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<div class="refentry" title="FLsavesnap">
<a id="FLsavesnap"></a>
<div class="titlepage"></div>
<a id="IndexFLsavesnap" class="indexterm"></a>
<div class="refnamediv">
<h2>
<span class="refentrytitle">FLsavesnap</span>
</h2>
<p>FLsavesnap —
Saves all snapshots currently created into a file.
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp21684896"></a>
<h2>Description</h2>
<p>
<span class="emphasis"><em>FLsavesnap</em></span> saves all snapshots currently created (i.e. the entire memory bank) into a file.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp21685792"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>FLsavesnap</strong></span> "filename" [, igroup]</pre>
</div>
<div class="refsect1" title="Initialization">
<a id="idp21705424"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em><span class="quote">“<span class="quote">filename</span>”</span></em></span> -- a double-quoted string corresponding to a file to store a bank of snapshots.
</p>
<p>
<span class="emphasis"><em>igroup</em></span> -- (optional) an integer number referring to a snapshot-related group of widget. It allows to get/set, or to load/save the state of a subset of valuators. Default value is zero that refers to the first group. The group number is determined by the opcode <a class="link" href="FLsetSnapGroup.html" title="FLsetSnapGroup"><em class="citetitle">FLsetSnapGroup</em></a>.
</p>
<div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;">
<table border="0" summary="Note">
<tr>
<td rowspan="2" align="center" valign="top" width="25">
<img alt="[Note]" src="images/note.png" />
</td>
<th align="left">Note</th>
</tr>
<tr>
<td align="left" valign="top">
<p>
The <span class="emphasis"><em>igroup</em></span> parameter has not been yet fully implemented in the current version of csound. Please do not rely on it yet.
</p>
</td>
</tr>
</table>
</div>
</div>
<div class="refsect1" title="Performance">
<a id="idp21728600"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>FLsavesnap</em></span> saves all snapshots currently created (i.e. the entire memory bank) into a file whose name is <span class="emphasis"><em>filename</em></span>. Since the file is a text file, snapshot values can also be edited manually by means of a text editor. The format of the data stored in the file is the following (at present time, this could be changed in next Csound version):
</p>
<div class="informalexample">
<pre class="programlisting">
----------- 0 -----------
FLvalue 0 0 1 0 ""
FLvalue 0 0 1 0 ""
FLvalue 0 0 1 0 ""
FLslider 331.946 80 5000 -1 "frequency of the first oscillator"
FLslider 385.923 80 5000 -1 "frequency of the second oscillator"
FLslider 80 80 5000 -1 "frequency of the third oscillator"
FLcount 0 0 10 0 "this index must point to the location number where snapshot is stored"
FLbutton 0 0 1 0 "Store snapshot to current index"
FLbutton 0 0 1 0 "Save snapshot bank to disk"
FLbutton 0 0 1 0 "Load snapshot bank from disk"
FLbox 0 0 1 0 ""
----------- 1 -----------
FLvalue 0 0 1 0 ""
FLvalue 0 0 1 0 ""
FLvalue 0 0 1 0 ""
FLslider 819.72 80 5000 -1 "frequency of the first oscillator"
FLslider 385.923 80 5000 -1 "frequency of the second oscillator"
FLslider 80 80 5000 -1 "frequency of the third oscillator"
FLcount 1 0 10 0 "this index must point to the location number where snapshot is stored"
FLbutton 0 0 1 0 "Store snapshot to current index"
FLbutton 0 0 1 0 "Save snapshot bank to disk"
FLbutton 0 0 1 0 "Load snapshot bank from disk"
FLbox 0 0 1 0 ""
----------- 2 -----------
..... etc...
----------- 3 -----------
..... etc...
---------------------------
</pre>
</div>
<p>
</p>
<p>
As you can see, each snapshot contain several lines. Each snapshot is separated from previous and next snapshot by a line of this kind:
</p>
<div class="literallayout">
<p><br />
"----------- snapshot Num -----------"<br />
</p>
</div>
<p>
Then there are several lines containing data. Each of these lines corresponds to a widget.
