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spiralsynthmodular/SpiralSound/Plugins/OscillatorPlugin/OscillatorPluginGUI.C

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  1. /*  SpiralPlugin

  2.  *  Copyleft (C) 2000 David Griffiths <dave@pawfal.org>

  3.  *

  4.  *  This program is free software; you can redistribute it and/or modify

  5.  *  it under the terms of the GNU General Public License as published by

  6.  *  the Free Software Foundation; either version 2 of the License, or

  7.  *  (at your option) any later version.

  8.  *

  9.  *  This program is distributed in the hope that it will be useful,

  10.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

  11.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  12.  *  GNU General Public License for more details.

  13.  *

  14.  *  You should have received a copy of the GNU General Public License

  15.  *  along with this program; if not, write to the Free Software

  16.  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

  17. */ 

  18. 

  19. #include "OscillatorPluginGUI.h"

  20. #include <FL/fl_draw.h>

  21. #include <FL/fl_draw.H>

  22. 

  23. static const int GUI_COLOUR = 179;

  24. static const int GUIBG_COLOUR = 144;

  25. static const int GUIBG2_COLOUR = 145;

  26. 

  27. static unsigned char *image_Square[] = {

  28. (unsigned char*)"20 20 2 1",

  29. (unsigned char*)" \tc None",

  30. (unsigned char*)".\tc #000000",

  31. (unsigned char*)"                    ",

  32. (unsigned char*)"                    ",

  33. (unsigned char*)"     ......         ",

  34. (unsigned char*)"     .    .         ",

  35. (unsigned char*)"     .    .         ",

  36. (unsigned char*)"     .    .         ",

  37. (unsigned char*)"     .    .         ",

  38. (unsigned char*)"     .    .         ",

  39. (unsigned char*)"     .    .         ",

  40. (unsigned char*)"     .    .         ",

  41. (unsigned char*)"   ...    .    ...  ",

  42. (unsigned char*)"          .    .    ",

  43. (unsigned char*)"          .    .    ",

  44. (unsigned char*)"          .    .    ",

  45. (unsigned char*)"          .    .    ",

  46. (unsigned char*)"          .    .    ",

  47. (unsigned char*)"          .    .    ",

  48. (unsigned char*)"          ......    ",

  49. (unsigned char*)"                    ",

  50. (unsigned char*)"                    "};

  51. 

  52. static unsigned char *image_Noise[] = {

  53. (unsigned char*)"20 20 2 1",

  54. (unsigned char*)" \tc None",

  55. (unsigned char*)".\tc #000000",

  56. (unsigned char*)"                    ",

  57. (unsigned char*)"                    ",

  58. (unsigned char*)"                    ",

  59. (unsigned char*)"                    ",

  60. (unsigned char*)"            .       ",

  61. (unsigned char*)"        .   .       ",

  62. (unsigned char*)"        .  . .      ",

  63. (unsigned char*)"        .  . .      ",

  64. (unsigned char*)"       . . .  .     ",

  65. (unsigned char*)"       . . .  .     ",

  66. (unsigned char*)"   ... . . .  . ..  ",

  67. (unsigned char*)"     . . . .  ..    ",

  68. (unsigned char*)"     . . . .  .     ",

  69. (unsigned char*)"     . .  .         ",

  70. (unsigned char*)"      .   .         ",

  71. (unsigned char*)"      .   .         ",

  72. (unsigned char*)"      .   .         ",

  73. (unsigned char*)"          .         ",

  74. (unsigned char*)"                    ",

  75. (unsigned char*)"                    "};

  76. 

