** ==============================
** (C) 2000 by Paolo Scaffardi (arsenio@tin.it)
** AIRVENT SAM s.p.a - RIMINI(ITALY)
+** (C) 2007-2008 Mike Frysinger <vapier@gentoo.org>
**
** This is still under construction!
*/
+#include <errno.h>
#include <getopt.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
#pragma pack(1)
int width, height, pixels, bpp, pixel_size, size, palette_size, yuyv;
} image_t;
+void *xmalloc (size_t size)
+{
+ void *ret = malloc (size);
+ if (!ret) {
+ fprintf (stderr, "\nerror: malloc(%zu) failed: %s",
+ size, strerror(errno));
+ exit (1);
+ }
+ return ret;
+}
+
void StringUpperCase (char *str)
{
int count = strlen (str);
image->pixel_size = ((image->bpp - 1) / 8) + 1;
image->pixels = image->width * image->height;
image->size = image->pixels * image->pixel_size;
- image->data = malloc (image->size);
+ image->data = xmalloc (image->size);
if (image->bpp != 24) {
printf ("Bpp not supported: %d!\n", image->bpp);
/* Swapping image */
if (!(header.ImageDescriptorByte & 0x20)) {
- unsigned char *temp = malloc (image->size);
+ unsigned char *temp = xmalloc (image->size);
int linesize = image->pixel_size * image->width;
void *dest = image->data,
*source = temp + image->size - linesize;
yuyv_image->pixels = yuyv_image->width * yuyv_image->height;
yuyv_image->size = yuyv_image->pixels * yuyv_image->pixel_size;
dest = (unsigned short *) (yuyv_image->data =
- malloc (yuyv_image->size));
+ xmalloc (yuyv_image->size));
yuyv_image->palette = 0;
yuyv_image->palette_size = 0;
return 0;
}
+int image_rgb888_to_rgb565(image_t *rgb888_image, image_t *rgb565_image)
+{
+ rgb_t *rgb_ptr = (rgb_t *) rgb888_image->data;
+ unsigned short *dest;
+ int count = 0;
+
+ rgb565_image->pixel_size = 2;
+ rgb565_image->bpp = 16;
+ rgb565_image->yuyv = 0;
+ rgb565_image->width = rgb888_image->width;
+ rgb565_image->height = rgb888_image->height;
+ rgb565_image->pixels = rgb565_image->width * rgb565_image->height;
+ rgb565_image->size = rgb565_image->pixels * rgb565_image->pixel_size;
+ dest = (unsigned short *) (rgb565_image->data =
+ xmalloc(rgb565_image->size));
+ rgb565_image->palette = 0;
+ rgb565_image->palette_size = 0;
+
+ while ((count++) < rgb888_image->pixels) {
+
+ *dest++ = ((rgb_ptr->b & 0xF8) << 8) |
+ ((rgb_ptr->g & 0xFC) << 3) |
+ (rgb_ptr->r >> 3);
+ rgb_ptr++;
+ }
+
+ return 0;
+}
+
+enum comp_t {
+ COMP_NONE,
+ COMP_GZIP,
+ COMP_LZMA,
+};
+static enum comp_t compression = COMP_NONE;
+static bool bss_storage = false;
+
int image_save_header (image_t * image, char *filename, char *varname)
{
FILE *file = fopen (filename, "w");
fprintf (file, " *\t\t'x'\t\tis the horizontal position\n");
fprintf (file, " *\t\t'y'\t\tis the vertical position\n */\n\n");
+ /* image compress */
+ if (compression != COMP_NONE) {
+ const char *errstr = NULL;
+ unsigned char *compressed;
+ const char *comp_name;
+ struct stat st;
+ FILE *compfp;
+ size_t filename_len = strlen(filename);
+ char *compfilename = xmalloc(filename_len + 20);
+ char *compcmd = xmalloc(filename_len + 50);
+
+ sprintf(compfilename, "%s.bin", filename);
+ switch (compression) {
+ case COMP_GZIP:
+ strcpy(compcmd, "gzip");
+ comp_name = "GZIP";
+ break;
+ case COMP_LZMA:
+ strcpy(compcmd, "lzma");
+ comp_name = "LZMA";
+ break;
+ default:
+ errstr = "\nerror: unknown compression method";
+ goto done;
+ }
+ strcat(compcmd, " > ");
+ strcat(compcmd, compfilename);
+ compfp = popen(compcmd, "w");
+ if (!compfp) {
+ errstr = "\nerror: popen() failed";
+ goto done;
+ }
+ if (fwrite(image->data, image->size, 1, compfp) != 1) {
+ errstr = "\nerror: writing data to gzip failed";
+ goto done;
+ }
+ if (pclose(compfp)) {
+ errstr = "\nerror: gzip process failed";
+ goto done;
+ }
+
