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dexed/Source/DXComponents.cpp

478 lines
16 KiB

/**
*
* Copyright (c) 2014 Pascal Gauthier.
*
* DX7 Envelope Tables from legasynth-0.4.1 / DX7 Patch Editor
* Copyright (C) 2002 Juan Linietsky <coding@reduz.com.ar>
* Copyright (C) 2006 Mark-André Hopf <mhopf@mark13.org>
*
* 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 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "DXComponents.h"
#include "PluginProcessor.h"
#include "msfa/pitchenv.h"
/**
* Algorithm arrangements, based on the DX1 display.
*/
static const char algoArr[][13] = {
// 1 2 3 4 5 6 7 8 9 A B C D
{ 0, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 5, -6 }, // 1
{ 0, 0, 1, 3, 0, 0, 0, -2, 4, 0, 0, 5, 6 }, // 2
{ 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 3, -6, 0 }, // 3
{ 0, 0, 1, -4, 0, 0, 0, 2, -5, 0, 3, -6, 0 }, // 4
{ 0, 1, 3, 5, 0, 0, 2, 4, -6, 0, 0, 0, 0 }, // 5
{ 0, 1, 3, -5, 0, 0, 2, 4, -6, 0, 0, 0, 0 }, // 6
{ 0, 1, 3, 0, 0, 0, 2, 4, 5, 0, 0, -6, 0 }, // 7
{ 0, 1, 3, 0, 0, 0, 2, -4, 5, 0, 0, 6, 0 }, // 8
{ 0, 1, 3, 0, 0, 0, -2, 4, 5, 0, 0, 6, 0 }, // 9
{ 0, 0, 4, 1, 0, 0, 5, 6, 2, 0, 0, -3, 0 }, // 10
{ 0, 0, 4, 1, 0, 0, 5, -6, 2, 0, 0, 3, 0 }, // 11
{ 0, 0, 3, 0, 1, 0, 4, 5, 6, -2, 0, 0, 0 }, // 12
{ 0, 0, 3, 0, 1, 0, 4, 5, -6, 2, 0, 0, 0 }, // 13
// 1 2 3 4 5 6 7 8 9 A B C D
{ 0, 0, 1, 3, 0, 0, 0, 2, 4, 0, 5, -6, 0 }, // 14
{ 0, 0, 1, 3, 0, 0, 0, -2, 4, 0, 5, 6, 0 }, // 15
{ 0, 0, 1, 0, 0, 0, 2, 3, 5, 0, 4, -6, 0 }, // 16
{ 0, 0, 1, 0, 0, 0, -2, 3, 5, 0, 4, 6, 0 }, // 17
{ 0, 0, 1, 0, 0, 0, 2, -3, 4, 0, 0, 5, 6 }, // 18
{ 0, 0, 1, 4, 5, 0, 0, 2, -6, 0, 3, 0, 0 }, // 19
{ 0, 1, 2, 0, 4, 0, -3, 0, 5, 6, 0, 0, 0 }, // 20
{ 0, 1, 2, 4, 5, 0, -3, 0, 6, 0, 0, 0, 0 }, // 21
{ 0, 1, 3, 4, 5, 0, 2, 0, -6, 0, 0, 0, 0 }, // 22
{ 0, 1, 2, 4, 5, 0, 0, 3, -6, 0, 0, 0, 0 }, // 23
{ 1, 2, 3, 4, 5, 0, 0, 0, -6, 0, 0, 0, 0 }, // 24
{ 1, 2, 3, 4, 5, 0, 0, 0, -6, 0, 0, 0, 0 }, // 25
{ 0, 1, 2, 0, 4, 0, 0, 3, 5, -6, 0, 0, 0 }, // 26
// 1 2 3 4 5 6 7 8 9 A B C D
{ 0, 1, 2, 0, 4, 0, 0, -3, 5, 6, 0, 0, 0 }, // 27
{ 0, 1, 3, 6, 0, 0, 2, 4, 0, 0, -5, 0, 0 }, // 28
{ 0, 1, 2, 3, 5, 0, 0, 0, 4, -6, 0, 0, 0 }, // 29
{ 0, 1, 2, 3, 6, 0, 0, 0, 4, 0, 0, -5, 0 }, // 30
{ 1, 2, 3, 4, 5, 0, 0, 0, 0, -6, 0, 0, 0 }, // 31
{ 1, 2, 3, 4, 5, -6, 0, 0, 0, 0, 0, 0, 0 } // 32
};
static char TMP_LEVEL_PTR[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
AlgoDisplay::AlgoDisplay() {
static char tmpAlgo = 0;
algo = &tmpAlgo;
}
void AlgoDisplay::paint(Graphics &g) {
