editors/scapp/include/SCSoundFileView.h

   1 /*
   2  *  SCSoundFileView.h
   3  *  xSC3lang
   4  *
   5  *  Created by falkenst on Thu Nov 18 2004.
   6  *  Copyright (c) 2004 jan truetzschler. All rights reserved.
   7
   8         SuperCollider real time audio synthesis system
   9     Copyright (c) 2002 James McCartney. All rights reserved.
  10         http://www.audiosynth.com
  11
  12     This program is free software; you can redistribute it and/or modify
  13     it under the terms of the GNU General Public License as published by
  14     the Free Software Foundation; either version 2 of the License, or
  15     (at your option) any later version.
  16
  17     This program is distributed in the hope that it will be useful,
  18     but WITHOUT ANY WARRANTY; without even the implied warranty of
  19     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20     GNU General Public License for more details.
  21
  22     You should have received a copy of the GNU General Public License
  23     along with this program; if not, write to the Free Software
  24     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  25  *
  26  */
  27
  28 //#import "DrawBackground.h"
  29 //#include "PyrObject.h"
  30 #include "SCView.h"
  31 #import "SCTextView.h"
  32 #import "SCVirtualMachine.h"
  33
  34 #ifndef NO_LIBSNDFILE
  35 #include <sndfile.h>
  36 #else
  37 #include "SC_sndfile_stub.h"
  38 #endif
  39
  40 //jan t
  41 struct SCSoundFileSelection {
  42                 bool startIsEditable;
  43                 bool sizeIsEditable;
  44                 int start;
  45                 int size;
  46                 SCColor color;
  47 };
  48 typedef struct SCSoundFileSelection SCSoundFileSelection;
  49 //struct SndMinMax {
  50 //              float min;
  51 //              float max;
  52 //};
  53 //typedef struct SndMinMax SndMinMax;
  54 struct SndMinMaxBuf {
  55                 float *min;
  56                 float *max;
  57                 int samples;
  58                 bool isUsable;
  59 };
  60 typedef struct SndMinMaxBuf SndMinMaxBuf;
  61 const int kMaxSndSelections = 64;
  62 const int kMaxSndChannels = 128;
  63 class SCSoundFileView : public SCView
  64 {
  65 public:
  66         SCSoundFileView(SCContainerView *inParent, PyrObject* inObj, SCRect inBounds);
  67         virtual ~SCSoundFileView();
  68
  69         virtual void draw(SCRect inDamage);
  70         virtual void draw0(SCRect inDamage, CGContextRef cgc);
  71         virtual void draw1(SCRect inDamage, CGContextRef cgc);
  72         virtual void draw2(SCRect inDamage, CGContextRef cgc);
  73         virtual void draw0Buf(SCRect inDamage, CGContextRef cgc);
  74         virtual void mouseTrack(SCPoint where, int modifiers,NSEvent *theEvent);
  75         //virtual int readSndFile(const char * filename, int startFrame, int frames, int resampleFactor, bool closeFile);
  76         virtual int readSndFile(SNDFILE *file, int startFrame, int frames, int resampleFactor, SF_INFO info);
  77         virtual int setProperty(PyrSymbol *symbol, PyrSlot *slot);
  78         virtual int getProperty(PyrSymbol *symbol, PyrSlot *slot);
  79         virtual void mouseBeginTrack(SCPoint where, int modifiers, NSEvent *theEvent);
  80         virtual void mouseEndTrack(SCPoint where, int modifiers, NSEvent *theEvent);
  81 //      virtual void mouseOver(SCPoint where);
  82         virtual int findSelection(int frame);
  83         virtual void setBounds(SCRect inbounds);
  84
  85         SCPoint pixelToUnits(SCPoint p, SCRect r)
  86             {
  87                 return SCMakePoint(
  88                     (p.x - r.x) * mZoom.x + mScroll.x,
  89                     (p.y - r.y) * mZoom.y + mScroll.y);
  90             }
  91         SCPoint unitsToPixel(SCPoint u, SCRect r)
  92             {
  93                 return SCMakePoint(
  94                     (u.x - mScroll.x) * mInvZoom.x + r.x,
  95                     (u.y - mScroll.y) * mInvZoom.y + r.y);
  96             }
  97
  98 protected:
  99
 100         int mBufNum;
 101         SNDFILE *mSndFile;
 102         SndMinMaxBuf mSndMinMax;
 103         SndBuf mSndBuf;
 104         SCPoint mZoom, mInvZoom, mScroll;
 105         int mStyle; // 0 = separate, 1 = overlay, 2 = x,y.
 106         SCColor mWaveColors[kMaxSndChannels];
 107         SCColor mGridColor;
 108         bool mGridOn;
 109         float mGridResolution;
 110         int mGridOffset;
 111         SCPoint mAbsolutePosition;
 112         bool mIsReadingSoundFile;
 113         int mCurrentSelection;
 114         bool mMoveSelection;
 115         int mLastFrame;
 116         SCSoundFileSelection mSelections[kMaxSndSelections];
 117         bool mDrawsWaveForm;
 118         float mResampleFactor;
 119         int mElasticMode;
 120         bool mShowTimeCursor;
 121         int mTimeCursorPosition;
 122         SCColor mTimeCursorColor;
 123         int mFramesInBounds;
 124 };
 125
 126
 127 SCView* NewSCSoundFileView(SCContainerView *inParent, PyrObject* inObj, SCRect inBounds);