</p>
<p>
The first field of each line is an unquoted string containing opcode name corresponding to that widget. Second field is a number that expresses current value of a snapshot. In current version, this is the only field that can be modified manually. The third and fourth fields shows minimum and maximum values allowed for that valuator. The fifth field is a special number that indicates if the valuator is linear (value 0), exponential (value -1), or is indexed by a table interpolating values (negative table numbers) or non-interpolating (positive table numbers). The last field is a quoted string with the label of the widget. Last line of the file is always
</p>
<div class="literallayout">
<p><br />
"---------------------------"<br />
</p>
</div>
<p>.
</p>
<p>
Note that <a class="link" href="FLvalue.html" title="FLvalue"><em class="citetitle">FLvalue</em></a> and<a class="link" href="FLbox.html" title="FLbox"><em class="citetitle">FLbox</em></a> are not valuators and their values are fixed, so they cannot be modified.
</p>
<p>
For purposes of snapshot saving, widgets can be grouped, so that snapshots affect only a defined group of widgets. The opcode <a class="link" href="FLsetSnapGroup.html" title="FLsetSnapGroup"><em class="citetitle">FLsetSnapGroup</em></a> is used to specify the group for all widgets declared after it, until the next <a class="link" href="FLsetSnapGroup.html" title="FLsetSnapGroup"><em class="citetitle">FLsetSnapGroup</em></a> statement.
</p>
</div>
<div class="refsect1" title="Examples">
<a id="idp21737392"></a>
<h2>Examples</h2>
<p>
Here is a simple example of the FLTK snapshot saving. It uses the file <a class="ulink" href="examples/FLsavesnap_simple.csd" target="_top"><em class="citetitle">FLsavesnap_simple.csd</em></a>.
</p>
<div class="example">
<a id="idp21738408"></a>
<p class="title">
<strong>Example 253. Example of FLTK snapshot saving.</strong>
</p>
<div class="example-contents">
<p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
<pre class="programlisting">
<span class="csdtag"><CsoundSynthesizer></span>
<span class="csdtag"><CsOptions></span>
<span class="comment">; Select audio/midi flags here according to platform</span>
<span class="comment">; Audio out Audio in</span>
-odac -iadc <span class="comment">;;;RT audio I/O</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="ohdr">sr</span><span class="op">=</span>48000
<span class="ohdr">ksmps</span><span class="op">=</span>128
<span class="ohdr">nchnls</span><span class="op">=</span>2
<span class="comment">; Example by Hector Centeno and Andres Cabrera 2007</span>
<span class="comment">; giSWMtab4 ftgen 0, 0, 513, 21, 10, 1, .3</span>
<span class="comment">; giSWMtab4M ftgen 0, 0, 64, 7, 1, 50, 1</span>
<span class="opc">FLpanel</span> "Snapshots", 530, 190, 40, 410, 3
<span class="opc">FLcolor</span> 100, 118 ,140
ivalSM1 <span class="opc">FLvalue</span> "", 70, 20, 270, 20
gksliderA, gislidSM1 <span class="opc">FLslider</span> "Slider", <span class="op">-</span>4, 4, 0, 3, ivalSM1, 250, 20, 20, 20
itext1 <span class="opc">FLbox</span> "store", 1, 1, 14, 50, 25, 355, 15
itext2 <span class="opc">FLbox</span> "load", 1, 1, 14, 50, 25, 415, 15
