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From e796b3325d95b5ddd6162b5513c8325210f41fc5 Mon Sep 17 00:00:00 2001
From: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
Date: Wed, 26 Jan 2022 11:37:07 -0500
Subject: [PATCH] datatransferimage: improve memory usage
+ Reduce listview caching' size by 50%
+ use sourceSize to compress images and speedup loading
+ use autoTransform: true to rotate images when needed
Change-Id: Idf1babdc73f43aa6a79b89428c25c5d06856c0ef
GitLab: #649
---
diff --git a/client-qt/src/commoncomponents/DataTransferMessageDelegate.qml b/client-qt/src/commoncomponents/DataTransferMessageDelegate.qml
index d017c03..ca5913e 100644
--- a/client-qt/src/commoncomponents/DataTransferMessageDelegate.qml
+++ b/client-qt/src/commoncomponents/DataTransferMessageDelegate.qml
@@ -255,9 +255,13 @@
asynchronous: true
width: sourceComponent.width
height: sourceComponent.height
- sourceComponent: mediaInfo.isImage !== undefined ?
- imageComp : mediaInfo.isAnimatedImage !== undefined ? animatedImageComp :
- avComp
+ sourceComponent: {
+ if (mediaInfo.isImage)
+ return imageComp
+ if (mediaInfo.isAnimatedImage)
+ return animatedImageComp
+ return avComp
+ }
Component {
id: avComp
WebEngineView {
@@ -316,7 +320,7 @@
fillMode: Image.PreserveAspectCrop
mipmap: true
antialiasing: true
- autoTransform: false
+ autoTransform: true
asynchronous: true
source: "file:///" + Body
property real aspectRatio: implicitWidth / implicitHeight
@@ -361,8 +365,10 @@
fillMode: Image.PreserveAspectCrop
mipmap: true
antialiasing: true
- autoTransform: false
+ autoTransform: true
asynchronous: true
+ sourceSize.width: width
+ sourceSize.height: height
source: "file:///" + Body
property real aspectRatio: implicitWidth / implicitHeight
property real adjustedWidth: Math.min(maxSize,
diff --git a/client-qt/src/mainview/components/MessageListView.qml b/client-qt/src/mainview/components/MessageListView.qml
index 2b7c326..f65e67b 100644
--- a/client-qt/src/mainview/components/MessageListView.qml
+++ b/client-qt/src/mainview/components/MessageListView.qml
@@ -174,8 +174,8 @@
width: parent.width
// this offscreen caching is pretty huge
// displayMarginEnd may be removed
- displayMarginBeginning: 4096
- displayMarginEnd: 4096
+ displayMarginBeginning: 2048
+ displayMarginEnd: 2048
maximumFlickVelocity: 2048
verticalLayoutDirection: ListView.BottomToTop
boundsBehavior: Flickable.StopAtBounds
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