diff options
Diffstat (limited to 'src/pnm.h')
| -rw-r--r-- | src/pnm.h | 17 |
1 files changed, 14 insertions, 3 deletions
@@ -16,11 +16,10 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <stdio.h> /** - * Store a pixel to an PNM image. + * Store a pixel to a PNM image. * * A pixel in the PNM image is formatted as `%{red} %{green} %{blue} ` in text. * @@ -30,7 +29,7 @@ * @param B:int The [0, 255]-value on the blue subpixel. * @return Positive on success (not zero!), -1 on error. */ -#define SAVE_PIXEL(F, R, G, B) \ +#define SAVE_PNM_PIXEL(F, R, G, B) \ fprintf (F, "%s%s%s", inttable[R], inttable[G], inttable[B]) @@ -47,3 +46,15 @@ */ extern const char* inttable[]; + +/** + * Create an PNM file. + * + * @param fbfd The file descriptor connected to framebuffer device. + * @param width The width of the image. + * @param height The height of the image. + * @param imgfd The file descriptor connected to conversion process's stdin. + * @return Zero on success, -1 on error. + */ +int save_pnm (int fbfd, long width, long height, int imgfd); + |