gksnap, ibuttn1 <span class="opc">FLbutton</span> "1", 1, 0, 11, 25, 25, 364, 45, 0, 3, 0, 3, 1
gksnap, ibuttn2 <span class="opc">FLbutton</span> "2", 1, 0, 11, 25, 25, 364, 75, 0, 3, 0, 3, 2
gksnap, ibuttn3 <span class="opc">FLbutton</span> "3", 1, 0, 11, 25, 25, 364, 105, 0, 3, 0, 3, 3
gksnap, ibuttn4 <span class="opc">FLbutton</span> "4", 1, 0, 11, 25, 25, 364, 135, 0, 3, 0, 3, 4
gkload, ibuttn1 <span class="opc">FLbutton</span> "1", 1, 0, 11, 25, 25, 424, 45, 0, 4, 0, 3, 1
gkload, ibuttn2 <span class="opc">FLbutton</span> "2", 1, 0, 11, 25, 25, 424, 75, 0, 4, 0, 3, 2
gkload, ibuttn3 <span class="opc">FLbutton</span> "3", 1, 0, 11, 25, 25, 424, 105, 0, 4, 0, 3, 3
gkload, ibuttn4 <span class="opc">FLbutton</span> "4", 1, 0, 11, 25, 25, 424, 135, 0, 4, 0, 3, 4
ivalSM2 <span class="opc">FLvalue</span> "", 70, 20, 270, 80
gkknobA, gislidSM2 <span class="opc">FLknob</span> "Knob", <span class="op">-</span>4, 4, 0, 3, ivalSM2, 60, 120, 60
<span class="opc">FLpanelEnd</span>
<span class="opc">FLsetVal_i</span> 1, gislidSM1
<span class="opc">FLsetVal_i</span> 1, gislidSM2
<span class="opc">FLrun</span>
<span class="oblock">instr</span> 1
<span class="oblock">endin</span>
<span class="oblock">instr</span> 3 <span class="comment">; Save snapshot</span>
index <span class="opc">init</span> 0
ipstno <span class="op">=</span> p4
Sfile <span class="opc">sprintf</span> "snapshot_simple.<span class="op">%</span>d.snap", ipstno
inumsnap, inumval <span class="opc">FLsetsnap</span> index <span class="comment">;, -1, igroup</span>
<span class="opc">FLsavesnap</span> Sfile
<span class="oblock">endin</span>
<span class="oblock">instr</span> 4 <span class="comment">;Load snapshot</span>
index <span class="opc">init</span> 0
ipstno <span class="op">=</span> p4
Sfile <span class="opc">sprintf</span> "snapshot_simple.<span class="op">%</span>d.snap", ipstno
<span class="opc">FLloadsnap</span> Sfile
inumload <span class="opc">FLgetsnap</span> index <span class="comment">;, igroup</span>
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">f</span> 0 3600
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
</div>
</div>
<p><br class="example-break" />
</p>
<p>
Here is another example of FLTK snapshot saving using snapshot groups. It uses the file <a class="ulink" href="examples/FLsavesnap.csd" target="_top"><em class="citetitle">FLsavesnap.csd</em></a>.
</p>
<div class="example">
<a id="idp21741272"></a>
<p class="title">
<strong>Example 254. Example of FLTK snapshot saving using snapshot groups.</strong>
</p>
<div class="example-contents">
<p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
<pre class="programlisting">
<span class="csdtag"><CsoundSynthesizer></span>
<span class="csdtag"><CsOptions></span>
<span class="comment">; Select audio/midi flags here according to platform</span>
<span class="comment">; Audio out Audio in</span>
-odac -iadc <span class="comment">;;;RT audio I/O</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="ohdr">sr</span><span class="op">=</span>48000
<span class="ohdr">ksmps</span><span class="op">=</span>128
<span class="ohdr">nchnls</span><span class="op">=</span>2
<span class="comment">; Example by Hector Centeno and Andres Cabrera 2007</span>
<span class="comment">; giSWMtab4 ftgen 0, 0, 513, 21, 10, 1, .3</span>
