liberscribble/src/scbpoint.c Source File

00001 /*
00002  * This file is part of liberscribble.
00003  *
00004  * liberscribble is free software: you can redistribute it and/or modify
00005  * it under the terms of the GNU General Public License as published by
00006  * the Free Software Foundation, either version 2 of the License, or
00007  * (at your option) any later version.
00008  *
00009  * liberscribble is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program. If not, see <http://www.gnu.org/licenses/>.
00016  */
00017 
00023 #include "scbpoint.h"
00024 #include "scbtype.h"
00025 #include "scblog.h"
00026 #include <stdio.h>
00027 
00028 /*
00029 The following two function are used by xml storage, they are replaced by
00030 function in ScbStroke
00031 int scb_point_read(ScbPointPtr p, const char * buf, const int length)
00032 {
00033     if (NULL == p)
00034     {
00035         SCB_ERROR("Invalid pointer!");
00036         return SCB_RET_ERR;
00037     }
00038 
00039     if (NULL == buf || 0 >= length)
00040     {
00041         SCB_ERROR("Invalid buffer pointer or length");
00042         return SCB_RET_ERR;
00043     }
00044 
00045     // in fact, we should check the fields returned
00046     scanf(buf, length, "%d %d %d", &p->x, &p->y, &p->pressure);
00047     return SCB_RET_OK;
00048 }
00049 
00050 int scb_point_write(const ScbPointPtr p, char * buf, const int length)
00051 {
00052     if (NULL == p)
00053     {
00054         SCB_ERROR("Invalid point pointer!");
00055         return SCB_RET_ERR;
00056     }
00057 
00058     if (NULL == buf || 0 >= length)
00059     {
00060         SCB_ERROR("Invalid buffer pointer or length");
00061         return SCB_RET_ERR;
00062     }
00063 
00064     snprintf(buf, length, "%d %d %d\n", p->x, p->y, p->pressure);
00065     return SCB_RET_OK;
00066 }
00067 */
00068 
00069 
00070 void scb_point_dump(const ScbPointPtr p)
00071 {
00072     SCB_RET_IF(p == NULL, "NULL pointer!");
00073     SCB_DUMP("(%d, %d)", p->x, p->y);
00074 }