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-rw-r--r--dgedit/samplesorter.cc271
1 files changed, 0 insertions, 271 deletions
diff --git a/dgedit/samplesorter.cc b/dgedit/samplesorter.cc
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index 00139e2..0000000
--- a/dgedit/samplesorter.cc
+++ /dev/null
@@ -1,271 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/***************************************************************************
- * samplesorter.cc
- *
- * Mon Nov 30 07:45:58 CET 2009
- * Copyright 2009 Bent Bisballe Nyeng
- * deva@aasimon.org
- ****************************************************************************/
-
-/*
- * This file is part of DrumGizmo.
- *
- * DrumGizmo 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.
- *
- * DrumGizmo 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 DrumGizmo; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-#include "samplesorter.h"
-
-#include <QPainter>
-#include <QPaintEvent>
-
-#include <stdio.h>
-
-#include <math.h>
-#ifndef MAXFLOAT
-#define MAXFLOAT (3.40282347e+38F)
-#endif
-
-SampleSorter::SampleSorter(Selections &s, Selections &p)
- : selections(s), selections_preview(p)
-{
- setMouseTracking(true);
-
- data = NULL;
- size = 0;
- attlen = 666; // Magical constants needs biblical proportions...
-
- sel_moving = SEL_NONE;
-}
-
-void SampleSorter::setShowPreview(bool s)
-{
- show_preview = s;
- update();
-}
-
-void SampleSorter::setWavData(const float *data, size_t size)
-{
- this->data = data;
- this->size = size;
- relayout();
-}
-
-int SampleSorter::attackLength()
-{
- return attlen;
-}
-
-void SampleSorter::setAttackLength(int len)
-{
- attlen = len;
- relayout();
-}
-
-void SampleSorter::addSelection(sel_id_t id)
-{
- Selection s = selections.get(id);
-
- double energy = 0.0;
- for(size_t idx = s.from;
- (idx < (size_t)s.from + (size_t)attackLength()) &&
- (idx < (size_t)s.to) && (idx < size);
- idx++) {
- energy += data[idx] * data[idx];
- }
-
- s.energy = energy;
- selections.update(id, s);
-
- relayout();
-}
-
-void SampleSorter::addSelectionPreview(sel_id_t id)
-{
- Selection s = selections_preview.get(id);
-
- double energy = 0.0;
- for(size_t idx = s.from;
- (idx < (size_t)s.from + (size_t)attackLength()) &&
- (idx < (size_t)s.to) && (idx < size);
- idx++) {
- energy += data[idx] * data[idx];
- }
-
- s.energy = energy;
- selections_preview.update(id, s);
-
- relayout();
-}
-
-void SampleSorter::relayout()
-{
- min = MAXFLOAT;
- max = 0.0;
-
- {
- QVector<sel_id_t> ids = selections.ids();
- QVector<sel_id_t>::iterator i = ids.begin();
- while(i != ids.end()) {
- Selection sel = selections.get(*i);
-
- if(sel.energy < min) min = sel.energy;
- if(sel.energy > max) max = sel.energy;
-
- i++;
- }
- }
-
- if(show_preview) {
- QVector<sel_id_t> ids = selections_preview.ids();
- QVector<sel_id_t>::iterator i = ids.begin();
- while(i != ids.end()) {
- Selection sel = selections_preview.get(*i);
-
- if(sel.energy < min) min = sel.energy;
- if(sel.energy > max) max = sel.energy;
-
- i++;
- }
- }
-
- update();
-}
-
-#define MAP(p) (height()-(int)(p*((float)height()/(float)width())))
-
-#define unmapX(x) ((double)x/(double)(width()-1))
-#define unmapY(x) x
-#define mapX(x) (((double)x)*(width()-1))
-#define mapY(x) x
-
-#define C_RADIUS 2
-static void drawCircle(QPainter &p, int x, int y)
-{
- p.drawEllipse(x - C_RADIUS, y - C_RADIUS, 2 * C_RADIUS, 2 * C_RADIUS);
-}
-
-void SampleSorter::paintEvent(QPaintEvent *event)
-{
- QPainter painter(this);
-
- QColor colBg = QColor(180, 200, 180, 160);
- QColor colFg = QColor(160, 180, 160, 160);
- QColor colPt = QColor(255, 100, 100, 160);
- QColor colPtPreview = QColor(0, 0, 255, 160);
- QColor colPtSel = QColor(255, 255, 100, 160);
-
- painter.setPen(colBg);
- painter.setBrush(colBg);
- painter.drawRect(event->rect());
-
- painter.setPen(colFg);
- painter.drawLine(0,height(),width(),0);
-
- {
- QVector<sel_id_t> ids = selections.ids();
- QVector<sel_id_t>::iterator i = ids.begin();
- while(i != ids.end()) {
- Selection sel = selections.get(*i);
- if(*i == selections.active()) painter.setPen(colPtSel);
- else painter.setPen(colPt);
- float x = sel.energy / max;
- x = sqrt(x);
- x *= (float)width();
- drawCircle(painter, x, MAP(x));
- i++;
- }
- }
-
- if(show_preview) {
- QVector<sel_id_t> ids = selections_preview.ids();
- QVector<sel_id_t>::iterator i = ids.begin();
- while(i != ids.end()) {
- Selection sel = selections_preview.get(*i);
- painter.setPen(colPtPreview);
- float x = sel.energy / max;
- x = sqrt(x);
- x *= (float)width();
- drawCircle(painter, x, MAP(x));
- i++;
- }
- }
-
-
-}
-
-sel_id_t SampleSorter::getSelectionByCoordinate(int px, int py)
-{
- // Hit radius is slithly larger than the circles themselves.
- int hit_r = C_RADIUS + 1;
-
- QVector<sel_id_t> ids = selections.ids();
- QVector<sel_id_t>::iterator i = ids.begin();
- while(i != ids.end()) {
- Selection sel = selections.get(*i);
- float x = (sel.energy/max);
- x = sqrt(x);
- x *= (float)width();
- if(px < (x + hit_r) && px > (x - hit_r) &&
- py < (MAP(x) + hit_r) && py > (MAP(x) - hit_r)) {
- return *i;
- }
- i++;
- }
-
- return SEL_NONE;
-}
-
-void SampleSorter::mouseMoveEvent(QMouseEvent *event)
-{
- if(sel_moving != SEL_NONE) {
- Selection sel = selections.get(sel_moving);
- if(sel_moving != SEL_NONE) {
- double power = unmapX(event->x());
- power *= power;
- power *= max;
- sel.energy = power;
- selections.update(sel_moving, sel);
- }
-
- update();
- return;
- } else {
- sel_id_t psel = getSelectionByCoordinate(event->x(), event->y());
- if(psel != SEL_NONE) {
- setCursor(Qt::UpArrowCursor);
- } else {
- setCursor(Qt::ArrowCursor);
- }
- }
-}
-
-void SampleSorter::mousePressEvent(QMouseEvent *event)
-{
- if(event->button() == Qt::LeftButton) {
- sel_id_t psel = getSelectionByCoordinate(event->x(), event->y());
- sel_moving = psel;
- selections.setActive(psel);
- if(psel != SEL_NONE) {
- setCursor(Qt::UpArrowCursor);
- }
- }
-}
-
-void SampleSorter::mouseReleaseEvent(QMouseEvent *event)
-{
- if(event->button() == Qt::LeftButton) {
- sel_moving = SEL_NONE;
- setCursor(Qt::ArrowCursor);
- }
-}
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