diff options
Diffstat (limited to 'tools/easylogo')
-rw-r--r-- | tools/easylogo/Makefile | 10 | ||||
-rw-r--r-- | tools/easylogo/easylogo.c | 626 |
2 files changed, 329 insertions, 307 deletions
diff --git a/tools/easylogo/Makefile b/tools/easylogo/Makefile index 292344a..566b125 100644 --- a/tools/easylogo/Makefile +++ b/tools/easylogo/Makefile @@ -1,2 +1,8 @@ -all: easylogo.c - gcc easylogo.c -o easylogo +CFLAGS += -Wall + +all: easylogo + +clean: + rm -f easylogo *.o + +.PHONY: all clean diff --git a/tools/easylogo/easylogo.c b/tools/easylogo/easylogo.c index 9f1d1ff..080bea9 100644 --- a/tools/easylogo/easylogo.c +++ b/tools/easylogo/easylogo.c @@ -8,415 +8,431 @@ */ #include <stdio.h> +#include <stdlib.h> +#include <string.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; + 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 ; + unsigned char r, g, b; +} rgb_t; typedef struct { - unsigned char b,g,r ; -} bgr_t ; + unsigned char b, g, r; +} bgr_t; typedef struct { - unsigned char Cb,y1,Cr,y2; -} yuyv_t ; + 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 *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++ ; - } + 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++ ; - } + 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) +void pixel_rgb_to_yuyv (rgb_t * rgb_pixel, yuyv_t * yuyv_pixel) { - unsigned int pR, pG, pB ; + 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 ; + /* 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 ; + /* 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 ; + return; } -void printlogo_rgb (rgb_t *data, int w, int h) +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"); - } + 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 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) +static inline unsigned short le16_to_cpu (unsigned short val) { - FILE *file ; - tga_header_t header ; - int i; - unsigned char app ; - rgb_t *p ; + union { + unsigned char pval[2]; + unsigned short val; + } swapped; - if( ( file = fopen( filename, "rb" ) ) == NULL ) - return -1; - - fread(&header, sizeof(header), 1, file); - - image->width = header.ImageWidth ; - image->height = header.ImageHeight ; + swapped.val = val; + return (swapped.pval[1] << 8) + swapped.pval[0]; +} - switch (header.ImageTypeCode){ - case 2: /* Uncompressed RGB */ - image->yuyv = 0 ; - image->palette_size = 0 ; - image->palette = NULL ; - break; +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 ; - } + 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) ; + 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 ; - } + if (image->bpp != 24) { + printf ("Bpp not supported: %d!\n", image->bpp); + return -1; + } - fread(image->data, image->size, 1, file); + 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 ; - } + 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; - } + 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; - memcpy(temp, image->data, image->size); - for(i = 0; i<image->height; i++, dest+=linesize, source-=linesize) - memcpy(dest, source, linesize); + printf ("S"); + if (temp == NULL) { + printf ("Cannot alloc temp buffer!\n"); + return -1; + } - free( temp ); - } + 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); + printlogo_rgb (image->data, image->width, image->height); #endif - fclose (file); - return 0; + fclose (file); + return 0; } -int image_free (image_t *image) +int image_free (image_t * image) { - if(image->data != NULL) - free(image->data); + if (image->data != NULL) + free (image->data); - if(image->palette != NULL) - free(image->palette); + if (image->palette != NULL) + free (image->palette); return 0; } -int image_rgb_to_yuyv (image_t *rgb_image, image_t *yuyv_image) +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) - { + 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)); + if ((count & 1) == 0) /* Was == 0 */ + memcpy (dest, ((void *) &yuyv) + 2, sizeof (short)); else - memcpy (dest, (void *)&yuyv, sizeof(short)); + memcpy (dest, (void *) &yuyv, sizeof (short)); - dest ++ ; + dest++; } #ifdef ENABLE_ASCII_BANNERS - printlogo_yuyv (yuyv_image->data, yuyv_image->width, yuyv_image->height); + printlogo_yuyv (yuyv_image->data, yuyv_image->width, + yuyv_image->height); #endif - return 0 ; + return 0; } -int image_save_header (image_t *image, char *filename, char *varname) +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); + 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; + 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); + 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 ; + 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 ; - } - } + 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 { + char *dot = strchr (inputfile, '.'); + int pos = dot - inputfile; + + if (dot) { + strncpy (varname, inputfile, pos); + varname[pos] = 0; + } + } - if (argc > 3) - strcpy (outputfile, argv[3]); - else - { - int pos = strchr (varname, '.'); + if (argc > 3) + strcpy (outputfile, argv[3]); + else { + char *dot = strchr (varname, '.'); + int pos = dot - varname; - if (pos > 0) - { - char app[DEF_FILELEN] ; + if (dot) { + char app[DEF_FILELEN]; - strncpy(app, varname, pos); - sprintf(outputfile, "%s.h", app); - } - } - break; + strncpy (app, varname, pos); + app[pos] = 0; + sprintf (outputfile, "%s.h", app); + } + } + break; - default: - printf("EasyLogo 1.0 (C) 2000 by Paolo Scaffardi\n\n"); + 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"); + 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 ; - } + return -1; + } - printf("Doing '%s' (%s) from '%s'...", - outputfile, varname, inputfile); + printf ("Doing '%s' (%s) from '%s'...", + outputfile, varname, inputfile); -/* Import TGA logo */ + /* Import TGA logo */ - printf("L"); - if (image_load_tga (&rgb_logo, inputfile)<0) - { - printf("input file not found!\n"); - exit(1); - } + printf ("L"); + if (image_load_tga (&rgb_logo, inputfile) < 0) { + printf ("input file not found!\n"); + exit (1); + } -/* Convert it to YUYV format */ + /* Convert it to YUYV format */ - printf("C"); - image_rgb_to_yuyv (&rgb_logo, &yuyv_logo) ; + printf ("C"); + image_rgb_to_yuyv (&rgb_logo, &yuyv_logo); -/* Save it into a header format */ + /* Save it into a header format */ - printf("S"); - image_save_header (&yuyv_logo, outputfile, varname) ; + printf ("S"); + image_save_header (&yuyv_logo, outputfile, varname); -/* Free original image and copy */ + /* Free original image and copy */ - image_free (&rgb_logo); - image_free (&yuyv_logo); + image_free (&rgb_logo); + image_free (&yuyv_logo); - printf("\n"); + printf ("\n"); - return 0 ; + return 0; } |