tools/easylogo/easylogo.c - uboot/windcharger - Git at Google

 /*
 ** Easylogo TGA->header converter
 ** ==============================
 ** (C) 2000 by Paolo Scaffardi (arsenio@tin.it)
 ** AIRVENT SAM s.p.a - RIMINI(ITALY)
 **
 ** This is still under construction!
 */

 #include <stdio.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 {
 	unsigned char	*data,
 					*palette ;
 	int				width,
 					height,
 					pixels,
 					bpp,
 					pixel_size,
 					size,
 					palette_size,
 					yuyv;
 } image_t ;

 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");
     }
 }

 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);

     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 		= malloc(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 = malloc(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;
 }

 int image_free (image_t *image)
 {
     if(image->data != NULL)
 		free(image->data);

     if(image->palette != NULL)
 		free(image->palette);

 	return 0;
 }

 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	= malloc(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_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");

 /*	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[DEF_%s_SIZE] = {\n", def_name, 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

 int main (int argc, char *argv[])
 {
     char
 	inputfile[DEF_FILELEN],
 	outputfile[DEF_FILELEN],
 	varname[DEF_FILELEN];

     image_t 		rgb_logo, yuyv_logo ;

     switch (argc){
     case 2:
     case 3:
     case 4:
 	strcpy (inputfile, 	argv[1]);

 	if (argc > 2)
 	    strcpy (varname, 	argv[2]);
 	else
 	{
 	    int pos = strchr(inputfile, '.');

 	    if (pos >= 0)
 	    {
 		strncpy (varname, inputfile, pos);
 		varname[pos] = 0 ;
 	    }
 	}

 	if (argc > 3)
 	    strcpy (outputfile, argv[3]);
 	else
 	{
 	    int pos = strchr (varname, '.');

 	    if (pos > 0)
 	    {
 		char app[DEF_FILELEN] ;

 		strncpy(app, varname, pos);
 		sprintf(outputfile, "%s.h", app);
 	    }
 	}
 	break;

     default:
 	printf("EasyLogo 1.0 (C) 2000 by Paolo Scaffardi\n\n");

 	printf("Syntax:	easylogo inputfile [outputvar {outputfile}] \n");
 	printf("\n");
 	printf("Where:	'inputfile' 	is the TGA image to load\n");
 	printf("      	'outputvar' 	is the variable name to create\n");
 	printf("       	'outputfile' 	is the output header file (default is 'inputfile.h')\n");

 	return -1 ;
     }

     printf("Doing '%s' (%s) from '%s'...",
 	outputfile, varname, inputfile);

 /* Import TGA logo */

     printf("L");
     if (image_load_tga (&rgb_logo, inputfile)<0)
     {
 	printf("input file not found!\n");
 	exit(1);
     }

 /* Convert it to YUYV format */

     printf("C");
     image_rgb_to_yuyv (&rgb_logo, &yuyv_logo) ;

 /* Save it into a header format */

     printf("S");
     image_save_header (&yuyv_logo, outputfile, varname) ;

 /* Free original image and copy */

     image_free (&rgb_logo);
     image_free (&yuyv_logo);

     printf("\n");

     return 0 ;
 }
	/*
	** Easylogo TGA->header converter
	** ==============================
	** (C) 2000 by Paolo Scaffardi (arsenio@tin.it)
	** AIRVENT SAM s.p.a - RIMINI(ITALY)
	**
	** This is still under construction!
	*/

	#include <stdio.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 {
	unsigned char *data,
	*palette ;
	int width,
	height,
	pixels,
	bpp,
	pixel_size,
	size,
	palette_size,
	yuyv;
	} image_t ;

	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");
	}
	}

	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);

	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 = malloc(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 = malloc(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;
	}

	int image_free (image_t *image)
	{
	if(image->data != NULL)
	free(image->data);

	if(image->palette != NULL)
	free(image->palette);

	return 0;
	}

	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 = malloc(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_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");

	/* 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[DEF_%s_SIZE] = {\n", def_name, 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

	int main (int argc, char *argv[])
	{
	char
	inputfile[DEF_FILELEN],
	outputfile[DEF_FILELEN],
	varname[DEF_FILELEN];

	image_t rgb_logo, yuyv_logo ;

	switch (argc){
	case 2:
	case 3:
	case 4:
	strcpy (inputfile, argv[1]);

	if (argc > 2)
	strcpy (varname, argv[2]);
	else
	{
	int pos = strchr(inputfile, '.');

	if (pos >= 0)
	{
	strncpy (varname, inputfile, pos);
	varname[pos] = 0 ;
	}
	}

	if (argc > 3)
	strcpy (outputfile, argv[3]);
	else
	{
	int pos = strchr (varname, '.');

	if (pos > 0)
	{
	char app[DEF_FILELEN] ;

	strncpy(app, varname, pos);
	sprintf(outputfile, "%s.h", app);
	}
	}
	break;

	default:
	printf("EasyLogo 1.0 (C) 2000 by Paolo Scaffardi\n\n");

	printf("Syntax: easylogo inputfile [outputvar {outputfile}] \n");
	printf("\n");
	printf("Where: 'inputfile' is the TGA image to load\n");
	printf(" 'outputvar' is the variable name to create\n");
	printf(" 'outputfile' is the output header file (default is 'inputfile.h')\n");

	return -1 ;
	}

	printf("Doing '%s' (%s) from '%s'...",
	outputfile, varname, inputfile);

	/* Import TGA logo */

	printf("L");
	if (image_load_tga (&rgb_logo, inputfile)<0)
	{
	printf("input file not found!\n");
	exit(1);
	}

	/* Convert it to YUYV format */

	printf("C");
	image_rgb_to_yuyv (&rgb_logo, &yuyv_logo) ;

	/* Save it into a header format */

	printf("S");
	image_save_header (&yuyv_logo, outputfile, varname) ;

	/* Free original image and copy */

	image_free (&rgb_logo);
	image_free (&yuyv_logo);

	printf("\n");

	return 0 ;
	}