# HG changeset patch
# User Chris Cannam
# Date 1426686727 0
# Node ID a5488775f880403a96687771c68489795fd5049a
# Parent  4fe7a09be0fe5f7f75393e822f0d7c931fb23a7e
Pass proxy to layer for painting

diff -r 4fe7a09be0fe -r a5488775f880 layer/SingleColourLayer.cpp
--- a/layer/SingleColourLayer.cpp	Tue Mar 17 16:56:03 2015 +0000
+++ b/layer/SingleColourLayer.cpp	Wed Mar 18 13:52:07 2015 +0000
@@ -137,7 +137,7 @@
 }
 
 void
-SingleColourLayer::setDefaultColourFor(View *v)
+SingleColourLayer::setDefaultColourFor(LayerGeometryProvider *v)
 {
 #ifdef DEBUG_COLOUR_SELECTION
     SVDEBUG << "SingleColourLayer::setDefaultColourFor: m_colourExplicitlySet = " << m_colourExplicitlySet << ", m_defaultColourSet " << m_defaultColourSet << endl;
@@ -244,19 +244,19 @@
 }
 
 QColor
-SingleColourLayer::getBackgroundQColor(View *v) const
+SingleColourLayer::getBackgroundQColor(LayerGeometryProvider *v) const
 {
     return v->getBackground();
 }
 
 QColor
-SingleColourLayer::getForegroundQColor(View *v) const
+SingleColourLayer::getForegroundQColor(LayerGeometryProvider *v) const
 {
     return v->getForeground();
 }
 
 std::vector<QColor>
-SingleColourLayer::getPartialShades(View *v) const
+SingleColourLayer::getPartialShades(LayerGeometryProvider *v) const
 {
     std::vector<QColor> s;
     QColor base = getBaseQColor();
diff -r 4fe7a09be0fe -r a5488775f880 layer/SingleColourLayer.h
--- a/layer/SingleColourLayer.h	Tue Mar 17 16:56:03 2015 +0000
+++ b/layer/SingleColourLayer.h	Wed Mar 18 13:52:07 2015 +0000
@@ -71,16 +71,16 @@
 
     virtual void setProperties(const QXmlAttributes &attributes);
 
-    virtual void setDefaultColourFor(View *v);
+    virtual void setDefaultColourFor(LayerGeometryProvider *v);
 
 protected:
     SingleColourLayer();
     virtual ~SingleColourLayer();
 
     virtual QColor getBaseQColor() const;
-    virtual QColor getBackgroundQColor(View *v) const;
-    virtual QColor getForegroundQColor(View *v) const;
-    std::vector<QColor> getPartialShades(View *v) const;
+    virtual QColor getBackgroundQColor(LayerGeometryProvider *v) const;
+    virtual QColor getForegroundQColor(LayerGeometryProvider *v) const;
+    std::vector<QColor> getPartialShades(LayerGeometryProvider *v) const;
 
     virtual void flagBaseColourChanged() { }
     virtual int getDefaultColourHint(bool /* darkBackground */,
diff -r 4fe7a09be0fe -r a5488775f880 layer/TimeRulerLayer.cpp
--- a/layer/TimeRulerLayer.cpp	Tue Mar 17 16:56:03 2015 +0000
+++ b/layer/TimeRulerLayer.cpp	Wed Mar 18 13:52:07 2015 +0000
@@ -309,7 +309,7 @@
             if (v->getViewManager() && v->getViewManager()->getOverlayMode() !=
                 ViewManager::NoOverlays) {
 
-                if (v->getLayer(0) == this) {
+                if (v->getView()->getLayer(0) == this) {
                     // backmost layer, don't worry about outlining the text
                     paint.drawText(x+2 - tw/2, y, text);
                 } else {
diff -r 4fe7a09be0fe -r a5488775f880 layer/TimeValueLayer.cpp
--- a/layer/TimeValueLayer.cpp	Tue Mar 17 16:56:03 2015 +0000
+++ b/layer/TimeValueLayer.cpp	Wed Mar 18 13:52:07 2015 +0000
@@ -1703,7 +1703,7 @@
     if (clipboardHasDifferentAlignment(v, from)) {
 
