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/*
* slide_priv.c
*
* Copyright © 2019 Thomas White <taw@bitwiz.org.uk>
*
* This file is part of Colloquium.
*
* Colloquium 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "slide.h"
#include "slide_priv.h"
static double lcalc(struct length l, double pd)
{
if ( l.unit == LENGTH_UNIT ) {
return l.len;
} else {
return l.len * pd;
}
}
static enum style_element styel_for_slideitem(enum slide_item_type t)
{
switch ( t ) {
case SLIDE_ITEM_TEXT :
return STYEL_SLIDE_TEXT;
case SLIDE_ITEM_IMAGE :
return STYEL_SLIDE_IMAGE;
case SLIDE_ITEM_PRESTITLE :
return STYEL_SLIDE_PRESTITLE;
case SLIDE_ITEM_SLIDETITLE :
return STYEL_SLIDE_SLIDETITLE;
case SLIDE_ITEM_FOOTER :
return STYEL_SLIDE_FOOTER;
}
fprintf(stderr, "Invalid slide item %i\n", t);
return STYEL_SLIDE_TEXT;
}
void slide_item_get_geom(struct slide_item *item, Stylesheet *ss,
double *x, double *y, double *w, double *h,
double slide_w, double slide_h)
{
struct frame_geom geom;
if ( (item->type == SLIDE_ITEM_TEXT)
|| (item->type == SLIDE_ITEM_IMAGE) )
{
geom = item->geom;
} else {
if ( stylesheet_get_geometry(ss, styel_for_slideitem(item->type), &geom) ) {
*x = 0.0; *y = 0.0;
*w = 0.0; *h = 0.0;
return;
}
}
*x = lcalc(geom.x, slide_w);
*y = lcalc(geom.y, slide_h);
*w = lcalc(geom.w, slide_w);
*h = lcalc(geom.h, slide_h);
}
void slide_item_get_padding(struct slide_item *item, Stylesheet *ss,
double *l, double *r, double *t, double *b,
double slide_w, double slide_h)
{
struct length padding[4];
double frx, fry, frw, frh;
if ( stylesheet_get_padding(ss, styel_for_slideitem(item->type), padding) ) {
*l = 0.0; *r = 0.0; *t = 0.0; *b = 0.0;
return;
}
slide_item_get_geom(item, ss, &frx, &fry, &frw, &frh, slide_w, slide_h);
*l = lcalc(padding[0], frw);
*r = lcalc(padding[1], frh);
*t = lcalc(padding[2], frw);
*b = lcalc(padding[3], frh);
}
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