int alg;
if ( *algo <= 31 ) {
alg = *algo;
} else {
alg = 31;
}
const char *arr = algoArr[alg];
g.setColour (Colours::black.withAlpha(0.1f));
g.fillRoundedRectangle (0.0f, 0.0f, (float) getWidth(), (float) getHeight(), 1.0f);
for(int i=0;i<13;i++) {
int target = arr[i];
if ( target == 0 )
continue;
if ( i < 6 ) {
drawOp(g, i, 3, target);
continue;
}
if ( i < 10 ){
drawOp(g, (i-6)+1, 2, target);
continue;
}
if ( i < 12 ) {
drawOp(g, (i-10)+2, 1, target);
continue;
}
// last one
drawOp(g, (i-12)+3, 0, target);
}
String algoTxt;
algoTxt << (alg+1);
g.drawText(algoTxt, 5, 1, 21, 14, Justification::left, true);
}
void AlgoDisplay::drawOp(Graphics &g, int x, int y, int num) {
String txt;
txt << abs(num);
int offx = 24;
int offy = 17;
g.setColour(Colour(0xFF0FC00F));
g.fillRect(x*offx+4, y*offy+3, offx-2, offy-1);
g.setColour(Colour(0xFFFFFFFF));
g.drawText(txt, x*offx+3, y*offy+2, offx+2, offy+2, Justification::centred, true);
if ( num < 0 ) {
g.setColour(Colour(0xFFFFFFFF));
int x1 = (x*offx) + 24;
g.drawLine(x1+1, y*offy+3, x1+1, y*offy+offy+2, 3);
}
}
static float EG_rate_rise_duration[128] = {
38.00000 ,34.96000 ,31.92000 ,28.88000 ,25.84000 ,
22.80000 ,20.64000 ,18.48000 ,16.32000 ,14.16000 ,
12.00000 ,11.10000 ,10.20000 ,9.30000 ,8.40000 ,
7.50000 ,6.96000 ,6.42000 ,5.88000 ,5.34000 ,
4.80000 ,4.38000 ,3.96000 ,3.54000 ,3.12000 ,
2.70000 ,2.52000 ,2.34000 ,2.16000 ,1.98000 ,
1.80000 ,1.70000 ,1.60000 ,1.50000 ,1.40000 ,
1.30000 ,1.22962 ,1.15925 ,1.08887 ,1.01850 ,
0.94813 ,0.87775 ,0.80737 ,0.73700 ,0.69633 ,
0.65567 ,0.61500 ,0.57833 ,0.54167 ,0.50500 ,
0.47300 ,0.44100 ,0.40900 ,0.37967 ,0.35033 ,
0.32100 ,0.28083 ,0.24067 ,0.20050 ,0.16033 ,
0.12017 ,0.08000 ,0.07583 ,0.07167 ,0.06750 ,
0.06333 ,0.05917 ,0.05500 ,0.04350 ,0.03200 ,
0.02933 ,0.02667 ,0.02400 ,0.02200 ,0.02000 ,
0.01800 ,0.01667 ,0.01533 ,0.01400 ,0.01300 ,
0.01200 ,0.01100 ,0.01000 ,0.00900 ,0.00800 ,
0.00800 ,0.00800 ,0.00800 ,0.00767 ,0.00733 ,
0.00700 ,0.00633 ,0.00567 ,0.00500 ,0.00433 ,
0.00367 ,0.00300 ,0.00300 ,0.00300 ,0.00300 ,
0.00300 ,0.00300 ,0.00300 ,0.00300 ,0.00300 ,
0.00300 ,0.00300 ,0.00300 ,0.00300 ,0.00300 ,
0.00300 ,0.00300 ,0.00300 ,0.00300 ,0.00300 ,
0.00300 ,0.00300 ,0.00300 ,0.00300 ,0.00300 ,
0.00300 ,0.00300 ,0.00300 ,0.00300 ,0.00300 ,
0.00300 ,0.00300 ,0.00300
};
static float EG_rate_decay_duration[128] = {
318.00000 ,283.75000 ,249.50000 ,215.25000 ,181.00000 ,
167.80000 ,154.60001 ,141.39999 ,128.20000 ,115.00000 ,
104.60000 ,94.20000 ,83.80000 ,73.40000 ,63.00000 ,
