easylogo: add support for 16-bit RGB565
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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@ -276,6 +276,35 @@ int image_rgb_to_yuyv (image_t * rgb_image, image_t * yuyv_image)
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return 0;
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return 0;
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}
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}
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int image_rgb888_to_rgb565(image_t *rgb888_image, image_t *rgb565_image)
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{
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rgb_t *rgb_ptr = (rgb_t *) rgb888_image->data;
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unsigned short *dest;
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int count = 0;
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rgb565_image->pixel_size = 2;
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rgb565_image->bpp = 16;
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rgb565_image->yuyv = 0;
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rgb565_image->width = rgb888_image->width;
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rgb565_image->height = rgb888_image->height;
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rgb565_image->pixels = rgb565_image->width * rgb565_image->height;
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rgb565_image->size = rgb565_image->pixels * rgb565_image->pixel_size;
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dest = (unsigned short *) (rgb565_image->data =
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xmalloc(rgb565_image->size));
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rgb565_image->palette = 0;
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rgb565_image->palette_size = 0;
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while ((count++) < rgb888_image->pixels) {
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*dest++ = ((rgb_ptr->b & 0xF8) << 8) |
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((rgb_ptr->g & 0xFC) << 3) |
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(rgb_ptr->r >> 3);
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rgb_ptr++;
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}
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return 0;
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}
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int use_gzip = 0;
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int use_gzip = 0;
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int image_save_header (image_t * image, char *filename, char *varname)
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int image_save_header (image_t * image, char *filename, char *varname)
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@ -434,7 +463,8 @@ static void usage (int exit_status)
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"Syntax: easylogo [options] inputfile [outputvar [outputfile]]\n"
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"Syntax: easylogo [options] inputfile [outputvar [outputfile]]\n"
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"\n"
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"\n"
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"Options:\n"
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"Options:\n"
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" -r Output RGB instead of YUYV\n"
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" -r Output RGB888 instead of YUYV\n"
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" -s Output RGB565 instead of YUYV\n"
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" -g Compress with gzip\n"
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" -g Compress with gzip\n"
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" -b Preallocate space in bss for decompressing image\n"
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" -b Preallocate space in bss for decompressing image\n"
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" -h Help output\n"
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" -h Help output\n"
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@ -449,20 +479,25 @@ static void usage (int exit_status)
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int main (int argc, char *argv[])
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int main (int argc, char *argv[])
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{
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{
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int c;
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int c;
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bool use_rgb = false;
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bool use_rgb888 = false;
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bool use_rgb565 = false;
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char inputfile[DEF_FILELEN],
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char inputfile[DEF_FILELEN],
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outputfile[DEF_FILELEN], varname[DEF_FILELEN];
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outputfile[DEF_FILELEN], varname[DEF_FILELEN];
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image_t rgb_logo, yuyv_logo;
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image_t rgb888_logo, rgb565_logo, yuyv_logo;
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while ((c = getopt(argc, argv, "hrgb")) > 0) {
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while ((c = getopt(argc, argv, "hrsgb")) > 0) {
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switch (c) {
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switch (c) {
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case 'h':
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case 'h':
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usage (0);
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usage (0);
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break;
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break;
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case 'r':
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case 'r':
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use_rgb = true;
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use_rgb888 = true;
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puts ("Using 24-bit RGB Output Fromat");
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puts("Using 24-bit RGB888 Output Fromat");
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break;
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case 's':
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use_rgb565 = true;
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puts("Using 16-bit RGB565 Output Fromat");
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break;
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break;
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case 'g':
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case 'g':
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use_gzip |= 0x1;
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use_gzip |= 0x1;
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@ -512,28 +547,35 @@ int main (int argc, char *argv[])
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/* Import TGA logo */
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/* Import TGA logo */
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printf ("L");
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printf ("L");
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if (image_load_tga (&rgb_logo, inputfile) < 0) {
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if (image_load_tga(&rgb888_logo, inputfile) < 0) {
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printf ("input file not found!\n");
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printf ("input file not found!\n");
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exit (1);
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exit (1);
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}
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}
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/* Convert it to YUYV format if wanted */
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/* Convert, save, and free the image */
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if (!use_rgb) {
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if (!use_rgb888 && !use_rgb565) {
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printf ("C");
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printf ("C");
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image_rgb_to_yuyv (&rgb_logo, &yuyv_logo);
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image_rgb_to_yuyv(&rgb888_logo, &yuyv_logo);
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printf("S");
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image_save_header(&yuyv_logo, outputfile, varname);
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image_free(&yuyv_logo);
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} else if (use_rgb565) {
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printf("C");
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image_rgb888_to_rgb565(&rgb888_logo, &rgb565_logo);
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printf("S");
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image_save_header(&rgb565_logo, outputfile, varname);
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image_free(&rgb565_logo);
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} else {
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printf("S");
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image_save_header(&rgb888_logo, outputfile, varname);
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}
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}
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/* Save it into a header format */
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printf ("S");
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image_save_header (use_rgb ? &rgb_logo : &yuyv_logo, outputfile, varname);
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/* Free original image and copy */
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/* Free original image and copy */
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image_free (&rgb_logo);
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image_free(&rgb888_logo);
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if (!use_rgb)
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image_free (&yuyv_logo);
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printf ("\n");
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printf ("\n");
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