From 2075038de1d3a181eb964020c635099ebf52b4ed Mon Sep 17 00:00:00 2001
From: "Robert C. Helling" <helling@atdotde.de>
Date: Mon, 9 Nov 2015 16:48:12 +0100
Subject: Store Thumbnails with image hashes

This drastically improves the time it takes to select a dive
with several pictures at the expense of longer startup and
bigger hash files.

Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 subsurface-core/qthelper.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'subsurface-core')

diff --git a/subsurface-core/qthelper.cpp b/subsurface-core/qthelper.cpp
index 40c507a7e..63248f6c4 100644
--- a/subsurface-core/qthelper.cpp
+++ b/subsurface-core/qthelper.cpp
@@ -1129,6 +1129,7 @@ extern "C" void reverseGeoLookup(degrees_t latitude, degrees_t longitude, uint32
 QHash<QString, QByteArray> hashOf;
 QMutex hashOfMutex;
 QHash<QByteArray, QString> localFilenameOf;
+QHash <QString, QImage > thumbnailCache;
 
 extern "C" char * hashstring(char * filename)
 {
@@ -1152,6 +1153,7 @@ void read_hashes()
 		QDataStream stream(&hashfile);
 		stream >> localFilenameOf;
 		stream >> hashOf;
+		stream >> thumbnailCache;
 		hashfile.close();
 	}
 }
@@ -1163,6 +1165,7 @@ void write_hashes()
 		QDataStream stream(&hashfile);
 		stream << localFilenameOf;
 		stream << hashOf;
+		stream << thumbnailCache;
 		hashfile.commit();
 	} else {
 		qDebug() << "cannot open" << hashfile.fileName();
-- 
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