165 

   165 

   166 /**

   166 /**

   167  * Render a PNG tile to a FILE*.

   167  * Render a PNG tile to a FILE*.

   168  *

   168  *

   169  * The PNG data will be written to the given stream, which will be flushed, but not closed.

   169  * The PNG data will be written to the given stream, which will be flushed, but not closed.

   170  */

   172  */

   171 int pt_image_tile_file (struct pt_image *image, const struct pt_tile_info *info, FILE *out);

   173 int pt_image_tile_file (struct pt_image *image, const struct pt_tile_info *info, FILE *out);

   172 

   174 

   173 /**

   175 /**

   174  * Render a PNG tile to memory.

   176  * Render a PNG tile to memory.

   175  *

   177  *

   176  * The PNG data will be written to a malloc'd buffer.

   178  * The PNG data will be written to a malloc'd buffer.

   177  *

   181  *

   178  * @param image render from image's cache

   182  * @param image render from image's cache

   179  * @param info tile parameters

   183  * @param info tile parameters

   180  * @param buf_ptr returned heap buffer

   184  * @param buf_ptr returned heap buffer

   181  * @param len_ptr returned buffer length

   185  * @param len_ptr returned buffer length