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Adding support for Rendered backend

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This commit is contained in:
Sam Lown
2010-05-30 19:25:24 +02:00
parent 677ef5489e
commit d50c2c51a3
7 changed files with 279 additions and 5 deletions
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38
backend/library.c
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@@ -92,6 +92,30 @@ void ZBarcode_Delete(struct zint_symbol *symbol)
{
if (symbol->bitmap != NULL)
free(symbol->bitmap);
// If there is a rendered version, ensure it's memory is released
if (symbol->rendered != NULL) {
struct zint_render_line *line, *l;
struct zint_render_char *bchar, *bc;
// Free lines
line = symbol->rendered->lines;
while(line) {
l = line;
line = line->next;
free(l);
}
// Free Chars
bchar = symbol->rendered->chars;
while (bchar) {
bc = bchar;
bchar = bchar->next;
free(bc);
}
// Free Render
free(symbol->rendered);
}
free(symbol);
}
@@ -154,6 +178,8 @@ extern int grid_matrix(struct zint_symbol *symbol, unsigned char source[], int l
extern int png_handle(struct zint_symbol *symbol, int rotate_angle);
#endif
extern int render_plot(struct zint_symbol *symbol, unsigned int hide_text);
extern int bmp_handle(struct zint_symbol *symbol, int rotate_angle);
extern int ps_plot(struct zint_symbol *symbol);
extern int svg_plot(struct zint_symbol *symbol);
@@ -835,3 +861,15 @@ int ZBarcode_Encode_File_and_Buffer(struct zint_symbol *symbol, char *filename,
return ZBarcode_Buffer(symbol, rotate_angle);
}
/*
* Rendering support, initially added by Sam Lown.
*
* Converts encoded data into an intermediate format to be interpreted
* in other applications using this library.
*/
int ZBarcode_Render(struct zint_symbol *symbol, unsigned int hide_text)
{
// Send the request to the render_plot method
return render_plot(symbol, hide_text);
}