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Added support for font color.

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Font color support as per SMPTE-TT Specification.
This commit is contained in:
Saurabh Shrivastava 2016-12-31 02:00:54 +05:30 committed by GitHub
parent 6c1ba95f89
commit afc8a3d764
1 changed files with 57 additions and 5 deletions
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62
src/lib_ccx/ccx_encoders_smptett.c
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@ -365,11 +365,63 @@ int write_cc_buffer_as_smptett(struct eia608_screen *data, struct encoder_ctx *c
}
}
else
{
//NO styling, writing as it is.\n");
strcpy(final,(context->subline));
}
else //No style or Font Color
{
start = strstr((context->subline), "<font color"); //spec : <font color="#xxxxxx"> cc </font>
if(start!=NULL) //font color attribute is present
{
unsigned char *end = strstr((context->subline), "</font>");
if(end == NULL)
{
//Incorrect styling, writing as it is
strcpy(final,(context->subline));
}
else
{
int start_index = start-(context->subline);
int end_index = end-(context->subline);
strncat(final,(context->subline),start_index); // copying content before opening tag e.g. <font ..>
strcat(final,"<span>"); //adding <span> : replacement of <font ..>
unsigned char *temp_pointer = strchr((context->subline),'#'); //locating color code
unsigned char *color_code=malloc(7);
strncat(color_code,(context->subline) + (temp_pointer - (context->subline) + 1),6); //obtained color code
temp_pointer = strchr((context->subline), '>'); //The content is in between <font ..> and </font>
strncat(temp, (context->subline) + (temp_pointer - (context->subline) + 1), end_index - (temp_pointer - (context->subline) + 1));
strcat(final,temp); //attaching to final sentence.
sprintf(temp,"<style tts:backgroundColor=\"#FFFF00FF\" tts:color=\"%s\" tts:fontSize=\"18px\"/></span>",color_code);
strcat(final,temp); //adding font color tag
sprintf(temp,"%s", (context->subline) + end_index + 7); //finding remaining sentence.
strcat(final,temp); //adding remaining sentence
printf("final is : %s\n",final);
freep(&color_code);
}
}
else
{
//NO styling, writing as it is
strcpy(final,(context->subline));
}
}
write(context->out->fh, final, strlen(final));