<span class="comment">; giSWMtab4M ftgen 0, 0, 64, 7, 1, 50, 1</span>
<span class="opc">FLpanel</span> "Snapshots", 530, 350, 40, 410, 3
<span class="opc">FLcolor</span> 100, 118 ,140
<span class="opc">FLsetSnapGroup</span> 0
ivalSM1 <span class="opc">FLvalue</span> "", 70, 20, 270, 20
ivalSM2 <span class="opc">FLvalue</span> "", 70, 20, 270, 60
ivalSM3 <span class="opc">FLvalue</span> "", 70, 20, 270, 100
ivalSM4 <span class="opc">FLvalue</span> "", 70, 20, 270, 140
gksliderA, gislidSM1 <span class="opc">FLslider</span> "Slider A", <span class="op">-</span>4, 4, 0, 3, ivalSM1, 250, 20, 20, 20
gksliderB, gislidSM2 <span class="opc">FLslider</span> "Slider B", 1, 10, 0, 3, ivalSM2, 250, 20, 20, 60
gksliderC, gislidSM3 <span class="opc">FLslider</span> "Slider C", 0, 1, 0, 3, ivalSM3, 250, 20, 20, 100
gksliderD, gislidSM4 <span class="opc">FLslider</span> "Slider D", 0, 1, 0, 3, ivalSM4, 250, 20, 20, 140
itext1 <span class="opc">FLbox</span> "store", 1, 1, 14, 50, 25, 355, 15
itext2 <span class="opc">FLbox</span> "load", 1, 1, 14, 50, 25, 415, 15
itext3 <span class="opc">FLbox</span> "Group 1", 1, 1, 14, 30, 145, 485, 15
gksnap, ibuttn1 <span class="opc">FLbutton</span> "1", 1, 0, 11, 25, 25, 364, 45, 0, 3, 0, 3, 1
gksnap, ibuttn2 <span class="opc">FLbutton</span> "2", 1, 0, 11, 25, 25, 364, 75, 0, 3, 0, 3, 2
gksnap, ibuttn3 <span class="opc">FLbutton</span> "3", 1, 0, 11, 25, 25, 364, 105, 0, 3, 0, 3, 3
gksnap, ibuttn4 <span class="opc">FLbutton</span> "4", 1, 0, 11, 25, 25, 364, 135, 0, 3, 0, 3, 4
gkload, ibuttn1 <span class="opc">FLbutton</span> "1", 1, 0, 11, 25, 25, 424, 45, 0, 4, 0, 3, 1
gkload, ibuttn2 <span class="opc">FLbutton</span> "2", 1, 0, 11, 25, 25, 424, 75, 0, 4, 0, 3, 2
gkload, ibuttn3 <span class="opc">FLbutton</span> "3", 1, 0, 11, 25, 25, 424, 105, 0, 4, 0, 3, 3
gkload, ibuttn4 <span class="opc">FLbutton</span> "4", 1, 0, 11, 25, 25, 424, 135, 0, 4, 0, 3, 4
<span class="opc">FLcolor</span> 100, 140 ,118
<span class="opc">FLsetSnapGroup</span> 1
ivalSM5 <span class="opc">FLvalue</span> "", 70, 20, 270, 190
ivalSM6 <span class="opc">FLvalue</span> "", 70, 20, 270, 230
ivalSM7 <span class="opc">FLvalue</span> "", 70, 20, 270, 270
ivalSM8 <span class="opc">FLvalue</span> "", 70, 20, 270, 310
gkknobA, gislidSM5 <span class="opc">FLknob</span> "Knob A", <span class="op">-</span>4, 4, 0, 3, ivalSM5, 45, 10, 230
gkknobB, gislidSM6 <span class="opc">FLknob</span> "Knob B", 1, 10, 0, 3, ivalSM6, 45, 75, 230
gkknobC, gislidSM7 <span class="opc">FLknob</span> "Knob C", 0, 1, 0, 3, ivalSM7, 45, 140, 230
gkknobD, gislidSM8 <span class="opc">FLknob</span> "Knob D", 0, 1, 0, 3, ivalSM8, 45, 205, 230
itext4 <span class="opc">FLbox</span> "store", 1, 1, 14, 50, 25, 355, 185
itext5 <span class="opc">FLbox</span> "load", 1, 1, 14, 50, 25, 415, 185
itext6 <span class="opc">FLbox</span> "Group 2", 1, 1, 14, 30, 145, 485, 185
gksnap, ibuttn1 <span class="opc">FLbutton</span> "5", 1, 0, 11, 25, 25, 364, 215, 0, 3, 0, 3, 5
gksnap, ibuttn2 <span class="opc">FLbutton</span> "6", 1, 0, 11, 25, 25, 364, 245, 0, 3, 0, 3, 6
gksnap, ibuttn3 <span class="opc">FLbutton</span> "7", 1, 0, 11, 25, 25, 364, 275, 0, 3, 0, 3, 7
gksnap, ibuttn4 <span class="opc">FLbutton</span> "8", 1, 0, 11, 25, 25, 364, 305, 0, 3, 0, 3, 8
