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| author | David Robillard <d@drobilla.net> | 2008-08-08 22:45:58 +0000 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2008-08-08 22:45:58 +0000 |
| commit | e360047054117d63fb579ec9231e9dc77c99f12a (patch) | |
| tree | 4a497365f6ecd30449e2c66c1fe77c816bd1fe4a /src/mdaSpecMeterGUI.cpp | |
| download | mda.lv2-e360047054117d63fb579ec9231e9dc77c99f12a.tar.gz mda.lv2-e360047054117d63fb579ec9231e9dc77c99f12a.tar.bz2 mda.lv2-e360047054117d63fb579ec9231e9dc77c99f12a.zip | |
Add preliminary (library side only) LV2 port of MDA (open-sourced VST plugins).
git-svn-id: http://svn.drobilla.net/lad/mda-lv2@1321 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/mdaSpecMeterGUI.cpp')
| -rw-r--r-- | src/mdaSpecMeterGUI.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/mdaSpecMeterGUI.cpp b/src/mdaSpecMeterGUI.cpp new file mode 100644 index 0000000..08bc5a3 --- /dev/null +++ b/src/mdaSpecMeterGUI.cpp @@ -0,0 +1,179 @@ +#include "mdaSpecMeterGUI.h"
+#include "mdaSpecMeter.h"
+
+#include <math.h>
+
+
+mdaSpecMeterGUI::mdaSpecMeterGUI(AudioEffect *effect) : AEffGUIEditor(effect)
+{
+ background = new CBitmap(128);
+
+ rect.left = 0;
+ rect.top = 0;
+ rect.right = (LvzInt16)background->getWidth();
+ rect.bottom = (LvzInt16)background->getHeight();
+}
+
+
+mdaSpecMeterGUI::~mdaSpecMeterGUI()
+{
+ delete background;
+}
+
+
+bool mdaSpecMeterGUI::open(void *ptr)
+{
+ AEffGUIEditor::open(ptr);
+
+ CPoint offs(0, 0);
+ CRect size(0, 0, background->getWidth(), background->getHeight());
+ frame = new CFrame(size, ptr, this);
+
+ size.offset(0, 0);
+ draw = new CDraw(size, 0.0f, background);
+ frame->addView(draw);
+
+ return true;
+}
+
+
+void mdaSpecMeterGUI::close()
+{
+ delete frame;
+ frame = 0;
+}
+
+
+void mdaSpecMeterGUI::idle()
+{
+ long xnow = ((mdaSpecMeter *)effect)->counter;
+ if(xnow != xtimer)
+ {
+ xtimer = xnow;
+
+ //if(draw) temp = draw->temp;
+ //if(label) label->setLabel(xtimer);
+
+ if(draw) //copy data from effect (this can't be the best way!)
+ {
+ draw->Lpeak = ((mdaSpecMeter *)effect)->Lpeak;
+ draw->Lmin = ((mdaSpecMeter *)effect)->Lmin;
+ draw->Lrms = ((mdaSpecMeter *)effect)->Lrms;
+ draw->Rpeak = ((mdaSpecMeter *)effect)->Rpeak;
+ draw->Rmin = ((mdaSpecMeter *)effect)->Rmin;
+ draw->Rrms = ((mdaSpecMeter *)effect)->Rrms;
+ draw->Corr = ((mdaSpecMeter *)effect)->Corr;
+ for(long i=0; i<13; i++)
+ {
+ draw->band[0][i] = ((mdaSpecMeter *)effect)->band[0][i];
+ draw->band[1][i] = ((mdaSpecMeter *)effect)->band[1][i];
+ }
+ draw->setDirty(true); //trigger redraw
+ }
+ }
+
+ AEffGUIEditor::idle();
+}
+
+
+CDraw::CDraw(CRect &size, float value, CBitmap *background) : CControl(size)
+{
+ bitmap = background;
+
+ Lpeak = Lmin = Lrms = Rpeak = Rmin = Rrms = Corr = 0.0f;
+ for(long i=0; i<16; i++) band[0][i] = band[1][i] = 0.0f;
+
+ setValue(value);
+}
+
+CDraw::~CDraw()
+{
+
+}
+
+void CDraw::draw(CDrawContext *pContext)
+{
+ long r, p;
+ CRect block;
+ CRect rect(0, 0, bitmap->getWidth(), bitmap->getHeight());
+
+ bitmap->draw(pContext, rect);
+/*
+ pContext->setFillColor(kGreenCColor);
+
+ p = x2pix(Lmin);
+ block(p - 3, 10, p - 1, 18);
+ pContext->fillRect(block);
+
+ p = x2pix(Rmin);
+ block(p - 3, 18, p - 1, 26);
+ pContext->fillRect(block);
+*/
+ pContext->setFillColor(kBlackCColor);
+
+ r = x22pix(Lrms); if(r > 454) r = 454;
+ p = x2pix(Lpeak); if(p > 454) p = 454;
+ block = CRect(r - 1, 10, p - 1, 18);
+ pContext->fillRect(block);
+ block = CRect(p - 1, 10, 478, 18);
+ if(p < 454) pContext->fillRect(block);
+
+ r = x22pix(Rrms); if(r > 454) r = 454;
+ p = x2pix(Rpeak); if(p > 454) p = 454;
+ block = CRect(r - 1, 18, p - 1, 26);
+ pContext->fillRect(block);
+ block = CRect(p - 1, 18, 478, 26);
+ if(p < 454) pContext->fillRect(block);
+
+ //block(x2pix(Rpeak), 18, 478, 26);
+ //buf->fillRect(block);
+
+ block = CRect(235, 42, 244, 134 - (long)(90 * Corr));
+ pContext->fillRect(block);
+
+ long i, x1=2, x2=256; //octave bands
+ float dB;
+ for(i=0; i<13; i++)
+ {
+ dB = band[0][i];
+ block = CRect(x1, 42, x1+18, 49 - (long)(20.0 * log(dB)));
+ pContext->fillRect(block);
+ x1 += 17;
+
+ dB = band[1][i];
+ block = CRect(x2, 42, x2+18, 49 - (long)(20.0 * log(dB)));
+ pContext->fillRect(block);
+ x2 += 17;
+ }
+}
+
+
+long CDraw::x2pix(float x)
+{
+ float dB = x;
+ long p = 478;
+
+ if(x > 0.00000005f) dB = 8.6858896f * (float)log(x); else dB = -146.0f;
+ if(dB < -20.0)
+ p = 293 + (long)(2.0f * dB);
+ else
+ p = 453 + (long)(10.0f * dB);
+
+ return p;
+}
+
+
+long CDraw::x22pix(float x) //power version for squared summed
+{
+ float dB = x;
+ long p = 478;
+
+ if(x > 0.00000005f) dB = 4.3429448f * (float)log(x); else dB = -146.0f;
+ if(dB < -20.0)
+ p = 293 + (long)(2.0f * dB);
+ else
+ if(dB < 0.0f) p = 453 + (long)(10.0f * dB);
+
+ return p;
+}
+
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