Mercurial > hg > svgui
view view/ViewProxy.h @ 1073:cb4c9fb37ddc spectrogram-minor-refactor
More renderer stubbing
author | Chris Cannam |
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date | Wed, 29 Jun 2016 11:53:00 +0100 |
parents | 4e5c1c326794 |
children | 5144d7185fb5 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. 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. See the file COPYING included with this distribution for more information. */ #ifndef VIEW_PROXY_H #define VIEW_PROXY_H #include "LayerGeometryProvider.h" class ViewProxy : public LayerGeometryProvider { public: ViewProxy(View *view, int scaleFactor) : m_view(view), m_scaleFactor(scaleFactor) { } virtual int getId() const { return m_view->getId(); } virtual sv_frame_t getStartFrame() const { return m_view->getStartFrame(); } virtual sv_frame_t getCentreFrame() const { return m_view->getCentreFrame(); } virtual sv_frame_t getEndFrame() const { return m_view->getEndFrame(); } virtual int getXForFrame(sv_frame_t frame) const { //!!! not actually correct, if frame lies between view's pixels return m_scaleFactor * m_view->getXForFrame(frame); } virtual sv_frame_t getFrameForX(int x) const { sv_frame_t f0 = m_view->getFrameForX(x / m_scaleFactor); if (m_scaleFactor == 1) return f0; sv_frame_t f1 = m_view->getFrameForX((x / m_scaleFactor) + 1); return f0 + ((f1 - f0) * (x % m_scaleFactor)) / m_scaleFactor; } virtual int getXForViewX(int viewx) const { return viewx * m_scaleFactor; } virtual int getViewXForX(int x) const { return x / m_scaleFactor; } virtual sv_frame_t getModelsStartFrame() const { return m_view->getModelsStartFrame(); } virtual sv_frame_t getModelsEndFrame() const { return m_view->getModelsEndFrame(); } virtual double getYForFrequency(double frequency, double minFreq, double maxFreq, bool logarithmic) const { return m_scaleFactor * m_view->getYForFrequency(frequency, minFreq, maxFreq, logarithmic); } virtual double getFrequencyForY(int y, double minFreq, double maxFreq, bool logarithmic) const { double f0 = m_view->getFrequencyForY (y / m_scaleFactor, minFreq, maxFreq, logarithmic); if (m_scaleFactor == 1) return f0; double f1 = m_view->getFrequencyForY ((y / m_scaleFactor) + 1, minFreq, maxFreq, logarithmic); return f0 + ((f1 - f0) * (y % m_scaleFactor)) / m_scaleFactor; } virtual int getTextLabelHeight(const Layer *layer, QPainter &paint) const { return m_scaleFactor * m_view->getTextLabelHeight(layer, paint); } virtual bool getValueExtents(QString unit, double &min, double &max, bool &log) const { return m_view->getValueExtents(unit, min, max, log); } virtual int getZoomLevel() const { int z = m_view->getZoomLevel(); // cerr << "getZoomLevel: from " << z << " to "; z = z / m_scaleFactor; // cerr << z << endl; if (z < 1) z = 1; return z; } virtual QRect getPaintRect() const { QRect r = m_view->getPaintRect(); return QRect(r.x() * m_scaleFactor, r.y() * m_scaleFactor, r.width() * m_scaleFactor, r.height() * m_scaleFactor); } virtual QSize getPaintSize() const { return getPaintRect().size(); } virtual int getPaintWidth() const { return getPaintRect().width(); } virtual int getPaintHeight() const { return getPaintRect().height(); } virtual bool hasLightBackground() const { return m_view->hasLightBackground(); } virtual QColor getForeground() const { return m_view->getForeground(); } virtual QColor getBackground() const { return m_view->getBackground(); } virtual ViewManager *getViewManager() const { return m_view->getViewManager(); } virtual bool shouldIlluminateLocalFeatures(const Layer *layer, QPoint &point) const { QPoint p; bool should = m_view->shouldIlluminateLocalFeatures(layer, p); point = QPoint(p.x() * m_scaleFactor, p.y() * m_scaleFactor); return should; } virtual bool shouldShowFeatureLabels() const { return m_view->shouldShowFeatureLabels(); } virtual void drawVisibleText(QPainter &p, int x, int y, QString text, TextStyle style) const { m_view->drawVisibleText(p, x, y, text, style); } virtual void drawMeasurementRect(QPainter &p, const Layer *layer, QRect rect, bool focus) const { m_view->drawMeasurementRect(p, layer, rect, focus); } virtual void updatePaintRect(QRect r) { m_view->update(r.x() / m_scaleFactor, r.y() / m_scaleFactor, r.width() / m_scaleFactor, r.height() / m_scaleFactor); } virtual View *getView() { return m_view; } virtual const View *getView() const { return m_view; } private: View *m_view; int m_scaleFactor; }; #endif