static const char *outputname;
static FILE *out;
+
#define LINUX_LOGO_MONO 1 /* monochrome black/white */
#define LINUX_LOGO_VGA16 2 /* 16 colors VGA text palette */
#define LINUX_LOGO_CLUT224 3 /* 224 colors */
{ 0xff, 0xff, 0xff },
};
-unsigned char data_name[] = {
- 0x6C, 0x6F, 0x67,
- 0x6F, 0x5F, 0x52,
- 0x4B, 0x6C, 0x6F,
- 0x67, 0x6F, 0x5F,
- 0x64, 0x61, 0x74,
- 0x61
-};
-
-unsigned char clut_name[] = {
- 0x70, 0x70, 0x6c,
- 0x6C, 0x6F, 0x67,
- 0x6F, 0x5F, 0x52,
- 0x4B, 0x6C, 0x6F,
- 0x67, 0x6F, 0x5F,
- 0x63, 0x6C, 0x75,
- 0x74
-};
static int logo_type = LINUX_LOGO_CLUT224;
static unsigned int logo_width;
static struct color **logo_data;
static struct color logo_clut[MAX_LINUX_LOGO_COLORS];
static unsigned int logo_clutsize;
+static int is_plain_pbm = 0;
static void die(const char *fmt, ...)
__attribute__ ((noreturn)) __attribute ((format (printf, 1, 2)));
static void usage(void) __attribute ((noreturn));
+
static unsigned int get_number(FILE *fp)
{
int c, val;
val = 0;
while (isdigit(c)) {
val = 10*val+c-'0';
+ /* some PBM are 'broken'; GiMP for example exports a PBM without space
+ * between the digits. This is Ok cause we know a PBM can only have a '1'
+ * or a '0' for the digit. */
+ if (is_plain_pbm)
+ break;
c = fgetc(fp);
if (c == EOF)
die("%s: end of file\n", filename);
static void read_image(void)
{
- FILE *fp;
- unsigned int i, j;
- int magic;
- unsigned int maxval;
+ FILE *fp;
+ unsigned int i, j;
+ int magic;
+ unsigned int maxval;
- /* open image file */
- fp = fopen(filename, "r");
- if (!fp)
- die("Cannot open file %s: %s\n", filename, strerror(errno));
+ /* open image file */
+ fp = fopen(filename, "r");
+ if (!fp)
+ die("Cannot open file %s: %s\n", filename, strerror(errno));
/* check file type and read file header */
magic = fgetc(fp);
default:
die("%s is not a PNM file\n", filename);
}
- logo_width = get_number(fp);
- logo_height = get_number(fp);
-
-
- /* allocate image data */
- logo_data = (struct color **)malloc(logo_height * sizeof(struct color *));
- if (!logo_data)
- die("%s\n", strerror(errno));
- for (i = 0; i < logo_height; i++) {
- logo_data[i] = (struct color *)malloc(logo_width * sizeof(struct color));
- if (!logo_data[i])
- die("%s\n", strerror(errno));
- }
+ logo_width = get_number(fp);
+ logo_height = get_number(fp);
+
+ /* allocate image data */
+ logo_data = (struct color **)malloc(logo_height*sizeof(struct color *));
+ if (!logo_data)
+ die("%s\n", strerror(errno));
+ for (i = 0; i < logo_height; i++) {
+ logo_data[i] = malloc(logo_width*sizeof(struct color));
+ if (!logo_data[i])
+ die("%s\n", strerror(errno));
+ }
/* read image data */
switch (magic) {
case '1':
/* Plain PBM */
+ is_plain_pbm = 1;
for (i = 0; i < logo_height; i++)
for (j = 0; j < logo_width; j++)
logo_data[i][j].red = logo_data[i][j].green =
return c1.red == c2.red && c1.green == c2.green && c1.blue == c2.blue;
}
