( shgF, hotspotsize ); - offset_off = ftell( shgF ); - compressoffset = offset_off-start_off+8+colorsused*4; - fwrite( &compressoffset, 4, 1, shgF ); - fwrite( &hotspotoffset, 4, 1, shgF ); - if ( verbose ) - printf( "TY=%d, PK=%d, XD=%ld, YD=%ld, PL=%d, BC=%d, W=%ld, H=%ld, CU=%ld, CI=%ld, CS=%ld, HS=%ld, CO=%ld, HO=%ld\n", - pictype, packmethod, xdpi, ydpi, planes, bitcount, width, height, colorsused, colorsimportant, compressedsize, hotspotsize, compressoffset, hotspotoffset ); - fwrite( colorTab, colorsused, 4, shgF ); - fwrite( compressed_data, compressedsize, 1, shgF ); - if ( hotspotcnt>0 ) { - hotspotoffset = ftell( shgF ) - start_off; - fwrite( &one, 1, 1, shgF ); - fwrite( &hotspotcnt, 2, 1, shgF ); - fwrite( ¯osize, 4, 1, shgF ); - for ( inx=0; inx<hotspotcnt; inx++ ) { - fwrite( &hotspots[inx].id0, 1, 1, shgF ); - fwrite( &hotspots[inx].id1, 1, 1, shgF ); - fwrite( &hotspots[inx].id2, 1, 1, shgF ); - fwrite( &hotspots[inx].x, 2, 1, shgF ); - fwrite( &hotspots[inx].y, 2, 1, shgF ); - fwrite( &hotspots[inx].w, 2, 1, shgF ); - fwrite( &hotspots[inx].h, 2, 1, shgF ); - fwrite( &hotspots[inx].hash, 4, 1, shgF ); - } - for ( inx=0; inx<hotspotcnt; inx++ ) { - fwrite( hotspots[inx].name, strlen(hotspots[inx].name)+1, 1, shgF ); - fwrite( hotspots[inx].context, strlen(hotspots[inx].context)+1, 1, shgF ); - } - fseek( shgF, offset_off+4, SEEK_SET ); - fwrite( &hotspotoffset, 4, 1, shgF ); - } - - free( compressed_data ); -} - - -signed char hashTable[256]= -{ - '\x00', '\xD1', '\xD2', '\xD3', '\xD4', '\xD5', '\xD6', '\xD7', - '\xD8', '\xD9', '\xDA', '\xDB', '\xDC', '\xDD', '\xDE', '\xDF', - '\xE0', '\xE1', '\xE2', '\xE3', '\xE4', '\xE5', '\xE6', '\xE7', - '\xE8', '\xE9', '\xEA', '\xEB', '\xEC', '\xED', '\xEE', '\xEF', - '\xF0', '\x0B', '\xF2', '\xF3', '\xF4', '\xF5', '\xF6', '\xF7', - '\xF8', '\xF9', '\xFA', '\xFB', '\xFC', '\xFD', '\x0C', '\xFF', - '\x0A', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', - '\x08', '\x09', '\x0A', '\x0B', '\x0C', '\x0D', '\x0E', '\x0F', - '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', - '\x18', '\x19', '\x1A', '\x1B', '\x1C', '\x1D', '\x1E', '\x1F', - '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', - '\x28', '\x29', '\x2A', '\x0B', '\x0C', '\x0D', '\x0E', '\x0D', - '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', - '\x18', '\x19', '\x1A', '\x1B', '\x1C', '\x1D', '\x1E', '\x1F', - '\x20', '\x21', '\x22', '\x23', '\x24', '\x25', '\x26', '\x27', - '\x28', '\x29', '\x2A', '\x2B', '\x2C', '\x2D', '\x2E', '\x2F', - '\x50', '\x51', '\x52', '\x53', '\x54', '\x55', '\x56', '\x57', - '\x58', '\x59', '\x5A', '\x5B', '\x5C', '\x5D', '\x5E', '\x5F', - '\x60', '\x61', '\x62', '\x63', '\x64', '\x65', '\x66', '\x67', - '\x68', '\x69', '\x6A', '\x6B', '\x6C', '\x6D', '\x6E', '\x6F', - '\x70', '\x71', '\x72', '\x73', '\x74', '\x75', '\x76', '\x77', - '\x78', '\x79', '\x7A', '\x7B', '\x7C', '\x7D', '\x7E', '\x7F', - '\x80', '\x81', '\x82', '\x83', '\x0B', '\x85', '\x86', '\x87', - '\x88', '\x89', '\x8A', '\x8B', '\x8C', '\x8D', '\x8E', '\x8F', - '\x90', '\x91', '\x92', '\x93', '\x94', '\x95', '\x96', '\x97', - '\x98', '\x99', '\x9A', '\x9B', '\x9C', '\x9D', '\x9E', '\x9F', - '\xA0', '\xA1', '\xA2', '\xA3', '\xA4', '\xA5', '\xA6', '\xA7', - '\xA8', '\xA9', '\xAA', '\xAB', '\xAC', '\xAD', '\xAE', '\xAF', - '\xB0', '\xB1', '\xB2', '\xB3', '\xB4', '\xB5', '\xB6', '\xB7', - '\xB8', '\xB9', '\xBA', '\xBB', '\xBC', '\xBD', '\xBE', '\xBF', - '\xC0', '\xC1', '\xC2', '\xC3', '\xC4', '\xC5', '\xC6', '\xC7', - '\xC8', '\xC9', '\xCA', '\xCB', '\xCC', '\xCD', '\xCE', '\xCF' -}; - -void readHotspots( - FILE * inF, - unsigned short * hotspotcnt, - hotspot_t * * hotspotptr ) -{ - hotspot_t hs, *hs_p; - int x, y; - unsigned short hs_c; - char type[80]; - char name[80]; - char line[256], *context; - int off; - int rc; - - hs_c = 0; - hs_p = NULL; - while ( fgets( line, sizeof line, inF ) != NULL ) { - rc=sscanf( line, "%s %hd %hd %hd %hd %n", type, &x, &y, &hs.w, &hs.h, &off ); - if ( hs_c > 0 ) { - if ( x < 0 ) - x = ((int)hs_p[hs_c-1].x) - x; - if ( y < 0 ) - y = ((int)hs_p[hs_c-1].y) - y; - } - hs.x = (unsigned short)x; - hs.y = (unsigned short)y; - if ( rc != 5 ) - fprintf( stderr, "Invalid hotspot syntax: %s", line ); - if ( strcasecmp( type, "jump" ) == 0 ) { - hs.id0 = 0xe7; - hs.id1 = 0x04; - hs.id2 = 0x00; - } else if ( strcasecmp( type, "popup" ) == 0 ) { - hs.id0 = 0xe6; - hs.id1 = 0x04; - hs.id2 = 0x00; - } else if ( strcasecmp( type, "ignore" ) == 0 ) { - continue; - } else { - fprintf( stderr, "Invalid hotspot type: %s", line ); - continue; - } - sprintf( name, "Hotspot %d", hs_c+1 ); - hs.name = strdup( name ); - context = line+off; - off = strlen( context ); - if ( context[off-1] == '\n' ) context[off-1] = 0; - hs.context = strdup( context ); - for (hs.hash=0; *context; context++ ) - hs.hash = (hs.hash*43)+hashTable[(unsigned char)*context]; - hs_c++; - hs_p = (hotspot_t*)realloc( hs_p, hs_c * sizeof hs ); - hs_p[hs_c-1] = hs; - } - *hotspotcnt = hs_c; - *hotspotptr = hs_p; -} - - -void PngToShg( - char * pngFile, - char * shgFile ) -{ - FILE * pngF, * shgF; - int rc; - unsigned long image_width, image_height, image_rowbytes, width8, h; - int image_channels; - unsigned char * image_data; - double display_exponent = 1.0; - - long size, fileSize, maxRecSize; - long colorTab[256]; - - short int magic; - short int piccnt; - long int picoff[1]; - - unsigned short hotspotcnt; - hotspot_t * hotspotptr; - - pngF = fopen( pngFile, "r" ); - if ( pngF == NULL ) { - perror( pngFile ); - return; - } - shgF = fopen( shgFile, "w" ); - if ( shgF == NULL ) { - perror( shgFile ); - return; - } - if ((rc = readpng_init(pngF, &image_width, &image_height)) != 0) { - switch (rc) { - case 1: - fprintf(stderr, PROGNAME - ": [%s] is not a PNG file: incorrect signature\n", - pngFile); - break; - case 2: - fprintf(stderr, PROGNAME - ": [%s] has bad IHDR (libpng longjmp)\n", - pngFile); - break; - case 4: - fprintf(stderr, PROGNAME ": insufficient memory\n"); - break; - default: - fprintf(stderr, PROGNAME - ": unknown readpng_init() error\n"); - break; - } - return; - } - - image_data = readpng_get_image(display_exponent, &image_channels, &image_rowbytes); - width8 = ((image_width+3)/4)*4; - size = width8*image_height; - fileSize = (size+1024)/2 + 70; - maxRecSize = (size+1024)/2 + 34; - - conv24to8( colorTab, image_data, image_channels, image_width*image_channels, width8, image_height ); - - magic = 0x706c; - piccnt = 1; - picoff[0] = 8; - fwrite( &magic, 2, 1, shgF ); - fwrite( &piccnt, 2, 1, shgF ); - fwrite( picoff, 4, piccnt, shgF ); - readHotspots( stdin, &hotspotcnt, &hotspotptr ); - writeShgPic( shgF, image_width, width8, image_height, colorTab, image_data, hotspotcnt, hotspotptr ); - if ( hotspotptr ) - free( hotspotptr ); - - readpng_cleanup(FALSE); - fclose( pngF ); - fclose( shgF ); - free( image_data ); - -} - -int main( argc, argv ) -int argc; char * argv[]; -{ - while ( argc > 1 && argv[1][0] == '-' ) { - switch ( argv[1][1] ) { - case 'v': - verbose++; - break; - case 'c': - dmpcolortab++; - break; - case 'i': - dmpimage++; - break; - default: - fprintf( stderr, "Unknown option: %s\n", argv[1] ); - exit(1); - } - argv++; - argc--; - } - if ( argc != 3 ) { - fprintf( stderr, "Usage: mkshg [-v] [-c] infile.png outfile.shg\n" ); - exit(1); - } - - PngToShg( argv[1], argv[2] ); -} |