2006-09-11 02:49:56 +00:00
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//
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// VLSheetViewNotes.mm
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// Vocalese
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//
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// Created by Matthias Neeracher on 1/4/06.
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// Copyright 2006 __MyCompanyName__. All rights reserved.
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//
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#import "VLSheetView.h"
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#import "VLSheetViewNotes.h"
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#import "VLSheetViewInternal.h"
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#import "VLSoundOut.h"
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#include <algorithm>
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@implementation VLSheetView (Notes)
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static int sSemiToPitch[] = {
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53, // F
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55, 57, // A
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59, 60, // Middle C
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62, 64, // E
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65, 67, // G
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69, 71, // B
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72, 74, // D
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76, 77, // F
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79, 81, // A
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83, 84, // C
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86, 88 // E
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};
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- (void) mouseMoved:(NSEvent *)event
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{
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if ([event modifierFlags] & NSAlphaShiftKeyMask)
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return; // Keyboard mode, ignore mouse
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const VLProperties & prop = [self song]->fProperties.front();
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NSPoint loc = [event locationInWindow];
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loc = [self convertPoint:loc fromView:nil];
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2006-10-02 06:07:44 +00:00
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loc.x -= fNoteRect.origin.x;
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int measure = static_cast<int>(loc.x / fMeasureW);
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loc.x -= measure*fMeasureW;
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int group = static_cast<int>(loc.x / ((fDivPerGroup+1)*kNoteW));
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loc.x -= group*(fDivPerGroup+1)*kNoteW;
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2006-09-11 02:49:56 +00:00
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int div = static_cast<int>(roundf(loc.x / kNoteW))-1;
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2006-10-02 06:07:44 +00:00
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div = std::min(std::max(div, 0), fDivPerGroup-1);
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VLFraction at(div+group*fDivPerGroup, 4*prop.fDivisions);
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2006-09-11 02:49:56 +00:00
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2006-10-02 06:07:44 +00:00
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loc.y -= fNoteRect.origin.y;
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2006-09-11 02:49:56 +00:00
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int semi = static_cast<int>(roundf(loc.y / (0.5f*kLineH)));
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int pitch = sSemiToPitch[semi];
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[self setNoteCursorMeasure:measure at:at pitch:pitch];
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}
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- (void) addNoteAtCursor:(BOOL)isRest
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{
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2006-10-02 06:07:44 +00:00
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if (fNoteCursorMeasure > -1) {
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VLNote newNote(1, !isRest ? fNoteCursorPitch : VLNote::kNoPitch);
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2006-09-11 02:49:56 +00:00
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2006-10-02 06:07:44 +00:00
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[self song]->AddNote(newNote, fNoteCursorMeasure, fNoteCursorAt);
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2006-09-11 02:49:56 +00:00
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[self setNeedsDisplay:YES];
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VLSoundOut::Instance()->PlayNote(newNote);
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}
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}
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- (void) mouseDown:(NSEvent *)event
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{
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[self mouseMoved:event];
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[self addNoteAtCursor: ([event modifierFlags] & NSShiftKeyMask) != 0];
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}
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- (void) mouseEntered:(NSEvent *)event
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{
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[[self window] setAcceptsMouseMovedEvents:YES];
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[self mouseMoved:event];
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}
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- (void) mouseExited:(NSEvent *)event
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{
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[[self window] setAcceptsMouseMovedEvents:NO];
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if (!([event modifierFlags] & NSAlphaShiftKeyMask))
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[self hideNoteCursor];
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}
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- (void) startKeyboardCursor
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{
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2006-10-02 06:07:44 +00:00
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if (fNoteCursorMeasure < 0) {
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fNoteCursorMeasure = 0;
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fNoteCursorPitch = VLNote::kMiddleC;
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fNoteCursorAt = VLFraction(0);
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2006-09-11 02:49:56 +00:00
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}
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}
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- (void) keyDown:(NSEvent *)event
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{
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NSString * k = [event charactersIgnoringModifiers];
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switch ([k characterAtIndex:0]) {
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case '\r':
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[self startKeyboardCursor];
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[self addNoteAtCursor];
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break;
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case ' ':
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[self startKeyboardCursor];
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2006-10-02 06:07:44 +00:00
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VLSoundOut::Instance()->PlayNote(VLNote(1, fNoteCursorPitch));
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2006-09-11 02:49:56 +00:00
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break;
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}
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}
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- (void) hideNoteCursor
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{
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2006-10-02 06:07:44 +00:00
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fNoteCursorMeasure = -1;
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2006-09-11 02:49:56 +00:00
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[self setNeedsDisplay:YES];
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}
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- (void) drawNoteCursor
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{
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NSPoint note =
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2006-10-02 06:07:44 +00:00
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NSMakePoint([self noteXInMeasure:fNoteCursorMeasure at:fNoteCursorAt],
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[self noteYWithPitch:fNoteCursorPitch]);
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2006-09-11 02:49:56 +00:00
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NSRect noteCursorRect =