  77. static unsigned char *image_Saw[] = {

  78. (unsigned char*)"20 20 2 1",

  79. (unsigned char*)" \tc None",

  80. (unsigned char*)".\tc #000000",

  81. (unsigned char*)"                    ",

  82. (unsigned char*)"                    ",

  83. (unsigned char*)"         ..         ",

  84. (unsigned char*)"         ..         ",

  85. (unsigned char*)"        . .         ",

  86. (unsigned char*)"        . .         ",

  87. (unsigned char*)"       .  .         ",

  88. (unsigned char*)"       .  .         ",

  89. (unsigned char*)"      .   .         ",

  90. (unsigned char*)"      .   .         ",

  91. (unsigned char*)"   ...    .   ....  ",

  92. (unsigned char*)"          .   .     ",

  93. (unsigned char*)"          .  .      ",

  94. (unsigned char*)"          .  .      ",

  95. (unsigned char*)"          . .       ",

  96. (unsigned char*)"          . .       ",

  97. (unsigned char*)"          ..        ",

  98. (unsigned char*)"          ..        ",

  99. (unsigned char*)"                    ",

  100. (unsigned char*)"                    "};

  101. 

  102. 

  103. OscillatorPluginGUI::OscillatorPluginGUI(int w, int h,OscillatorPlugin *o,ChannelHandler *ch,const HostInfo *Info) :

  104. SpiralPluginGUI(w,h,o,ch),

  105. pixmap_Square(image_Square),

  106. pixmap_Noise(image_Noise),

  107. pixmap_Saw(image_Saw),

  108. m_FineFreq(0),

  109. m_Octave(0)

  110. {	

  111.     ShapeSquare = new Fl_Check_Button(5, 15, 55, 30);

  112.     ShapeSquare->type(102);

  113.     ShapeSquare->down_box(FL_DIAMOND_DOWN_BOX);

  114.     ShapeSquare->selection_color(GUI_COLOUR);

  115.     ShapeSquare->set();

  116.     pixmap_Square.label(ShapeSquare);

  117. 	ShapeSquare->callback((Fl_Callback*)cb_Square);

  118. 	              

  119. 	ShapeNoise = new Fl_Check_Button(5, 65, 55, 30);

  120.     ShapeNoise->type(102);

  121.     ShapeNoise->down_box(FL_DIAMOND_DOWN_BOX);

  122.     ShapeNoise->selection_color(GUI_COLOUR);

  123.     pixmap_Noise.label(ShapeNoise);      

  124.     ShapeNoise->callback((Fl_Callback*)cb_Noise);

  125. 	  

  126. 	ShapeSaw = new Fl_Check_Button(5, 40, 55, 30);

  127.     ShapeSaw->type(102);

  128.     ShapeSaw->down_box(FL_DIAMOND_DOWN_BOX);

  129.     ShapeSaw->selection_color(GUI_COLOUR);

  130.     pixmap_Saw.label(ShapeSaw);      

  131.     ShapeSaw->callback((Fl_Callback*)cb_Saw);

  132. 	  	   

  133. 	Freq = new Fl_Knob(188, 2, 40, 40, "Octave");

  134.     Freq->color(GUI_COLOUR);

  135. 	Freq->type(Fl_Knob::LINELIN);

  136.     Freq->labelsize(10);

  137.     Freq->maximum(6);

  138.     Freq->step(1);

  139.     Freq->value(3);   

  140. 	Freq->scaleticks(6);

  141. 	Freq->cursor(50);

  142. 	Freq->callback((Fl_Callback*)cb_Freq);

  143. 	  

  144.     FineTune = new Fl_Knob(112, 22, 65, 65, "Fine Tune");

  145.     FineTune->color(GUI_COLOUR);

  146. 	FineTune->type(Fl_Knob::LINELIN);

  147.     FineTune->labelsize(10);

  148.     FineTune->scaleticks(20);

  149.     FineTune->maximum(1.414);

  150.     FineTune->step(0.000001);

  151.     FineTune->value(1);  

  152. 	FineTune->callback((Fl_Callback*)cb_FineTune);

  153.       

  154. 	ModAmount = new Fl_Knob(188, 54, 40, 40, "Mod Depth");

  155.     ModAmount->color(GUI_COLOUR);

  156. 	ModAmount->type(Fl_Knob::LINELIN);

  157. 	ModAmount->labelsize(10);

  158.     ModAmount->maximum(2.0f);

  159.     ModAmount->step(0.001);

  160.     ModAmount->value(1.0);

  161.     ModAmount->callback((Fl_Callback*)cb_ModAmount);

  162.              

