+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 1997-2011 Adam Williams <broadcast at earthling dot net>
- *
- * This program 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.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "clip.h"
-#include "histogramconfig.h"
-#include "units.h"
-
-#include <math.h>
-
-
-
-HistogramConfig::HistogramConfig()
-{
- plot = 1;
- split = 0;
-
- reset(1);
-}
-
-void HistogramConfig::reset(int do_mode)
-{
- for(int i = 0; i < HISTOGRAM_MODES; i++)
- {
- low_input[i] = 0.0;
- high_input[i] = 1.0;
- low_output[i] = 0.0;
- high_output[i] = 1.0;
- gamma[i] = 1.0;
- }
-
- if(do_mode)
- {
- automatic = 0;
- automatic_v = 0;
- threshold = 0.1;
- }
-}
-
-void HistogramConfig::reset_points(int colors_only)
-{
- for(int i = 0; i < HISTOGRAM_MODES; i++)
- {
- if(i != HISTOGRAM_VALUE || !colors_only)
- {
- low_input[i] = 0.0;
- high_input[i] = 1.0;
- }
- }
-}
-
-
-void HistogramConfig::boundaries()
-{
- for(int i = 0; i < HISTOGRAM_MODES; i++)
- {
- CLAMP(low_input[i], HIST_MIN_INPUT, HIST_MAX_INPUT);
- CLAMP(high_input[i], HIST_MIN_INPUT, HIST_MAX_INPUT);
- CLAMP(low_output[i], HIST_MIN_INPUT, HIST_MAX_INPUT);
- CLAMP(high_output[i], HIST_MIN_INPUT, HIST_MAX_INPUT);
- CLAMP(gamma[i], MIN_GAMMA, MAX_GAMMA);
- low_output[i] = Units::quantize(low_output[i], PRECISION);
- high_output[i] = Units::quantize(high_output[i], PRECISION);
- }
- CLAMP(threshold, 0, 1);
-}
-
-int HistogramConfig::equivalent(HistogramConfig &that)
-{
-// EQUIV isn't precise enough to detect changes in points
- for(int i = 0; i < HISTOGRAM_MODES; i++)
- {
-// if(!EQUIV(low_input[i], that.low_input[i]) ||
-// !EQUIV(high_input[i], that.high_input[i]) ||
-// !EQUIV(gamma[i], that.gamma[i]) ||
-// !EQUIV(low_output[i], that.low_output[i]) ||
-// !EQUIV(high_output[i], that.high_output[i])) return 0;
- if(low_input[i] != that.low_input[i] ||
- high_input[i] != that.high_input[i] ||
- gamma[i] != that.gamma[i] ||
- low_output[i] != that.low_output[i] ||
- high_output[i] != that.high_output[i]) return 0;
- }
-
- if(automatic != that.automatic ||
- automatic_v != that.automatic_v ||
- threshold != that.threshold) return 0;
-
- if(plot != that.plot ||
- split != that.split) return 0;
-
- return 1;
-}
-
-void HistogramConfig::copy_from(HistogramConfig &that)
-{
- for(int i = 0; i < HISTOGRAM_MODES; i++)
- {
- low_input[i] = that.low_input[i];
- high_input[i] = that.high_input[i];
- gamma[i] = that.gamma[i];
- low_output[i] = that.low_output[i];
- high_output[i] = that.high_output[i];
- }
-
- automatic = that.automatic;
- automatic_v = that.automatic_v;
- threshold = that.threshold;
- plot = that.plot;
- split = that.split;
-}
-
-void HistogramConfig::interpolate(HistogramConfig &prev,
- HistogramConfig &next,
- int64_t prev_frame,
- int64_t next_frame,
- int64_t current_frame)
-{
- double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
- double prev_scale = 1.0 - next_scale;
-
- for(int i = 0; i < HISTOGRAM_MODES; i++)
- {
- low_input[i] = prev.low_input[i] * prev_scale + next.low_input[i] * next_scale;
- high_input[i] = prev.high_input[i] * prev_scale + next.high_input[i] * next_scale;
- gamma[i] = prev.gamma[i] * prev_scale + next.gamma[i] * next_scale;
- low_output[i] = prev.low_output[i] * prev_scale + next.low_output[i] * next_scale;
- high_output[i] = prev.high_output[i] * prev_scale + next.high_output[i] * next_scale;
- }
-
- threshold = prev.threshold * prev_scale + next.threshold * next_scale;
- automatic = prev.automatic;
- automatic_v = prev.automatic_v;
- plot = prev.plot;
- split = prev.split;
-
-
-}
-
-
-void HistogramConfig::dump()
-{
- for(int j = 0; j < HISTOGRAM_MODES; j++)
- {
- printf("HistogramConfig::dump mode=%d plot=%d split=%d\n", j, plot, split);
- }
-}
-
-
-