+ compfp = fopen(compfilename, "r");
+ if (!compfp) {
+ errstr = "\nerror: open() on gzip data failed";
+ goto done;
+ }
+ if (stat(compfilename, &st)) {
+ errstr = "\nerror: stat() on gzip file failed";
+ goto done;
+ }
+ compressed = xmalloc(st.st_size);
+ if (fread(compressed, st.st_size, 1, compfp) != 1) {
+ errstr = "\nerror: reading gzip data failed";
+ goto done;
+ }
+ fclose(compfp);
+
+ unlink(compfilename);
+
+ dataptr = compressed;
+ count = st.st_size;
+ fprintf(file, "#define EASYLOGO_ENABLE_%s %i\n\n", comp_name, count);
+ if (bss_storage)
+ fprintf (file, "static unsigned char EASYLOGO_DECOMP_BUFFER[%i];\n\n", image->size);
+
+ done:
+ free(compfilename);
+ free(compcmd);
+
+ if (errstr) {
+ perror (errstr);
+ return -1;
+ }
+ }
+
/* Headers */
fprintf (file, "#include <video_easylogo.h>\n\n");
/* Macros */
fprintf (file, "#define DEF_%s_SIZE\t\t%d\n\n", def_name,
image->size);
/* Declaration */
- fprintf (file, "unsigned char DEF_%s_DATA[DEF_%s_SIZE] = {\n",
- def_name, def_name);
+ fprintf (file, "unsigned char DEF_%s_DATA[] = {\n",
+ def_name);
/* Data */
while (count)
if (col)
fprintf (file, "%s\n", str);
- /* End of declaration */
+ /* End of declaration */
fprintf (file, "};\n\n");
/* Variable */
fprintf (file, "fastimage_t %s = {\n", varname);
"Syntax: easylogo [options] inputfile [outputvar [outputfile]]\n"
"\n"
"Options:\n"
- " -r Output RGB instead of YUYV\n"
+ " -r Output RGB888 instead of YUYV\n"
+ " -s Output RGB565 instead of YUYV\n"
+ " -g Compress with gzip\n"
+ " -l Compress with lzma\n"
+ " -b Preallocate space in bss for decompressing image\n"
" -h Help output\n"
"\n"
"Where: 'inputfile' is the TGA image to load\n"
int main (int argc, char *argv[])
{
int c;
- bool use_rgb = false;
+ bool use_rgb888 = false;
+ bool use_rgb565 = false;
char inputfile[DEF_FILELEN],
outputfile[DEF_FILELEN], varname[DEF_FILELEN];
- image_t rgb_logo, yuyv_logo;
+ image_t rgb888_logo, rgb565_logo, yuyv_logo;
- while ((c = getopt(argc, argv, "hr")) > 0) {
+ while ((c = getopt(argc, argv, "hrsglb")) > 0) {
switch (c) {
case 'h':
usage (0);
break;
case 'r':
- use_rgb = true;
- puts ("Using 24-bit RGB Output Fromat");
+ use_rgb888 = true;
+ puts("Using 24-bit RGB888 Output Fromat");
+ break;
+ case 's':
+ use_rgb565 = true;
+ puts("Using 16-bit RGB565 Output Fromat");
+ break;
+ case 'g':
+ compression = COMP_GZIP;
+ puts("Compressing with gzip");
+ break;
+ case 'l':
+ compression = COMP_LZMA;
+ puts("Compressing with lzma");
+ break;
+ case 'b':
+ bss_storage = true;
+ puts("Preallocating bss space for decompressing image");
break;
default:
usage (1);
/* Import TGA logo */
printf ("L");
- if (image_load_tga (&rgb_logo, inputfile) < 0) {
+ if (image_load_tga(&rgb888_logo, inputfile) < 0) {
printf ("input file not found!\n");
exit (1);
}
- /* Convert it to YUYV format if wanted */
+ /* Convert, save, and free the image */
- if (!use_rgb) {
+ if (!use_rgb888 && !use_rgb565) {
printf ("C");
- image_rgb_to_yuyv (&rgb_logo, &yuyv_logo);
+ image_rgb_to_yuyv(&rgb888_logo, &yuyv_logo);
+
+ printf("S");
+ image_save_header(&yuyv_logo, outputfile, varname);
+ image_free(&yuyv_logo);
+ } else if (use_rgb565) {
+ printf("C");
+ image_rgb888_to_rgb565(&rgb888_logo, &rgb565_logo);
+
+ printf("S");
+ image_save_header(&rgb565_logo, outputfile, varname);
+ image_free(&rgb565_logo);
+ } else {
+ printf("S");
+ image_save_header(&rgb888_logo, outputfile, varname);
}
- /* Save it into a header format */
-
- printf ("S");
- image_save_header (use_rgb ? &rgb_logo : &yuyv_logo, outputfile, varname);
-
/* Free original image and copy */
- image_free (&rgb_logo);
- if (!use_rgb)
- image_free (&yuyv_logo);
+ image_free(&rgb888_logo);
printf ("\n");