Subversion Repositories freemyipod

//

//

//    Copyright 2010 TheSeven

//

//

//    This file is part of emCORE.

//

//    emCORE is free software: you can redistribute it and/or

//    modify it under the terms of the GNU General Public License as

//    published by the Free Software Foundation, either version 2 of the

//    License, or (at your option) any later version.

//

//    emCORE is distributed in the hope that it will be useful,

//    but WITHOUT ANY WARRANTY; without even the implied warranty of

//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

//    See the GNU General Public License for more details.

//

//    You should have received a copy of the GNU General Public License along

//    with emCORE.  If not, see <http://www.gnu.org/licenses/>.

//

//

#include "global.h"

#include "progressbar.h"

#include "lcd.h"

static void progressbar_drawborderbg(struct progressbar_state* state, int bgstart)

{

    state->currentx = state->startx;

    displaylcd(bgstart + 1, state->endx - 1, state->starty + 1, state->endy - 1,

               (void*)-1, state->bgcolor);

    displaylcd(state->startx, state->endx, state->starty, state->starty,

               (void*)-1, state->bordercolor);

    displaylcd(state->startx, state->endx, state->endy, state->endy,

               (void*)-1, state->bordercolor);

    displaylcd(state->startx, state->startx, state->starty + 1, state->endy - 1,

               (void*)-1, state->bordercolor);

    displaylcd(state->endx, state->endx, state->starty + 1, state->endy - 1,

               (void*)-1, state->bordercolor);

}

void progressbar_init(struct progressbar_state* state, int startx, int endx, int starty, int endy,

                      int bordercolor, int bgcolor, int fgcolor, int min, int max)

{

    state->startx = startx;

    state->endx = endx;

    state->starty = starty;

    state->endy = endy;

    state->bordercolor = bordercolor;

    state->bgcolor = bgcolor;

    state->fgcolor = fgcolor;

    state->min = min;

    state->max = max;

    progressbar_drawborderbg(state, state->startx);

}

void progressbar_setpos(struct progressbar_state* state, int value, bool redraw)

{

    if (value > state->max) value = state->max;

    if (value < state->min) value = state->min;

    int newx = (value - state->min) * (state->endx - state->startx - 1)

             / (state->max - state->min) + state->startx;

    if (redraw || newx < state->currentx) progressbar_drawborderbg(state, newx);

    if (newx > state->currentx)

        displaylcd(state->currentx + 1, newx, state->starty + 1, state->endy - 1,

                   (void*)-1, state->fgcolor);

    state->currentx = newx;

}