+++ /dev/null
-/* setupdialog : converts a RAW image file into the c structure that the
- * kernel panic ui system expects.
- *
- * to build: cc -o setupdialog setupdialog.c
-*/
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <fcntl.h>
-
-#define RUN_MAX 32767
-
-void create_numbers_file( FILE *stream, char *outfile );
-unsigned int encode_rle(unsigned char * fileArr, unsigned int filePos, unsigned int quantity, unsigned char value);
-
-void
-usage(void) {
- printf("\nusage: setupdialog -i <image file> -oi <image output> -n <numbers file> -on <numbers output>\n");
-
- printf("\nYou can supply a panic image file, a numbers file, or both. Input files\n");
- printf("must be in RAW format where each pixel is represented by an index into the\n");
- printf("MacOS X system CLUT. The first %d bytes must be the width, height, and depth\n", 3 * sizeof(short));
- printf("(in that order, %d bytes each).\n", sizeof(short));
-
- printf("\nThe output files are generated C structures in the format the panic ui code\n");
- printf("expects (default output files are panic_image.c and rendered_numbers.c).\n\n");
-}
-
-int
-main( int argc, char *argv[] )
-{
- int next;
- char *file = NULL, *ptr, *out = NULL, *numsfile = NULL, *numsout = NULL;
- FILE * stream, *out_stream;
- int * data;
- short width = 0, height = 0, depth = 0;
- char word[2];
- char byte;
- unsigned int i, pixels, filePos;
- int err;
- unsigned char *fileArr;
- unsigned char nextP;
- unsigned int count;
- int currP;
- int fd;
- int pairs_this_line;
-
-
- // pull apart the arguments
- for( next = 1; next < argc; next++ )
- {
- if (strcmp(argv[next], "-i") == 0) // image file (RAW/PICT?)
- file = argv[++next];
- else if (strcmp(argv[next], "-n") == 0) // numbers/chars image file (RAW)
- numsfile = argv[++next];
- else if (strcmp(argv[next], "-oi") == 0) // output file for image
- out = argv[++next];
- else if (strcmp(argv[next], "-on") == 0) // output file for numbers
- numsout = argv[++next];
-
- /* perhaps we should just let the user specify the W/H rather than require the header */
- /*
- else if (strcmp(argv[next], "-w") == 0) // image width (pixels)
- width = strtoul(argv[++next], &ptr, 0);
- else if (strcmp(argv[next], "-h") == 0) // image height (pixels)
- width = strtoul(argv[++next], &ptr, 0);
- */
- }
-
- if (!(numsfile || file)) {
- usage();
- exit(1);
- }
-
- if (!numsfile) {
- printf("\nNo numbers file to process\n");
- } else {
- stream = fopen(numsfile, "r");
- if (!stream) {
- printf("bad nums infile.. bailing.\n");
- exit(1);
- }
- create_numbers_file( stream, numsout );
- fclose(stream);
- }
-
- if( file == NULL) {
- printf("\nNo image file to process\n");
- exit(1);
- }
-
- stream = fopen(file, "r");
- if (!stream) {
- printf("bad infile.. bailing.\n");
- exit(1);
- }
-
- printf("\nReading image file...\n");
-
- fread((void *) &width, sizeof(short), 1, stream);
- printf("got width: %d\n", width);
- fread((void *) &height, sizeof(short), 1, stream);
- printf("got height: %d\n", height);
- fread((void *) &depth, sizeof(short), 1, stream);
- printf("got depth: %d\n", depth);
-
- if (!(width && height && depth)) {
- printf("Invalid image file header (width, height, or depth is 0)\n");
- exit(1);
- }
-
- pixels = width * height;
-
- if (!(fileArr = (unsigned char *) malloc(pixels))) {
- printf("couldn't malloc fileArr (%d pixels)... bailing.\n", pixels);
- exit(1);
- }
-
- currP = -1;
- count = 0;
- filePos = 0; // position in the file we're writing out
