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119 lines
2.5 KiB
C++
119 lines
2.5 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include "EditorDefs.h"
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#include "PredefinedAspectRatios.h"
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// Editor
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#include "Settings.h"
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CPredefinedAspectRatios::CPredefinedAspectRatios()
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{
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m_aspectRatios.reserve(10);
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AddAspectRatio(5, 4);
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AddAspectRatio(4, 3);
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AddAspectRatio(3, 2);
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AddAspectRatio(16, 10);
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AddAspectRatio(16, 9);
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AddAspectRatio(1.85f, 1);
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AddAspectRatio(2.39f, 1);
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}
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CPredefinedAspectRatios::~CPredefinedAspectRatios()
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{
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}
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void CPredefinedAspectRatios::AddAspectRatio(float x, int y)
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{
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if (y == 0)
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{
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return;
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}
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SAspectRatio aspectRatio;
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aspectRatio.name = QStringLiteral("%1:%2").arg(x, 0, 'f', 2).arg(y);
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aspectRatio.value = x / y;
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m_aspectRatios.push_back(aspectRatio);
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}
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void CPredefinedAspectRatios::AddAspectRatio(int x, int y)
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{
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if (y == 0)
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{
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return;
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}
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SAspectRatio aspectRatio;
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aspectRatio.name = QStringLiteral("%1:%2").arg(x).arg(y);
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aspectRatio.value = float( x ) / y;
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m_aspectRatios.push_back(aspectRatio);
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}
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float CPredefinedAspectRatios::GetCurrentValue() const
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{
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return gSettings.viewports.fDefaultAspectRatio;
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}
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bool CPredefinedAspectRatios::IsEmpty() const
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{
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return m_aspectRatios.empty();
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}
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size_t CPredefinedAspectRatios::GetCount() const
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{
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return m_aspectRatios.size();
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}
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const QString& CPredefinedAspectRatios::GetName(size_t aspectRatioId) const
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{
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bool validAspectRatioId = (aspectRatioId < GetCount());
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assert(validAspectRatioId);
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if (!validAspectRatioId)
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{
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static QString dummyAspectRatioName("1:1");
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return dummyAspectRatioName;
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}
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const SAspectRatio& aspectRatio = m_aspectRatios[ aspectRatioId ];
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return aspectRatio.name;
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}
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float CPredefinedAspectRatios::GetValue(size_t aspectRatioId) const
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{
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bool validAspectRatioId = (aspectRatioId < GetCount());
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assert(validAspectRatioId);
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if (!validAspectRatioId)
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{
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return 1;
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}
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const SAspectRatio& aspectRatio = m_aspectRatios[ aspectRatioId ];
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return aspectRatio.value;
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}
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bool CPredefinedAspectRatios::IsCurrent(size_t aspectRatioId) const
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{
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float selectedValue = GetValue(aspectRatioId);
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float currentValue = GetCurrentValue();
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const float THRESHOLD = 0.01f;
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bool valuesCloseEnough = (fabs(selectedValue - currentValue) <= THRESHOLD);
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return valuesCloseEnough;
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}
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