         QMessageBox::StandardButton button =
-            QMessageBox::question(v, tr("Re-align pasted items?"),
+            QMessageBox::question(v->getView(), tr("Re-align pasted items?"),
                                   tr("The items you are pasting came from a layer with different source material from this one.  Do you want to re-align them in time, to match the source material for this layer?"),
                                   QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
                                   QMessageBox::Yes);
diff -r 4fe7a09be0fe -r a5488775f880 svgui.pro
--- a/svgui.pro	Tue Mar 17 16:56:03 2015 +0000
+++ b/svgui.pro	Wed Mar 18 13:52:07 2015 +0000
@@ -93,7 +93,8 @@
            view/Pane.h \
            view/PaneStack.h \
            view/View.h \
-           view/ViewManager.h
+           view/ViewManager.h \
+           view/ViewProxy.h
 SOURCES += view/Overview.cpp \
            view/Pane.cpp \
            view/PaneStack.cpp \
diff -r 4fe7a09be0fe -r a5488775f880 view/LayerGeometryProvider.h
--- a/view/LayerGeometryProvider.h	Tue Mar 17 16:56:03 2015 +0000
+++ b/view/LayerGeometryProvider.h	Wed Mar 18 13:52:07 2015 +0000
@@ -57,6 +57,9 @@
      */
     virtual sv_frame_t getFrameForX(int x) const = 0;
 
+    virtual sv_frame_t getModelsStartFrame() const = 0;
+    virtual sv_frame_t getModelsEndFrame() const = 0;
+
     /**
      * Return the pixel y-coordinate corresponding to a given
      * frequency, if the frequency range is as specified.  This does
@@ -106,6 +109,7 @@
     virtual ViewManager *getViewManager() const = 0;
 
     virtual bool shouldIlluminateLocalFeatures(const Layer *, QPoint &) const = 0;
+    virtual bool shouldShowFeatureLabels() const = 0;
 
     enum TextStyle {
 	BoxedText,
diff -r 4fe7a09be0fe -r a5488775f880 view/View.cpp
--- a/view/View.cpp	Tue Mar 17 16:56:03 2015 +0000
+++ b/view/View.cpp	Wed Mar 18 13:52:07 2015 +0000
@@ -20,6 +20,7 @@
 #include "base/Profiler.h"
 #include "base/Pitch.h"
 #include "base/Preferences.h"
+#include "ViewProxy.h"
 
 #include "layer/TimeRulerLayer.h"
 #include "layer/SingleColourLayer.h"
@@ -58,7 +59,6 @@
     m_followPlayIsDetached(false),
     m_playPointerFrame(0),
     m_showProgress(showProgress),
-    m_paintScale(1),
     m_cache(0),
     m_cacheCentreFrame(0),
     m_cacheZoomLevel(1024),
@@ -1662,9 +1662,7 @@
 QRect
 View::getPaintRect() const
 {
-    QRect r(rect());
-    return QRect(r.x() * m_paintScale, r.y() * m_paintScale, 
-                 r.width() * m_paintScale, r.height() * m_paintScale);
+    return rect();
 }
 
 void
@@ -1840,6 +1838,8 @@
 
     // Scrollable (cacheable) items first
 
+    ViewProxy proxy(this, dpratio);
+    
     if (!paintedCacheRect) {
 
         QRect rectToPaint;
@@ -1847,11 +1847,9 @@
 	if (repaintCache) {
             paint.begin(m_cache);
             rectToPaint = scaledCacheRect;
-            m_paintScale = dpratio;
         } else {
             paint.begin(this);
             rectToPaint = cacheRect;
-            m_paintScale = 1;
         }
 
         setPaintFont(paint);
@@ -1867,7 +1865,7 @@
 	for (LayerList::iterator i = scrollables.begin(); i != scrollables.end(); ++i) {
 	    paint.setRenderHint(QPainter::Antialiasing, false);
 	    paint.save();
-            (*i)->paint(this, paint, rectToPaint);
+            (*i)->paint(&proxy, paint, rectToPaint);
 	    paint.restore();
 	}
 
