From 0cb12e9e01b8309320706fab219945f0ff159413 Mon Sep 17 00:00:00 2001 From: Gunnar Sletta Date: Mon, 28 Apr 2014 13:30:04 +0200 Subject: Say hello to QQuickItem::grabToImage(). [ChangeLog][QtQuick][Item] Added functions QQuickItem::grabToImage() and Item::grabToImage() to allow grabbing of items into system-memory images. Change-Id: I76cd73bb62f7440569c6fce63d63528559845721 Reviewed-by: Michael Brasser --- tests/auto/qmltest/itemgrabber/tst_itemgrabber.qml | 160 +++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 tests/auto/qmltest/itemgrabber/tst_itemgrabber.qml (limited to 'tests/auto/qmltest') diff --git a/tests/auto/qmltest/itemgrabber/tst_itemgrabber.qml b/tests/auto/qmltest/itemgrabber/tst_itemgrabber.qml new file mode 100644 index 0000000000..4f827bbf33 --- /dev/null +++ b/tests/auto/qmltest/itemgrabber/tst_itemgrabber.qml @@ -0,0 +1,160 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Jolla Ltd, author: +** Contact: http://www.qt-project.org/legal +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.4 +import QtTest 1.0 + +Item { + id: root; + width: 400 + height: 400 + + TestCase { + id: testCase + name: "item-grabber" + when: imageOnDisk.ready && imageOnDiskSmall.ready && imageInCache.ready && imageInCacheSmall.ready + function test_endresult() { + var image = grabImage(root); + + // imageOnDisk at (0, 0) - (100x100) + compare(imageOnDisk.width, 100); + compare(imageOnDisk.height, 100); + verify(image.pixel(0, 0) === Qt.rgba(1, 0, 0, 1)); // Use verify because compare doesn't support colors (QTBUG-34878) + verify(image.pixel(99, 99) === Qt.rgba(0, 0, 1, 1)); + + // imageOnDiskSmall at (100, 0) - 50x50 + compare(imageOnDiskSmall.width, 50); + compare(imageOnDiskSmall.height, 50); + verify(image.pixel(100, 0) === Qt.rgba(1, 0, 0, 1)); + verify(image.pixel(149, 49) === Qt.rgba(0, 0, 1, 1)); + + // imageInCache at (0, 100) - 100x100 + compare(imageInCache.width, 100); + compare(imageInCache.height, 100); + verify(image.pixel(0, 100) === Qt.rgba(1, 0, 0, 1)); + verify(image.pixel(99, 199) === Qt.rgba(0, 0, 1, 1)); + + // imageInCacheSmall at (100, 100) - 50x50 + compare(imageInCacheSmall.width, 50); + compare(imageInCacheSmall.height, 50); + verify(image.pixel(100, 100) === Qt.rgba(1, 0, 0, 1)); + verify(image.pixel(149, 149) === Qt.rgba(0, 0, 1, 1)); + + // After all that has been going on, it should only have been called that one time.. + compare(imageOnDisk.callCount, 1); + } + + onWindowShownChanged: { + box.grabToImage(imageOnDisk.handleGrab); + box.grabToImage(imageOnDiskSmall.handleGrab, Qt.size(50, 50)); + box.grabToImage(imageInCache.handleGrab); + box.grabToImage(imageInCacheSmall.handleGrab, Qt.size(50, 50)); + } + + } + + Rectangle { + id: box + width: 100 + height: 100 + color: "red"; + + visible: false + + Rectangle { + anchors.bottom: parent.bottom; + anchors.right: parent.right; + width: 10 + height: 10 + color: "blue"; + } + } + + Image { + id: imageOnDisk + x: 0 + y: 0 + property int callCount: 0; + property bool ready: false; + function handleGrab(result) { + if (!result.saveToFile("image.png")) + print("Error: Failed to save image to disk..."); + source = "image.png"; + ready = true; + ++callCount; + } + } + + Image { + id: imageOnDiskSmall + x: 100 + y: 0 + property bool ready: false; + function handleGrab(result) { + if (!result.saveToFile("image_small.png")) + print("Error: Failed to save image to disk..."); + source = "image_small.png"; + ready = true; + } + } + + Image { + id: imageInCache + x: 0 + y: 100 + property bool ready: false; + function handleGrab(result) { + source = result.url; + ready = true; + } + } + + Image { + id: imageInCacheSmall + x: 100 + y: 100 + property bool ready: false; + function handleGrab(result) { + source = result.url; + ready = true; + } + } +} -- cgit v1.2.3