annotate view/ViewProxy.h @ 1017:9c890b7dfa83 colourschemes

Add default spectrogram colours to prefs
author Chris Cannam
date Wed, 20 Jan 2016 11:43:16 +0000
parents 4c8e7014abab
children 0be17aafa935
rev   line source
Chris@919 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@919 2
Chris@919 3 /*
Chris@919 4 Sonic Visualiser
Chris@919 5 An audio file viewer and annotation editor.
Chris@919 6 Centre for Digital Music, Queen Mary, University of London.
Chris@919 7
Chris@919 8 This program is free software; you can redistribute it and/or
Chris@919 9 modify it under the terms of the GNU General Public License as
Chris@919 10 published by the Free Software Foundation; either version 2 of the
Chris@919 11 License, or (at your option) any later version. See the file
Chris@919 12 COPYING included with this distribution for more information.
Chris@919 13 */
Chris@919 14
Chris@919 15 #ifndef VIEW_PROXY_H
Chris@919 16 #define VIEW_PROXY_H
Chris@919 17
Chris@919 18 #include "LayerGeometryProvider.h"
Chris@919 19
Chris@919 20 class ViewProxy : public LayerGeometryProvider
Chris@919 21 {
Chris@919 22 public:
Chris@919 23 ViewProxy(View *view, int scaleFactor) :
Chris@919 24 m_view(view), m_scaleFactor(scaleFactor) { }
Chris@919 25
Chris@919 26 virtual sv_frame_t getStartFrame() const {
Chris@919 27 return m_view->getStartFrame();
Chris@919 28 }
Chris@919 29 virtual sv_frame_t getCentreFrame() const {
Chris@919 30 return m_view->getCentreFrame();
Chris@919 31 }
Chris@919 32 virtual sv_frame_t getEndFrame() const {
Chris@919 33 return m_view->getEndFrame();
Chris@919 34 }
Chris@919 35 virtual int getXForFrame(sv_frame_t frame) const {
Chris@950 36 //!!! not actually correct, if frame lies between view's pixels
Chris@919 37 return m_scaleFactor * m_view->getXForFrame(frame);
Chris@919 38 }
Chris@919 39 virtual sv_frame_t getFrameForX(int x) const {
Chris@950 40 sv_frame_t f0 = m_view->getFrameForX(x / m_scaleFactor);
Chris@950 41 if (m_scaleFactor == 1) return f0;
Chris@950 42 sv_frame_t f1 = m_view->getFrameForX((x / m_scaleFactor) + 1);
Chris@950 43 return f0 + ((f1 - f0) * (x % m_scaleFactor)) / m_scaleFactor;
Chris@919 44 }
Chris@919 45 virtual sv_frame_t getModelsStartFrame() const {
Chris@919 46 return m_view->getModelsStartFrame();
Chris@919 47 }
Chris@919 48 virtual sv_frame_t getModelsEndFrame() const {
Chris@919 49 return m_view->getModelsEndFrame();
Chris@919 50 }
Chris@919 51 virtual double getYForFrequency(double frequency,
Chris@919 52 double minFreq, double maxFreq,
Chris@919 53 bool logarithmic) const {
Chris@919 54 return m_scaleFactor *
Chris@919 55 m_view->getYForFrequency(frequency, minFreq, maxFreq, logarithmic);
Chris@919 56 }
Chris@919 57 virtual double getFrequencyForY(int y, double minFreq, double maxFreq,
Chris@919 58 bool logarithmic) const {
Chris@950 59 double f0 = m_view->getFrequencyForY
Chris@950 60 (y / m_scaleFactor, minFreq, maxFreq, logarithmic);
Chris@950 61 if (m_scaleFactor == 1) return f0;
Chris@950 62 double f1 = m_view->getFrequencyForY
Chris@950 63 ((y / m_scaleFactor) + 1, minFreq, maxFreq, logarithmic);