@@ -1906,7 +1904,7 @@
 	
     for (LayerList::iterator i = nonScrollables.begin(); i != nonScrollables.end(); ++i) {
 //        Profiler profiler2("View::paintEvent non-cacheable");
-	(*i)->paint(this, paint, nonCacheRect);
+	(*i)->paint(&proxy, paint, nonCacheRect);
     }
 	
     paint.end();
@@ -2421,23 +2419,23 @@
 
 	for (LayerList::iterator i = m_layerStack.begin();
              i != m_layerStack.end(); ++i) {
-		if(!((*i)->isLayerDormant(this))){
-
-		    paint.setRenderHint(QPainter::Antialiasing, false);
-
-		    paint.save();
-	            paint.translate(xorigin + x, 0);
-
-	            cerr << "Centre frame now: " << m_centreFrame << " drawing to " << chunk.x() + x + xorigin << ", " << chunk.width() << endl;
-
-	            (*i)->setSynchronousPainting(true);
-
-		    (*i)->paint(this, paint, chunk);
-
-	            (*i)->setSynchronousPainting(false);
-
-		    paint.restore();
-		}
+            if (!((*i)->isLayerDormant(this))){
+
+                paint.setRenderHint(QPainter::Antialiasing, false);
+
+                paint.save();
+                paint.translate(xorigin + x, 0);
+
+                cerr << "Centre frame now: " << m_centreFrame << " drawing to " << chunk.x() + x + xorigin << ", " << chunk.width() << endl;
+
+                (*i)->setSynchronousPainting(true);
+
+                (*i)->paint(this, paint, chunk);
+
+                (*i)->setSynchronousPainting(false);
+
+                paint.restore();
+            }
 	}
     }
 
diff -r 4fe7a09be0fe -r a5488775f880 view/View.h
--- a/view/View.h	Tue Mar 17 16:56:03 2015 +0000
+++ b/view/View.h	Wed Mar 18 13:52:07 2015 +0000
@@ -427,7 +427,6 @@
     sv_frame_t          m_playPointerFrame;
     bool                m_lightBackground;
     bool                m_showProgress;
-    int                 m_paintScale;
 
     QPixmap            *m_cache;
     sv_frame_t          m_cacheCentreFrame;
diff -r 4fe7a09be0fe -r a5488775f880 view/ViewProxy.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/view/ViewProxy.h	Wed Mar 18 13:52:07 2015 +0000
@@ -0,0 +1,122 @@
+/* -*- 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 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 {
+	return m_scaleFactor * m_view->getXForFrame(frame);
+    }
+    virtual sv_frame_t getFrameForX(int x) const {
+	//!!! todo: interpolate
+	return m_view->getFrameForX(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 {
+	//!!! todo: interpolate
+	return m_view->getFrequencyForY(y / m_scaleFactor, minFreq, maxFreq, logarithmic);
+    }
+    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 {
+	//!!! aarg, what if it's already 1?
+	int z = m_view->getZoomLevel();
+	cerr << "getZoomLevel: from " << z << " to ";
+	z = z / m_scaleFactor;
+	cerr << z << endl;
+	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 {
+	return m_view->shouldIlluminateLocalFeatures(layer, point);
+    }
+    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 View *getView() { return m_view; }
+    virtual const View *getView() const { return m_view; }
+
+private:
+    View *m_view;
+    int m_scaleFactor;
+};
+
+#endif