Scale context view backdrops.

ChangeLog

@@ -7,6 +7,7 @@
 4. Optionally save scaled covers (used in artist and albums views) to disk.
 5. Add option to always collapse context into single pane.
 6. Option to have small sidebar at top or bottom.
+7. Scale context view backdrops.
 
 1.2.2
 -----

context/contextwidget.cpp

@@ -45,7 +45,9 @@
 #include <QFile>
 #include <QWheelEvent>
 #include <QApplication>
+#ifndef SCALE_CONTEXT_BGND
 #include <QDesktopWidget>
+#endif
 #include <QComboBox>
 #include <QStackedWidget>
 #include <QAction>
@@ -185,6 +187,7 @@ ContextWidget::ContextWidget(QWidget *parent)
     , darkBackground(false)
 //    , useHtBackdrops(0!=constHtbApiKey.latin1())
     , useFanArt(0!=constFanArtApiKey.latin1())
+    , albumCoverBackdrop(false)
     , fadeValue(0)
     , isWide(false)
     , stack(0)
@@ -212,6 +215,8 @@ ContextWidget::ContextWidget(QWidget *parent)
     setZoom();
     setWide(true);
     splitterColor=palette().text().color();
+
+    #ifndef SCALE_CONTEXT_BGND
     QDesktopWidget *dw=QApplication::desktop();
     if (dw) {
         QSize geo=dw->availableGeometry(this).size()-QSize(32, 64);
@@ -226,6 +231,7 @@ ContextWidget::ContextWidget(QWidget *parent)
         minBackdropSize=QSize(1024, 768);
         maxBackdropSize=QSize(minBackdropSize.width()*2, minBackdropSize.height()*2);
     }
+    #endif
 }
 
 void ContextWidget::setZoom()
@@ -340,6 +346,9 @@ void ContextWidget::resizeEvent(QResizeEvent *e)
     if (isVisible()) {
         setWide(width()>minWidth && !alwaysCollapsed);
     }
+    #ifdef SCALE_CONTEXT_BGND
+    resizeBackdrop();
+    #endif
     QWidget::resizeEvent(e);
 }
 
@@ -491,19 +500,8 @@ void ContextWidget::updateImage(const QImage &img, bool created)
     if (!img.isNull()) {
         currentBackdrop=QPixmap::fromImage(setOpacity(img));
     }
-
-    if (!currentBackdrop.isNull() && !created) {
-        if (currentBackdrop.width()<minBackdropSize.width() && currentBackdrop.height()<minBackdropSize.height()) {
-            QSize size(minBackdropSize);
-            if (currentBackdrop.width()<minBackdropSize.width()/4 && currentBackdrop.height()<minBackdropSize.height()/4) {
-                size=QSize(minBackdropSize.width()/2, minBackdropSize.height()/2);
-            }
-            currentBackdrop=currentBackdrop.scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
-        } else if (maxBackdropSize.width()>1024 && maxBackdropSize.height()>768 &&
-                   (currentBackdrop.width()>maxBackdropSize.width() || currentBackdrop.height()>maxBackdropSize.height())) {
-            currentBackdrop=currentBackdrop.scaled(maxBackdropSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
-        }
-    }
+    albumCoverBackdrop=created;
+    resizeBackdrop();
 
     fadeValue=0.0;
     animator.setDuration(250);
@@ -1013,6 +1011,29 @@ void ContextWidget::createBackdrop()
     }
 }
 
+void ContextWidget::resizeBackdrop()
+{
+    #ifdef SCALE_CONTEXT_BGND
+    if (!currentBackdrop.isNull() && !albumCoverBackdrop && currentBackdrop.width()!=width()) {
+        QSize sz(width(), width()*currentBackdrop.height()/currentBackdrop.width());
+        currentBackdrop=currentBackdrop.scaled(sz, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+    }
+    #else
+    if (!currentBackdrop.isNull() && !albumCoverBackdrop) {
+        if (currentBackdrop.width()<minBackdropSize.width() && currentBackdrop.height()<minBackdropSize.height()) {
+            QSize size(minBackdropSize);
+            if (currentBackdrop.width()<minBackdropSize.width()/4 && currentBackdrop.height()<minBackdropSize.height()/4) {
+                size=QSize(minBackdropSize.width()/2, minBackdropSize.height()/2);
+            }
+            currentBackdrop=currentBackdrop.scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        } else if (maxBackdropSize.width()>1024 && maxBackdropSize.height()>768 &&
+                   (currentBackdrop.width()>maxBackdropSize.width() || currentBackdrop.height()>maxBackdropSize.height())) {
+            currentBackdrop=currentBackdrop.scaled(maxBackdropSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        }
+    }
+    #endif
+}
+
 void ContextWidget::backdropCreated(const QString &artist, const QImage &img)
 {
     DBUG << artist << img.isNull() << currentArtist;

context/contextwidget.h

@@ -31,6 +31,10 @@
 #include <QSplitter>
 #include "song.h"
 
+#ifndef SCALE_CONTEXT_BGND
+#define SCALE_CONTEXT_BGND
+#endif
+
 class ArtistView;
 class AlbumView;
 class SongView;
@@ -104,6 +108,7 @@ private:
     void getMusicbrainzId(const QString &artist);
     void getDiscoGsImage();
     void createBackdrop();
+    void resizeBackdrop();
     NetworkJob * getReply(QObject *obj);
 
 private:
@@ -113,6 +118,7 @@ private:
     bool darkBackground;
 //    bool useHtBackdrops;
     bool useFanArt;
+    bool albumCoverBackdrop;
     Song currentSong;
     QPixmap oldBackdrop;
     QPixmap currentBackdrop;
@@ -132,8 +138,10 @@ private:
     BackdropCreator *creator;
 //    QString backdropText;
     QSet<QString> backdropAlbums;
+    #ifndef SCALE_CONTEXT_BGND
     QSize minBackdropSize;
     QSize maxBackdropSize;
+    #endif
     QList<QString> artistsCreatedBackdropsFor;
 };