58.34000 ,53.68000 ,49.02000 ,44.36000 ,39.70000 ,
35.76000 ,31.82000 ,27.88000 ,23.94000 ,20.00000 ,
18.24000 ,16.48000 ,14.72000 ,12.96000 ,11.20000 ,
10.36000 ,9.52000 ,8.68000 ,7.84000 ,7.00000 ,
6.83250 ,6.66500 ,6.49750 ,6.33000 ,6.16250 ,
5.99500 ,5.82750 ,5.66000 ,5.10000 ,4.54000 ,
3.98000 ,3.64833 ,3.31667 ,2.98500 ,2.65333 ,
2.32167 ,1.99000 ,1.77333 ,1.55667 ,1.34000 ,
1.22333 ,1.10667 ,0.99000 ,0.89667 ,0.80333 ,
0.71000 ,0.65000 ,0.59000 ,0.53000 ,0.47000 ,
0.41000 ,0.32333 ,0.23667 ,0.15000 ,0.12700 ,
0.10400 ,0.08100 ,0.07667 ,0.07233 ,0.06800 ,
0.06100 ,0.05400 ,0.04700 ,0.04367 ,0.04033 ,
0.03700 ,0.03300 ,0.02900 ,0.02500 ,0.02333 ,
0.02167 ,0.02000 ,0.01767 ,0.01533 ,0.01300 ,
0.01133 ,0.00967 ,0.00800 ,0.00800 ,0.00800 ,
0.00800 ,0.00800 ,0.00800 ,0.00800 ,0.00800 ,
0.00800 ,0.00800 ,0.00800 ,0.00800 ,0.00800 ,
0.00800 ,0.00800 ,0.00800 ,0.00800 ,0.00800 ,
0.00800 ,0.00800 ,0.00800 ,0.00800 ,0.00800 ,
0.00800 ,0.00800 ,0.00800 ,0.00800 ,0.00800 ,
0.00800 ,0.00800 ,0.00800 ,0.00800 ,0.00800 ,
0.00800 ,0.00800 ,0.00800
};
static float EG_rate_decay_percent[128] = {
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00501 ,0.01001 ,0.01500 ,
0.02000 ,0.02800 ,0.03600 ,0.04400 ,0.05200 ,
0.06000 ,0.06800 ,0.07600 ,0.08400 ,0.09200 ,
0.10000 ,0.10800 ,0.11600 ,0.12400 ,0.13200 ,
0.14000 ,0.15000 ,0.16000 ,0.17000 ,0.18000 ,
0.19000 ,0.20000 ,0.21000 ,0.22000 ,0.23000 ,
0.24000 ,0.25100 ,0.26200 ,0.27300 ,0.28400 ,
0.29500 ,0.30600 ,0.31700 ,0.32800 ,0.33900 ,
0.35000 ,0.36500 ,0.38000 ,0.39500 ,0.41000 ,
0.42500 ,0.44000 ,0.45500 ,0.47000 ,0.48500 ,
0.50000 ,0.52000 ,0.54000 ,0.56000 ,0.58000 ,
0.60000 ,0.62000 ,0.64000 ,0.66000 ,0.68000 ,
0.70000 ,0.73200 ,0.76400 ,0.79600 ,0.82800 ,
0.86000 ,0.89500 ,0.93000 ,0.96500 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000
};
static float EG_rate_rise_percent[128] = {
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00001 ,0.00001 ,0.00001 ,
0.00001 ,0.00001 ,0.00501 ,0.01001 ,0.01500 ,
0.02000 ,0.02800 ,0.03600 ,0.04400 ,0.05200 ,
0.06000 ,0.06800 ,0.07600 ,0.08400 ,0.09200 ,
0.10000 ,0.10800 ,0.11600 ,0.12400 ,0.13200 ,
0.14000 ,0.15000 ,0.16000 ,0.17000 ,0.18000 ,
0.19000 ,0.20000 ,0.21000 ,0.22000 ,0.23000 ,
0.24000 ,0.25100 ,0.26200 ,0.27300 ,0.28400 ,
0.29500 ,0.30600 ,0.31700 ,0.32800 ,0.33900 ,
0.35000 ,0.36500 ,0.38000 ,0.39500 ,0.41000 ,
0.42500 ,0.44000 ,0.45500 ,0.47000 ,0.48500 ,
0.50000 ,0.52000 ,0.54000 ,0.56000 ,0.58000 ,
0.60000 ,0.62000 ,0.64000 ,0.66000 ,0.68000 ,