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NSMakeRect(note.x-kNoteX, note.y-kNoteY, 2.0f*kNoteX, 2.0f*kNoteY);
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[[self musicElement:kMusicNoteCursor]
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compositeToPoint:NSMakePoint(note.x-kNoteX, note.y-kNoteY)
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operation: NSCompositeSourceOver];
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}
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- (void) drawNote:(VLFraction)dur at:(NSPoint)p tied:(BOOL)tied
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{
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NSPoint s = p;
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NSPoint c = p;
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p.x -= kNoteX;
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p.y -= kNoteY;
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s.x += kNoteX+kStemX;
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s.y += kStemY;
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//
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// Draw note head
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//
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NSImage * head;
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switch (dur.fDenom) {
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case 1:
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head = [self musicElement:kMusicWholeNote];
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break;
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case 2:
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head = [self musicElement:kMusicHalfNote];
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s.x -= 1.0f;
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break;
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default:
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head = [self musicElement:kMusicNote];
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s.x -= 2.0f;
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break;
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}
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[head compositeToPoint:p
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operation: NSCompositePlusDarker];
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//
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// Draw stem
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//
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//
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//
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if (dur.fDenom > 1) {
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NSBezierPath * bz = [NSBezierPath bezierPath];
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NSPoint s1 = NSMakePoint(s.x, s.y+kStemH);
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NSImage * flag = nil;
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switch (dur.fDenom) {
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case 8:
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flag = [self musicElement:kMusicEighthFlag];
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break;
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case 16:
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flag = [self musicElement:kMusicSixteenthFlag];
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s1.y += 5.0f;
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break;
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case 32:
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flag = [self musicElement:kMusicThirtysecondthFlag];
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s1.y += 13.0f;
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break;
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}
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[[NSColor blackColor] set];
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[bz setLineWidth:2.0f];
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[bz moveToPoint:s];
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[bz lineToPoint:s1];
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[bz stroke];
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if (flag)
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[flag compositeToPoint:s
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operation: NSCompositePlusDarker];
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}
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//
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// Draw tie
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//
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if (tied) {
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NSPoint mid =
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2006-10-02 06:07:44 +00:00
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NSMakePoint(0.5f*(fLastNoteCenter.x+c.x),
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0.5f*(fLastNoteCenter.y+c.y));
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2006-09-11 02:49:56 +00:00
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NSPoint dir = NSMakePoint(c.y-mid.y, c.x-mid.x);
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float n = dir.x*dir.x+dir.y*dir.y;
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float r = (kTieDepth*kTieDepth+n) / (2.0f*kTieDepth);
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float l = (r-kTieDepth) / sqrtf(n);
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mid.x += dir.x*l;
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mid.y += dir.y*l;
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2006-10-02 06:07:44 +00:00
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float a1 = atan2(fLastNoteCenter.y-mid.y, fLastNoteCenter.x-mid.x);
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2006-09-11 02:49:56 +00:00
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float a2 = atan2(c.y-mid.y, c.x-mid.x);
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NSBezierPath * bz = [NSBezierPath bezierPath];
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[bz appendBezierPathWithArcWithCenter:mid radius:r
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startAngle:a1*180.0f/M_PI endAngle:a2*180.0f/M_PI];
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[bz stroke];
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}
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2006-10-02 06:07:44 +00:00
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fLastNoteCenter = c;
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2006-09-11 02:49:56 +00:00
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}
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- (void) drawRest:(VLFraction)dur at:(NSPoint)p
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{
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//
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// Draw rest
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//
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NSImage * head = nil;
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switch (dur.fDenom) {
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case 1:
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head = [self musicElement:kMusicWholeRest];
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p.y += kWholeRestY;
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break;
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case 2:
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head = [self musicElement:kMusicHalfRest];
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p.y += kHalfRestY;
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break;
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case 4:
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head = [self musicElement:kMusicQuarterRest];
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p.x -= kNoteX;
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break;
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case 8:
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head = [self musicElement:kMusicEighthRest];
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p.x -= kNoteX;
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break;
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case 16:
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head = [self musicElement:kMusicSixteenthRest];
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p.x -= kNoteX;
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break;
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case 32:
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head = [self musicElement:kMusicThirtysecondthRest];
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p.x -= kNoteX;
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break;
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}
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[head compositeToPoint:p
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operation: NSCompositeSourceOver];
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}
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- (void) drawNotes
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{
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const VLSong * song = [self song];
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const VLProperties & prop = song->fProperties.front();
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BOOL swing= !(prop.fDivisions % 3); // In swing mode?
