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-rw-r--r--tests/system/auto/imagecompare.cpp88
1 files changed, 0 insertions, 88 deletions
diff --git a/tests/system/auto/imagecompare.cpp b/tests/system/auto/imagecompare.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Graphical Effects module.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** 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 The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "imagecompare.h"
-
-ImageCompare::ImageCompare(QObject *parent) : QObject(parent){
-}
-
-bool ImageCompare::ComparePixels(QImage actual, QImage expected, int tolerance, QString filename){
-
- bool result = true;
- bool compareAlpha, compareRed, compareGreen, compareBlue;
- int diffPixelCount = 0;
- QImage diffImage(300, 300, QImage::Format_ARGB32);
- diffImage.fill(Qt::white);
-
- for(int y = 0; y < 300; y++){
- for(int x = 0; x < 300; x++){
-
- // Pixel difference is set initially to false.
- bool diff = false;
-
- // Gets the color of the pixel in the given position.
- QRgb pixelActual = actual.pixel(x,y);
- QRgb pixelExpected = expected.pixel(x,y);
-
- // Compares separately the alpha, red, green and blue components of an ARGB value within the specified tolerance.
- compareAlpha = (abs(qAlpha(pixelActual) - qAlpha(pixelExpected)) <= tolerance);
- compareRed = (abs(qRed(pixelActual) - qRed(pixelExpected)) <= tolerance);
- compareGreen = (abs(qGreen(pixelActual) - qGreen(pixelExpected)) <= tolerance);
- compareBlue = (abs(qBlue(pixelActual) - qBlue(pixelExpected)) <= tolerance);
-
- // Result value holds the overall boolean status are the compared images the same or different.
- result &= (compareAlpha && compareRed && compareGreen && compareBlue);
-
- // When the compared pixels differ, diff value is set to true and the pixel position is marked to an additional image file.
- diff = !(compareAlpha && compareRed && compareGreen && compareBlue);
- if (diff == true){
- diffImage.setPixel(x, y, qRgba(255, 0, 0, 255));
- ++diffPixelCount;
- }
- }
- }
-
- if(result == false){
- qDebug() << "The percentage difference in" << filename << ":" << diffPixelCount << "/" << 300*300 << "=" << 100.0*diffPixelCount/(300*300);
- QDir wd = QDir().dirName();
- wd.mkdir("diffImages");
- diffImage.save("diffImages/" + filename);
- }
-
- return result;
-}
-
-bool ImageCompare::CompareSizes(QImage actual, QImage expected){
- bool sizesMatch = true;
- if (actual.width() == expected.width() && actual.height() == expected.height()){
- sizesMatch = true;
- }
- else sizesMatch = false;
-
- return sizesMatch;
-}