+static void write_header(void)
+{
+ /* open logo file */
+ if (outputname) {
+ out = fopen(outputname, "w");
+ if (!out)
+ die("Cannot create file %s: %s\n", outputname, strerror(errno));
+ } else {
+ out = stdout;
+ }
+
+ fputs("/*\n", out);
+ fputs(" * DO NOT EDIT THIS FILE!\n", out);
+ fputs(" *\n", out);
+ fprintf(out, " * It was automatically generated from %s\n", filename);
+ fputs(" *\n", out);
+ fprintf(out, " * Linux logo %s\n", logoname);
+ fputs(" */\n\n", out);
+ fputs("#include <linux/linux_logo.h>\n\n", out);
+ fprintf(out, "static unsigned char %s_data[] __initdata = {\n",
+ logoname);
+}
+
+static void write_footer(void)
+{
+ fputs("\n};\n\n", out);
+ fprintf(out, "const struct linux_logo %s __initconst = {\n", logoname);
+ fprintf(out, "\t.type\t\t= %s,\n", logo_types[logo_type]);
+ fprintf(out, "\t.width\t\t= %d,\n", logo_width);
+ fprintf(out, "\t.height\t\t= %d,\n", logo_height);
+ if (logo_type == LINUX_LOGO_CLUT224) {
+ fprintf(out, "\t.clutsize\t= %d,\n", logo_clutsize);
+ fprintf(out, "\t.clut\t\t= %s_clut,\n", logoname);
+ }
+ fprintf(out, "\t.data\t\t= %s_data\n", logoname);
+ fputs("};\n\n", out);
+
+ /* close logo file */
+ if (outputname)
+ fclose(out);
+}
+
static int write_hex_cnt;
static void write_hex(unsigned char byte)
write_hex_cnt++;
}
-static void write_header(void)
-{
- /* open logo file */
- if (outputname) {
- out = fopen(outputname, "w");
- if (!out)
- die("Cannot create file %s: %s\n", outputname, strerror(errno));
- } else {
- out = stdout;
- }
-
- fputs("/*\n", out);
- fputs(" * DO NOT EDIT THIS FILE!\n", out);
- fputs(" *\n", out);
- fprintf(out, " * It was automatically generated from %s\n", filename);
- fputs(" *\n", out);
- fprintf(out, " * Linux logo %s\n", logoname);
- fputs(" */\n\n", out);
- fputs("#include <linux/linux_logo.h>\n\n", out);
- fprintf(out, "static unsigned char %s_data[] __initdata = {\n",
- logoname);
-}
-
-static void write_footer(void)
-{
- fputs("\n};\n\n", out);
- fprintf(out, "const struct linux_logo %s __initconst = {\n", logoname);
- fprintf(out, "\t.type\t\t= %s,\n", logo_types[logo_type]);
-
- if (logo_type == LINUX_LOGO_CLUT224) {
- fprintf(out, "\t.clut\t\t= &(%s_clut[%ld]),\n", logoname, sizeof(clut_name));
- fprintf(out, "\t.data\t\t= &(%s_data[%ld])\n", logoname, sizeof(data_name) + 4);
- } else {
- fprintf(out, "\t.width\t\t= %d,\n", logo_width);
- fprintf(out, "\t.height\t\t= %d,\n", logo_height);
- if (logo_type == LINUX_LOGO_CLUT224) {
- fprintf(out, "\t.clutsize\t= %d,\n", logo_clutsize);
- fprintf(out, "\t.clut\t\t= %s_clut,\n", logoname);
- }
- fprintf(out, "\t.data\t\t= %s_data\n", logoname);
- }
-
- fputs("};\n\n", out);
-
- /* close logo file */
- if (outputname)
- fclose(out);
-}
-
static void write_logo_mono(void)
{
unsigned int i, j;
}
}
-
/* write logo structure and file footer */
write_footer();
}
static void write_logo_clut224(void)
{
- unsigned int i, j, k;