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VLFraction swung(3, prop.fDivisions*8, true); // Which notes to swing
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VLFraction swingGrid(2*swung); // Alignment of swing notes
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2006-10-02 06:07:44 +00:00
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for (int system = 0; system<fNumSystems; ++system) {
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2006-10-02 05:29:37 +00:00
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float kLineY = [self systemY:system];
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2006-10-02 06:07:44 +00:00
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for (int m = 0; m<fMeasPerSystem; ++m) {
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int measIdx = m+system*fMeasPerSystem;
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2006-10-02 05:29:37 +00:00
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if (measIdx >= song->CountMeasures())
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break;
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const VLMeasure measure = song->fMeasures[measIdx];
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const VLNoteList & melody = measure.fMelody;
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VLFraction at(0);
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for (VLNoteList::const_iterator note = melody.begin();
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note != melody.end();
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++note
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) {
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VLFraction dur = note->fDuration;
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BOOL first = !m || !note->fTied;
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int pitch = note->fPitch;
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while (dur > 0) {
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VLFraction partialDur; // Actual value of note drawn
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measure.fProperties->PartialNote(at, dur, &partialDur);
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2006-09-11 02:49:56 +00:00
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2006-10-02 05:29:37 +00:00
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BOOL triplet = !(partialDur.fDenom % 3);
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VLFraction noteDur(1); // Visual value of note
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2006-09-11 02:49:56 +00:00
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2006-10-02 05:29:37 +00:00
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if (triplet) {
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if (swing) { // Swing 8ths / 16ths are written as straight 8ths
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if (partialDur == 4*swung/3 && (at % swingGrid) == 0) {
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noteDur = swung;
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triplet = NO;
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} else if (partialDur == 2*swung/3 && ((at+partialDur) % swingGrid) == 0) {
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noteDur = swung;
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triplet = NO;
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} else {
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noteDur = 4*partialDur/3;
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}
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2006-09-11 02:49:56 +00:00
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} else {
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noteDur = 4*partialDur/3;
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}
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} else {
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2006-10-02 05:29:37 +00:00
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noteDur = partialDur;
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2006-09-11 02:49:56 +00:00
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}
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2006-10-02 05:29:37 +00:00
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if (pitch != VLNote::kNoPitch)
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[self drawNote:noteDur
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at: NSMakePoint(
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[self noteXInMeasure:m at:at],
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kLineY+[self noteYWithPitch:pitch])
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tied:!first];
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else
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[self drawRest:noteDur
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at: NSMakePoint(
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[self noteXInMeasure:m at:at],
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kLineY+[self noteYWithPitch:65])];
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dur -= partialDur;
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at += partialDur;
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first = NO;
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2006-09-11 02:49:56 +00:00
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}
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}
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}
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}
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2006-10-02 06:07:44 +00:00
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if (fNoteCursorMeasure > -1)
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2006-09-11 02:49:56 +00:00
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[self drawNoteCursor];
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}
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- (void) setNoteCursorMeasure:(int)measure at:(VLFraction)at pitch:(int)pitch
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{
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2006-10-02 06:07:44 +00:00
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if (measure != fNoteCursorMeasure || at != fNoteCursorAt
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|| pitch != fNoteCursorPitch
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2006-09-11 02:49:56 +00:00
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) {
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2006-10-02 06:07:44 +00:00
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fNoteCursorMeasure = measure;
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fNoteCursorAt = at;
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fNoteCursorPitch = pitch;
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2006-09-11 02:49:56 +00:00
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[self setNeedsDisplay:YES];
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}
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}
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@end
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