-
- for (i=0; i < pixels; i++) {
- nextP = fgetc(stream);
- count++;
- if (nextP == currP) {
- if (count >= RUN_MAX) {
- filePos += encode_rle(fileArr, filePos, count, (unsigned char) currP);
- count = 0;
- currP = -1;
- }
- } else {
- if (currP != -1) {
- filePos += encode_rle(fileArr, filePos, count-1, (unsigned char) currP);
- }
- currP = nextP; // start a new run
- count = 1;
- }
- }
-
- // write out any run that was in progress
- if (count > 0) {
- filePos += encode_rle(fileArr, filePos, count, (unsigned char) currP);
- }
-
- fclose( stream );
-
- // now, generate the c file
-
- if ( out == NULL)
- out = "panic_image.c";
- out_stream = fopen(out, "w");
-
- if(out_stream == NULL) {
- printf("couldn't open out file.. bailing\n");
- exit(1);
- }
-
- pairs_this_line = 0;
-
- fprintf( out_stream, "/* generated c file */\n\n");
- fprintf( out_stream, "static const struct {\n");
- fprintf( out_stream, " unsigned int pd_width;\n");
- fprintf( out_stream, " unsigned int pd_height;\n");
- fprintf( out_stream, " unsigned int bytes_per_pixel; /* 1: CLUT, 3:RGB, 4:RGBA */\n");
- fprintf( out_stream, " unsigned char image_pixel_data[%#4.2x];\n", (filePos));
-
- fprintf( out_stream, "} panic_dialog = {\n");
- fprintf( out_stream, "\t%d, ", width); /* panic dialog x */
- fprintf( out_stream, "%d, ", height); /* panic dialog y */
- fprintf( out_stream, "1,\n"); /* bytes per pixel */
-
- for( i=0; i < filePos;) {
- fprintf( out_stream, "0x%.2x,0x%.2x", fileArr[i], fileArr[i+1]);
- i+=2;
- pairs_this_line++;
-
- // if the first byte had a leading 1, this is a 3-byte encoding
- if ((fileArr[i-2] >> 7) == 1) {
- fprintf( out_stream, ",0x%.2x", fileArr[i++]);
- pairs_this_line++;
- }
-
- if (i >= filePos) // this is the last element
- fprintf( out_stream, "\n};");
- else fprintf( out_stream, ", ");
-
- if(pairs_this_line > 8) {
- fprintf( out_stream, "\n");
- pairs_this_line = 0;
- }
- }
-
-
- fclose( out_stream );
-
- return 0;
-}
-
-
-/* Each number/char (0-f) has its own row in the pixmap array.
- When done, these rows each contain an RLE character.
- The image file is read row by row, so the individual characters
- must be constructed in the same way. The numPos array tracks the
- current position in each character's RLE array.
- */
-void
-create_numbers_file( FILE *stream, char *outfile )
-{
- int err;
- short height, depth, totalwidth;
- int numbers = 17;
- int width[17] = {9,7,8,6,9,7,8,7,8,7,10,7,9,10,7,6,4};
- int numPos[17] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
-
- int **pixmap;
- int row, col, item, line=0, currWidth;
- int nextP, currP;
- int count, currNum;
-
- FILE *out_stream;
-
- printf("\nReading numbers file...\n");
- fread((void *) &totalwidth, sizeof(short), 1, stream);
- printf("got width: %d\n", totalwidth);
- fread((void *) &height, sizeof(short), 1, stream);
- printf("got height: %d\n", height);
- fread((void *) &depth, sizeof(short), 1, stream);
- printf("got depth: %d\n", depth);
-
- if (!(width && height && depth)) {
- printf("Invalid numbers file header (width, height, or depth is 0)\n");
- return;
- }
-
- // allocate array to hold each number's RLE encoding (20 = 2xwidest width[i] value, 17 = num chars)
- pixmap = (int **) malloc( 17 * sizeof(int *) );
- for( item=0; item<17; item++)
- pixmap[item] = (int *) malloc( 2*width[item]*height*sizeof(int) );
-
- currP = -1;
- count = 0;
- currWidth = 0;
- currNum = 0;
-
- for( row=0; row < height; row++) {