-
- logo_clutsize = 0;
-
- /* validate image */
- for (i = 0; i < logo_height; i++)
- for (j = 0; j < logo_width; j++) {
- for (k = 0; k < logo_clutsize; k++)
- if (is_equal(logo_data[i][j], logo_clut[k]))
- break;
- if (k == logo_clutsize) {
- if (logo_clutsize == MAX_LINUX_LOGO_COLORS)
- die("Image has more than %d colors\n"
- "Use ppmquant(1) to reduce the number of colors\n",
- MAX_LINUX_LOGO_COLORS);
- logo_clut[logo_clutsize++] = logo_data[i][j];
- }
- }
-
- write_hex_cnt = 0;
-
- /* write file header */
- write_header();
-
- write_hex((unsigned char)(logo_width >> 8));
- write_hex((unsigned char)logo_width);
- write_hex((unsigned char)(logo_height >> 8));
- write_hex((unsigned char)logo_height);
-
- for (i = 0; i < sizeof(data_name); i++){
- write_hex(data_name[i]);
- }
- write_hex((unsigned char)(logo_width >> 8));
- write_hex((unsigned char)logo_width);
- write_hex((unsigned char)(logo_height >> 8));
- write_hex((unsigned char)logo_height);
-
- /* write logo data */
- for (i = 0; i < logo_height; i++)
- for (j = 0; j < logo_width; j++) {
- for (k = 0; k < logo_clutsize; k++)
- if (is_equal(logo_data[i][j], logo_clut[k]))
- break;
- write_hex(k+32);
- }
-
- fputs("\n};\n\n", out);
-
- /* write logo clut */
- fprintf(out, "static unsigned char %s_clut[] __initdata = {\n",
- logoname);
-
- write_hex_cnt = 0;
+ unsigned int i, j, k;
- for (i = 0; i < sizeof(clut_name); i++){
- write_hex(clut_name[i]);
+ /* validate image */
+ for (i = 0; i < logo_height; i++)
+ for (j = 0; j < logo_width; j++) {
+ for (k = 0; k < logo_clutsize; k++)
+ if (is_equal(logo_data[i][j], logo_clut[k]))
+ break;
+ if (k == logo_clutsize) {
+ if (logo_clutsize == MAX_LINUX_LOGO_COLORS)
+ die("Image has more than %d colors\n"
+ "Use ppmquant(1) to reduce the number of colors\n",
+ MAX_LINUX_LOGO_COLORS);
+ logo_clut[logo_clutsize++] = logo_data[i][j];
+ }
}
- write_hex(logo_clutsize);
- for (i = 0; i < logo_clutsize; i++) {
- write_hex(logo_clut[i].red);
- write_hex(logo_clut[i].green);
- write_hex(logo_clut[i].blue);
- }
+ /* write file header */
+ write_header();
- for (i = logo_clutsize; i < (MAX_LINUX_LOGO_COLORS * 3); i++)
- {
- write_hex(32);
+ /* write logo data */
+ for (i = 0; i < logo_height; i++)
+ for (j = 0; j < logo_width; j++) {
+ for (k = 0; k < logo_clutsize; k++)
+ if (is_equal(logo_data[i][j], logo_clut[k]))
+ break;
+ write_hex(k+32);
}
+ fputs("\n};\n\n", out);
+
+ /* write logo clut */
+ fprintf(out, "static unsigned char %s_clut[] __initdata = {\n",
+ logoname);
+ write_hex_cnt = 0;
+ for (i = 0; i < logo_clutsize; i++) {
+ write_hex(logo_clut[i].red);
+ write_hex(logo_clut[i].green);
+ write_hex(logo_clut[i].blue);
+ }
- /* write logo structure and file footer */
- write_footer();
+ /* write logo structure and file footer */
+ write_footer();
}
static void write_logo_gray256(void)
projects / firefly-linux-kernel-4.4.55.git / blobdiff