Chris@950 64 return f0 + ((f1 - f0) * (y % m_scaleFactor)) / m_scaleFactor;
Chris@919 65 }
Chris@919 66 virtual int getTextLabelHeight(const Layer *layer, QPainter &paint) const {
Chris@919 67 return m_scaleFactor * m_view->getTextLabelHeight(layer, paint);
Chris@919 68 }
Chris@919 69 virtual bool getValueExtents(QString unit, double &min, double &max,
Chris@919 70 bool &log) const {
Chris@919 71 return m_view->getValueExtents(unit, min, max, log);
Chris@919 72 }
Chris@919 73 virtual int getZoomLevel() const {
Chris@919 74 int z = m_view->getZoomLevel();
Chris@1000 75 // cerr << "getZoomLevel: from " << z << " to ";
Chris@919 76 z = z / m_scaleFactor;
Chris@1000 77 // cerr << z << endl;
Chris@999 78 if (z < 1) z = 1;
Chris@919 79 return z;
Chris@919 80 }
Chris@919 81 virtual QRect getPaintRect() const {
Chris@919 82 QRect r = m_view->getPaintRect();
Chris@919 83 return QRect(r.x() * m_scaleFactor,
Chris@919 84 r.y() * m_scaleFactor,
Chris@919 85 r.width() * m_scaleFactor,
Chris@919 86 r.height() * m_scaleFactor);
Chris@919 87 }
Chris@954 88 virtual QSize getPaintSize() const {
Chris@954 89 return getPaintRect().size();
Chris@954 90 }
Chris@954 91 virtual int getPaintWidth() const {
Chris@954 92 return getPaintRect().width();
Chris@954 93 }
Chris@954 94 virtual int getPaintHeight() const {
Chris@954 95 return getPaintRect().height();
Chris@954 96 }
Chris@919 97 virtual bool hasLightBackground() const {
Chris@919 98 return m_view->hasLightBackground();
Chris@919 99 }
Chris@919 100 virtual QColor getForeground() const {
Chris@919 101 return m_view->getForeground();
Chris@919 102 }
Chris@919 103 virtual QColor getBackground() const {
Chris@919 104 return m_view->getBackground();
Chris@919 105 }
Chris@919 106 virtual ViewManager *getViewManager() const {
Chris@919 107 return m_view->getViewManager();
Chris@919 108 }
Chris@919 109
Chris@954 110 virtual bool shouldIlluminateLocalFeatures(const Layer *layer,
Chris@954 111 QPoint &point) const {
Chris@954 112 QPoint p;
Chris@954 113 bool should = m_view->shouldIlluminateLocalFeatures(layer, p);
Chris@954 114 point = QPoint(p.x() * m_scaleFactor, p.y() * m_scaleFactor);
Chris@954 115 return should;
Chris@919 116 }
Chris@954 117
Chris@919 118 virtual bool shouldShowFeatureLabels() const {
Chris@919 119 return m_view->shouldShowFeatureLabels();
Chris@919 120 }
Chris@919 121
Chris@919 122 virtual void drawVisibleText(QPainter &p, int x, int y,
Chris@919 123 QString text, TextStyle style) const {
Chris@919 124 m_view->drawVisibleText(p, x, y, text, style);
Chris@919 125 }
Chris@919 126
Chris@919 127 virtual void drawMeasurementRect(QPainter &p, const Layer *layer,
Chris@919 128 QRect rect, bool focus) const {
Chris@919 129 m_view->drawMeasurementRect(p, layer, rect, focus);
Chris@919 130 }
Chris@919 131
Chris@919 132 virtual View *getView() { return m_view; }
Chris@919 133 virtual const View *getView() const { return m_view; }
Chris@919 134
Chris@919 135 private:
Chris@919 136 View *m_view;
Chris@919 137 int m_scaleFactor;
Chris@919 138 };
Chris@919 139
Chris@919 140 #endif