new/reworked audio plugins ported from hv72 compressor/multi/reverb, glyph workaround...

[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / eqcanvas.h

diff --git a/cinelerra-5.1/cinelerra/eqcanvas.h b/cinelerra-5.1/cinelerra/eqcanvas.h
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+/*
+ * CINELERRA
+ * Copyright (C) 2008-2019 Adam Williams <broadcast at earthling dot net>
+ * 
+ * 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 2 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+
+// A canvas for drawing a spectrogram on top of a filter envelope
+
+#ifndef EQCANVAS_H
+#define EQCANVAS_H
+
+#include "compressortools.h"
+#include "guicast.h"
+#include "pluginclient.inc"
+#include "pluginaclient.h"
+
+class EQCanvas
+{
+public:
+       EQCanvas(BC_WindowBase *parent, 
+               int x, int y, int w, int h, 
+               float min_db, float max_db);
+       virtual ~EQCanvas();
+       
+       void initialize();
+       void draw_grid();
+       void update_spectrogram(CompressorFreqFrame *frame, 
+               int offset, int size, int window_size);
+       void draw_envelope(double *envelope, 
+               int samplerate, int window_size, int is_top, int flash_it);
+       
+       BC_WindowBase *parent;
+       BC_SubWindow *canvas;
+       int x, y, w, h;
+       int canvas_x, canvas_y;
+       int canvas_w, canvas_h;
+       float min_db, max_db;
+// divisions for the frequency
+       int freq_divisions;
+// divisions for the DB
+       int db_per_division;
+       float pixels_per_division;
+       int minor_divisions;
+       int total_divisions;
+};
+
+#endif // EQCANVAS_H