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authordeva <deva>2011-07-15 13:02:33 +0000
committerdeva <deva>2011-07-15 13:02:33 +0000
commitcd0e36773992e26985bdec1f7a5341f83fa3e521 (patch)
tree4710fb3f2465f4b464f5f6176261a67cfde2e46e /dgedit/samplesorter.cc
parente190d38057892b69246391841b234a368bc2b4ad (diff)
New input/output plugin architecture. New LV2 plugin.
Diffstat (limited to 'dgedit/samplesorter.cc')
-rw-r--r--dgedit/samplesorter.cc139
1 files changed, 124 insertions, 15 deletions
diff --git a/dgedit/samplesorter.cc b/dgedit/samplesorter.cc
index e93754c..545c7cd 100644
--- a/dgedit/samplesorter.cc
+++ b/dgedit/samplesorter.cc
@@ -29,18 +29,24 @@
#include <QPainter>
#include <QPaintEvent>
+#include <stdio.h>
+
#include <math.h>
#ifndef MAXFLOAT
#define MAXFLOAT (3.40282347e+38F)
#endif
-#define NUM_LEVELS 6
-
SampleSorter::SampleSorter()
{
+ setMouseTracking(true);
+
data = NULL;
size = 0;
attlen = 666; // Magical constants needs biblical proportions...
+
+ cur_thr = -1;
+ threshold.push_back(100);
+ threshold_is_moving = false;
}
void SampleSorter::setWavData(const float *data, size_t size)
@@ -81,20 +87,41 @@ Selections SampleSorter::selections()
return s;
}
-QVector<int> SampleSorter::levels()
+Levels SampleSorter::levels()
{
- QVector<int> lvls;
- int idx = 0;
- float next = min;
+ Levels lvls;
+
+ for(int i = 0; i < threshold.size(); i++) {
+ for(int j = 0; j < threshold.size(); j++) {
+ if(threshold[i] < threshold[j]) {
+ int tmp = threshold[i];
+ threshold[i] = threshold[j];
+ threshold[j] = tmp;
+ }
+ }
+ }
+
- QMap<float, Selection>::iterator i = sorted.begin();
- while(i != sorted.end()) {
- if(i.key() >= next) {
- lvls.push_back(idx);
- next += (max - min) / NUM_LEVELS;
+ for(int i = -1; i < threshold.size(); i++) {
+ Level lvl;
+
+ if(i == -1) lvl.velocity = 0;
+ else lvl.velocity = threshold[i];
+
+ int next;
+ if(i == threshold.size() - 1) next = 127;
+ else next = threshold[i+1];
+
+ QMap<float, Selection>::iterator i = sorted.begin();
+ while(i != sorted.end()) {
+ float val = (i.key()/max)*127.0;
+ if(val >= lvl.velocity && val <= next) {
+ lvl.selections[i.key()] = i.value();
+ }
+ i++;
}
- i++;
- idx++;
+
+ lvls.push_back(lvl);
}
return lvls;
@@ -114,7 +141,8 @@ void SampleSorter::resort()
Selection s = i.value();
for(size_t idx = s.from;
- (idx < (size_t)s.from + (size_t)attackLength()) && (idx < (size_t)s.to) && (idx < size);
+ (idx < (size_t)s.from + (size_t)attackLength()) &&
+ (idx < (size_t)s.to) && (idx < size);
idx++) {
energy += data[idx] * data[idx];
}
@@ -142,6 +170,12 @@ void SampleSorter::setActiveSelection(Selection s)
#define MAP(p) (height()-(int)(p*((float)height()/(float)width())))
+#define unmapX(x) ((double)x/(double)(width()-1)*127.0)
+#define unmapY(x) x
+#define mapX(x) (((double)x/127.0)*(width()-1))
+#define mapY(x) x
+
+
static void drawCircle(QPainter &p, int x, int y)
{
p.drawEllipse(x-2, y-2, 4, 4);
@@ -155,6 +189,7 @@ void SampleSorter::paintEvent(QPaintEvent *event)
QColor colFg = QColor(160, 180, 160);
QColor colPt = QColor(255, 100, 100);
QColor colPtSel = QColor(255, 255, 100);
+ QColor colVel = QColor(0, 0, 0);
painter.setPen(colBg);
painter.setBrush(colBg);
@@ -167,10 +202,84 @@ void SampleSorter::paintEvent(QPaintEvent *event)
QMap<float, Selection>::iterator i = sorted.begin();
while(i != sorted.end()) {
- if(sel.to == i.value().to && sel.from == i.value().from) painter.setPen(colPtSel);
+ if(sel.to == i.value().to && sel.from == i.value().from)
+ painter.setPen(colPtSel);
else painter.setPen(colPt);
float x = (i.key()/max)*(float)width();
drawCircle(painter, x, MAP(x));
i++;
}
+
+ for(int i = 0; i < threshold.size(); i++) {
+ if(cur_thr == i) painter.setPen(colPtSel);
+ else painter.setPen(colPt);
+ painter.drawLine(mapX(threshold[i]), 0, mapX(threshold[i]), height());
+ char valstr[32];
+ sprintf(valstr, "%d", (int)threshold[i]);
+ painter.setPen(colVel);
+ painter.drawText(mapX(threshold[i]), height(), valstr);
+ }
+}
+
+void SampleSorter::mouseMoveEvent(QMouseEvent *event)
+{
+ if(cur_thr != -1 && cur_thr < threshold.size()) {
+ float val = unmapX(event->x());
+ if(val < 0) val = 0;
+ if(val > 127) val = 127;
+ threshold[cur_thr] = fabs(val);
+ update();
+ return;
+ }
+
+ if(event->button() != Qt::LeftButton) {
+ setCursor(Qt::ArrowCursor);
+ for(size_t i = 0; i < (size_t)threshold.size(); i++) {
+ if(abs(event->x() - mapX(threshold[i])) < 2 ||
+ abs(event->x() - mapX(-threshold[i])) < 2 ) {
+ setCursor(Qt::SplitHCursor);
+ }
+ }
+ }
+}
+
+void SampleSorter::mousePressEvent(QMouseEvent *event)
+{
+ if(event->button() == Qt::LeftButton) {
+
+ // Check if threshold is being dragged.
+ for(size_t i = 0; i < (size_t)threshold.size(); i++) {
+ if(abs(event->x() - mapX(threshold[i])) < 2 ||
+ abs(event->x() - mapX(-threshold[i])) < 2 ) {
+ cur_thr = i;
+ threshold_is_moving = true;
+ update();
+ return;
+ }
+ }
+
+ // Make new selection
+ int from = unmapX(event->x());
+ threshold.push_back(from);
+ cur_thr = threshold.size() - 1;
+ threshold_is_moving = true;
+ update();
+ return;
+ }
+}
+
+void SampleSorter::mouseReleaseEvent(QMouseEvent *event)
+{
+ if(event->button() == Qt::LeftButton) {
+ if(threshold_is_moving) {
+ if(threshold[cur_thr] == 0 || threshold[cur_thr] == 127) {
+ threshold.remove(cur_thr);
+ }
+ threshold_is_moving = false;
+ cur_thr = -1;
+ setCursor(Qt::ArrowCursor);
+ update();
+ return;
+ }
+ }
}