0.70000 ,0.73200 ,0.76400 ,0.79600 ,0.82800 ,
0.86000 ,0.89500 ,0.93000 ,0.96500 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000 ,1.00000 ,1.00000 ,
1.00000 ,1.00000 ,1.00000
};
static double getDuration(int p_rate, int p_level_l, int p_level_r) {
float *duration_table=(p_level_r>p_level_l) ? EG_rate_rise_duration : EG_rate_decay_duration;
double duration=duration_table[p_rate];
float* percent_table =(p_level_r>p_level_l) ? EG_rate_rise_percent : EG_rate_decay_percent;
duration *= fabs(percent_table[p_level_r]-percent_table[p_level_l]);
return duration;
}
EnvDisplay::EnvDisplay() {
pvalues = (char *) &TMP_LEVEL_PTR;
}
void EnvDisplay::paint(Graphics &g) {
g.setColour(Colours::black.withAlpha(0.5f));
g.fillRoundedRectangle (0.0f, 0.0f, (float) getWidth(), (float) getHeight(), 1.0f);
int h = getHeight();
char *rates = pvalues;
char *levels = pvalues + 4;
double d[4];
double keyoff = 0.0;
double release = 0.0;
d[0] = getDuration(rates[0], levels[3], levels[0]);
d[1] = getDuration(rates[1], levels[0], levels[1]);
d[2] = getDuration(rates[2], levels[1], levels[2]);
double ko = 0.0;
for(int j=0; j<3; ++j)
ko += d[j];
if (ko>keyoff)
keyoff=ko;
d[3] = getDuration(rates[3], levels[2], levels[3]);
if ( d[3]>release ) {
release = d[3];
}
keyoff += 10.0;
double w = getWidth() / (keyoff + release);
g.setColour(Colour(0xF0000000));
g.fillRoundedRectangle (keyoff*w, 0.0f, (float) getWidth(), (float) getHeight(), 1.0f);
g.setColour(Colours::white);
int x, y;
Path p;
p.startNewSubPath(0, 32);
// 0
x = 0;
y = h - h / 99.0 * levels[3];
p.lineTo(x, y);
if ( vPos == 0 || vPos == 1 ) {
g.fillEllipse(x-2, y-2, 4, 4);
}
// 1
x = d[0]*w;
y = h - h / 99.0 * levels[0];
p.lineTo( x, y );
if ( vPos == 1 || vPos == 2 ) {
g.fillEllipse(x-2, y-2, 4, 4);
}
// 2
x = (d[0]+d[1])*w;
y = h - h / 99.0 * levels[1];
p.lineTo( x, y );
if ( vPos == 2 || vPos == 3 ) {
g.fillEllipse(x-2, y-2, 4, 4);
}
// 3
x = (d[0]+d[1]+d[2])*w;
y = h - h / 99.0 * levels[2];
p.lineTo( x, y );
if ( vPos == 3 || vPos == 4) {
g.fillEllipse(x-2, y-2, 4, 4);
}
// 4
x = keyoff*w;
y = h - h / 99.0 * levels[2];
p.lineTo( x, y );
if ( vPos == 4 ) {
g.fillEllipse(x-2, y-2, 4, 4);
}
// 5
p.lineTo( (d[0]+d[1]+d[2]+keyoff+d[3])*w, h - h / 99.0 * levels[3] );
p.lineTo(96,32);
p.lineTo(0, 32);
g.setColour(Colour(0xFF0FC00F).withAlpha(0.3f));
g.fillPath(p);
g.setColour(Colour(0xFFFFFFFF));
String len;
len << ((int) vPos);
g.drawText(len, 5, 1, 72, 14, Justification::left, true);
}
PitchEnvDisplay::PitchEnvDisplay() {
