--- /dev/null
+/*
+** Easylogo TGA->header converter
+** ==============================
+** (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)
+
+/*#define ENABLE_ASCII_BANNERS */
+
+typedef struct {
+ unsigned char id;
+ unsigned char ColorMapType;
+ unsigned char ImageTypeCode;
+ unsigned short ColorMapOrigin;
+ unsigned short ColorMapLenght;
+ unsigned char ColorMapEntrySize;
+ unsigned short ImageXOrigin;
+ unsigned short ImageYOrigin;
+ unsigned short ImageWidth;
+ unsigned short ImageHeight;
+ unsigned char ImagePixelSize;
+ unsigned char ImageDescriptorByte;
+} tga_header_t;
+
+typedef struct {
+ unsigned char r, g, b;
+} rgb_t;
+
+typedef struct {
+ unsigned char b, g, r;
+} bgr_t;
+
+typedef struct {
+ unsigned char Cb, y1, Cr, y2;
+} yuyv_t;
+
+typedef struct {
+ void *data, *palette;
+ 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);
+ char c;
+
+ while (count--) {
+ c = *str;
+ if ((c >= 'a') && (c <= 'z'))
+ *str = 'A' + (c - 'a');
+ str++;
+ }
+}
+
+void StringLowerCase (char *str)
+{
+ int count = strlen (str);
+ char c;
+
+ while (count--) {
+ c = *str;
+ if ((c >= 'A') && (c <= 'Z'))
+ *str = 'a' + (c - 'A');
+ str++;
+ }
+}
+void pixel_rgb_to_yuyv (rgb_t * rgb_pixel, yuyv_t * yuyv_pixel)
+{
+ unsigned int pR, pG, pB;
+
+ /* Transform (0-255) components to (0-100) */
+ pR = rgb_pixel->r * 100 / 255;
+ pG = rgb_pixel->g * 100 / 255;
+ pB = rgb_pixel->b * 100 / 255;
+
+ /* Calculate YUV values (0-255) from RGB beetween 0-100 */
+ yuyv_pixel->y1 = yuyv_pixel->y2 = 209 * (pR + pG + pB) / 300 + 16;
+ yuyv_pixel->Cb = pB - (pR / 4) - (pG * 3 / 4) + 128;
+ yuyv_pixel->Cr = pR - (pG * 3 / 4) - (pB / 4) + 128;
+
+ return;
+}
+
+void printlogo_rgb (rgb_t * data, int w, int h)
+{
+ int x, y;
+
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++, data++)
+ if ((data->r <
+ 30) /*&&(data->g == 0)&&(data->b == 0) */ )
+ printf (" ");
+ else
+ printf ("X");
+ printf ("\n");
+ }
+}
+
+void printlogo_yuyv (unsigned short *data, int w, int h)
+{
+ int x, y;
+
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++, data++)
+ if (*data == 0x1080) /* Because of inverted on i386! */
+ printf (" ");
+ else
+ printf ("X");
+ printf ("\n");
+ }
+}
+
+static inline unsigned short le16_to_cpu (unsigned short val)
+{
+ union {
+ unsigned char pval[2];
+ unsigned short val;
+ } swapped;
+
+ swapped.val = val;
+ return (swapped.pval[1] << 8) + swapped.pval[0];
+}
+
+int image_load_tga (image_t * image, char *filename)
+{
+ FILE *file;
+ tga_header_t header;
+ int i;
+ unsigned char app;
+ rgb_t *p;
+
+ if ((file = fopen (filename, "rb")) == NULL)
+ return -1;
+
+ fread (&header, sizeof (header), 1, file);
+
+ /* byte swap: tga is little endian, host is ??? */
+ header.ColorMapOrigin = le16_to_cpu (header.ColorMapOrigin);
+ header.ColorMapLenght = le16_to_cpu (header.ColorMapLenght);
+ header.ImageXOrigin = le16_to_cpu (header.ImageXOrigin);
+ header.ImageYOrigin = le16_to_cpu (header.ImageYOrigin);
+ header.ImageWidth = le16_to_cpu (header.ImageWidth);
+ header.ImageHeight = le16_to_cpu (header.ImageHeight);
+
+ image->width = header.ImageWidth;
+ image->height = header.ImageHeight;
+
+ switch (header.ImageTypeCode) {