  163. 	PulseWidth = new Fl_Slider(60, 20, 20, 70, "PW");

  164. 	PulseWidth->type(4);

  165. 	PulseWidth->selection_color(GUI_COLOUR);

  166.     PulseWidth->labelsize(10);

  167. 	PulseWidth->maximum(1);

  168.     PulseWidth->step(0.01);

  169.     PulseWidth->value(0.5);

  170.     PulseWidth->callback((Fl_Callback*)cb_PulseWidth);

  171. 	  

  172. 	SHLen = new Fl_Slider(80, 20, 20, 70, "SH");

  173. 	SHLen->type(4);

  174. 	SHLen->selection_color(GUI_COLOUR);

  175.     SHLen->labelsize(10);

  176. 	SHLen->maximum(0.2);

  177.     SHLen->step(0.001);

  178.     SHLen->value(0.1);

  179.     SHLen->callback((Fl_Callback*)cb_SHLen);

  180. 	

  181. 	m_pop = new Fl_Button(1,h-14, 13, 13, "@>");

  182.     m_pop->type(1);

  183.     m_pop->box(FL_FLAT_BOX);

  184.     m_pop->down_box(FL_FLAT_BOX);

  185.     m_pop->labeltype(FL_SYMBOL_LABEL);

  186.     m_pop->labelsize(10);

  187.     m_pop->labelcolor(25);

  188.     m_pop->callback((Fl_Callback*)cb_pop);

  189. 	

  190. 	m_out_freq = new Fl_Output(65,h+5, 58, 15, "Frequency");

  191.     m_out_freq->box(FL_ENGRAVED_BOX);

  192.     m_out_freq->color(16);

  193.     m_out_freq->labelsize(10);

  194.     m_out_freq->textsize(10);

  195. 	m_out_freq->hide();

  196. 	m_out_freq->set_output();

  197. 	

  198. 	m_out_mod = new Fl_Output(65,h+22, 48, 15, "Modulation");

  199.     m_out_mod->box(FL_ENGRAVED_BOX);

  200.     m_out_mod->color(16);

  201.     m_out_mod->labelsize(10);

  202.     m_out_mod->textsize(10);	

  203. 	m_out_mod->hide();

  204. 	m_out_mod->set_output();

  205. 	

  206. 	m_out_pulseW = new Fl_Output(190,h+5, 48, 15, "Pulse width");

  207.     m_out_pulseW->box(FL_ENGRAVED_BOX);

  208.     m_out_pulseW->color(16);

  209.     m_out_pulseW->labelsize(10);

  210.     m_out_pulseW->textsize(10);

  211. 	m_out_pulseW->hide();

  212. 	m_out_pulseW->set_output();

  213. 	

  214. 	m_out_SHlen = new Fl_Output(190,h+22, 48, 15, "Sampling");

  215.     m_out_SHlen->box(FL_ENGRAVED_BOX);

  216.     m_out_SHlen->color(16);

  217.     m_out_SHlen->labelsize(10);

  218.     m_out_SHlen->textsize(10);	  	   

  219. 	m_out_SHlen->hide();

  220. 	m_out_SHlen->set_output();

  221. 	

  222. 	end();

  223. }

  224. 

  225. extern "C" int sprintf(char *,const char *,...);	

  226. 

  227. void OscillatorPluginGUI::UpdateValues(SpiralPlugin *o)

  228. {

  229. 	OscillatorPlugin *Plugin = (OscillatorPlugin*)o;

  230. 

  231. 	ShapeSquare->value(0);

  232. 	ShapeNoise->value(0);

  233. 	ShapeSaw->value(0);

  234. 

  235. 	switch (Plugin->GetType())

  236. 	{

  237. 		case OscillatorPlugin::SQUARE : ShapeSquare->value(1); break;

  238. 		case OscillatorPlugin::NOISE  : ShapeNoise->value(1); break;

  239. 		case OscillatorPlugin::SAW    : ShapeSaw->value(1); break;

  240. 		case OscillatorPlugin::NONE   : break;

  241. 	}

  242. 

  243. 	Freq->value(Plugin->GetOctave()+3);

  244. 	ModAmount->value(Plugin->GetModAmount());

  245. 	FineTune->value(sqrt(Plugin->GetFineFreq()));

  246. 	PulseWidth->value(Plugin->GetPulseWidth());

  247. 	