gkload, ibuttn1 <span class="opc">FLbutton</span> "5", 1, 0, 11, 25, 25, 424, 215, 0, 4, 0, 3, 5
gkload, ibuttn2 <span class="opc">FLbutton</span> "6", 1, 0, 11, 25, 25, 424, 245, 0, 4, 0, 3, 6
gkload, ibuttn3 <span class="opc">FLbutton</span> "7", 1, 0, 11, 25, 25, 424, 275, 0, 4, 0, 3, 7
gkload, ibuttn4 <span class="opc">FLbutton</span> "8", 1, 0, 11, 25, 25, 424, 305, 0, 4, 0, 3, 8
<span class="opc">FLpanelEnd</span>
<span class="opc">FLsetVal_i</span> 1, gislidSM1
<span class="opc">FLsetVal_i</span> 1, gislidSM2
<span class="opc">FLsetVal_i</span> 0, gislidSM3
<span class="opc">FLsetVal_i</span> 0, gislidSM4
<span class="opc">FLsetVal_i</span> 1, gislidSM5
<span class="opc">FLsetVal_i</span> 1, gislidSM6
<span class="opc">FLsetVal_i</span> 0, gislidSM7
<span class="opc">FLsetVal_i</span> 0, gislidSM8
<span class="opc">FLrun</span>
<span class="oblock">instr</span> 1
<span class="oblock">endin</span>
<span class="oblock">instr</span> 3 <span class="comment">; Save snapshot</span>
index <span class="opc">init</span> 0
ipstno <span class="op">=</span> p4
igroup <span class="op">=</span> 0
Sfile <span class="opc">sprintf</span> "PVCsynth.<span class="op">%</span>d.snap", ipstno
<span class="octrl">if</span> ipstno <span class="op">></span> 4 then
igroup <span class="op">=</span> 1
<span class="octrl">endif</span>
inumsnap, inumval <span class="opc">FLsetsnap</span> index , <span class="op">-</span>1, igroup
<span class="opc">FLsavesnap</span> Sfile
<span class="oblock">endin</span>
<span class="oblock">instr</span> 4 <span class="comment">;Load snapshot</span>
index <span class="opc">init</span> 0
ipstno <span class="op">=</span> p4
igroup <span class="op">=</span> 0
Sfile <span class="opc">sprintf</span> "PVCsynth.<span class="op">%</span>d.snap", ipstno
<span class="octrl">if</span> ipstno <span class="op">></span> 4 then
igroup <span class="op">=</span> 1
<span class="octrl">endif</span>
<span class="opc">FLloadsnap</span> Sfile
inumload <span class="opc">FLgetsnap</span> index , igroup
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="comment">;Dummy table for FLgetsnap</span>
<span class="comment">; f 1 0 1024 10 1</span>
<span class="stamnt">f</span> 0 3600
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
</div>
</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1" title="See Also">
<a id="idp21743576"></a>
<h2>See Also</h2>
<p>
<a class="link" href="FLgetsnap.html" title="FLgetsnap"><em class="citetitle">FLgetsnap</em></a>,
<a class="link" href="FLloadsnap.html" title="FLloadsnap"><em class="citetitle">FLloadsnap</em></a>,
<a class="link" href="FLsetSnapGroup.html" title="FLsetSnapGroup"><em class="citetitle">FLsetSnapGroup</em></a>,
<a class="link" href="FLrun.html" title="FLrun"><em class="citetitle">FLrun</em></a>,
<a class="link" href="FLsetsnap.html" title="FLsetsnap"><em class="citetitle">FLsetsnap</em></a>,
<a class="link" href="FLupdate.html" title="FLupdate"><em class="citetitle">FLupdate</em></a>
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp21747016"></a>
<h2>Credits</h2>
<p>Author: Gabriel Maldonado</p>
<p>New in version 4.22</p>
</div>
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