+ case 2: /* Uncompressed RGB */
+ image->yuyv = 0;
+ image->palette_size = 0;
+ image->palette = NULL;
+ break;
+
+ default:
+ printf ("Format not supported!\n");
+ return -1;
+ }
+
+ image->bpp = header.ImagePixelSize;
+ image->pixel_size = ((image->bpp - 1) / 8) + 1;
+ image->pixels = image->width * image->height;
+ image->size = image->pixels * image->pixel_size;
+ image->data = xmalloc (image->size);
+
+ if (image->bpp != 24) {
+ printf ("Bpp not supported: %d!\n", image->bpp);
+ return -1;
+ }
+
+ fread (image->data, image->size, 1, file);
+
+/* Swapping R and B values */
+
+ p = image->data;
+ for (i = 0; i < image->pixels; i++, p++) {
+ app = p->r;
+ p->r = p->b;
+ p->b = app;
+ }
+
+/* Swapping image */
+
+ if (!(header.ImageDescriptorByte & 0x20)) {
+ unsigned char *temp = xmalloc (image->size);
+ int linesize = image->pixel_size * image->width;
+ void *dest = image->data,
+ *source = temp + image->size - linesize;
+
+ printf ("S");
+ if (temp == NULL) {
+ printf ("Cannot alloc temp buffer!\n");
+ return -1;
+ }
+
+ memcpy (temp, image->data, image->size);
+ for (i = 0; i < image->height;
+ i++, dest += linesize, source -= linesize)
+ memcpy (dest, source, linesize);
+
+ free (temp);
+ }
+#ifdef ENABLE_ASCII_BANNERS
+ printlogo_rgb (image->data, image->width, image->height);
+#endif
+
+ fclose (file);
+ return 0;
+}
+
+void image_free (image_t * image)
+{
+ free (image->data);
+ free (image->palette);
+}
+
+int image_rgb_to_yuyv (image_t * rgb_image, image_t * yuyv_image)
+{
+ rgb_t *rgb_ptr = (rgb_t *) rgb_image->data;
+ yuyv_t yuyv;
+ unsigned short *dest;
+ int count = 0;
+
+ yuyv_image->pixel_size = 2;
+ yuyv_image->bpp = 16;
+ yuyv_image->yuyv = 1;
+ yuyv_image->width = rgb_image->width;
+ yuyv_image->height = rgb_image->height;
+ 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 =
+ xmalloc (yuyv_image->size));
+ yuyv_image->palette = 0;
+ yuyv_image->palette_size = 0;
+
+ while ((count++) < rgb_image->pixels) {
+ pixel_rgb_to_yuyv (rgb_ptr++, &yuyv);
+
+ if ((count & 1) == 0) /* Was == 0 */
+ memcpy (dest, ((void *) &yuyv) + 2, sizeof (short));
+ else
+ memcpy (dest, (void *) &yuyv, sizeof (short));
+
+ dest++;
+ }
+
+#ifdef ENABLE_ASCII_BANNERS
+ printlogo_yuyv (yuyv_image->data, yuyv_image->width,
+ yuyv_image->height);
+#endif
+ 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");
+ char app[256], str[256] = "", def_name[64];
+ int count = image->size, col = 0;
+ unsigned char *dataptr = image->data;
+
+ if (file == NULL)
+ return -1;
+
+ /* Author information */
+ fprintf (file,
+ "/*\n * Generated by EasyLogo, (C) 2000 by Paolo Scaffardi\n *\n");
+ fprintf (file,
+ " * To use this, include it and call: easylogo_plot(screen,&%s, width,x,y)\n *\n",
+ varname);
+ fprintf (file,
+ " * Where:\t'screen'\tis the pointer to the frame buffer\n");
+ fprintf (file, " *\t\t'width'\tis the screen width\n");
+ 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 */
+ strcpy (def_name, varname);
+ StringUpperCase (def_name);
+ fprintf (file, "#define DEF_%s_WIDTH\t\t%d\n", def_name,
+ image->width);
+ fprintf (file, "#define DEF_%s_HEIGHT\t\t%d\n", def_name,
+ image->height);
+ fprintf (file, "#define DEF_%s_PIXELS\t\t%d\n", def_name,