  248. 	SHLen->value(0.2f-Plugin->GetSHLen());

  249. 	

  250. 	char str[10];

  251. 	float fr = 110.0f * Plugin->GetFineFreq();

  252. 	m_FineFreq=Plugin->GetFineFreq();

  253. 	int oc = Plugin->GetOctave();

  254. 	m_Octave = oc;

  255. 	if (oc > 0) fr *= 1 << oc;

  256. 	if (oc < 0) fr /= 1 << (-oc);

  257.   	sprintf(str,"%4.1f Hz", fr);

  258.   	m_out_freq->value(str); 

  259. 	sprintf(str,"%4.0f %%", 100*Plugin->GetPulseWidth());

  260. 	m_out_pulseW->value(str); 

  261. 	sprintf(str,"%4.0f %%", 100*Plugin->GetModAmount());

  262. 	m_out_mod->value(str);

  263. 	sprintf(str,"%4.3f s", Plugin->GetSHLen());

  264. 	m_out_SHlen->value(str);

  265. }

  266. 	

  267. 

  268. //// Callbacks ////

  269. 

  270. inline void OscillatorPluginGUI::cb_Freq_i(Fl_Knob* o, void* v) 

  271. {

  272. char str[10]; 

  273.  	m_GUICH->Set("Octave",(int)o->value()-3);

  274. 	m_Octave = (int)o->value()-3;

  275. 	float fr = 110.0f * m_FineFreq;

  276. 	int oc = m_Octave;

  277. 	if (oc > 0) fr *= 1 << oc;

  278. 	if (oc < 0) fr /= 1 << (-oc);

  279.   	sprintf(str,"%4.1f Hz", fr);

  280.     m_out_freq->value(str); 

  281. }

  282.   

  283. void OscillatorPluginGUI::cb_Freq(Fl_Knob* o, void* v) 

  284. { ((OscillatorPluginGUI*)(o->parent()))->cb_Freq_i(o,v); }

  285. 

  286. inline void OscillatorPluginGUI::cb_FineTune_i(Fl_Knob* o, void* v) 

  287. {

  288. 	char str[10]; 

  289.  	m_GUICH->Set("FineFreq",(float)(o->value()*o->value()));

  290. 	m_FineFreq=(float)(o->value()*o->value());

  291. 	float fr = 110.0f * m_FineFreq;

  292. 	int oc = m_Octave;

  293. 	if (oc > 0) fr *= 1 << oc;

  294. 	if (oc < 0) fr /= 1 << (-oc);

  295.   	sprintf(str,"%4.1f Hz", fr);

  296. 	m_out_freq->value(str);

  297. }

  298.   

  299. void OscillatorPluginGUI::cb_FineTune(Fl_Knob* o, void* v) 

  300. { ((OscillatorPluginGUI*)(o->parent()))->cb_FineTune_i(o,v); }

  301. 

  302. inline void OscillatorPluginGUI::cb_PulseWidth_i(Fl_Slider* o, void* v) 

  303. {

  304. 	char str[10]; 

  305. 	m_GUICH->Set("PulseWidth",(float)o->value());

  306. 	sprintf(str,"%4.0f %%",(float)(100*o->value()));

  307. 	m_out_pulseW->value(str); 

  308. }

  309. 

  310. void OscillatorPluginGUI::cb_PulseWidth(Fl_Slider* o, void* v) 

  311. { ((OscillatorPluginGUI*)(o->parent()))->cb_PulseWidth_i(o,v);}

  312. 

  313. inline void OscillatorPluginGUI::cb_Square_i(Fl_Check_Button* o, void* v)

  314. { m_GUICH->Set("Type",(char)OscillatorPlugin::SQUARE); }

  315. void OscillatorPluginGUI::cb_Square(Fl_Check_Button* o, void* v)

  316. { ((OscillatorPluginGUI*)(o->parent()))->cb_Square_i(o,v); }

  317. 

  318. inline void OscillatorPluginGUI::cb_Saw_i(Fl_Check_Button* o, void* v)

  319. { m_GUICH->Set("Type",(char)OscillatorPlugin::SAW); }

  320. void OscillatorPluginGUI::cb_Saw(Fl_Check_Button* o, void* v)

  321. { ((OscillatorPluginGUI*)(o->parent()))->cb_Saw_i(o,v); }

  322. 

  323. inline void OscillatorPluginGUI::cb_Noise_i(Fl_Check_Button* o, void* v)

  324. { m_GUICH->Set("Type",(char)OscillatorPlugin::NOISE); }

  325. void OscillatorPluginGUI::cb_Noise(Fl_Check_Button* o, void* v)

  326. { ((OscillatorPluginGUI*)(o->parent()))->cb_Noise_i(o,v); }

  327. 

  328. inline void OscillatorPluginGUI::cb_SHLen_i(Fl_Slider* o, void* v)

  329. {

  330. 	char str[10]; 

  331. 	m_GUICH->Set("SHLen",(float)(0.2f-o->value())); 

  332. 	sprintf(str,"%4.3f s", 0.2f-o->value());

  333. 	m_out_SHlen->value(str);

  334. }

  335. 

  336. void OscillatorPluginGUI::cb_SHLen(Fl_Slider* o, void* v)

  337. { ((OscillatorPluginGUI*)(o->parent()))->cb_SHLen_i(o,v); }

  338. 

  339. inline void OscillatorPluginGUI::cb_ModAmount_i(Fl_Knob* o, void* v)

  340. {

  341. 	char str[10];

  342. 	m_GUICH->Set("ModAmount",(float)o->value());

  343. 	sprintf(str,"%4.0f %%", 100*o->value());

  344. 	m_out_mod->value(str); 

  345. }

  346. 

  347. void OscillatorPluginGUI::cb_ModAmount(Fl_Knob* o, void* v)

  348. { ((OscillatorPluginGUI*)(o->parent()))->cb_ModAmount_i(o,v); }

  349. 

  350. inline void OscillatorPluginGUI::cb_pop_i(Fl_Button *o, void*) {

  351.   if (o->value())

  352.   	{

  353.   		o->label("@2>");

  354. 		m_out_freq->show();

  355. 		m_out_mod->show();

  356. 		m_out_SHlen->show();

  357. 		m_out_pulseW->show();

  358. 		redraw();

  359. 	}

  360. 	else 

  361. 	{

  362. 		o->label("@>");

  363. 		m_out_freq->hide();

  364. 		m_out_mod->hide();

  365. 		m_out_SHlen->hide();

  366. 		m_out_pulseW->hide();

  367. 		redraw();

  368. 		parent()->redraw();

  369. 	}

  370. }

  371. void OscillatorPluginGUI::cb_pop(Fl_Button* o, void* v) {

  372.   ((OscillatorPluginGUI*)(o->parent()))->cb_pop_i(o,v);

  373. }

  374. 

  375. const string OscillatorPluginGUI::GetHelpText(const string &loc){

  376.     return string("") 

  377. 	+ "The Oscillator generates raw waveforms from CV controls. Three wave \n"

  378. 	+ "shapes are included, Square wave, Triangle wave and white noise.\n\n"

  379. 	+ "In the square and triangle shapes, the Frequency CV controls the pitch \n"

  380. 	+ "of the signal generated, and the pulsewidth turns the squarewave into \n"

  381. 	+ "a pulse wave of varying harmonics, and the triangle wave into a sawtooth,\n" 

  382. 	+ "or reverse sawtooth wave.\n\n"

  383. 	+ "The sample & hold CV changes the time between samples with the white noise.\n" 

  384. 	+ "This is usful for making the Oscillator into a random CV generator.\n\n"

  385. 	+ "The plugin window allows you to select the wave shape, set the octave and\n" 

  386. 	+ "fine tune the frequency. There are also controls to set the pulsewidth,\n" 

  387. 	+ "sample and hold manually, and control the modulation depth of the input CV's.\n\n"

  388. 	+ "The frequency can be set extremely low on this oscillator, so you can use\n" 

  389. 	+ "it as an LFO for controlling other plugins.";

  390. }