- for( item=0; item < numbers; item++) {
- count = 0;
- currP = -1; // start each character fresh
- for( col=0; col < width[item]; col++) {
- nextP = fgetc( stream );
- if( nextP == currP) {
- if( count == 127) { // probably never executed given the small widths
- pixmap[item][numPos[item]] = count;
- pixmap[item][numPos[item]+1] = currP;
- numPos[item]+=2;
- count = 0;
- currP = -1;
- } else count++; // add one to the current run
- } else {
- if( currP != -1) {
- pixmap[item][numPos[item]] = count; // currP was the end of the run
- pixmap[item][numPos[item]+1] = currP;
- numPos[item]+=2;
- }
- currP = nextP; // start a new run
- count = 1;
- }
- }
- // write out any run that was in progress
- if( count > 0) {
- pixmap[item][numPos[item]] = count;
- pixmap[item][numPos[item]+1] = currP;
- numPos[item]+=2;
- }
- }
- }
-
- // now, generate the c file
-
- if ( outfile == NULL)
- outfile = "rendered_numbers.c";
- out_stream = fopen(outfile, "w");
-
- if(out_stream == NULL) {
- printf("couldn't open numbers outfile.. bailing\n");
- exit(1);
- }
-
- fprintf( out_stream, " /* generated c file */\n\n");
-
- // iterate through all the numbers/chars
- for( item=0; item<numbers; item++)
- {
- fprintf( out_stream, "static const struct {\n");
- fprintf( out_stream, " unsigned int num_w;\n");
- fprintf( out_stream, " unsigned int num_h;\n");
- fprintf( out_stream, " unsigned char num_pixel_data[%#4.2x];\n", numPos[item]); // num elems
- item == 16 ? fprintf( out_stream, "} num_colon = {\n") : fprintf( out_stream, "} num_%x = {\n", item);
- fprintf( out_stream, "/* w */ %d,\n", width[item]);
- fprintf( out_stream, "/* h */ %d,\n", height);
- fprintf( out_stream, "/* pixel_data */ \n");
-
- for( col = 0; col < numPos[item];)
- {
- fprintf( out_stream, "0x%.2x,0x%.2x", pixmap[item][col], pixmap[item][col+1]);
- if (col == (numPos[item] - 2)) // this is the last element
- fprintf( out_stream, "\n};\n\n");
- else fprintf( out_stream, ", ");
-
- line+=pixmap[item][col];
- if( line >= width[item]) {
- fprintf( out_stream, "\n");
- line = 0;
- }
- col+=2;
- }
- }
-
- fclose( out_stream );
-}
-
-
-/* encode_rle applies a "modified-RLE encoding to a given image. The encoding works as follows:
-
- The quantity and value will be described by either two or three bytes. If the
- most significant bit of the first byte is a 0, then the next seven bits are
- the quantity (run-length) and the following 8 bits are the value (index into
- a clut, in this case). If the msb of the first byte is a 1, then the next 15 bits
- are the quantity and the following 8 are the value. Visually, the two possible
- encodings are: (q = quantity, v = value)
-
- Byte 1 Byte 2 Byte 3
- case 1: [ 0 q6 q5 q4 q3 q2 q1 q0 ] [ v7 v6 v5 v4 v3 v2 v1 v0 ] [ ]
- case 2: [ 1 q14 q13 q12 a11 q10 q9 q8 ] [ q7 q6 q5 q4 q3 q2 q1 q0 ] [ v7 v6 v5 v4 v3 v2 v1 v0 ]
-*/
-
-
-unsigned int
-encode_rle(unsigned char * fileArr, unsigned int filePos, unsigned int quantity, unsigned char value)
-{
- unsigned char single_mask = 0x00;
- unsigned char double_mask = 0x80;
- unsigned char slots_used = 0;
-
- if (quantity < 128) {
- fileArr[filePos] = single_mask | quantity;
- slots_used = 1;
- } else {
- fileArr[filePos] = double_mask | (quantity >> 8); // high 7 bits (plus mask)
- fileArr[filePos+1] = (unsigned char) quantity; // low 8 bits
- slots_used = 2;
- }
-
- fileArr[filePos+slots_used] = value;
- slots_used++;
-
- return slots_used;
-}
projects / apple / xnu.git / blobdiff