+ image->pixels);
+ fprintf (file, "#define DEF_%s_BPP\t\t%d\n", def_name, image->bpp);
+ fprintf (file, "#define DEF_%s_PIXEL_SIZE\t%d\n", def_name,
+ image->pixel_size);
+ fprintf (file, "#define DEF_%s_SIZE\t\t%d\n\n", def_name,
+ image->size);
+ /* Declaration */
+ fprintf (file, "unsigned char DEF_%s_DATA[] = {\n",
+ def_name);
+
+ /* Data */
+ while (count)
+ switch (col) {
+ case 0:
+ sprintf (str, " 0x%02x", *dataptr++);
+ col++;
+ count--;
+ break;
+
+ case 16:
+ fprintf (file, "%s", str);
+ if (count > 0)
+ fprintf (file, ",");
+ fprintf (file, "\n");
+
+ col = 0;
+ break;
+
+ default:
+ strcpy (app, str);
+ sprintf (str, "%s, 0x%02x", app, *dataptr++);
+ col++;
+ count--;
+ break;
+ }
+
+ if (col)
+ fprintf (file, "%s\n", str);
+
+ /* End of declaration */
+ fprintf (file, "};\n\n");
+ /* Variable */
+ fprintf (file, "fastimage_t %s = {\n", varname);
+ fprintf (file, " DEF_%s_DATA,\n", def_name);
+ fprintf (file, " DEF_%s_WIDTH,\n", def_name);
+ fprintf (file, " DEF_%s_HEIGHT,\n", def_name);
+ fprintf (file, " DEF_%s_BPP,\n", def_name);
+ fprintf (file, " DEF_%s_PIXEL_SIZE,\n", def_name);
+ fprintf (file, " DEF_%s_SIZE\n};\n", def_name);
+
+ fclose (file);
+
+ return 0;
+}
+
+#define DEF_FILELEN 256
+
+static void usage (int exit_status)
+{
+ puts (
+ "EasyLogo 1.0 (C) 2000 by Paolo Scaffardi\n"
+ "\n"
+ "Syntax: easylogo [options] inputfile [outputvar [outputfile]]\n"
+ "\n"
+ "Options:\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"
+ " 'outputvar' is the variable name to create\n"
+ " 'outputfile' is the output header file (default is 'inputfile.h')"
+ );
+ exit (exit_status);
+}
+
+int main (int argc, char *argv[])
+{
+ int c;
+ bool use_rgb888 = false;
+ bool use_rgb565 = false;
+ char inputfile[DEF_FILELEN],
+ outputfile[DEF_FILELEN], varname[DEF_FILELEN];
+
+ image_t rgb888_logo, rgb565_logo, yuyv_logo;
+
+ while ((c = getopt(argc, argv, "hrsglb")) > 0) {
+ switch (c) {
+ case 'h':
+ usage (0);
+ break;
+ case 'r':
+ 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);
+ break;
+ }
+ }
+
+ c = argc - optind;
+ if (c > 4 || c < 1)
+ usage (1);
+
+ strcpy (inputfile, argv[optind]);
+
+ if (c > 1)
+ strcpy (varname, argv[optind + 1]);
+ else {
+ /* transform "input.tga" to just "input" */
+ char *dot;
+ strcpy (varname, inputfile);
+ dot = strchr (varname, '.');
+ if (dot)
+ *dot = '\0';
+ }
+
+ if (c > 2)
+ strcpy (outputfile, argv[optind + 2]);
+ else {
+ /* just append ".h" to input file name */
+ strcpy (outputfile, inputfile);
+ strcat (outputfile, ".h");
+ }
+
+ /* Make sure the output is sent as soon as we printf() */
+ setbuf(stdout, NULL);
+
+ printf ("Doing '%s' (%s) from '%s'...",
+ outputfile, varname, inputfile);
+
+ /* Import TGA logo */
+
+ printf ("L");
+ if (image_load_tga(&rgb888_logo, inputfile) < 0) {
+ printf ("input file not found!\n");
+ exit (1);
+ }
+
+ /* Convert, save, and free the image */
+
+ if (!use_rgb888 && !use_rgb565) {
+ printf ("C");
+ 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);
+ }
+
+ /* Free original image and copy */
+
+ image_free(&rgb888_logo);
+
+ printf ("\n");
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff