High-dpi SVG and QQuickImageProvider Images

Scale sourceSize by the target devicePixelRatio before
passing it to the providers.

Task-number: QTBUG-38127
Task-number: QTBUG-38991
Change-Id: I1746e0859b4e63eb0d28d1a1c8aac610b68a9eb9
Reviewed-by: Jocelyn Turcotte <jturcotte@woboq.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com>

1 files changed, 73 insertions, 0 deletions

diff --git a/tests/manual/highdpi/svg.qml b/tests/manual/highdpi/svg.qml
new file mode 100644
index 0000000000..ed2444d4da
--- /dev/null
+++ b/tests/manual/highdpi/svg.qml
@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Rectangle {
+    width: 400
+    height: 400
+
+    Row {
+        Column {
+            // should render a sharp image on retina displays: (sourceSize is in device-independent pixels)
+            Image {
+                sourceSize.width: 100
+                sourceSize.height: 100
+                source : "heart.svg"
+            }
+
+            // should render a sharp image on retina displays: if sourceSize is omitted
+            // the svg viewBox size will be used; in this case 550x500
+            Image {
+                width : 100
+                height : 100
+                source : "heart.svg"
+            }
+        }
+
+        // should render a sharp image on retina displays: (sourceSize is in device-independent pixels)
+        Image {
+            sourceSize.width: 700
+            sourceSize.height: 700
+            source : "heart.svg"
+        }
+
+        // should NOT render a sharp image on retina displays: if sourceSize is omitted
+        // the svg viewBox size will be used; in this case 550x500
+        Image {
+            width : 700
+            height : 700
+            source : "heart.svg"
+        }
+    }
+}