pvalues = (char *) &TMP_LEVEL_PTR;
vPos = 0;
}
void PitchEnvDisplay::paint(Graphics &g) {
g.setColour(Colours::black.withAlpha(0.1f));
g.fillRoundedRectangle (0.0f, 0.0f, (float) getWidth(), (float) getHeight(), 1.0f);
g.setColour(Colours::white);
char *levels = pvalues + 4;
char *rates = pvalues;
float dist[4];
float total = 0;
int old = pitchenv_tab[levels[3]] + 128;
// find the scale
for(int i=0;i<4;i++) {
int nw = pitchenv_tab[levels[i]] + 128;
dist[i] = ((float)abs(nw - old)) / pitchenv_rate[rates[i]];
total += dist[i];
old = nw;
}
if ( total < 0.00001 ) {
dist[0] = dist[1] = dist[2] = dist[3] = 1;
total = 4;
}
// TODO : this is WIP
float ratio = 96 / total;
int oldx = 0;
int oldy = 25 - (pitchenv_tab[levels[3]] + 128) / 10;
int i;
for(i=0;i<4;i++) {
int newx = dist[i] * ratio + oldx;
int newy = 25 - (pitchenv_tab[levels[i]] + 128) / 10;
g.drawLine(oldx, oldy, newx, newy, 2);
if ( vPos == i ) {
g.fillEllipse(oldx-2, oldy-2, 4, 4);
}
oldx = newx;
oldy = newy;
}
if ( vPos == i ) {
g.fillEllipse(oldx-2, oldy-2, 4, 4);
}
}
VuMeter::VuMeter() {
totalBlocks = 16;
}
void VuMeter::paint(Graphics &g) {
// taken from the drawLevelMeter ;
float width = getWidth();
float height = getHeight();
g.setColour (Colours::black);
g.fillRoundedRectangle (0.0f, 0.0f, (float) width, (float) height, 0);
const int numBlocks = roundToInt(totalBlocks * v);
const float h = (height - 6.0f) / (float) totalBlocks;
for (int i = 0; i < totalBlocks; ++i) {
if (i >= numBlocks)
g.setColour (Colours::red.withAlpha (0.2f));
else
g.setColour (Colours::red);
g.fillRoundedRectangle (3.0f, (height-4.0f) - (3.0f + i * h + h * 0.1f) , width - 6.0f, h * 0.8f, 0);
}
}
LcdDisplay::LcdDisplay() {
systemMsg << "*** DEXED FM synthesizer ***";
}
void LcdDisplay::timerCallback() {
systemMsg = "*** DEXED FM synthesizer ***";
repaint();
stopTimer();
}
void LcdDisplay::setSystemMsg(String msg) {
systemMsg = msg;
triggerAsyncUpdate();
}
void LcdDisplay::handleAsyncUpdate() {
repaint();
startTimer(5000);
}
#ifdef _WIN32
const float LCD_FONTSIZE = 13.0f;
#else
const float LCD_FONTSIZE = 15.0f;
#endif
void LcdDisplay::paint(Graphics &g) {
g.setColour(Colours::black.withAlpha(0.4f));
g.fillRoundedRectangle (0.0f, 0.0f, (float) getWidth(), (float) getHeight(), 1.0f);
g.setColour (Colours::white);
g.setFont (Font (Font::getDefaultMonospacedFontName(), LCD_FONTSIZE, Font::plain));
g.drawText (systemMsg,
7, 4, 300, 8,
Justification::centredLeft, true);
g.drawText (paramMsg,
7, 20, 300, 8,
Justification::centredLeft, true);
}